/* Aether Backup Pro - site styles. iOS-like: soft grey canvas, big rounded cards, generous spacing, translucent bars. */
:root {
  --bg: #f5f5f7; --card: #ffffff; --line: rgba(0, 0, 0, .08); --text: #1d1d1f; --muted: #6e6e73; --accent: #7c5cff; --accent-ink: #ffffff;
  --accent-soft: rgba(124, 92, 255, .10); --ok: #30b862; --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 12px 40px rgba(0, 0, 0, .06);
  --nav: rgba(245, 245, 247, .78); --radius: 24px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #1c1c1e; --line: rgba(255, 255, 255, .10); --text: #f5f5f7; --muted: #a1a1a6; --accent-soft: rgba(124, 92, 255, .18);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 40px rgba(0, 0, 0, .5); --nav: rgba(0, 0, 0, .72); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.55 -apple-system, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

nav { position: sticky; top: 0; z-index: 10; background: var(--nav); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; height: 56px; gap: 8px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text); font-size: 17px; margin-right: auto; }
.brand:hover { text-decoration: none; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, #8b5cf6, #5b8cff); display: grid; place-items: center; color: #fff; font-size: 14px; }
nav a.link { color: var(--muted); font-size: 15px; padding: 8px 14px; border-radius: 999px; }
nav a.link:hover, nav a.link.on { color: var(--text); background: var(--accent-soft); text-decoration: none; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 17px; border: 0; cursor: pointer; transition: transform .15s, filter .15s; }
.btn:hover { filter: brightness(1.08); text-decoration: none; transform: translateY(-1px); }
.btn.small { padding: 8px 18px; font-size: 15px; }
.btn.ghost { background: var(--accent-soft); color: var(--accent); }

.hero { text-align: center; padding: 112px 0 40px; }
.eyebrow { display: inline-block; color: var(--accent); font-weight: 600; font-size: 15px; letter-spacing: .02em; margin-bottom: 16px; }
h1 { font-size: clamp(40px, 7vw, 76px); line-height: 1.04; letter-spacing: -.035em; font-weight: 700; margin: 0 auto 22px; max-width: 900px; }
h1 em { font-style: normal; background: linear-gradient(90deg, #8b5cf6, #5b8cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(19px, 2.4vw, 24px); line-height: 1.4; color: var(--muted); max-width: 680px; margin: 0 auto 36px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.shot { margin: 64px auto 0; max-width: 960px; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow), 0 0 0 1px var(--line); background: var(--card); }
.shot img { display: block; width: 100%; height: auto; }

section { padding: 96px 0; }
section.tight { padding: 56px 0; }
h2 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; margin: 0 0 14px; }
.sub { color: var(--muted); font-size: 21px; line-height: 1.4; max-width: 640px; margin: 0 0 48px; }
.center { text-align: center; } .center .sub { margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--card); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.card .ic { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; font-size: 24px; margin-bottom: 22px; background: var(--accent-soft); color: var(--accent); }
.card h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -.015em; }
.card p { margin: 0; color: var(--muted); font-size: 17px; }
.steps { counter-reset: s; }
.steps .card::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 20px; }
.band { background: linear-gradient(135deg, #7c5cff, #4f7bff); color: #fff; border-radius: 32px; padding: 72px 32px; text-align: center; }
.band h2 { color: #fff; } .band p { color: rgba(255, 255, 255, .85); font-size: 21px; margin: 0 auto 32px; max-width: 560px; }
.band .btn { background: #fff; color: #5b3df0; }

.list { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.list .row { display: flex; gap: 16px; align-items: baseline; padding: 20px 28px; border-bottom: 1px solid var(--line); }
.list .row:last-child { border-bottom: 0; }
.list .row b { min-width: 190px; } .list .row span { color: var(--muted); }
details { background: var(--card); border-radius: 18px; padding: 22px 28px; margin-bottom: 12px; box-shadow: var(--shadow); }
summary { cursor: pointer; font-weight: 600; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::after { content: "+"; color: var(--accent); font-size: 26px; line-height: 1; }
details[open] summary::after { content: "\2212"; }
summary::-webkit-details-marker { display: none; }
details p { color: var(--muted); margin: 14px 0 0; }
code { background: var(--accent-soft); padding: 2px 8px; border-radius: 8px; font: .88em ui-monospace, "Cascadia Mono", monospace; }
.hash { display: block; word-break: break-all; margin-top: 8px; padding: 12px 16px; }

.dl { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.dl .card .tag { display: inline-block; background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 999px; margin-bottom: 18px; }
.dl .card .btn { margin-top: 26px; }
.legal h2 { font-size: 22px; margin: 40px 0 12px; letter-spacing: -.01em; }
.legal p, .legal li { color: var(--muted); font-size: 17px; }
.legal .doc { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px 44px; }

footer { padding: 48px 0 64px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); margin-top: 32px; }
footer .wrap { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
footer .sp { margin-left: auto; } footer a { color: var(--muted); } footer a:hover { color: var(--text); }
@media (max-width: 720px) { nav a.link { display: none; } nav a.link.keep { display: inline-block; } .hero { padding-top: 64px; } section { padding: 64px 0; } .list .row { flex-direction: column; gap: 4px; } .legal .doc { padding: 28px 22px; } }
[data-field].editing { outline: 2px dashed var(--accent); outline-offset: 4px; border-radius: 6px; }