:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --surface: #ffffff;
  --text: #14171f;
  --muted: #5b6270;
  --border: #e3e6eb;
  --accent: #2f5bea;
  --accent-hover: #2349c8;
  --accent-soft: #eef2fe;
  --radius: 12px;
  --max: 1080px;
  --shadow: 0 1px 2px rgba(20, 23, 31, 0.04), 0 4px 16px rgba(20, 23, 31, 0.06);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

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

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

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover { text-decoration: none; }

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--muted);
  color: var(--text);
}

.nav-links .btn-primary,
.nav-links .btn-primary:hover {
  color: #fff;
  padding: 8px 16px;
}

/* Sections */
section {
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

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

/* Hero */
.hero {
  padding: 112px 0 96px;
}

.hero .lead {
  max-width: 600px;
  font-size: 1.2rem;
  margin-bottom: 32px;
}

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

/* Cards */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}

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

.card p {
  color: var(--muted);
  margin: 0;
}

.card-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  font-size: 0.93rem;
}

.card-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.icon svg {
  width: 20px;
  height: 20px;
}

/* Process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  counter-increment: step;
  border-top: 2px solid var(--border);
  padding-top: 18px;
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.steps p {
  color: var(--muted);
  margin: 0;
  font-size: 0.97rem;
}

/* About */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.facts li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.97rem;
}

.facts li:last-child { border-bottom: none; }

.facts span:first-child { color: var(--muted); }

.facts span:last-child {
  font-weight: 500;
  text-align: right;
}

/* Contact */
.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow);
}

.contact-box .lead {
  max-width: 520px;
  margin: 0 auto 28px;
}

.contact-meta {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* Legal pages */
.legal {
  padding: 72px 0 96px;
}

.legal .container {
  max-width: 760px;
}

.legal h2 {
  font-size: 1.3rem;
  margin-top: 2em;
}

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

.legal .updated {
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .contact-box { padding: 32px 20px; }

  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
  }

  .nav-links.open { display: flex; }

  .nav-links li a {
    display: block;
    padding: 12px 0;
  }

  .nav-links .btn-primary {
    text-align: center;
    margin-top: 8px;
    padding: 12px 16px;
  }
}