:root {
  --bg: #f6f7fb;
  --surface: rgba(255,255,255,.82);
  --surface-solid: #ffffff;
  --text: #111827;
  --muted: #667085;
  --line: rgba(17,24,39,.1);
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --shadow: 0 24px 80px rgba(15, 23, 42, .12);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #dbeafe 0, transparent 34%), var(--bg);
  line-height: 1.55;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 6vw;
  backdrop-filter: blur(18px);
  background: rgba(246,247,251,.72);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 750; text-decoration: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 12px;
  display: grid; place-items: center;
  color: white; background: linear-gradient(145deg, #60a5fa, #1d4ed8);
  box-shadow: 0 10px 30px rgba(37,99,235,.28);
}
nav { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
nav a, footer a { text-decoration: none; }
nav a:hover, footer a:hover { color: var(--text); }
.hero {
  min-height: 74vh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
  padding: 76px 6vw 48px;
}
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .02em; }
h1 { font-size: clamp(42px, 7vw, 78px); line-height: .95; margin: 0 0 24px; letter-spacing: -0.055em; }
.lead { max-width: 620px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }
.actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.button { padding: 13px 20px; border-radius: 999px; text-decoration: none; font-weight: 650; }
.primary { background: var(--accent); color: white; box-shadow: 0 12px 34px rgba(37,99,235,.26); }
.primary:hover { background: var(--accent-dark); }
.secondary { background: var(--surface-solid); border: 1px solid var(--line); }
.phone-card {
  justify-self: center;
  width: min(360px, 82vw);
  border-radius: 44px;
  padding: 14px;
  background: #111827;
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}
.phone-top { width: 96px; height: 24px; margin: 0 auto 10px; border-radius: 0 0 18px 18px; background: #030712; }
.screen {
  min-height: 560px;
  border-radius: 32px;
  padding: 24px;
  background: linear-gradient(180deg, #eff6ff, #ffffff 40%, #f8fafc);
}
.balance-card {
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(145deg, #2563eb, #60a5fa);
  color: white;
  margin: 36px 0 22px;
}
.balance-card span { opacity: .86; display: block; }
.balance-card strong { display: block; font-size: 34px; margin-top: 6px; letter-spacing: -.04em; }
.list-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(15,23,42,.08);
}
.list-row span { color: #344054; }
.list-row.muted { color: var(--muted); }
.section { padding: 80px 6vw; }
.section h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1; letter-spacing: -.045em; margin: 0 0 28px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature, .panel, .support-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 12px 40px rgba(15,23,42,.06);
}
.feature h3 { margin-top: 0; font-size: 22px; }
.feature p, .split p, .page p { color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr .75fr; gap: 28px; align-items: start; }
.page { max-width: 860px; margin: 0 auto; padding: 80px 6vw; }
.page h1 { font-size: clamp(42px, 6vw, 68px); }
.page h2 { margin-top: 34px; }
.updated { font-size: 14px; }
footer {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 32px 6vw;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
footer div { display: flex; gap: 18px; }
@media (max-width: 860px) {
  .hero, .split, .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .phone-card { transform: none; }
  nav { gap: 12px; }
}
@media (max-width: 560px) {
  .site-header { align-items: flex-start; gap: 12px; flex-direction: column; }
  .screen { min-height: 440px; }
}