/* SwiftSCP website. Plain CSS, no external files. Light and dark mode. */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f5f3;
  --text: #1d1d1f;
  --muted: #5f5f66;
  --line: #e4e2de;
  --accent: #e8651c;
  --accent-strong: #c9530f;
  --accent-soft: #fdf0e7;
  --code-bg: #f1efec;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161617;
    --bg-soft: #1f1f21;
    --text: #f2f2f4;
    --muted: #a3a3ab;
    --line: #313134;
    --accent: #f58a3c;
    --accent-strong: #ff9d55;
    --accent-soft: #2b2018;
    --code-bg: #26262a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font: 0.9em ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 5px;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* Header */
.top {
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
.top nav { display: flex; gap: 20px; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* Hero */
.hero { text-align: center; padding: 64px 0 48px; }
.hero img.icon { width: 128px; height: 128px; filter: drop-shadow(0 10px 24px rgba(232, 101, 28, 0.25)); }
.hero h1 { font-size: 48px; line-height: 1.1; margin: 20px 0 12px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 21px; color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600;
}
.button:hover { background: var(--accent-strong); text-decoration: none; }
.button.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.button.secondary:hover { background: var(--bg-soft); }
.button.disabled { background: var(--bg-soft); color: var(--muted); border: 1px solid var(--line); cursor: default; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* Protocol chips */
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 0 8px; padding: 0; list-style: none; }
.chips li {
  font-size: 14px; font-weight: 600; padding: 5px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-strong);
}

/* Sections */
section { padding: 40px 0; }
section.alt { background: var(--bg-soft); }
h2 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 19px; margin: 0 0 6px; }
.section-lead { color: var(--muted); margin: 0 0 28px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
}
section.alt .card { background: var(--bg); }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .glyph { font-size: 22px; line-height: 1; margin-bottom: 10px; display: block; }

ul.plain { padding-left: 20px; margin: 8px 0 0; }
ul.plain li { margin: 4px 0; }

/* Keyboard table */
table.keys { border-collapse: collapse; width: 100%; font-size: 16px; }
table.keys td { padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.keys td:first-child { width: 150px; }
kbd {
  font: 13px ui-monospace, "SF Mono", Menlo, monospace;
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px;
  padding: 2px 7px; background: var(--bg);
}

/* Document pages (support, privacy) */
.doc { padding: 40px 0 56px; }
.doc h1 { font-size: 38px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.02em; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.doc h2 { font-size: 23px; margin: 36px 0 8px; }
.doc h3 { margin-top: 22px; }
.doc p, .doc li { color: var(--text); }
.callout {
  background: var(--accent-soft); border-radius: var(--radius); padding: 18px 20px; margin: 20px 0;
}
.callout p { margin: 0; }
details {
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; background: var(--bg);
}
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; }
details p:last-child { margin-bottom: 4px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer nav { display: flex; gap: 18px; }
footer a { color: var(--muted); }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { padding: 44px 0 32px; }
  .hero h1 { font-size: 36px; }
  .hero p.lead { font-size: 18px; }
  .top nav { gap: 14px; font-size: 14px; }
  h2 { font-size: 25px; }
  .doc h1 { font-size: 30px; }
  table.keys td:first-child { width: 110px; }
}