:root {
  --bg: #f3efe4;
  --bg-soft: #fbf7ef;
  --panel: rgba(255, 252, 246, 0.86);
  --panel-strong: #fffdf7;
  --ink: #1f231d;
  --muted: #5d6257;
  --accent: #0c6c66;
  --accent-strong: #084f4b;
  --accent-soft: rgba(12, 108, 102, 0.12);
  --border: rgba(31, 35, 29, 0.1);
  --shadow: 0 24px 60px rgba(50, 43, 26, 0.14);
  --radius: 24px;
  --radius-sm: 16px;
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(242, 173, 64, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(12, 108, 102, 0.15), transparent 34%),
    linear-gradient(180deg, #f9f4e8 0%, #f1ecdf 45%, #ece7db 100%);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.65;
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 35, 29, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 35, 29, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 80%);
}

h1,
h2,
h3,
.toc-title,
.eyebrow {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
}

a {
  color: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", "Menlo", monospace;
}

.page-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.hero-copy,
.hero-card,
.panel,
.toc {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-copy,
.hero-card {
  padding: 32px;
}

.hero-copy::after,
.hero-card::after,
.panel::after {
  position: absolute;
  content: "";
  inset: auto -40px -40px auto;
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(242, 173, 64, 0.2), transparent 70%);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
}

.lede {
  max-width: 48rem;
  margin: 0;
  font-size: 1.12rem;
  color: var(--muted);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: var(--accent);
  color: #f8fbfa;
  border-color: transparent;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
}

.hero-card {
  background:
    linear-gradient(180deg, rgba(12, 108, 102, 0.96), rgba(8, 79, 75, 0.98)),
    var(--panel-strong);
  color: #f5fbfa;
}

.card-label {
  margin: 0 0 12px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.hero-card ol {
  margin: 0;
  padding-left: 18px;
}

.hero-card li + li {
  margin-top: 12px;
}

.content-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
}

.toc {
  position: sticky;
  top: 20px;
  align-self: start;
  padding: 22px 20px;
}

.toc-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.toc a {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--muted);
}

.toc a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.content {
  display: grid;
  gap: 20px;
}

.panel {
  padding: 28px;
}

.panel h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 2rem;
}

.panel h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.steps {
  padding-left: 18px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.55);
  border-radius: 18px;
  overflow: hidden;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(31, 35, 29, 0.08);
}

th {
  background: rgba(12, 108, 102, 0.1);
  font-size: 0.94rem;
}

tr:last-child td {
  border-bottom: 0;
}

pre {
  overflow-x: auto;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: #18201c;
  color: #f4fbf7;
}

.note {
  color: var(--muted);
  font-size: 0.96rem;
}

.two-up,
.architecture-list {
  display: grid;
  gap: 16px;
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.architecture-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.architecture-list article,
.two-up > div {
  padding: 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(31, 35, 29, 0.08);
  background: rgba(255, 255, 255, 0.52);
}

ul {
  padding-left: 18px;
}

li + li {
  margin-top: 8px;
}

@media (max-width: 980px) {
  .hero,
  .content-grid,
  .two-up,
  .architecture-list {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 18px 14px 48px;
  }

  .hero-copy,
  .hero-card,
  .panel,
  .toc {
    padding: 22px;
    border-radius: 20px;
  }

  h1 {
    font-size: 2.8rem;
  }

  .panel h2 {
    font-size: 1.6rem;
  }
}