:root {
  --blue: #0b74de;
  --blue-dark: #084f96;
  --ink: #112033;
  --muted: #64748b;
  --line: #e5eaf1;
  --bg: #f6f9fc;
  --card: #ffffff;
  --shadow: 0 18px 45px rgba(15, 35, 60, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; color: white; font-weight: 800; background: linear-gradient(135deg, var(--blue), #34a3ff); box-shadow: 0 10px 24px rgba(11,116,222,.25); }
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand small { color: var(--muted); margin-top: 3px; }
.nav-actions { display: flex; align-items: center; gap: 20px; font-weight: 650; color: #334155; }
.nav-actions a:hover { color: var(--blue); }
select { border: 1px solid var(--line); border-radius: 999px; padding: 9px 12px; background: white; color: var(--ink); font-weight: 700; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; min-height: 560px; padding: 70px 0 40px; gap: 50px; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
h1 { margin: 0; font-size: clamp(42px, 6vw, 72px); line-height: .98; letter-spacing: -0.05em; }
h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -0.035em; }
.hero-text { margin: 24px 0 0; max-width: 620px; color: var(--muted); font-size: 20px; line-height: 1.65; }
.hero-buttons { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); }
.button.primary { background: var(--blue); color: white; border-color: var(--blue); box-shadow: 0 12px 26px rgba(11,116,222,.25); }
.button.ghost { background: white; }
.hero-card { display: grid; place-items: center; }
.phone-mockup { width: min(320px, 80vw); aspect-ratio: 9 / 16; background: #fff; border: 10px solid #122033; border-radius: 42px; box-shadow: var(--shadow); padding: 40px 22px; position: relative; }
.phone-notch { position: absolute; top: 15px; left: 50%; transform: translateX(-50%); width: 88px; height: 20px; border-radius: 999px; background: #122033; }
.mock-card { height: 140px; border-radius: 26px; background: linear-gradient(135deg, var(--blue), #63c5ff); margin-bottom: 24px; }
.mock-line { height: 12px; width: 70%; border-radius: 999px; background: #d9e6f5; margin-bottom: 12px; }
.mock-line.wide { width: 100%; }
.mock-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px; }
.mock-grid span { aspect-ratio: 1; border-radius: 18px; background: #eff6ff; }
.apps-section { padding: 55px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: white; color: #334155; border-radius: 999px; padding: 10px 16px; font-weight: 800; cursor: pointer; }
.chip.active { background: var(--blue); color: white; border-color: var(--blue); }
.status { min-height: 24px; color: var(--muted); margin-bottom: 18px; }
.apps-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.app-card { background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 24px; box-shadow: 0 10px 28px rgba(15,35,60,.06); display: flex; flex-direction: column; gap: 18px; }
.app-top { display: flex; gap: 16px; align-items: center; }
.app-icon { width: 78px; height: 78px; border-radius: 22px; box-shadow: 0 8px 20px rgba(15,35,60,.14); object-fit: cover; flex: 0 0 auto; }
.app-title { margin: 0; font-size: 24px; letter-spacing: -.03em; }
.app-subtitle { margin: 5px 0 0; color: var(--muted); }
.badges { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.badge { display: inline-flex; border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 900; background: #eef6ff; color: var(--blue-dark); }
.badge.android { background: #eaf9ee; color: #177a39; }
.app-description { color: #475569; line-height: 1.65; margin: 0; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; margin: 0; padding: 16px; border-radius: 18px; background: #f8fbff; color: #334155; }
.meta dt { color: var(--muted); font-weight: 750; }
.meta dd { margin: 0; font-weight: 800; }
.screenshots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; overflow: hidden; }
.screenshots:empty { display: none; }
.screenshots img { width: 100%; height: 180px; object-fit: cover; object-position: top; border-radius: 16px; border: 1px solid var(--line); background: #f1f5f9; }
.app-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.store-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; background: #101828; color: white; font-weight: 800; }
.about { padding: 30px 0 80px; }
.about-card { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); color: white; border-radius: 30px; padding: clamp(28px, 5vw, 56px); box-shadow: var(--shadow); }
.about-card p { color: rgba(255,255,255,.86); font-size: 18px; line-height: 1.7; max-width: 760px; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0 46px; color: var(--muted); border-top: 1px solid var(--line); }
.footer a { color: var(--blue); font-weight: 800; }
@media (max-width: 820px) {
  .nav { height: auto; padding: 16px 0; align-items: flex-start; }
  .nav-actions { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 48px; }
  .hero-card { display: none; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .apps-grid { grid-template-columns: 1fr; }
  .screenshots img { height: 150px; }
}
@media (max-width: 520px) {
  .wrap { width: min(100% - 26px, 1120px); }
  .brand span:last-child { display: none; }
  .nav-actions a { display: none; }
  .app-top { align-items: flex-start; }
  .screenshots { grid-template-columns: 1fr 1fr; }
  .footer { flex-direction: column; }
}
.back-link { display: inline-flex; margin: 34px 0 28px; color: var(--blue); font-weight: 900; }
.app-detail { padding: 30px 0 80px; }
.detail-hero { display: grid; grid-template-columns: 150px 1fr; gap: 34px; align-items: start; background: white; border: 1px solid var(--line); border-radius: 32px; padding: clamp(24px, 5vw, 46px); box-shadow: var(--shadow); }
.detail-icon { width: 150px; height: 150px; border-radius: 34px; object-fit: cover; box-shadow: 0 16px 34px rgba(15,35,60,.18); }
.detail-actions { margin-top: 28px; }
.detail-meta { margin-top: 24px; }
.screens-title { margin-top: 44px; margin-bottom: 22px; }
.detail-shots { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.detail-shots img { height: 360px; }
.store-link.secondary { background: #eef6ff; color: var(--blue-dark); }
@media (max-width: 820px) { .detail-hero { grid-template-columns: 1fr; } .detail-icon { width: 112px; height: 112px; border-radius: 26px; } .detail-shots { grid-template-columns: repeat(2, 1fr); } .detail-shots img { height: 260px; } }