:root {
  --ink: #0f1b2d;
  --ink-soft: #3d4a5c;
  --muted: #6b7686;
  --bg: #ffffff;
  --bg-alt: #f4f7fa;
  --line: #dde3ea;
  --brand: #0b3a5b;
  --brand-2: #0e7c86;
  --accent: #19a974;
  --card: #ffffff;
  --focus: #f2b134;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15,27,45,.06), 0 8px 24px rgba(15,27,45,.06);
  --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eef5;
    --ink-soft: #c2ccd8;
    --muted: #93a0b0;
    --bg: #0b1420;
    --bg-alt: #101c2b;
    --line: #22324a;
    --brand: #7cc4e8;
    --brand-2: #4fd1c5;
    --accent: #3ddc97;
    --card: #12202f;
    --shadow: none;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--brand-2); text-underline-offset: 3px; }
a:hover { color: var(--brand); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.15rem; }
.logo svg { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--ink); }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn-primary { background: var(--brand-2); color: #fff; }
.btn-primary:hover { background: var(--brand); color: #fff; }
@media (prefers-color-scheme: dark) { .btn-primary { color: #06121c; } .btn-primary:hover { color: #06121c; } }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--brand-2); color: var(--ink); }
.nav .btn { padding: 8px 16px; font-size: .9rem; }
@media (max-width: 760px) { .nav a:not(.btn) { display: none; } }

/* Hero */
.hero { padding: 72px 0 64px; background: radial-gradient(1200px 400px at 85% -10%, color-mix(in srgb, var(--brand-2) 14%, transparent), transparent), var(--bg); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand-2); margin-bottom: 14px; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 18px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; margin: 0; list-style: none; color: var(--muted); font-size: .92rem; }
.trust li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 6px; }
.hero-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 26px; box-shadow: var(--shadow); }
.hero-card h3 { font-size: 1rem; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.control { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--line); font-weight: 500; }
.control:last-of-type { border-bottom: 0; }
.control .dot { flex: 0 0 26px; height: 26px; border-radius: 50%; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); display: grid; place-items: center; font-size: .85rem; font-weight: 700; }
.hero-card .note { font-size: .85rem; color: var(--muted); margin: 14px 0 0; }

/* Sections */
section { padding: 72px 0; }
.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head p { color: var(--ink-soft); font-size: 1.08rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card p:last-child { margin-bottom: 0; }
.icon { width: 42px; height: 42px; border-radius: 10px; background: color-mix(in srgb, var(--brand-2) 14%, transparent); color: var(--brand-2); display: grid; place-items: center; margin-bottom: 14px; }
.icon svg { width: 22px; height: 22px; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 1050px) { .pricing { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .pricing { grid-template-columns: 1fr; } }
.plan { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); position: relative; }
.plan.featured { border: 2px solid var(--brand-2); }
.badge { position: absolute; top: -12px; left: 24px; background: var(--brand-2); color: #fff; font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: .03em; }
@media (prefers-color-scheme: dark) { .badge { color: #06121c; } }
.plan h3 { margin-bottom: 6px; }
.price { font-size: 1.9rem; font-weight: 700; margin: 6px 0 2px; }
.price small { font-size: .95rem; font-weight: 500; color: var(--muted); }
.plan .sub { color: var(--muted); font-size: .9rem; margin-bottom: 14px; }
.plan ul { padding-left: 0; list-style: none; margin: 0 0 20px; flex: 1; }
.plan li { padding: 6px 0 6px 26px; position: relative; font-size: .96rem; color: var(--ink-soft); }
.plan li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.plan .btn { text-align: center; }
.fine { color: var(--muted); font-size: .9rem; margin-top: 18px; }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0; list-style: none; margin: 0; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: var(--bg); font-weight: 700; margin-bottom: 12px; }
.steps strong { display: block; margin-bottom: 4px; }
.steps span { color: var(--ink-soft); font-size: .96rem; }

/* Checklist */
.checklist { columns: 2; column-gap: 32px; padding: 0; list-style: none; margin: 0; }
@media (max-width: 700px) { .checklist { columns: 1; } }
.checklist li { break-inside: avoid; padding: 8px 0 8px 30px; position: relative; color: var(--ink-soft); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 12px; width: 16px; height: 16px; border: 2px solid var(--brand-2); border-radius: 4px; }

/* FAQ */
details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 22px; margin-bottom: 12px; }
summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--brand-2); }
details[open] summary::after { content: "–"; }
details p { color: var(--ink-soft); padding-bottom: 6px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { form .row { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field { margin-bottom: 16px; }
input, select, textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; }
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-2) 25%, transparent); }
.hidden { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { color: var(--muted); font-size: .88rem; margin-top: 10px; }

/* Footer */
footer { padding: 36px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer a { color: var(--muted); }

/* Simple pages */
.page { padding: 64px 0 80px; }
.page .wrap { max-width: 760px; }
.page h2 { font-size: 1.35rem; margin-top: 2em; }
.page ul { padding-left: 1.2em; }
.page li { margin-bottom: .4em; }
.center { text-align: center; }
.mt { margin-top: 24px; }
.opt { font-weight: 400; color: var(--muted); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: #fff; }
@media (prefers-color-scheme: dark) { .nav a.btn-primary, .nav a.btn-primary:hover { color: #06121c; } }
/* Self-check */
.preview { columns: 2; column-gap: 32px; padding: 0; list-style: none; margin: 0; }
@media (max-width: 700px) { .preview { columns: 1; } }
.preview li { break-inside: avoid; padding: 8px 0 8px 28px; position: relative; color: var(--ink-soft); }
.preview li::before { content: "?"; position: absolute; left: 0; top: 9px; width: 18px; height: 18px; border-radius: 50%; background: color-mix(in srgb, var(--brand-2) 16%, transparent); color: var(--brand-2); font-size: .75rem; font-weight: 700; display: grid; place-items: center; }
.sc .wrap { max-width: 820px; }
.sc h1 { margin-top: 6px; }
.sc fieldset { margin: 0 0 18px; }
.sc legend { font-weight: 700; font-size: 1.1rem; padding: 0 6px; margin-left: -6px; }
.tick { display: flex; gap: 14px; align-items: flex-start; font-weight: 400; font-size: 1rem; padding: 12px 0; border-bottom: 1px dashed var(--line); cursor: pointer; margin: 0; }
.tick:last-of-type { border-bottom: 0; }
.tick input { width: 22px; height: 22px; flex: 0 0 22px; margin-top: 2px; accent-color: var(--brand-2); cursor: pointer; padding: 0; }
.tick span { color: var(--ink-soft); }
.tick input:checked + span { color: var(--ink); }
.sc .score, .sc form > .card:last-child { margin-top: 18px; }
.sc .score ul { padding-left: 1.2em; margin: 0; }
.sc .score li { margin-bottom: .4em; color: var(--ink-soft); }
.sc h2 { font-size: 1.3rem; }