/* namu.farm — Abandoned Scholarly Greenhouse */

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

:root {
    --green: #4a6e5a;
    --cream: #f5ecd7;
    --dark-brown: #3d3229;
    --tan: #b5a48a;
    --light-cream: #e8e0d4;
    --warm-gray: #8a7d6b;
    --gold: #c8943e;
}

body {
    background: var(--light-cream);
    color: var(--dark-brown);
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Hero */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-cream);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 10vw, 8rem);
    color: var(--dark-brown);
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
}

.hero-line {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--warm-gray);
    animation: float 2s ease-in-out infinite;
    z-index: 2;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

/* Bubbles */
.bubbles-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(200, 148, 62, 0.15), rgba(200, 148, 62, 0.03));
    box-shadow: inset 0 -2px 4px rgba(200, 148, 62, 0.1), 0 0 1px rgba(200, 148, 62, 0.2);
    animation: rise linear infinite;
}

@keyframes rise {
    0% {
        transform: translateY(100%) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(20px);
        opacity: 0;
    }
}

/* Marginalia */
#marginalia {
    position: fixed;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: none;
}

@media (min-width: 1100px) {
    #marginalia {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }
}

.margin-note {
    font-family: 'Courier Prime', monospace;
    font-size: 0.7rem;
    color: var(--warm-gray);
    writing-mode: horizontal-tb;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
    padding: 0.25rem 0;
    border-left: 2px solid transparent;
    padding-left: 0.5rem;
}

.margin-note:hover,
.margin-note.active {
    color: var(--gold);
    border-left-color: var(--gold);
    transform: translateX(4px);
}

/* Specimen Grid */
#specimen-grid {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 1100px) {
    #specimen-grid {
        margin-left: 6rem;
        margin-right: auto;
        max-width: calc(100% - 8rem);
    }
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Specimen Cards */
.specimen-card {
    background: var(--cream);
    border: 1px solid var(--tan);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.specimen-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(61, 50, 41, 0.12);
}

.card-large {
    grid-column: span 2;
    grid-row: span 2;
    padding: 3rem;
}

.card-medium {
    grid-column: span 1;
    grid-row: span 2;
}

.card-small {
    grid-column: span 1;
    grid-row: span 1;
}

@media (max-width: 700px) {
    .card-large,
    .card-medium,
    .card-small {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.card-index {
    font-family: 'Courier Prime', monospace;
    font-size: 0.75rem;
    color: var(--warm-gray);
    position: absolute;
    top: 1rem;
    right: 1rem;
    opacity: 0.6;
}

.card-content h2 {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--dark-brown);
    margin-bottom: 0.25rem;
    letter-spacing: 0.02em;
}

.card-latin {
    font-family: 'Courier Prime', monospace;
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: 0.75rem;
}

.card-note {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--warm-gray);
    line-height: 1.7;
}

.card-bubbles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Footer */
#footer {
    position: relative;
    padding: 6rem 2rem;
    text-align: center;
    border-top: 1px solid var(--tan);
    overflow: hidden;
}

.footer-content {
    position: relative;
    z-index: 2;
}

.footer-domain {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--dark-brown);
    margin-bottom: 0.5rem;
}

.footer-note {
    font-family: 'Courier Prime', monospace;
    font-size: 0.8rem;
    color: var(--warm-gray);
}

/* Concrete texture overlay */
#hero::before,
#footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            rgba(61, 50, 41, 0.02) 40px,
            rgba(61, 50, 41, 0.02) 41px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 40px,
            rgba(61, 50, 41, 0.015) 40px,
            rgba(61, 50, 41, 0.015) 41px
        );
    pointer-events: none;
    z-index: 0;
}

/* Expansion joint lines on cards */
.specimen-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 1.5rem;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--tan), transparent);
    opacity: 0.4;
}