:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --bg-dark: #0d1220;
  --text: #141a2b;
  --text-muted: #5a6478;
  --text-on-dark: #e8ecf5;
  --muted-on-dark: #9aa4ba;
  --accent: #4f5bff;
  --accent-strong: #3a44e0;
  --accent-soft: #eceeff;
  --border: #e3e7ef;
  --radius: 14px;
  --container: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.6em;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 100;
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 8px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.logo:hover {
  color: var(--text);
  text-decoration: none;
}

.logo-mark {
  width: 32px;
  height: 32px;
}

.logo-tld {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.95rem;
}

.nav a {
  color: var(--text-muted);
  font-weight: 500;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav .btn {
  color: #fff;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--accent-strong);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

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

.btn-ghost:hover {
  background: var(--bg-soft);
  color: var(--text);
}

/* Hero */

.hero {
  padding: 96px 0 88px;
  background:
    radial-gradient(900px 420px at 85% -10%, var(--accent-soft), transparent 70%),
    var(--bg);
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  max-width: 760px;
}

.hero-stats dt {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-stats dd {
  margin: 4px 0 0;
  font-weight: 600;
}

/* Sections */

.section {
  padding: 96px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.section-dark .section-lead,
.section-dark .card p {
  color: var(--muted-on-dark);
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.card p:last-child {
  margin-bottom: 0;
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.section-dark .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.icon svg {
  width: 22px;
  height: 22px;
}

.about-layout {
  max-width: 760px;
  margin-bottom: 56px;
}

.about-layout p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Process */

.steps {
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 52px;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 24px;
  left: 28px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
}

/* Contact */

.contact-layout {
  max-width: 720px;
}

/* Footer */

.site-footer {
  background: var(--bg-dark);
  color: var(--muted-on-dark);
  padding: 56px 0 32px;
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--text-on-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: var(--text-on-dark);
  font-size: 0.85rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 14px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.site-footer .logo {
  color: var(--text-on-dark);
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Legal page */

.legal {
  padding: 72px 0 96px;
}

.legal .container {
  max-width: 820px;
}

.legal h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.legal h2 {
  font-size: 1.45rem;
  margin-top: 2.2em;
}

.legal h3 {
  margin-top: 1.6em;
}

.legal p,
.legal li {
  color: #343c50;
}

.legal ul {
  padding-left: 1.3em;
  margin: 0 0 1em;
}

.legal li {
  margin-bottom: 0.4em;
}

.legal .meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.legal .toc {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 32px 0 8px;
}

.legal .toc ol {
  margin: 0;
  padding-left: 1.3em;
  columns: 2;
  column-gap: 32px;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.2em;
  font-size: 0.95rem;
}

.legal th,
.legal td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.legal th {
  background: var(--bg-soft);
}

.table-wrap {
  overflow-x: auto;
}

/* Responsive */

@media (max-width: 960px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .section {
    padding: 64px 0;
  }

  .grid-3,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .legal .toc ol {
    columns: 1;
  }
}