/* ── Obsidian Signal — Emerald ── */

:root {
    --bg: #0e0f13;
    --bg-card: #161820;
    --bg-alt: #111218;
    --border: #2a2d36;
    --text: #e8e8ed;
    --text-secondary: #9a9bac;
    --text-muted: #6b6d7e;
    --accent: #00cc88;
    --accent-dim: rgba(0, 204, 136, 0.15);
    --accent-glow: rgba(0, 204, 136, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --max-width: 1120px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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

img { max-width: 100%; display: block; }

/* ── Age Gate ── */

.age-gate {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.age-gate.hidden { display: none; }

.age-gate-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    text-align: center;
    max-width: 420px;
    width: 90%;
}

.age-gate-logo {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 16px;
}

.age-gate-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.age-gate-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.age-gate-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn--primary {
    background: var(--accent);
    color: #0e0f13;
}

.btn--primary:hover {
    background: #00e69a;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

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

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

.btn--lg {
    padding: 16px 36px;
    font-size: 17px;
}

/* ── Header ── */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(14, 15, 19, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.nav-logo-icon {
    color: var(--accent);
    font-size: 22px;
}

.nav-logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: 0.2s;
}

/* ── Hero ── */

.hero {
    position: relative;
    overflow: hidden;
    padding: 120px 24px 100px;
    text-align: center;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Signal Strip ── */

.signal-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

.signal-strip-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.signal-stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.signal-stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Sections ── */

.section {
    padding: 100px 24px;
}

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

.section--cta {
    padding: 80px 24px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 48px;
    line-height: 1.7;
}

/* ── Feature Cards ── */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 24px var(--accent-dim);
}

.feature-icon {
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Audience Cards ── */

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.audience-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.audience-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent);
}

.audience-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── Pages ── */

.page {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

.page-header {
    margin-bottom: 48px;
}

.page-header h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.page-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 12px;
}

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 32px 0 8px;
}

.page-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.page-content ul, .page-content ol {
    color: var(--text-secondary);
    padding-left: 24px;
    margin-bottom: 16px;
}

.page-content li { margin-bottom: 8px; line-height: 1.7; }

.page-content strong { color: var(--text); }

/* ── Blog Post Cards ── */

.post-card {
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
}

.post-card:last-child { border-bottom: none; }

.post-card-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.post-card-tag {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.post-card h2 {
    font-size: 22px;
    margin: 0 0 8px;
}

.post-card h2 a {
    color: var(--text);
    text-decoration: none;
}

.post-card h2 a:hover { color: var(--accent); }

.post-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 8px;
}

.post-card-link {
    font-size: 14px;
    font-weight: 600;
}

/* ── Demo Form ── */

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 480px;
}

.demo-form label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.demo-form input, .demo-form textarea, .demo-form select {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 15px;
    font-family: var(--font);
    width: 100%;
    transition: border-color 0.2s;
}

.demo-form input:focus, .demo-form textarea:focus, .demo-form select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

.demo-form textarea { min-height: 120px; resize: vertical; }

.demo-form .form-group { display: flex; flex-direction: column; gap: 4px; }

.form-success {
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 16px;
    color: var(--accent);
    font-weight: 600;
    display: none;
}

/* ── Footer ── */

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
    padding: 64px 24px 24px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 48px;
}

.footer-brand .nav-logo-icon { font-size: 20px; }
.footer-brand .nav-logo-text { font-size: 16px; font-weight: 700; }

.footer-tagline {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    text-decoration: none;
}

.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    max-width: var(--max-width);
    margin: 48px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
    }
    .nav--open .nav-links { display: flex; }

    .signal-strip-inner { grid-template-columns: repeat(2, 1fr); }
    .feature-grid, .audience-grid { grid-template-columns: 1fr; }

    .hero { padding: 80px 24px 60px; }

    .footer-inner { flex-direction: column; }
    .footer-links { flex-direction: column; gap: 32px; }
}