:root {
  color-scheme: dark;
  --ink: #f7f0df;
  --muted: #9bc7ca;
  --teal: #42ded7;
  --teal-dark: #0a706f;
  --gold: #f4c85b;
  --line: #24565c;
  --panel: rgba(8, 35, 39, 0.92);
  --panel-soft: rgba(13, 52, 57, 0.76);
  --warning: #ffb49f;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: #03181b; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(32, 139, 137, 0.2), transparent 34rem),
    radial-gradient(circle at 90% 18%, rgba(60, 83, 157, 0.22), transparent 38rem),
    linear-gradient(145deg, #03181b, #061316 66%, #0b1625);
}

a { color: inherit; }

.shell { width: min(1100px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 54px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 22px;
}

.brand img { display: block; width: min(310px, 62vw); height: auto; }

.preview-pill {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid #876b2e;
  border-radius: 999px;
  color: #ffe08a;
  background: rgba(79, 54, 9, 0.56);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.preview-banner {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
  padding: 13px 16px;
  border: 1px solid #a76655;
  border-left: 4px solid #ef8e72;
  border-radius: 12px;
  color: #e6c9c0;
  background: linear-gradient(135deg, rgba(58, 32, 28, 0.94), rgba(35, 26, 25, 0.94));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  font-size: 13px;
  line-height: 1.45;
}

.preview-banner strong {
  color: var(--warning);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(12, 61, 55, 0.86), rgba(18, 34, 63, 0.9));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.hero { padding: clamp(34px, 7vw, 76px); overflow: hidden; position: relative; }
.hero::after { content: "PX"; position: absolute; right: 4%; bottom: -0.28em; color: #ffec32; font-family: Georgia, serif; font-size: clamp(130px, 24vw, 280px); line-height: 1; opacity: 0.96; pointer-events: none; }
.hero-copy { position: relative; z-index: 1; max-width: 720px; }
.eyebrow { margin: 0 0 10px; color: var(--teal); font-size: 13px; font-weight: 900; letter-spacing: 0.16em; text-transform: uppercase; }
h1, h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; line-height: 0.98; }
h1 { max-width: 820px; font-size: clamp(50px, 8.6vw, 96px); }
h2 { font-size: clamp(34px, 5vw, 56px); }
.lede { max-width: 670px; margin: 22px 0 0; color: #b8e5e4; font-size: clamp(16px, 2vw, 20px); line-height: 1.65; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid #52eee5;
  border-radius: 12px;
  color: #001b1d;
  background: var(--teal);
  font-weight: 900;
  text-decoration: none;
}
.button.secondary { color: var(--ink); background: rgba(3, 26, 29, 0.84); border-color: var(--line); }
.button:hover { filter: brightness(1.08); }

.panel { margin-top: 18px; padding: clamp(24px, 5vw, 48px); }
.panel p { color: var(--muted); line-height: 1.65; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 26px 0 0; }
.fact { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(3, 25, 28, 0.68); }
.fact b { display: block; margin-bottom: 5px; color: var(--gold); }
.fact span { color: var(--muted); font-size: 14px; line-height: 1.45; }

.download-card { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr); gap: 34px; align-items: start; }
.download-button { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; align-items: center; margin-top: 24px; padding: 18px 20px; border-radius: 14px; text-decoration: none; }
.download-button .arrow { grid-row: 1 / span 2; font-size: 30px; }
.download-button small { font-weight: 700; opacity: 0.74; }
.checksum { margin-top: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(2, 20, 23, 0.72); }
.checksum code { display: block; margin-top: 6px; overflow-wrap: anywhere; color: #cae7e4; font-size: 12px; }
.steps { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.6; }
.steps li + li { margin-top: 10px; }
.steps b { color: var(--ink); }

footer { padding: 26px 8px 0; color: #6e9ca0; font-size: 13px; text-align: center; }

@media (max-width: 760px) {
  .topbar { align-items: flex-start; }
  .preview-banner { grid-template-columns: 1fr; gap: 6px; }
  .hero::after { right: -5%; opacity: 0.2; }
  .facts, .download-card { grid-template-columns: 1fr; }
}