:root {
  --bg: #f5f0e8;
  --ink: #142023;
  --ink-soft: #334348;
  --card: #fff8ee;
  --line: #d2c2ae;
  --accent: #be4b2f;
  --accent-deep: #953118;
  --accent-soft: #f9dac5;
  --shadow: rgba(20, 32, 35, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  background: radial-gradient(circle at 8% -15%, #fde8d8 0%, transparent 42%),
    radial-gradient(circle at 96% 10%, #e3ebf4 0%, transparent 38%),
    var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.23;
  z-index: -1;
  background-image: linear-gradient(transparent 95%, rgba(20, 32, 35, 0.08) 96%),
    linear-gradient(90deg, transparent 95%, rgba(20, 32, 35, 0.08) 96%);
  background-size: 34px 34px;
}

.topbar {
  width: min(1120px, 92vw);
  margin: 18px auto 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(255, 248, 238, 0.76);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 12px;
  z-index: 20;
}

.brand {
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
}

.topnav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.topnav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover {
  color: var(--accent-deep);
}

main {
  width: min(1120px, 92vw);
  margin: 24px auto 0;
}

.section {
  margin: 24px 0;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 16px 50px var(--shadow);
}

.hero {
  padding: clamp(28px, 5vw, 60px);
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Fraunces", serif;
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  max-width: 18ch;
}

.hero-copy {
  max-width: 62ch;
  margin: 16px 0 0;
  color: var(--ink-soft);
}

.hero-actions,
.callout-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border: 1px solid transparent;
  padding: 10px 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.pill-row {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-row a {
  display: inline-block;
  text-decoration: none;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 7px 10px;
  background: #fff;
  font-size: 0.88rem;
}

.pill-row a:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
}

.split {
  padding: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.split p {
  color: var(--ink-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 16px;
}

.card p {
  margin: 10px 0;
  color: var(--ink-soft);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  color: #1c2730;
}

pre code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.demo {
  padding: clamp(20px, 4vw, 32px);
}

.demo-header p {
  margin: 8px 0 16px;
  color: var(--ink-soft);
}

figure {
  margin: 0;
}

figure img {
  width: 100%;
  border: 1px solid var(--line);
  display: block;
}

figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.faq {
  padding: clamp(20px, 4vw, 32px);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq details {
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px 14px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent-deep);
  font-weight: 700;
}

.faq details[open] summary::after {
  content: "-";
}

.faq details p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.callout {
  padding: clamp(24px, 4vw, 36px);
  background: linear-gradient(150deg, #fff4e7, #fde7d8);
}

.callout p {
  margin: 12px 0 0;
  color: var(--ink-soft);
}

.footer {
  width: min(1120px, 92vw);
  margin: 24px auto 48px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent-deep);
}

.dev-credit {
  margin-left: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

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

@media (min-width: 900px) {
  .split {
    grid-template-columns: 0.9fr 1.1fr;
  }

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

@media (max-width: 640px) {
  .topbar {
    position: static;
  }

  .topnav {
    gap: 10px;
  }

  h1 {
    font-size: 2rem;
  }

  .dev-credit {
    margin-left: 0;
  }
}