:root {
  --bg: #0b1020;
  --bg-soft: #121a30;
  --card: #16203a;
  --border: #24304f;
  --text: #eaf0ff;
  --muted: #9db0d4;
  --brand-a: #0a539b;
  --brand-b: #0e7896;
  --brand-c: #1ec172;
  --accent: #46d69b;
  --shadow: 0 18px 50px rgba(3, 8, 20, 0.55);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 15% -10%, #16234a 0%, transparent 55%),
    radial-gradient(1000px 700px at 100% 0%, #0e3a3f 0%, transparent 50%),
    var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 6px 18px rgba(30, 193, 114, 0.35);
}

.nav-links {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
}

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

/* Hero */
.hero {
  padding: 84px 0 56px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.5px;
}

.hero .accent {
  background: linear-gradient(100deg, var(--brand-c), #6ee7ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.tagline {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px;
  max-width: 40ch;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 46ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(100deg, var(--brand-a), var(--brand-b) 55%, var(--brand-c));
  color: #fff;
  box-shadow: var(--shadow);
}

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

.hero-art {
  justify-self: center;
}

.hero-art img {
  width: min(320px, 70vw);
  height: auto;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

/* Sections */
section {
  padding: 56px 0;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 8px;
  letter-spacing: -0.3px;
}

.section-sub {
  color: var(--muted);
  margin: 0 0 34px;
  max-width: 60ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.card h3 {
  margin: 6px 0 8px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.card .ic {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(30, 193, 114, 0.14);
  border: 1px solid rgba(30, 193, 114, 0.3);
  font-size: 1.2rem;
}

/* Privacy highlight */
.panel {
  background: linear-gradient(120deg, rgba(10, 83, 155, 0.22), rgba(30, 193, 114, 0.16));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
}

.panel ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.panel li {
  margin: 8px 0;
}

.panel code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 0.86em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 34px 0 48px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

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

/* Privacy page */
.doc {
  padding: 56px 0 72px;
}

.doc .container {
  width: min(820px, 92vw);
}

.doc h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 6px;
}

.doc .updated {
  color: var(--muted);
  margin: 0 0 30px;
}

.doc h2 {
  margin: 38px 0 10px;
  font-size: 1.35rem;
  border-top: 1px solid var(--border);
  padding-top: 26px;
}

.doc h3 {
  margin: 22px 0 6px;
  font-size: 1.08rem;
}

.doc p,
.doc li {
  color: #d6def2;
}

.doc code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 0.86em;
}

.callout {
  background: rgba(30, 193, 114, 0.12);
  border: 1px solid rgba(30, 193, 114, 0.3);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 22px 0;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 56px;
    text-align: center;
  }

  .hero p.lead {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-row {
    justify-content: center;
  }

  .hero-art {
    order: -1;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}