:root {
  --bg: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --card: #ffffff;
  --hero-start: #eef4ff;
  --hero-end: #f7faff;
  --blue: #0071e3;
  --blue-dark: #005bb5;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 18px 48px rgba(0, 34, 80, 0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: clip;
}
body {
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(18px);
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(210,210,215,.6);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  gap: 12px;
}
.brand {
  font-weight: 650;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}
.nav a { color: #303033; }

.hero-wrap { padding: 48px 0 28px; }
.hero {
  background: linear-gradient(165deg, var(--hero-start), var(--hero-end));
  border: 1px solid #dbe8ff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 28px;
  padding: 52px;
}
.hero-grid > * { min-width: 0; }
.kicker { margin: 0 0 12px; color: var(--blue); font-weight: 600; font-size: 16px; }
.hero h1 { margin: 0; font-size: clamp(36px,5vw,58px); line-height: 1.04; letter-spacing: -0.03em; }
.hero p { margin: 18px 0 0; font-size: clamp(18px,2.2vw,24px); color: #3a3a3c; max-width: 560px; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.btn {
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: #1d1d1f; border-color: #d2d2d7; }
.btn-secondary:hover { background: #fbfbfd; text-decoration: none; }

.device {
  align-self: center;
  justify-self: center;
  width: min(360px, 100%);
  max-width: 100%;
  aspect-ratio: 9 / 19;
  border-radius: 36px;
  background: #0d2238;
  border: 10px solid #111;
  box-shadow: 0 24px 46px rgba(0,0,0,.25);
  padding: 16px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 10px;
  overflow: hidden;
}
.phone-top { height: 6px; width: 96px; border-radius: 999px; background: rgba(255,255,255,.3); margin: 0 auto; }
.phone-title { color: #fff; font-size: 18px; font-weight: 700; }
.phone-sub { color: #9cc3ec; font-size: 12px; }

.board {
  width: 100%;
  max-width: 100%;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  overflow: hidden;
}
.cell {
  min-width: 0;
  border-radius: 9px;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
.c1 { background: #3c5f8f; }
.c2 { background: #5da9da; }
.c3 { background: #7ecf9f; }
.c4 { background: #f3ba65; }

.phone-footer {
  color: #e4f0ff;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
}

.section { padding: 34px 0; }
.section h2 { margin: 0 0 16px; font-size: clamp(30px,3.2vw,44px); letter-spacing: -0.02em; }
.section .lead { margin: 0; font-size: 19px; color: #424245; max-width: 760px; }

.feature-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.card h3 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.card p { margin: 10px 0 0; color: #505055; font-size: 16px; }

.legal-strip { margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px 18px; color: #515156; font-size: 15px; }
.site-footer { margin-top: 24px; padding: 26px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 10px; }

.legal-page { padding: 44px 0 56px; }
.legal-page h1 { margin: 0; font-size: clamp(34px,5vw,56px); letter-spacing: -0.03em; }
.legal-meta { margin-top: 8px; color: var(--muted); font-size: 14px; }
.legal-card { margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.legal-card h2 { margin: 0 0 10px; font-size: 24px; }
.legal-card p, .legal-card li { color: #44464b; font-size: 16px; }
.legal-card ul { margin: 8px 0 0; padding-left: 20px; }

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 34px 26px;
  }
}

@media (max-width: 980px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(1100px, calc(100% - 24px)); }
  .nav { gap: 12px; font-size: 13px; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-wrap { padding-top: 26px; }
  .device { width: min(320px, 100%); }
}