/* PDF to MB — landing styles. Lightweight, no frameworks. */
:root {
  --blue: #0b6bcb;
  --blue-d: #084e96;
  --ink: #0f172a;
  --muted: #5b6878;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f4f8fd;
  --gold: #f4d67a;
  --radius: 16px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; height: auto; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.2; color: var(--ink); }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { color: var(--muted); }

/* header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 0.97rem; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.lang-select { font: inherit; font-size: 0.9rem; padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); cursor: pointer; }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1rem; padding: 13px 22px; border-radius: 12px; border: 1.5px solid transparent; cursor: pointer; transition: transform .05s ease, background .15s ease; }
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-d); color: #fff; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--line); }
.cta-soon { margin-top: 12px; color: #cfe0fb; font-size: 0.9rem; font-weight: 600; }

/* store badges */
.store-badge { display: inline-block; line-height: 0; }
.store-badge img { height: 58px; width: auto; display: block; }
.store-badge.soon { opacity: 0.5; cursor: default; }
.ios-soon-cap { font-size: 0.85rem; color: var(--muted); margin-top: 8px; }
.how-link { display: inline-block; margin-top: 12px; color: var(--blue); font-weight: 700; }
.how-link:hover { text-decoration: underline; }
.cta-band .store-badge { margin-top: 6px; }

/* size-page link chips */
.size-links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.size-links a {
  display: inline-block; padding: 10px 16px; border: 1.5px solid var(--line); border-radius: 999px;
  font-weight: 700; font-size: 0.95rem; color: var(--blue); background: #fff;
}
.size-links a:hover { border-color: var(--blue); text-decoration: none; background: #eaf3fd; }

/* privacy strength band */
.privacy-band { background: #eaf7ef; border-top: 1px solid #cfe9d8; border-bottom: 1px solid #cfe9d8; }
.privacy-inner { display: flex; align-items: center; gap: 20px; padding: 26px 0; }
.privacy-inner .lock { font-size: 44px; line-height: 1; }
.privacy-inner h2 { font-size: 1.35rem; margin: 0; color: #0f5132; }
.privacy-inner p { margin: 5px 0 0; color: #2f6f4e; font-size: 1.02rem; }

/* hero */
.hero { padding: 64px 0 40px; background: linear-gradient(180deg, var(--bg-soft), #fff); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.2rem; margin: 18px 0 26px; color: #41506a; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.badge { font-size: 0.85rem; font-weight: 600; color: var(--blue-d); background: #e7f1fc; border-radius: 999px; padding: 6px 13px; }
.hero-art { display: flex; justify-content: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 30px; } .hero-art { order: -1; } }

/* sections */
section { padding: 56px 0; }
.section-head { max-width: 660px; margin: 0 auto 36px; text-align: center; }
.section-head p { margin-top: 10px; }

/* features */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card .ico { width: 42px; height: 42px; border-radius: 11px; background: #e7f1fc; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; font-size: 0.97rem; }
@media (max-width: 720px) { .cards { grid-template-columns: 1fr; } }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { background: var(--bg-soft); border-radius: var(--radius); padding: 24px; }
.step .num { width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.step h3 { margin: 0 0 6px; }
.step p { margin: 0; font-size: 0.96rem; }
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }

/* explainer */
.explainer { background: var(--bg-soft); }
.explainer .wrap { max-width: 760px; }
.explainer p { color: #41506a; font-size: 1.05rem; }

/* faq */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-item summary { cursor: pointer; font-weight: 700; padding: 18px 20px; list-style: none; display: flex; justify-content: space-between; gap: 12px; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--blue); font-weight: 800; font-size: 1.3rem; line-height: 1; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item .ans { padding: 0 20px 18px; color: var(--muted); }
.faq-item .ans p { margin: 0; }

/* cta band */
.cta-band { background: linear-gradient(135deg, var(--blue), var(--blue-d)); border-radius: 22px; padding: 48px 28px; text-align: center; color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #d8e8fb; margin: 10px 0 22px; }
.cta-band .btn-primary { background: #fff; color: var(--blue-d); }
.cta-band .btn-primary:hover { background: #f1f5f9; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0; margin-top: 20px; }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.foot .copy { color: var(--muted); font-size: 0.92rem; }
.foot .foot-links { display: flex; gap: 18px; font-size: 0.92rem; }
.foot .foot-links a { color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }