:root {
  --paper: #fffdf7;
  --paper-soft: #f7fbf4;
  --ink: #142033;
  --muted: #607089;
  --line: rgba(74, 94, 122, 0.16);
  --cyan: #0ea5e9;
  --green: #8bc34a;
  --sun: #f8d66d;
  --rose: #f0648a;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 28px 80px rgba(43, 68, 93, 0.16);
  --font-display: "Avenir Next", "SF Pro Display", ui-sans-serif, system-ui, sans-serif;
  --font-body: "SF Pro Text", "Avenir Next", ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(14, 165, 233, 0.20), transparent 26rem),
    radial-gradient(circle at 90% 6%, rgba(139, 195, 74, 0.22), transparent 24rem),
    linear-gradient(135deg, #fffdf7 0%, #eef9ff 48%, #f7fbf0 100%);
}

a {
  color: inherit;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 7px rgba(14, 165, 233, 0.12);
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

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

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 52px;
  align-items: center;
  padding: 74px 0 86px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: #38617c;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.065em;
}

h1 {
  max-width: 760px;
  font-size: clamp(54px, 8vw, 104px);
  line-height: 0.88;
}

h2 {
  font-size: clamp(36px, 5vw, 66px);
  line-height: 0.95;
}

h3 {
  font-size: 24px;
  line-height: 1.05;
}

.lede {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 18px 38px rgba(20, 32, 51, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none;
}

.hero-card {
  position: relative;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card video,
.hero-card img,
.media-grid img {
  display: block;
  width: 100%;
  border-radius: 24px;
}

.section {
  padding: 74px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 30px;
}

.section-head p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  min-height: 240px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 16px 48px rgba(47, 74, 96, 0.08);
}

.feature-mark {
  width: 42px;
  height: 42px;
  margin-bottom: 42px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 14px 32px rgba(14, 165, 233, 0.18);
}

.feature p,
.card p,
.doc p,
.doc li {
  color: var(--muted);
  line-height: 1.65;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.media-grid img {
  border: 1px solid var(--line);
  box-shadow: 0 18px 54px rgba(43, 68, 93, 0.13);
}

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

.card,
.doc {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--card);
  box-shadow: 0 18px 54px rgba(43, 68, 93, 0.10);
}

.card {
  padding: 30px;
}

.doc {
  max-width: 820px;
  margin: 52px auto 96px;
  padding: 44px;
}

.doc h1 {
  font-size: clamp(42px, 7vw, 76px);
}

.doc h2 {
  margin-top: 38px;
  font-size: 30px;
}

.doc a {
  color: #096b9b;
  font-weight: 800;
}

.footer {
  padding: 44px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer a {
  text-decoration: none;
}

@media (max-width: 880px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

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

  .section-head,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .nav {
    align-items: start;
    gap: 20px;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}