@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@400;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --bg: #f6f3ec;
  --ink: #1c1b19;
  --muted: #4f4a42;
  --accent: #ff7a00;
  --accent-2: #1b8a7a;
  --card: #ffffff;
  --card-2: #fbf6ee;
  --card-3: #f4efe6;
  --card-4: #f7f0e3;
  --card-5: #f2e9da;
  --card-6: #f8f2e9;
  --stroke: #e3dbcf;
  --shadow: 0 20px 60px rgba(20, 16, 10, 0.12);
  --radius: 18px;
  --font-sans: "Space Grotesk", "Segoe UI", sans-serif;
  --font-serif: "Fraunces", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff7e9 0%, var(--bg) 45%, #efe7dc 100%);
  font-size: 16.5px;
}

.page {
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 122, 0, 0.08), transparent 50%),
    radial-gradient(circle at 80% 10%, rgba(27, 138, 122, 0.1), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(255, 200, 120, 0.15), transparent 45%);
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.875rem;
  z-index: 20;
}

.skip-link:focus {
  left: 16px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 6vw;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(246, 243, 236, 0.8);
  border-bottom: 1px solid rgba(227, 219, 207, 0.7);
  z-index: 10;
}

.brand {
  font-family: var(--font-serif);
  font-size: 24px;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.nav-links a:focus-visible,
.nav-links a:hover {
  color: var(--accent-2);
}

.hero {
  padding: 40px 6vw 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
  align-items: center;
}

.hero-text {
  grid-column: span 7;
}

.hero-card {
  grid-column: span 5;
  background: var(--card-2);
  padding: clamp(20px, 3vw, 28px);
  margin-top: clamp(16px, 3vw, 28px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--stroke);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 440px;
  justify-self: end;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: -40% -40% auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.2), transparent 60%);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4vw, 64px);
  margin: 12px 0 16px;
}

.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
}

.btn {
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--accent);
  text-align: center;
  color: #1b1209;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 122, 0, 0.25);
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--ink);
}

.card-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 20px;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  font-weight: 600;
}

main {
  padding: 0 6vw 80px;
}

.section {
  margin-top: 64px;
}

section:nth-child(even) .panel {
  background-color: var(--card-2);
}

section:nth-child(odd) .panel {
  background-color: var(--card-3);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
}

.subhead {
  margin: 0 0 15px 8px;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink);
  font-weight: 700;
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.split {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: stretch;
}

.split>* {
  display: flex;
  flex-direction: column;
}

.split>*>.panel {
  flex: 1;
}

.usage-blurb {
  margin: 6px 0 12px 10px;
  color: var(--muted);
  font-size: 0.9375rem;
}

.usage-steps {
  margin: 0;
  padding-left: 18px;
  color: #2b2925;
  line-height: 1.6;
}

.usage-steps li+li {
  margin-top: 8px;
}

.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.bullets li {
  line-height: 1.6;
  color: #2b2925;
}

.compact-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 6px;
}

.compact-list li {
  line-height: 1.5;
  color: #2b2925;
}

.diagram {
  padding-top: 40px;
  text-align: center;
}

.topic {
  gap: 12px;
  margin-bottom: 16px;
}

.topic:last-child, .panel .split > .topic  {
  margin-bottom: 0;
}

.split + .split {
  margin-top: 24px;
}

.topic .term, .topic .blurb {
  margin: 0;
}

.topic .term {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.topic .separator {
  color: var(--muted);
  font-weight: 700;
  margin: 0 4px 0 8px;
  display: none;
}

.topic .blurb {
  color: var(--muted);
  line-height: 1.6;
}

#lifecycle .topic {
  display: grid;
  grid-template-columns: 1fr auto 5fr;
  align-items: center;
  margin-bottom: 0;
}

#lifecycle .topic .separator {
  display: inline;
  font-size: 1.8rem;
  font-weight: 700;
}

.panel {
  background: var(--card-2);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid var(--stroke);
  box-shadow: none;
  align-content: center;
}

.panel + .section-head {
  margin-top: 48px;
}

.panel h3 {
  margin-top: 0;
}

.panel p {
  line-height: 1.6;
  color: #2b2925;
}

.footer {
  color: var(--muted);
  background: #e7dcc8;
}

.footer-content {
  padding: 40px 6vw 60px;
}

.footer-content>div {
  padding: 18px 20px;
  border-radius: 14px;
}

.footer-status h3 {
  margin: 0 0 10px;
  font-size: 1.125rem;
  color: var(--ink);
}

.footer-status p {
  margin: 0 0 10px;
  line-height: 1.6;
}

.footer-meta {
  margin: 6px 0 0;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.corporate {
  color: var(--muted);
  margin-top: 10px;
  font-size: 0.875rem;
}

.corporate h3 {
  margin: 0;
  color: var(--muted);
}

.corporate .footer-links {
  list-style: none;
  margin-top: 8px;
  padding: 0;
}

.footer li+li {
  margin-top: 6px;
}

.mono {
  font-family: monospace, monospace;
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-text,
  .hero-card {
    grid-column: span 2;
  }

  .hero-card {
    max-width: none;
    width: 100%;
    justify-self: stretch;
  }

  .nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
  }

  .brand {
    order: 1;
  }

  .diagram {
    padding-top: 0;
  }

  .subhead {
    margin-top: 24px;
  }

  .panel + .section-head > .subhead {
    margin-top: 0;
  }

  .nav-toggle {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    padding-bottom: 6px;
    order: 3;
  }

  .nav.open .nav-links {
    display: flex;
  }

  .split {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .topic {
    display: block;
  }

  .topic .term {
    display: block;
  }

  .topic .separator {
    display: none;
  }

  #lifecycle .topic {
    grid-template-columns: 1fr;
    margin-bottom: 16px;
  }

  #lifecycle .topic .separator {
    display: none;
  }

}