:root {
  --bg: #f5f5f7;
  --paper: rgba(255, 255, 255, 0.84);
  --ink: #101010;
  --muted: #5e6167;
  --line: rgba(16, 16, 16, 0.08);
  --accent: #ff4931;
  --accent-soft: #fff1ed;
  --shadow: 0 24px 64px rgba(16, 16, 16, 0.08);
  --max-width: 1180px;
  --sans: "Inter", sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 73, 49, 0.12), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

code {
  font-family: var(--mono);
}

p code {
  padding: 0.12rem 0.4rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f3f3f5;
}

.file-row span code,
.card p code,
.starter-note p code {
  overflow-wrap: anywhere;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto 48px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--paper);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero {
  margin-top: 24px;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 8px 0 18px;
}

.brand,
.nav-links a,
.eyebrow,
.section-label,
.card-index,
.card-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-family: var(--mono);
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  border-color: rgba(255, 73, 49, 0.22);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 28px;
  align-items: center;
  padding: 48px 0 12px;
}

.eyebrow,
.section-label,
.card-index,
.card-label {
  color: var(--accent);
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 0.96;
  letter-spacing: -0.05em;
}

h1 {
  font-size: clamp(3.4rem, 8vw, 6.8rem);
  max-width: 8ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  max-width: 12ch;
}

h3 {
  font-size: 1.5rem;
  margin-top: 6px;
}

.lead,
.two-column p,
.card p,
.contact-box p,
.starter-note p,
.file-row span {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.lead {
  max-width: 50ch;
  margin: 22px 0 0;
}

.hero-actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 14px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

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

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.starter-card {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 73, 49, 0.06), rgba(255, 255, 255, 0.96)),
    #ffffff;
}

.file-list {
  display: grid;
  gap: 12px;
}

.file-row {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.file-row strong {
  font-size: 0.98rem;
}

.card-label-files {
  margin-top: 18px;
}

.starter-note {
  margin-top: 18px;
  padding: 18px;
  border-radius: 20px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 73, 49, 0.12);
}

.panel {
  padding: 32px;
  margin-top: 24px;
}

.panel.accent {
  background:
    linear-gradient(180deg, rgba(255, 73, 49, 0.08), rgba(255, 255, 255, 0.95)),
    #ffffff;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.onboarding-cards .card p {
  margin-top: 10px;
}

.card,
.contact-box {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.contact-links a {
  text-decoration: none;
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .two-column,
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .hero,
  .panel {
    border-radius: 24px;
    padding: 22px;
  }

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

  h1,
  h2 {
    max-width: none;
  }
}