* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: #f5f7fc; color: #1e293b; line-height: 1.5; transition: background 0.2s, color 0.2s; }
body.dark { background: #0b1424; color: #e2e8f0; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.glass { background: rgba(255,255,255,0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.2); }
.dark .glass { background: rgba(10,20,40,0.7); border-bottom: 1px solid rgba(255,255,255,0.05); }
.card { background: #ffffff; border-radius: 28px; padding: 24px; box-shadow: 0 12px 30px rgba(0,0,0,0.04); transition: transform 0.2s, box-shadow 0.2s; }
.dark .card { background: #1a2744; box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 40px rgba(0,0,0,0.06); }
.btn { display: inline-flex; align-items: center; gap: 6px; background: #1d4ed8; color: white; padding: 12px 28px; border-radius: 60px; font-weight: 600; transition: background 0.15s; border: none; cursor: pointer; }
.btn:hover { background: #1e3a8a; }
.dark .btn { background: #3b82f6; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2,1fr); } .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .container { padding: 0 16px; } }
.header { position: sticky; top: 0; z-index: 50; padding: 12px 0; width: 100%; }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo svg { height: 40px; width: auto; }
.nav { display: flex; gap: 28px; font-weight: 500; }
.nav a { position: relative; padding: 6px 0; }
.nav a.active { color: #1d4ed8; }
.dark .nav a.active { color: #93bbfc; }
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; background: none; border: none; padding: 8px; }
.hamburger span { width: 26px; height: 3px; background: #1e293b; border-radius: 4px; transition: 0.2s; }
.dark .hamburger span { background: #e2e8f0; }
.dark-toggle { background: none; border: 1px solid #94a3b8; border-radius: 40px; padding: 6px 14px; font-size: 14px; cursor: pointer; margin-left: 12px; color: inherit; }
@media (max-width: 768px) {
    .nav { display: none; flex-direction: column; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); position: absolute; top: 70px; left: 0; width: 100%; padding: 24px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); border-radius: 0 0 32px 32px; }
    .dark .nav { background: #0f1d35; }
    .nav.open { display: flex; }
    .hamburger { display: flex; }
}
.hero { padding: 60px 0 80px; background: linear-gradient(145deg, #eef3ff 0%, #dce6fa 100%); border-radius: 0 0 48px 48px; }
.dark .hero { background: #0a1628; }
.hero-grid { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.hero-content { flex: 1 1 400px; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.hero-sub { font-size: 1.25rem; margin-top: 24px; color: #334155; max-width: 500px; }
.dark .hero-sub { color: #cbd5e1; }
.hero-visual { flex: 1 1 300px; text-align: center; }
.hero-visual svg { width: 100%; max-width: 420px; height: auto; }
.badge-group { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }
section { padding: 64px 0; }
.section-title { font-size: 2rem; font-weight: 600; margin-bottom: 24px; letter-spacing: -0.01em; }
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; flex-wrap: wrap; gap: 16px; }
.footer { background: #0b1a33; color: #cbd5e1; padding: 48px 0 24px; border-radius: 48px 48px 0 0; }
.dark .footer { background: #050e1f; }
.footer a { color: #94a3b8; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.fade-up { opacity: 0; transform: translateY(20px); transition: 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.counter { font-weight: 700; font-size: 2.2rem; }
.faq-item { border-bottom: 1px solid #e2e8f0; padding: 18px 0; cursor: pointer; }
.dark .faq-item { border-color: #2d3a5e; }
.faq-q { font-weight: 600; display: flex; justify-content: space-between; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s; margin-top: 8px; color: #475569; }
.dark .faq-a { color: #b0c4e8; }
.faq-item.open .faq-a { max-height: 400px; }
.search-sim { display: flex; background: white; border-radius: 60px; padding: 4px 4px 4px 20px; max-width: 400px; box-shadow: 0 4px 12px rgba(0,0,0,0.02); }
.dark .search-sim { background: #1a2744; }
.search-sim input { border: none; background: transparent; padding: 12px 0; flex:1; outline: none; font-size: 1rem; color: inherit; }
.search-sim button { background: #1d4ed8; border: none; border-radius: 40px; padding: 10px 22px; color: white; font-weight: 600; cursor: pointer; }
.backtop { position: fixed; bottom: 30px; right: 30px; background: #1d4ed8; color: white; width: 48px; height: 48px; border-radius: 60px; display: flex; align-items: center; justify-content: center; opacity: 0; transition: 0.2s; pointer-events: none; z-index: 99; border: none; cursor: pointer; }
.backtop.show { opacity: 1; pointer-events: auto; }
.dark .backtop { background: #3b82f6; }
.carousel-dot { display: flex; justify-content: center; gap: 10px; margin-top: 20px; }
.dot { width: 12px; height: 12px; border-radius: 12px; background: #cbd5e1; transition: 0.2s; cursor: pointer; }
.dot.active { background: #1d4ed8; width: 28px; }
.dark .dot { background: #334155; }
.dark .dot.active { background: #60a5fa; }
.icon-svg { display: inline-block; vertical-align: middle; }
hr { border: none; border-top: 1px solid #e2e8f0; margin: 24px 0; }
.dark hr { border-color: #2d3a5e; }