:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --surface: #ffffff;
  --border: #e3e8f0;
  --text: #0f1b33;
  --muted: #56617a;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --shadow: 0 1px 2px rgba(15, 27, 51, 0.04), 0 8px 24px rgba(15, 27, 51, 0.06);
  --radius: 14px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
}

.brand-accent { color: var(--accent-2); }

.nav { display: flex; align-items: center; gap: 28px; }

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text) !important;
}

.nav-cta:hover { border-color: var(--accent-2); }

/* Hero */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(55% 55% at 75% 0%, rgba(14, 165, 233, 0.10), transparent 70%),
    radial-gradient(45% 45% at 15% 15%, rgba(37, 99, 235, 0.08), transparent 70%),
    var(--bg-alt);
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 640px;
  margin: 0 0 36px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

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

.btn-ghost:hover { border-color: var(--accent-2); }

.btn-lg { padding: 16px 34px; font-size: 1.1rem; }

/* Sections */
.section { padding: 90px 0; }

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

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.section-sub {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 48px;
  max-width: 560px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-2);
  box-shadow: 0 12px 30px rgba(15, 27, 51, 0.10);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(14, 165, 233, 0.10);
  color: var(--accent-2);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.card h3 { margin: 0 0 10px; font-size: 1.3rem; }

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

/* About */
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-inner p { color: var(--muted); }
.about-inner p:first-of-type { margin-top: 0; }

.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }

.stats li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.stat-num {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-2);
}

.stat-label { color: var(--muted); font-size: 0.95rem; }

/* Contact */
.contact-inner { text-align: center; }
.contact-inner .section-sub { margin-left: auto; margin-right: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.copy { color: var(--muted); font-size: 0.9rem; }

/* Responsive */
@media (max-width: 720px) {
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .nav { gap: 18px; }
  .hero { padding: 80px 0 70px; }
  .section { padding: 64px 0; }
}

@media (max-width: 480px) {
  .nav a:not(.nav-cta) { display: none; }
}