/* historygrapher.com - Isometric Technical Docs */

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

:root {
    --canvas-white: #FAFAFA;
    --grid-line: #E0E0E0;
    --primary-blue: #2979FF;
    --deep-navy: #1A237E;
    --success-green: #00897B;
    --warm-orange: #FF8F00;
    --text-dark: #212121;
    --text-light: #757575;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--canvas-white);
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 47px, rgba(224, 224, 224, 0.3) 47px, rgba(224, 224, 224, 0.3) 48px),
        repeating-linear-gradient(90deg, transparent, transparent 47px, rgba(224, 224, 224, 0.3) 47px, rgba(224, 224, 224, 0.3) 48px);
    overflow-x: hidden;
}

/* Hero */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    text-align: center;
}

.hero-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

/* Isometric Cube */
.iso-cube {
    width: 32px;
    height: 32px;
    position: relative;
    transform-style: preserve-3d;
}

.cube-face {
    position: absolute;
}

.cube-top {
    width: 20px;
    height: 12px;
    background: #64B5F6;
    transform: skewX(-30deg);
    top: 0;
    left: 6px;
}

.cube-left {
    width: 14px;
    height: 18px;
    background: var(--deep-navy);
    top: 10px;
    left: 0;
    transform: skewY(-30deg);
}

.cube-right {
    width: 14px;
    height: 18px;
    background: var(--primary-blue);
    top: 10px;
    left: 14px;
    transform: skewY(30deg);
}

.hero-title {
    font-weight: 600;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    letter-spacing: 0.02em;
    color: var(--deep-navy);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.hero-title.visible {
    opacity: 1;
}

.hero-desc {
    font-weight: 400;
    font-size: 1rem;
    color: var(--text-light);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.hero-desc.visible {
    opacity: 1;
}

/* Section Headers */
.section-header {
    font-weight: 500;
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    color: var(--deep-navy);
    margin-bottom: 24px;
}

/* Bento Dashboard */
#bento-dashboard {
    max-width: 1152px;
    margin: 0 auto;
    padding: 48px 2rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: 16px;
}

.bento-card {
    background: #FFFFFF;
    border: 1px solid var(--grid-line);
    border-radius: 4px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
}

.bento-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.bento-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.card-2x2 {
    grid-column: span 2;
    grid-row: span 2;
}

.card-1x2 {
    grid-row: span 2;
}

.card-label {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    margin-bottom: 12px;
}

.stat-number {
    font-weight: 600;
    font-size: 2rem;
    color: var(--primary-blue);
    margin-top: auto;
}

.mini-viz {
    flex: 1;
    width: 100%;
}

.data-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    fill: var(--text-light);
    text-anchor: middle;
}

/* Featured Graph */
#featured-graph {
    max-width: 1152px;
    margin: 0 auto;
    padding: 48px 2rem;
    min-height: 50vh;
}

.iso-timeline {
    width: 100%;
    max-height: 300px;
}

.iso-timeline .data-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    fill: var(--text-dark);
    text-anchor: start;
}

/* Documentation */
#documentation {
    max-width: 1152px;
    margin: 0 auto;
    padding: 48px 2rem;
}

.doc-content {
    max-width: 680px;
}

.doc-block {
    margin-bottom: 32px;
}

.doc-heading {
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--deep-navy);
    margin-bottom: 8px;
}

.doc-block p {
    color: var(--text-dark);
}

.doc-defs {
    margin-top: 8px;
}

.doc-defs dt {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--primary-blue);
    margin-top: 12px;
}

.doc-defs dd {
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-left: 16px;
}

/* Footer */
#footer-grid {
    max-width: 1152px;
    margin: 0 auto;
    padding: 48px 2rem;
    border-top: 1px solid var(--grid-line);
}

.footer-columns {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.footer-heading {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--deep-navy);
    margin-bottom: 8px;
}

.footer-columns p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.footer-cube-col {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.small-cube {
    width: 24px;
    height: 24px;
}

.small-cube .cube-top {
    width: 15px;
    height: 9px;
    left: 4px;
}

.small-cube .cube-left {
    width: 10px;
    height: 13px;
    top: 8px;
}

.small-cube .cube-right {
    width: 10px;
    height: 13px;
    top: 8px;
    left: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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