:root {
  color-scheme: light;
  --paper: #f7f8fc;
  --surface: rgba(255, 255, 255, 0.84);
  --ink: #151821;
  --muted: #626b7e;
  --line: rgba(47, 67, 115, 0.16);
  --blue: #315cff;
  --violet: #655cff;
  --soft-blue: #eaf0ff;
  --radius: 28px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,
    "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 4%, rgba(167, 184, 255, .25), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(101, 92, 255, .12), transparent 24rem),
    var(--paper);
  color: var(--ink);
  line-height: 1.75;
}
a { color: inherit; text-decoration-color: rgba(49, 92, 255, .45); }
a:hover { text-decoration-color: var(--blue); }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 248, 252, .88);
  backdrop-filter: blur(16px);
}
.nav {
  max-width: 1120px;
  min-height: 66px;
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: .92rem;
  font-weight: 760;
  letter-spacing: .13em;
  text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--muted); font-size: .85rem; text-decoration: none; }

.page, .legal { width: min(1120px, calc(100% - 40px)); margin: auto; }
.hero {
  min-height: 670px;
  padding: 96px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  align-items: center;
  gap: clamp(44px, 8vw, 110px);
}
.eyebrow { color: var(--blue); font-weight: 730; letter-spacing: .14em; font-size: .78rem; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.035em; }
h1 {
  margin: 16px 0 20px;
  font-size: clamp(2.85rem, 4.8vw, 4.5rem);
}
.hero-title-line {
  display: block;
  white-space: nowrap;
  word-break: keep-all;
}
.hero-copy { max-width: 34rem; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.hero-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  font-weight: 680;
}
.button.primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--blue), var(--violet)); }

.door-stage {
  position: relative;
  min-height: 440px;
  border-radius: 48px;
  overflow: hidden;
  background: linear-gradient(150deg, #fff 10%, #eef2ff 56%, #ddd9ff);
  box-shadow: 0 32px 80px rgba(40, 53, 102, .15);
}
.door-stage::before, .door-stage::after {
  content: "";
  position: absolute;
  top: 76px;
  width: 34%;
  height: 58%;
  filter: drop-shadow(0 20px 24px rgba(49, 92, 255, .2));
}
.door-stage::before {
  left: 13%;
  border-radius: 22px 8px 8px 22px;
  background: linear-gradient(135deg, #1768ff, #83adff);
  clip-path: polygon(0 0, 100% 17%, 100% 82%, 0 100%);
}
.door-stage::after {
  right: 13%;
  border-radius: 8px 22px 22px 8px;
  background: linear-gradient(135deg, #7b5cff, #4b2eea);
  clip-path: polygon(0 17%, 100% 0, 100% 100%, 0 82%);
}
.door-light {
  position: absolute;
  inset: 42% 34% auto;
  height: 18px;
  border-radius: 999px;
  background: var(--violet);
  box-shadow: 0 0 28px rgba(101, 92, 255, .6);
}
.door-floor {
  position: absolute;
  left: 22%; right: 22%; bottom: -8%; height: 42%;
  background: linear-gradient(to bottom, rgba(255,255,255,.96), rgba(124,145,255,.08));
  clip-path: polygon(36% 0, 64% 0, 100% 100%, 0 100%);
}
.door-caption { position: absolute; left: 30px; bottom: 24px; color: #536078; font-size: .78rem; letter-spacing: .13em; }

.section { padding: 94px 0; }
.section-heading { max-width: 650px; margin-bottom: 42px; }
.section h2 { margin: 10px 0 14px; font-size: clamp(2rem, 4.5vw, 3.7rem); }
.section-heading p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.feature {
  min-height: 250px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(37, 51, 94, .06);
}
.feature-number { color: var(--blue); font: 700 .78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature h3 { margin: 38px 0 12px; font-size: 1.45rem; }
.feature p { margin: 0; color: var(--muted); }
.privacy-card {
  padding: clamp(28px, 5vw, 58px);
  border-radius: 36px;
  color: #fff;
  background: #181b25;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 28px;
}
.privacy-card h2 { margin: 0 0 14px; }
.privacy-card p { color: #bbc1d1; max-width: 660px; }
.privacy-card .button { background: #fff; color: #181b25; }

.legal { max-width: 780px; padding: 72px 0 100px; }
.legal h1 { font-size: clamp(2.5rem, 8vw, 4.6rem); }
.legal h2 { margin-top: 52px; font-size: 1.35rem; }
.legal h3 { margin-top: 30px; font-size: 1.05rem; }
.legal p, .legal li { color: #343b4b; }
.meta, .note { color: var(--muted) !important; }
.note { border-left: 3px solid var(--blue); padding: 4px 0 4px 18px; }
.legal details { margin: 12px 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.legal summary { cursor: pointer; font-weight: 690; }
.legal table { width: 100%; border-collapse: collapse; }
.legal th, .legal td { padding: 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }

.site-footer {
  margin-top: 80px;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}
.footer-row { max-width: 1120px; margin: auto; padding: 0 24px; display: flex; justify-content: space-between; gap: 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 760px) {
  .nav-links a:not(:last-child) { display: none; }
  .hero { min-height: auto; padding-top: 68px; grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.5rem, 12vw, 3.5rem); }
  .door-stage { min-height: 350px; }
  .feature-grid { grid-template-columns: 1fr; }
  .privacy-card { grid-template-columns: 1fr; align-items: start; }
  .footer-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}