:root {
  --bg: #F3F7F4; --card: #FFFFFF; --line: #DCE7E1; --ink: #17302B; --soft: #3F564F;
  --accent: #147A5E; --accent-ink: #FFFFFF; --sun: #FFC857; --sun-bg: #FFF1CC; --sun-line: #F1D58C;
  --shadow: 0 10px 30px rgba(23, 48, 43, .10);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10201C; --card: #19302A; --line: #2B4A41; --ink: #EAF4EF; --soft: #A9C2B8;
    --accent: #3FC79E; --accent-ink: #0B1F19; --sun-bg: #3A2F12; --sun-line: #5C4A1C;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 "Nunito", "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", sans-serif;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 0; }
h3 { font-size: 1.1rem; }
section.wrap { margin: 72px auto; }
.hero.wrap { margin-top: 40px; }

.top { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
         font-weight: 800; font-size: 1.2rem; }
.mascot { width: 34px; height: 40px; }
.langs { display: flex; gap: 8px; }
.lang { font-weight: 700; text-decoration: none; border: 2px solid var(--accent); border-radius: 999px;
        padding: 4px 16px; }

.hero { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.lead { font-size: 1.2rem; color: var(--soft); }
.hero-shot img { border-radius: 18px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.dl { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 10px; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 999px; font-weight: 800;
       text-decoration: none; border: 2px solid var(--accent); color: var(--accent); background: transparent;
       transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.ghost { border-color: var(--line); color: var(--soft); }
.btn.sun { background: var(--sun); border-color: var(--sun); color: #17302B; }
.note { font-size: .9rem; color: var(--soft); }
.linux { font-weight: 700; }

.first, .donate { max-width: 1048px; }
.first { background: var(--sun-bg); border: 1px solid var(--sun-line); border-radius: 18px; padding: 28px 32px; }
.first ol { margin: 0; padding-left: 1.2em; }
.first li { margin: 6px 0; }

.how { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.how li, .feats li { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.how p, .feats p { margin: 0; color: var(--soft); }
.n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
     background: var(--accent); color: var(--accent-ink); font-weight: 800; margin-bottom: 12px; }
.feats { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shots figure { margin: 0; }
.shots img { border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow); }
figcaption { text-align: center; color: var(--soft); font-size: .95rem; margin-top: 10px; }

.honest p { max-width: 760px; color: var(--soft); }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
               padding: 14px 20px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 10px 0 2px; color: var(--soft); }

.donate { display: flex; gap: 24px; align-items: center; justify-content: space-between;
          background: var(--sun-bg); border: 1px solid var(--sun-line); border-radius: 18px; padding: 28px 32px; }
.donate p { margin: 0; color: var(--soft); }

/* ad places stay hidden until ads.js fills them */
.ad { display: none; max-width: 1080px; margin: 48px auto; padding: 0 16px; text-align: center; }
.ad.on { display: block; }
.ad.on::before { content: attr(aria-label); display: block; font-size: .75rem; color: var(--soft);
                 letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }

.foot { display: flex; flex-wrap: wrap; gap: 24px; padding-top: 24px; padding-bottom: 40px;
        border-top: 1px solid var(--line); font-size: .95rem; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .how, .shots { grid-template-columns: 1fr; }
  .feats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .top { flex-wrap: wrap; gap: 10px; }
  .lang { padding: 4px 12px; font-size: .9rem; }
  section.wrap { margin: 48px auto; }
  .first, .donate { margin-left: 16px; margin-right: 16px; }
  .feats { grid-template-columns: 1fr; }
  .first, .donate { padding: 22px 20px; }
  .donate { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; text-align: center; }
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }