:root {
  --bg: #f4fcf7;
  --bg-soft: #eef8f2;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --line: rgba(9, 93, 64, 0.1);
  --line-strong: rgba(9, 93, 64, 0.18);
  --text: #11271e;
  --text-soft: #3d5a4d;
  --text-muted: #6a8478;
  --green-1: #dcfff0;
  --green-2: #a8f0cf;
  --green-3: #39d496;
  --green-4: #0a8c62;
  --green-5: #066347;
  --green-6: #043e2d;
  --red-1: #fff2ef;
  --red-2: #d96855;
  --amber-1: #fff9e9;
  --amber-2: #c88b14;
  --cyan-1: #eefbff;
  --cyan-2: #1784a1;
  --shadow-soft: 0 24px 70px rgba(7, 52, 36, 0.1);
  --shadow-strong: 0 26px 90px rgba(7, 52, 36, 0.16);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: min(1320px, calc(100vw - 20px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(57, 212, 150, 0.18), transparent 26%),
    radial-gradient(circle at 85% 6%, rgba(10, 140, 98, 0.14), transparent 28%),
    radial-gradient(circle at 70% 80%, rgba(168, 240, 207, 0.18), transparent 24%),
    linear-gradient(180deg, #f8fffb 0%, var(--bg) 36%, var(--bg-soft) 100%);
  overflow-x: hidden;
}

a { color: inherit; }
code, pre { font-family: "SFMono-Regular", Consolas, monospace; }
code {
  padding: 0.08rem 0.35rem;
  border-radius: 8px;
  background: rgba(6, 99, 71, 0.08);
  color: var(--green-6);
}
pre {
  margin: 0;
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fbfffc;
  color: #163327;
  font-size: 0.92rem;
  line-height: 1.65;
}

.noise {
  position: fixed;
  inset: 0;
  opacity: 0.05;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.24)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

.grid-light {
  position: fixed;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(10, 140, 98, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 140, 98, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.88), transparent 82%);
}

.page-shell { position: relative; }
.glass-panel {
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(6, 54, 37, 0.08);
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 14px;
  width: var(--container);
  margin: 12px auto 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(6, 54, 37, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--green-4), var(--green-6));
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.52rem;
  font-weight: 700;
  box-shadow: 0 12px 26px rgba(10, 140, 98, 0.24);
}
.brand-copy { display: grid; }
.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.03em;
}
.brand-copy small {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
}
.topnav {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.topnav::-webkit-scrollbar { display: none; }
.topnav a, .topbar-cta, .sidebar a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 800;
  white-space: nowrap;
}
.topbar-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  width: 100%;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid rgba(10, 140, 98, 0.15);
  background: linear-gradient(135deg, rgba(10, 140, 98, 0.1), rgba(57, 212, 150, 0.18));
}
.topnav a:hover, .topbar-cta:hover, .sidebar a:hover, .sidebar a.active { color: var(--green-5); }

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  width: var(--container);
  margin: 18px auto 56px;
}

.sidebar {
  display: none;
}
.sidebar-label {
  margin: 0 0 14px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}
.sidebar a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
}
.content { min-width: 0; }
.hero {
  display: grid;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-xl);
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--green-5);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1, .section h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.05;
}
.hero h1 { font-size: clamp(1.8rem, 8vw, 3.7rem); max-width: 13ch; }
.lead, .section-heading p, .timeline-step p, .endpoint-card p, .info-card p, .faq-list p {
  color: var(--text-soft);
  line-height: 1.75;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.readiness-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.hero-grid article, .info-card, .endpoint-card, .payload-block, .table-card, .faq-list article {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}
.readiness-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}
.hero-grid article { padding: 18px; }
.hero-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 700;
}
.hero-grid strong { font-size: 1rem; }
.section { margin-top: 22px; }
.section-heading { margin-bottom: 18px; }
.section h2 { font-size: clamp(1.55rem, 3vw, 2.4rem); max-width: 18ch; }
.info-grid, .endpoint-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.info-card, .endpoint-card, .payload-block, .table-card, .faq-list article { padding: 18px; }
.readiness-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.readiness-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
  line-height: 1.75;
}
.readiness-card-success {
  background: linear-gradient(180deg, #fbfffc, #effbf4);
}
.readiness-card-info {
  background: linear-gradient(180deg, #fbfeff, #f2fbff);
}
.info-card h3, .endpoint-card h3, .payload-head h3, .timeline-step h3, .faq-list h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.info-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
  line-height: 1.7;
}
.info-card.success { background: linear-gradient(180deg, #fafffc, #effbf4); }
.info-card.warning { background: linear-gradient(180deg, #fffdfa, #fff6ea); }
.timeline { display: grid; gap: 14px; }
.timeline-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}
.timeline-step span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--green-4), var(--green-6));
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
}
.endpoint-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.method {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.method.get { background: #1784a1; }
.method.post { background: #0a8c62; }
.method.patch { background: #c88b14; }
.payload-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.copy-button {
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(10, 140, 98, 0.14), rgba(57, 212, 150, 0.22));
  color: var(--green-6);
  padding: 10px 14px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}
.copy-button:hover { transform: translateY(-1px); }
.copy-button.copied {
  background: linear-gradient(135deg, rgba(23, 132, 161, 0.16), rgba(57, 212, 150, 0.26));
}
.copy-block { display: grid; gap: 12px; }
.table-card table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}
.table-card {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-card th, .table-card td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.table-card th {
  color: var(--green-6);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.table-card tr:last-child td { border-bottom: 0; }
.faq-list { display: grid; gap: 16px; }
.full-width-card {
  margin-top: 16px;
}
.environment-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.environment-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}
.environment-card h3 {
  margin: 14px 0 12px;
  font-size: 1.35rem;
}
.environment-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-soft);
  line-height: 1.7;
}
.environment-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.environment-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.environment-badge-hml {
  color: var(--cyan-2);
  background: var(--cyan-1);
  border: 1px solid rgba(23, 132, 161, 0.16);
}
.environment-badge-prod {
  color: var(--green-5);
  background: var(--green-1);
  border: 1px solid rgba(10, 140, 98, 0.16);
}
.environment-card-hml {
  background: linear-gradient(180deg, #fbfeff, #f2fbff);
}
.environment-card-prod {
  background: linear-gradient(180deg, #fbfffc, #f2fff8);
}
.filter-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin-bottom: 18px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-soft);
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
}
.filter-chip.active {
  color: #fff;
  background: linear-gradient(135deg, var(--green-4), var(--green-5));
  border-color: transparent;
}
[hidden] {
  display: none !important;
}

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .brand-copy small {
    font-size: 0.68rem;
  }
}

@media (max-width: 640px) {
  code {
    word-break: break-word;
  }
  pre {
    padding: 14px;
    font-size: 0.84rem;
  }
  .timeline-step { grid-template-columns: 1fr; }
  .timeline-step span { width: 46px; height: 46px; }
  .payload-head { align-items: start; flex-direction: column; }
  .environment-card h3 {
    font-size: 1.12rem;
    word-break: break-word;
  }
  .table-card th, .table-card td {
    padding: 12px 10px;
  }
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.single-column-layout {
  grid-template-columns: 1fr;
}
.full-width-content {
  max-width: 100%;
}

@media (min-width: 900px) {
  .readiness-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}