:root {
  --bg: #f6f3ec;
  --ink: #132126;
  --muted: #5f6d68;
  --surface: #fffdf8;
  --line: #d8cec0;
  --teal: #2f7b75;
  --teal-dark: #183f43;
  --gold: #e5b84b;
  --coral: #d8694f;
  --violet: #5c6bc0;
  --shadow: 0 22px 58px rgba(19, 33, 38, 0.13);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(145deg, rgba(47, 123, 117, 0.11), transparent 34%),
    linear-gradient(235deg, rgba(229, 184, 75, 0.14), transparent 37%),
    linear-gradient(315deg, rgba(216, 105, 79, 0.08), transparent 35%),
    var(--bg);
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: inherit;
}

h1,
h2,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
}

h1,
h2 {
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  max-width: 960px;
  margin-bottom: 20px;
  font-size: clamp(2.8rem, 7vw, 6.4rem);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.9rem, 3.5vw, 3.8rem);
}

p {
  color: var(--muted);
}

.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 30;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 74px;
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(216, 206, 192, 0.84);
  background: rgba(246, 243, 236, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 900;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 850;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(47, 123, 117, 0.1);
  color: var(--teal-dark);
  outline: none;
}

.hero,
.labs,
.site-footer {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100svh - 74px);
  display: grid;
  align-content: center;
  gap: 34px;
  padding: 64px 0 42px;
}

.hero-copy p:last-child {
  max-width: 780px;
  margin-bottom: 0;
  color: #40514d;
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
}

.eyebrow,
.lab-number {
  display: block;
  margin-bottom: 10px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sequence-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.sequence-strip span {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.72);
  color: var(--ink);
  font-weight: 900;
}

.labs {
  display: grid;
  gap: 34px;
  padding-bottom: 54px;
}

.lab-feature {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(280px, 0.38fr) minmax(420px, 0.62fr);
  gap: 22px;
  align-items: stretch;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.72);
  box-shadow: var(--shadow);
}

.lab-copy {
  min-width: 0;
  display: grid;
  align-content: center;
  padding: 24px;
}

.lab-copy p {
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.launch-link {
  width: fit-content;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
}

.launch-link:hover,
.launch-link:focus-visible {
  background: var(--teal-dark);
  outline: 3px solid rgba(47, 123, 117, 0.25);
  outline-offset: 3px;
}

.preview-frame {
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.preview-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: block;
  border: 0;
  background: var(--surface);
}

.lab-feature:nth-child(1) {
  border-top: 6px solid var(--teal);
}

.lab-feature:nth-child(2) {
  border-top: 6px solid var(--gold);
}

.lab-feature:nth-child(3) {
  border-top: 6px solid var(--violet);
}

.site-footer {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 850;
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .sequence-strip,
  .lab-feature {
    grid-template-columns: 1fr;
  }

  .lab-copy {
    padding: 14px 10px 6px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .site-header,
  .hero,
  .labs,
  .site-footer {
    width: min(100% - 24px, 1220px);
  }

  .sequence-strip {
    gap: 8px;
  }

  .sequence-strip span {
    min-height: 48px;
    padding: 10px;
  }

  .lab-feature {
    min-height: 0;
    padding: 12px;
  }

  .preview-frame,
  .preview-frame iframe {
    min-height: 460px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}