:root {
  --bg: #0b1220;
  --surface: #141b2e;
  --surface-alt: #1a2338;
  --border: #232c42;
  --text: #f3f5fa;
  --text-secondary: #a0a7bd;
  --primary: #1e5fdc;
  --primary-light: #4c86ff;
  --accent: #2ecc8f;
  --radius: 16px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

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

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

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text);
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14.5px;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.92;
}

.btn:active {
  transform: scale(0.98);
}

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

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

/* Hero */
.hero {
  padding: 88px 0 64px;
  text-align: center;
}

.hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero img.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  margin: 0 auto 28px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--primary-light);
}

.hero p.lead {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
section {
  padding: 64px 0;
}

.section-title {
  text-align: center;
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 800;
  margin: 0 0 10px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 48px;
}

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

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

.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  background: rgba(30, 95, 220, 0.14);
  color: var(--primary-light);
}

.card h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.card p {
  color: var(--text-secondary);
  font-size: 14.5px;
  margin: 0;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 24px 20px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}

.step h4 {
  margin: 0 0 6px;
  font-size: 15px;
}

.step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
}

/* CTA */
.cta {
  text-align: center;
  background: linear-gradient(160deg, var(--surface), var(--surface-alt));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 32px;
}

.cta h2 {
  font-size: clamp(24px, 3vw, 30px);
  margin: 0 0 12px;
}

.cta p {
  color: var(--text-secondary);
  margin: 0 0 28px;
}

/* Legal pages */
.legal {
  padding: 56px 0 96px;
}

.legal .legal-header {
  margin-bottom: 40px;
}

.legal .legal-header p {
  color: var(--text-secondary);
}

.legal h1 {
  font-size: clamp(28px, 4vw, 38px);
  margin: 0 0 10px;
}

.legal h2 {
  font-size: 20px;
  margin: 36px 0 12px;
}

.legal p,
.legal li {
  color: var(--text-secondary);
  font-size: 15px;
}

.legal ul {
  padding-left: 20px;
}

.legal a {
  color: var(--primary-light);
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 40px;
}

.toc p {
  margin: 0 0 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 14px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.toc li {
  margin-bottom: 4px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.contact-card .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(46, 204, 143, 0.14);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-card div p {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.contact-card div a,
.contact-card div span {
  font-weight: 700;
  font-size: 14.5px;
  color: var(--text);
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 13.5px;
}

.footer-brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

/* Responsive */
@media (max-width: 860px) {
  .grid,
  .steps,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }

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

  .nav-toggle {
    display: block;
  }

  .grid,
  .steps,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}