/* ==========================================================================
   OceanVal — design system
   ========================================================================== */

:root {
  --ink: #0b2530;
  --ink-soft: #123044;
  --muted: #56717d;
  --muted-light: #7c94a0;

  --teal-50: #eafbfb;
  --teal-100: #d7f0f0;
  --teal-200: #a9dede;
  --teal-400: #14a3ac;
  --teal-500: #0f8f96;
  --teal-600: #087f8c;
  --teal-700: #075c68;
  --teal-900: #0a2f38;

  --coral: #d76b45;
  --coral-dark: #b8532f;

  --line: #dde8ea;
  --line-soft: #ecf3f4;

  --bg: #ffffff;
  --bg-alt: #f4fafa;
  --bg-deep: linear-gradient(160deg, #08222a 0%, #0a3f49 45%, #0e6b74 100%);

  --shadow-sm: 0 1px 2px rgba(10, 40, 48, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 40, 48, 0.08);
  --shadow-lg: 0 20px 48px rgba(9, 41, 49, 0.16);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --font-head: "Poppins", "Century Gothic", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; color: var(--muted); }
a {
  color: var(--teal-700);
  text-decoration: underline;
  text-decoration-color: rgba(7, 92, 104, 0.35);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.15em;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
a:hover { color: var(--coral); text-decoration-color: currentColor; }

/* Structural / navigational links read as components already — no underline needed */
.btn, .icon-btn, .brand,
.nav-links a, .breadcrumb a, .docs-toc a,
.footer-col a, .footer-social a, .footer-bottom a,
.code-card pre a, .code-block pre a,
a:has(> code) {
  text-decoration: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--teal-50);
  color: var(--teal-700);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}

ul, ol { color: var(--muted); padding-left: 1.3em; }
li { margin-bottom: 0.45em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------------------------- buttons ---------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75em 1.4em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 10px 24px rgba(215, 107, 69, 0.35);
}
.btn-primary:hover { background: var(--coral-dark); color: #fff; box-shadow: 0 12px 28px rgba(215, 107, 69, 0.45); }

.btn-teal {
  background: var(--teal-600);
  color: #fff;
  box-shadow: 0 10px 24px rgba(8, 127, 140, 0.3);
}
.btn-teal:hover { background: var(--teal-700); color: #fff; }

.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.18); color: #fff; border-color: rgba(255,255,255,0.6); }

.btn-outline {
  background: transparent;
  color: var(--teal-700);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--teal-500); color: var(--teal-700); background: var(--teal-50); }

.btn-sm { padding: 0.5em 1em; font-size: 0.85rem; }

/* ---------------------------- header ---------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* backdrop-filter is scoped to desktop only: applying it here makes the
   header establish a containing block for its position:fixed mobile menu,
   which then sizes itself against the 72px header box instead of the viewport */
@media (min-width: 901px) {
  .site-header {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(14px);
  }
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(10, 40, 48, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.brand img { height: 28px; width: auto; }
.version-select {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  color: var(--muted);
  white-space: nowrap;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  padding: 3px 4px;
  margin-left: 2px;
}
.version-select:hover, .version-select:focus {
  color: var(--teal-700);
  border-color: var(--line);
  outline: none;
}
.version-select:disabled {
  cursor: default;
  opacity: 0.6;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.94rem;
  padding: 0.4em 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--teal-600);
  border-bottom-color: var(--teal-500);
}

.nav-actions { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.icon-btn:hover { border-color: var(--teal-500); color: var(--teal-600); }
.icon-btn svg { width: 18px; height: 18px; }

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 72px 0 0 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 24px;
    gap: 0.4rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    overflow-y: auto;
  }
  .nav-links a { width: 100%; padding: 0.85em 0; border-bottom: 1px solid var(--line-soft); }
  .nav-links.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: inline-flex; }
  .nav-actions .btn-outline-text { display: none; }
}

/* ---------------------------- hero ---------------------------- */

.hero {
  position: relative;
  background: var(--bg-deep);
  color: #fff;
  overflow: hidden;
  padding: 88px 0 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(20, 163, 172, 0.35), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(215, 107, 69, 0.18), transparent 40%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  padding-bottom: 70px;
}

.hero h1 { color: #fff; margin-bottom: 0.5em; }
.hero h1 em { font-style: normal; color: var(--teal-200); }

.hero-sub {
  color: rgba(255,255,255,0.82);
  font-size: 1.12rem;
  max-width: 46ch;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.6rem; }

.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.7em;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}
.hero-points svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--teal-200);
  margin-top: 0.1em;
}

.hero-panel {
  position: relative;
}

.wave-divider { display: block; margin-top: -2px; }
.wave-divider svg { display: block; width: 100%; height: auto; }

/* ---------------------------- code card ---------------------------- */

.code-card {
  background: #0d1f26;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.code-card__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7em 1em;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.code-card__dots { display: flex; gap: 6px; }
.code-card__dots span { width: 10px; height: 10px; border-radius: 50%; }
.code-card__dots span:nth-child(1) { background: #ff5f57; }
.code-card__dots span:nth-child(2) { background: #febc2e; }
.code-card__dots span:nth-child(3) { background: #28c840; }
.code-card__label { font-family: var(--font-mono); font-size: 0.78rem; color: rgba(255,255,255,0.45); }
.code-card__copy {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,0.5); font-size: 0.78rem; font-family: var(--font-body);
  display: inline-flex; align-items: center; gap: 0.35em;
}
.code-card__copy:hover { color: #fff; }
.code-card__copy svg { width: 14px; height: 14px; }

.code-card pre {
  margin: 0;
  padding: 1.2em 1.3em 1.4em;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: #d7e6e4;
}

.tok-kw { color: #f5a3c7; }
.tok-fn { color: #7fd4d9; }
.tok-str { color: #ffd08a; }
.tok-num { color: #b8f0a3; }
.tok-com { color: #6f8b91; font-style: italic; }
.tok-arg { color: #9fc9f5; }

/* generic code block used within docs content */
.code-block {
  background: #0d1f26;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 1.4em 0;
  box-shadow: var(--shadow-sm);
}
.code-block .code-card__bar { padding: 0.55em 0.9em; }
.code-block pre { padding: 1.1em 1.2em; font-size: 0.84rem; color: #d7e6e4; }

/* ---------------------------- sections ---------------------------- */

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-tight { padding: 64px 0; }

.section-head { max-width: 62ch; margin: 0 auto 3.2rem; text-align: center; }
.section-head.left { margin: 0 0 3rem; text-align: left; }

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--teal-600);
  background: var(--teal-50);
  padding: 0.35em 0.9em;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.section-head p { font-size: 1.05rem; }

/* ---------------------------- how it works ---------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  position: relative;
}

.step-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.8rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--teal-600);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  margin-bottom: 1.1rem;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -1.35rem;
  transform: translateY(-50%);
  color: var(--teal-300, #a9dede);
  z-index: 2;
}
.step-arrow svg { width: 22px; height: 22px; }

/* ---------------------------- feature grid ---------------------------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--teal-200); }

.feature-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--teal-50);
  color: var(--teal-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
}
.feature-icon svg { width: 24px; height: 24px; }

.feature-card h3 { margin-bottom: 0.4em; font-size: 1.08rem; }
.feature-card p { margin: 0; font-size: 0.94rem; }

/* ---------------------------- report preview / CTA panel --------------- */

.preview-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.browser-mock {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.browser-mock__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 0.7em 1em;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.browser-mock__bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.browser-mock__url {
  margin-left: 0.6em;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25em 0.9em;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.browser-mock__body { padding: 1.6rem; }
.browser-mock__body .fake-title {
  height: 14px; width: 55%; background: var(--line-soft); border-radius: 6px; margin-bottom: 0.9rem;
}
.mock-stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.8rem; margin-bottom: 1rem; }
.mock-stat {
  border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem;
  background: var(--bg-alt);
}
.mock-stat span { display:block; font-size: 0.68rem; color: var(--muted-light); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .3rem;}
.mock-stat strong { font-family: var(--font-head); color: var(--teal-700); font-size: 1.15rem; }
.mock-chart {
  height: 130px;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--teal-50), #fff);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.mock-chart svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------------------------- code sample (get started) ---------------- */

.sample {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* ---------------------------- recipes ---------------------------- */

.recipe-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 1.6rem;
}
.recipe-search {
  flex: 1;
  min-width: 220px;
  position: relative;
}
.recipe-search input {
  width: 100%;
  padding: 0.75em 1em 0.75em 2.6em;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  background: #fff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2356717d" stroke-width="2"><circle cx="11" cy="11" r="7"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>') no-repeat 0.9em center / 16px;
}
.recipe-search input:focus { outline: none; border-color: var(--teal-500); }

.filter-pills { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-pill {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  padding: 0.55em 1.1em;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}
.filter-pill.active, .filter-pill:hover { border-color: var(--teal-500); color: var(--teal-700); background: var(--teal-50); }

.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
thead th {
  text-align: left;
  background: var(--bg-alt);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.9em 1.1em;
  border-bottom: 1px solid var(--line);
}
tbody td { padding: 0.95em 1.1em; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--ink-soft); }
tbody tr:last-child td { border-bottom: none; }
tbody tr.recipe-row { cursor: pointer; transition: background .12s ease; }
tbody tr.recipe-row:hover { background: var(--teal-50); }
tbody tr.hidden-row { display: none; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.28em 0.7em;
  border-radius: 999px;
}
.badge-yes { background: #e4f6ea; color: #1e7b46; }
.badge-no { background: var(--line-soft); color: var(--muted); }
.badge-teal { background: var(--teal-50); color: var(--teal-700); }
.badge-coral { background: #fbe9e2; color: var(--coral-dark); }

.recipe-detail {
  display: none;
}
.recipe-detail.is-open { display: table-row; }
.recipe-detail td {
  background: var(--bg-alt);
  padding: 0;
  border-bottom: 1px solid var(--line);
}
.recipe-detail__inner { padding: 1.2rem 1.4rem 1.6rem; }
.recipe-detail__inner p:last-child { margin-bottom: 0; }

/* ---------------------------- docs layout ---------------------------- */

.page-hero {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
  padding: 52px 0 40px;
}
.breadcrumb {
  font-size: 0.82rem;
  color: var(--muted-light);
  margin-bottom: 0.9rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--teal-600); }
.page-hero h1 { margin-bottom: 0.4em; }
.page-hero .lead { font-size: 1.08rem; max-width: 65ch; margin: 0; }

.docs-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 3.2rem;
  align-items: start;
  padding: 60px 0 100px;
}

.docs-content { min-width: 0; }

.docs-toc {
  position: sticky;
  top: 96px;
}
.docs-toc-title {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted-light);
  margin-bottom: 0.9rem;
}
.docs-toc ul { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--line); }
.docs-toc li { margin: 0; }
.docs-toc a {
  display: block;
  padding: 0.42em 0 0.42em 1em;
  margin-left: -2px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.9rem;
}
.docs-toc a:hover { color: var(--teal-600); }
.docs-toc a.active { color: var(--teal-700); border-left-color: var(--teal-600); font-weight: 600; }
.docs-toc-sub a { padding-left: 2em; font-size: 0.84rem; }

.docs-content h2 {
  margin-top: 2.6rem;
  padding-top: 0.4rem;
  scroll-margin-top: 96px;
}
.docs-content h2:first-child { margin-top: 0; }
.docs-content h3 { margin-top: 1.8rem; scroll-margin-top: 96px; }
.docs-content > p:first-of-type { font-size: 1.05rem; }

.param-list { list-style: none; padding: 0; margin: 1.2em 0; }
.param-list li {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal-400);
  border-radius: 8px;
  padding: 0.8em 1em;
  margin-bottom: 0.7em;
  background: #fff;
}
.param-list code.param-name { background: none; padding: 0; color: var(--ink); font-weight: 700; }
.param-list .param-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--coral-dark);
  background: #fbe9e2;
  padding: 0.15em 0.5em;
  border-radius: 6px;
  margin-left: 0.5em;
  vertical-align: middle;
}
.param-list p { margin: 0.35em 0 0; font-size: 0.92rem; }

.param-optional, .param-details { margin: 1.2em 0; }
.param-optional > summary, .param-details > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.3em 0;
}
.param-optional > summary::-webkit-details-marker, .param-details > summary::-webkit-details-marker { display: none; }
.param-optional > summary:hover, .param-details > summary:hover { color: var(--teal-600); }
.param-optional > summary::after, .param-details > summary::after {
  content: "";
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-right: 2px solid var(--muted-light);
  border-bottom: 2px solid var(--muted-light);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.param-optional[open] > summary::after, .param-details[open] > summary::after { transform: rotate(-135deg); }
.param-optional .param-list, .param-details .param-list { margin: 0.7em 0 0; }

.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal-500);
  background: var(--teal-50);
  border-radius: 10px;
  padding: 1.1em 1.3em;
  margin: 1.6em 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout-title {
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.4em;
  font-size: 0.92rem;
}
.callout-title svg { width: 16px; height: 16px; color: var(--teal-600); }
.callout.warn { border-left-color: var(--coral); background: #fdf3ef; }
.callout.warn .callout-title svg { color: var(--coral-dark); }

.api-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 1.8rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 96px;
}
.api-card__head {
  padding: 1.1em 1.4em;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.api-card__head .sig {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  color: var(--teal-700);
  font-weight: 700;
}
.api-card__body { padding: 1.2em 1.4em; }
.api-card__body p:first-child { margin-top: 0; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 0.9rem;
  overflow: hidden;
  background: #fff;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  padding: 1.05em 1.3em;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  cursor: pointer;
}
.faq-question .chev { flex-shrink: 0; width: 18px; height: 18px; color: var(--teal-600); transition: transform .2s ease; }
.faq-item.is-open .chev { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
  padding: 0 1.3em;
}
.faq-item.is-open .faq-answer { padding-bottom: 1.2em; }
.faq-answer > div > *:first-child { margin-top: 0; }

.data-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  margin: 1.6em 0;
}
.data-columns .col {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}
.data-columns .col strong { color: var(--teal-700); }
.data-columns .col.required { border-left: 3px solid var(--coral); }

/* ---------------------------- CTA banner ---------------------------- */

.cta-banner {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  padding: 3.4rem 3rem;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.12), transparent 45%);
}
.cta-banner h2 { color: #fff; position: relative; }
.cta-banner p { color: rgba(255,255,255,0.78); max-width: 52ch; margin: 0 auto 1.8rem; position: relative; }
.cta-banner .hero-actions { justify-content: center; position: relative; }

/* ---------------------------- footer ---------------------------- */

.site-footer {
  background: #08181e;
  color: rgba(255,255,255,0.7);
  padding-top: 64px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img { height: 39px; margin-bottom: 1rem; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.92rem; max-width: 32ch; }
.footer-col h4 {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.65em; }
.footer-col a { color: rgba(255,255,255,0.62); font-size: 0.92rem; }
.footer-col a:hover { color: var(--teal-200); }

.footer-social { display: flex; gap: 0.7rem; margin-top: 1.2rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.75);
}
.footer-social a:hover { border-color: var(--teal-400); color: #fff; }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 22px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.42);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }

.footer-pml {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  font-size: 0.86rem;
}
.footer-pml img { height: 52px; width: auto; border-radius: 4px; }
.footer-pml a { color: rgba(255,255,255,0.75); text-decoration-color: rgba(255,255,255,0.35); }
.footer-pml a:hover { color: var(--teal-200); text-decoration-color: currentColor; }

/* ---------------------------- misc ---------------------------- */

.back-to-top {
  position: fixed;
  right: 1.6rem;
  bottom: 1.6rem;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--teal-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease;
  z-index: 90;
  border: none;
  cursor: pointer;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top svg { width: 20px; height: 20px; }

.divider { height: 1px; background: var(--line); border: none; margin: 3rem 0; }

.pill-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1em 0; }
.pill-list li {
  list-style: none;
  background: var(--teal-50);
  color: var(--teal-700);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4em 0.9em;
  border-radius: 999px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}

.info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  background: #fff;
}
.info-card h3 { display: flex; align-items: center; gap: .6em; }
.info-card h3 svg { width: 20px; height: 20px; color: var(--teal-600); }

/* ---------------------------- responsive ---------------------------- */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
  .steps { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-panel, .sample { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-toc { position: static; margin-bottom: 2rem; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .data-columns { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-banner { padding: 2.4rem 1.6rem; }
  .two-col { grid-template-columns: 1fr; }
}