* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0f14;
  --surface: #121923;
  --surface-2: #172131;
  --line: #263244;
  --text: #f8fafc;
  --muted: #a7b0bd;
  --dim: #768393;
  --gold: #f5b301;
  --green: #16c784;
  --red: #ef5b5b;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, sans-serif;
}

a {
  color: inherit;
}

.shell {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(38, 50, 68, 0.84);
  background: rgba(11, 15, 20, 0.94);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--gold);
  color: #111827;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #cbd5e1;
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #111827;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 64px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(245, 179, 1, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 179, 1, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
}

.hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -160px;
  top: -180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(245, 179, 1, 0.22), rgba(245, 179, 1, 0));
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 1.04fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  margin-top: 16px;
  max-width: 760px;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(31px, 4vw, 48px);
  line-height: 1.06;
}

h3 {
  font-size: 20px;
}

.lead {
  max-width: 710px;
  color: #d2dae5;
  font-size: 20px;
  line-height: 1.55;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-image {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.38);
}

.section {
  padding: 66px 0;
  border-top: 1px solid #182231;
}

.section-head {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-head p,
.card p,
.plan p,
.split p,
li {
  color: var(--muted);
  line-height: 1.58;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.card,
.plan,
.split-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 24px;
}

.card h3,
.plan h3 {
  margin-bottom: 10px;
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  border: 1px solid rgba(245, 179, 1, 0.42);
  color: var(--gold);
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.list {
  margin: 0;
  padding-left: 20px;
}

.amount {
  margin: 14px 0 10px;
  color: var(--gold);
  font-size: 36px;
  font-weight: 900;
}

.fine {
  color: var(--dim);
  font-size: 13px;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px;
  border: 1px solid rgba(245, 179, 1, 0.35);
  background: #111923;
}

.footer {
  padding: 38px 0;
  border-top: 1px solid #182231;
  color: var(--dim);
}

@media (max-width: 900px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .split {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .contact {
    align-items: flex-start;
    flex-direction: column;
  }
}
