*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red: #FF0505;
  --red-dark: #cc0404;
  --white: #ffffff;
  --off-white: #f9f9f9;
  --gray-100: #f2f2f2;
  --gray-200: #e5e5e5;
  --gray-500: #6b6b6b;
  --gray-700: #333333;
  --gray-900: #111111;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1100px;
  --radius: 8px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a {
  color: var(--red);
  text-decoration: none;
  transition: opacity var(--transition);
}
a:hover { opacity: 0.8; }

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

/* ── LAYOUT ───────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* ── NAV ──────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.5px;
}
.logo span { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--gray-700);
  font-size: 0.925rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--red); opacity: 1; }

.nav-cta {
  background: var(--red) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
}
.nav-cta:hover { background: var(--red-dark) !important; opacity: 1 !important; }

/* ── BUTTONS ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); opacity: 1; }

.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--gray-900);
  border: 1.5px solid var(--gray-200);
}
.btn-outline:hover { border-color: var(--gray-500); color: var(--gray-900); }

/* ── HERO ─────────────────────────────────── */
.hero {
  padding: 120px 0 96px;
  background: var(--white);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff0f0;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,5,5,0.15);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--gray-900);
  max-width: 680px;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--red);
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── STATS BAR ────────────────────────────── */
.stats-bar {
  padding: 40px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  background: var(--off-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gray-900);
  letter-spacing: -1px;
}
.stat-number span { color: var(--red); }
.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ── FEATURES ─────────────────────────────── */
.features { background: var(--white); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--gray-500);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  border-color: var(--red);
  box-shadow: 0 4px 24px rgba(255,5,5,0.08);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: #fff0f0;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--gray-500);
  font-size: 0.925rem;
  line-height: 1.7;
}

/* ── HOW IT WORKS ─────────────────────────── */
.how-it-works { background: var(--off-white); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  counter-reset: steps;
}

.step { counter-increment: steps; position: relative; }

.step::before {
  content: counter(steps, decimal-leading-zero);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--gray-200);
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p { color: var(--gray-500); font-size: 0.925rem; }

/* ── CTA BAND ─────────────────────────────── */
.cta-band {
  background: var(--red);
  padding: 80px 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.cta-band p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.btn-white {
  background: var(--white);
  color: var(--red);
  font-weight: 700;
}
.btn-white:hover { background: var(--gray-100); color: var(--red); }

/* ── FOOTER ───────────────────────────────── */
footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.5);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.875rem;
  max-width: 240px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── CONTACT PAGE ─────────────────────────── */
.page-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--gray-200);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.page-hero p { color: var(--gray-500); font-size: 1.05rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 0;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

.contact-methods { display: flex; flex-direction: column; gap: 32px; }

.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: #fff0f0;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-method h3 { font-weight: 700; margin-bottom: 4px; }
.contact-method p { color: var(--gray-500); font-size: 0.9rem; }
.contact-method a { color: var(--red); font-size: 0.9rem; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.925rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  background: var(--white);
  color: var(--gray-900);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--red);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ── DOCS PAGE ────────────────────────────── */

/* Breadcrumb */
.docs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 32px;
}
.docs-breadcrumb a { color: var(--gray-500); }
.docs-breadcrumb a:hover { color: var(--red); }
.docs-breadcrumb span { color: var(--gray-300); }

/* Method badge */
.endpoint-block {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 20px 0 28px;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  color: var(--gray-700);
  flex-wrap: wrap;
  gap: 8px;
}

.method-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  font-family: var(--font);
}
.method-badge.post { background: var(--red); color: var(--white); }
.method-badge.get  { background: #0ea5e9; color: var(--white); }
.method-badge.ws   { background: #8b5cf6; color: var(--white); }

/* Param table */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
  font-size: 0.875rem;
}

.param-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--gray-100);
  color: var(--gray-700);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--gray-200);
}

.param-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
  color: var(--gray-700);
  line-height: 1.5;
}

.param-table tr:last-child td { border-bottom: none; }

.param-table td code {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8em;
  color: var(--red-dark);
}

.param-name { font-family: 'Fira Code', monospace; color: var(--gray-900); font-weight: 600; }
.param-type { color: #8b5cf6; font-family: 'Fira Code', monospace; }
.tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font);
}
.tag-required { background: #fff0f0; color: var(--red); border: 1px solid rgba(255,5,5,0.2); }
.tag-optional { background: var(--gray-100); color: var(--gray-500); border: 1px solid var(--gray-200); }

/* ── LANGUAGE TABS ────────────────────────── */
.lang-tabs {
  margin: 20px 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid var(--gray-200);
}

.lang-tab-bar {
  display: flex;
  flex-wrap: wrap;
  background: var(--gray-100);
  border-bottom: 1.5px solid var(--gray-200);
  gap: 0;
}

.lang-tab {
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.lang-tab:hover { color: var(--gray-900); }

.lang-tab.active {
  color: var(--red);
  border-bottom-color: var(--red);
}

.lang-panel {
  display: none;
  position: relative;
  background: var(--gray-900);
}

.lang-panel.active { display: block; }

.lang-panel pre {
  margin: 0;
  border-radius: 0;
  border-left: none;
  border: none;
}

.lang-panel .copy-btn {
  top: 12px;
  right: 12px;
}

/* Code block with label */
.code-block {
  position: relative;
  margin: 20px 0;
}

.code-label {
  display: inline-block;
  background: var(--gray-700);
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius) var(--radius) 0 0;
  font-family: var(--font);
}

.code-block pre {
  margin-top: 0;
  border-radius: 0 var(--radius) var(--radius) var(--radius);
}

/* Copy button */
.copy-btn {
  position: absolute;
  top: 32px;
  right: 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  font-family: var(--font);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.copy-btn:hover { background: rgba(255,255,255,0.18); color: var(--white); }
.copy-btn.copied { color: #4ade80; border-color: #4ade80; }

/* Section divider */
.docs-divider {
  border: none;
  border-top: 1.5px solid var(--gray-200);
  margin: 56px 0;
}

/* ── DOCS PAGE ────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  padding: 64px 0 96px;
}

@media (max-width: 768px) {
  .docs-layout { grid-template-columns: 1fr; gap: 32px; }
  .docs-sidebar { display: none; }
}

.docs-sidebar {
  position: sticky;
  top: 88px;
  align-self: flex-start;
}

.docs-sidebar nav h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
  margin-top: 24px;
}

.docs-sidebar nav h4:first-child { margin-top: 0; }

.docs-sidebar nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.docs-sidebar nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--gray-700);
  transition: background var(--transition), color var(--transition);
}

.docs-sidebar nav a:hover,
.docs-sidebar nav a.active {
  background: #fff0f0;
  color: var(--red);
  opacity: 1;
}

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

.docs-content h1 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.docs-content h2 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-top: 56px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1.5px solid var(--gray-200);
}

.docs-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
}

.docs-content p { color: var(--gray-700); margin-bottom: 16px; line-height: 1.75; }
.docs-content ul, .docs-content ol { margin-bottom: 16px; padding-left: 20px; color: var(--gray-700); }
.docs-content li { margin-bottom: 6px; line-height: 1.7; }

.docs-content code {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875em;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  color: var(--red-dark);
}

.docs-content pre {
  background: var(--gray-900);
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  border-left: 3px solid var(--red);
}

.docs-content pre code {
  background: none;
  color: #e2e8f0;
  font-size: 0.875rem;
  padding: 0;
  line-height: 1.7;
}

.callout {
  border-left: 3px solid var(--red);
  background: #fff0f0;
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}

.callout p { margin: 0; color: var(--gray-700); font-size: 0.925rem; }
.callout strong { color: var(--red); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: #fff0f0;
  color: var(--red);
  border: 1px solid rgba(255,5,5,0.2);
  vertical-align: middle;
  margin-left: 8px;
}

/* ── LANGUAGE SWITCHER ────────────────────── */
.lang-switcher {
  position: relative;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font);
  color: var(--gray-700);
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.lang-toggle:hover { border-color: var(--red); color: var(--red); }

.lang-chevron { transition: transform var(--transition); }
.lang-dd.open ~ * .lang-chevron,
.lang-switcher:has(.lang-dd.open) .lang-chevron { transform: rotate(180deg); }

.lang-dd {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  list-style: none;
  min-width: 130px;
  z-index: 200;
  overflow: hidden;
}
.lang-dd.open { display: block; }

.lang-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 9px 14px;
  background: none;
  border: none;
  font-size: 0.825rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--gray-700);
  cursor: pointer;
  gap: 10px;
  transition: background var(--transition), color var(--transition);
}
.lang-opt:hover { background: var(--gray-100); color: var(--gray-900); }
.lang-opt.active { color: var(--red); background: #fff0f0; }

.lang-name {
  font-weight: 400;
  color: var(--gray-500);
  font-size: 0.775rem;
}
.lang-opt.active .lang-name { color: var(--red); opacity: 0.7; }

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 640px) {
  nav .nav-links { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  section { padding: 64px 0; }
}