/* ============================================
   Urban Sprawl — Film Noir / 1950s Engineering
   ============================================
   Dark backgrounds, warm amber + sepia accents,
   dramatic contrast, ruled lines, technical
   lettering. A city planner's noir office.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=IBM+Plex+Mono:wght@300;400;500;600&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    /* Noir palette */
    --noir-black: #0c0b0a;
    --noir-dark: #151412;
    --noir-panel: #1a1917;
    --noir-card: #1f1e1b;
    --noir-rule: #2a2824;
    --noir-rule-light: #3a3730;

    /* Warm accents */
    --amber: #d4a04a;
    --amber-dim: #a07a38;
    --amber-glow: rgba(212, 160, 74, 0.35);
    --sepia: #c49a6c;
    --cream: #e8dcc8;
    --cream-dim: #b8ad9a;
    --parchment: #f0e6d3;

    /* Cool accents (blueprint touches) */
    --slate: #7a8b8f;
    --steel: #5a6a6e;
    --ink-blue: #4a6670;

    /* Text */
    --text-bright: #e8dcc8;
    --text-body: #b0a690;
    --text-dim: #706858;
    --text-faint: #4a4438;

    /* Status */
    --done: #6a9a5a;
    --active: #d4a04a;
    --planned: #5a6a6e;

    /* Typography */
    --font-display: 'Playfair Display', 'Georgia', serif;
    --font-body: 'Libre Baskerville', 'Georgia', serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

    /* Spacing */
    --sp-xs: 0.5rem;
    --sp-sm: 1rem;
    --sp-md: 1.5rem;
    --sp-lg: 2rem;
    --sp-xl: 3rem;
    --sp-2xl: 5rem;

    /* Misc */
    --radius: 2px;
    --transition: all 0.25s ease;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--noir-black);
    color: var(--text-body);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Venetian blind shadow overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9998;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.04) 3px,
        rgba(0, 0, 0, 0.04) 6px
    );
}

/* Subtle grain texture */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--sp-md);
}

a {
    color: var(--amber);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--cream);
}

img {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--amber);
    color: var(--noir-black);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(12, 11, 10, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--noir-rule);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.75rem var(--sp-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    color: var(--text-bright);
    text-decoration: none;
}

.logo-icon {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: 0.05em;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.04em;
    color: var(--text-bright);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-lg);
}

.nav-links a {
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--amber);
}

.nav-cta {
    color: var(--noir-black) !important;
    background: var(--amber);
    padding: 0.35rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.nav-cta:hover {
    background: var(--cream);
    color: var(--noir-black) !important;
}

/* ============================================
   Hero
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: var(--sp-2xl) var(--sp-md);
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(212, 160, 74, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, rgba(74, 102, 112, 0.04) 0%, transparent 40%),
        var(--noir-black);
}

/* Engineering grid overlay on hero */
.hero-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 160, 74, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 160, 74, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6.5rem);
    font-weight: 900;
    line-height: 0.95;
    margin-bottom: var(--sp-md);
    letter-spacing: 0.02em;
    color: var(--text-bright);
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--amber);
    font-style: italic;
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.35em;
    margin-bottom: var(--sp-lg);
}

.hero-description {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--text-body);
    max-width: 560px;
    margin: 0 auto var(--sp-xl);
    line-height: 1.85;
}

.hero-buttons {
    display: flex;
    gap: var(--sp-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--sp-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-xs);
    padding: 0.7rem 1.8rem;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-icon {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: inherit;
}

.btn-primary {
    background: var(--amber);
    color: var(--noir-black);
}

.btn-primary:hover {
    background: var(--cream);
    color: var(--noir-black);
    box-shadow: 0 0 20px var(--amber-glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--noir-rule-light);
    color: var(--text-body);
}

.btn-secondary:hover {
    border-color: var(--amber-dim);
    color: var(--amber);
}

.hero-update-date {
    font-family: var(--font-mono) !important;
    color: var(--text-dim) !important;
    font-size: 0.8rem !important;
    letter-spacing: 0.2em !important;
    margin-bottom: var(--sp-lg) !important;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--sp-xl);
    flex-wrap: wrap;
    padding-top: var(--sp-lg);
    border-top: 1px solid var(--noir-rule);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--amber);
    line-height: 1.2;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--sp-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-xs);
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    animation: drift 3s ease-in-out infinite;
}

.scroll-arrow {
    width: 14px;
    height: 14px;
    border-right: 1px solid var(--text-faint);
    border-bottom: 1px solid var(--text-faint);
    transform: rotate(45deg);
}

@keyframes drift {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50% { transform: translateX(-50%) translateY(-6px); opacity: 1; }
}

/* ============================================
   Section Styles (shared)
   ============================================ */

section {
    padding: var(--sp-2xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.4rem;
    color: var(--text-bright);
    letter-spacing: 0.02em;
}

.section-subtitle {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--sp-xl);
}

/* Ruled divider used between sections */
.section-rule {
    display: block;
    width: 80px;
    height: 1px;
    background: var(--amber-dim);
    margin: 0 auto var(--sp-xl);
    border: none;
}

/* ============================================
   Dev Diary (Featured Section)
   ============================================ */

.devdiary {
    background: var(--noir-dark);
    border-top: 1px solid var(--noir-rule);
    border-bottom: 1px solid var(--noir-rule);
}

.diary-entries {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-lg);
}

.diary-card {
    background: var(--noir-panel);
    border: 1px solid var(--noir-rule);
    border-left: 3px solid var(--amber-dim);
    padding: var(--sp-lg);
    transition: var(--transition);
}

.diary-card:hover {
    border-left-color: var(--amber);
    box-shadow: -4px 0 12px rgba(212, 160, 74, 0.08);
}

.diary-card.latest {
    border-left-color: var(--amber);
    box-shadow: -4px 0 12px rgba(212, 160, 74, 0.06);
}

.diary-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--sp-sm);
    padding-bottom: var(--sp-xs);
    border-bottom: 1px solid var(--noir-rule);
}

.diary-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--amber);
    letter-spacing: 0.1em;
}

.diary-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    background: rgba(212, 160, 74, 0.06);
    padding: 0.15rem 0.6rem;
    border: 1px solid var(--noir-rule);
}

.diary-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.diary-excerpt {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: var(--sp-sm);
}

.diary-figure {
    margin: var(--sp-sm) 0;
    overflow: hidden;
    border: 1px solid var(--noir-rule);
    background: var(--noir-black);
}

.diary-figure img {
    width: 100%;
    height: auto;
    display: block;
    filter: contrast(1.05) saturate(0.9);
    transition: filter 0.4s ease;
}

.diary-figure:hover img {
    filter: contrast(1.1) saturate(1);
}

.diary-figure figcaption {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--noir-rule);
    letter-spacing: 0.03em;
}

.diary-figure-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-sm);
    margin: var(--sp-sm) 0;
}

.diary-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: var(--sp-sm);
    padding-top: var(--sp-sm);
    border-top: 1px solid var(--noir-rule);
}

.diary-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border: 1px solid;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.diary-tag.rendering { color: var(--amber); border-color: var(--amber-dim); }
.diary-tag.performance { color: var(--done); border-color: rgba(106, 154, 90, 0.4); }
.diary-tag.bugfix { color: #c89040; border-color: rgba(200, 144, 64, 0.3); }
.diary-tag.architecture { color: var(--slate); border-color: rgba(122, 139, 143, 0.3); }
.diary-tag.shader { color: var(--sepia); border-color: rgba(196, 154, 108, 0.3); }
.diary-tag.world { color: var(--ink-blue); border-color: rgba(74, 102, 112, 0.3); }

.diary-read-more {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--amber);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: inline-block;
    margin-top: var(--sp-xs);
}

.diary-read-more:hover {
    color: var(--cream);
}

/* ============================================
   Gallery
   ============================================ */

.gallery {
    background: var(--noir-black);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 4px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    background: var(--noir-dark);
    border: 1px solid var(--noir-rule);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: contrast(1.05) saturate(0.85);
}

.gallery-item:hover img {
    transform: scale(1.04);
    filter: contrast(1.1) saturate(1);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.6rem 0.75rem;
    background: linear-gradient(transparent, rgba(12, 11, 10, 0.88));
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--cream-dim);
    letter-spacing: 0.04em;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.gallery-sequence-title {
    text-align: center;
    margin-top: var(--sp-xl) !important;
    margin-bottom: var(--sp-sm) !important;
    font-family: var(--font-mono) !important;
    color: var(--amber-dim) !important;
    font-size: 0.78rem !important;
    letter-spacing: 0.18em !important;
    text-transform: uppercase;
}

/* ============================================
   Features
   ============================================ */

.features {
    background: var(--noir-dark);
    border-top: 1px solid var(--noir-rule);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--sp-md);
}

.feature-card {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
    border-top: 2px solid var(--noir-rule-light);
    transition: var(--transition);
}

.feature-card:hover {
    border-top-color: var(--amber-dim);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 1.6rem;
    margin-bottom: var(--sp-xs);
}

.feature-icon.retro-icon {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--amber);
    letter-spacing: 0.05em;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--sp-xs);
    color: var(--text-bright);
    letter-spacing: 0.02em;
}

.feature-card p {
    color: var(--text-body);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ============================================
   Tech Specs
   ============================================ */

.tech-specs {
    background: var(--noir-black);
    border-top: 1px solid var(--noir-rule);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--sp-md);
}

.tech-card {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
    border-left: 2px solid var(--ink-blue);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    margin-bottom: var(--sp-sm);
}

.tech-icon {
    font-size: 1.3rem;
}

.tech-icon.retro-icon {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--slate);
}

.tech-card h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: 0.02em;
}

.tech-card p {
    color: var(--text-body);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ============================================
   Architecture
   ============================================ */

.architecture {
    background: var(--noir-dark);
    border-top: 1px solid var(--noir-rule);
}

.architecture-content {
    max-width: 850px;
    margin: 0 auto;
}

.arch-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
    margin-bottom: var(--sp-xl);
}

.arch-column {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
}

.arch-column.traditional {
    border-top: 2px solid var(--text-faint);
    opacity: 0.7;
}

.arch-column.modern {
    border-top: 2px solid var(--amber-dim);
}

.arch-column h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--sp-md);
    text-align: center;
    letter-spacing: 0.03em;
}

.arch-column.traditional h3 {
    color: var(--text-dim);
}

.arch-column.modern h3 {
    color: var(--amber);
}

.arch-column ul {
    list-style: none;
}

.arch-column li {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    margin-bottom: var(--sp-sm);
    font-size: 0.88rem;
    color: var(--text-body);
}

.arch-icon {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    min-width: 42px;
}

.arch-column.traditional .arch-icon {
    color: var(--text-dim);
}

.arch-column.modern .arch-icon {
    color: var(--amber);
}

.arch-detail {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
    border-left: 2px solid var(--amber-dim);
    margin-bottom: var(--sp-md);
}

.arch-detail h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--sp-sm);
    color: var(--amber);
    letter-spacing: 0.02em;
}

.arch-detail p {
    color: var(--text-body);
    font-size: 0.88rem;
    line-height: 1.7;
}

.arch-detail strong {
    color: var(--text-bright);
}

/* ============================================
   Endgame Vision
   ============================================ */

.endgame {
    background: var(--noir-black);
    border-top: 1px solid var(--noir-rule);
}

.endgame-content {
    max-width: 850px;
    margin: 0 auto;
}

.endgame-intro {
    text-align: center;
    margin-bottom: var(--sp-xl);
}

.endgame-intro p {
    font-size: 1rem;
    color: var(--text-body);
    line-height: 1.8;
}

.megastructure-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
}

.mega-card {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
    transition: var(--transition);
}

.mega-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.mega-card.residential {
    border-top: 2px solid var(--amber-dim);
}

.mega-card.industrial {
    border-top: 2px solid var(--steel);
}

.mega-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--sp-xs);
    letter-spacing: 0.02em;
}

.mega-card.residential h3 { color: var(--amber); }
.mega-card.industrial h3 { color: var(--slate); }

.mega-subtitle {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-bottom: var(--sp-md);
    letter-spacing: 0.06em;
}

.mega-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.mega-table tr {
    border-bottom: 1px solid var(--noir-rule);
}

.mega-table tr:last-child {
    border-bottom: none;
}

.mega-table td {
    padding: 0.4rem 0;
    color: var(--text-body);
}

.mega-table td:first-child {
    color: var(--amber);
}

.mega-table td:last-child {
    text-align: right;
    color: var(--slate);
}

/* ============================================
   Roadmap
   ============================================ */

.roadmap {
    background: var(--noir-dark);
    border-top: 1px solid var(--noir-rule);
}

.roadmap-timeline {
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    padding-left: var(--sp-xl);
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--noir-rule-light);
}

.roadmap-item {
    position: relative;
    padding-bottom: var(--sp-xl);
}

.roadmap-marker {
    position: absolute;
    left: calc(-1 * var(--sp-xl) + 1px);
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--noir-panel);
    border: 2px solid var(--noir-rule-light);
}

.roadmap-item.completed .roadmap-marker {
    background: var(--done);
    border-color: var(--done);
}

.roadmap-item.current .roadmap-marker {
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 8px var(--amber-glow);
}

.roadmap-content {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
}

.roadmap-item.current .roadmap-content {
    border-left: 2px solid var(--amber-dim);
}

.roadmap-version {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 2px 8px;
    background: rgba(212, 160, 74, 0.06);
    border: 1px solid var(--noir-rule);
    margin-bottom: var(--sp-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.roadmap-content h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--sp-xs);
    color: var(--text-bright);
}

.roadmap-content p {
    color: var(--text-body);
    font-size: 0.88rem;
    margin-bottom: var(--sp-sm);
    line-height: 1.7;
}

.roadmap-content code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: rgba(212, 160, 74, 0.06);
    color: var(--amber);
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--noir-rule);
}

.roadmap-status {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.roadmap-item.completed .roadmap-status {
    color: var(--done);
}

.roadmap-item.current .roadmap-status {
    color: var(--amber);
}

.progress-bar {
    height: 6px;
    background: var(--noir-rule);
    margin-bottom: var(--sp-sm);
    overflow: hidden;
    border: 1px solid var(--noir-rule-light);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--amber-dim) 0%, var(--amber) 100%);
    transition: width 1s ease;
}

/* ============================================
   Download
   ============================================ */

.download {
    background: var(--noir-black);
    border-top: 1px solid var(--noir-rule);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--sp-md);
    margin-bottom: var(--sp-xl);
}

.download-card {
    background: var(--noir-panel);
    padding: var(--sp-xl) var(--sp-lg);
    border: 1px solid var(--noir-rule);
    text-align: center;
}

.download-icon {
    font-size: 2.5rem;
    margin-bottom: var(--sp-sm);
}

.download-icon.platform-icon {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--amber);
    background: rgba(212, 160, 74, 0.06);
    border: 1px solid var(--noir-rule-light);
    padding: 0.5rem 1rem;
    letter-spacing: 0.15em;
}

.coming-soon-banner {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--amber);
    text-align: center;
    padding: var(--sp-sm) var(--sp-md);
    margin-bottom: var(--sp-xl);
    border: 1px solid var(--amber-dim);
    background: rgba(212, 160, 74, 0.03);
    letter-spacing: 0.2em;
}

.blink {
    animation: blink-animation 1.2s steps(2, start) infinite;
}

@keyframes blink-animation {
    to { visibility: hidden; }
}

.soon-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.download-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--sp-xs);
    color: var(--text-bright);
}

.download-card p {
    color: var(--text-body);
    font-size: 0.88rem;
    margin-bottom: var(--sp-md);
}

.btn-download {
    width: 100%;
    justify-content: center;
    background: var(--amber);
    color: var(--noir-black);
}

.btn-download.disabled {
    background: var(--noir-rule);
    color: var(--text-dim);
    cursor: not-allowed;
}

.system-requirements {
    background: var(--noir-panel);
    padding: var(--sp-lg);
    border: 1px solid var(--noir-rule);
}

.system-requirements h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--sp-md);
    color: var(--text-bright);
    letter-spacing: 0.02em;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sp-sm);
}

.requirement {
    font-size: 0.88rem;
    color: var(--text-body);
}

.requirement strong {
    color: var(--text-bright);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--noir-dark);
    padding: var(--sp-xl) 0 var(--sp-lg);
    border-top: 1px solid var(--noir-rule);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sp-xl);
    margin-bottom: var(--sp-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--sp-xs);
}

.footer-brand .logo-icon {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--amber);
}

.footer-brand .logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
}

.footer-brand p {
    color: var(--text-dim);
    font-size: 0.88rem;
}

.footer-links h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--sp-sm);
    color: var(--text-dim);
}

.footer-links a {
    display: block;
    color: var(--text-body);
    font-size: 0.88rem;
    margin-bottom: var(--sp-xs);
}

.footer-links a:hover {
    color: var(--amber);
}

.footer-bottom {
    padding-top: var(--sp-lg);
    border-top: 1px solid var(--noir-rule);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
}

/* ============================================
   Changelog Terminal Modal
   ============================================ */

.terminal-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(12, 11, 10, 0.9);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    padding: var(--sp-md);
}

.terminal-modal.active {
    display: flex;
}

.terminal-window {
    background: var(--noir-black);
    border: 1px solid var(--amber-dim);
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 40px rgba(212, 160, 74, 0.15);
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    background: var(--noir-dark);
    border-bottom: 1px solid var(--noir-rule);
}

.terminal-buttons {
    display: flex;
    gap: 6px;
}

.terminal-btn {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-btn.red { background: #8a4040; }
.terminal-btn.yellow { background: #8a7a40; }
.terminal-btn.green { background: #4a7a40; }

.terminal-title {
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--amber-dim);
    letter-spacing: 0.12em;
}

.terminal-close {
    background: none;
    border: 1px solid var(--noir-rule-light);
    color: var(--amber-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 2px 8px;
    cursor: pointer;
    transition: var(--transition);
}

.terminal-close:hover {
    background: var(--amber);
    color: var(--noir-black);
}

.terminal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: var(--noir-black);
}

.terminal-content {
    position: relative;
}

.changelog-text {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--text-dim);
    white-space: pre;
    margin: 0;
}

/* Terminal text colors — muted noir palette */
.term-amber { color: var(--amber); }
.term-green { color: var(--done); }
.term-cyan { color: var(--slate); }
.term-yellow { color: var(--sepia); }
.term-white { color: var(--text-body); }
.term-red { color: #a05040; }

/* Terminal scrollbar */
.terminal-body::-webkit-scrollbar { width: 8px; }
.terminal-body::-webkit-scrollbar-track { background: var(--noir-black); }
.terminal-body::-webkit-scrollbar-thumb { background: var(--noir-rule-light); }
.terminal-body::-webkit-scrollbar-thumb:hover { background: var(--amber-dim); }

/* Changelog link */
.changelog-link {
    color: var(--amber) !important;
}

.changelog-link:hover {
    color: var(--cream) !important;
}

/* ============================================
   Devlog Page (standalone)
   ============================================ */

.devlog-page {
    min-height: 100vh;
    background: var(--noir-black);
    padding-top: 70px;
}

.devlog-container {
    max-width: 850px;
    margin: 0 auto;
    padding: var(--sp-lg);
}

.devlog-header {
    text-align: center;
    margin-bottom: var(--sp-xl);
}

.devlog-header h1 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--amber);
    margin-bottom: 0.3rem;
}

.devlog-header .subtitle {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.devlog-entry {
    background: var(--noir-panel);
    border: 1px solid var(--noir-rule);
    border-left: 3px solid var(--noir-rule-light);
    padding: var(--sp-lg);
    margin-bottom: var(--sp-lg);
    transition: var(--transition);
}

.devlog-entry:hover {
    border-left-color: var(--amber-dim);
}

.devlog-entry.latest {
    border-left-color: var(--amber);
    box-shadow: -4px 0 12px rgba(212, 160, 74, 0.06);
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--sp-md);
    padding-bottom: var(--sp-xs);
    border-bottom: 1px solid var(--noir-rule);
}

.entry-date {
    font-family: var(--font-mono);
    color: var(--amber);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}

.entry-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-dim);
    background: rgba(212, 160, 74, 0.06);
    padding: 0.15rem 0.6rem;
    border: 1px solid var(--noir-rule);
}

.entry-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: var(--sp-sm);
    line-height: 1.4;
}

.entry-body {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.75;
}

.entry-body p { margin-bottom: var(--sp-sm); }

.entry-body h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--amber);
    margin: var(--sp-md) 0 0.6rem 0;
    letter-spacing: 0.02em;
}

.entry-body ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--sp-sm) 0;
}

.entry-body li {
    position: relative;
    padding-left: 1.3rem;
    margin-bottom: 0.5rem;
}

.entry-body li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--amber-dim);
    font-family: var(--font-mono);
}

.entry-body code {
    font-family: var(--font-mono);
    background: rgba(212, 160, 74, 0.06);
    color: var(--amber);
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--noir-rule);
    font-size: 0.85rem;
}

.entry-body .tech-detail {
    background: var(--noir-black);
    border-left: 2px solid var(--amber-dim);
    padding: var(--sp-sm) var(--sp-md);
    margin: var(--sp-sm) 0;
    font-size: 0.88rem;
}

.entry-body .tech-detail strong {
    color: var(--amber);
}

.entry-body .entry-figure {
    margin: var(--sp-md) 0;
    overflow: hidden;
    border: 1px solid var(--noir-rule);
    background: var(--noir-black);
}

.entry-body .entry-figure img {
    width: 100%;
    height: auto;
    display: block;
    filter: contrast(1.05) saturate(0.9);
}

.entry-body .entry-figure figcaption {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    text-align: center;
    border-top: 1px solid var(--noir-rule);
    letter-spacing: 0.03em;
}

.entry-body .figure-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-sm);
    margin: var(--sp-md) 0;
}

.entry-body .figure-row .entry-figure { margin: 0; }

.entry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: var(--sp-md);
    padding-top: var(--sp-sm);
    border-top: 1px solid var(--noir-rule);
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border: 1px solid;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tag.rendering { color: var(--amber); border-color: var(--amber-dim); }
.tag.performance { color: var(--done); border-color: rgba(106, 154, 90, 0.4); }
.tag.bugfix { color: #c89040; border-color: rgba(200, 144, 64, 0.3); }
.tag.architecture { color: var(--slate); border-color: rgba(122, 139, 143, 0.3); }
.tag.shader { color: var(--sepia); border-color: rgba(196, 154, 108, 0.3); }
.tag.world { color: var(--ink-blue); border-color: rgba(74, 102, 112, 0.3); }

.back-link {
    display: inline-block;
    font-family: var(--font-mono);
    color: var(--amber);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: var(--sp-lg);
    letter-spacing: 0.06em;
}

.back-link:hover {
    color: var(--cream);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-stats { gap: var(--sp-lg); }
    .stat-value { font-size: 1.8rem; }
    .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
    .gallery-item.large { grid-column: span 2; grid-row: span 1; }
    .arch-comparison { grid-template-columns: 1fr; }
    .megastructure-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .footer-brand { align-items: center; }
    .diary-figure-row { grid-template-columns: 1fr; }
    .entry-header { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
    .entry-body .figure-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 260px; justify-content: center; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item.large { grid-column: span 1; }
}