/* Ultra Cleaner — ultracleanerapp.com */
:root {
  --brand: #2733e1;
  --brand-dark: #1a23b8;
  --brand-deep: #131a8f;
  --ink: #101223;
  --muted: #5a5e78;
  --bg: #ffffff;
  --bg-soft: #f4f5fb;
  --card: #ffffff;
  --line: #e4e6f2;
  --radius: 18px;
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; height: 64px; }
.nav .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: var(--ink); text-decoration: none; }
.nav .logo img { width: 34px; height: 34px; border-radius: 8px; }
.nav .links { margin-left: auto; display: flex; gap: 20px; align-items: center; }
.nav .links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav .links a:hover { color: var(--ink); }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: var(--brand); color: #fff !important; font-weight: 700; font-size: 15px;
  text-decoration: none; border: 0; transition: transform .12s ease, box-shadow .12s ease;
  box-shadow: 0 6px 18px rgba(39,51,225,.28);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(39,51,225,.34); }
.btn.ghost { background: rgba(255,255,255,.14); box-shadow: none; border: 1px solid rgba(255,255,255,.4); }
.btn.small { padding: 9px 16px; font-size: 14px; }

/* Hero */
.hero {
  background: linear-gradient(160deg, #2f3cf0 0%, var(--brand) 45%, var(--brand-deep) 100%);
  color: #fff; padding: 72px 0 0; overflow: hidden;
}
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.12; margin: 0 0 16px; letter-spacing: -.02em; }
.hero p.lead { font-size: 19px; opacity: .92; margin: 0 0 26px; max-width: 34em; }
.hero .cta-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.hero .fineprint { font-size: 13px; opacity: .75; padding-bottom: 34px; }
.hero .phone { margin: 0 auto -40px; max-width: 320px; display: block; filter: drop-shadow(0 24px 48px rgba(0,0,0,.35)); border-radius: 28px; }
.badge-appstore { display: inline-flex; align-items: center; gap: 10px; background: #000; border-radius: 12px; padding: 10px 18px; color: #fff; text-decoration: none; font-weight: 600; line-height: 1.15; }
.badge-appstore small { display: block; font-size: 11px; font-weight: 400; opacity: .8; }

/* Sections */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.kicker { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 8px; }
h2.section-title { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 10px; letter-spacing: -.02em; }
p.section-sub { color: var(--muted); max-width: 46em; margin: 0 0 36px; font-size: 17px; }

/* Feature grid */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: 0 14px 34px rgba(16,18,35,.08); transform: translateY(-2px); }
.card .emoji { font-size: 30px; line-height: 1; margin-bottom: 12px; display: block; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card a.more { display: inline-block; margin-top: 12px; font-weight: 600; font-size: 14px; text-decoration: none; }

/* Screenshots strip */
.shots { display: grid; grid-auto-flow: column; grid-auto-columns: 240px; gap: 18px; overflow-x: auto; padding: 8px 4px 22px; scroll-snap-type: x mandatory; }
.shots img { border-radius: 22px; scroll-snap-align: start; border: 1px solid var(--line); box-shadow: 0 10px 26px rgba(16,18,35,.10); }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; padding: 26px 26px 26px 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff;
  font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* FAQ */
.faq details {
  border: 1px solid var(--line); border-radius: 14px; padding: 6px 20px; margin-bottom: 12px; background: var(--card);
}
.faq summary { cursor: pointer; font-weight: 650; font-size: 16.5px; padding: 12px 0; list-style: none; position: relative; padding-right: 30px; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 10px; font-size: 22px; color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(150deg, var(--brand) 0%, var(--brand-deep) 100%); color: #fff; text-align: center; border-radius: 26px; padding: 56px 30px; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 12px; }
.cta-band p { opacity: .9; margin: 0 0 26px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0 60px; color: var(--muted); font-size: 14px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; margin-bottom: 24px; }
.site-footer h4 { color: var(--ink); font-size: 14px; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

/* Guide pages */
.article { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
.article .breadcrumbs { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.article .breadcrumbs a { color: var(--muted); text-decoration: none; }
.article h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 14px; }
.article .intro { font-size: 18.5px; color: #333850; }
.article h2 { font-size: 24px; margin-top: 42px; letter-spacing: -.01em; }
.article h3 { font-size: 19px; margin-top: 28px; }
.article ol li, .article ul li { margin-bottom: 8px; }
.article .shot { max-width: 300px; border-radius: 20px; border: 1px solid var(--line); box-shadow: 0 10px 26px rgba(16,18,35,.10); display: block; margin: 26px auto; }
.article .tip { background: var(--bg-soft); border-left: 4px solid var(--brand); border-radius: 10px; padding: 14px 18px; margin: 22px 0; font-size: 15.5px; }
.article .quick-answer { background: #eef2ff; border: 1px solid #d7defc; border-radius: 12px; padding: 16px 20px; margin: 22px 0 6px; font-size: 16px; line-height: 1.55; }
.article .quick-answer strong { color: var(--brand-dark); }
.article .last-updated { color: var(--muted); font-size: 13.5px; margin: 6px 0 0; }
.article .cta-inline { text-align: center; margin: 40px 0; }
.related { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 26px; }
.related h2 { font-size: 19px; margin: 0 0 14px; }
.related ul { padding-left: 20px; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero .cta-row { justify-content: center; }
  .hero .phone { margin-top: 10px; }
  .grid.cols-3, .steps { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .nav .links a:not(.btn) { display: none; }
}