:root {
  --accent: #0071e3;
  --accent-deep: #0058b0;
  --paper: #f5f5f7;
  --paper-deep: #e8e8ed;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(29, 29, 31, .14);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans SC Variable", sans-serif;
}

.app-hero {
  overflow: hidden;
  padding: 96px 0 86px;
  background:
    radial-gradient(circle at 78% 20%, rgba(0, 113, 227, .16), transparent 34%),
    linear-gradient(180deg, #fff 0%, #f5f5f7 100%);
}

.app-hero-inner,
.app-section-inner {
  width: min(1080px, calc(100vw - 80px));
  margin: 0 auto;
}

.app-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: center;
  gap: 80px;
}

.app-eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
}

.app-hero h1 {
  max-width: none;
  margin: 0;
  font-size: clamp(52px, 7vw, 84px);
  line-height: 1;
  letter-spacing: -.065em;
}

.app-summary {
  max-width: 720px;
  margin: 26px 0 0;
  color: #424245;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.6;
  letter-spacing: -.018em;
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.app-store-button,
.quiet-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 650;
  transition: transform 100ms ease-out, background-color .16s ease, color .16s ease;
}

.app-store-button {
  color: #fff;
  background: var(--accent);
}

.app-store-button:hover { background: #0077ed; }
.app-store-button:active,
.quiet-button:active { transform: scale(.97); }

.quiet-button {
  color: var(--accent);
  background: rgba(0, 113, 227, .08);
}

.quiet-button:hover { background: rgba(0, 113, 227, .13); }

.app-art {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 76px;
  color: #fff;
  background: linear-gradient(145deg, #58b8ff 0%, #0878e8 44%, #004ea8 100%);
  box-shadow:
    0 44px 70px rgba(0, 72, 153, .22),
    inset 0 1px 0 rgba(255, 255, 255, .7);
}

.app-art::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 67px;
}

.app-art-official {
  overflow: hidden;
  background: #fff;
}

.app-art-official::after { display: none; }

.app-art-official img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-art span {
  position: relative;
  z-index: 1;
  font-size: 142px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: -.1em;
  text-shadow: 0 12px 28px rgba(0, 48, 102, .22);
}

.app-art-kver {
  background: linear-gradient(145deg, #66dfcf 0%, #13a8a4 44%, #057078 100%);
  box-shadow:
    0 44px 70px rgba(0, 105, 107, .2),
    inset 0 1px 0 rgba(255, 255, 255, .7);
}

.app-section {
  padding: 92px 0;
  border-top: 1px solid var(--line);
}

.app-section-white { background: #fff; }

.app-section-head {
  max-width: 760px;
  margin-bottom: 42px;
}

.app-section-index {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.app-section h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -.05em;
}

.app-section-lead {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.app-facts {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.app-facts > div {
  min-width: 0;
  padding: 25px 18px 25px 0;
  border-bottom: 1px solid var(--line);
}

.app-facts dt {
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 12px;
}

.app-facts dd {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.35;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 250px;
  padding: 30px;
  border-radius: 26px;
  background: #f5f5f7;
}

.feature-card span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.feature-card h3 {
  margin: 66px 0 12px;
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -.03em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.app-source {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 36px;
  border-radius: 28px;
  color: #f5f5f7;
  background: #1d1d1f;
}

.app-source h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.app-source p {
  max-width: 720px;
  margin: 14px 0 0;
  color: #a1a1a6;
  font-size: 14px;
  line-height: 1.8;
}

.app-source .app-store-button { flex: 0 0 auto; }

.app-related {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.app-related a {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  border-radius: 24px;
  background: #fff;
  transition: transform 120ms ease-out, box-shadow .2s ease;
}

.app-related a:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .07);
}

.app-related a:active { transform: scale(.985); }
.app-related span { color: var(--muted); font-size: 12px; }
.app-related strong { color: var(--accent); font-size: 20px; }

.app-foot {
  padding: 36px max(24px, calc((100vw - 1080px) / 2));
  color: #86868b;
  background: #161618;
  font-size: 12px;
  line-height: 1.8;
}

.app-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 12px;
  color: #d2d2d7;
}

.app-foot a:hover { color: #fff; }

@media (max-width: 900px) {
  .app-hero-grid { grid-template-columns: 1fr 250px; gap: 46px; }
  .app-art { border-radius: 58px; }
  .app-art::after { border-radius: 50px; }
  .app-art span { font-size: 108px; }
  .app-facts { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 680px) {
  .app-hero { padding: 72px 0 64px; }
  .app-hero-inner,
  .app-section-inner { width: calc(100vw - 40px); }
  .app-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .app-art {
    width: min(240px, 70vw);
    justify-self: center;
    border-radius: 52px;
    order: -1;
  }
  .app-art::after { border-radius: 45px; }
  .app-art span { font-size: 102px; }
  .app-hero h1 { font-size: clamp(48px, 15vw, 66px); }
  .app-summary { font-size: 18px; }
  .app-actions { align-items: stretch; flex-direction: column; }
  .app-store-button,
  .quiet-button { width: 100%; }
  .app-section { padding: 70px 0; }
  .app-facts,
  .feature-grid,
  .app-related { grid-template-columns: 1fr; }
  .app-facts > div { padding-right: 0; }
  .feature-card { min-height: 210px; }
  .feature-card h3 { margin-top: 48px; }
  .app-source { grid-template-columns: 1fr; padding: 28px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .app-store-button,
  .quiet-button,
  .app-related a { transition-duration: .01ms !important; }
}