/* Cheky Landing Page v3 – improved responsive header + stronger cards */
:root{
  --bg:#ffffff;
  --ink:#0b0f14;
  --muted:#566171;
  --line:#e6edf5;
  --soft:#f6f8fc;
  --soft2:#eef3f9;
  --brand:#0b0f14;
  --radius:18px;
  --shadow: 0 10px 30px rgba(12,18,28,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
.header{position:sticky;top:0;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100}
.header__inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;min-width:180px}
.brand__mark{width:32px;height:32px;border-radius:12px}
.brand__name{font-weight:900;letter-spacing:.2px}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap}
.nav a{color:var(--muted);font-weight:650}
.nav a:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:14px;font-weight:800;border:1px solid transparent;transition:transform .05s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 18px rgba(0,0,0,.12)}
.btn--secondary{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--full{width:100%}
.btn--primary:hover,.btn--secondary:hover,.btn--ghost:hover{text-decoration:none}
.icon-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px;cursor:pointer}
.icon-btn__bar{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* Overlay + mobile */
.overlay{position:fixed;inset:0;background:rgba(11,15,20,.45);z-index:120}
.mobile{position:fixed;top:0;right:0;width:min(360px,92vw);height:100vh;background:#fff;border-left:1px solid var(--line);box-shadow:var(--shadow);z-index:130;padding:16px}
.mobile__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mobile__brand{display:flex;align-items:center;gap:10px}
.mobile__mark{width:26px;height:26px}
.mobile__name{font-weight:900}
.mobile__close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;font-size:18px;cursor:pointer}
.mobile__nav{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.m-link{padding:12px 12px;border-radius:12px;border:1px solid var(--line);color:var(--muted);font-weight:750}
.m-link:hover{color:var(--ink);text-decoration:none;border-color:#d6e0ee}
.mobile__note{margin-top:14px;font-size:13px;color:var(--muted);background:var(--soft);border:1px solid var(--line);padding:12px;border-radius:14px}

/* Hero */
.hero{background:radial-gradient(900px 520px at 20% 10%, var(--soft) 0%, #fff 62%);border-bottom:1px solid var(--line);padding:64px 0 38px}
.hero__grid{display:grid;grid-template-columns:1.25fr .95fr;gap:28px;align-items:center}
.pill{display:inline-flex;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;color:var(--muted);font-weight:700;font-size:13px}
.hero h1{margin:14px 0 10px;font-size:46px;line-height:1.08;letter-spacing:-0.03em}
.lead{margin:0 0 18px;color:var(--muted);font-size:16px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.highlight{border:1px solid #dfe7f3;background:#fff;border-radius:16px;padding:12px 12px;box-shadow:0 6px 18px rgba(12,18,28,.05)}
.highlight__title{font-weight:900;font-size:13px}
.highlight__text{color:var(--muted);font-size:12px;margin-top:2px}
.hero__card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.hero__cardFooter{padding:16px 16px 18px;border-top:1px solid var(--line)}
.hero__cardTitle{font-weight:900}
.hero__cardSub{color:var(--muted);font-size:13px;margin-top:2px}

/* Sections */
.section{padding:56px 0}
.section--alt{background:var(--soft)}
.section__head h2{margin:0;font-size:30px;letter-spacing:-0.01em}
.section__head p{margin:8px 0 0;color:var(--muted)}
.pricing{margin-top:18px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.plan{position:relative;border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:18px;box-shadow:0 8px 24px rgba(12,18,28,.06);display:flex;flex-direction:column}
.plan--featured{border-color:#d6dbe3;box-shadow:0 14px 36px rgba(12,18,28,.10)}
.badge{position:absolute;top:14px;right:14px;background:var(--brand);color:#fff;font-size:12px;padding:6px 10px;border-radius:999px}
.plan__desc{margin:6px 0 10px;color:var(--muted);font-size:13px}
.price{display:flex;align-items:flex-end;gap:6px;margin:6px 0 8px}
.price__amt{font-size:34px;font-weight:950;letter-spacing:-0.02em}
.price__per{color:var(--muted);font-weight:800}
.plan__disclosure{color:var(--muted);font-size:12px;margin:8px 0 0}
.list{margin:14px 0 18px;padding-left:18px}
.list li{margin:8px 0;font-size:13px}
.plan .btn{margin-top:auto}
.fineprint{margin-top:18px;border:1px dashed #d7dfeb;border-radius:16px;padding:14px 16px;background:#fff;color:var(--muted);font-size:13px}

.steps{margin-top:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.step{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:16px;box-shadow:0 8px 24px rgba(12,18,28,.06)}
.step__num{width:34px;height:34px;border-radius:12px;background:var(--soft2);display:flex;align-items:center;justify-content:center;font-weight:950}
.step h3{margin:10px 0 6px}
.step p{margin:0;color:var(--muted);font-size:13px}
.callout{margin-top:16px;border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:#fff}
.faq{margin-top:16px}
.faq details{border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:900}
.faq p{margin:10px 0 0;color:var(--muted);font-size:13px}
.contact{margin-top:16px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:16px;box-shadow:0 8px 24px rgba(12,18,28,.06)}
.contact__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.label{color:var(--muted);font-size:12px}
.value{font-weight:850;margin-top:4px}
.legal{margin-top:12px;display:flex;gap:14px;flex-wrap:wrap}
.muted{color:var(--muted)}

/* Legal page */
.legal-page{padding:46px 0}
.paper{border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:0 8px 24px rgba(12,18,28,.06);padding:22px}
.paper h1{margin:0 0 6px;font-size:32px;letter-spacing:-0.02em}
.paper .meta{color:var(--muted);font-size:13px;margin-bottom:18px}
.paper h2{margin:18px 0 8px;font-size:18px}
.paper p,.paper li{color:#1b2430;font-size:14px}
.paper ul{margin:10px 0 0;padding-left:18px}
.paper a{text-decoration:underline}

/* Footer */
.footer{border-top:1px solid var(--line);padding:18px 0;background:#fff}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer__left{display:flex;align-items:center;gap:10px}
.footer__mark{width:24px;height:24px}
.footer__brand{font-weight:950}
.footer__note{color:var(--muted);font-size:13px}
.footer__right{color:var(--muted);font-size:13px}

/* Responsive */
@media (max-width: 980px){
  .nav{display:none}
  .icon-btn{display:inline-flex}
  .hero__grid{grid-template-columns:1fr}
  .pricing{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}
  .highlights{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .hero h1{font-size:34px}
  .pricing{grid-template-columns:1fr}
}