:root {
  color-scheme: light;
  --bg: #eef7fb;
  --surface: rgba(255, 255, 255, 0.86);
  --line: rgba(10, 65, 96, 0.12);
  --text: #14364f;
  --muted: #5f7b90;
  --accent: #0a849f;
  --accent-deep: #0f4568;
  --gold: #d9ae41;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(72, 188, 215, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 69, 104, 0.18), transparent 35%),
    linear-gradient(180deg, #f7fbfe 0%, var(--bg) 100%);
  color: var(--text);
}

body {
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero,
.section {
  padding: 0 24px;
}

.topbar,
.hero-copy,
.section {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding-top: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-copy {
  padding: 86px 0 92px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 650px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 46px;
  padding-top: 34px;
  padding-bottom: 34px;
}

.section h2 {
  max-width: 12ch;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
}

.section p {
  color: var(--muted);
  font-size: 1.02rem;
}

.features {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 16px;
}

.features article,
.detail-band,
.final-cta {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.features h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
  line-height: 1.12;
}

.detail-band {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: start;
}

.benefits {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.benefits li {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.benefits li::before {
  content: "★";
  color: var(--gold);
  margin-right: 10px;
}

.final-cta {
  padding-bottom: 82px;
}

.footer {
  padding: 0 24px 30px;
}

.footer-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .section,
  .features,
  .detail-band,
  .final-cta {
    grid-template-columns: 1fr;
  }

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

  .hero-copy {
    padding-top: 62px;
    padding-bottom: 64px;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .links {
    gap: 14px;
    font-size: 0.9rem;
  }

  .button {
    width: 100%;
  }
}