:root {
  --bg: #070b14;
  --bg-elevated: #0f1628;
  --stroke: rgba(255, 255, 255, 0.08);
  --text: #e8eefc;
  --muted: #9aa7c7;
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
  --danger: #fb7185;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.55);
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fb;
    --bg-elevated: #ffffff;
    --stroke: rgba(15, 23, 42, 0.08);
    --text: #0f172a;
    --muted: #475569;
    --accent: #0d9488;
    --accent-strong: #0f766e;
    --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(94, 234, 212, 0.12), transparent 55%),
    radial-gradient(900px 480px at 90% 0%, rgba(99, 102, 241, 0.14), transparent 50%), var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 0.5rem 1rem;
  background: var(--accent-strong);
  color: #020617;
  font-weight: 600;
  border-radius: var(--radius-md);
  transform: translateY(-200%);
  transition: transform 0.2s ease;
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--accent), #6366f1 70%);
  box-shadow: 0 10px 30px rgba(45, 212, 191, 0.25);
}

.brand__text {
  font-size: 1.05rem;
}

.main {
  padding-block: 3rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-strong);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent-strong) 24%, transparent);
}

h1 {
  font-size: clamp(2.1rem, 4vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0.75rem 0 1rem;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 46ch;
}

.trust {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.trust li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 500;
}

.trust li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 8px;
  background: color-mix(in oklab, var(--accent-strong) 18%, transparent);
  color: var(--accent-strong);
  font-size: 0.75rem;
  font-weight: 700;
}

.auth-card {
  background: var(--bg-elevated);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.auth-card__head h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.auth-card__sub {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.field input[type="email"],
.field input[type="password"],
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: color-mix(in oklab, var(--bg-elevated) 92%, var(--text));
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--accent-strong) 55%, var(--stroke));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-strong) 25%, transparent);
}

.field--checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.field--checkbox input {
  margin-top: 0.3rem;
  accent-color: var(--accent-strong);
}

.field--checkbox label {
  margin: 0;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  font: inherit;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--accent-strong), #22c55e 120%);
  color: #021014;
  box-shadow: 0 16px 40px color-mix(in oklab, var(--accent-strong) 28%, transparent);
}

.btn--primary:hover {
  box-shadow: 0 20px 50px color-mix(in oklab, var(--accent-strong) 36%, transparent);
}

.fineprint {
  margin: 1.25rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  text-align: center;
}

.faq {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--stroke);
}

.faq h2 {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.faq__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .faq__grid {
    grid-template-columns: 1fr;
  }
}

.faq-item {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: color-mix(in oklab, var(--bg-elevated) 70%, transparent);
}

.faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--stroke);
  padding-block: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  text-align: center;
}

.footer__inner p {
  margin: 0;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.35rem;
}

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

.footer__nav a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* ==================================================================
 * Shared furniture for interior pages
 * ================================================================== */

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}

.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--accent-strong) 55%, var(--stroke));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-strong) 25%, transparent);
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field__hint {
  margin: 0.4rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

/* Header navigation --------------------------------------------- */

.header__inner {
  flex-wrap: wrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.5rem);
  margin-left: auto;
  font-size: 0.94rem;
  font-weight: 500;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav a:hover {
  color: var(--text);
  text-decoration: underline;
}

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.nav .nav__cta {
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklab, var(--accent-strong) 32%, var(--stroke));
  background: color-mix(in oklab, var(--accent-strong) 12%, transparent);
  color: var(--text);
}

.nav .nav__cta:hover {
  background: color-mix(in oklab, var(--accent-strong) 20%, transparent);
  text-decoration: none;
}

@media (max-width: 560px) {
  .nav {
    gap: 0.8rem;
    font-size: 0.88rem;
  }

  .nav .nav__cta {
    padding: 0.45rem 0.7rem;
  }
}

/* Page head + sections ------------------------------------------ */

.page-head {
  max-width: 64ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-head .lede {
  margin-bottom: 0;
}

.section {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
}

.section > h2 {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.section__sub {
  margin: -0.75rem 0 1.5rem;
  color: var(--muted);
  max-width: 58ch;
}

.meta-line {
  margin: 0 0 2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

/* Buttons (variants) -------------------------------------------- */

.btn--ghost {
  background: transparent;
  border-color: var(--stroke);
  color: var(--text);
}

.btn--ghost:hover {
  background: color-mix(in oklab, var(--text) 7%, transparent);
}

.btn--block {
  width: 100%;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Single-column auth layout ------------------------------------- */

.auth-shell {
  width: min(480px, 100%);
  margin-inline: auto;
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 1.15rem;
  font-size: 0.9rem;
}

.auth-links a {
  color: var(--accent-strong);
}

.code-field input {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-indent: 0.35em;
  text-align: center;
  padding-block: 0.85rem;
}

/* Card grid ------------------------------------------------------ */

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

.card {
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: color-mix(in oklab, var(--bg-elevated) 70%, transparent);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.card p + p {
  margin-top: 0.65rem;
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 0.9rem;
  border-radius: 10px;
  background: color-mix(in oklab, var(--accent-strong) 16%, transparent);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
}

.card a {
  color: var(--accent-strong);
}

/* Callout note --------------------------------------------------- */

.note {
  display: flex;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklab, var(--accent-strong) 28%, var(--stroke));
  background: color-mix(in oklab, var(--accent-strong) 8%, transparent);
  color: var(--muted);
  font-size: 0.92rem;
}

.note::before {
  content: "i";
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--accent-strong);
  color: #021014;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.note p {
  margin: 0;
}

.note strong {
  color: var(--text);
}

/* Long-form prose ------------------------------------------------ */

.prose {
  max-width: 74ch;
}

.prose h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1rem;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose a {
  color: var(--accent-strong);
}

/* Data table ----------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.table-wrap caption {
  caption-side: bottom;
  padding: 0.8rem 1rem;
  text-align: left;
  font-size: 0.82rem;
  color: var(--muted);
}

.table-wrap th,
.table-wrap td {
  padding: 0.8rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--stroke);
  white-space: nowrap;
}

.table-wrap thead th {
  background: color-mix(in oklab, var(--bg-elevated) 70%, transparent);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.table-wrap tbody th {
  color: var(--text);
  font-weight: 600;
}

.table-wrap td {
  color: var(--muted);
}

.table-wrap tbody tr:last-child th,
.table-wrap tbody tr:last-child td {
  border-bottom: 0;
}