:root { --t1: #17868e; --tm: #2badaf; --t2: #47d9d3; --t3: #e4f6f5; --ink: #123b40; --muted: #4f7275; --line: #c4e9e7; --bg: #f3fbfa; --card: #fff; }
@media (prefers-color-scheme: dark) { :root { --ink: #e8f2f2; --muted: #a9bcbf; --line: #1f4a4c; --bg: #0b1b1d; --card: #112a2d; --t3: #133a3b; } }
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Tahoma, system-ui, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.85; font-size: 17px; }
a { color: var(--t1); } @media (prefers-color-scheme: dark) { a { color: var(--t2); } }
.top { display: flex; align-items: center; gap: 14px; padding: 10px 20px; background: var(--card); border-bottom: 3px solid var(--t2); }
.brand img { display: block; height: 48px; width: auto; }
.tag { color: var(--muted); font-weight: 600; flex: 1; }
.lang { border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; text-decoration: none; font-size: .9rem; }
.menu { display: flex; gap: 6px; overflow-x: auto; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); scrollbar-width: none; }
.menu a { white-space: nowrap; text-decoration: none; padding: 6px 14px; border-radius: 999px; color: var(--ink); font-size: .95rem; }
.menu a[aria-current] { background: linear-gradient(90deg, var(--t1), var(--t2)); color: #fff; }
.wrap { max-width: 920px; margin: 0 auto; padding: 24px 16px 40px; }
h1 { font-size: clamp(1.6rem, 5vw, 2.3rem); line-height: 1.4; margin: 10px 0 12px; }
h2 { font-size: 1.4rem; margin: 34px 0 10px; padding-inline-start: 12px; border-inline-start: 5px solid var(--t2); }
h3 { font-size: 1.12rem; margin: 0 0 6px; }
.lead { font-size: 1.12rem; color: var(--muted); }
.hero { text-align: center; padding: 10px 0 6px; } .hero img { height: 140px; width: auto; }
.stats { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }
.stats li { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px; text-align: center; }
.stats b { display: block; font-size: 1.8rem; color: var(--t1); } @media (prefers-color-scheme: dark) { .stats b { color: var(--t2); } }
.stats span { color: var(--muted); font-size: .95rem; }
.cards, .exams, .plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.card, .exam, .plan, .q { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.card { text-decoration: none; color: var(--ink); transition: border-color .2s; } .card:hover { border-color: var(--t2); }
.card p, .exam p { margin: 0; color: var(--muted); font-size: .95rem; }
.exam .price { margin-top: 8px; color: var(--ink); }
.plan.main { border: 2px solid var(--t2); } .plan .big { font-size: 1.8rem; font-weight: 700; color: var(--t1); margin: 0; }
.tbl { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; font-size: .97rem; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 9px 12px; text-align: start; vertical-align: top; }
.tbl th { background: var(--t3); width: 32%; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px; padding-inline-start: 62px; margin-bottom: 10px; }
.steps li::before { content: counter(s); position: absolute; inset-inline-start: 16px; top: 14px; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--t1), var(--t2)); color: #fff; font-weight: 700; display: grid; place-items: center; }
.steps p { margin: 0; color: var(--muted); }
.q { margin-bottom: 10px; } .q p { margin: 4px 0; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; margin-bottom: 8px; }
.faq summary { font-weight: 700; cursor: pointer; } .faq p { margin: 8px 0 0; color: var(--muted); }
.cta { margin-top: 40px; text-align: center; background: linear-gradient(135deg, var(--t1), var(--t2)); color: #fff; border-radius: 20px; padding: 24px 18px; }
.cta h2 { border: 0; padding: 0; margin: 0 0 6px; } .cta p { margin: 6px 0; }
.btn { display: inline-block; margin: 6px 4px; padding: 10px 22px; border-radius: 999px; background: #fff; color: var(--t1); font-weight: 700; text-decoration: none; }
main > p > .btn { background: linear-gradient(90deg, var(--t1), var(--t2)); color: #fff; }
.btn.ghost { background: transparent; color: #fff; border: 2px solid #fff; }
.foot { text-align: center; padding: 22px 16px 30px; color: var(--muted); border-top: 1px solid var(--line); font-size: .93rem; }
.foot img { vertical-align: middle; height: 32px; width: auto; } .small { font-size: .85rem; }

h1, .stats b, .plan .big { background: linear-gradient(90deg, var(--t1), var(--t2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { border-inline-start-color: var(--tm); color: var(--t1); }
@media (prefers-color-scheme: dark) { h2 { color: var(--t2); } }
.top { border-bottom-color: var(--tm); }
.tag { color: var(--t1); }
.card:hover, .exam:hover { border-color: var(--tm); box-shadow: 0 6px 18px rgba(23, 134, 142, .12); }
.tbl th { color: var(--t1); }
.menu a:hover { background: var(--t3); }