* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.panel-description,
.expanded-content p,
.expanded-content h1,
.expanded-content h2,
.expanded-content h3,
.person-bio,
.project-description {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

:root {
    /* Golden Ratio Constants */
    --phi: 1.618;
    --phi-inv: 0.618;
    
    /* Fibonacci-based sizing system */
    --fib-1: 1vh;
    --fib-2: 1.5vh;
    --fib-3: 2.5vh;
    --fib-5: 4vh;
    --fib-8: 6.5vh;
    --fib-13: 10.5vh;
    --fib-21: 17vh;
    --fib-34: 27.5vh;
    --fib-55: 44.5vh;
    
    /* Golden Ratio Positions */
    --golden-x1: 38.2%;
    --golden-x2: 61.8%;
    --golden-y1: 38.2%;
    --golden-y2: 61.8%;
}

/* Light Mode Theme Colors (Default) - Brushed Steel */
:root {
    --bg-gradient-1: #DDDEE0;
    --bg-gradient-2: #CCCED0;
    --bg-gradient-3: #BBBEC2;

    --chrome: linear-gradient(135deg, #E4E5E7, #CCCED0, #BBBEC2);
    --chrome-text-1: #9CA0A6;
    --chrome-text-2: #7C8C98;
    --chrome-text-3: #5B8FA8;
    --chrome-text-4: #4A7C94;

    --glass-white: rgba(230, 232, 234, 0.10);
    --glass-blue: rgba(91, 143, 168, 0.12);
    --glass-border: rgba(91, 143, 168, 0.28);
    --glass-shadow-light: rgba(230, 232, 234, 0.45);
    --glass-shadow-dark: rgba(0, 0, 0, 0.22);

    --neural-blue: #7AACBF;
    --accent-cyan: #5B8FA8;

    --text-dark: #22262A;
    --text-light: #4A5058;

    --panel-glass-gradient-1: rgba(230, 232, 234, 0.26);
    --panel-glass-gradient-2: rgba(230, 232, 234, 0.10);
    --panel-glass-gradient-3: rgba(230, 232, 234, 0.04);
    --panel-glass-gradient-4: rgba(230, 232, 234, 0.02);
    --panel-glass-gradient-5: rgba(0, 0, 0, 0.06);

    --shadow-primary: rgba(34, 38, 42, 0.30);
    --shadow-secondary: rgba(34, 38, 42, 0.18);

    --nebula-primary: rgba(91, 143, 168, 0.45);
    --nebula-secondary: rgba(122, 172, 191, 0.38);
    --nebula-tertiary: rgba(149, 196, 216, 0.30);

    --theme-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Theme Colors - Titanium Horizon */
body[data-theme="dark"] {
    --bg-gradient-1: #0C0E12;
    --bg-gradient-2: #12161C;
    --bg-gradient-3: #181D25;
    
    --chrome: linear-gradient(135deg, #1E242C, #2A3440, #3A4858);
    --chrome-text-1: #6FA0B8;
    --chrome-text-2: #80B0C8;
    --chrome-text-3: #95C4D8;
    --chrome-text-4: #A8D4E8;
    
    --glass-white: rgba(111, 160, 184, 0.08);
    --glass-blue: rgba(149, 196, 216, 0.06);
    --glass-border: rgba(111, 160, 184, 0.18);
    --glass-shadow-light: rgba(111, 160, 184, 0.25);
    --glass-shadow-dark: rgba(0, 0, 0, 0.5);
    
    --neural-blue: #95C4D8;
    --accent-cyan: #6FA0B8;
    
    --text-dark: #EDF2F5;
    --text-light: #A8B8C4;
    
    --panel-glass-gradient-1: rgba(111, 160, 184, 0.12);
    --panel-glass-gradient-2: rgba(111, 160, 184, 0.06);
    --panel-glass-gradient-3: rgba(111, 160, 184, 0.03);
    --panel-glass-gradient-4: rgba(111, 160, 184, 0.015);
    --panel-glass-gradient-5: rgba(255, 255, 255, 0.02);
    
    --shadow-primary: rgba(0, 0, 0, 0.55);
    --shadow-secondary: rgba(0, 0, 0, 0.35);
    
    --nebula-primary: rgba(111, 160, 184, 0.25);
    --nebula-secondary: rgba(128, 176, 200, 0.2);
    --nebula-tertiary: rgba(149, 196, 216, 0.15);
}

body {
    transition: var(--theme-transition);
}

body.no-transitions,
body.no-transitions * {
    transition: none !important;
}

.nav-panel,
.panel-glass-container,
.panel-glass-base,
.panel-content,
.panel-icon,
.chrome-title,
.medallion-glass-container,
.medallion-glow,
.eel-logo-img,
.eel-logo-svg,
.theme-toggle-container,
.expanded-glass-container,
.project-tag,
.linkedin-link,
.apply-button,
.apply-now-btn,
.blob-accent-1,
.blob-accent-2,
.chrome-grid {
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 50%, var(--bg-gradient-3) 100%);
    color: var(--text-dark);
    overflow: hidden;
    height: 100vh;
    position: relative;
    perspective: 3000px;
    perspective-origin: 50% 50%;
}

/* Chrome Grid Floor */
.chrome-grid {
    position: fixed;
    width: 161.8%;
    height: 161.8%;
    top: 61.8%;
    left: 50%;
    transform: translateX(-50%) rotateX(70deg) translateZ(-500px);
    background-image: 
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent calc(var(--fib-21) * 2.5), 
            var(--glass-border) calc(var(--fib-21) * 2.5), 
            var(--glass-border) calc(var(--fib-21) * 2.5 + 1px)),
        repeating-linear-gradient(90deg, 
            transparent, 
            transparent calc(var(--fib-21) * 2.5), 
            var(--glass-border) calc(var(--fib-21) * 2.5), 
            var(--glass-border) calc(var(--fib-21) * 2.5 + 1px));
    opacity: 0.3;
    animation: grid-pulse 21s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.15; }
}

/* Organic Nebula System */
.organic-nebula {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
    pointer-events: none;
}

.nebula-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(calc(var(--fib-13) * 3));
    will-change: transform;
}

.blob-primary {
    width: var(--fib-55);
    height: var(--fib-55);
    background: radial-gradient(circle at 38.2% 38.2%, 
        var(--nebula-primary) 0%, 
        rgba(91,143,168,0.2) 38.2%,
        rgba(91,143,168,0.05) 61.8%,
        transparent 100%);
    left: calc(var(--golden-x2) - var(--fib-55) / 2);
    top: calc(var(--golden-y1) - var(--fib-55) / 2);
    animation: blob-drift-primary 89s infinite ease-in-out;
}

.blob-secondary {
    width: var(--fib-34);
    height: var(--fib-34);
    background: radial-gradient(circle at 61.8% 61.8%, 
        var(--nebula-secondary) 0%,
        rgba(122,172,191,0.15) 50%, 
        transparent 100%);
    left: calc(var(--golden-x1) - var(--fib-34) / 2);
    top: calc(var(--golden-y2) - var(--fib-34) / 2);
    animation: blob-drift-secondary 55s infinite ease-in-out reverse;
}

.blob-tertiary {
    width: calc(var(--fib-34) * 1.272);
    height: calc(var(--fib-34) * 1.272);
    background: radial-gradient(circle at 50% 50%, 
        var(--nebula-tertiary) 0%,
        rgba(149,196,216,0.1) 38.2%,
        transparent 61.8%);
    left: calc(50% - var(--fib-21));
    top: calc(50% - var(--fib-21));
    animation: blob-drift-tertiary 72s infinite ease-in-out;
}

.blob-accent-1 {
    width: var(--fib-21);
    height: var(--fib-21);
    background: radial-gradient(circle, 
        rgba(91,143,168,0.22) 0%, 
        transparent 61.8%);
    left: 14.6%;
    top: 23.6%;
    animation: blob-orbit-1 34s infinite ease-in-out;
}

body[data-theme="dark"] .blob-accent-1 {
    background: radial-gradient(circle, 
        rgba(111,160,184,0.22) 0%, 
        transparent 61.8%);
}

.blob-accent-2 {
    width: var(--fib-13);
    height: var(--fib-13);
    background: radial-gradient(circle, 
        rgba(149,196,216,0.18) 0%, 
        transparent 50%);
    right: 9%;
    bottom: 14.6%;
    animation: blob-orbit-2 21s infinite ease-in-out reverse;
}

body[data-theme="dark"] .blob-accent-2 {
    background: radial-gradient(circle, 
        rgba(149,196,216,0.18) 0%, 
        transparent 50%);
}

@keyframes blob-drift-primary {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    16.18% { transform: translate(calc(var(--fib-8) * -1), var(--fib-5)) scale(1.05) rotate(61.8deg); }
    38.2% { transform: translate(var(--fib-5), calc(var(--fib-8) * -1)) scale(0.95) rotate(137deg); }
    61.8% { transform: translate(calc(var(--fib-5) * -1), var(--fib-8)) scale(1.08) rotate(222.5deg); }
    85.4% { transform: translate(var(--fib-8), var(--fib-3)) scale(0.97) rotate(300deg); }
}

@keyframes blob-drift-secondary {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(calc(var(--fib-13) * -1), calc(var(--fib-8) * -1)) scale(1.1); }
    50% { transform: translate(var(--fib-8), calc(var(--fib-13) * -1)) scale(0.9); }
    75% { transform: translate(calc(var(--fib-5) * -1), var(--fib-13)) scale(1.05); }
}

@keyframes blob-drift-tertiary {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    20% { transform: translate(calc(var(--fib-8) * 1.618), calc(var(--fib-5) * -1.618)) scale(0.94) rotate(72deg); }
    40% { transform: translate(calc(var(--fib-5) * -1.618), calc(var(--fib-8) * 1.618)) scale(1.06) rotate(144deg); }
    60% { transform: translate(calc(var(--fib-8) * -0.618), calc(var(--fib-5) * -1.618)) scale(0.98) rotate(216deg); }
    80% { transform: translate(calc(var(--fib-5) * 1.618), calc(var(--fib-8) * 0.618)) scale(1.03) rotate(288deg); }
}

@keyframes blob-orbit-1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(var(--fib-21), calc(var(--fib-13) * -1)) scale(1.15); }
}

@keyframes blob-orbit-2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(calc(var(--fib-13) * -1), var(--fib-21)) scale(0.85); }
}

/* WebGL Canvas */
#three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

/* Cyberspace Container */
.cyberspace {
    position: fixed;
    width: 100vw;
    height: 100vh;
    transform-style: preserve-3d;
    z-index: 100;
    pointer-events: none;
}

/* Chrome Title */
.chrome-title {
    position: absolute;
    top: max(8%, 60px);
    left: 0;
    right: 0;
    text-align: center;
    transform: translateZ(200px);
    font-size: clamp(60px, 10vw, 120px);
    font-weight: 100;
    letter-spacing: clamp(15px, 2.5vw, 30px);
    line-height: 1.2;
    background: linear-gradient(90deg,
        var(--chrome-text-1) 0%,
        var(--chrome-text-2) 12.5%,
        var(--chrome-text-3) 25%,
        var(--chrome-text-4) 37.5%,
        var(--chrome-text-3) 50%,
        var(--chrome-text-2) 62.5%,
        var(--chrome-text-1) 75%,
        var(--chrome-text-2) 87.5%,
        var(--chrome-text-3) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 
        0 2px 10px var(--glass-shadow-light),
        0 10px 30px rgba(91,143,168,0.3);
    transform-style: preserve-3d;
    animation: chrome-text-flow 12s linear infinite;
    pointer-events: none;
    z-index: 50;
}

body[data-theme="dark"] .chrome-title {
    text-shadow: 
        0 2px 10px rgba(111,160,184,0.5),
        0 10px 30px rgba(149,196,216,0.4);
}

@keyframes chrome-text-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.subtitle {
    position: absolute;
    top: calc(max(8%, 60px) + clamp(80px, 12vw, 144px));
    left: 0;
    right: 0;
    text-align: center;
    font-size: clamp(11px, 1.2vw, 14px);
    letter-spacing: clamp(4px, 0.7vw, 8px);
    line-height: 1.4;
    color: var(--text-light);
    font-weight: 200;
    text-transform: uppercase;
    opacity: 0.764;
    pointer-events: none;
    z-index: 50;
}

/* ============================================
   CENTRAL MEDALLION STYLES
   ============================================ */

.central-medallion {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: clamp(180px, 22vw, 320px);
    height: clamp(180px, 22vw, 320px);
    z-index: 1500;
    pointer-events: none;
}

.medallion-glass-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2),
        var(--panel-glass-gradient-3));
    backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    -webkit-backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.5),
        0 0 60px rgba(91,143,168,0.25),
        0 10px 40px var(--shadow-primary);
    animation: medallion-glow-pulse 2.618s ease-in-out infinite;
}

body[data-theme="dark"] .medallion-glass-container {
    box-shadow:
        0 0 0 1px rgba(111,160,184,0.25),
        0 0 60px rgba(111,160,184,0.25),
        0 10px 40px var(--shadow-primary);
}

@keyframes medallion-glow-pulse {
    0%, 100% {
        box-shadow:
            0 0 0 1px rgba(255,255,255,0.5),
            0 0 40px rgba(91,143,168,0.25),
            0 10px 40px var(--shadow-primary);
    }
    50% {
        box-shadow:
            0 0 0 1px rgba(255,255,255,0.5),
            0 0 80px rgba(91,143,168,0.4),
            0 10px 40px var(--shadow-primary);
    }
}

.medallion-glass-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    pointer-events: none;
}

.medallion-glass-base {
    background: linear-gradient(180deg,
        var(--panel-glass-gradient-1) 0%,
        var(--panel-glass-gradient-2) 3.82%,
        var(--panel-glass-gradient-3) 14.6%,
        var(--panel-glass-gradient-4) 61.8%,
        var(--panel-glass-gradient-5) 100%);
}

.medallion-glow {
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    border-radius: 50%;
    background: radial-gradient(circle at center,
        rgba(91,143,168,0.18) 0%,
        rgba(91,143,168,0.08) 30%,
        transparent 70%);
    animation: medallion-outer-glow 3s ease-in-out infinite;
    pointer-events: none;
}

body[data-theme="dark"] .medallion-glow {
    background: radial-gradient(circle at center,
        rgba(111,160,184,0.18) 0%,
        rgba(111,160,184,0.08) 30%,
        transparent 70%);
}

@keyframes medallion-outer-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.medallion-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
}

.medallion-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.eel-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    border-radius: 50%;
    filter: drop-shadow(0 0 10px var(--accent-cyan));
    transition: filter 0.4s ease, transform 0.4s ease;
    display: block;
    margin: 0 auto;
    /* Scale up to fit medallion (SVG has full artboard viewBox) */
    /* Also shift slightly right and up to center within medallion */
    transform: scale(1.85) translateX(1.2%) translateY(-1.5%);
    /* Crisp vector rendering */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.eel-logo-img:hover {
    filter: drop-shadow(0 0 20px var(--accent-cyan)) brightness(1.1);
    transform: scale(1.89) translateX(1.2%) translateY(-1.5%);
}

body[data-theme="dark"] .eel-logo-img {
    filter: drop-shadow(0 0 12px var(--accent-cyan));
}

body[data-theme="dark"] .eel-logo-img:hover {
    filter: drop-shadow(0 0 25px var(--accent-cyan)) brightness(1.15);
}

/* Legacy SVG logo styles (kept for fallback) */
.eel-logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px var(--accent-cyan));
}

body[data-theme="dark"] .eel-logo-svg {
    filter: drop-shadow(0 0 10px var(--accent-cyan));
}

/* ============================================
   PHYSICS TETHERS STYLES
   ============================================ */

/* ============================================
   NAVIGATION PANELS - RADIAL LAYOUT
   ============================================ */

.nav-panel {
    position: fixed;
    width: 15vw;
    min-width: 180px;
    height: 30vh;
    min-height: 240px;
    transform-style: preserve-3d;
    transition: none;
    cursor: move;
    pointer-events: auto;
    z-index: 1000;
    will-change: transform;
    background: transparent;
    border-radius: 20px;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.nav-panel:focus,
.nav-panel:active,
.nav-panel:focus-visible {
    outline: none;
    background: transparent;
}

.nav-panel.dragging {
    z-index: 2000;
    filter: brightness(1.2);
    background: transparent;
    outline: none;
}

.panel-glass-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(180deg,
        var(--panel-glass-gradient-1) 0%,
        var(--panel-glass-gradient-2) 10%,
        var(--panel-glass-gradient-3) 25%,
        var(--panel-glass-gradient-4) 70%,
        var(--panel-glass-gradient-5) 100%);
    backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    -webkit-backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    box-shadow: 
        inset 0 2px 4px var(--glass-shadow-light),
        inset 0 -2px 4px var(--glass-shadow-dark),
        0 0 0 1px rgba(255,255,255,0.5),
        0 10px 40px var(--shadow-primary),
        0 2px 10px var(--shadow-secondary);
    transition: box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="dark"] .panel-glass-container {
    backdrop-filter: blur(40px) saturate(1.3) brightness(0.9);
    -webkit-backdrop-filter: blur(40px) saturate(1.3) brightness(0.9);
    box-shadow: 
        inset 0 2px 4px var(--glass-shadow-light),
        inset 0 -2px 4px var(--glass-shadow-dark),
        0 0 0 1px rgba(111,160,184,0.25),
        0 10px 40px var(--shadow-primary),
        0 2px 10px var(--shadow-secondary);
}

.panel-glass-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    pointer-events: none;
}

.panel-glass-base {
    background: linear-gradient(180deg,
        var(--panel-glass-gradient-1) 0%,
        var(--panel-glass-gradient-2) 3.82%,
        var(--panel-glass-gradient-3) 14.6%,
        var(--panel-glass-gradient-4) 61.8%,
        var(--panel-glass-gradient-5) 100%);
}

.panel-glass-gloss {
    background: linear-gradient(180deg,
        rgba(255,255,255,0.6) 0%,
        rgba(255,255,255,0.3) 2.36%,
        rgba(255,255,255,0.1) 6.18%,
        rgba(255,255,255,0.05) 20%,
        transparent 40%);
    mix-blend-mode: overlay;
}

.panel-glass-reflection {
    background: radial-gradient(ellipse at 50% -10%,
        rgba(255,255,255,0.6) 0%,
        rgba(255,255,255,0.3) 15%,
        rgba(255,255,255,0.15) 30%,
        rgba(255,255,255,0.05) 50%,
        transparent 70%);
    transform-origin: top center;
    opacity: 0.8;
    mix-blend-mode: screen;
}

.panel-glass-refraction {
    background-image: 
        radial-gradient(circle at 38.2% 38.2%, 
            rgba(255,255,255,0.2) 0%, 
            transparent 23.6%),
        radial-gradient(circle at 61.8% 61.8%, 
            rgba(149,196,216,0.12) 0%, 
            transparent 38.2%),
        radial-gradient(circle at 23.6% 76.4%, 
            rgba(255,255,255,0.1) 0%, 
            transparent 38.2%);
    filter: blur(1px);
    animation: refraction-shift 21s infinite ease-in-out;
}

.panel-glass-caustics {
    background-image: 
        radial-gradient(ellipse at 23.6% 38.2%, rgba(91,143,168,0.12) 0%, transparent 38.2%),
        radial-gradient(ellipse at 61.8% 61.8%, rgba(122,172,191,0.1) 0%, transparent 38.2%),
        radial-gradient(ellipse at 76.4% 23.6%, rgba(149,196,216,0.08) 0%, transparent 38.2%);
    animation: caustic-dance 34s infinite linear;
    mix-blend-mode: overlay;
    opacity: 0.618;
}

.panel-glass-bands {
    background-image: repeating-linear-gradient(180deg,
        transparent,
        transparent 20px,
        rgba(255,255,255,0.03) 20px,
        rgba(255,255,255,0.03) 21px,
        transparent 21px,
        transparent 40px,
        rgba(0,0,0,0.02) 40px,
        rgba(0,0,0,0.02) 41px);
    opacity: 0.5;
}

@keyframes refraction-shift {
    0%, 100% { transform: translateY(0); }
    61.8% { transform: translateY(10px); }
}

@keyframes caustic-dance {
    0% { transform: rotate(0deg) scale(1); }
    38.2% { transform: rotate(137deg) scale(1.1); }
    61.8% { transform: rotate(222.5deg) scale(0.95); }
    100% { transform: rotate(360deg) scale(1); }
}

.panel-hologram {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.382s;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(91,143,168,0.03) 2px,
        rgba(91,143,168,0.03) 4px
    );
    animation: hologram-scan 2.618s linear infinite;
    animation-play-state: paused;
}

body[data-theme="dark"] .panel-hologram {
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(111,160,184,0.04) 2px,
        rgba(111,160,184,0.04) 4px
    );
}

@keyframes hologram-scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.nav-panel:hover .panel-hologram {
    opacity: 1;
    animation-play-state: running;
}

.panel-content {
    position: relative;
    padding: 20px;
    padding-bottom: 50px;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
    background: transparent;
}

.panel-icon {
    width: 60px;
    height: 54px;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.panel-icon-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.panel-title {
    font-size: 22px;
    font-weight: 200;
    margin-bottom: 10px;
    color: var(--text-dark);
    letter-spacing: 2px;
    flex-shrink: 0;
}

.panel-description {
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-light);
    opacity: 0.9;
    overflow: hidden;
    flex: 1 1 auto;
    min-height: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    padding-right: 5px;
    word-wrap: break-word;
}

.panel-data {
    position: absolute;
    bottom: 15px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    padding: 6px 0 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-shadow: 
        0 1px 1px rgba(0, 0, 0, 0.5),
        0 -1px 0 rgba(255, 255, 255, 0.1);
    font-weight: 500;
    height: 25px;
    align-items: center;
}

.nav-panel:hover .panel-data {
    opacity: 1;
    color: rgba(126, 200, 227, 1);
}

/* ============================================
   EXPANDED CONTAINER SYSTEM
   ============================================ */

.expanded-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5000;
    pointer-events: none;
    background: transparent;
}

.expanded-overlay.active {
    pointer-events: auto;
}

.expanded-container {
    position: fixed;
    /* Position off-screen initially to prevent blocking top-left area */
    left: -9999px;
    top: -9999px;
    width: 15vw;
    min-width: 180px;
    height: 30vh;
    min-height: 240px;
    z-index: 5001;
    transform-style: preserve-3d;
    transform-origin: center center;
    pointer-events: none;
    opacity: 0;
    transition: none;
    will-change: transform, opacity;
}

.expanded-container.morphing {
    opacity: 1;
    transition: 
        left 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        top 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        width 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        height 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.expanded-container.expanded {
    width: 89% !important;
    height: 89% !important;
    left: 5.5% !important;
    top: 5.5% !important;
    pointer-events: auto;
}

.expanded-glass-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    /* Inherit pointer-events from parent */
    pointer-events: inherit;
    background: linear-gradient(180deg,
        var(--panel-glass-gradient-1) 0%,
        var(--panel-glass-gradient-2) 10%,
        var(--panel-glass-gradient-3) 25%,
        var(--panel-glass-gradient-4) 70%,
        var(--panel-glass-gradient-5) 100%);
    backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    -webkit-backdrop-filter: blur(40px) saturate(1.618) brightness(1.1);
    box-shadow: 
        inset 0 2px 4px var(--glass-shadow-light),
        inset 0 -2px 4px var(--glass-shadow-dark),
        0 0 0 1px rgba(255,255,255,0.5),
        0 10px 40px var(--shadow-primary),
        0 2px 10px var(--shadow-secondary);
    transition: box-shadow 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="dark"] .expanded-glass-container {
    backdrop-filter: blur(40px) saturate(1.3) brightness(0.9);
    -webkit-backdrop-filter: blur(40px) saturate(1.3) brightness(0.9);
    box-shadow: 
        inset 0 2px 4px var(--glass-shadow-light),
        inset 0 -2px 4px var(--glass-shadow-dark),
        0 0 0 1px rgba(111,160,184,0.25),
        0 10px 40px var(--shadow-primary),
        0 2px 10px var(--shadow-secondary);
}

.expanded-container.expanded .expanded-glass-container {
    box-shadow: 
        inset 0 2px 4px var(--glass-shadow-light),
        inset 0 -2px 4px var(--glass-shadow-dark),
        0 0 0 1px rgba(255,255,255,0.5),
        0 20px 60px rgba(0,0,0,0.4),
        0 5px 20px var(--shadow-primary);
}

.expanded-glass-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    pointer-events: none;
}

.expanded-glass-base {
    background: linear-gradient(180deg,
        var(--panel-glass-gradient-1) 0%,
        var(--panel-glass-gradient-2) 3.82%,
        var(--panel-glass-gradient-3) 14.6%,
        var(--panel-glass-gradient-4) 61.8%,
        var(--panel-glass-gradient-5) 100%);
}

.expanded-content {
    position: relative;
    padding: 50px;
    z-index: 1;
    pointer-events: auto;
    opacity: 0;
    transform: translateY(20px);
    transition: 
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    background: transparent;
    border-radius: 20px;
}

.expanded-container.expanded .expanded-content {
    opacity: 1;
    transform: translateY(0);
    transition: 
        opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s,
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.expanded-content::-webkit-scrollbar {
    width: 8px;
}

.expanded-content::-webkit-scrollbar-track {
    background: var(--glass-white);
    border-radius: 10px;
}

.expanded-content::-webkit-scrollbar-thumb {
    background: rgba(91,143,168,0.5);
    border-radius: 10px;
}

body[data-theme="dark"] .expanded-content::-webkit-scrollbar-thumb {
    background: rgba(111,160,184,0.5);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2));
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 28px;
    line-height: 1;
    font-family: 'Arial', 'Helvetica', sans-serif;
    color: var(--text-dark);
    font-weight: 300;
    opacity: 0;
    transform: scale(0.8) rotate(-90deg);
    transition:
        background 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.5s,
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
    text-align: center;
    padding: 0;
    padding-bottom: 2px;
}

.expanded-container.expanded .close-btn {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.close-btn:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 0 30px rgba(91,143,168,0.5);
    background: linear-gradient(135deg,
        rgba(91,143,168,0.4),
        rgba(91,143,168,0.2));
    color: white;
}

/* Content Styling */
.expanded-title {
    font-size: 48px;
    font-weight: 200;
    color: var(--text-dark);
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: 4px;
}

.content-section {
    margin-bottom: 40px;
    padding: 30px;
    border-radius: 15px;
    background: linear-gradient(135deg,
        var(--glass-white),
        var(--glass-blue));
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.section-title {
    font-size: 24px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.project-card {
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2));
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-primary);
}

.project-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg,
        rgba(91,143,168,0.18),
        rgba(122,172,191,0.1));
    border-radius: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 12px;
}

.project-title {
    font-size: 18px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.project-description {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(91,143,168,0.18);
    border-radius: 20px;
    font-size: 10px;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}

body[data-theme="dark"] .project-tag {
    background: rgba(111,160,184,0.18);
}

.people-section {
    margin-bottom: 40px;
}

.people-section-title {
    font-size: 20px;
    font-weight: 300;
    color: var(--accent-cyan);
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.person-card {
    position: relative;
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2));
    border-radius: 15px;
    padding: 25px;
    padding-bottom: 45px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.person-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--shadow-primary);
}

/* LinkedIn Icon Styles */
.linkedin-link {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        var(--glass-white),
        var(--glass-blue));
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.linkedin-link:hover {
    transform: scale(1.15);
    background: linear-gradient(135deg,
        rgba(91, 143, 168, 0.3),
        rgba(91, 143, 168, 0.15));
    box-shadow: 
        0 0 15px rgba(91, 143, 168, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
    border-color: var(--accent-cyan);
}

body[data-theme="dark"] .linkedin-link:hover {
    background: linear-gradient(135deg,
        rgba(111, 160, 184, 0.3),
        rgba(111, 160, 184, 0.15));
    box-shadow: 
        0 0 15px rgba(111, 160, 184, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
}

.linkedin-icon {
    width: 16px;
    height: 16px;
    fill: var(--accent-cyan);
    transition: fill 0.3s ease, filter 0.3s ease;
}

.linkedin-link:hover .linkedin-icon {
    fill: var(--text-dark);
    filter: drop-shadow(0 0 3px var(--accent-cyan));
}

body[data-theme="dark"] .linkedin-link:hover .linkedin-icon {
    fill: #ffffff;
    filter: drop-shadow(0 0 3px var(--accent-cyan));
}

.person-image {
    width: 120px;
    height: 160px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg,
        rgba(91,143,168,0.18),
        rgba(122,172,191,0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 11px;
}

.person-name {
    font-size: 18px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.person-role {
    font-size: 12px;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.person-bio {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    text-align: left;
}

/* Featured Team Member Cards */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 25px;
}

.director-grid {
    display: flex;
    justify-content: center;
}

.featured-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px 20px 20px;
    gap: 0;
}

.featured-card .person-image {
    width: 120px;
    height: 150px;
    min-width: 120px;
    margin: 0 0 16px 0;
    border-radius: 12px;
    overflow: hidden;
}

.featured-card .person-headshot {
    width: 120px;
    height: 150px;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid var(--glass-border);
}

.person-name-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 4px;
}

.featured-card .person-name {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 0;
}

.featured-card .linkedin-link {
    position: static;
    display: inline-flex;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.person-details {
    font-size: 12px;
    color: var(--accent-cyan);
    font-weight: 300;
}

.person-graduation {
    font-size: 11px;
    color: var(--text-light);
    opacity: 0.8;
    margin-bottom: 10px;
}

.featured-card .person-bio {
    font-size: 12px;
    line-height: 1.6;
    text-align: left;
}

.placeholder-image {
    background: linear-gradient(135deg,
        var(--accent-cyan),
        var(--neural-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image span {
    color: white;
    font-size: 24px;
    font-weight: 300;
    text-transform: uppercase;
}

.featured-card .placeholder-image span {
    font-size: 32px;
}

.director-card {
    max-width: 300px;
}

.director-card .person-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
}

.director-card .placeholder-image span {
    font-size: 42px;
}

/* Responsive adjustments for featured cards */
@media (max-width: 768px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }

    .featured-card .person-bio {
        text-align: center;
    }
}

.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    text-align: justify;
}

.opportunities-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.opportunity-card {
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2));
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--glass-border);
}

.opportunity-title {
    font-size: 20px;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.opportunity-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.apply-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg,
        rgba(91,143,168,0.28),
        rgba(91,143,168,0.18));
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s;
    margin-top: 30px;
}

body[data-theme="dark"] .apply-button {
    background: linear-gradient(135deg,
        rgba(111,160,184,0.28),
        rgba(149,196,216,0.18));
}

.apply-button:hover {
    background: linear-gradient(135deg,
        rgba(91,143,168,0.45),
        rgba(91,143,168,0.28));
    box-shadow: 0 0 30px rgba(91,143,168,0.35);
    transform: translateY(-2px);
}

/* Join Us Panel Content */
.join-poster {
    text-align: center;
    margin-bottom: 30px;
}

.join-poster-img {
    max-width: 340px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.join-requirements {
    margin: 30px 0;
    padding: 25px;
    background: linear-gradient(135deg,
        var(--panel-glass-gradient-1),
        var(--panel-glass-gradient-2));
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.requirements-title {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.requirements-list li::before {
    content: '\25C6';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-size: 10px;
    top: 4px;
}

.join-cta {
    margin-top: 35px;
    text-align: center;
}

.apply-now-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 45px;
    background: linear-gradient(135deg,
        rgba(91, 143, 168, 0.35),
        rgba(91, 143, 168, 0.2));
    backdrop-filter: blur(20px);
    border: 2px solid var(--accent-cyan);
    border-radius: 0;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.apply-now-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(91, 143, 168, 0.3),
        transparent);
    transition: left 0.5s ease;
}

.apply-now-btn:hover {
    background: linear-gradient(135deg,
        rgba(91, 143, 168, 0.5),
        rgba(91, 143, 168, 0.35));
    box-shadow: 0 0 40px rgba(91, 143, 168, 0.4);
    transform: translateY(-3px);
}

.apply-now-btn:hover::before {
    left: 100%;
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-icon {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.apply-now-btn:hover .btn-icon svg {
    transform: translateX(5px);
}

body[data-theme="dark"] .apply-now-btn {
    background: linear-gradient(135deg,
        rgba(111, 160, 184, 0.35),
        rgba(149, 196, 216, 0.2));
    border-color: var(--accent-cyan);
}

body[data-theme="dark"] .apply-now-btn:hover {
    background: linear-gradient(135deg,
        rgba(111, 160, 184, 0.5),
        rgba(149, 196, 216, 0.35));
}

/* ============================================
   ENGINEERING NODE NETWORK
   ============================================ */

.engineering-network {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* Between three-canvas (z-index: 3) and cyberspace (z-index: 100) */
    z-index: 50;
}

/* Ensure all SVG elements within the network don't intercept clicks */
.engineering-network * {
    pointer-events: none;
}

/* ============================================
   FADE ELEMENTS
   ============================================ */

.fade-element {
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0s;
}

.js-positioned {
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                visibility 0s linear 0.4s;
}

.js-positioned.ready {
    visibility: visible !important;
    opacity: 1 !important;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0s linear 0s;
}

.nav-panel.fade-element.hidden,
.chrome-title.fade-element.hidden,
.subtitle.fade-element.hidden,
.central-medallion.fade-element.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                visibility 0s linear 0.5s !important;
}

.nav-panel.fade-element.hidden {
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
}

/* ============================================
   CHROME CURSOR
   ============================================ */

.chrome-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    pointer-events: none;
    z-index: 100000;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
}

.cursor-core {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, 
        rgba(255,255,255,0.9) 0%,
        rgba(255,255,255,0.5) 38.2%,
        transparent 61.8%);
    border-radius: 50%;
    filter: blur(2px);
}

.cursor-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 50%;
    animation: cursor-pulse 1.618s infinite;
}

@keyframes cursor-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    61.8% { transform: scale(1.618); opacity: 0; }
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */

.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    z-index: 100001;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    outline: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: toggle-entrance 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s backwards;
}

@keyframes toggle-entrance {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

.theme-toggle-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(91, 143, 168, 0.1) 100%);
    backdrop-filter: blur(20px) saturate(1.618);
    -webkit-backdrop-filter: blur(20px) saturate(1.618);
    border: 1px solid rgba(91, 143, 168, 0.3);
    box-shadow: 
        inset 0 2px 4px rgba(255, 255, 255, 0.3),
        inset 0 -2px 4px rgba(0, 0, 0, 0.1),
        0 0 20px rgba(91, 143, 168, 0.2),
        0 5px 15px rgba(0, 0, 0, 0.2);
    transform-style: preserve-3d;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="dark"] .theme-toggle-container {
    background: linear-gradient(135deg,
        rgba(111, 160, 184, 0.12) 0%,
        rgba(149, 196, 216, 0.06) 50%,
        rgba(128, 176, 200, 0.1) 100%);
    border: 1px solid rgba(111, 160, 184, 0.25);
    box-shadow: 
        inset 0 2px 4px rgba(111, 160, 184, 0.2),
        inset 0 -2px 4px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(111, 160, 184, 0.2),
        0 5px 15px rgba(0, 0, 0, 0.3);
}

.theme-toggle:hover .theme-toggle-container {
    transform: scale(1.1) rotateZ(10deg);
    box-shadow: 
        inset 0 2px 4px rgba(255, 255, 255, 0.4),
        inset 0 -2px 4px rgba(0, 0, 0, 0.1),
        0 0 30px rgba(91, 143, 168, 0.5),
        0 5px 20px rgba(0, 0, 0, 0.2);
}

.theme-toggle-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sun-icon {
    position: absolute;
    width: 16px;
    height: 16px;
    background: transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.sun-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--accent-cyan);
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    box-shadow: 
        0 0 20px var(--accent-cyan),
        inset 0 0 10px rgba(255, 255, 255, 0.5);
}

.sun-rays {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: sun-rotate 20s linear infinite;
}

.sun-ray-1,
.sun-ray-2,
.sun-ray-3 {
    position: absolute;
    width: 100%;
    height: 100%;
}

.sun-ray-1::before,
.sun-ray-1::after,
.sun-ray-2::before,
.sun-ray-2::after,
.sun-ray-3::before,
.sun-ray-3::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 6px;
    background: var(--accent-cyan);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.sun-ray-1 { transform: rotate(0deg); }
.sun-ray-1::before { top: -18px; }
.sun-ray-1::after { bottom: -18px; transform: translateX(-50%) rotate(180deg); }

.sun-ray-2 { transform: rotate(60deg); }
.sun-ray-2::before { top: -18px; }
.sun-ray-2::after { bottom: -18px; transform: translateX(-50%) rotate(180deg); }

.sun-ray-3 { transform: rotate(120deg); }
.sun-ray-3::before { top: -18px; }
.sun-ray-3::after { bottom: -18px; transform: translateX(-50%) rotate(180deg); }

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

.moon-icon {
    position: absolute;
    width: 24px;
    height: 24px;
    background: transparent;
    opacity: 0;
    transform: scale(0.5) rotate(-180deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.moon-icon::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, 
        var(--accent-cyan) 0%, 
        #95C4D8 50%,
        #6FA0B8 100%);
    border-radius: 50%;
    box-shadow: 
        0 0 25px var(--accent-cyan),
        inset -3px -3px 10px rgba(0, 0, 0, 0.3);
    top: 2px;
    left: 2px;
}

.moon-icon::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--bg-gradient-1);
    border-radius: 50%;
    top: 0px;
    right: 2px;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.2);
}

.moon-stars {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}

.star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: transparent;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    background: var(--accent-cyan);
    box-shadow: 0 0 5px var(--accent-cyan);
}

.star-1 { top: -12px; left: -12px; animation: twinkle 3s infinite; transform: scale(1.2); }
.star-2 { top: -8px; right: -14px; animation: twinkle 3s infinite 0.5s; transform: scale(0.8); }
.star-3 { bottom: -10px; left: -10px; animation: twinkle 3s infinite 1s; transform: scale(1); }
.star-4 { bottom: -12px; right: -12px; animation: twinkle 3s infinite 1.5s; transform: scale(0.9); }

@keyframes twinkle {
    0%, 100% { opacity: 0; transform: scale(0.5) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.2) rotate(180deg); }
}

body[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: scale(0.5) rotate(180deg);
}

body[data-theme="dark"] .sun-rays {
    opacity: 0;
}

body[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

body[data-theme="dark"] .moon-stars {
    opacity: 1;
}

.theme-toggle.toggling .theme-toggle-container {
    animation: toggle-pulse 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes toggle-pulse {
    0% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.15) rotate(90deg); }
    50% { transform: scale(1.2) rotate(180deg); }
    75% { transform: scale(1.15) rotate(270deg); }
    100% { transform: scale(1) rotate(360deg); }
}

.theme-toggle:focus-visible .theme-toggle-container {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 4px;
}

.theme-toggle-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.theme-toggle {
    cursor: pointer !important;
}

.theme-toggle * {
    cursor: pointer !important;
}

/* ============================================
   DEBUG PANEL
   ============================================ */

#debug {
    position: fixed;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 10px;
    font-family: monospace;
    font-size: 12px;
    z-index: 100000;
    max-width: 300px;
    display: none;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

@media screen and (max-height: 600px) {
    .chrome-title {
        top: max(5%, 40px);
        font-size: clamp(50px, 9vw, 80px);
        letter-spacing: clamp(10px, 2vw, 20px);
    }
    .subtitle {
        top: calc(max(5%, 40px) + clamp(60px, 10vw, 100px));
        font-size: clamp(10px, 1.1vw, 12px);
        letter-spacing: clamp(3px, 0.6vw, 6px);
    }
}

@media screen and (max-width: 768px) {
    .chrome-title {
        font-size: clamp(45px, 12vw, 80px);
        letter-spacing: clamp(8px, 3vw, 20px);
    }
    .subtitle {
        font-size: clamp(9px, 1.5vw, 12px);
        letter-spacing: clamp(2px, 0.8vw, 5px);
    }
    .theme-toggle {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* ============================================
   MOBILE PORTRAIT MODE STYLES
   ============================================ */

@media screen and (orientation: portrait) and (max-width: 768px) and (hover: none) and (pointer: coarse) {
    body {
        overflow-y: auto !important;
        overflow-x: hidden !important;
        height: auto !important;
        min-height: 100vh;
        cursor: auto !important;
    }
    
    * {
        cursor: auto !important;
    }
    
    .chrome-cursor,
    .design-grid,
    .engineering-network,
    #three-canvas {
        display: none !important;
    }
    
    .chrome-grid {
        display: none;
    }
    
    .tethers-container {
        display: none !important;
    }
    
    .organic-nebula {
        position: fixed;
        pointer-events: none;
    }
    
    .nebula-blob {
        filter: blur(50px);
        opacity: 0.3;
    }
    
    .cyberspace {
        position: relative !important;
        width: 100%;
        height: auto;
        transform: none !important;
        animation: none !important;
        pointer-events: auto !important;
        padding: 20px 16px 100px 16px;
        z-index: 10;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .chrome-title {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
        margin-bottom: 10px;
        margin-top: 20px;
        z-index: 20;
    }
    
    .subtitle {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        margin-bottom: 20px;
        z-index: 20;
    }
    
    .central-medallion {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        transform: none !important;
        width: 150px;
        height: 150px;
        margin-bottom: 20px;
    }
    
    .nav-panel {
        position: relative !important;
        width: 100% !important;
        height: 30vh !important;
        min-height: 240px !important;
        transform: none !important;
        left: auto !important;
        top: auto !important;
        right: auto !important;
        bottom: auto !important;
        margin: 0 0 20px 0 !important;
        z-index: 30;
    }
    
    .expanded-container.expanded {
        width: 95% !important;
        height: 92% !important;
        left: 2.5% !important;
        top: 4% !important;
    }
}

body.mobile-portrait {
    overflow-y: auto !important;
    overflow-x: hidden !important;
    height: auto !important;
    min-height: 100vh;
}

body.mobile-portrait * {
    cursor: auto !important;
}

body.mobile-portrait .chrome-cursor,
body.mobile-portrait .engineering-network,
body.mobile-portrait #three-canvas {
    display: none !important;
}

body.mobile-portrait .tethers-container {
    display: none !important;
}

body.mobile-portrait .cyberspace {
    position: relative !important;
    width: 100%;
    height: auto;
    transform: none !important;
    animation: none !important;
    padding: 20px 16px 100px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

body.mobile-portrait .nav-panel {
    position: relative !important;
    width: 100% !important;
    height: 30vh !important;
    min-height: 240px !important;
    transform: none !important;
    left: auto !important;
    top: auto !important;
}

body.mobile-portrait .central-medallion {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    width: 150px;
    height: 150px;
}

body.mobile-portrait .chrome-title,
body.mobile-portrait .subtitle {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
}

/* ============================================
   CIRCUIT GRID MATRIX STYLES
   ============================================ */

.circuit-grid-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}

/* Grid Background Lines */
.circuit-grid-line {
    stroke: var(--accent-cyan);
    stroke-width: 0.5;
    opacity: 0.06;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

body[data-theme="dark"] .circuit-grid-line {
    stroke: var(--accent-cyan);
    opacity: 0.08;
}

/* Trace Glow (wider, behind main trace) */
.circuit-trace-glow {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.15;
    transition: stroke 0.4s ease, opacity 0.4s ease;
    pointer-events: none;
}

body[data-theme="dark"] .circuit-trace-glow {
    stroke: var(--accent-cyan);
    opacity: 0.2;
}

/* Main Trace Path */
.circuit-trace {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.5;
    stroke-dasharray: 8 4;
    animation: trace-flow 1s linear infinite;
    transition: stroke 0.4s ease, opacity 0.4s ease;
    pointer-events: none;
}

body[data-theme="dark"] .circuit-trace {
    stroke: var(--accent-cyan);
    opacity: 0.6;
}

@keyframes trace-flow {
    0% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -24;
    }
}

/* Junction Nodes (at turns) */
.circuit-junction {
    fill: var(--accent-cyan);
    opacity: 0.6;
    transition: fill 0.4s ease, opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    transform-box: fill-box;
    transform-origin: center;
}

.circuit-junction.pulsing {
    opacity: 1;
    fill: #ffffff;
    animation: junction-pulse 0.3s ease-out;
}

body[data-theme="dark"] .circuit-junction {
    fill: var(--accent-cyan);
    opacity: 0.7;
}

body[data-theme="dark"] .circuit-junction.pulsing {
    fill: #ffffff;
}

@keyframes junction-pulse {
    0% {
        transform: rotate(45deg) scale(1);
        opacity: 1;
    }
    50% {
        transform: rotate(45deg) scale(1.5);
        opacity: 0.8;
    }
    100% {
        transform: rotate(45deg) scale(1);
        opacity: 0.6;
    }
}

/* Endpoint Nodes (on panel edge) */
.circuit-endpoint {
    fill: var(--accent-cyan);
    opacity: 0.8;
    transition: fill 0.4s ease, opacity 0.4s ease;
    pointer-events: none;
}

body[data-theme="dark"] .circuit-endpoint {
    fill: var(--accent-cyan);
    opacity: 0.9;
}

/* Medallion Port (connection point at medallion edge) */
.circuit-medallion-port {
    fill: var(--accent-cyan);
    opacity: 0.9;
    transition: fill 0.4s ease, opacity 0.4s ease;
    filter: drop-shadow(0 0 4px var(--accent-cyan));
    pointer-events: none;
}

.circuit-medallion-port.pulsing {
    opacity: 1;
    fill: #ffffff;
    animation: medallion-port-pulse 0.3s ease-out;
}

body[data-theme="dark"] .circuit-medallion-port {
    fill: var(--accent-cyan);
    opacity: 1;
    filter: drop-shadow(0 0 6px var(--accent-cyan));
}

body[data-theme="dark"] .circuit-medallion-port.pulsing {
    fill: #ffffff;
}

@keyframes medallion-port-pulse {
    0% {
        r: 5;
        opacity: 1;
    }
    50% {
        r: 8;
        opacity: 0.8;
    }
    100% {
        r: 5;
        opacity: 0.9;
    }
}

/* Data Packets */
.circuit-packet {
    fill: #ffffff;
    opacity: 0.95;
    transition: fill 0.4s ease;
    pointer-events: none;
    transform-box: fill-box;
    transform-origin: center;
}

body[data-theme="dark"] .circuit-packet {
    fill: #ffffff;
}

.circuit-packet-glow {
    fill: var(--accent-cyan);
    opacity: 0.6;
    transition: fill 0.4s ease;
    pointer-events: none;
}

body[data-theme="dark"] .circuit-packet-glow {
    fill: var(--accent-cyan);
    opacity: 0.7;
}

/* Gradient Stops for traces */
.trace-gradient-start {
    stop-color: var(--neural-blue);
    stop-opacity: 0.3;
}

.trace-gradient-mid {
    stop-color: var(--accent-cyan);
    stop-opacity: 0.8;
}

.trace-gradient-end {
    stop-color: var(--accent-cyan);
    stop-opacity: 0.5;
}

body[data-theme="dark"] .trace-gradient-start {
    stop-color: var(--neural-blue);
    stop-opacity: 0.4;
}

body[data-theme="dark"] .trace-gradient-mid {
    stop-color: var(--accent-cyan);
    stop-opacity: 0.9;
}

body[data-theme="dark"] .trace-gradient-end {
    stop-color: var(--accent-cyan);
    stop-opacity: 0.6;
}