:root {
  color-scheme: light;
  --page: #fcf7ed;
  --ink: #0d1f33;
  --berry: #940f4a;
  --line: #b58e6a;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--page);
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .22em; }
a:focus-visible { outline: 3px solid var(--berry); outline-offset: 6px; }
.page { width: min(100% - 160px, 1310px); margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 12px; background: var(--ink); color: white; transform: translateY(-180%); z-index: 1; }
.skip-link:focus { transform: none; }
.header { display: flex; align-items: center; justify-content: space-between; padding-block: 26px; }
.brand { display: inline-flex; align-items: center; gap: 18px; text-decoration: none; }
.brand img { border-radius: 14px; }
.brand span { font: bold 48px/1 Georgia, "Times New Roman", serif; letter-spacing: -2px; }
.contact { padding-block: 12px; font-size: 20px; text-decoration: none; }
.contact:hover, .footer a:hover { color: var(--berry); text-decoration: underline; }
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: center; gap: 80px; padding-block: 98px 76px; }
h1, h2, p { margin: 0; }
h1 { font: bold clamp(48px, 5.85vw, 88px)/1.05 Georgia, "Times New Roman", serif; letter-spacing: -.055em; }
h1 span { color: var(--berry); }
.introduction { max-width: 690px; margin-top: 36px; font-size: 28px; line-height: 1.45; letter-spacing: -.025em; }
.platforms { display: flex; align-items: stretch; gap: 20px; margin-top: 36px; }
.platform { display: flex; align-items: center; gap: 20px; flex: 1; padding: 18px 22px; border: 1.5px solid var(--ink); border-radius: 13px; }
.platform-apple { color: white; background: var(--ink); }
.platform svg { width: 40px; height: 40px; flex: 0 0 40px; }
.platform-apple svg { fill: currentColor; }
.platform-name { display: block; font-size: 18px; line-height: 1.4; }
.platform strong { display: block; font-size: 20px; line-height: 1.4; white-space: nowrap; }
.hero-art { display: block; width: 100%; height: auto; border-radius: 23%; box-shadow: 0 25px 45px -28px #674e3038; }
.features { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 48px; padding-block: 62px; border-block: 1px solid var(--line); }
h2 { font: bold 38px/1.15 Georgia, "Times New Roman", serif; letter-spacing: -.045em; }
.features p { margin-top: 12px; font-size: 22px; line-height: 1.5; letter-spacing: -.02em; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 26px 32px; font-size: 17px; line-height: 1.5; }
.footer a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }

@media (max-width: 1200px) {
  .page { width: calc(100% - 96px); }
  .hero { gap: 48px; padding-block: 70px; }
  .introduction { font-size: 23px; }
  .platforms { gap: 12px; }
  .platform { padding: 16px; gap: 12px; }
  .platform svg { width: 30px; height: 30px; flex-basis: 30px; }
  .platform-name { font-size: 15px; }
  .platform strong { font-size: 16px; }
  h2 { font-size: 30px; }
  .features { gap: 32px; padding-block: 44px; }
  .features p { font-size: 18px; }
}

@media (max-width: 900px) {
  .page { width: calc(100% - 64px); }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, .72fr); gap: 32px; padding-block: 56px; }
  h1 { font-size: clamp(40px, 6.6vw, 60px); }
  .introduction { font-size: 20px; margin-top: 24px; }
  .platforms { flex-direction: column; margin-top: 28px; align-items: flex-start; }
  .platform { width: min(100%, 300px); }
  .features { gap: 24px; }
  h2 { font-size: 27px; }
  .features p { font-size: 17px; }
}

@media (max-width: 600px) {
  .page { width: calc(100% - 48px); }
  .header { padding-block: 24px; }
  .brand { gap: 12px; }
  .brand img { width: 42px; height: 42px; border-radius: 11px; }
  .brand span { font-size: 36px; letter-spacing: -1.5px; }
  .contact { font-size: 16px; padding-block: 14px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; gap: 40px; padding-block: 40px 44px; }
  h1 { font-size: clamp(40px, 11.3vw, 64px); line-height: 1.08; }
  .introduction { font-size: 19px; line-height: 1.5; margin-top: 24px; }
  .platforms { flex-direction: row; gap: 10px; align-items: stretch; }
  .platform { width: auto; flex: 1; gap: 9px; padding: 12px 10px; }
  .platform svg { width: 24px; height: 28px; flex-basis: 24px; }
  .platform-name { font-size: 12px; }
  .platform strong { font-size: 13px; }
  .hero-art { width: min(80%, 320px); margin-inline: auto; }
  .features { grid-template-columns: 1fr; gap: 28px; padding-block: 36px; }
  h2 { font-size: 30px; }
  .features p { font-size: 17px; margin-top: 8px; }
  .footer { align-items: flex-start; flex-wrap: wrap; font-size: 14px; padding-block: 24px; gap: 12px; }
}

@media (max-width: 359px) {
  .platforms { flex-direction: column; }
  .platform { width: 100%; padding: 14px 18px; }
  .platform-name { font-size: 14px; }
  .platform strong { font-size: 16px; }
}