:root {
  --bg: #0a0e12;
  --bg-elev: #11171d;
  --bg-card: #141c24;
  --border: #1f2a35;
  --text: #e8eef2;
  --text-dim: #9fb0bd;
  --text-faint: #6c7d8a;
  --accent: #2de2c8;
  --accent-2: #19b6e8;
  --accent-glow: rgba(45, 226, 200, 0.25);
  --radius: 16px;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Top nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  background: rgba(10, 14, 18, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}
.brand .pipe { color: var(--accent); font-weight: 400; opacity: 0.8; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 620px) {
  .nav-links { gap: 16px; }
  .nav-links a.hide-sm { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  text-align: center;
  background:
    radial-gradient(900px 480px at 50% -10%, rgba(45,226,200,0.14), transparent 70%),
    radial-gradient(700px 420px at 85% 20%, rgba(25,182,232,0.10), transparent 70%);
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 18px;
}
.hero h1 .pipe { color: var(--accent); font-weight: 400; }
.hero .tagline {
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 14px;
  font-weight: 500;
}
.hero .kicker {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 22px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elev);
}
.hero .lede {
  font-size: 1.08rem;
  color: var(--text-faint);
  max-width: 600px;
  margin: 0 auto 34px;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.badge-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000;
  color: #fff;
  border: 1px solid #2a3640;
  border-radius: 14px;
  padding: 12px 22px;
  font-weight: 600;
}
.badge-store:hover { text-decoration: none; border-color: var(--accent); }
.badge-store .apple { font-size: 1.7rem; line-height: 1; }
.badge-store .label small { display: block; font-size: 0.66rem; color: #b9c4cc; font-weight: 500; letter-spacing: 0.04em; }
.badge-store .label span { display: block; font-size: 1.05rem; line-height: 1.1; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 22px;
  color: var(--text);
  font-weight: 600;
  background: var(--bg-elev);
}
.btn-ghost:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 12px;
}
h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.1;
}
.section-lede {
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 640px;
}
.center { text-align: center; }
.center .section-lede { margin-left: auto; margin-right: auto; }

/* ---------- Feature grid ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 44px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card .ico {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04211d;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.card h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 0.98rem; }

/* ---------- Use cases ---------- */
.usecases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 44px;
}
@media (max-width: 720px) { .usecases { grid-template-columns: 1fr; } }
.usecase {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-elev));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.usecase .scene {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}
.usecase h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.01em; }
.usecase p { color: var(--text-dim); }

/* ---------- Money strip ---------- */
.strip {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}
.strip .mtext { max-width: 560px; }
.strip h2 { margin-bottom: 10px; }
.strip p { color: var(--text-dim); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 56px;
  background: var(--bg-elev);
}
footer .grid {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: flex-start;
}
footer .brand { font-size: 1.05rem; margin-bottom: 8px; }
footer .f-tag { color: var(--text-faint); font-size: 0.95rem; max-width: 320px; }
footer .f-links { display: flex; gap: 26px; flex-wrap: wrap; }
footer .f-links a { color: var(--text-dim); font-weight: 500; font-size: 0.96rem; }
footer .f-links a:hover { color: var(--accent); text-decoration: none; }
footer .legal {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.86rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Legal / content pages ---------- */
.doc { padding: 64px 0 80px; }
.doc .wrap { max-width: 760px; }
.doc h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.doc .eff {
  color: var(--text-faint);
  font-size: 0.92rem;
  margin-bottom: 36px;
}
.doc h2 {
  font-size: 1.4rem;
  margin: 38px 0 12px;
  padding-top: 8px;
}
.doc h3 { font-size: 1.1rem; margin: 24px 0 8px; font-weight: 700; }
.doc p, .doc li { color: var(--text-dim); margin-bottom: 12px; }
.doc ul, .doc ol { margin: 0 0 16px 22px; }
.doc li { margin-bottom: 8px; }
.doc strong { color: var(--text); }
.doc .back {
  display: inline-block;
  margin-bottom: 30px;
  color: var(--text-dim);
  font-weight: 600;
}
.callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 18px 22px;
  margin: 22px 0;
}
.callout p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { margin-top: 36px; }
.faq .q {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 14px;
}
.faq .q h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.faq .q p { color: var(--text-dim); margin: 0; }

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin-top: 12px;
}
.contact-card .email {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-block;
  margin-top: 6px;
}