:root {
  --paper: #fafafc;
  --pane: #ffffff;
  --recess: #f5f6f8;
  --wash: #f1f5fd;
  --selected: #e5ecfd;
  --ink: #0b0c0e;
  --secondary: #6b7280;
  --tertiary: #9aa0ab;
  --hairline: #eef0f3;
  --stroke: #e6e8ee;
  --accent: #1a64fc;
  --accent-deep: #1557e0;
  --on-accent: #ffffff;
  --dark-line: #2a2d32;
  --dark-secondary: #9ca3af;
  --max: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--hairline);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; text-decoration: none; letter-spacing: -.02em; }
.brand img { border-radius: 12px; }
nav { display: flex; gap: 28px; margin-left: auto; }
nav a, .text-link { color: var(--secondary); font-size: 13px; font-weight: 650; text-decoration: none; }
nav a:hover, .text-link:hover { color: var(--accent); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
  transition: background 120ms ease-out, translate 120ms ease-out;
}
.button:hover { background: var(--accent-deep); translate: 0 -1px; }
.button-small { min-height: 38px; padding-inline: 17px; font-size: 13px; }
.button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

main { overflow: hidden; }
.hero {
  width: min(calc(100% - 48px), var(--max));
  min-height: 560px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: center;
  gap: 72px;
  padding: 92px 0 72px;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow, .section-kicker { margin: 0 0 20px; color: var(--accent); font-size: 13px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 26px; font-size: clamp(52px, 7vw, 92px); line-height: .98; letter-spacing: -.065em; font-weight: 650; }
.lede { max-width: 650px; margin-bottom: 32px; color: var(--secondary); font-size: clamp(16px, 2vw, 22px); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.fine-print { margin: 18px 0 0; color: var(--tertiary); font-size: 13px; }
.hero-mark { display: flex; justify-content: center; }
.hero-mark img { width: min(100%, 360px); filter: drop-shadow(0 28px 48px rgba(11, 12, 14, .13)); }

.app-stage {
  width: min(calc(100% - 48px), 1380px);
  margin: 0 auto 150px;
  padding: 14px 14px 0;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: var(--pane);
  box-shadow: 0 34px 90px rgba(11, 12, 14, .12);
}
.window-dots { height: 32px; display: flex; align-items: center; gap: 7px; padding-left: 8px; }
.window-dots i { width: 9px; height: 9px; border-radius: 999px; background: var(--stroke); }
.window-dots i:first-child { background: var(--accent); }
.hero-shot { aspect-ratio: 1.9; overflow: hidden; border-radius: 12px 12px 0 0; background: var(--recess); }
.hero-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

.principles { width: min(calc(100% - 48px), var(--max)); margin: 0 auto 150px; }
h2 { max-width: 880px; margin-bottom: 52px; font-size: clamp(38px, 5vw, 66px); line-height: 1.04; letter-spacing: -.05em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--stroke); }
.feature-grid article { min-height: 260px; padding: 28px 34px 20px 0; border-right: 1px solid var(--stroke); }
.feature-grid article + article { padding-left: 34px; }
.feature-grid article:last-child { border-right: 0; }
.number { color: var(--accent); font-size: 13px; font-weight: 650; letter-spacing: .1em; }
h3 { margin: 48px 0 12px; font-size: 22px; letter-spacing: -.025em; }
.feature-grid p, .gallery-copy > p { color: var(--secondary); }

.gallery {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto 150px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 64px;
  align-items: center;
}
figure { margin: 0; }
.gallery-large { padding: 12px; border: 1px solid var(--stroke); border-radius: 16px; background: var(--pane); }
.gallery-large img { border-radius: 12px; }
figcaption { padding: 16px 6px 5px; color: var(--secondary); font-size: 13px; }
figcaption span { color: var(--ink); font-weight: 700; margin-right: 8px; }
.gallery-copy h2 { margin-bottom: 24px; font-size: clamp(38px, 4vw, 66px); }
.detail-shot { width: 250px; margin-top: 36px; padding: 8px; border: 1px solid var(--stroke); border-radius: 16px; background: var(--pane); }
.detail-shot img { width: 100%; border-radius: 12px; }

.privacy { width: min(calc(100% - 48px), var(--max)); margin: 0 auto 150px; padding: 72px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; border-radius: 16px; background: var(--ink); color: var(--on-accent); }
.privacy h2 { margin: 0; }
.privacy ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--dark-line); }
.privacy li { padding: 20px 0; display: grid; grid-template-columns: 170px 1fr; gap: 16px; border-bottom: 1px solid var(--dark-line); }
.privacy strong { font-size: 15px; }
.privacy span { color: var(--dark-secondary); font-size: 15px; }

.cta { width: min(calc(100% - 48px), 900px); margin: 0 auto 130px; text-align: center; }
.cta > img { margin: 0 auto 28px; border-radius: 16px; }
.cta h2 { margin: 0 auto 36px; }
.cta .hero-actions { justify-content: center; }

.support { width: min(calc(100% - 48px), 900px); margin: -60px auto 130px; text-align: center; }
.support p { margin: 0 0 20px; color: var(--secondary); }
.wallets { margin: 0; display: grid; gap: 10px; justify-content: center; }
.wallets div { display: flex; gap: 12px; align-items: baseline; justify-content: center; flex-wrap: wrap; }
.wallets dt { font-weight: 700; font-size: 13px; }
.wallets dd { margin: 0; }
.wallets code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; }

footer { width: min(calc(100% - 48px), var(--max)); min-height: 90px; margin: 0 auto; display: flex; align-items: center; gap: 28px; border-top: 1px solid var(--hairline); color: var(--tertiary); font-size: 13px; }
footer span:nth-child(2) { margin-left: auto; }

@media (max-width: 820px) {
  nav { display: none; }
  .site-header { gap: 16px; }
  .site-header .button { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 68px; }
  .hero-mark { display: none; }
  .app-stage { margin-bottom: 100px; }
  .feature-grid, .gallery, .privacy { grid-template-columns: 1fr; }
  .feature-grid article { border-right: 0; border-bottom: 1px solid var(--stroke); padding-inline: 0; }
  .feature-grid article + article { padding-left: 0; }
  .privacy { padding: 42px 30px; gap: 30px; }
  .privacy li { grid-template-columns: 1fr; gap: 3px; }
  footer { padding: 28px 0; flex-wrap: wrap; }
  footer span:nth-child(2) { width: 100%; order: 3; margin-left: 0; }
}

@media (max-width: 520px) {
  .site-header, .hero, .principles, .gallery, .privacy, .cta, .support, footer { width: min(calc(100% - 32px), var(--max)); }
  .brand span { display: none; }
  h1 { font-size: 52px; }
  .hero { min-height: auto; padding-bottom: 56px; }
  .app-stage { width: calc(100% - 16px); padding: 7px 7px 0; border-radius: 12px; }
  .window-dots { height: 24px; }
  .hero-shot { aspect-ratio: 1.9; }
  .principles, .gallery, .privacy { margin-bottom: 100px; }
  .detail-shot { width: 190px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}