/* Rizzo marketing site — minimal, fast, Apple-review friendly. */
:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --ink: #0a0a0a;
  --ink-soft: #4a4a52;
  --ink-mute: #71717a;
  --line: #ececef;
  --brand: #ff5a5f;
  --brand-ink: #ffffff;
  --max: 760px;
  --max-wide: 1080px;
  --radius: 14px;
  --pad-x: clamp(20px, 5vw, 32px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --bg-soft: #141417;
    --ink: #f4f4f5;
    --ink-soft: #c4c4cc;
    --ink-mute: #8b8b94;
    --line: #2a2a30;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 6px;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
header.site .brand {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
header.site nav { display: flex; gap: 18px; flex-wrap: wrap; }
header.site nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}
header.site nav a:hover { color: var(--ink); text-decoration: none; }

main { max-width: var(--max); margin: 0 auto; padding: 56px var(--pad-x) 96px; }
main.wide { max-width: var(--max-wide); }

h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: clamp(22px, 3vw, 28px); line-height: 1.25; margin: 40px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 8px; }
p, li { color: var(--ink-soft); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.lede { font-size: 18px; color: var(--ink-soft); }
.muted { color: var(--ink-mute); font-size: 14px; }

.hero {
  text-align: center;
  padding: 72px 0 48px;
}
.hero .badge {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero p { max-width: 580px; margin: 0 auto 28px; }

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.1s ease, opacity 0.1s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 0.85; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-ghost   { background: transparent; color: var(--ink); border-color: var(--line); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--bg-soft);
}
.feature h3 { margin: 0 0 6px; font-size: 16px; color: var(--ink); }
.feature p  { margin: 0; font-size: 14px; }

.policy h2:first-of-type { margin-top: 0; }
.policy table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.policy th, .policy td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.policy th { background: var(--bg-soft); font-weight: 700; color: var(--ink); }

footer {
  border-top: 1px solid var(--line);
  padding: 32px var(--pad-x);
  text-align: center;
  color: var(--ink-mute);
  font-size: 13px;
}
footer nav { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
footer nav a { color: var(--ink-mute); }