:root {
  --bg: #0b0d0f;
  --bg-2: #12161a;
  --card: #161b20;
  --line: #242b32;
  --text: #f3f6f8;
  --muted: #a3adb6;
  --yellow: #fafb63;
  --cyan: #6bfff7;
  --teal: #11edc7;
  --green: #11ed7e;
  --grad: linear-gradient(100deg, var(--yellow), var(--teal) 55%, var(--green));
  --radius: 18px;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; }
.nav a { text-decoration: none; color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 700; text-decoration: none;
  background: var(--grad); color: #071012; border: 0;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 30px -8px rgba(17, 237, 199, .55); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--teal); box-shadow: none; }
.header .btn { padding: 9px 18px; font-size: .9rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 112px 0 104px; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(closest-side, rgba(17, 237, 199, .22), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: auto auto -50% -15%; width: 620px; height: 620px;
  background: radial-gradient(closest-side, rgba(250, 251, 99, .12), transparent 70%);
  pointer-events: none;
}
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 22px; max-width: 14ch;
}
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 0 0 34px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero > .wrap { position: relative; z-index: 1; }

/* Sections */
section { padding: 88px 0; }
section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 12px; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.05rem; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--teal) 50%, var(--line)); transform: translateY(-2px); }
.card h3 { margin: 18px 0 10px; font-size: 1.25rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); }
.icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(17, 237, 199, .1); color: var(--teal);
}
.icon svg { width: 24px; height: 24px; }

.benefits { display: grid; gap: 0; }
.benefit { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); }
.benefit:last-child { border-bottom: 1px solid var(--line); }
.benefit .num { font-weight: 800; font-size: 1.4rem; }
.benefit h3 { margin: 0 0 6px; font-size: 1.2rem; }
.benefit p { margin: 0; color: var(--muted); max-width: 70ch; }

.faq { display: grid; gap: 12px; max-width: 820px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0 24px; }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 0; font-weight: 700; font-size: 1.08rem;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 1.4rem; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 22px; color: var(--muted); }

/* Contact */
.contact {
  border-radius: 24px; padding: clamp(32px, 6vw, 64px);
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(17, 237, 199, .18), transparent 70%),
    radial-gradient(500px 260px at 0% 100%, rgba(250, 251, 99, .1), transparent 70%),
    var(--card);
  border: 1px solid var(--line);
}
.contact h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.02em; margin: 0 0 10px; }
.contact > p { color: var(--muted); margin: 0 0 32px; font-size: 1.1rem; }
.contact-list { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.contact-item {
  display: flex; align-items: center; gap: 14px; text-decoration: none;
  background: rgba(255, 255, 255, .03); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
}
.contact-item:hover { border-color: var(--teal); }
.contact-item small { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.contact-item span { font-weight: 600; word-break: break-word; }

/* Footer */
footer { padding: 36px 0 48px; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 720px) {
  .nav { display: none; }
  .hero { padding: 72px 0 64px; }
  section { padding: 64px 0; }
  .benefit { grid-template-columns: 40px 1fr; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}