:root {
  color-scheme: light;
  --bg: #ffffff;
  --band: #f5f6f9;
  --surface: #ffffff;
  --surface-raised: rgba(255, 255, 255, 0.88);
  --text: #050506;
  --muted: #70727b;
  --faint: #a3a5ad;
  --line: #dfe1e7;
  --blue: #0a84ff;
  --green: #34c759;
  --teal: #10c7be;
  --indigo: #5e5ce6;
  --purple: #c22fe0;
  --orange: #ff8a1f;
  --shadow: 0 18px 45px rgba(31, 34, 44, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  line-height: 1.45;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--blue);
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header,
.site-footer {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.main-content {
  flex: 1;
}

.hero {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 34px 0 0;
  text-align: center;
}

.hero-icon {
  width: clamp(74px, 9vw, 106px);
  height: clamp(74px, 9vw, 106px);
  margin: 0 auto 16px;
  border-radius: 24px;
  box-shadow: 0 20px 55px rgba(10, 132, 255, 0.2);
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 8.2vw, 98px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  width: min(600px, 100%);
  margin: 18px auto 0;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 23px);
}

.store-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin: 22px 0 26px;
}

.app-store-badge img {
  width: 160px;
  height: auto;
}

.availability-note {
  color: var(--faint);
  font-size: 14px;
}

.phone-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 34px);
  align-items: end;
  margin: 0 auto;
  width: min(820px, 100%);
}

.phone {
  position: relative;
  aspect-ratio: 1350 / 2760;
}

.phone-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

.feature-band {
  margin-top: -350px;
  background: linear-gradient(180deg, rgba(245, 246, 249, 0) 0%, var(--band) 18%, var(--band) 100%);
  padding: 402px 0 64px;
}

.feature-row {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 28px 30px;
  background: var(--band);
  text-align: left;
}

.feature + .feature {
  border-left: 1px solid var(--line);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: #ffffff;
}

.feature-icon svg {
  width: 25px;
  height: 25px;
  stroke-width: 2.5;
}

.feature-icon.blue {
  background: var(--blue);
}

.feature-icon.green {
  background: var(--green);
}

.feature-icon.teal {
  background: var(--teal);
}

.feature h2,
.feature h3 {
  margin: 0 0 6px;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.details-section {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 66px 0 72px;
  text-align: center;
}

.details-section h2 {
  margin: 0 auto 14px;
  max-width: 760px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: 0;
}

.details-section > p {
  width: min(660px, 100%);
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 18px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  text-align: left;
}

.detail h3 {
  margin: 12px 0 6px;
  font-size: 17px;
  letter-spacing: 0;
}

.detail p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.dot-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #ffffff;
}

.dot-icon svg {
  width: 19px;
  height: 19px;
  stroke-width: 2.4;
}

.dot-icon.blue {
  background: var(--blue);
}

.dot-icon.green {
  background: var(--green);
}

.dot-icon.purple {
  background: var(--purple);
}

.dot-icon.orange {
  background: var(--orange);
}

.content-page {
  width: min(780px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 72px 0 86px;
}

.content-page h1 {
  margin: 0 0 16px;
  font-size: clamp(44px, 7vw, 72px);
  line-height: 1;
  letter-spacing: 0;
}

.content-lede {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 20px;
}

.contact-panel,
.policy-list,
.support-list {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 0;
}

.mail-icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--blue);
}

.mail-icon svg {
  width: 25px;
  height: 25px;
}

.contact-panel a {
  color: var(--blue);
  font-size: 22px;
  font-weight: 700;
}

.support-list,
.policy-list {
  margin-top: 34px;
}

.support-list h2,
.policy-list h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

.support-item,
.policy-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 0;
}

.support-item + .support-item,
.policy-item + .policy-item {
  border-top: 1px solid var(--line);
}

.item-symbol {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--band);
  color: var(--blue);
}

.item-symbol svg {
  width: 21px;
  height: 21px;
}

.support-item p,
.policy-item p {
  margin: 5px 0 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-weight: 600;
}

.apple-note {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto 24px;
  color: var(--faint);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 18px;
  }

  .hero {
    padding-top: 38px;
  }

  .store-actions {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
  }

  .phone-strip {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    overflow-x: auto;
    padding: 8px 12px 24px;
    width: calc(100vw - 20px);
    margin-left: calc((100vw - min(1120px, calc(100vw - 40px))) / -2);
    scroll-snap-type: x mandatory;
  }

  .phone {
    scroll-snap-align: center;
  }

  .feature-band {
    margin-top: 0;
    padding-top: 48px;
  }

  .feature-row,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .feature + .feature {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .feature {
    padding: 24px 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header,
  .site-footer,
  .hero,
  .feature-row,
  .details-section,
  .content-page,
  .apple-note {
    width: min(100vw - 28px, 1120px);
  }

  .site-nav {
    justify-content: space-between;
    gap: clamp(10px, 3.8vw, 16px);
    flex-wrap: nowrap;
    white-space: nowrap;
    font-size: clamp(15px, 4.7vw, 18px);
  }

  .brand {
    display: none;
  }

  .hero h1 {
    font-size: clamp(54px, 18vw, 86px);
  }

  .hero-copy,
  .content-lede {
    font-size: 18px;
  }

  .phone-strip {
    grid-template-columns: 1fr;
    gap: 30px;
    overflow-x: visible;
    width: min(270px, 74vw);
    margin: 22px auto 0;
    padding: 0 0 34px;
    scroll-snap-type: none;
  }

  .contact-panel,
  .support-item,
  .policy-item {
    align-items: start;
  }
}