/* Layout: uma coluna central, faixa verde de abertura com o botão de download, depois passos e QR. */
:root {
  --bg: #F4F7F5; --surface: #FFFFFF; --ink: #20382D; --muted: #5E7268; --line: #DCE5E0;
  --green: #0D6044; --green-deep: #073D2A; --gold: #C9A24A; --on-green: #FFFFFF; --soft: #E3EFE9;
  --display: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --body: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0B1712; --surface: #12221B; --ink: #E4EFE9; --muted: #9DB5A9; --line: #23392F;
  --green: #1E8A62; --green-deep: #04241A; --gold: #E2BE6A; --on-green: #FFFFFF; --soft: #173328; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #0B1712; --surface: #12221B; --ink: #E4EFE9; --muted: #9DB5A9; --line: #23392F;
  --green: #1E8A62; --green-deep: #04241A; --gold: #E2BE6A; --on-green: #FFFFFF; --soft: #173328; color-scheme: dark }

* { box-sizing: border-box; }
html { min-height: 100%; }
body { margin: 0; min-height: 100%; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.55; }
.wrap { max-width: 640px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

.hero { background: radial-gradient(120% 90% at 50% 0%, var(--green) 0%, var(--green-deep) 70%); color: var(--on-green); }
.hero .wrap { padding-block: 48px 40px; display: grid; justify-items: center; text-align: center; gap: 14px; }
.mark { width: 84px; height: 84px; border-radius: 24px; background: rgba(255,255,255,.12); border: 2px solid var(--gold); display: grid; place-items: center; }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
h1 { font-family: var(--display); font-weight: 800; font-size: clamp(36px, 9vw, 52px); line-height: 1.05; margin: 0; text-wrap: balance; }
.lead { margin: 0; max-width: 34ch; color: rgba(255,255,255,.86); }
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--gold); color: #1E2A16; text-decoration: none; font-family: var(--display); font-weight: 800; font-size: 18px; padding: 16px 28px; border-radius: 999px; margin-top: 8px; box-shadow: 0 10px 24px rgba(0,0,0,.25); transition: transform .15s ease; }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--on-green); outline-offset: 3px; }
.meta { font-size: 13px; color: rgba(255,255,255,.72); font-variant-numeric: tabular-nums; }

main .wrap { padding-block: 32px 48px; display: grid; gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
h2 { font-family: var(--display); font-size: 20px; margin: 0 0 12px; }
ol { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 14px; }
ol li { counter-increment: s; display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: start; }
ol li::before { content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--soft); color: var(--green); font-weight: 700; display: grid; place-items: center; font-family: var(--display); }
ol li strong { display: block; }
ol li span { color: var(--muted); font-size: 15px; }
.qr { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; }
#qr { background: #fff; padding: 10px; border-radius: 12px; line-height: 0; }
#qr img, #qr canvas { width: 132px; height: 132px; }
.qr p { margin: 0; color: var(--muted); font-size: 15px; }
.qr strong { color: var(--ink); }
.note { display: flex; gap: 12px; align-items: flex-start; background: var(--soft); border-radius: 14px; padding: 16px; font-size: 15px; }
.note b { color: var(--green); }
.hash { overflow-wrap: anywhere; color: var(--muted); font-size: 13.5px; }
.hash code { color: var(--green); user-select: all; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding-bottom: 32px; }
@media (max-width: 460px) { .qr { grid-template-columns: 1fr; justify-items: center; text-align: center; } }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }
.web { color: #fff; font-weight: 600; }