/* WS-101: informational site. Neutral styling: the product's visual direction is the owner's choice (OA-09). */
:root {
  --bg: #fafaf8; --surface: #ffffff; --band: #f1f2f5; --text: #17181c; --muted: #5e6470; --line: #e3e4e8;
  --accent: #2357d8; --accent-ink: #ffffff; --warn-bg: #fff3d6; --warn: #7a5200;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --surface: #1a1d23; --band: #15181d; --text: #eceef2; --muted: #a2a8b3; --line: #2b2f37;
    --accent: #7aa2ff; --accent-ink: #0b1020; --warn-bg: #3a2d0f; --warn: #f3cf7a; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.7 "Segoe UI", system-ui, -apple-system, "Noto Sans Arabic", Tahoma, sans-serif; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.row { display: flex; align-items: center; gap: 20px; }
a { color: var(--accent); }
.preview-note { background: var(--warn-bg); color: var(--warn); text-align: center; font-size: 13.5px; padding: 6px 12px; }
.top { position: sticky; top: 0; z-index: 2; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .row { height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.mark { width: 30px; height: 20px; border-radius: 4px; background: linear-gradient(135deg, #18a47a, #2357d8); box-shadow: 0 2px 6px rgba(0,0,0,.2); }
nav { display: flex; gap: 18px; flex: 1; }
nav a { color: var(--muted); text-decoration: none; font-size: 14.5px; }
nav a:hover { color: var(--text); }
.lang, .chip { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--text); border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.chip[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.hero { padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
h1 { font-size: 40px; line-height: 1.25; margin: 0 0 14px; }
h2 { font-size: 27px; margin: 0 0 16px; }
h3 { font-size: 18px; margin: 18px 0 8px; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.cta { font: inherit; font-weight: 600; font-size: 17px; border: 0; border-radius: 12px; padding: 13px 26px; background: var(--accent); color: var(--accent-ink); }
.cta:disabled { opacity: .55; cursor: not-allowed; }
.small { font-size: 14px; color: var(--muted); margin: 8px 0; }
.choose { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.cards { position: relative; height: 300px; max-width: 460px; width: 100%; }
.card { position: absolute; width: min(300px, 62%); aspect-ratio: 1536 / 969; border-radius: 16px; box-shadow: 0 18px 40px rgba(0,0,0,.25); }
.c1 { inset-inline-start: 0; top: 10px; transform: rotate(-8deg); background: linear-gradient(160deg, #071427, #0e2a4a 55%, #22c3a6); }
.c2 { inset-inline-start: 18%; top: 70px; transform: rotate(4deg); background: linear-gradient(180deg, #f8c98a, #f0a15a 60%, #a8452a); }
.c3 { inset-inline-start: 36%; top: 130px; transform: rotate(-2deg); background: linear-gradient(150deg, #0c4f3f, #18a47a 60%, #6fe0b0); }
section { padding: 56px 0; }
.band { background: var(--band); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; counter-increment: s; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; margin-bottom: 8px; }
.steps b { display: block; margin-bottom: 4px; }
.steps span { color: var(--muted); font-size: 15px; }
.note { color: var(--muted); font-size: 15px; margin-top: 18px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; }
.list { padding-inline-start: 20px; margin: 0; }
.list li { margin: 6px 0; }
.price .amount { font-size: 30px; font-weight: 700; color: var(--accent); margin: 0 0 8px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
@media (max-width: 860px) {
  nav { display: none; }
  .hero-grid, .two { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .cards { height: 240px; }
  h1 { font-size: 32px; }
}
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* WS-088: the download button is a link; the Mac choice has no file yet. */
a.cta { display: inline-block; text-decoration: none; }
a.cta[aria-disabled="true"] { opacity: .55; pointer-events: none; }

/* WS-088: the privacy and terms page. */
.legal { padding: 32px 20px 64px; }
.legal li { margin: 6px 0; }
.legal hr { margin: 40px 0; border: 0; border-top: 1px solid var(--line); }