:root {
  --bg: #f3f6fb;
  --bg-strong: #e7edf6;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-muted: #f7f9fc;
  --text: #142033;
  --muted: #526077;
  --line: rgba(20, 32, 51, 0.1);
  --accent: #0e7490;
  --accent-strong: #0b5d74;
  --accent-soft: rgba(14, 116, 144, 0.1);
  --shadow: 0 12px 30px rgba(20, 32, 51, 0.08);
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(14, 116, 144, 0.08), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, #eef3f9 100%);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 120px;
}

.brand-mark img {
  display: block;
  width: 120px;
}

.brand-text {
  font-size: 1.05rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.topnav a:hover,
.payment-links a:hover {
  color: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.95fr;
  gap: 28px;
  padding: 24px 0 32px;
  align-items: center;
}

.hero-copy h1,
.section-copy h2,
.payment-panel h2,
.contact-dialog-card h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  font-size: clamp(3.1rem, 7vw, 5.8rem);
  max-width: 11ch;
  text-wrap: balance;
}

.lead,
.section-copy p,
.feature-card p,
.payment-panel p,
.faq-list p,
.panel-note,
.contact-dialog-card p {
  color: var(--muted);
  line-height: 1.65;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.hero-actions,
.payment-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, border-color 120ms ease;
}

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

.button-primary {
  color: #f6fbff;
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent), #127b99);
  box-shadow: 0 10px 22px rgba(14, 116, 144, 0.18);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.button-ghost {
  border-color: var(--line);
  background: transparent;
}

.button-disabled,
.button-disabled:hover {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.hero-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
  color: var(--muted);
}

.hero-points li::before {
  content: "*";
  color: var(--accent);
  margin-right: 10px;
}

.hero-panel,
.payment-panel {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel::after,
.payment-panel::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.code-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #111827;
  color: #e8f1ff;
}

.code-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  color: #9fb0cc;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

.traffic {
  display: inline-flex;
  gap: 6px;
}

.traffic span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #516078;
}

.traffic span:nth-child(1) {
  background: #e26d5a;
}

.traffic span:nth-child(2) {
  background: #d9a441;
}

.traffic span:nth-child(3) {
  background: #4db286;
}

pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  font-size: 0.95rem;
  line-height: 1.6;
}

code {
  font-family: Consolas, "Courier New", monospace;
}

.token.keyword {
  color: #7dd3fc;
}

.token.builtin {
  color: #fde68a;
}

.token.type {
  color: #f8b4d9;
}

.token.string {
  color: #86efac;
}

.token.number {
  color: #fdba74;
}

.token.function {
  color: #c4b5fd;
}

.token.comment {
  color: #7c8aa5;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin: 10px 0 56px;
}

.trust-strip div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-align: center;
  background: rgba(255, 255, 255, 0.68);
  color: var(--muted);
}

.section-copy {
  max-width: 720px;
  margin-bottom: 24px;
}

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

.pricing-card,
.feature-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 24px;
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(244, 251, 255, 1), rgba(233, 244, 248, 1));
  border-color: rgba(14, 116, 144, 0.22);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-card h3,
.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
}

.pricing-price {
  margin: 18px 0 6px;
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.7rem;
  line-height: 1;
}

.pricing-price small {
  font-size: 1rem;
  color: var(--muted);
}

.pricing-subtitle,
.pricing-description {
  color: var(--muted);
}

.pricing-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 20px 0 24px;
  list-style: none;
}

.pricing-list li::before {
  content: "*";
  color: var(--accent);
  margin-right: 10px;
}

.pricing-card .button {
  margin-top: auto;
}

.feature-card {
  padding: 22px;
}

.payment-note {
  display: grid;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.76);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin: 12px 0 0;
}

.contact-dialog {
  width: min(540px, calc(100% - 24px));
  border: none;
  padding: 0;
  border-radius: var(--radius-xl);
  background: transparent;
}

.contact-dialog::backdrop {
  background: rgba(20, 32, 51, 0.48);
}

.contact-dialog-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--muted);
}

.docs-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 72px;
}

.docs-shell.api-page {
  width: min(1380px, calc(100% - 32px));
}

.docs-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.75fr;
  gap: 24px;
  align-items: start;
  padding: 12px 0 8px;
}

.docs-hero-copy h1,
.doc-section h2,
.doc-callout h3,
.doc-card h3 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  letter-spacing: -0.03em;
}

.docs-hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  max-width: none;
}

.docs-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.docs-sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
}

.docs-sidebar h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.docs-sidebar nav {
  display: grid;
  gap: 10px;
}

.docs-sidebar a {
  color: var(--muted);
}

.docs-sidebar a:hover {
  color: var(--accent-strong);
}

.docs-main {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.doc-section,
.doc-callout,
.doc-card {
  min-width: 0;
  max-width: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.doc-section p,
.doc-section li,
.doc-callout p,
.doc-card p {
  color: var(--muted);
  line-height: 1.7;
}

.doc-section h2 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.doc-section h3,
.doc-card h3 {
  margin: 24px 0 10px;
  font-size: 1.18rem;
}

.doc-section ul,
.doc-section ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.doc-section code,
.doc-card code,
.docs-sidebar code,
.doc-callout code {
  font-family: Consolas, "Courier New", monospace;
}

.doc-section pre,
.doc-card pre {
  max-width: 100%;
  margin-top: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: #111827;
  color: #e8f1ff;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.doc-callout {
  background: linear-gradient(180deg, rgba(244, 251, 255, 1), rgba(233, 244, 248, 1));
  border-color: rgba(14, 116, 144, 0.22);
}

.inline-link {
  color: var(--accent-strong);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.api-hero .doc-card h3 {
  margin-bottom: 8px;
}

.api-nav-group+.api-nav-group {
  margin-top: 18px;
}

.api-nav-group nav {
  display: grid;
  gap: 8px;
}

.api-type-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.api-type-kind {
  padding: 8px 12px;
  border: 1px solid rgba(14, 116, 144, 0.18);
  border-radius: 999px;
  background: rgba(14, 116, 144, 0.08);
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.api-namespace {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.94rem;
}

.api-type-signature,
.api-signature {
  margin-top: 18px;
}

.api-member-group {
  margin-top: 26px;
}

.api-member-group>h3 {
  margin: 0 0 14px;
}

.api-member {
  min-width: 0;
  max-width: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(247, 250, 253, 0.92);
}

.api-member+.api-member {
  margin-top: 16px;
}

.api-member-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.api-member h3,
.api-meta h4 {
  margin: 0;
}

.api-meta {
  margin-top: 18px;
}

.api-meta h4 {
  margin-bottom: 10px;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.api-param-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
}

.api-param-list li {
  color: var(--muted);
}

@media (max-width: 980px) {

  .hero,
  .pricing-grid,
  .feature-grid,
  .docs-hero,
  .docs-layout,
  .doc-grid {
    grid-template-columns: 1fr;
  }

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

  .pricing-card.featured {
    transform: none;
  }

  .docs-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 20px, 1180px);
  }

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

  .hero-copy h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }
}