/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --terracotta-deep: #9e7350;
    --botanical-green: #5e7c5a;
    --botanical-dark: #4a6347;
    --clay-light: #c9a074;
    --clay-surface: #dbb896;
    --clay-warm: #c4956a;
    --umber-dark: #5a4336;
    --clay-gold: #d4ab82;
    --deep-umber: #3d2b1f;
    --bg: #dbb896;
    --shadow-light: #e8cba8;
    --shadow-dark: #c4a07a;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    background-color: var(--bg);
    color: var(--deep-umber);
    line-height: 1.65;
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-family: 'Varela Round', sans-serif;
    font-weight: 400;
    color: var(--deep-umber);
}

.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
    letter-spacing: 0.01em;
    margin-bottom: 0.5em;
}

.section-desc {
    font-family: 'Space Mono', monospace;
    font-size: clamp(0.75rem, 1.2vw, 0.9rem);
    color: var(--umber-dark);
    opacity: 0.7;
    margin-bottom: 2.5rem;
}

/* ===== HERO ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-question {
    font-size: clamp(2.8rem, 7vw, 6rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-question .highlight {
    color: var(--botanical-green);
    position: relative;
}

.hero-sub {
    font-family: 'Space Mono', monospace;
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    color: var(--umber-dark);
    opacity: 0.6;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero-fern {
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 300px;
    opacity: 0.5;
}

.scroll-indicator {
    margin-top: 3rem;
    animation: bobDown 2s ease-in-out infinite;
}

@keyframes bobDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ===== SECTIONS ===== */
.section {
    padding: 5rem clamp(1.5rem, 5vw, 6rem);
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== CARD GRID ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.card {
    background: var(--bg);
    border-radius: 20px;
    padding: 1.8rem;
    box-shadow:
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow:
        12px 12px 24px var(--shadow-dark),
        -12px -12px 24px var(--shadow-light);
}

.card--tall {
    grid-row: span 2;
}

.card--wide {
    grid-column: span 2;
}

.card-botanical {
    margin-bottom: 1rem;
}

.card-botanical svg {
    width: 100%;
    height: auto;
    max-height: 100px;
}

.card-id {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--terracotta-deep);
    opacity: 0.6;
    display: block;
    margin-bottom: 0.4rem;
}

.card-name {
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
}

.card-excerpt {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--umber-dark);
    opacity: 0.8;
    margin-bottom: 1rem;
    font-style: italic;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}

.meta-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 12px;
    background: var(--bg);
    box-shadow:
        inset 3px 3px 6px var(--shadow-dark),
        inset -3px -3px 6px var(--shadow-light);
    color: var(--umber-dark);
}

.card-verdict {
    display: flex;
    gap: 0.8rem;
}

.verdict-btn {
    flex: 1;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    background: var(--bg);
    color: var(--deep-umber);
    box-shadow:
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
    transition: all 0.25s ease;
}

.verdict-btn:hover {
    box-shadow:
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
}

.verdict-btn.selected {
    box-shadow:
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
}

.verdict-human.selected {
    color: var(--botanical-green);
}

.verdict-machine.selected {
    color: var(--terracotta-deep);
}

/* ===== TRANSCRIPT ===== */
.transcript-container {
    background: var(--bg);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow:
        inset 6px 6px 12px var(--shadow-dark),
        inset -6px -6px 12px var(--shadow-light);
    max-width: 700px;
}

.transcript-line {
    margin-bottom: 1.2rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.transcript-line.visible {
    opacity: 1;
    transform: translateY(0);
}

.transcript-speaker {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--terracotta-deep);
    display: block;
    margin-bottom: 0.2rem;
}

.transcript-text {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 0.95rem;
    color: var(--deep-umber);
    line-height: 1.6;
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.about-card {
    background: var(--bg);
    border-radius: 20px;
    padding: 2rem;
    box-shadow:
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
}

.about-number {
    font-family: 'Varela Round', sans-serif;
    font-size: 2.5rem;
    color: var(--botanical-green);
    opacity: 0.3;
    margin-bottom: 0.5rem;
}

.about-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.about-card p {
    font-size: 0.85rem;
    color: var(--umber-dark);
    opacity: 0.8;
}

/* ===== FOOTER ===== */
#footer {
    padding: 3rem clamp(1.5rem, 5vw, 6rem);
    text-align: center;
}

.footer-text {
    font-family: 'Varela Round', sans-serif;
    font-size: 0.95rem;
    color: var(--deep-umber);
    margin-bottom: 0.3rem;
}

.footer-stamp {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--umber-dark);
    opacity: 0.5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card--wide {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .card--wide {
        grid-column: span 1;
    }
    .card--tall {
        grid-row: span 1;
    }
    .hero-fern {
        display: none;
    }
}