:root {
  color-scheme: light;
  --blue-950: #06235a;
  --blue-900: #08377e;
  --blue-700: #0a63d8;
  --blue-500: #1689f7;
  --blue-100: #ddebff;
  --ink: #10213d;
  --muted: #5f6e84;
  --line: #dbe5f2;
  --surface: #ffffff;
  --soft: #f3f7fc;
  --red: #eb443d;
  --shadow: 0 20px 70px rgba(6, 35, 90, 0.13);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% -5%, rgba(22, 137, 247, 0.17), transparent 34rem),
    linear-gradient(180deg, #f7faff 0, #fff 42rem);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

a { color: var(--blue-700); }
a:hover { color: var(--blue-900); }

.shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(219, 229, 242, 0.86);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--blue-950);
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  box-shadow: 0 8px 22px rgba(10, 99, 216, 0.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
}

.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--blue-700); }

.hero {
  min-height: 610px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 56px;
  padding: 76px 0 90px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 { color: var(--blue-950); line-height: 1.12; }
h1 { margin: 0; max-width: 760px; font-size: clamp(2.65rem, 6vw, 5.4rem); letter-spacing: -0.055em; }
h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.04em; }
h3 { margin: 0 0 10px; font-size: 1.12rem; }

.lead { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--blue-700);
  border-radius: 13px;
  color: #fff;
  background: var(--blue-700);
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(10, 99, 216, 0.2);
}

.button.secondary { color: var(--blue-900); background: #fff; box-shadow: none; }

.hero-visual {
  position: relative;
  min-height: 430px;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  position: absolute;
  width: 390px;
  height: 390px;
  border-radius: 50%;
  background: linear-gradient(145deg, #0e92ff, #063b9e);
  box-shadow: var(--shadow);
  content: "";
}

.hero-visual::after {
  position: absolute;
  right: 5%;
  bottom: 11%;
  width: 92px;
  height: 14px;
  border-radius: 30px;
  background: var(--red);
  transform: rotate(-18deg);
  content: "";
}

.hero-icon {
  position: relative;
  z-index: 1;
  width: min(290px, 70vw);
  border-radius: 27%;
  filter: drop-shadow(0 22px 35px rgba(3, 28, 82, 0.28));
}

.section { padding: 88px 0; }
.section.soft { background: var(--soft); }
.section-intro { max-width: 720px; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}

.card {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(6, 35, 90, 0.06);
}

.number {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue-700);
  font-size: 0.9rem;
  font-weight: 800;
}

.card p { margin: 0; color: var(--muted); }

.trust {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.trust-list { display: grid; gap: 16px; }
.trust-item { padding: 20px 22px; border-left: 4px solid var(--blue-500); background: var(--soft); }
.trust-item strong { display: block; margin-bottom: 4px; color: var(--blue-950); }
.trust-item span { color: var(--muted); }

.notice {
  padding: 22px 24px;
  border: 1px solid #bcd6fb;
  border-radius: 16px;
  background: #ecf5ff;
}

.document { width: min(820px, calc(100% - 40px)); margin: 0 auto; padding: 66px 0 90px; }
.document h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
.document h2 { margin-top: 42px; font-size: 1.65rem; letter-spacing: -0.025em; }
.document h3 { margin-top: 26px; }
.document p, .document li { color: #34445c; }
.document .meta { margin: 18px 0 34px; color: var(--muted); }
.document ul { padding-left: 22px; }
.document li + li { margin-top: 8px; }

.support-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; margin-top: 34px; }
.support-box { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.support-box p:last-child { margin-bottom: 0; }

.site-footer { padding: 36px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted); }

@media (max-width: 820px) {
  .nav-links a:not(:last-child) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 56px; }
  .hero-visual { min-height: 330px; grid-row: 1; }
  .hero-visual::before { width: 300px; height: 300px; }
  .hero-icon { width: 220px; }
  .cards, .trust, .support-grid { grid-template-columns: 1fr; }
  .trust { gap: 30px; }
}

@media (max-width: 480px) {
  .shell { width: min(100% - 28px, 1160px); }
  .nav { min-height: 64px; }
  .brand img { width: 38px; height: 38px; }
  .hero { gap: 28px; padding-bottom: 62px; }
  .hero-visual { min-height: 280px; }
  .hero-visual::before { width: 250px; height: 250px; }
  .hero-icon { width: 185px; }
  .section { padding: 64px 0; }
  .document { width: min(100% - 30px, 820px); padding-top: 45px; }
}

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