:root {
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-50: #eff6ff;
  --green-600: #059669;
  --green-500: #22c55e;
  --green-50: #f0fdf4;
  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --amber-50: #fffbeb;
  --orange-500: #f97316;
  --dark-900: #111827;
  --gray-500: #6b7280;
  --gray-100: #f9fafb;
  --white: #ffffff;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--dark-900);
  background: var(--gray-100);
  line-height: 1.6;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.15rem; text-decoration: none; color: var(--dark-900); display: flex; align-items: center; gap: 8px; }
.logo-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
  color: #fff; font-size: 1rem;
}
.logo-tld { color: var(--blue-600); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; color: var(--gray-500); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--blue-600); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: .95rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(37,99,235,.25); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}
.btn-ghost { border: 1.5px solid #d1d5db; color: var(--dark-900); background: #fff; }
.btn-light { background: #fff; color: var(--blue-600); }
.btn-sm { padding: 8px 18px; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(800px 400px at 80% -10%, rgba(96,165,250,.18), transparent),
    radial-gradient(600px 300px at 10% 0%, rgba(34,197,94,.12), transparent),
    linear-gradient(180deg, #fff 0%, var(--gray-100) 100%);
  padding: 96px 0 72px;
  text-align: center;
}
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: var(--green-50); color: var(--green-600);
  border: 1px solid #bbf7d0;
  font-size: .82rem; font-weight: 600; letter-spacing: .3px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 800; line-height: 1.12; letter-spacing: -1px;
  max-width: 860px; margin: 0 auto;
}
.grad {
  background: linear-gradient(90deg, var(--blue-600), var(--green-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { max-width: 640px; margin: 22px auto 0; color: var(--gray-500); font-size: 1.15rem; }
.hero-cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  margin-top: 56px; display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 1.6rem; color: var(--blue-600); }
.hero-stats span { color: var(--gray-500); font-size: .9rem; }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: #fff; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.5px; margin-bottom: 18px; }
.section-sub { color: var(--gray-500); max-width: 560px; margin: 0 auto 40px; }
.section p { color: var(--gray-500); margin-bottom: 12px; }
.text-blue { color: var(--blue-600); }
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.section-grid > div > p { font-size: 1.02rem; }

/* ---------- Cards ---------- */
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  border-radius: var(--radius); padding: 22px; border: 1px solid #e5e7eb; background: #fff;
}
.card-blue   { background: var(--blue-50);  border-color: #bfdbfe; }
.card-green  { background: var(--green-50); border-color: #bbf7d0; }
.card-amber  { background: var(--amber-50); border-color: #fde68a; }
.card-slate  { background: #fff; }
.card h3 { font-size: 1.02rem; margin: 8px 0 6px; }
.card p { font-size: .9rem; margin: 0; }
.card-icon { font-size: 1.5rem; }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px; }
.feature { background: var(--gray-100); border-radius: var(--radius); padding: 26px; }
.f-icon {
  width: 44px; height: 44px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 14px;
}
.f-icon.blue { background: var(--blue-50); }
.f-icon.green { background: var(--green-50); }
.f-icon.amber { background: var(--amber-50); }
.feature h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature p { font-size: .92rem; margin: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
.step { text-align: center; padding: 30px 22px; background: #fff; border-radius: var(--radius); border: 1px solid #e5e7eb; }
.step-num {
  width: 46px; height: 46px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-600), var(--green-500));
  color: #fff; font-weight: 700; font-size: 1.2rem;
}
.step h3 { margin-bottom: 8px; font-size: 1.05rem; }
.step p { font-size: .92rem; margin: 0; }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--blue-600), var(--green-600));
  color: #fff; border-radius: var(--radius); margin: 0 24px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 28px; }
.cta-band .container { padding: 40px 24px; }
.cta-alt { margin-top: 22px; font-size: .9rem; }
.cta-alt a { color: #fff; }

/* ---------- Footer ---------- */
.footer { padding: 34px 0; color: var(--gray-500); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer a { color: var(--blue-600); text-decoration: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .section-grid, .features, .steps { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .cards-2 { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}