:root {
  color-scheme: dark;
  --page: #14171d;
  --panel: #191d24;
  --line: #343b46;
  --text: #edf0f4;
  --muted: #aab3c0;
  --accent: #8ee1ff;
  font-family: Inter, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--page);
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
img { display: block; width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
p { color: var(--muted); line-height: 1.65; }
a { color: inherit; text-underline-offset: .24em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
section[id] { scroll-margin-block: 1.5rem; }
.shell { width: min(100% - 5rem, 78rem); margin-inline: auto; }
.skip { position: absolute; inset: .75rem auto auto .75rem; z-index: 2; padding: .6rem; background: var(--panel); transform: translateY(-200%); }
.skip:focus { transform: none; }

.header, .footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.15rem; }
.header { border-bottom: 1px solid var(--line); }
.brand { display: block; flex: 0 0 auto; width: 7.3rem; }
.brand img { filter: invert(1); }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem 1.6rem; }
nav a, .footer > a:last-child { color: var(--muted); text-decoration: none; font-size: .9rem; }
nav a:hover, .footer > a:last-child:hover { color: var(--text); text-decoration: underline; }

.hero { display: grid; grid-template-columns: minmax(0, .87fr) minmax(0, 1.25fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(3rem, 7vw, 7rem); }
.hero-copy { padding-bottom: 1rem; }
h1, h2 { letter-spacing: -.048em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 4.7vw, 4.6rem); line-height: 1.02; }
h2 { font-size: clamp(1.95rem, 3.1vw, 3rem); line-height: 1.12; }
.hero p { max-width: 39ch; margin-block: 1.15rem 1.55rem; font-size: 1.08rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 2.9rem; padding: .65rem 1rem; border: 1px solid transparent; border-radius: 6px; background: var(--accent); color: #152331; font: 700 .92rem/1.3 Inter, "Segoe UI", sans-serif; text-decoration: none; }
a.button:hover { background: #b9eeff; }
button.button:disabled { background: #242a33; color: var(--muted); border-color: var(--line); cursor: default; }
figure img { border: 1px solid var(--line); border-radius: 8px; }
figcaption { margin-top: .65rem; color: var(--muted); font-size: .82rem; }

.section { border-top: 1px solid var(--line); padding-block: clamp(2.65rem, 5vw, 5rem); }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.3rem, 3vw, 3rem); margin-block: 1.9rem 2.6rem; }
.features article { border-top: 1px solid var(--line); padding-top: 1rem; }
h3 { font-size: 1.05rem; margin-bottom: .55rem; }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.visit { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.4rem, 6vw, 6rem); }
.visit p + p { margin-top: .9rem; }
.offer { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1.65rem 3rem; padding: clamp(1.4rem, 4.5vw, 3.4rem); border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.offer h2 { margin-bottom: .6rem; }
.offer > div:first-child p { max-width: 53ch; }
.offer-action { display: grid; justify-items: start; gap: .55rem; }
.price { color: var(--text); font-size: 2.65rem; font-weight: 720; line-height: 1; letter-spacing: -.035em; }
.price span { color: var(--muted); font-size: .87rem; letter-spacing: 0; }
.purchase-status { font-size: .82rem; }
.footer { margin-top: clamp(2.5rem, 6vw, 5rem); border-top: 1px solid var(--line); }
.footer .brand { width: 5.5rem; }
@media (max-width: 850px) {
  .shell { width: min(100% - 3rem, 42rem); }
  .hero, .visit { grid-template-columns: 1fr; }
  .hero-copy { padding: 0; }
  h1 { max-width: 15ch; }
  .features { gap: 1.1rem; }
}
@media (max-width: 580px) {
  .shell { width: calc(100% - 2rem); }
  .header .brand { width: 5.5rem; }
  nav { gap: .35rem .8rem; }
  nav a { font-size: .8rem; }
  .features, .gallery, .offer { grid-template-columns: 1fr; }
}