/* ============================================
   Arcan — getarcan.dev
   Dark theme, minimal, developer-focused
   ============================================ */

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

:root {
    --bg: #0a0a0a;
    --bg-alt: #111111;
    --bg-card: #161616;
    --bg-terminal: #0d1117;
    --text: #e5e5e5;
    --text-dim: #a3a3a3;
    --text-muted: #737373;
    --accent: #10b981;
    --accent-dim: #065f46;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --border: #262626;
    --radius: 8px;
    --max-w: 1200px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    text-decoration: underline;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* Container */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
}

.nav-logo {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-dim);
    font-size: 0.9rem;
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text);
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    border: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
    font-weight: 600;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: #34d399;
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text-dim);
    background: var(--bg-card);
}

/* Hero */
.hero {
    padding: 160px 0 80px;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid var(--accent-dim);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.6rem;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Why Arcan section */
.why-section {
    padding: 60px 0 80px;
    border-top: 1px solid var(--border);
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: border-color 0.2s ease;
}

.why-card:hover {
    border-color: var(--accent-dim);
}

.why-icon {
    color: var(--accent);
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.why-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 12px;
}

.section-desc {
    text-align: center;
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

/* Grid */
.grid {
    display: grid;
    gap: 20px;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Terminal */
.terminal {
    background: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    max-width: 720px;
    margin: 0 auto;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: #161b22;
    border-bottom: 1px solid var(--border);
}

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

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    margin-left: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.terminal-body {
    padding: 20px;
    overflow-x: auto;
}

.terminal-body code {
    display: block;
    white-space: pre;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-dim);
}

.terminal-body .prompt {
    color: var(--accent);
    user-select: none;
}

.terminal-body .output {
    color: var(--text-muted);
}

.terminal-body .string {
    color: #a5d6ff;
}

.terminal-body .keyword {
    color: #ff7b72;
}

.terminal-body .function {
    color: #d2a8ff;
}

.terminal-body .comment {
    color: #8b949e;
    font-style: italic;
}

.terminal-body .number {
    color: #79c0ff;
}

/* Comparison Table */
.comparison-table-wrap {
    max-width: 720px;
    margin: 0 auto;
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table thead th {
    text-align: left;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.comparison-table thead th:last-child {
    color: var(--accent);
}

.comparison-table tbody td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody td:first-child {
    color: var(--text-muted);
}

.comparison-table tbody td:last-child {
    color: var(--text-dim);
}

.check {
    color: var(--accent);
    font-weight: 700;
    margin-right: 6px;
}

/* Comparison mobile (hidden on desktop) */
.comparison-mobile {
    display: none;
}

.comparison-mobile-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 12px;
}

.comparison-mobile-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.comparison-mobile-value {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Built from Pain */
.pain-block {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.pain-block h2 {
    margin-bottom: 20px;
}

.pain-block p {
    color: var(--text-dim);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.pain-block p:last-child {
    color: var(--text);
    font-weight: 500;
    font-style: italic;
    margin-bottom: 0;
}

/* Plugin Grid */
.plugin-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.plugin-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    transition: border-color 0.15s ease;
}

.plugin-item:hover {
    border-color: var(--accent-dim);
}

.plugin-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
}

.plugin-cta {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.plugin-cta a {
    color: var(--accent);
    font-weight: 500;
}

/* SSO list */
.sso-list {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 100px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.cta-section h2 {
    margin-bottom: 12px;
}

.cta-section .hero-actions {
    margin-top: 32px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-name {
    font-weight: 700;
    font-size: 1rem;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

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

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

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

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .plugin-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 50px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .why-section {
        padding: 40px 0 60px;
    }

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 1.6rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .plugin-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .terminal-body code {
        font-size: 0.78rem;
    }

    /* Hide desktop table, show mobile stacked */
    .comparison-table-wrap {
        display: none;
    }

    .comparison-mobile {
        display: block;
        max-width: 480px;
        margin: 0 auto;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-link {
        display: none;
    }

    .pain-block p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .plugin-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .btn-lg {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }
}