:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --panel: rgba(255, 255, 255, 0.72);
  --text: #171717;
  --muted: #686868;
  --line: rgba(20, 20, 20, 0.10);
  --accent: #1f596a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.07);
}

* { box-sizing: border-box; }

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
}

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

.shell {
  width: min(980px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
}

.brand {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero {
  padding: 110px 0 125px;
}

.eyebrow,
.product-kicker {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.06em;
  font-weight: 700;
}

.lede {
  max-width: 620px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.48;
  letter-spacing: -0.02em;
}

.section {
  padding: 35px 0 100px;
}

.section-heading h2 {
  margin: 0 0 28px;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.045em;
}

.product-card,
.content-card {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(28px, 5vw, 50px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.product-card {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 68px rgba(0, 0, 0, 0.10);
}

.product-card h3 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4.5vw, 46px);
  letter-spacing: -0.045em;
}

.product-card p:not(.product-kicker) {
  max-width: 660px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.arrow {
  flex: 0 0 auto;
  font-size: 38px;
  font-weight: 300;
}

.page-header {
  padding: 85px 0 52px;
}

.page-header h1 {
  font-size: clamp(48px, 7vw, 78px);
}

.page-header .lede {
  max-width: 700px;
}

.content {
  padding-bottom: 110px;
}

.content-card {
  display: block;
}

.content-card h2 {
  margin: 38px 0 12px;
  font-size: 23px;
  letter-spacing: -0.025em;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card p,
.content-card li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.content-card ul {
  padding-left: 21px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 35px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  gap: 22px;
}

@media (max-width: 640px) {
  .shell,
  .site-header {
    width: min(100% - 28px, 980px);
  }

  .site-header { padding-top: 22px; }
  .hero { padding: 72px 0 90px; }
  .section { padding-bottom: 74px; }

  .product-card {
    align-items: flex-end;
    border-radius: 22px;
  }

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

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111212;
    --panel: rgba(30, 31, 31, 0.78);
    --text: #f4f4f1;
    --muted: #a5a7a7;
    --line: rgba(255, 255, 255, 0.09);
    --accent: #83c7d8;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  }
}