:root {
    --bg-color: #030409;
    --card-bg: rgba(20, 22, 35, 0.6);
    --card-border: rgba(94, 106, 210, 0.2);
    --text-color: #f1f1f1;
    --text-muted: #9ba1b9;
    --accent: #5e6ad2;
    --accent-glow: rgba(94, 106, 210, 0.4);
    
    --font-display: 'Cinzel', serif;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #050505;
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(50, 20, 80, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(20, 30, 80, 0.3) 0%, transparent 40%);
    color: var(--text-color);
    font-family: var(--font-sans);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}



/* Layout */
.split-layout {
    display: block;
    width: 100%;
    position: relative;
}

/* Foreground Content */
.content-column {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 5vh 5vw;
    position: relative;
    z-index: 2;
}

.content-inner {
    width: 100%;
}

.phase-header {
    text-align: center;
    margin: 8rem 0 4rem;
}

.phase-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 5rem);
    background: linear-gradient(90deg, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.phase-header p {
    font-size: 1.5rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Card Grid for balanced layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
    margin-bottom: 6rem;
}

/* Background 3D Canvas */
.canvas-column {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none; /* Let clicks pass through to content */
    background: transparent;
}

#webgl-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.canvas-overlay {
    position: fixed;
    bottom: 30px;
    right: 30px;
    pointer-events: none;
    z-index: 1;
}

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

/* Typography & Hero */
h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 6rem);
    line-height: 1;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.6), 0 0 30px rgba(0, 229, 255, 0.2);
}

h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

p {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.highlight-text {
    font-family: var(--font-mono);
    color: #f1f1f1;
    background: rgba(255,255,255,0.05);
    padding: 5px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 5px;
}

.eyebrow {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: block;
}

.hero-section {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 10vh;
}

/* Glass Cards & Infographic Grid */
.infographic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 5vh;
}

.section-block {
    margin-bottom: 5vh;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2.5rem;
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: top 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    top: 0;
}

.glass-card:hover {
    border-color: rgba(94, 106, 210, 0.8);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.3), 0 0 60px rgba(255, 0, 127, 0.15);
    top: -12px;
}

.glass-card::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 20px;
}

.glass-card.full-width {
    grid-column: 1 / -1;
}

.img-border-wrapper {
    border: 2px solid #ffffff !important;
    border-radius: 8px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.05);
    display: inline-block;
    max-width: 100%;
}
.img-border-wrapper img {
    display: block;
    border-radius: 4px;
}

.diagram-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
    display: block;
    border-top: 1px dashed rgba(255,255,255,0.1);
    padding-top: 0.5rem;
}

/* Text Split Utilities */
.split-text {
    display: flex;
    gap: 2rem;
}
.split-text > div {
    flex: 1;
}
.align-center {
    align-items: center;
}

.three-col-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Lists and Tables */
.icon-list {
    list-style: none;
    margin-top: 1rem;
}
.icon-list li {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.three-col-grid ul {
    list-style: none;
}
.three-col-grid li {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1rem;
}
.three-col-grid li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.bio-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
.bio-table th {
    text-align: left;
    padding: 1rem;
    border-bottom: 2px solid var(--card-border);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
}
.bio-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
}
.bio-table tr:last-child td {
    border-bottom: none;
}

.code-box {
    background: #0a0b10;
    border: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-top: 1rem;
    color: #ccc;
}

.bottom-spacer {
    height: 10vh;
}

/* Scroll Indication */
.mouse {
    width: 20px;
    height: 30px;
    border: 1px solid var(--text-muted);
    border-radius: 10px;
    position: relative;
}
.mouse::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}
@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 10px); opacity: 0; }
}

/* GSAP classes (handled by JS, no initial hiding) */
.fade-up {}

/* Responsive */
@media (max-width: 1024px) {
    .split-layout {
        flex-direction: column-reverse;
    }
    .canvas-column {
        width: 100%;
        height: 50vh;
        position: relative;
        border-left: none;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .content-column {
        width: 100%;
    }
    .infographic-grid {
        grid-template-columns: 1fr;
    }
    .split-text {
        flex-direction: column;
        gap: 1rem;
    }
    .three-col-grid {
        grid-template-columns: 1fr;
}

@media (max-width: 768px) {
    body {
        background-image: none !important; /* Thermal Management rule */
    }
    .glass-card {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        box-shadow: none !important;
    }
}