/* ============================================
   monopole.style — Retro-Futuristic Style Almanac
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --espresso: #3A2A1A;
    --warm-brown: #5A4A3A;
    --aged-gold: #8A7A60;
    --sepia-cream: #F4ECE0;
    --shadow-tan: #D0C0A0;
    --paper-white: #FAF6F0;
    --rust-accent: #B06030;

    --font-display: 'Anton', sans-serif;
    --font-body: 'Libre Franklin', sans-serif;
    --font-data: 'Courier Prime', monospace;

    --scroll: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--sepia-cream);
    color: var(--warm-brown);
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.8;
    font-weight: 300;
    overflow-x: hidden;
    position: relative;
}

/* --- Parallax Background --- */
.parallax-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    transform: translateY(calc(var(--scroll) * 0.4px));
    will-change: transform;
}

.bg-chart {
    position: absolute;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.bg-chart.visible {
    opacity: 0.35;
}

.bg-chart-1 {
    width: 180px;
    top: 15vh;
    right: 8vw;
}

.bg-chart-2 {
    width: 260px;
    top: 55vh;
    left: 5vw;
}

.bg-chart-3 {
    width: 150px;
    top: 120vh;
    right: 12vw;
}

.bg-chart-4 {
    width: 170px;
    top: 200vh;
    left: 8vw;
}

.bg-chart-5 {
    width: 220px;
    top: 310vh;
    right: 5vw;
}

.bg-chart-6 {
    width: 160px;
    top: 380vh;
    left: 10vw;
}

.bg-chart-7 {
    width: 170px;
    top: 450vh;
    right: 10vw;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 4rem 6vw;
    overflow: hidden;
}

.hero-title-container {
    width: 100%;
    overflow: hidden;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(3rem, 8vw, 6rem);
    text-transform: uppercase;
    color: var(--espresso);
    letter-spacing: -0.02em;
    line-height: 0.95;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.hero-title-rule {
    width: 0;
    height: 3px;
    background: var(--rust-accent);
    margin-top: 1.2rem;
    transition: width 1s ease 0.5s;
}

.hero-title-rule.animate-in {
    width: 120px;
}

.hero-subtitle-block {
    margin-top: 2rem;
    padding-left: 2rem;
    border-left: 2px solid var(--shadow-tan);
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.hero-subtitle-block.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.hero-tagline {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1rem, 2vw, 1.4rem);
    color: var(--warm-brown);
    margin-top: 0.3rem;
}

.hero-descriptor {
    font-family: var(--font-data);
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--aged-gold);
    letter-spacing: 0.05em;
    margin-top: 0.4rem;
}

.hero-data-accent {
    position: absolute;
    bottom: 8vh;
    right: 8vw;
    width: 140px;
    opacity: 0;
    transition: opacity 1s ease 0.8s;
}

.hero-data-accent.animate-in {
    opacity: 0.6;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 3vh;
    left: 6vw;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 1.2s ease 1.2s;
}

.hero-scroll-hint.animate-in {
    opacity: 1;
}

.hero-scroll-hint .data-label {
    margin-bottom: 0;
}

.hero-scroll-hint svg {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* --- Data Labels --- */
.data-label {
    font-family: var(--font-data);
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--aged-gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.5rem;
}

/* --- Content Sections --- */
.content-section {
    position: relative;
    z-index: 1;
    padding: 8rem 6vw;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Grid Items / Broken Grid --- */
.grid-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.grid-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.grid-item--offset-right {
    grid-column: 1 / 7;
    transform: translateY(30px) translateX(1.5rem);
}

.grid-item--offset-right.visible {
    opacity: 1;
    transform: translateY(0) translateX(1.5rem);
}

.grid-item--offset-left {
    grid-column: 6 / 13;
    transform: translateY(30px) translateX(-1rem);
}

.grid-item--offset-left.visible {
    opacity: 1;
    transform: translateY(0) translateX(-1rem);
}

.grid-item--wide {
    grid-column: 1 / 9;
}

.grid-item--narrow {
    grid-column: 8 / 13;
}

.grid-item--offset-down {
    margin-top: 3rem;
}

.grid-item--full {
    grid-column: 1 / -1;
}

.grid-item--accent-bar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0;
}

.grid-item--accent-bar.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Accent Line --- */
.accent-line {
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--rust-accent), transparent);
    transition: width 1.5s ease;
}

.grid-item--accent-bar.visible .accent-line {
    width: 60%;
}

/* --- Panels (Paper Stack Effect) --- */
.panel {
    background: var(--paper-white);
    padding: 2.5rem 2.5rem 2rem;
    position: relative;
    box-shadow: 6px 6px 0 var(--shadow-tan);
}

.panel::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: -3px;
    bottom: -3px;
    border: 1px solid var(--shadow-tan);
    z-index: -1;
    opacity: 0.5;
}

/* --- Section Headings --- */
.section-heading {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-transform: uppercase;
    color: var(--espresso);
    letter-spacing: -0.01em;
    line-height: 1.05;
    margin-bottom: 1rem;
}

/* --- Body Text --- */
.body-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.8;
    color: var(--warm-brown);
}

/* --- Inline Charts --- */
.inline-chart {
    margin: 1.5rem 0;
    padding: 1rem;
    border: 1px solid var(--shadow-tan);
    background: var(--sepia-cream);
}

.inline-chart svg {
    width: 100%;
    height: auto;
    display: block;
}

/* --- Taxonomy Section --- */
.taxonomy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.taxonomy-entry {
    padding: 1.5rem;
    border: 1px solid var(--shadow-tan);
    background: var(--sepia-cream);
    position: relative;
}

.taxonomy-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    text-transform: uppercase;
    color: var(--espresso);
    margin-bottom: 0.5rem;
}

.taxonomy-bar {
    height: 4px;
    background: var(--shadow-tan);
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.taxonomy-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--aged-gold);
    transition: width 1.2s ease;
}

.taxonomy-entry.visible .taxonomy-bar::after {
    width: var(--bar-width);
}

.taxonomy-value {
    margin-top: 0.4rem;
    font-size: 0.7rem;
    color: var(--aged-gold);
}

/* --- Field Notes Section --- */
.fieldnote-stack {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.fieldnote {
    padding: 1.2rem 1.5rem;
    border-left: 3px solid var(--shadow-tan);
    background: var(--sepia-cream);
    position: relative;
    transition: border-color 0.4s ease;
}

.fieldnote:hover {
    border-left-color: var(--rust-accent);
}

.fieldnote .body-text {
    font-style: italic;
    font-size: 0.95rem;
}

/* --- Colophon Section --- */
.colophon-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.colophon-row {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--shadow-tan);
}

.colophon-row:last-child {
    border-bottom: none;
}

.palette-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.swatch-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.swatch {
    width: 28px;
    height: 28px;
    display: inline-block;
    border: 1px solid var(--shadow-tan);
}

.swatch-label {
    font-family: var(--font-data);
    font-size: 0.55rem;
    color: var(--aged-gold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Footer --- */
.site-footer {
    position: relative;
    z-index: 1;
    padding: 4rem 6vw 3rem;
    border-top: 1px solid var(--shadow-tan);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-rule {
    width: 60px;
    height: 2px;
    background: var(--rust-accent);
    margin: 1.5rem auto;
    opacity: 0.5;
}

.footer-content .data-label {
    display: block;
    text-align: center;
}

/* --- Registry Section Specifics --- */
.registry-section {
    padding-top: 4rem;
}

/* --- Index Section Specifics --- */
.index-section .section-grid {
    align-items: start;
}

/* --- Trend Section Specifics --- */
.trend-section .section-grid {
    align-items: center;
}

/* --- Displacement Section Specifics --- */
.displacement-section {
    padding-bottom: 4rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero {
        padding: 3rem 5vw;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .content-section {
        padding: 5rem 5vw;
    }

    .section-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .grid-item--offset-right,
    .grid-item--offset-left,
    .grid-item--wide,
    .grid-item--narrow,
    .grid-item--full {
        grid-column: 1 / -1;
    }

    .grid-item--offset-right,
    .grid-item--offset-right.visible {
        transform: translateX(0.5rem);
    }

    .grid-item--offset-left,
    .grid-item--offset-left.visible {
        transform: translateX(-0.5rem);
    }

    .grid-item--offset-down {
        margin-top: 0;
    }

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

    .bg-chart-1 { width: 120px; }
    .bg-chart-2 { width: 180px; }
    .bg-chart-3 { width: 100px; }
    .bg-chart-4 { width: 120px; }
    .bg-chart-5 { width: 150px; }
    .bg-chart-6 { width: 110px; }
    .bg-chart-7 { width: 120px; }

    .hero-data-accent {
        right: 5vw;
        bottom: 5vh;
        width: 100px;
    }

    .palette-swatches {
        gap: 0.5rem;
    }

    .hero-scroll-hint {
        left: 5vw;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(2rem, 14vw, 3rem);
    }

    .panel {
        padding: 1.5rem;
    }

    .section-heading {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }

    .palette-swatches {
        gap: 0.4rem;
    }

    .swatch {
        width: 22px;
        height: 22px;
    }

    .swatch-label {
        font-size: 0.5rem;
    }
}