:root {
    --bg-dark: #070709;
    --bg-card: #111114;
    --text-main: #e8e8ea;
    --text-dim: #7a7a82;
    --accent-glow: #00f0ff;
    --accent-alert: #ff4a4a;
    --accent-gold: #ffcc00;
    --border-color: rgba(255, 255, 255, 0.05);
    --grid-line: rgba(0, 240, 255, 0.02);

    --font-serif: 'EB Garamond', serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Lab Monitor Overlay */
.monitor-scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
    background-size: 100% 3px, 3px 100%;
    pointer-events: none;
    z-index: 100;
}

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
    z-index: 99;
}

.background-blueprint {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
}

/* Page Container */
.paik-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 40px;
}

/* Hero Section */
.header-main {
    margin-bottom: 120px;
}

.system-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 30px;
}

.status-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--accent-glow);
    border-radius: 50%;
    margin-right: 8px;
    animation: blink 3s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 10px var(--accent-glow); }
    50% { opacity: 0.2; transform: scale(0.8); box-shadow: 0 0 0px var(--accent-glow); }
}

.hero-section {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    align-items: center;
}

.portrait-container {
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 90% 100%, 0 100%);
    border: 1px solid var(--accent-glow);
}

.paik-portrait {
    width: 100%;
    display: block;
    filter: grayscale(0.2) contrast(1.1);
    transition: transform 0.5s ease;
}

.hero-text .main-title {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.9;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.role-desc {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.philosophy-manifesto {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-style: italic;
    color: var(--text-main);
    max-width: 600px;
    line-height: 1.4;
}

.nav-shortcuts {
    margin-top: 50px;
    display: flex;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-glow);
    opacity: 0.8;
}

.shortcut {
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.shortcut:hover {
    opacity: 1;
    border-bottom-color: var(--accent-glow);
}

/* Main Cards */
.logic-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 60px;
    margin-bottom: 60px;
    position: relative;
    box-shadow: 0 15px 50px -25px rgba(0, 0, 0, 0.5);
}

.law-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.law-id {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-glow);
    border: 1px solid var(--accent-glow);
    padding: 4px 12px;
    letter-spacing: 0.05em;
}

.law-header h3 {
    font-size: 2rem;
    font-weight: 700;
}

.law-summary {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 800px;
    margin-bottom: 50px;
}

/* Experience Timeline */
.timeline-paik {
    border-left: 1px dashed var(--border-color);
    padding-left: 30px;
    margin-left: 10px;
}

.t-item {
    position: relative;
    margin-bottom: 30px;
}

.t-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 10px;
    width: 7px;
    height: 7px;
    background: var(--text-dim);
    border-radius: 50%;
}

.t-item.highlight::before {
    background: var(--accent-glow);
    box-shadow: 0 0 10px var(--accent-glow);
}

.t-year {
    font-family: var(--font-mono);
    color: var(--accent-glow);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 5px;
}

.t-item strong {
    color: #fff;
    font-weight: 600;
}

/* Atomic Exchange Content */
.exchange-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.diag-img {
    width: 100%;
    border: 1px solid var(--border-color);
    background: #000;
}

.example-box {
    background: rgba(0, 0, 0, 0.4);
    padding: 30px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.example-box h5 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-glow);
    margin-bottom: 15px;
}

.example-box ul {
    list-style: none;
}

.example-box li {
    font-size: 0.95rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.example-box li strong {
    color: var(--accent-glow);
}

.law-checklist {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.check-item {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-dim);
}

.check-item span {
    color: var(--accent-glow);
    margin-right: 15px;
}

/* Isotope Matrix */
.isotope-matrix table {
    width: 100%;
    border-collapse: collapse;
}

.isotope-matrix th, .isotope-matrix td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.isotope-matrix th {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

.insight-box {
    margin-top: 40px;
    padding: 30px;
    background: rgba(0, 240, 255, 0.05);
    border-left: 4px solid var(--accent-glow);
    font-style: italic;
    color: #fff;
}

/* Genetic Matrix Table Expanded */
.matrix-table.expanded {
    overflow-x: auto;
}

.matrix-table table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

.matrix-table th {
    padding: 25px 20px;
    background: rgba(255, 255, 255, 0.02);
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    border-bottom: 2px solid var(--border-color);
}

.td-header { color: var(--accent-glow); border-bottom-color: var(--accent-glow) !important; }
.bu-header { color: #aaa; }

.matrix-table td {
    padding: 25px 20px;
    border-bottom: 1px solid var(--border-color);
}

.matrix-table .dim {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
}

.matrix-table td:nth-child(2) { color: var(--accent-glow); }
.matrix-table td:nth-child(3) { color: #ccc; }

/* Container Section */
.payload-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.p-card {
    padding: 30px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.p-card.highlighted {
    border-color: var(--accent-glow);
    background: rgba(0, 240, 255, 0.03);
}

.p-card h5 {
    color: var(--accent-glow);
    margin-bottom: 15px;
    font-family: var(--font-mono);
}

.prediction-tags {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 5px 12px;
    border: 1px solid var(--border-color);
    color: var(--text-dim);
}

/* Question Grid */
.question-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.q-item {
    padding: 30px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.q-item.highlight-red {
    border-color: var(--accent-alert);
}

.q-item h6 {
    font-family: var(--font-mono);
    color: var(--accent-glow);
    font-size: 0.75rem;
    margin-bottom: 15px;
}

.q-item.highlight-red h6 {
    color: var(--accent-alert);
}

/* Footer Section */
.footer-main {
    margin-top: 150px;
    padding-top: 80px;
    border-top: 1px solid var(--border-color);
}

.conclusion-manifesto {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    line-height: 1.3;
}

.terminal-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-glow);
    opacity: 0.6;
}

/* Reveal Component */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .portrait-container {
        width: 280px;
        margin: 0 auto;
    }

    .philosophy-manifesto {
        margin: 0 auto;
    }

    .nav-shortcuts {
        justify-content: center;
    }

    .exchange-content {
        grid-template-columns: 1fr;
    }

    .payload-comparison {
        grid-template-columns: 1fr;
    }

    .question-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 3.5rem;
    }

    .logic-card {
        padding: 40px 25px;
    }
}