/* monopole.studio — Brutalist Industrial Portfolio */

:root {
    --concrete-light: #E0DCD8;
    --concrete-mid: #C8C4C0;
    --steel-dark: #4A4A4A;
    --iron-black: #2A2A2A;
    --blueprint-blue: #3A5070;
    --rust-orange: #A06040;
    --grid-dim: rgba(74, 74, 74, 0.15);
    --grid-faint: rgba(74, 74, 74, 0.3);

    --font-headline: 'Oswald', 'Arial Narrow', sans-serif;
    --font-body: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

html, body {
    background: var(--concrete-light);
    color: var(--steel-dark);
    font-family: var(--font-body);
    font-size: clamp(13px, 0.9vw, 16px);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    position: relative;
    min-height: 100vh;
}

/* GRID COORDINATES — viewport margins */
.grid-coords {
    position: fixed;
    top: 8px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    pointer-events: none;
    z-index: 100;
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--grid-faint);
}

.grid-coords-side {
    position: fixed;
    top: 80px;
    bottom: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none;
    z-index: 100;
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--grid-faint);
    writing-mode: vertical-rl;
}

.grid-coords-side span {
    transform: rotate(180deg);
}

.grid-coords-left {
    left: 8px;
}

.grid-coords-right {
    right: 8px;
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    background: var(--concrete-light);
    padding: 48px 64px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-bottom: 3px solid var(--steel-dark);
    overflow: hidden;
}

.hero-blueprint {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.08;
    pointer-events: none;
}

.hero-meta {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--grid-dim);
    padding-bottom: 12px;
}

.meta-tag {
    display: inline-block;
}

.hero-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 0;
}

.logotype {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(48px, 9vw, 144px);
    line-height: 0.9;
    letter-spacing: -0.02em;
    color: var(--iron-black);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.logotype-ext {
    color: var(--rust-orange);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 48px;
    max-width: 720px;
}

.hero-spec {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 3px solid var(--steel-dark);
    background: var(--concrete-mid);
    box-shadow: 4px 4px 0 rgba(74, 74, 74, 0.2);
    max-width: 720px;
}

.spec-line {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--iron-black);
    text-transform: uppercase;
    padding: 14px 16px;
    border-right: 3px solid var(--steel-dark);
}

.spec-line:last-child {
    border-right: none;
}

.hero-footer {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--steel-dark);
    text-transform: uppercase;
    border-top: 1px solid var(--grid-dim);
    padding-top: 12px;
}

.footer-coord:last-child {
    color: var(--rust-orange);
    font-weight: 500;
}

/* SECTION MARKER (machinery dividers) */
.section-marker {
    background: var(--concrete-mid);
    padding: 64px;
    border-bottom: 3px solid var(--steel-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.marker-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--iron-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 3px solid var(--steel-dark);
    padding: 8px 20px;
    background: var(--concrete-light);
    box-shadow: 4px 4px 0 rgba(74, 74, 74, 0.2);
}

.machinery {
    width: 100%;
    max-width: 600px;
    height: auto;
}

/* PORTFOLIO GRID */
.portfolio {
    background: var(--concrete-light);
    padding: 0 64px;
    border-bottom: 3px solid var(--steel-dark);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 3px solid var(--steel-dark);
    box-shadow: 6px 6px 0 rgba(74, 74, 74, 0.2);
    margin: 64px 0;
}

.portfolio-cell {
    border: 3px solid var(--steel-dark);
    margin: -3px -3px 0 0;
    padding: 24px;
    background: var(--concrete-light);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    position: relative;
}

.portfolio-cell.visible {
    opacity: 1;
    transition: opacity 0.15s step-end;
}

.portfolio-cell:nth-child(even) {
    background: var(--concrete-mid);
}

.cell-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--grid-dim);
    padding-bottom: 8px;
    margin-bottom: 24px;
}

.cell-id {
    color: var(--rust-orange);
    font-weight: 500;
}

.cell-title {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(20px, 2.4vw, 32px);
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: var(--iron-black);
    text-transform: uppercase;
    margin-bottom: 16px;
    flex: 0 0 auto;
}

.cell-desc {
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.5;
    color: var(--steel-dark);
    flex: 1;
    margin-bottom: 24px;
}

.cell-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--steel-dark);
    text-transform: uppercase;
    border-top: 1px solid var(--grid-dim);
    padding-top: 12px;
}

/* BLUEPRINT SECTION */
.blueprint-section {
    background: var(--concrete-mid);
    padding: 80px 64px;
    border-bottom: 3px solid var(--steel-dark);
    position: relative;
}

.bp-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 40px;
    border-bottom: 3px solid var(--steel-dark);
    padding-bottom: 16px;
}

.bp-title {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(28px, 4vw, 56px);
    line-height: 1;
    color: var(--iron-black);
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.bp-ref {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--blueprint-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bp-drawing {
    width: 100%;
    height: auto;
    background: rgba(58, 80, 112, 0.06);
    border: 3px solid var(--steel-dark);
    box-shadow: 4px 4px 0 rgba(74, 74, 74, 0.2);
    padding: 24px;
    margin-bottom: 40px;
}

.bp-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 3px solid var(--steel-dark);
    background: var(--concrete-light);
    box-shadow: 4px 4px 0 rgba(74, 74, 74, 0.2);
}

.stat-block {
    border-right: 3px solid var(--steel-dark);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-block:last-child {
    border-right: none;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-value {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(40px, 5vw, 72px);
    line-height: 1;
    color: var(--iron-black);
}

.stat-block:last-child .stat-value {
    color: var(--rust-orange);
}

/* LEDGER */
.ledger {
    background: var(--concrete-light);
    padding: 80px 64px;
    border-bottom: 3px solid var(--steel-dark);
}

.ledger-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 32px;
    border-bottom: 3px solid var(--steel-dark);
    padding-bottom: 16px;
}

.ledger-title {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(28px, 4vw, 56px);
    line-height: 1;
    color: var(--iron-black);
    text-transform: uppercase;
}

.ledger-ref {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ledger-grid {
    border: 3px solid var(--steel-dark);
    background: var(--concrete-mid);
    box-shadow: 6px 6px 0 rgba(74, 74, 74, 0.2);
}

.ledger-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid var(--steel-dark);
}

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

.ledger-key {
    padding: 18px 24px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--steel-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-right: 1px solid var(--steel-dark);
    background: var(--concrete-light);
}

.ledger-val {
    padding: 18px 24px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--iron-black);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ledger-row-accent .ledger-val {
    color: var(--rust-orange);
    font-weight: 500;
}

/* PAGE FOOTER */
.page-footer {
    background: var(--iron-black);
    color: var(--concrete-light);
    padding: 24px 64px;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .grid-coords-side {
        display: none;
    }

    .hero,
    .portfolio,
    .blueprint-section,
    .ledger {
        padding-left: 32px;
        padding-right: 32px;
    }

    .page-footer {
        padding-left: 32px;
        padding-right: 32px;
    }

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

    .hero-spec {
        grid-template-columns: repeat(2, 1fr);
    }

    .spec-line {
        border-bottom: 3px solid var(--steel-dark);
    }

    .spec-line:nth-child(2),
    .spec-line:nth-child(4) {
        border-right: none;
    }

    .spec-line:nth-child(3),
    .spec-line:nth-child(4) {
        border-bottom: none;
    }

    .bp-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-block {
        border-bottom: 3px solid var(--steel-dark);
    }

    .stat-block:nth-child(2) {
        border-right: none;
    }

    .stat-block:nth-child(3),
    .stat-block:nth-child(4) {
        border-bottom: none;
    }

    .ledger-row {
        grid-template-columns: 120px 1fr;
    }

    .footer-row {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 560px) {
    .hero {
        padding: 32px 20px;
    }

    .hero-meta,
    .hero-footer {
        flex-wrap: wrap;
        gap: 12px;
    }

    .portfolio,
    .blueprint-section,
    .ledger,
    .section-marker {
        padding-left: 20px;
        padding-right: 20px;
    }

    .ledger-row {
        grid-template-columns: 1fr;
    }

    .ledger-key {
        border-right: none;
        border-bottom: 1px solid var(--steel-dark);
    }
}