:root {
  --bg: #0c1118;
  --bg-elev: #141b24;
  --ink: #e8eef5;
  --muted: #8b9aab;
  --line: rgba(232, 238, 245, 0.12);
  --accent: #c4a574;
  --accent-deep: #8f7348;
  --ok: #6f9e7a;
  --danger: #c97a6a;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --max: 72rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #dbbf8f;
}

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

.site-nav {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.site-nav .nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav .nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 560;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.35s var(--ease), background 0.25s ease, border-color 0.25s ease,
    color 0.25s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #12160f;
}

.btn-primary:hover {
  background: #dbbf8f;
  color: #12160f;
}

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

.btn-ghost:hover {
  border-color: rgba(232, 238, 245, 0.35);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  padding: clamp(6rem, 14vh, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 90% 70% at 15% 20%, rgba(196, 165, 116, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 60% at 90% 80%, rgba(40, 70, 90, 0.45), transparent 50%),
    linear-gradient(165deg, #0a0e14 0%, #121a24 42%, #0d141c 100%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("assets/grain.svg");
  background-size: 280px;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.brand {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(3.4rem, 11vw, 7.2rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  color: var(--ink);
}

.headline {
  margin: 0 0 0.85rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) forwards;
}

.reveal-delay {
  animation-delay: 0.18s;
}

.reveal-delay-2 {
  animation-delay: 0.34s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  padding: clamp(3.5rem, 9vh, 6rem) clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  letter-spacing: -0.03em;
}

.section p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
}

.section + .section {
  background: linear-gradient(180deg, transparent, rgba(196, 165, 116, 0.04));
}

.lede-secondary {
  margin-top: 0.75rem;
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.site-nav--solid {
  position: relative;
  max-width: none;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 17, 24, 0.92);
  backdrop-filter: blur(8px);
}

.page-shell .page-main {
  padding-top: 2.75rem;
}

.site-footer {
  margin-top: auto;
  padding: clamp(2.75rem, 6vh, 4rem) clamp(1.25rem, 4vw, 3rem) 1.5rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 27, 36, 0.35), transparent);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(12rem, 1.4fr) repeat(3, minmax(7rem, 1fr));
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.footer-brand .footer-logo {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.footer-brand p {
  margin: 0;
  max-width: 22rem;
  line-height: 1.5;
}

.footer-col h3 {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col li + li {
  margin-top: 0.45rem;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-col code {
  font-size: 0.82rem;
}

.footer-bottom {
  max-width: var(--max);
  margin: 2.25rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
}

@media (max-width: 800px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* —— API page —— */
.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
  padding: 6.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
}

.page-main .section-inner {
  max-width: 52rem;
}

.page-kicker {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.doc-block {
  margin: 2.25rem 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.doc-block h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.doc-block p,
.doc-block li {
  color: var(--muted);
}

.doc-block ul {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
}

.code {
  margin: 0.85rem 0 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: #d7e0ea;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre;
}

.method {
  color: var(--accent);
  font-weight: 600;
}

.playground {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.85rem;
}

.field label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.98rem;
}

.field input:focus,
.field textarea:focus {
  outline: 1px solid rgba(196, 165, 116, 0.55);
  border-color: rgba(196, 165, 116, 0.45);
}

.field textarea {
  min-height: 5.5rem;
  resize: vertical;
}

.playground-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.status {
  font-size: 0.9rem;
  color: var(--muted);
}

.status.is-ok {
  color: var(--ok);
}

.status.is-err {
  color: var(--danger);
}

#result {
  min-height: 10rem;
  max-height: 28rem;
  overflow: auto;
}

@media (max-width: 640px) {
  .site-nav .nav-links a:not(.btn):not(.nav-user) {
    display: none;
  }

  .brand {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }
}

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.88rem;
}

.nav-user {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink) !important;
  text-decoration: none !important;
  font-size: 0.9rem;
}

.nav-avatar {
  border-radius: 50%;
  object-fit: cover;
}

.info-steps {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  max-width: 40rem;
  color: var(--muted);
}

.info-steps li + li {
  margin-top: 0.75rem;
}

.info-steps strong {
  color: var(--ink);
  font-weight: 560;
}

.account-head {
  display: flex;
  gap: 1.15rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.account-avatar {
  border-radius: 50%;
  border: 1px solid var(--line);
}

.account-meta {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.account-error {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(201, 122, 106, 0.45);
  background: rgba(201, 122, 106, 0.1);
  color: #e8b4aa;
}

.account-actions {
  margin-top: 2rem;
}

.page-title {
  margin-top: 0;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

@media (max-width: 540px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

.search-panel {
  margin-top: 1.75rem;
  max-width: 40rem;
}

.search-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.search-tab {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.search-tab:hover {
  color: var(--ink);
  border-color: rgba(232, 238, 245, 0.22);
}

.search-tab.is-active {
  border-color: rgba(196, 165, 116, 0.55);
  color: var(--ink);
  background: rgba(196, 165, 116, 0.12);
}

.field-select {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.98rem;
}

#search-result {
  min-height: 8rem;
  max-height: 24rem;
  overflow: auto;
}