/* ==========================================================================
   Design System & Global Variables
   ========================================================================== */
:root {
    /* Color Palette */
    --color-bg-base: #030307;
    --color-bg-deep: #000002;
    --color-bg-card: rgba(8, 8, 18, 0.45);
    --color-bg-nav: rgba(4, 4, 8, 0.7);
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-dim: #6b7280;

    /* Theme Accents */
    --color-cyan: #0df265; /* Vibrant Green from logo */
    --color-violet: #7f00ff;
    --color-magenta: #ff007f;
    --color-amber: #ff9f00;

    --color-cyan-glow: rgba(13, 242, 101, 0.25);
    --color-violet-glow: rgba(127, 0, 255, 0.25);
    --color-magenta-glow: rgba(255, 0, 127, 0.25);
    --color-amber-glow: rgba(255, 159, 0, 0.25);

    /* Active Accent State - Dynamic */
    --theme-accent: var(--color-cyan);
    --theme-accent-glow: var(--color-cyan-glow);

    /* Layout & Transitions */
    --border-glass: 1px solid rgba(255, 255, 255, 0.08);
    --border-glass-hover: 1px solid rgba(255, 255, 255, 0.18);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Font Families */
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* ==========================================================================
   Resets & Base Settings
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    background-color: var(--color-bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    scrollbar-width: thin;
    scrollbar-color: var(--theme-accent) var(--color-bg-deep);
}

body {
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent);
}

/* ==========================================================================
   Background 3D WebGL Container
   ========================================================================== */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    background: #030307;
}

/* ==========================================================================
   Custom Cursor Glow
   ========================================================================== */
#custom-cursor {
    width: 8px;
    height: 8px;
    background-color: #fff;
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: width 0.2s, height 0.2s;
}

#custom-cursor-glow {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--theme-accent-glow) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    opacity: 0.8;
    transition: background 0.5s ease;
}

/* ==========================================================================
   App Container & Scroll Setup
   ========================================================================== */
#app-container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.scroll-section {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 8%;
    overflow: hidden;
    background: #0a0a0a;
}

/* ==========================================================================
   Typography & Base Layout elements
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.01em;
}

p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #ffffff;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 20%, var(--theme-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: background 0.5s ease;
}

.section-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 60px;
    max-width: 600px;
}

.section-header.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    color: var(--theme-accent);
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 12px;
    transition: color 0.5s ease;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    color: #ffffff;
    background: rgba(13, 242, 101, 0.06);
    border-left: 4px solid var(--theme-accent);
    padding: 12px 24px;
    border-radius: 0 12px 12px 0;
    display: inline-block;
    filter: drop-shadow(1px 1px 0px rgba(0, 0, 0, 0.9)) 
            drop-shadow(2px 2px 0px var(--theme-accent-glow)) 
            drop-shadow(4px 4px 10px rgba(0, 0, 0, 0.85));
}

.section-desc {
    font-size: 1.1rem;
    color: #ffffff;
}

/* ==========================================================================
   Glassmorphism System (glass-card & glass-nav)
   ========================================================================== */
.glass-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--border-glass);
    border-radius: 16px;
    box-shadow: var(--shadow-glass);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border: var(--border-glass-hover);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5), 0 0 15px var(--theme-accent-glow);
}

.glass-nav {
    background: var(--color-bg-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   Buttons UI
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-bg-deep);
}

.btn-primary:hover {
    background-color: var(--theme-accent);
    color: var(--color-bg-deep);
    box-shadow: 0 0 25px var(--theme-accent);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-glow {
    background: linear-gradient(135deg, var(--theme-accent) 0%, #000000 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px var(--theme-accent-glow);
    border: 1px solid rgba(13, 242, 101, 0.35);
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, var(--theme-accent) 100%);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.5s ease;
}

.btn-glow:hover {
    box-shadow: 0 0 30px var(--theme-accent);
    transform: translateY(-2px);
    border-color: var(--theme-accent);
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   Header / Navigation Bar
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 4%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo styling */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-primary);
}

.logo-image {
    height: 28px;
    width: auto;
    display: block;
    transition: var(--transition-smooth);
}

.logo:hover .logo-image {
    transform: scale(1.08);
    filter: drop-shadow(0 0 10px var(--theme-accent-glow));
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.1em;
}

/* Nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-secondary);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--theme-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ==========================================================================
   Hamburger Navigation Menu & Overlay Drawer
   ========================================================================== */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 2001;
    position: relative;
    width: 44px;
    height: 44px;
    align-items: flex-end;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: right;
}

.menu-toggle span:nth-child(2) {
    width: 20px;
}

.menu-toggle:hover span:nth-child(2) {
    width: 28px;
}

/* Transform hamburger to X when drawer is active */
.menu-toggle.menu-open span:nth-child(1) {
    transform: translateY(8px) rotate(-45deg);
    background-color: var(--theme-accent);
    width: 28px;
}

.menu-toggle.menu-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.menu-open span:nth-child(3) {
    transform: translateY(-8px) rotate(45deg);
    background-color: var(--theme-accent);
    width: 28px;
}

/* Screen Backdrop Overlay */
.menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 1999;
}

.menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* Slide-out Menu Overlay Panel */
.menu-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    height: 100vh;
    background: rgba(4, 4, 8, 0.8);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-left: var(--border-glass);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2000;
    overflow-y: auto;
    padding: 100px 40px 60px 40px;
    display: flex;
    flex-direction: column;
}

.menu-overlay::-webkit-scrollbar {
    display: none;
}

.menu-overlay.active {
    transform: translateX(0);
}

.menu-overlay-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.overlay-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
    margin-bottom: 50px;
}

.overlay-nav-link {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    text-align: left;
    display: inline-block;
}

.overlay-nav-link:hover, .overlay-nav-link.active {
    color: var(--theme-accent);
    transform: translateX(8px);
    text-shadow: 0 0 10px var(--theme-accent-glow);
}

/* Services Dropdown in Overlay */
.overlay-dropdown {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
}

.overlay-dropdown-toggle {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
    width: 100%;
}

.overlay-dropdown-toggle:hover {
    color: var(--theme-accent);
    transform: translateX(8px);
}

.overlay-dropdown-toggle i {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.overlay-dropdown.open .overlay-dropdown-toggle i {
    transform: rotate(180deg);
}

.overlay-dropdown-menu {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0 4px 20px;
    width: 100%;
}

.overlay-dropdown.open .overlay-dropdown-menu {
    display: flex;
}

.overlay-dropdown-item {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    text-align: left;
}

.overlay-dropdown-item:hover {
    color: var(--theme-accent);
    padding-left: 6px;
}

/* Overlay Footer */
.menu-overlay-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 30px;
    margin-top: auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.overlay-coordinates {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.overlay-coord-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.overlay-coord-item i {
    width: 15px;
    height: 15px;
    color: var(--theme-accent);
}

.overlay-coord-item a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.overlay-coord-item a:hover {
    color: var(--theme-accent);
}

.overlay-socials {
    display: flex;
    gap: 15px;
}

.overlay-socials a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    border: var(--border-glass);
    border-radius: 50%;
    color: var(--color-text-primary);
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.02);
}

.overlay-socials a:hover {
    border-color: var(--theme-accent);
    color: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent-glow);
    transform: translateY(-2px);
}

@media (max-width: 600px) {
    .menu-overlay {
        width: 100%;
        padding: 90px 30px 40px 30px;
    }
    
    .overlay-nav-link, .overlay-dropdown-toggle {
        font-size: 1.4rem;
    }
}

/* ==========================================================================
   Hero Section — Cinematic Intro
   ========================================================================== */

@keyframes heroCtaFade {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroScrollBounce {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50%       { transform: translateY(8px); opacity: 1; }
}

@keyframes heroScanline {
    0%   { top: -4px; opacity: 0; }
    5%   { opacity: 1; }
    95%  { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes heroPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7); }
    50%       { box-shadow: 0 0 0 8px rgba(0, 255, 136, 0); }
}

/* --- Hero shell --- */
/* --- Hero video background --- */
#hero-video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;          /* sits below canvas (z:1) and stage (z:2) */
    overflow: hidden;
    background: #000;    /* fallback if video doesn't load */
}

#hero-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    pointer-events: none;
    display: block;
}

#hero-video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);  /* 75% dark overlay — video subtle, text sharp */
    z-index: 1;
}

/* Pause video on mobile to save battery / data */
@media (max-width: 768px) {
    #hero-bg-video {
        /* still renders if it loads, but hidden behind overlay */
        opacity: 0.7;
    }
}

/* --- Hero shell --- */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #000;
    overflow: hidden;
    text-align: center;
}

/* --- Ambient particle canvas --- */
#hero-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    display: block;
}

/* --- Periodic scanline sweep --- */
#hero-scanline {
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0,255,136,0.08) 10%,
        rgba(0,255,136,0.55) 50%,
        rgba(0,255,136,0.08) 90%,
        transparent 100%
    );
    box-shadow: 0 0 18px rgba(0,255,136,0.4), 0 0 6px rgba(0,255,136,0.6);
    z-index: 3;
    pointer-events: none;
    top: -4px;
    opacity: 0;
}
#hero-scanline.sweeping {
    animation: heroScanline 2.4s cubic-bezier(0.4, 0, 0.6, 1) forwards;
}

/* --- Cinematic stage (title + sub + cta) --- */
#hero-stage {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    width: 100%;
}

/* --- Title canvas (laser-scan "MBB 3D") --- */
#hero-title-canvas {
    display: block;
    max-width: 90vw;
    pointer-events: none;
}

/* --- Sub-title letter spans --- */
#hero-sub {
    font-family: var(--font-heading);
    font-size: clamp(0.72rem, 1.6vw, 1.25rem);
    font-weight: 600;
    letter-spacing: 0.22em;
    color: #00ff88;
    text-shadow: 0 0 14px rgba(0,255,136,0.45);
    margin-top: 18px;
    margin-bottom: 52px;
    min-height: 2em;
    display: flex;
    gap: 0.02em;
    justify-content: center;
    flex-wrap: wrap;
}

#hero-sub .hl {
    opacity: 0;
    display: inline-block;
    transition: opacity 0.12s ease, text-shadow 0.3s ease;
}
#hero-sub .hl.space { width: 0.45em; }
#hero-sub .hl.visible {
    opacity: 1;
    text-shadow: 0 0 18px rgba(0,255,136,0.7);
}

/* --- CTA button --- */
#hero-cta {
    display: inline-block;
    padding: 15px 42px;
    background: transparent;
    color: #00ff88;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1.5px solid #00ff88;
    border-radius: 3px;
    box-shadow: 0 0 20px rgba(0,255,136,0.2), inset 0 0 20px rgba(0,255,136,0.04);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1),
                transform 0.9s cubic-bezier(0.16,1,0.3,1),
                background 0.3s ease,
                box-shadow 0.3s ease,
                color 0.3s ease;
}
#hero-cta.visible {
    opacity: 1;
    transform: translateY(0);
}
#hero-cta:hover {
    background: rgba(0,255,136,0.1);
    box-shadow: 0 0 36px rgba(0,255,136,0.45), inset 0 0 20px rgba(0,255,136,0.08);
}

/* --- Scroll indicator --- */
#hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.8s ease;
    color: rgba(255,255,255,0.45);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
#hero-scroll.visible { opacity: 1; }

#hero-scroll-arrow {
    width: 18px;
    height: 18px;
    border-right: 1.5px solid rgba(0,255,136,0.6);
    border-bottom: 1.5px solid rgba(0,255,136,0.6);
    transform: rotate(45deg);
    animation: heroScrollBounce 1.6s ease-in-out infinite;
}

/* ==========================================================================
   Spatial Scan Separator
   ========================================================================== */

@keyframes ssDotPulse {
    0%, 100% { opacity: 0.15; transform: scale(1);   box-shadow: 0 0 3px  2px rgba(0,255,136,0.2); }
    50%       { opacity: 1;    transform: scale(1.8); box-shadow: 0 0 10px 4px rgba(0,255,136,0.6); }
}

@keyframes ssScanline {
    0%   { top: -2px;   opacity: 0; }
    3%   { opacity: 1; }
    97%  { opacity: 1; }
    100% { top: 100%;   opacity: 0; }
}

@keyframes ssLabelPulse {
    0%, 100% { opacity: 0.15; }
    45%, 55% { opacity: 0.7;  }
}

#spatial-scan {
    position: relative;
    width: 100%;
    height: 300px;
    background: #080808;
    overflow: hidden;
    z-index: 1;
}

/* Grid lines via repeating gradients */
.ss-grid {
    position: absolute;
    inset: 0;
    background-image:
        /* vertical lines */
        repeating-linear-gradient(
            90deg,
            rgba(0,255,136,0.10) 0px,
            rgba(0,255,136,0.10) 1px,
            transparent 1px,
            transparent 40px
        ),
        /* horizontal lines */
        repeating-linear-gradient(
            0deg,
            rgba(0,255,136,0.10) 0px,
            rgba(0,255,136,0.10) 1px,
            transparent 1px,
            transparent 40px
        );
    background-size: 40px 40px;
}

/* Glowing intersection dots */
.ss-dots {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ss-dot {
    position: absolute;
    left: var(--x);
    top:  var(--y);
    width:  4px;
    height: 4px;
    border-radius: 50%;
    background: #00ff88;
    transform: translate(-50%, -50%);
    animation: ssDotPulse var(--dur) ease-in-out var(--del) infinite;
}

/* Scanline sweep */
.ss-scanline {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0,255,136,0.08) 10%,
        rgba(0,255,136,0.5)  50%,
        rgba(0,255,136,0.08) 90%,
        transparent 100%
    );
    box-shadow: 0 0 12px 3px rgba(0,255,136,0.3);
    animation: ssScanline 4s linear infinite;
    pointer-events: none;
}

/* Center label */
.ss-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #00ff88;
    white-space: nowrap;
    animation: ssLabelPulse 3s ease-in-out infinite;
    pointer-events: none;
}

/* ==========================================================================
   Featured Digital Twin Section
   ========================================================================== */

@keyframes fdtFadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fdtPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,136,0.7); }
    50%       { box-shadow: 0 0 0 7px rgba(0,255,136,0); }
}

@keyframes fdtSpinner {
    to { transform: rotate(360deg); }
}

.fdt-section {
    background: #0d0d0d;
    padding: 100px 8%;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* fade-up reveal on scroll */
.fdt-section .fdt-inner {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1), transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.fdt-section.fdt-visible .fdt-inner {
    opacity: 1;
    transform: translateY(0);
}

.fdt-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 56px;
    align-items: start;
}

/* ── LEFT COLUMN ── */
.fdt-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fdt-viewport-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #00ff88;
}

.fdt-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    flex-shrink: 0;
    animation: fdtPulse 2s ease-in-out infinite;
}

.fdt-iframe-wrap {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 12px !important;
    overflow: hidden;
    border: 1px solid rgba(0,255,136,0.18) !important;
    box-shadow: 0 0 40px rgba(0,255,136,0.06), 0 8px 32px rgba(0,0,0,0.5) !important;
}

.fdt-iframe-loader {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: #080810;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(0,255,136,0.6);
    transition: opacity 0.5s ease;
    pointer-events: none;
}
.fdt-iframe-loader.hidden {
    opacity: 0;
}

.fdt-loader-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid rgba(0,255,136,0.15);
    border-top-color: #00ff88;
    border-radius: 50%;
    animation: fdtSpinner 1s linear infinite;
}

#fdt-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.fdt-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fdt-ctrl-btn {
    flex: 1;
    min-width: 0;
    padding: 9px 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}
.fdt-ctrl-btn:hover,
.fdt-ctrl-btn.active {
    background: rgba(0,255,136,0.1);
    border-color: rgba(0,255,136,0.4);
    color: #00ff88;
}
.fdt-ctrl-rotate.spinning {
    border-color: rgba(0,255,136,0.5);
    color: #00ff88;
    animation: fdtSpinner 2s linear infinite;
}

/* ── RIGHT COLUMN ── */
.fdt-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.fdt-section-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #00ff88;
}

.fdt-headline {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 2.8vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    color: #ffffff;
    letter-spacing: 0.01em;
    margin: 0;
}

.fdt-desc {
    font-size: 1rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.6);
    max-width: 520px;
    margin: 0;
}

/* Stats 2×2 grid */
.fdt-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.fdt-stat {
    padding: 18px 20px !important;
    border-radius: 10px !important;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fdt-stat-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
}

.fdt-stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}
.fdt-stat-value small {
    font-size: 0.7rem;
    font-weight: 400;
    color: #00ff88;
    margin-left: 3px;
    letter-spacing: 0.05em;
}
.fdt-stat-text {
    font-size: 1.1rem;
}

/* Hotspot buttons */
.fdt-hotspot-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
}
.fdt-hotspot-label small {
    color: rgba(0,255,136,0.5);
}

.fdt-hotspots {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fdt-hotspot-btn {
    padding: 8px 18px;
    background: transparent;
    border: 1px solid rgba(0,255,136,0.35);
    border-radius: 20px;
    color: rgba(0,255,136,0.85);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
}
.fdt-hotspot-btn:hover,
.fdt-hotspot-btn.active {
    background: rgba(0,255,136,0.12);
    border-color: #00ff88;
    color: #00ff88;
    box-shadow: 0 0 14px rgba(0,255,136,0.2);
}

/* Info box */
.fdt-info-box {
    padding: 18px 22px !important;
    border-radius: 10px !important;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fdt-info-title {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(0,255,136,0.7);
}

.fdt-info-box p {
    font-size: 0.88rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

/* Launch button */
.fdt-launch-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: #00ff88;
    color: #000;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    box-shadow: 0 0 28px rgba(0,255,136,0.3);
    transition: all 0.3s ease;
    margin-top: 4px;
}
.fdt-launch-btn:hover {
    background: transparent;
    color: #00ff88;
    border: 1px solid #00ff88;
    box-shadow: 0 0 40px rgba(0,255,136,0.4);
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .fdt-section { padding: 70px 6%; }
    .fdt-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .fdt-iframe-wrap { height: 380px; }
}
@media (max-width: 480px) {
    .fdt-stats-grid { grid-template-columns: 1fr 1fr; }
    .fdt-ctrl-btn { font-size: 0.6rem; padding: 8px 6px; }
}

/* ==========================================================================
   Technology Grid & Interactive Feature Cards
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 100% 0%, var(--theme-accent-glow) 0%, rgba(0,0,0,0) 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 0;
}

.feature-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--theme-accent);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition-smooth);
}

.feature-card:hover .card-icon {
    background: var(--theme-accent);
    color: var(--color-bg-deep);
    box-shadow: 0 0 20px var(--theme-accent-glow);
    transform: scale(1.05);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.card-description {
    font-size: 0.95rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    flex-grow: 0;
}

.card-services-list {
    list-style: none;
    padding: 0;
    margin: 10px 0 30px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    z-index: 1;
    flex-grow: 1;
}

.card-services-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
}

.service-bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--theme-accent);
    box-shadow: 0 0 6px var(--theme-accent);
    margin-top: 8px;
    flex-shrink: 0;
}

.card-services-list li strong {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    display: block;
    font-weight: 600;
}

.service-meta {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    display: block;
    margin-top: 2px;
    font-family: var(--font-mono);
}

/* Grid layout for XR Experiences card list since it has many items */
.grid-services-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 16px;
    margin-bottom: 24px;
}

.grid-services-list li {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

.grid-services-list li span {
    font-weight: 500;
}

.card-action {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--theme-accent);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
    transition: var(--transition-fast);
}

.card-action i {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.feature-card:hover .card-action {
    color: var(--color-text-primary);
}

.feature-card:hover .card-action i {
    transform: translateX(5px);
}

/* Individual Card Accent Themes (when targeted) */
.feature-card[data-tech="quantum"]:hover {
    --theme-accent: var(--color-violet);
    --theme-accent-glow: var(--color-violet-glow);
}

.feature-card[data-tech="neural"]:hover {
    --theme-accent: var(--color-magenta);
    --theme-accent-glow: var(--color-magenta-glow);
}

.feature-card[data-tech="spatial"]:hover {
    --theme-accent: var(--color-cyan);
    --theme-accent-glow: var(--color-cyan-glow);
}

/* ==========================================================================
   Configurator Dashboard Styling
   ========================================================================== */
.split-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
}

.split-layout.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

/* Left/Info Info elements */
.preset-controls {
    margin-top: 35px;
}

.control-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 12px;
}

.preset-buttons {
    display: flex;
    gap: 12px;
}

.btn-preset {
    padding: 10px 20px;
    font-size: 0.75rem;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
    border: var(--border-glass);
}

.btn-preset:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
}

.btn-preset.active {
    background-color: var(--theme-accent);
    color: var(--color-bg-deep);
    border-color: var(--theme-accent);
    box-shadow: 0 0 15px var(--theme-accent-glow);
}

/* Telemetry Box styling */
.system-telemetry {
    margin-top: 40px;
    padding: 24px;
    border-radius: 12px;
    border-color: rgba(255, 255, 255, 0.05);
}

.telemetry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.telemetry-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.telemetry-title i {
    width: 14px;
    height: 14px;
}

.telemetry-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 6px;
}

.telemetry-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background-color: var(--color-cyan);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tel-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
}

.tel-val {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Configurator Panel on Right */
.config-panel {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.panel-title {
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.panel-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-name {
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

.control-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--theme-accent);
    font-weight: bold;
}

/* Custom range sliders */
.custom-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    transition: background 0.3s ease;
}

.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--theme-accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--theme-accent-glow);
    transition: transform 0.1s, background-color 0.3s;
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.custom-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: none;
    border-radius: 50%;
    background: var(--theme-accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--theme-accent-glow);
    transition: transform 0.1s;
}

.custom-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Color dots picker */
.color-picker-group {
    display: flex;
    gap: 16px;
}

.color-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

.color-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 6px;
    height: 6px;
    background-color: var(--color-bg-deep);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.color-dot.active {
    transform: scale(1.15);
    box-shadow: 0 0 15px currentColor;
    border-color: #ffffff;
}

.color-dot.active::after {
    transform: translate(-50%, -50%) scale(1);
}

/* ==========================================================================
   Timeline Section
   ========================================================================== */
.timeline-wrapper {
    position: relative;
    max-width: 900px;
    margin: 80px auto 0;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    z-index: 0;
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to bottom, var(--theme-accent) 0%, var(--color-violet) 100%);
    box-shadow: 0 0 10px var(--theme-accent-glow);
    z-index: 1;
    transition: height 0.1s ease;
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 2;
    width: 50%;
}

.timeline-item:nth-child(even) {
    align-self: flex-end;
    justify-content: flex-start;
}

/* Centered dot */
.timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-bg-base);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: absolute;
    right: -7px;
    top: 30px;
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -7px;
    right: auto;
}

.timeline-item.active .timeline-dot {
    background-color: var(--theme-accent);
    border-color: #fff;
    box-shadow: 0 0 15px var(--theme-accent);
    transform: scale(1.35);
}

/* Card Content details */
.timeline-content {
    width: 88%;
    padding: 30px;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 40px;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--theme-accent);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.timeline-desc {
    font-size: 0.95rem;
}

/* ==========================================================================
   Contact Launch Console Section
   ========================================================================== */
.contact-form-container {
    padding: 40px;
}

#launch-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 24px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.form-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.custom-input {
    background-color: rgba(255, 255, 255, 0.02);
    border: var(--border-glass);
    border-radius: 8px;
    padding: 14px 18px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.custom-input:focus {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--theme-accent);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

textarea.custom-input {
    resize: none;
}

.nexus-coordinates {
    margin-top: 40px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-color: rgba(255, 255, 255, 0.05);
}

.coordinate-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.coord-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.coord-label i {
    width: 14px;
    height: 14px;
}

.coord-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* ==========================================================================
   Footer Styling
   ========================================================================== */
.prof-footer {
    border-top: var(--border-glass);
    background: #0a0a0a;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 80px 8% 40px 8%;
    position: relative;
    z-index: 10;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.brand-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: inline-block;
    max-width: 150px;
}

.footer-logo .logo-image {
    height: 48px;
    width: auto;
    display: block;
    filter: drop-shadow(0 0 10px rgba(13, 242, 101, 0.2));
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-dim);
}

.prof-footer .social-links {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.social-icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast) ease;
}

.social-icon-btn i {
    width: 18px;
    height: 18px;
}

.social-icon-btn:hover {
    color: var(--theme-accent);
    background: rgba(13, 242, 101, 0.08);
    border-color: var(--theme-accent);
    box-shadow: 0 0 15px rgba(13, 242, 101, 0.2);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 25px;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 25px;
    height: 2px;
    background-color: var(--theme-accent);
}

.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links-list a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links-list a:hover {
    color: var(--theme-accent);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--color-text-dim);
    font-size: 0.95rem;
}

.contact-list li i {
    width: 18px;
    height: 18px;
    color: var(--theme-accent);
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-list li a {
    color: var(--color-text-dim);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-list li a:hover {
    color: var(--theme-accent);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom .footer-copy {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin: 0;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-dim);
}

.footer-meta .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--theme-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--theme-accent);
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .prof-footer {
        padding: 60px 5vw 30px 5vw;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
        margin-bottom: 40px;
    }
    .footer-title {
        margin-bottom: 18px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .grid-services-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* ==========================================================================
   Success Modal Overlay (Form Submit completion)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    max-width: 480px;
    width: 90%;
    padding: 50px 40px;
    text-align: center;
    border-color: rgba(255, 255, 255, 0.12);
    transform: scale(0.9);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon {
    width: 48px;
    height: 48px;
    color: var(--color-cyan);
    position: relative;
    z-index: 2;
}

.modal-icon-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    z-index: 1;
    animation: modalPulse 2s infinite ease-out;
}

@keyframes modalPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.modal-desc {
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.telemetry-bar {
    width: 100%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    margin-bottom: 35px;
    overflow: hidden;
}

.telemetry-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(to right, var(--color-cyan), var(--color-violet));
    box-shadow: 0 0 10px var(--color-cyan);
}

.modal-overlay.active .telemetry-fill {
    animation: barFill 3s forwards cubic-bezier(0.1, 0.8, 0.1, 1);
}

@keyframes barFill {
    to { width: 100%; }
}

/* ==========================================================================
   3D Mansion Showcase Viewport & Details Styling
   ========================================================================== */
.showcase-viewport-wrapper {
    position: relative;
    width: 100%;
    height: 520px;
    border-radius: 16px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #080816 0%, #010103 100%);
    display: flex;
    flex-direction: column;
}

#mansion-canvas-container {
    flex-grow: 1;
    width: 100%;
    height: 100%;
    position: relative;
    cursor: grab;
}

#mansion-canvas-container:active {
    cursor: grabbing;
}

.viewport-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(3, 3, 7, 0.95) 0%, rgba(3, 3, 7, 0) 100%);
    z-index: 10;
}

.viewport-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
}

.viewport-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--theme-accent);
    letter-spacing: 0.1em;
    border: 1px solid var(--theme-accent-glow);
    padding: 3px 8px;
    border-radius: 4px;
    background: rgba(13, 242, 101, 0.05);
}

.viewport-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to top, rgba(3, 3, 7, 0.95) 0%, rgba(3, 3, 7, 0) 100%);
    z-index: 10;
}

.hotspot-telemetry {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.hotspot-telemetry .telemetry-label {
    color: var(--color-text-dim);
}

.hotspot-telemetry .telemetry-value {
    color: var(--theme-accent);
    font-weight: bold;
    margin-left: 5px;
}

.viewport-actions {
    display: flex;
    gap: 10px;
}

.viewport-btn {
    background-color: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    color: var(--color-text-secondary);
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.viewport-btn i {
    width: 14px;
    height: 14px;
}

.viewport-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
}

.viewport-btn.active {
    background-color: rgba(13, 242, 101, 0.15);
    border-color: var(--theme-accent);
    color: #fff;
    box-shadow: 0 0 10px var(--theme-accent-glow);
}

.mansion-telemetry-hud {
    padding: 20px 24px;
    border-radius: 12px;
    border-color: rgba(255, 255, 255, 0.05);
    margin-bottom: 28px;
}

.hotspots-group {
    margin-bottom: 28px;
}

.hotspot-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hotspot-btn {
    padding: 8px 16px;
    font-size: 0.75rem;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
    border: var(--border-glass);
    font-family: var(--font-mono);
}

.hotspot-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
}

.hotspot-btn.active {
    background-color: var(--theme-accent);
    color: var(--color-bg-deep);
    border-color: var(--theme-accent);
    box-shadow: 0 0 15px var(--theme-accent-glow);
}

.hotspot-info-card {
    padding: 24px;
    border-radius: 12px;
    border-color: rgba(255, 255, 255, 0.05);
}

.hotspot-info-card h4 {
    margin-bottom: 10px;
    font-size: 1.15rem;
    color: var(--theme-accent);
    font-family: var(--font-heading);
}

.hotspot-info-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Matterport HUD Viewport Overlays
   ========================================================================== */
.viewport-footer-matterport {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to top, rgba(3, 3, 7, 0.95) 0%, rgba(3, 3, 7, 0) 100%);
    z-index: 10;
}

.view-modes-toolbar {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    border-radius: 30px;
    padding: 4px;
    gap: 4px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.mode-btn {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 6px 14px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.mode-btn i {
    width: 13px;
    height: 13px;
}

.mode-btn:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.mode-btn.active {
    color: var(--color-bg-deep);
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent-glow);
}

.tour-controls-toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Measurement HUD Panel */
.measurement-hud-panel {
    position: absolute;
    top: 80px;
    right: 20px;
    width: 270px;
    background: rgba(3, 3, 7, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 14px;
    z-index: 12;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
}

.measurement-hud-panel.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    border-color: rgba(13, 242, 101, 0.3);
    box-shadow: 0 8px 32px rgba(13, 242, 101, 0.1);
}

.measure-hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 8px;
}

.hud-title {
    font-size: 0.75rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: bold;
}

.hud-title i {
    width: 14px;
    height: 14px;
    color: var(--theme-accent);
}

#btn-measure-clear {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid rgba(255, 51, 102, 0.3);
    color: #ff3366;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.65rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all 0.2s ease;
}

#btn-measure-clear:hover {
    background: rgba(255, 51, 102, 0.25);
    box-shadow: 0 0 8px rgba(255, 51, 102, 0.2);
}

.measure-hud-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.measure-point-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--color-text-dim);
}

.pt-val {
    color: var(--color-text-secondary);
}

.measure-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.res-lbl {
    font-size: 0.7rem;
    color: var(--color-text-primary);
}

.res-val {
    font-size: 1.05rem;
    color: var(--theme-accent);
    font-weight: bold;
    text-shadow: 0 0 10px var(--theme-accent-glow);
}

/* Tour Status HUD */
.tour-status-hud {
    position: absolute;
    top: 80px;
    left: 20px;
    background: rgba(255, 51, 102, 0.12);
    border: 1px solid rgba(255, 51, 102, 0.35);
    padding: 8px 14px;
    border-radius: 20px;
    z-index: 12;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: #ff3366;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.15);
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
}

.tour-status-hud.active {
    opacity: 1;
    transform: translateY(0);
}

.pulse-dot-red {
    width: 8px;
    height: 8px;
    background-color: #ff3366;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #ff3366;
    animation: pulseRed 1.5s infinite ease-in-out;
}

@keyframes pulseRed {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.4; }
}

/* Floating 3D Measurement Label */
.measurement-label-3d {
    position: absolute;
    background: rgba(3, 3, 7, 0.85);
    border: 1px solid var(--theme-accent);
    border-radius: 4px;
    padding: 4px 8px;
    color: var(--theme-accent);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: bold;
    pointer-events: none;
    z-index: 15;
    transform: translate(-50%, -100%);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

/* ==========================================================================
   Portfolio Section Styling
   ========================================================================== */
#portfolio {
    padding: 100px 0;
    position: relative;
}

.portfolio-header {
    margin-bottom: 50px;
    position: relative;
    z-index: 5;
}

.featured-project-container {
    margin-bottom: 40px;
    width: 100%;
}

.portfolio-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.1, 0.8, 0.1, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    border-color: rgba(13, 242, 101, 0.3);
    box-shadow: 0 16px 48px rgba(13, 242, 101, 0.06);
}

.featured-card {
    flex-direction: row;
    min-height: 400px;
}

.featured-card .project-media-viewport {
    flex: 1.35;
    height: auto;
    min-height: 400px;
    border-radius: 12px 0 0 12px;
}

.featured-card .project-info-panel {
    flex: 1;
    padding: 35px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-badge {
    align-self: flex-start;
    background: rgba(13, 242, 101, 0.08);
    border: 1px solid rgba(13, 242, 101, 0.3);
    color: var(--theme-accent);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    text-shadow: 0 0 5px var(--theme-accent-glow);
}

.featured-badge i {
    width: 12px;
    height: 12px;
}

.selected-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.selected-projects-grid .portfolio-card {
    min-height: 480px;
}

.selected-projects-grid .project-media-viewport {
    height: 250px;
    border-radius: 12px 12px 0 0;
}

.selected-projects-grid .project-info-panel {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Media Viewport Elements */
.project-media-viewport {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #000;
}

.media-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.1, 0.8, 0.1, 1);
    z-index: 1;
}

.media-view.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Switcher Tabs inside Viewport */
.media-switcher-tabs {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(3, 3, 7, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 30px;
    padding: 4px;
    display: flex;
    gap: 4px;
    z-index: 4;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.switcher-tab {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 5px 14px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.25s ease;
}

.switcher-tab i {
    width: 12px;
    height: 12px;
}

.switcher-tab:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.switcher-tab.active {
    color: var(--color-bg-deep);
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent-glow);
}

/* Video Canvas & Looping HUD */
.video-container {
    width: 100%;
    height: 100%;
    position: relative;
    background: #020205;
}

.media-video-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.45);
    color: var(--color-text-primary);
    pointer-events: none;
    z-index: 3;
}

.video-play-overlay i {
    width: 32px;
    height: 32px;
    color: var(--theme-accent);
    filter: drop-shadow(0 0 8px var(--theme-accent-glow));
    margin-bottom: 8px;
    animation: heartbeat 2s infinite ease-in-out;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.video-duration {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
}

/* 360 Tour Viewport */
.tour-360-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    cursor: grab;
    background: #010103;
}

.tour-360-container:active {
    cursor: grabbing;
}

.tour-pan-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.panorama-image {
    width: 100%;
    height: 100%;
    background-size: 200% 100%;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    position: absolute;
    top: 0;
    left: 0;
}

.tour-overlay-instructions {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(3, 3, 7, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 4px 12px;
    border-radius: 12px;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: none;
    z-index: 3;
    white-space: nowrap;
}

.tour-overlay-instructions i {
    width: 10px;
    height: 10px;
    color: var(--theme-accent);
}

.tour-hotspot {
    position: absolute;
    cursor: pointer;
    z-index: 3;
    width: 24px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hotspot-dot {
    width: 10px;
    height: 10px;
    background-color: var(--theme-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--theme-accent-glow);
    border: 1.5px solid #fff;
    animation: pulseHotspot 2.5s infinite ease-in-out;
}

@keyframes pulseHotspot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 242, 101, 0.6); }
    70% { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(13, 242, 101, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 242, 101, 0); }
}

.tour-tooltip-box {
    position: absolute;
    bottom: 54px;
    left: 12px;
    right: 12px;
    background: rgba(3, 3, 7, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(13, 242, 101, 0.25);
    border-radius: 6px;
    padding: 6px 12px;
    color: var(--theme-accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    pointer-events: none;
    z-index: 5;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(5px);
}

.tour-tooltip-box.active {
    opacity: 1;
    transform: translateY(0);
}

/* Info Panel Elements */
.project-info-panel .project-location {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--theme-accent);
    letter-spacing: 0.05em;
    font-weight: 500;
}

.project-info-panel .project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--color-text-primary);
    margin: 4px 0 12px 0;
}

.project-info-panel .project-description {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin-bottom: 20px;
}

.project-info-panel .project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
}

.project-telemetry {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    display: flex;
    flex-direction: column;
}

.project-telemetry .lbl {
    color: var(--color-text-dim);
    margin-bottom: 2px;
}

.project-telemetry .val {
    color: var(--color-text-primary);
    font-weight: bold;
}

.btn-project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-project-link i {
    width: 12px;
    height: 12px;
}

/* Responsive adjustments for Portfolio */
@media (max-width: 992px) {
    .featured-card {
        flex-direction: column;
    }
    
    .featured-card .project-media-viewport {
        height: 280px;
        min-height: auto;
        border-radius: 12px 12px 0 0;
    }
    
    .selected-projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Use Cases & Benefits Toggle & Cards Styling
   ========================================================================== */
.benefits-toggle-wrapper {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 35px;
}

.benefits-grid-container {
    margin-top: 50px;
    width: 100%;
}

.benefit-panel {
    display: none;
    width: 100%;
    animation: fadeIn 0.5s ease;
}

.benefit-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.use-cases-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    width: 100%;
}

.benefit-card {
    padding: 36px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-family: var(--font-heading);
    color: var(--color-text-primary);
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

@media (max-width: 900px) {
    .use-cases-layout {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Responsive Styling (Media Queries)
   ========================================================================== */
@media (max-width: 1100px) {
    .split-layout, .split-layout.reverse {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .contact-info {
        order: -1;
    }
    .hero-demo-viewport {
        height: 360px;
    }
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-line {
        left: 40px;
    }
    
    .timeline-item {
        width: 100%;
        align-self: flex-start !important;
        justify-content: flex-start !important;
        padding-left: 80px;
    }
    
    .timeline-dot {
        left: 33px !important;
        right: auto !important;
    }
    
    .timeline-content {
        width: 100%;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .nav-links {
        display: none; /* Hide header links on mobile; responsive burger menu could toggle it */
    }
    .header-cta {
        display: none;
    }
    .mobile-nav-toggle {
        display: flex;
    }
}

@media (max-width: 600px) {
    .scroll-section {
        padding: 100px 5%;
    }
    .hero-actions {
        flex-direction: column;
    }
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
    .hero-demo-viewport {
        height: 320px;
    }
}

/* Link Glow Hover Accent */
.link-glow {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
}

.link-glow:hover {
    color: var(--theme-accent) !important;
    text-shadow: 0 0 8px rgba(13, 242, 101, 0.6);
}

/* ==========================================================================
   Dedicated Services Page Styling
   ========================================================================== */

/* Main Container */
#services-main-container {
    padding-top: 100px;
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Services Hero */
.services-hero {
    position: relative;
    padding: 100px 4% 60px 4%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(13, 242, 101, 0.08) 0%, rgba(0,0,0,0) 70%);
    z-index: 0;
    pointer-events: none;
}

.services-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.services-hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 800;
}

.services-hero-desc {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Dual Column Layout */
.services-layout-wrapper {
    display: flex;
    gap: 40px;
    padding: 0 4% 100px 4%;
    position: relative;
}

/* Sticky Sidebar Index Navigation */
.services-sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 120px;
    height: calc(100vh - 160px);
    z-index: 10;
}

.sidebar-box {
    padding: 24px;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Custom Scrollbar for Sidebar Box */
.sidebar-box::-webkit-scrollbar {
    width: 4px;
}
.sidebar-box::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar-box::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}
.sidebar-box::-webkit-scrollbar-thumb:hover {
    background: var(--theme-accent);
}

.sidebar-heading {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-category-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.sidebar-category-link i {
    width: 16px;
    height: 16px;
    color: var(--color-text-dim);
    transition: var(--transition-fast);
}

.sidebar-category-link:hover,
.sidebar-category-link.active {
    color: var(--theme-accent);
}

.sidebar-category-link:hover i,
.sidebar-category-link.active i {
    color: var(--theme-accent);
}

.sidebar-sublinks {
    list-style: none;
    padding-left: 26px;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.scrollable-sublinks {
    max-height: 200px;
    overflow-y: auto;
    padding-right: 5px;
}

.sidebar-item-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: block;
}

.sidebar-item-link:hover,
.sidebar-item-link.active {
    color: var(--theme-accent);
    padding-left: 4px;
}

/* Cards Panel */
.services-cards-panel {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 80px;
    min-width: 0; /* Prevents flex items from breaking grid widths */
}

.category-block {
    scroll-margin-top: 120px;
}

.category-header {
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 24px;
}

.cat-num {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--theme-accent);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.category-title {
    font-size: 2rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.category-desc {
    max-width: 700px;
}

.services-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Service Detail Card */
.service-detail-card {
    display: grid;
    grid-template-columns: 42% 58%;
    overflow: hidden;
    transition: var(--transition-smooth);
    border-radius: 16px;
    scroll-margin-top: 120px;
    position: relative;
}

.service-detail-card:hover {
    transform: translateY(-4px);
}

.srv-visual {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    overflow: hidden;
    background: #020205;
}

.srv-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-detail-card:hover .srv-image {
    transform: scale(1.05);
}

.srv-scan-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgba(3, 3, 7, 0.8) 100%);
    pointer-events: none;
    z-index: 2;
}

/* Neon Green scan line effect on card hover */
.service-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent);
    opacity: 0;
    transform: translateY(-100%);
    z-index: 10;
    pointer-events: none;
}

.service-detail-card:hover::before {
    opacity: 0.8;
    animation: scanLineMove 3s infinite linear;
}

@keyframes scanLineMove {
    0% { transform: translateY(0); opacity: 0; }
    5% { opacity: 0.8; }
    95% { opacity: 0.8; }
    100% { transform: translateY(350px); opacity: 0; } /* Adjust based on typical card height */
}

.srv-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.srv-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--theme-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.srv-title {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: var(--color-text-primary);
}

.srv-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.srv-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    width: 100%;
}

.srv-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

.srv-features li i {
    width: 16px;
    height: 16px;
    color: var(--theme-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.srv-cta {
    font-size: 0.8rem;
    padding: 12px 24px;
}

/* Mockup Canvas Styles (for interactive visualizations) */
.srv-mockup-canvas {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.matrix-effect {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    z-index: 2;
    text-align: center;
    padding: 20px;
}

.rotating-icon {
    animation: rotateIcon 12s infinite linear;
}

.pulsing-icon {
    animation: pulseIcon 2.5s infinite ease-in-out;
}

.console-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

@keyframes rotateIcon {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulseIcon {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; filter: drop-shadow(0 0 15px var(--theme-accent-glow)); }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.grid-mesh-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 20px 20px;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    z-index: 1;
}

/* Tiny Planet Mockup */
.tiny-planet-wrap {
    width: 160px;
    height: 160px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.planet-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #154523, #020205);
    border: 2px dashed var(--theme-accent);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 30px rgba(13, 242, 101, 0.3);
    animation: rotateIcon 30s infinite linear;
}

/* Blueprint Mockup */
.blueprint-lines {
    width: 100%;
    height: 100%;
    background-color: #0c1b33;
    background-size: 15px 15px;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 2;
    color: #4ec9b0;
}

.blueprint-lines div {
    border-color: rgba(78, 201, 176, 0.6) !important;
}

.blueprint-lines span {
    color: rgba(78, 201, 176, 0.8) !important;
}

/* Quick Inquiry Section specifically on services page */
.services-inquiry-section {
    padding: 100px 4%;
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.services-inquiry-section .split-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px;
    align-items: center;
}

/* Custom Select styling specifically for dark theme */
.custom-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f3f4f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 48px;
    color: var(--color-text-primary);
}

.custom-select option {
    background-color: #0c0c14;
    color: var(--color-text-primary);
}

.custom-select optgroup {
    background-color: #050508;
    color: var(--theme-accent);
    font-family: var(--font-mono);
    font-weight: bold;
}

/* Responsive Styles for Dedicated Services */
@media (max-width: 1024px) {
    .services-layout-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .services-sidebar {
        width: 100%;
        position: static;
        height: auto;
    }

    .sidebar-sublinks {
        display: none; /* Hide submenu links on mobile to save vertical space */
    }

    .sidebar-section {
        margin-bottom: 0;
        display: inline-block;
        margin-right: 20px;
    }
    
    .sidebar-box {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        padding: 16px;
        max-height: none;
    }
    
    .sidebar-heading {
        width: 100%;
        margin-bottom: 10px;
        padding-bottom: 5px;
    }
    
    .sidebar-category-link {
        margin-bottom: 0;
        font-size: 0.9rem;
    }

    .services-cards-panel {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .service-detail-card {
        grid-template-columns: 1fr;
    }

    .srv-visual {
        height: 240px;
        min-height: auto;
    }

    .srv-content {
        padding: 30px 20px;
    }
    
    .services-inquiry-section .split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-inquiry-section .split-layout.reverse .contact-info {
        order: -1;
    }
}

/* ==========================================================================
   Interactive Pricing Section Styling
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 50px;
    width: 100%;
}

.pricing-card {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    transition: var(--transition-smooth);
    border-radius: 16px;
    min-height: 520px;
    position: relative;
    background: var(--color-bg-card);
}

/* Highlight style for popular card option */
.pricing-card.popular-card {
    border: 1px solid var(--theme-accent);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45), 0 0 20px var(--theme-accent-glow);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--theme-accent);
    color: var(--color-bg-deep);
    padding: 4px 14px;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 10;
    box-shadow: 0 0 12px var(--theme-accent-glow);
    white-space: nowrap;
}

.popular-badge i {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

.pricing-header {
    margin-bottom: 10px;
}

.price-tier {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.price-size {
    font-size: 1.4rem;
    color: var(--color-text-primary);
    font-weight: 700;
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.price-size .unit {
    font-size: 0.8rem;
    color: var(--color-text-dim);
    font-weight: normal;
    letter-spacing: 0.05em;
}

.price-tag {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-bottom: 10px;
}

.price-tag .currency {
    font-size: 1.5rem;
    color: var(--theme-accent);
    font-weight: 600;
    align-self: flex-start;
}

.price-tag .amount {
    font-size: 3.2rem;
    color: var(--color-text-primary);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    font-family: var(--font-heading);
}

.price-tag .period {
    font-size: 0.8rem;
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    margin-left: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: 15px 0 24px 0;
    width: 100%;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 35px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    text-align: left;
}

.pricing-features li i {
    width: 15px;
    height: 15px;
    color: var(--theme-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
    font-size: 0.8rem;
}

/* Responsive Breakpoints for Pricing Grid */
@media (max-width: 1100px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 650px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pricing-card {
        min-height: auto;
    }
}

/* ==========================================================================
   About Section Styling
   ========================================================================== */
#about {
    background: #0a0a0a;
}

.about-card {
    padding: 60px 80px;
    width: 100%;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-image-container {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    overflow: hidden;
    padding: 6px;
    border: var(--border-glass);
    box-shadow: var(--shadow-glass);
    transition: var(--transition-smooth);
}

.profile-image-container:hover {
    border-color: var(--theme-accent);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 25px var(--theme-accent-glow);
    transform: rotate(3deg) scale(1.03);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle, var(--theme-accent-glow) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

.about-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.creator-credentials {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0 35px 0;
    width: 100%;
}

.credential-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 16px 20px;
    transition: var(--transition-smooth);
}

.credential-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}

.cred-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    background: rgba(13, 242, 101, 0.1);
    color: var(--theme-accent);
    border-radius: 8px;
    flex-shrink: 0;
}

.cred-icon i {
    width: 18px;
    height: 18px;
}

.credential-item strong {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    display: block;
    margin-bottom: 4px;
}

.credential-item span {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* About responsive styling */
@media (max-width: 991px) {
    .about-card {
        padding: 40px 24px;
    }
    
    #about .split-layout {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .about-visual {
        order: -1;
    }
    
    .profile-image-container {
        width: 250px;
        height: 250px;
    }
    
    .about-info {
        align-items: center;
    }
    
    .credential-item {
        text-align: left;
    }
}

/* ==========================================================================
   Centered Logo Layout & Header CTA
   ========================================================================== */
.header-container.centered-logo-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 4%;
    width: 100%;
}

.logo-centered {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: var(--transition-smooth);
}

.logo-centered .logo-image {
    height: 48px; /* Prominent size for readability */
    width: auto;
}

.logo-centered:hover .logo-image {
    transform: scale(1.06);
    filter: drop-shadow(0 0 12px var(--theme-accent-glow));
}

.header-cta-left {
    display: flex;
    align-items: center;
    z-index: 1002;
}

.header-cta-left .btn {
    font-size: 0.72rem;
    padding: 10px 18px;
    letter-spacing: 0.08em;
}

.header-toggle-right {
    display: flex;
    align-items: center;
    z-index: 1002;
}

/* Responsiveness for logo layout */
@media (max-width: 600px) {
    .header-cta-left .btn {
        padding: 8px 12px;
        font-size: 0.65rem;
    }
    
    .logo-centered .logo-image {
        height: 38px; /* Prevent overlapping on mobile drawer triggers */
    }
}

/* ==========================================================================
   Back to Top Button Styling
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(4, 4, 8, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: var(--border-glass);
    color: var(--color-text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1998; /* Under toggle drawer overlays but above normal page sections */
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease, border-color 0.3s, box-shadow 0.3s, color 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.back-to-top i {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.back-to-top:hover {
    border-color: var(--theme-accent);
    color: var(--theme-accent);
    box-shadow: 0 0 15px var(--theme-accent-glow);
    transform: translateY(-3px);
}

.back-to-top:hover i {
    transform: translateY(-2px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top i {
        width: 16px;
        height: 16px;
    }
}

/* ==========================================================================
   Industry Insights Blog Styling
   ========================================================================== */
#blog {
    background: #0a0a0a;
    background-position: center;
}

.blog-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-tab {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-glass);
    color: var(--color-text-secondary);
    padding: 10px 20px;
    border-radius: 30px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-tab:hover, .filter-tab.active {
    background: var(--theme-accent);
    color: #000000;
    border-color: var(--theme-accent);
    box-shadow: 0 0 15px var(--theme-accent-glow);
    font-weight: 600;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    width: 100%;
}

.blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.blog-card.filtered-out {
    display: none;
}

.blog-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.blog-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-card:hover .blog-image {
    transform: scale(1.06);
}

.blog-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--theme-accent);
    color: #000000;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.blog-content-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta-info {
    display: flex;
    gap: 15px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-dim);
    margin-bottom: 12px;
    align-items: center;
}

.blog-meta-info i {
    width: 12px;
    height: 12px;
    vertical-align: middle;
    margin-right: 2px;
}

.blog-card-title {
    font-size: 1.15rem;
    line-height: 1.4;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-primary);
    transition: color 0.3s;
}

.blog-card:hover .blog-card-title {
    color: var(--theme-accent);
}

.blog-card-excerpt {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

/* ==========================================================================
   Article Modal reader styles
   ========================================================================== */
.article-modal-content {
    width: 860px;
    max-width: 95%;
    height: 85vh;
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    position: relative;
    border-radius: 20px;
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.04);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

.article-progress-fill {
    width: 0%;
    height: 100%;
    background: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent-glow);
    transition: width 0.1s ease;
}

.article-body-scroll {
    overflow-y: auto;
    flex-grow: 1;
    padding: 50px;
    scroll-behavior: smooth;
}

/* Custom Scrollbar for Article Modal */
.article-body-scroll::-webkit-scrollbar {
    width: 8px;
}
.article-body-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.01);
}
.article-body-scroll::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}
.article-body-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--theme-accent);
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: var(--border-glass);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 12;
}

.modal-close-btn:hover {
    border-color: var(--theme-accent);
    color: var(--theme-accent);
    box-shadow: 0 0 10px var(--theme-accent-glow);
    transform: rotate(90deg);
}

.article-header {
    margin-bottom: 30px;
}

.article-modal-tag {
    display: inline-block;
    background: rgba(0, 240, 255, 0.1);
    color: var(--theme-accent);
    border: 1px solid rgba(0, 240, 255, 0.2);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.article-modal-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.article-modal-meta {
    display: flex;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

.article-modal-meta i {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}

.article-modal-image-container {
    width: 100%;
    height: 380px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 35px;
    border: var(--border-glass);
}

.article-modal-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-modal-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.article-modal-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-modal-text h3 {
    font-size: 1.4rem;
    color: var(--color-text-primary);
    margin-top: 35px;
    margin-bottom: 15px;
    font-weight: 600;
}

.article-modal-text ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.article-modal-text li {
    margin-bottom: 10px;
    position: relative;
    list-style-type: none;
    padding-left: 15px;
}

.article-modal-text li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--theme-accent);
}

/* ==========================================================================
   Responsive overrides for Blog grid
   ========================================================================== */
@media (max-width: 1100px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .article-body-scroll {
        padding: 30px;
    }
    .article-modal-image-container {
        height: 240px;
        margin-bottom: 25px;
    }
}