:root {
  --ink: #0c1931;
  --muted: #5c6a7d;
  --blue: #1f66e5;
  --cyan: #18bfd0;
  --line: #cfe7f3;
  --surface: rgba(255, 255, 255, 0.82);
  --soft: #edf8ff;
  --gold: #f4b53a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(24, 191, 208, 0.22), transparent 32rem),
    radial-gradient(circle at 85% 20%, rgba(31, 102, 229, 0.18), transparent 30rem),
    linear-gradient(180deg, #f8fcff 0%, #e9f6ff 100%);
}

a {
  color: inherit;
}

.hero {
  min-height: 760px;
  padding: 28px clamp(18px, 4vw, 70px) 80px;
  background:
    linear-gradient(135deg, rgba(4, 30, 71, 0.98), rgba(9, 95, 146, 0.92)),
    linear-gradient(45deg, transparent 48%, rgba(255,255,255,.12) 50%, transparent 52%);
  color: white;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -210px -10%;
  height: 330px;
  background: #f8fcff;
  border-radius: 50% 50% 0 0;
}

.topbar,
.simple-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
  z-index: 2;
}

.simple-header {
  padding: 24px clamp(18px, 4vw, 70px);
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: .02em;
}

.brand img {
  width: 62px;
  height: 62px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(0,0,0,.18));
}

.navlinks {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.navlinks a {
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: center;
  min-height: 610px;
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-size: clamp(44px, 8vw, 94px);
  line-height: .95;
  margin: 12px 0 22px;
  max-width: 850px;
}

.lead {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
  max-width: 760px;
  color: rgba(255,255,255,.82);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #1b63cb;
  background: rgba(255,255,255,.78);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #dffaff;
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.22);
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 18px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 18px 42px rgba(19, 104, 219, .32);
}

.button.ghost {
  border: 1px solid rgba(255,255,255,.26);
  color: white;
  background: rgba(255,255,255,.08);
}

.button.inline {
  width: fit-content;
}

.hero-card {
  display: grid;
  place-items: center;
  min-height: 420px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 48px;
  background:
    radial-gradient(circle, rgba(255,255,255,.22), transparent 55%),
    rgba(255,255,255,.08);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 35px 90px rgba(0,0,0,.24);
}

.hero-card img {
  width: min(78%, 430px);
  filter: drop-shadow(0 28px 35px rgba(0,0,0,.28));
}

.section,
.notice,
.content-card {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 3;
}

.section {
  padding: 86px 0 38px;
}

.section h2,
.notice h2,
.content-card h1 {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.05;
  margin: 0 0 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.notice,
.content-card,
.link-panel {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: 0 20px 55px rgba(22, 79, 129, .12);
}

.feature-card {
  min-height: 285px;
  padding: 24px;
}

.feature-card img {
  width: 108px;
  height: 108px;
  object-fit: contain;
  filter: drop-shadow(0 16px 24px rgba(12, 25, 49, .16));
}

.feature-card h3 {
  font-size: 24px;
  margin: 18px 0 10px;
}

.feature-card p,
.notice p,
.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.75;
  font-size: 17px;
}

.notice {
  padding: 34px;
  margin-top: 48px;
  border-color: #f3c37b;
  background: linear-gradient(135deg, #fffaf0, #ffffff);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
  gap: 24px;
  align-items: center;
}

.link-panel {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.link-panel a {
  padding: 17px 18px;
  border-radius: 18px;
  text-decoration: none;
  font-weight: 900;
  background: var(--soft);
  border: 1px solid var(--line);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, calc(100% - 32px));
  margin: 58px auto 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.page {
  min-height: 100vh;
}

.content-card {
  margin-top: 36px;
  padding: clamp(24px, 5vw, 54px);
}

.content-card h2 {
  margin-top: 34px;
}

.legal-note {
  margin-top: 34px;
  padding: 18px;
  border-radius: 18px;
  background: #fff8eb;
  border: 1px solid #f2c477;
}

@media (max-width: 850px) {
  .hero {
    min-height: auto;
    padding-bottom: 70px;
  }

  .hero-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    min-height: 300px;
  }

  .topbar,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .navlinks a {
    padding: 9px 12px;
  }
}