/* ============================================================
   RUSTCHAIN.ORG - VINTAGE TERMINAL AESTHETIC
   Proof of Antiquity - 1 CPU = 1 Vote
   ============================================================ */

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

:root {
    --green: #33ff33;
    --green-dim: #1a8c1a;
    --green-glow: #00ff0044;
    --amber: #ffb000;
    --amber-dim: #996a00;
    --amber-glow: #ffb00033;
    --red: #ff4444;
    --cyan: #00ffff;
    --bg-dark: #0a0a0a;
    --bg-card: #0d1117;
    --bg-terminal: #000800;
    --border: #1a331a;
    --text-dim: #668866;
    --text-body: #a0c8a0;
    --font-mono: 'IBM Plex Mono', 'Share Tech Mono', 'Courier New', monospace;
    --font-display: 'VT323', 'IBM Plex Mono', monospace;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px;
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-dark);
    color: var(--green);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 15px;
}

/* --- CRT OVERLAY EFFECTS --- */
.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: radial-gradient(
        ellipse at center,
        transparent 60%,
        rgba(0, 0, 0, 0.35) 100%
    );
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15) 0px,
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 3px
    );
}

/* --- NAVIGATION --- */
.terminal-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 50px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8em;
    color: var(--green);
    text-shadow: 0 0 10px var(--green-glow);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    padding: 6px 14px;
    font-size: 0.85em;
    letter-spacing: 1px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--green);
    border-color: var(--border);
    background: rgba(51, 255, 51, 0.05);
    text-shadow: 0 0 8px var(--green-glow);
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--green);
    font-size: 1.4em;
    padding: 4px 10px;
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero {
    padding: 80px 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.terminal-window {
    background: var(--bg-terminal);
    border: 1px solid var(--green-dim);
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        0 0 30px rgba(51, 255, 51, 0.08),
        inset 0 0 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: #1a1a1a;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #333;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    margin-left: 12px;
    color: #888;
    font-size: 0.85em;
}

.terminal-body {
    padding: 30px;
}

.ascii-art {
    color: var(--green);
    font-family: var(--font-mono);
    font-size: clamp(0.45em, 1.8vw, 0.9em);
    line-height: 1.2;
    text-align: center;
    text-shadow: 0 0 15px var(--green-glow);
    white-space: pre;
    overflow-x: auto;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2em, 5vw, 3.5em);
    text-align: center;
    color: var(--amber);
    text-shadow: 0 0 20px var(--amber-glow);
    letter-spacing: 6px;
    margin-bottom: 10px;
}

.hero-tagline {
    text-align: center;
    font-size: 1.3em;
    color: var(--text-body);
    margin-bottom: 24px;
}

.hero-prompt {
    text-align: center;
    font-size: 1.05em;
    color: var(--green-dim);
    margin-bottom: 30px;
}

.prompt-char {
    color: var(--green);
    font-weight: bold;
    margin-right: 8px;
}

.cursor {
    display: inline-block;
    color: var(--green);
    font-weight: bold;
}

.blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- LIVE STATS --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.stat-box {
    background: rgba(51, 255, 51, 0.03);
    border: 1px solid var(--border);
    padding: 16px;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75em;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.8em;
    color: var(--green);
    text-shadow: 0 0 10px var(--green-glow);
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    margin-right: 4px;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--green); }
    50% { opacity: 0.4; box-shadow: 0 0 12px var(--green); }
}

/* --- HERO BUTTONS --- */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--font-mono);
    font-size: 1em;
    padding: 12px 28px;
    text-decoration: none;
    letter-spacing: 1px;
    border: 1px solid;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    color: var(--bg-dark);
    background: var(--green);
    border-color: var(--green);
}

.btn-primary:hover {
    background: transparent;
    color: var(--green);
    text-shadow: 0 0 10px var(--green-glow);
    box-shadow: 0 0 20px var(--green-glow);
}

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

.btn-secondary:hover {
    border-color: var(--amber);
    text-shadow: 0 0 10px var(--amber-glow);
    box-shadow: 0 0 20px var(--amber-glow);
}

/* --- SECTIONS --- */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.section-header {
    font-family: var(--font-mono);
    font-size: 1.1em;
    color: var(--green);
    padding: 10px 16px;
    background: var(--bg-terminal);
    border: 1px solid var(--border);
    border-bottom: none;
    margin-bottom: 0;
    text-shadow: 0 0 8px var(--green-glow);
}

/* --- CONTENT CARDS --- */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 0;
    border: 1px solid var(--border);
}

.content-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
}

.content-card.full-width {
    grid-column: 1 / -1;
}

.content-card h2 {
    font-family: var(--font-display);
    font-size: 1.6em;
    color: var(--amber);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.content-card h3 {
    font-family: var(--font-mono);
    font-size: 1.1em;
    color: var(--green);
    margin-bottom: 12px;
}

.content-card p {
    color: var(--text-body);
    margin-bottom: 12px;
    font-size: 0.95em;
}

.content-card p strong {
    color: var(--green);
}

.highlight-text {
    color: var(--amber) !important;
    font-style: italic;
    border-left: 3px solid var(--amber-dim);
    padding-left: 16px;
}

.small-note {
    color: var(--text-dim);
    font-size: 0.9em;
    margin-top: 10px;
}

/* --- CODE BLOCKS --- */
.code-block {
    background: #000;
    border: 1px solid var(--border);
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
    position: relative;
}

.code-block pre {
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--green);
    line-height: 1.5;
    white-space: pre;
}

.code-block.small pre {
    font-size: 0.82em;
}

.code-block.copyable {
    cursor: pointer;
    transition: border-color 0.2s;
}

.code-block.copyable:hover {
    border-color: var(--green);
}

.copy-hint {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 0.7em;
    color: var(--text-dim);
}

.code-link {
    color: var(--cyan);
    text-decoration: none;
}

.code-link:hover {
    text-decoration: underline;
}

/* --- VINTAGE TABLE --- */
.table-wrapper {
    overflow-x: auto;
    margin: 16px 0;
}

.vintage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88em;
}

.vintage-table th {
    color: var(--amber);
    text-align: left;
    padding: 10px 14px;
    border-bottom: 2px solid var(--amber-dim);
    font-weight: 500;
    letter-spacing: 1px;
    font-size: 0.85em;
    white-space: nowrap;
}

.vintage-table td {
    padding: 8px 14px;
    border-bottom: 1px solid #1a1a1a;
    color: var(--text-body);
}

.vintage-table tr:hover td {
    background: rgba(51, 255, 51, 0.03);
}

.row-highlight td {
    background: rgba(255, 176, 0, 0.04);
}

.multiplier {
    color: var(--green);
    font-weight: bold;
}

.multiplier.gold {
    color: var(--amber);
    text-shadow: 0 0 6px var(--amber-glow);
}

.multiplier.dim {
    color: var(--text-dim);
}

/* --- CHECK LIST --- */
.check-list {
    margin: 16px 0;
}

.check-item {
    padding: 6px 0;
    font-size: 0.92em;
}

.check-item.pass {
    color: var(--green);
}

.check-icon {
    margin-right: 8px;
    font-weight: bold;
}

.small-text {
    font-size: 0.8em !important;
    color: var(--text-dim) !important;
    font-style: italic;
}

/* --- ARCHITECTURE GRID --- */
.arch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.arch-card {
    text-align: center;
    padding: 20px 12px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.arch-card:hover {
    border-color: var(--green-dim);
    box-shadow: 0 0 20px rgba(51, 255, 51, 0.08);
    transform: translateY(-2px);
}

.arch-icon {
    font-size: 2.4em;
    margin-bottom: 8px;
    color: var(--amber);
}

.arch-card h4 {
    color: var(--green);
    font-size: 1.1em;
    margin-bottom: 4px;
}

.arch-card p {
    color: var(--text-dim);
    font-size: 0.8em;
    margin-bottom: 8px;
}

.arch-bonus {
    display: inline-block;
    font-size: 0.78em;
    color: var(--amber);
    border: 1px solid var(--amber-dim);
    padding: 2px 8px;
    letter-spacing: 1px;
}

/* --- DEX LINKS --- */
.dex-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.dex-btn {
    display: block;
    text-align: center;
    padding: 14px 16px;
    background: transparent;
    border: 1px solid var(--green-dim);
    color: var(--green);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95em;
    letter-spacing: 2px;
    transition: all 0.2s ease;
}

.dex-btn:hover {
    background: var(--green);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--green-glow);
}

.dex-btn .arrow {
    margin-left: 6px;
}

/* --- LINK LISTS --- */
.link-list {
    margin: 12px 0;
}

.link-item {
    display: block;
    padding: 10px 12px;
    color: var(--text-body);
    text-decoration: none;
    border-bottom: 1px solid #111;
    transition: all 0.15s ease;
}

.link-item:hover {
    background: rgba(51, 255, 51, 0.04);
    color: var(--green);
    padding-left: 18px;
}

.link-icon {
    color: var(--green);
    margin-right: 10px;
    font-weight: bold;
}

/* --- FOOTER --- */
.terminal-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding: 30px 20px;
    text-align: center;
}

.footer-inner {
    max-width: 800px;
    margin: 0 auto;
}

.footer-ascii pre {
    font-family: var(--font-mono);
    font-size: 0.82em;
    color: var(--green-dim);
    line-height: 1.3;
    display: inline-block;
    text-align: left;
}

.footer-links {
    margin: 16px 0;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85em;
    transition: color 0.2s;
}

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

.footer-sep {
    color: #333;
    margin: 0 8px;
}

.footer-copy {
    font-size: 0.78em;
    color: #444;
    margin-top: 12px;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 1.1em;
    color: var(--green-dim);
    margin-top: 8px;
    letter-spacing: 2px;
}

/* --- SELECTION --- */
::selection {
    background: var(--green);
    color: var(--bg-dark);
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--green-dim);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 50px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px 20px;
        border-bottom: 1px solid #111;
    }

    .nav-toggle {
        display: block;
    }

    .terminal-body {
        padding: 16px;
    }

    .hero {
        padding: 70px 10px 20px;
    }

    .section {
        padding: 40px 10px;
    }

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

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

    .hero-title {
        letter-spacing: 3px;
    }

    .hero-tagline {
        font-size: 1em;
    }

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

    .dex-links {
        grid-template-columns: 1fr;
    }

    .footer-ascii pre {
        font-size: 0.6em;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .ascii-art {
        font-size: 0.35em;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

/* --- AMBIENT FLICKER (subtle) --- */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    92% { opacity: 1; }
    93% { opacity: 0.8; }
    94% { opacity: 1; }
    96% { opacity: 0.9; }
    97% { opacity: 1; }
}

.terminal-window {
    animation: flicker 8s ease-in-out infinite;
}

/* --- GLOW TEXT UTIL --- */
.glow {
    text-shadow: 0 0 10px var(--green-glow), 0 0 20px var(--green-glow);
}

/* --- PRINT --- */
@media print {
    .crt-overlay, .scanlines, .terminal-nav {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .green, .stat-value, .hero-title {
        color: black !important;
        text-shadow: none !important;
    }
}