:root {
  --primary: #0054ad;
  --bg: #f9fafb;
  --dark: #121212;
  --card-accent: rgba(0, 84, 173, 0.1);
  --text: #1c2430;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.container { width: min(1120px, 92%); margin: 0 auto; }
.section { padding: 72px 0; }
.center { text-align: center; }
h1,h2,h3,h4 { font-family: Poppins, sans-serif; margin: 0 0 12px; line-height: 1.15; }
h1 { font-size: clamp(2rem, 5vw, 3.8rem); }
h1 span,h2 span { color: var(--primary); }
h2 { font-size: clamp(1.7rem, 3vw, 2.75rem); }
.sub { max-width: 560px; margin: 0 auto; color: #4b5563; }
.pill { display: inline-block; background:#e8edf3; padding: 8px 14px; border-radius: 999px; font-size: 13px; margin-bottom: 16px; }

.topbar { position: sticky; top: 0; background: #fff; z-index: 20; border-bottom: 1px solid #ebedf0; }
.nav { min-height: 70px; display:flex; align-items:center; justify-content:space-between; gap: 18px; }
.logo img { height: 28px; }
.nav-links { display:flex; align-items:center; gap: 18px; }
.nav-links a { color:#374151; text-decoration:none; font-size: 14px; }
.menu-btn { display:none; border:0; background:transparent; font-size: 26px; }

.btn { border: 0; border-radius: 999px; padding: 10px 18px; cursor: pointer; font-weight: 600; transition: transform .25s, background-color .25s, color .25s, box-shadow .25s; }
.btn:hover { transform: scale(1.03); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(0,84,173,.25); }
.btn-primary:hover { background:#004793; }
.btn-ghost { background: #fff; color: var(--primary); border:1px solid #d2dcea; }

.section-bubble { background: linear-gradient(180deg, #e9eff7 0%, #dce7f5 100%); position: relative; overflow: hidden; }
.section-bubble::before, .section-bubble::after { content:""; position:absolute; border-radius:50%; background: var(--card-accent); }
.section-bubble::before { width:180px; height:180px; right:-40px; bottom:-40px; }
.section-bubble::after { width:90px; height:90px; left:6%; top:28%; }
.hero { padding: 88px 0 96px; }
.hero-ctas { margin-top: 26px; display:flex; justify-content:center; gap: 12px; }

.icon-row { display:grid; grid-template-columns:repeat(4, 56px); justify-content:center; gap: 22px; padding: 42px 0 10px; }
.icon-row div { width:56px; height:56px; border-radius: 14px; display:grid; place-items:center; background:#ebf0f7; color: #38577a; }

.card, .panel { background: linear-gradient(180deg, rgba(0,84,173,.09), rgba(0,84,173,.03)); border: 1px solid #d6e2f1; border-radius: 16px; padding: 24px; }
.card { min-height: 190px; text-align: left; transition: transform .2s, box-shadow .2s; }
.card:hover, .panel:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(0,0,0,.09); }
.card p, .panel p { margin: 0; color:#4b5563; font-size: 14px; }

.feature-swiper { margin-top: 34px; padding-bottom: 36px !important; }
.swiper-pagination-bullet { background: #a6bfdc !important; opacity: 1 !important; }
.swiper-pagination-bullet-active { background: var(--primary) !important; width: 22px; border-radius: 8px !important; }

.grid { display:grid; gap: 18px; }
.three-col { grid-template-columns: repeat(3, 1fr); }
.two-col { grid-template-columns: repeat(2, 1fr); }
.panel small { display:inline-block; font-size:11px; letter-spacing:.06em; color:#64748b; margin-bottom:8px; }
.code-panel pre { background: #fff; border: 1px solid #d8e2ef; border-radius: 12px; padding: 12px; font-size: 12px; overflow: auto; }
.label-rail { writing-mode: vertical-rl; text-orientation: mixed; color:#6d85a3; font-weight:600; letter-spacing:.08em; margin: 0 0 10px; }

.cta-band { border-radius: 20px; margin: 48px auto; width: min(1120px, 92%); padding: 52px 0; }

.faq .accordion { display:grid; grid-template-columns:1fr 1fr; gap: 12px; margin-top: 22px; }
details { background:#fff; border:1px solid #d8e2ef; border-radius: 10px; padding: 12px 14px; }
summary { cursor:pointer; font-weight:500; }
details p { margin: 10px 0 2px; color:#4b5563; }

.drawer,.backdrop { display:none; }
.footer { background: var(--primary); color: #dbeafe; padding: 44px 0 20px; margin-top: 40px; }
.footer-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap: 20px; }
.footer a { display:block; margin: 8px 0; color:#e0ecff; font-size:14px; }
.copyright { border-top:1px solid rgba(255,255,255,.2); margin-top: 24px; padding-top: 16px; font-size: 13px; }

@media (max-width: 1024px) {
  .three-col { grid-template-columns: repeat(2, 1fr); }
  .faq .accordion { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .menu-btn { display:block; }
  .nav-links { display:none; }
  .drawer { position: fixed; right: 0; top: 0; height:100vh; width:min(320px, 86vw); background:#fff; z-index: 40; padding: 18px; transform: translateX(100%); transition: transform .3s; display:block; }
  .drawer.open { transform: translateX(0); }
  .drawer-header { display:flex; justify-content:space-between; align-items:center; margin-bottom: 24px; }
  .drawer-header img { height: 24px; }
  .drawer-close { border:0; background:transparent; font-size:24px; }
  .drawer-links a { display:block; padding: 12px 0; color:#1f2937; text-decoration:none; border-bottom:1px solid #eef2f7; }
  .drawer-links .btn { margin-top: 14px; width: 100%; }
  .backdrop.show { display:block; position:fixed; inset:0; background: rgba(9,20,35,.36); z-index: 30; }
  .two-col, .three-col { grid-template-columns: 1fr; }
  .label-rail { writing-mode: horizontal-tb; margin-bottom: 10px; }
  .hero { padding-top: 58px; }
  .section { padding: 56px 0; }
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}
details[open] .faq-content { max-height: 180px; }
.faq-content p { margin: 10px 0 2px; }