:root {
    --bg-dark: #0a0a0c;
    --bg-card: #141417;
    --text-main: #e0e0e0;
    --text-dim: #888888;
    --accent-glow: #00ffff;
    --accent-alert: #ff3e3e;
    --border-color: rgba(255, 255, 255, 0.08);
    --grid-line: rgba(0, 255, 255, 0.03);

    --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 Effects */
.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, 0.25) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    background-size: 100% 2px, 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 40%, rgba(0, 0, 0, 0.6) 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: 50px 50px;
    z-index: -1;
}

/* Container */
.paik-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 100px 40px;
}

/* Header */
.header-main {
    margin-bottom: 100px;
    border-left: 4px solid var(--accent-glow);
    padding-left: 40px;
}

.system-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-glow);
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-glow);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 10px var(--accent-glow);
    animation: blink 2s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.main-title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 10px;
}

.role-desc {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: 1rem;
    margin-bottom: 40px;
}

.philosophy-manifesto {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-main);
    max-width: 600px;
}

.nav-shortcuts {
    margin-top: 40px;
    display: flex;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-glow);
}

/* Cards */
.logic-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 60px;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

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

.law-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-glow);
    border: 1px solid var(--accent-glow);
    padding: 4px 10px;
}

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

.law-summary {
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 700px;
    margin-bottom: 40px;
}

/* Atomic Exchange Visual */
.exchange-visual {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 60px 0;
    position: relative;
    padding: 0 40px;
}

.side {
    text-align: center;
    width: 200px;
    border: 1px solid var(--border-color);
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
}

.entity {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.payload {
    font-weight: bold;
    color: var(--accent-glow);
}

.exchange-core {
    font-size: 2.5rem;
    z-index: 2;
}

.energy-flow {
    position: absolute;
    top: 50%;
    left: 200px;
    right: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
    z-index: 1;
}

/* Isotope Chart */
.isotope-chart {
    height: 300px;
    margin: 40px 0;
    position: relative;
    border-left: 1px solid var(--text-dim);
    border-bottom: 1px solid var(--text-dim);
}

.decay-svg {
    width: 100%;
    height: 100%;
}

.decay-line {
    fill: none;
    stroke: var(--accent-glow);
    stroke-width: 3;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.marker {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    bottom: -25px;
    color: var(--text-dim);
}

.marker.peak {
    color: var(--accent-glow);
    bottom: initial;
    top: 10px;
}

/* Matrix Table */
.matrix-table table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
}

.matrix-table th {
    text-align: left;
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-dim);
}

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

.td-col {
    color: var(--accent-glow);
}

.bu-col {
    color: #c0c0c0;
}

/* Transformation Grid */
.transformation-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.t-item {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.t-item.active {
    border-color: var(--accent-glow);
    background: rgba(0, 255, 255, 0.05);
}

.arrow {
    color: var(--accent-glow);
}

/* Question List */
.question-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.q-card.alert {
    border-color: var(--accent-alert);
}

.q-card h5 {
    color: var(--accent-glow);
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.q-card.alert h5 {
    color: var(--accent-alert);
}

/* Footer */
.footer-main {
    margin-top: 100px;
    padding-top: 60px;
    border-top: 1px solid var(--border-color);
}

.terminal-footer {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-glow);
    margin-bottom: 40px;
}

.term-line {
    margin-bottom: 8px;
    opacity: 0.7;
}

.meta-data {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (max-width: 768px) {
    .logic-card {
        padding: 30px;
    }

    .exchange-visual {
        flex-direction: column;
        gap: 40px;
    }

    .side {
        width: 100%;
    }

    .energy-flow {
        display: none;
    }

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

    .main-title {
        font-size: 3rem;
    }
}