:root {
  --white: #ffffff;
  --blue-primary: #0a66c2;
  --blue-secondary: #1e88e5;
  --blue-light: #e3f2fd;
  --blue-dark: #0d47a1;
  --gray-light: #f5f7fa;
  --gray-text: #4a5568;
  --success-green: #10b981;
  --warning-red: #ef4444;
  --shadow: 0 14px 32px rgba(13, 71, 161, 0.12);
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--gray-text);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}
.container { width: min(1120px, 92%); margin: 0 auto; }

.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e8eef7;
  z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
.logo { height: 42px; width: auto; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--blue-dark); font-weight: 600; padding: 8px 4px; border-bottom: 2px solid transparent; }
.nav a.active, .nav a:hover { border-bottom-color: var(--blue-primary); }

.btn-primary, .btn-outline, .btn-light {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 40px;
  padding: 12px 24px;
  transition: all 0.3s ease;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-primary), var(--blue-secondary));
  box-shadow: 0 8px 20px rgba(10, 102, 194, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--blue-dark); }
.btn-outline { border: 2px solid var(--blue-primary); color: var(--blue-primary); }
.btn-outline:hover { background: var(--blue-light); }
.btn-light { background: #fff; color: var(--blue-primary); }

.hero { padding: 72px 0 64px; text-align: center; background: radial-gradient(circle at top right, #e3f2fd 0%, transparent 35%); }
.badge { display: inline-block; padding: 8px 14px; border-radius: 999px; color: var(--blue-dark); background: var(--blue-light); font-weight: 700; font-size: 0.92rem; }
h1 { color: #0f2d5c; font-size: clamp(2rem, 5vw, 3.2rem); margin: 18px 0 10px; line-height: 1.2; }
h2 { color: #11356b; font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 10px; }
h3 { color: #11417f; margin: 0 0 6px; }
.hero p { max-width: 780px; margin: 0 auto 18px; }
.cursor { animation: blink 0.9s steps(2) infinite; color: var(--blue-primary); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-actions { display: flex; justify-content: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.trust { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; font-weight: 600; color: var(--blue-dark); }
.section { padding: 64px 0; }
.section-soft { background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%); border-top: 1px solid #e6edf8; border-bottom: 1px solid #e6edf8; }
.section-intro { max-width: 740px; margin: 0 auto 18px; text-align: center; }

.cards-3, .cards-4, .apps-grid, .testimonials-grid, .faq-grid {
  display: grid;
  gap: 16px;
}
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cards-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.apps-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.testimonials-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.faq-grid { grid-template-columns: 1fr; max-width: 920px; margin: 0 auto; }

.card {
  background: #fff;
  border: 1px solid #e6edf8;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card a { color: var(--blue-primary); font-weight: 700; text-decoration: none; }
.card.featured { border: 2px solid var(--blue-primary); background: linear-gradient(180deg, #fff, var(--blue-light)); }
.pros { border-left: 4px solid var(--success-green); padding-left: 12px; }
.cons { border-left: 4px solid #fda4af; padding-left: 12px; margin-top: 12px; }
.insight { margin-top: 12px; background: var(--blue-light); border-radius: 10px; padding: 10px; }
.pros ul, .cons ul { margin: 8px 0 0; padding-left: 18px; }
.pros li, .cons li { margin-bottom: 6px; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; justify-content: center; }
.filter-btn { border: 1px solid #c7daf4; background: #fff; color: var(--blue-dark); border-radius: 999px; padding: 8px 16px; font-weight: 700; cursor: pointer; }
.filter-btn.active, .filter-btn:hover { background: var(--blue-primary); color: #fff; }
.app-meta { font-size: 0.95rem; color: #6b7280; }
.banner-custom { margin-top: 24px; background: var(--blue-light); border-radius: var(--radius); padding: 18px; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }

.progress-wrap { background: #eaf1fb; border-radius: 999px; height: 12px; overflow: hidden; margin-top: 10px; }
.progress-bar { width: 0; height: 100%; background: linear-gradient(90deg, #1e88e5, #0a66c2); transition: width 1.2s ease; }

.faq-item { border: 1px solid #dbe6f7; border-radius: 10px; overflow: hidden; }
.faq-question { width: 100%; text-align: left; background: #fff; border: 0; padding: 14px; font-weight: 700; color: #11356b; cursor: pointer; }
.faq-answer { display: none; padding: 0 14px 14px; }
.faq-item.open .faq-answer { display: block; }

.footer { background: #0f2d5c; color: #dce9ff; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding: 26px 0; }
.footer a { color: #dce9ff; display: block; text-decoration: none; margin: 4px 0; }
.footer-logo { height: 40px; width: auto; margin-bottom: 8px; }

.reveal { opacity: 0; transform: translateY(26px); transition: all 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 860px) {
  .nav { display: none; }
  .hero { padding-top: 50px; }
}