/* footprint.markets - Topographical Dashboard */

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

:root {
    --warm-paper: #ede8df;
    --stone-gray: #6b6960;
    --deep-earth: #2a2a25;
    --topo-blue: #5b8a9a;
    --clay-red: #a65a4e;
    --forest-green: #4a7a56;
    --light-paper: #f4f1eb;
    --copper: #b87a4e;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--warm-paper);
    color: var(--deep-earth);
    font-family: 'IBM Plex Sans', sans-serif;
    overflow-x: hidden;
    line-height: 1.7;
}

/* === Terrain Layer === */
.terrain-layer {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.terrain-dark {
    background: var(--deep-earth);
}

.layer-content {
    max-width: 950px;
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 6rem) clamp(1.5rem, 4vw, 3rem);
    position: relative;
    z-index: 5;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 800ms ease, transform 800ms ease;
}

.terrain-layer.revealed .layer-content {
    opacity: 1;
    transform: translateY(0);
}

/* === Contour Hero Background === */
.contour-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.contour-svg {
    width: 100%;
    height: 100%;
}

.contour-line {
    fill: none;
    stroke-width: 1;
    opacity: 0.25;
}

/* === Contour Divider === */
.contour-divider {
    width: 100%;
    height: 40px;
    overflow: hidden;
}

.contour-line-svg {
    width: 100%;
    height: 100%;
}

/* === Hero Content === */
#atmosphere {
    background: var(--light-paper);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: clamp(3rem, 6vw, 6rem) clamp(1.5rem, 4vw, 3rem);
}

.site-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    letter-spacing: -0.01em;
    color: var(--deep-earth);
    margin-bottom: 2rem;
}

.hero-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
}

.metric-value {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(3rem, 8vw, 6rem);
    color: var(--topo-blue);
}

.metric-unit {
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(0.6rem, 1vw, 0.8rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--stone-gray);
}

.hero-sub {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 300;
    font-size: clamp(0.85rem, 1.4vw, 1.05rem);
    color: var(--stone-gray);
    font-style: italic;
}

/* === Layer Labels === */
.layer-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(0.55rem, 0.9vw, 0.7rem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--topo-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.layer-label.light {
    color: var(--copper);
}

.layer-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -0.01em;
    color: var(--deep-earth);
    margin-bottom: 1.5rem;
}

.layer-title.light {
    color: var(--warm-paper);
}

.layer-body {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 300;
    font-size: clamp(0.85rem, 1.3vw, 1.05rem);
    line-height: 1.8;
    color: var(--stone-gray);
    max-width: 650px;
    margin-bottom: 2rem;
}

.layer-body.light {
    color: var(--warm-paper);
    opacity: 0.8;
}

/* === Dashboard Grid === */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(0.75rem, 1.5vw, 1.5rem);
}

.dash-card {
    background: var(--light-paper);
    border: 1px solid rgba(107, 105, 96, 0.15);
    padding: clamp(1rem, 2vw, 1.5rem);
    text-align: center;
    transition: transform 300ms, border-color 300ms;
}

.dash-card:hover {
    transform: translateY(-4px);
    border-color: var(--topo-blue);
}

.dash-metric {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: var(--deep-earth);
    display: block;
    margin-bottom: 0.3rem;
}

.dash-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(0.5rem, 0.8vw, 0.65rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--stone-gray);
}

/* === Instruments List === */
.instruments-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.instrument-row {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(107, 105, 96, 0.1);
}

.instrument-name {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 500;
    font-size: clamp(0.75rem, 1.1vw, 0.9rem);
    color: var(--deep-earth);
}

.instrument-bar {
    height: 8px;
    background: rgba(107, 105, 96, 0.1);
    overflow: hidden;
    border-radius: 4px;
}

.bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--forest-green), var(--topo-blue));
    border-radius: 4px;
    transition: width 1.2s ease;
}

.instrument-value {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 500;
    font-size: clamp(0.65rem, 1vw, 0.8rem);
    color: var(--topo-blue);
    min-width: 40px;
    text-align: right;
}

/* === Data Table === */
.data-table {
    width: 100%;
}

.table-header {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 0.5rem;
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--deep-earth);
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(0.55rem, 0.85vw, 0.7rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--stone-gray);
}

.table-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 0.5rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(107, 105, 96, 0.1);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: clamp(0.75rem, 1.1vw, 0.9rem);
    color: var(--deep-earth);
    transition: background 200ms;
}

.table-row:hover {
    background: rgba(91, 138, 154, 0.05);
}

.negative {
    color: var(--clay-red);
}

.positive {
    color: var(--forest-green);
}

/* === Closing Stamp === */
.closing-stamp {
    text-align: center;
    margin-top: 3rem;
}

.stamp-name {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--copper);
    display: block;
}

.stamp-tagline {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--stone-gray);
    display: block;
    margin-top: 0.5rem;
}

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

    .instrument-row {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }

    .table-header,
    .table-row {
        grid-template-columns: 1fr 1fr;
    }

    .table-header span:nth-child(3),
    .table-row span:nth-child(3) {
        display: none;
    }
}