/* ── NAV ────────────────────────────────────── */
.nav { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; height: 56px; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 0.5px solid transparent; }
.nav.scrolled { background: rgba(5,5,8,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom-color: var(--border); }
.nav-wordmark { font: 800 14px var(--font-display); letter-spacing: 0.14em; color: #fff; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links .nl { font: 500 11px/1 var(--font-body); color: var(--text-secondary); letter-spacing: 0.02em; transition: color .15s; }
.nav-links .nl:hover { color: var(--text-primary); }
.nav-cta { background: var(--accent); color: var(--bg-base); font: 600 11px/1 var(--font-body); padding: 9px 18px; border-radius: var(--radius-md); letter-spacing: 0.01em; border: none; cursor: pointer; transition: opacity .15s; }
.nav-cta:hover { opacity: 0.85; }

/* ── HERO ───────────────────────────────────── */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 120px 24px 80px; }
.overline { font: 500 10px/1 var(--font-body); letter-spacing: 0.20em; color: var(--accent); margin-bottom: 22px; display: flex; align-items: center; gap: 2px; }
.overline .cursor { display: inline-block; width: 1px; height: 12px; background: var(--accent); margin-left: 3px; animation: blink3 2.4s steps(1) forwards; }
@keyframes blink3 { 0%,16.6% {opacity:1} 8.3%,24.9% {opacity:0} 33.2%,49.8% {opacity:1} 41.5%,58.1% {opacity:0} 66.4%,100% {opacity:1} 83% {opacity:0} }
.hero-title { font: 800 52px/1.0 var(--font-display); letter-spacing: -0.025em; color: var(--text-primary); margin-bottom: 18px; }
.hero-sub { font: 300 15px/1.75 var(--font-body); color: var(--text-secondary); max-width: 280px; margin: 0 auto 28px; }
.hero-ctas { display: flex; gap: 12px; margin-bottom: 48px; }
.cta-primary { background: var(--accent); color: var(--bg-base); font: 600 13px/1 var(--font-body); padding: 11px 22px; border-radius: var(--radius-md); letter-spacing: 0.01em; transition: opacity .15s; border: none; cursor: pointer; }
.cta-primary:hover { opacity: 0.85; }
.cta-ghost { border: 0.5px solid var(--border-strong); color: var(--text-secondary); font: 400 13px/1 var(--font-body); padding: 11px 22px; border-radius: var(--radius-md); transition: border-color .15s, color .15s; background: transparent; cursor: pointer; }
.cta-ghost:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.compat-strip { font: 500 10px/1 var(--font-body); color: var(--text-muted); letter-spacing: 0.06em; }
.compat-strip span { color: var(--text-secondary); }

/* ── STATS ──────────────────────────────────── */
.stats { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); }
.stat-item { padding: 40px 24px; text-align: center; border-right: 0.5px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-number { font: 800 48px/1 var(--font-display); letter-spacing: -0.03em; color: var(--text-primary); margin-bottom: 8px; }
.stat-number .accent { color: var(--accent); }
.stat-label { font: 500 10px/1.4 var(--font-body); letter-spacing: 0.10em; color: var(--text-muted); text-transform: uppercase; }

/* ── PHILOSOPHY ─────────────────────────────── */
.philosophy { padding: var(--space-2xl) 24px; text-align: center; }
.accent-dot { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; margin: 0 auto 28px; }
.philosophy-text { font: 300 19px/1.75 var(--font-body); color: var(--text-secondary); max-width: 420px; margin: 0 auto; }
.philosophy-text strong { color: var(--text-primary); font-weight: 400; }

/* ── COMPAT ─────────────────────────────────── */
.compat { padding: var(--space-2xl) 24px; max-width: 640px; margin: 0 auto; }
.compat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.compat-item { background: var(--bg-base); padding: 24px 20px; }
.compat-provider { font: 500 10px/1 var(--font-body); color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }
.compat-models { font: 400 13px/1.5 var(--font-body); color: var(--text-secondary); }

/* ── INTEGRATION ────────────────────────────── */
.integration { padding: var(--space-2xl) 24px; text-align: center; }
.code-block { background: var(--bg-deep); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 28px 32px; text-align: left; font: 400 13px/1.9 var(--font-mono); color: var(--text-secondary); max-width: 520px; margin: 0 auto; position: relative; overflow-x: auto; }
.code-line-nesion { color: var(--text-primary); }
.code-comment { color: var(--accent); opacity: 0.7; }
.code-keyword { color: rgba(180, 160, 255, 0.8); }
.code-string { color: rgba(255, 200, 120, 0.8); }
.code-badge { position: absolute; top: 14px; right: 16px; font: 500 10px/1 var(--font-body); color: var(--accent); letter-spacing: 0.08em; opacity: 0.6; }

/* ── PRICING ────────────────────────────────── */
.pricing { padding: var(--space-2xl) 24px; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 680px; margin: 0 auto; }
.plan-card { background: var(--bg-surface); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.plan-card.featured { border-color: var(--accent-mid); background: linear-gradient(135deg, rgba(0,217,126,0.03) 0%, var(--bg-surface) 100%); }
.plan-tier { font: 500 10px/1 var(--font-body); letter-spacing: 0.14em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px; }
.plan-price { font: 800 32px/1 var(--font-display); letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 5px; }
.plan-price .unit { font: 400 13px/1 var(--font-body); color: var(--text-muted); }
.plan-tagline { font: 400 12px/1.6 var(--font-body); color: var(--text-secondary); margin-bottom: 20px; }
.plan-features { list-style: none; margin-bottom: 20px; }
.plan-features li { font: 400 12px/1.5 var(--font-body); color: var(--text-secondary); padding: 4px 0; display: flex; gap: 8px; align-items: flex-start; }
.plan-features li::before { content: ''; width: 3px; height: 3px; background: rgba(0, 217, 126, 0.5); border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.plan-cta { display: block; text-align: center; padding: 10px; border-radius: var(--radius-md); font: 500 12px/1 var(--font-body); letter-spacing: 0.01em; transition: all .15s; cursor: pointer; border: none; width: 100%; }
.plan-cta.ghost { border: 0.5px solid var(--border-mid); color: var(--text-secondary); background: transparent; }
.plan-cta.ghost:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.plan-cta.solid { background: var(--accent); color: var(--bg-base); }
.plan-cta.solid:hover { opacity: 0.85; }
.plan-note { font: 400 10px/1.5 var(--font-body); color: var(--text-muted); margin-top: 10px; text-align: center; }

/* ── FOOTER ─────────────────────────────────── */
footer { padding: 24px 40px; display: flex; align-items: center; justify-content: space-between; border-top: 0.5px solid var(--border); }
.footer-wordmark { font: 800 13px var(--font-display); letter-spacing: 0.12em; color: var(--text-muted); }
.footer-code { font: 400 11px var(--font-mono); color: rgba(0, 217, 126, 0.4); letter-spacing: 0.04em; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font: 400 11px/1 var(--font-body); color: var(--text-hint); letter-spacing: 0.03em; transition: color .15s; }
.footer-links a:hover { color: var(--text-secondary); }

/* ── RESPONSIVE ─────────────────────────────── */
@media(max-width: 640px) {
    .hero-title { font-size: 36px; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-item { border-right: none; border-bottom: 0.5px solid var(--border); }
    .stat-item:last-child { border-bottom: none; }
    .pricing-grid { grid-template-columns: 1fr; }
    .compat-grid { grid-template-columns: 1fr 1fr; }
    .nav-links .nl { display: none; }
    footer { flex-direction: column; gap: 16px; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}