:root {
  color-scheme: dark;
  --background: #070b12;
  --surface: #101722;
  --surface-2: #161f2d;
  --border: rgba(255, 255, 255, 0.1);
  --text: #f6f8fb;
  --muted: #a9b4c4;
  --accent: #7de2d1;
  --accent-strong: #43cbb8;
  --ink: #07110f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.nav-shell { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--border); background: rgba(7, 11, 18, 0.86); backdrop-filter: blur(16px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -0.02em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--accent); color: var(--ink); font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover, .footer-links a:hover { color: var(--text); }
.button { display: inline-flex; justify-content: center; align-items: center; border: 1px solid var(--accent); border-radius: 10px; padding: 10px 16px; background: var(--accent); color: var(--ink); font-weight: 750; transition: transform 150ms ease, background 150ms ease; }
.button:hover { transform: translateY(-1px); background: var(--accent-strong); }
.button-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.button-large { padding: 14px 22px; }
.hero { padding-block: 112px 92px; position: relative; }
.hero::after { content: ""; position: absolute; inset: 20px 10% auto 45%; height: 420px; background: radial-gradient(circle, rgba(67, 203, 184, 0.18), transparent 65%); pointer-events: none; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.76rem; font-weight: 800; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.04em; margin-top: 0; }
h1 { max-width: 930px; margin-bottom: 24px; font-size: clamp(3rem, 7vw, 6.3rem); }
h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
h3 { font-size: 1.35rem; }
.hero-copy { max-width: 720px; font-size: clamp(1.08rem, 2vw, 1.35rem); color: var(--muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-proof { margin-top: 68px; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--border); }
.hero-proof span { padding: 18px; text-align: center; color: var(--muted); border-right: 1px solid var(--border); }
.hero-proof span:last-child { border-right: 0; }
.section { padding-block: 92px; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading p, .developer-layout p, .final-cta p { color: var(--muted); font-size: 1.08rem; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-card, .price-card { border: 1px solid var(--border); border-radius: 18px; padding: 28px; background: linear-gradient(145deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012)); }
.feature-card p, .price-card p, .price-card li { color: var(--muted); }
.feature-number { color: var(--accent); font-family: ui-monospace, monospace; font-size: 0.82rem; }
.section-dark { background: var(--surface); border-block: 1px solid var(--border); }
.developer-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 64px; }
.check-list { padding: 0; list-style: none; color: var(--muted); }
.check-list li { margin-block: 9px; }
.check-list li::before { content: "✓"; color: var(--accent); margin-right: 10px; }
.code-window { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 16px; background: #05080d; box-shadow: 0 28px 80px rgba(0,0,0,0.35); }
.code-tabs { display: flex; border-bottom: 1px solid var(--border); padding: 10px; gap: 5px; }
.code-tab { border: 0; border-radius: 8px; padding: 7px 11px; background: transparent; color: var(--muted); cursor: pointer; }
.code-tab.active { background: var(--surface-2); color: var(--text); }
pre { margin: 0; padding: 28px; min-height: 330px; overflow: auto; color: #dce7f5; font-size: 0.9rem; }
.copy-button { position: absolute; right: 14px; bottom: 14px; border: 1px solid var(--border); border-radius: 8px; padding: 7px 11px; background: var(--surface); color: var(--text); cursor: pointer; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--accent); transform: translateY(-10px); }
.price { margin: 4px 0 12px; }
.price span { color: var(--text); font-size: 2.7rem; font-weight: 850; }
.price-card ul { flex: 1; padding-left: 20px; }
.price-badge { position: absolute; right: 18px; top: 18px; background: var(--accent); color: var(--ink); font-size: 0.72rem; font-weight: 800; border-radius: 999px; padding: 4px 9px; }
.pricing-note { color: var(--muted); text-align: center; margin-top: 26px; }
.final-cta { display: flex; justify-content: space-between; align-items: center; gap: 36px; border-top: 1px solid var(--border); }
.footer { padding-block: 45px; border-top: 1px solid var(--border); }
.footer-layout { display: flex; justify-content: space-between; gap: 24px; color: var(--muted); }
.footer-links { display: flex; gap: 22px; align-items: center; }

@media (max-width: 900px) {
  .nav-links > a:not(.button) { display: none; }
  .hero-proof { grid-template-columns: repeat(2, 1fr); }
  .hero-proof span:nth-child(2) { border-right: 0; }
  .developer-layout { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.featured { transform: none; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 24px, 1160px); }
  .nav-links .button-ghost { display: none; }
  .hero { padding-block: 78px 66px; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof span { border-right: 0; border-bottom: 1px solid var(--border); }
  .hero-proof span:last-child { border-bottom: 0; }
  .final-cta, .footer-layout { align-items: flex-start; flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
}
