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

:root {
    --primary: #1a3a8a;
    --secondary: #8a1a3a;
    --tertiary: #3a8a1a;
    --light: #f0f4ff;
    --dark: #0f1520;
    --neutral: #6a7080;
}

body {
    background: var(--dark);
    color: var(--light);
    font-family: 'Merriweather', serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* DNA Helix */
.dna-helix {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 24px;
    z-index: 0;
    opacity: 0.4;
}

.helix-node {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--tertiary);
    transition: transform 0.3s ease;
}

.helix-node:nth-child(odd) {
    margin-left: 0;
    background: var(--primary);
}

.helix-node:nth-child(even) {
    margin-left: 40px;
    background: var(--secondary);
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 3rem;
    position: relative;
    z-index: 10;
}

.logo {
    font-family: 'Space Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--light);
}

.logo-dot {
    color: var(--tertiary);
}

.main-nav a {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 600;
    color: var(--neutral);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--light);
}

/* Broken Grid */
.broken-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    padding: 2rem 3rem 4rem;
    position: relative;
    z-index: 5;
}

/* Cards - 3D effect */
.card {
    background: rgba(15, 21, 32, 0.8);
    border: 1px solid rgba(106, 112, 128, 0.2);
    padding: 2.5rem;
    border-radius: 4px;
    transform: perspective(1000px) rotateY(2deg);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow:
        0 2px 4px rgba(0,0,0,0.2),
        0 8px 16px rgba(0,0,0,0.15),
        0 16px 32px rgba(0,0,0,0.1);
}

.card:hover {
    transform: perspective(1000px) rotateY(-2deg);
    box-shadow:
        0 4px 8px rgba(0,0,0,0.3),
        0 12px 24px rgba(0,0,0,0.2),
        0 24px 48px rgba(0,0,0,0.15);
}

.card-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neutral);
    display: block;
    margin-bottom: 1rem;
}

.card h2 {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 800;
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    color: var(--light);
}

.card p {
    color: var(--neutral);
    font-size: 0.95rem;
}

/* Broken grid placement */
.card-hero {
    grid-column: 1 / 7;
    grid-row: 1 / 3;
    transform: perspective(1000px) rotateY(-1deg);
}

.card-hero h1 {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, var(--light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--neutral);
    max-width: 480px;
}

.card-research {
    grid-column: 7 / 11;
    grid-row: 1 / 2;
}

.card-data {
    grid-column: 8 / 13;
    grid-row: 2 / 4;
    transform: perspective(1000px) rotateY(3deg);
}

.card-nature {
    grid-column: 1 / 5;
    grid-row: 3 / 5;
    transform: perspective(1000px) rotateY(-2deg);
}

.card-about {
    grid-column: 5 / 9;
    grid-row: 4 / 5;
}

.card-sequence {
    grid-column: 2 / 8;
    grid-row: 5 / 6;
    transform: perspective(1000px) rotateY(1deg);
}

/* Data grid */
.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.data-point {
    text-align: center;
    padding: 1rem 0.5rem;
    border: 1px solid rgba(106, 112, 128, 0.15);
    border-radius: 4px;
}

.data-value {
    font-family: 'Space Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--tertiary);
    display: block;
}

.data-unit {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.7rem;
    color: var(--neutral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Anomaly shake */
.anomaly {
    animation: shake-error 0.4s ease-in-out infinite;
    border-color: var(--secondary);
}

.anomaly .data-value {
    color: var(--secondary);
}

@keyframes shake-error {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-1px); }
    80% { transform: translateX(1px); }
}

/* Sequence */
.sequence-display {
    font-family: 'Space Mono', monospace;
    font-size: 1.4rem;
    letter-spacing: 0.15em;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.base {
    display: inline-block;
    padding: 4px 6px;
    border-radius: 2px;
    transition: transform 0.2s;
}

.base.t { color: var(--primary); }
.base.a { color: var(--secondary); }
.base.g { color: var(--tertiary); }

.base:hover {
    transform: scale(1.3);
}

/* Footer */
.site-footer {
    padding: 2rem 3rem;
    text-align: center;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.8rem;
    color: var(--neutral);
    position: relative;
    z-index: 5;
}