/* CamScanPDF website — one stylesheet, light + dark */
:root {
  --brand-50: #f0fdfa;
  --brand-100: #ccfbf1;
  --brand-200: #99f6e4;
  --brand-400: #2dd4bf;
  --brand-500: #14b8a6;
  --brand-600: #0d9488;
  --brand-700: #0f766e;
  --brand-800: #115e59;

  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --bg-soft: #f0fdfa;
  --text: #0f172a;
  --text-muted: #475569;
  --text-faint: #64748b;
  --border: #e2e8f0;
  --accent: var(--brand-700);
  --accent-hover: var(--brand-800);
  --accent-text: #ffffff;
  --link: var(--brand-700);
  --glow: rgba(20, 184, 166, 0.28);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, 0.35);

  --radius: 18px;
  --max: 1120px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-elev: #111a2c;
    --bg-soft: #0f1d2a;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-faint: #7c8ba1;
    --border: #1e293b;
    --accent: var(--brand-500);
    --accent-hover: var(--brand-400);
    --accent-text: #04201d;
    --link: var(--brand-400);
    --glow: rgba(20, 184, 166, 0.22);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--brand-500); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--bg-elev); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--border); }
.nav { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.brand:hover { color: var(--text); }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 6px; margin-left: auto; align-items: center; list-style: none; padding: 0; margin-top: 0; margin-bottom: 0; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; padding: 8px 12px; border-radius: 10px; }
.nav-links a:hover { color: var(--text); background: var(--bg-soft); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; color: var(--text); padding: 8px; cursor: pointer; border-radius: 10px; }
.nav-toggle svg { width: 26px; height: 26px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 1rem;
  padding: 13px 22px; border-radius: 999px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-text); box-shadow: 0 8px 24px -8px var(--glow); }
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-text); transform: translateY(-1px); }
.btn-ghost { background: var(--bg-elev); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--brand-500); }
.btn-sm { padding: 9px 16px; font-size: 0.92rem; }
.btn svg { width: 18px; height: 18px; }
.nav-links .btn { color: var(--accent-text); margin-left: 8px; padding: 9px 16px; }
.nav-links .btn:hover { color: var(--accent-text); background: var(--accent-hover); }

/* Hero */
.hero { position: relative; padding: 56px 0 72px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, var(--glow), transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600; color: var(--brand-700);
  background: var(--brand-50); border: 1px solid var(--brand-100);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--brand-200); background: rgba(20,184,166,.1); border-color: rgba(20,184,166,.25); } }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-500); box-shadow: 0 0 0 4px rgba(20,184,166,.2); }
.hero h1 .hl { background: linear-gradient(120deg, var(--brand-600), var(--brand-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.2rem; color: var(--text-muted); max-width: 34em; margin-bottom: 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-note { font-size: 0.9rem; color: var(--text-faint); margin-top: 16px; }

/* Phone mockup */
.phone {
  position: relative; width: 100%; max-width: 300px; aspect-ratio: 780 / 1688;
  border-radius: 44px; padding: 10px; background: #0b0f17;
  box-shadow: 0 0 0 1px rgba(255,255,255,.06) inset, 0 0 0 2px #1f2937, var(--shadow-lg);
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 35px; background: #000; }
.phone::after { content: ""; position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 30%; height: 22px; background: #0b0f17; border-radius: 999px; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual .phone { transform: rotate(3deg); }
.float-card {
  position: absolute; display: flex; align-items: center; gap: 10px;
  background: var(--bg-elev); color: var(--text); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 14px; box-shadow: var(--shadow);
  font-size: 0.88rem; font-weight: 600; white-space: nowrap;
}
.float-card .ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--brand-50); color: var(--brand-700); }
@media (prefers-color-scheme: dark) { .float-card .ic { background: rgba(20,184,166,.14); color: var(--brand-400); } }
.float-card .ic svg { width: 18px; height: 18px; }
.float-card small { display: block; font-weight: 500; color: var(--text-faint); font-size: 0.78rem; }
.fc-1 { top: 16%; left: 0; }
.fc-2 { bottom: 14%; right: 0; }

/* Trust strip */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-elev); }
.strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 40px; list-style: none; margin: 0; padding: 20px; }
.strip li { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-weight: 550; font-size: 0.95rem; }
.strip svg { width: 18px; height: 18px; color: var(--brand-500); flex: none; }

/* Sections */
section { padding: 96px 0; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; }
.kicker { display: block; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-600); margin-bottom: 12px; }
@media (prefers-color-scheme: dark) { .kicker { color: var(--brand-400); } }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.feature:hover { border-color: color-mix(in srgb, var(--brand-500) 50%, var(--border)); transform: translateY(-2px); box-shadow: var(--shadow); }
.feature .ic {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-400)); color: #fff;
  box-shadow: 0 8px 20px -8px var(--glow);
}
.feature .ic svg { width: 24px; height: 24px; }
.feature p { color: var(--text-muted); margin: 0; font-size: 0.98rem; }

/* How it works */
.how { background: var(--bg-soft); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: step; }
.step { text-align: center; }
.step .phone { margin: 0 auto 28px; max-width: 250px; }
.step-num {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: 0.95rem; margin-bottom: 12px;
}
.step p { color: var(--text-muted); max-width: 22em; margin: 0 auto; }

/* Free banner */
.free {
  position: relative; overflow: hidden; border-radius: 28px; padding: 56px;
  background: linear-gradient(135deg, var(--brand-800), var(--brand-700) 50%, var(--brand-600));
  color: #f0fdfa; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center;
}
.free::after { content: ""; position: absolute; right: -120px; top: -120px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(closest-side, rgba(153,246,228,.35), transparent); }
.free h2 { color: #fff; }
.free p { color: #ccfbf1; font-size: 1.08rem; }
.free .price { position: relative; z-index: 1; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; padding: 28px; }
.free .amount { font-size: 3.2rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; color: #fff; }
.free .amount span { font-size: 1rem; font-weight: 500; color: #99f6e4; letter-spacing: 0; }
.free ul { list-style: none; padding: 0; margin: 20px 0 24px; display: grid; gap: 10px; }
.free li { display: flex; gap: 10px; align-items: flex-start; color: #e6fffb; font-size: 0.97rem; }
.free li svg { width: 20px; height: 20px; color: #5eead4; flex: none; margin-top: 2px; }
.free .btn { background: #fff; color: var(--brand-800); width: 100%; }
.free .btn:hover { background: var(--brand-50); color: var(--brand-800); }

/* Install callout */
.install { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.platform h3 { display: flex; align-items: center; gap: 10px; }
.platform h3 svg { width: 22px; height: 22px; color: var(--brand-500); }
.platform ol { margin: 0; padding-left: 1.2em; color: var(--text-muted); font-size: 0.97rem; }
.platform li { margin-bottom: 6px; }
.center { text-align: center; margin-top: 36px; }

/* Final CTA */
.final { text-align: center; padding-bottom: 120px; }
.final .brand-mark { width: 72px; height: 72px; margin: 0 auto 24px; filter: drop-shadow(0 12px 24px var(--glow)); }
.final p { color: var(--text-muted); font-size: 1.15rem; max-width: 32em; margin: 0 auto 28px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-faint); font-size: 0.92rem; }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer-row nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-row a { color: var(--text-muted); text-decoration: none; }
.footer-row a:hover { color: var(--text); }
.footer-row .brand { font-size: 1rem; }
.footer-row .brand img { width: 26px; height: 26px; }

/* Prose pages (FAQ, privacy, terms) */
.page-hero { padding: 64px 0 24px; }
.page-hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 40em; }
.prose { max-width: 760px; padding-bottom: 96px; }
.prose h2 { font-size: 1.5rem; margin-top: 2.2em; }
.prose h3 { margin-top: 1.6em; }
.prose p, .prose li { color: var(--text-muted); }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: 0.4em; }
.updated { font-size: 0.9rem; color: var(--text-faint); }
.callout { background: var(--bg-soft); border: 1px solid var(--border); border-left: 4px solid var(--brand-500); border-radius: 12px; padding: 18px 20px; margin: 24px 0; }
.callout p:last-child { margin: 0; }

/* FAQ accordion */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 0 22px; }
.faq details[open] { border-color: color-mix(in srgb, var(--brand-500) 45%, var(--border)); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; align-items: center; color: var(--text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--brand-500); transition: transform .2s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding-bottom: 18px; }
.faq details p, .faq details li { color: var(--text-muted); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .feature { transition: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .lede { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .hero-visual { margin-top: 12px; }
  .fc-1 { left: 4%; }
  .fc-2 { right: 4%; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .free { grid-template-columns: 1fr; padding: 40px 28px; }
  .install { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  section { padding: 72px 0; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px 18px;
    background: var(--bg-elev); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-links .btn { margin: 8px 0 0; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 64px; }
  .float-card { display: none; }
  .hero { padding-top: 36px; }
  .hero-visual .phone { max-width: 250px; }
  .wrap { padding: 0 16px; }
}