:root {
  --sky: #7fd3fb;
  --sky-deep: #3fa9e6;
  --ink: #0f1d2b;
  --ink-soft: #3b4b5c;
  --card: #ffffff;
  --line: rgba(15, 29, 43, 0.1);
  --accent: #0a6fb8;
  --radius: 22px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html {
  background: linear-gradient(180deg, var(--sky) 0%, #c9ecfd 45%, #eef8ff 100%);
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  color: var(--ink);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); }

a:focus-visible, .badge:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--ink);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 10;
}
.skip-link:focus { left: 8px; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header { padding-top: 18px; padding-bottom: 18px; }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.brand {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
}
.brand svg { width: 34px; height: 34px; }
.site-nav { display: flex; gap: 18px; font-size: 0.95rem; }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 500; white-space: nowrap; }
.site-nav a:hover { text-decoration: underline; }

/* Hero */
.hero { padding-top: 40px; padding-bottom: 28px; text-align: center; }
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.hero p.lead {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}

/* App cards */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding-top: 24px;
  padding-bottom: 56px;
}
.app-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 60, 100, 0.12);
  display: flex;
  flex-direction: column;
}
.app-card header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.app-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  flex: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}
.app-card h2 { margin: 0; font-size: 1.45rem; line-height: 1.2; }
.app-card .tagline { margin: 4px 0 0; color: var(--ink-soft); font-size: 0.98rem; }
.app-card p { margin: 0 0 12px; }
.features {
  list-style: none;
  padding: 0;
  margin: 4px 0 22px;
}
.features li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
}
.features li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.45em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sky-deep);
  box-shadow: inset 0 0 0 4px #d6effc;
}
.card-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.more-link { font-weight: 600; }

/* App Store badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  padding: 7px 16px 7px 12px;
  border: 1px solid #a6a6a6;
  min-height: 48px;
}
.badge svg { width: 26px; height: 26px; fill: #fff; flex: none; }
.badge span { display: flex; flex-direction: column; line-height: 1.1; }
.badge small { font-size: 0.72rem; letter-spacing: 0.01em; }
.badge strong { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; }
.badge:hover { background: #1c1c1e; }

/* App detail page */
.detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 56px;
}
@media (min-width: 820px) {
  .detail { grid-template-columns: 1.1fr 0.9fr; }
}
.detail > * { min-width: 0; }
.detail .app-icon { width: 96px; height: 96px; border-radius: 22px; margin-bottom: 18px; }
.detail h1 {
  font-size: clamp(2rem, 5.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.detail .lead { font-size: 1.15rem; color: var(--ink-soft); margin: 0 0 20px; }
.detail h2 { font-size: 1.2rem; margin: 26px 0 10px; }
.preview {
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(15, 60, 100, 0.2);
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.panel {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 60, 100, 0.12);
}

/* Prose pages (privacy) */
.prose { max-width: 760px; margin: 24px auto 56px; }
.prose h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1.15; margin: 0 0 6px; }
.prose h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.prose h3 { font-size: 1.02rem; margin: 20px 0 6px; }
.prose .updated { color: var(--ink-soft); margin: 0 0 18px; }

/* Footer */
.site-footer {
  padding: 28px 0 40px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.site-footer a { color: var(--ink-soft); }

@media (max-width: 480px) {
  .app-card, .panel { padding: 22px; }
  .site-nav { gap: 12px; font-size: 0.9rem; }
  .brand span { font-size: 1rem; }
  .brand svg, .brand img { width: 30px; height: 30px; }
}

@media (prefers-reduced-motion: no-preference) {
  .app-card { transition: transform 0.2s ease, box-shadow 0.2s ease; }
  .app-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(15, 60, 100, 0.16); }
}