:root {
  --brand-primary: #0891b2;
  --brand-primary-dark: #0e7490;
  --brand-light: #ecfeff;
  --brand-gradient: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0e7490 100%);
  --grey-90: #18181b;
  --grey-80: #27272a;
  --grey-50: #71717a;
  --grey-20: #e4e4e7;
  --grey-5: #fafafa;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(8, 145, 178, 0.08);
  --radius: 16px;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--grey-80);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

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

a:hover {
  color: var(--brand-primary-dark);
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grey-20);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--grey-90);
  text-decoration: none;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: var(--brand-gradient);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

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

.site-nav a {
  color: var(--grey-50);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--brand-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand-primary);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(8, 145, 178, 0.25);
}

.btn-primary:hover {
  background: var(--brand-primary-dark);
  color: var(--white);
}

.btn-outline {
  border: 2px solid var(--brand-primary);
  color: var(--brand-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--brand-light);
  color: var(--brand-primary-dark);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grey-20);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brand-gradient);
  opacity: 0.07;
}

.hero-content {
  position: relative;
  padding: 5rem 0 4rem;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  background: var(--brand-light);
  color: var(--brand-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 1.5rem auto 0;
  max-width: 18ch;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--grey-90);
}

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

.hero-lead {
  margin: 1.5rem auto 0;
  max-width: 42rem;
  font-size: 1.125rem;
  color: var(--grey-50);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* Sections */
section {
  padding: 4.5rem 0;
}

section:nth-child(even) {
  background: var(--grey-5);
}

.section-header {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  color: var(--grey-90);
}

.section-header p {
  margin: 0.75rem 0 0;
  color: var(--grey-50);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--grey-20);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.5rem;
  color: var(--grey-90);
  font-size: 1.0625rem;
}

.card p {
  margin: 0;
  color: var(--grey-50);
  font-size: 0.9375rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--brand-gradient);
  color: var(--white);
  font-weight: 700;
  font-size: 0.875rem;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--grey-20);
  border-radius: 12px;
}

.feature-list li::before {
  content: "✓";
  flex-shrink: 0;
  color: var(--brand-primary);
  font-weight: 700;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.contact-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--grey-90);
}

.coming-soon {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  background: var(--brand-light);
  border: 1px solid rgba(8, 145, 178, 0.15);
  color: var(--brand-primary-dark);
  font-size: 0.9375rem;
}

/* Legal pages */
.legal-page {
  padding: 3rem 0 5rem;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--grey-90);
}

.legal-meta {
  color: var(--grey-50);
  font-size: 0.875rem;
  margin-bottom: 2.5rem;
}

.legal-page h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--grey-90);
}

.legal-page p,
.legal-page li {
  color: var(--grey-50);
}

.legal-page ul {
  padding-left: 1.25rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--grey-20);
  background: var(--grey-5);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr);
  gap: 2rem;
}

.footer-grid h3 {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--grey-80);
}

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

.footer-grid li + li {
  margin-top: 0.625rem;
}

.footer-grid a {
  color: var(--grey-50);
  font-size: 0.875rem;
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--brand-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--grey-20);
  font-size: 0.875rem;
  color: var(--grey-50);
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

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

  .hero-content {
    padding: 3.5rem 0 3rem;
  }
}