:root {
  --bg: #ffffff;
  --bg-2: #f4f7fb;
  --navy: #0b2545;
  --surface: #ffffff;
  --border: #e3e9f2;
  --text: #0b2545;
  --text-muted: #5b6b82;
  --teal: #14b8a6;
  --teal-light: #5eead4;
  --sky: #0ea5e9;
  --gradient: linear-gradient(135deg, #0ea5e9, #14b8a6);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 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(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.3px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--gradient);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #fff;
}

.brand-sub {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--navy);
}

.brand span.accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a.nav-link {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.2s;
}

.nav a.nav-link:hover {
  color: var(--navy);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 22px rgba(20, 184, 166, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(20, 184, 166, 0.45);
}

.btn-ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--navy);
}

.btn-ghost:hover {
  background: var(--bg-2);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 70px;
  text-align: center;
  background: #fff;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 320px at 50% -10%, rgba(14, 165, 233, 0.14), transparent 70%),
    radial-gradient(600px 280px at 80% 0%, rgba(20, 184, 166, 0.12), transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.35);
  color: #0f766e;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(30px, 5.5vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  color: var(--navy);
}

.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto 30px;
  color: var(--text-muted);
  font-size: 18px;
}

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

.tagline {
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy);
  margin: 0 0 14px;
}

.tagline .teal {
  color: var(--teal);
}

/* Sections */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-2);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}

.section-head h2 {
  font-size: clamp(22px, 4vw, 30px);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
  color: var(--navy);
}

.section-head p {
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(11, 37, 69, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(11, 37, 69, 0.1);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: rgba(20, 184, 166, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--navy);
}

.card p {
  color: var(--text-muted);
  font-size: 15px;
}

/* Dark CTA */
.dark-cta {
  background: var(--navy);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.dark-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 260px at 20% 0%, rgba(94, 234, 212, 0.12), transparent 70%),
    radial-gradient(500px 240px at 80% 100%, rgba(14, 165, 233, 0.12), transparent 70%);
  pointer-events: none;
}

.dark-cta .container {
  position: relative;
}

.dark-cta .tagline {
  color: #fff;
}

.dark-cta p {
  color: #c4d0e0;
  max-width: 560px;
  margin: 18px auto 28px;
  font-size: 17px;
}

/* Contact */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.contact-list strong {
  color: var(--navy);
}

.contact-list a {
  color: var(--teal);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  background: var(--navy);
  color: #fff;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
}

.footer-col h4 {
  font-size: 14px;
  margin-bottom: 12px;
  color: #fff;
}

.footer-col a,
.footer-col p {
  display: block;
  color: #c4d0e0;
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  color: #9fb0c6;
  font-size: 13px;
}

/* Legal pages */
.legal {
  padding: 64px 0 80px;
}

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

.legal h1 {
  font-size: 32px;
  margin-bottom: 24px;
  color: var(--navy);
}

.legal h2 {
  font-size: 20px;
  margin: 32px 0 12px;
  color: var(--navy);
}

.legal h3 {
  font-size: 16px;
  margin: 20px 0 8px;
  color: var(--navy);
}

.legal p,
.legal li {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 10px;
}

.legal ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

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

/* Responsive */
@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .contact-box {
    grid-template-columns: 1fr;
  }
  .nav .nav-link {
    display: none;
  }
}