:root {
  --bg: #151312;
  --bg-2: #1e1b19;
  --card: #262220;
  --line: #3a3430;
  --text: #f7f7f5;
  --muted: #b5aca5;
  --accent: #f47b20;
  --accent-2: #ff9a45;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-2); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.1rem; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
section { padding: 72px 0; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(21, 19, 18, .85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; gap: 28px; height: 76px; }
.top-inner nav { margin-left: auto; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .wordmark { width: 140px; height: auto; }
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--text); }

/* ABCx3 promotion */
.promo-mini img { height: 56px; width: auto; border-radius: 8px; transition: transform .15s; }
.promo-mini:hover img { transform: scale(1.04); }
.abcx3 { background: linear-gradient(180deg, var(--bg) 0%, #2a1414 100%); border-top: 1px solid var(--line); }
.promo { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.promo-img img { border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0, 0, 0, .5); transition: transform .15s; }
.promo-img:hover img { transform: scale(1.02); }
.promo p { color: var(--muted); }
.promo .kicker { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 600; color: #ff5a5a; margin: 0 0 6px; }
.btn.primary.abcx3-btn { background: #e3262f; margin-top: 8px; }
.btn.primary.abcx3-btn:hover { background: #ff3a42; }

/* Hero */
.hero { padding-top: 64px; text-align: center; background: radial-gradient(ellipse at 50% 0%, rgba(244, 123, 32, .18), transparent 60%); }
.hero h1 { font-size: clamp(2rem, 5.5vw, 3.6rem); }
.accent { color: var(--accent); }
.lead { max-width: 680px; margin: 0 auto 28px; color: var(--muted); font-size: 1.15rem; }
.cta { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 48px; }
.note { color: var(--muted); font-size: .9rem; }
.btn { display: inline-block; padding: 14px 28px; border-radius: 999px; font-weight: 600; text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-2); }
.shot img, .shots img { border-radius: var(--radius); border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, .55); }
figure { margin: 0; }

/* Features */
.features { background: var(--bg-2); }
.features h2 { text-align: center; margin-bottom: 40px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.grid article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.grid h3 { color: var(--accent-2); }
.grid p { margin: 0; color: var(--muted); }

/* File-name examples */
.split { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: center; }
.split p { color: var(--muted); }
.examples { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.examples li { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
.examples code { color: var(--muted); overflow-wrap: anywhere; }
.examples span { font-weight: 600; white-space: nowrap; }
.examples span::before { content: "→ "; color: var(--accent); }

/* Gallery */
.gallery { padding-top: 0; }
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
figcaption { color: var(--muted); font-size: .95rem; margin-top: 12px; text-align: center; }

/* Privacy band */
.privacy-band { background: var(--bg-2); text-align: center; }
.privacy-band p { max-width: 700px; margin: 0 auto; color: var(--muted); }

/* Download */
.download { text-align: center; }
.sub { color: var(--muted); }
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0; }
.dl { display: flex; flex-direction: column; gap: 4px; padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); color: var(--text); text-decoration: none; transition: border-color .15s; }
.dl:hover, .dl.mine { border-color: var(--accent); }
.dl strong { font-size: 1.2rem; }
.dl span { color: var(--muted); font-size: .9rem; }
.dl-notes { list-style: none; padding: 0; margin: 0 auto 16px; max-width: 640px; text-align: left; color: var(--muted); }
.dl-notes li { margin-bottom: 6px; }
.dl-notes b { color: var(--text); }
.dl-notes code { overflow-wrap: anywhere; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 28px 0 36px; font-size: .9rem; color: var(--muted); }
.foot { display: flex; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--muted); }
.credits { font-size: .8rem; opacity: .75; margin-top: 12px; }

/* Text pages (privacy) */
.page { max-width: 760px; padding-top: 56px; padding-bottom: 72px; }
.page h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.page h2 { font-size: 1.35rem; margin-top: 1.8em; }
.page p, .page li { color: #ddd6d0; }
.page .meta { color: var(--muted); }

@media (max-width: 760px) {
  section { padding: 52px 0; }
  .top-inner { gap: 12px; height: 64px; }
  nav { gap: 14px; }
  nav a:last-child { display: none; }
  .promo-mini img { height: 40px; }
  .promo { grid-template-columns: 1fr; gap: 24px; }
  .top-inner { justify-content: space-between; }
  .brand .wordmark { width: 110px; }
  .split, .shots, .dl-grid { grid-template-columns: 1fr; }
  .split { gap: 24px; }
}

@media (max-width: 560px) {
  .top nav { display: none; }
}