/* amneziawg-installer landing - shared styles. Dark, fast, no external fonts. */
:root {
  --bg: #0e1116;
  --bg-soft: #161b22;
  --bg-card: #1b222c;
  --border: #2a323d;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --accent: #3ddc97;
  --accent-dim: #2bbd80;
  --accent-ink: #07120c;
  --code-bg: #0a0d12;
  --radius: 12px;
  --maxw: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; font-weight: 700; }
code, pre, kbd { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14, 17, 22, 0.82);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .logo { width: 26px; height: 26px; }
.nav-right { display: flex; align-items: center; gap: 14px; font-size: 15px; }
.lang-switch a { color: var(--text-dim); padding: 3px 7px; border-radius: 7px; }
.lang-switch a.active { color: var(--accent-ink); background: var(--accent); font-weight: 600; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 16px;
  border: 1px solid var(--border); color: var(--text); background: var(--bg-card);
  transition: transform .08s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dim); }
.btn-sm { padding: 7px 13px; font-size: 14px; }

/* hero */
.hero {
  padding: 64px 0 40px; text-align: center; border-top: none;
  background: radial-gradient(ellipse 70% 55% at 50% 0%, rgba(61, 220, 151, 0.07), transparent 70%);
}
.hero h1 { font-size: clamp(30px, 5vw, 46px); margin: 0 0 14px; letter-spacing: -0.5px; }
.hero .lede { font-size: clamp(17px, 2.4vw, 21px); color: var(--text-dim); max-width: 640px; margin: 0 auto 26px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }

/* command box */
.cmd {
  position: relative; text-align: left; background: var(--code-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 52px 18px 18px; max-width: 760px; margin: 0 auto;
  overflow-x: auto;
}
.cmd pre { margin: 0; font-size: 14.5px; color: #cdd9e5; white-space: pre; }
.cmd .prompt { color: var(--accent); user-select: none; }
.copy-btn {
  position: absolute; top: 12px; right: 12px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 8px; padding: 6px 9px; font-size: 12px; cursor: pointer;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* trust strip */
.trust { display: flex; gap: 10px 26px; justify-content: center; flex-wrap: wrap; color: var(--text-dim); font-size: 14.5px; margin-top: 22px; }
.trust span { display: inline-flex; align-items: center; gap: 6px; }

/* sections */
section { padding: 44px 0; border-top: 1px solid var(--border); }
section h2 { font-size: clamp(23px, 3.4vw, 30px); margin: 0 0 8px; }
section .sub { color: var(--text-dim); margin: 0 0 26px; max-width: 660px; }

/* feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  transition: transform .08s ease, border-color .15s ease;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card .ico { font-size: 26px; line-height: 1; margin-bottom: 10px; }
.card h3 { font-size: 17px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--text-dim); font-size: 15px; }

/* steps */
.steps { counter-reset: step; display: grid; gap: 14px; list-style: none; margin: 0; padding: 0; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step .n {
  counter-increment: step; flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-weight: 700;
  display: grid; place-items: center; font-size: 15px;
}
.step .n::before { content: counter(step); }
.step p { margin: 3px 0 0; }

/* os list */
.os-list { display: flex; flex-wrap: wrap; gap: 10px; }
.os-list .pill { background: var(--bg-card); border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px; font-size: 15px; }
.os-list .pill b { color: var(--accent); }

/* faq */
.faq details { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; padding: 0 18px; }
.faq summary { cursor: pointer; padding: 15px 0; font-weight: 600; list-style: none; }
.faq summary:hover { color: var(--accent); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "\2212"; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq .answer { padding: 14px 0; color: var(--text-dim); }
.faq .answer code { background: var(--code-bg); padding: 2px 6px; border-radius: 5px; font-size: 14px; color: #cdd9e5; }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; color: var(--text-dim); font-size: 15px; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; }
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--accent); }
.site-footer .foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-footer .note { margin-top: 22px; font-size: 13.5px; opacity: 0.8; }

.center { text-align: center; }
.mt { margin-top: 26px; }
.inline-note { color: var(--text-dim); font-size: 14.5px; margin-top: 12px; }

/* polish */
::selection { background: var(--accent); color: var(--accent-ink); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* compact header on small screens */
@media (max-width: 600px) {
  .brand { font-size: 15px; }
  .nav-right { gap: 8px; }
  .btn-sm { padding: 6px 10px; font-size: 13px; }
}
@media (max-width: 430px) {
  .site-header .btn-sm { display: none; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
  .btn:hover, .card:hover { transform: none; }
}