:root {
  color-scheme: light;
  --bg: #f7f8f8;
  --surface: rgba(255, 255, 255, 0.72);
  --ink: #111315;
  --muted: #6d747c;
  --line: rgba(17, 19, 21, 0.11);
  --line-strong: rgba(17, 19, 21, 0.2);
  --accent: #0b5fff;
  --accent-ink: #ffffff;
  --shadow: 0 24px 80px rgba(17, 19, 21, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.95), rgba(247, 248, 248, 0) 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 44%, #ffffff 100%);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  margin-top: 14px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 40px rgba(17, 19, 21, 0.06);
  backdrop-filter: blur(22px);
}

.brand,
.nav-links,
.hero-actions,
.signal-strip,
.footer,
.social-links a,
.product-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  padding: 8px;
  font-size: 14px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
}

.nav-links {
  gap: 4px;
}

.nav-links a {
  min-height: 36px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(17, 19, 21, 0.06);
  color: var(--ink);
  outline: none;
}

.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  align-content: center;
  padding: 88px 0 48px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 18px;
  font-size: clamp(76px, 14vw, 178px);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 30px;
  color: #2a2f35;
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 72px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

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

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.72);
}

.signal-strip {
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.signal-strip div {
  min-width: 0;
}

.signal-strip span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.signal-strip strong {
  display: block;
  font-size: clamp(14px, 2vw, 18px);
}

.section {
  padding: 104px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 42px;
}

.section-heading h2,
.follow h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: 0;
}

.section-heading.compact h2,
.follow h2 {
  font-size: clamp(34px, 5vw, 64px);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.intro-grid article {
  min-height: 260px;
  padding: 26px;
  background: var(--surface);
}

.index {
  display: block;
  margin-bottom: 74px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.intro-grid p,
.follow p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.product-list {
  border-top: 1px solid var(--line);
}

.product-row {
  justify-content: space-between;
  min-height: 104px;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background 180ms ease;
}

.product-row:hover,
.product-row:focus-visible {
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.82);
  outline: none;
}

.product-name {
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 800;
  line-height: 1;
}

.product-meta {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.follow {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.6fr);
  gap: 70px;
  align-items: start;
}

.follow-copy p:last-child {
  max-width: 520px;
  margin-top: 22px;
  margin-bottom: 0;
}

.social-links {
  display: grid;
  gap: 10px;
}

.social-links a {
  justify-content: space-between;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: #20252a;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.social-links a:hover,
.social-links a:focus-visible {
  border-color: var(--line-strong);
  background: #fff;
  transform: translateY(-1px);
  outline: none;
}

.footer {
  justify-content: space-between;
  min-height: 86px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 28px, 1120px);
  }

  .topbar {
    top: 10px;
    min-height: 54px;
  }

  .nav-links a {
    padding: 9px 8px;
    font-size: 12px;
  }

  .hero {
    min-height: auto;
    padding: 74px 0 42px;
  }

  h1 {
    font-size: clamp(68px, 23vw, 104px);
  }

  .hero-copy {
    font-size: clamp(25px, 8vw, 42px);
  }

  .signal-strip {
    display: grid;
    grid-template-columns: 1fr;
  }

  .section {
    padding: 74px 0;
  }

  .intro-grid,
  .follow {
    grid-template-columns: 1fr;
  }

  .intro-grid article {
    min-height: 210px;
  }

  .index {
    margin-bottom: 52px;
  }

  .follow {
    gap: 34px;
  }
}

@media (max-width: 460px) {
  .brand span:last-child {
    display: none;
  }

  .hero-actions .button {
    width: 100%;
  }

  .product-row {
    min-height: 92px;
  }
}
