/* UbuntuBox website: the app's look. Ubuntu Dark terminal colours with Ubuntu orange, and a
   light version for phones and computers set to light mode. */
:root {
  --bg: #0d0e12;
  --surface: #16181d;
  --surface-2: #1d2027;
  --line: #2a2e37;
  --text: #e6e6e6;
  --muted: #a3a9b6;
  --orange: #e95420;
  --orange-light: #ff7a45;
  --on-orange: #ffffff;
  --green: #46c46e;
  --yellow: #f5b83d;
  --term-bg: #0d0e12;
  --term-text: #e6e6e6;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "Ubuntu Sans", "Ubuntu", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #fbf6f3;
    --surface-2: #f6ece6;
    --line: #ecdcd2;
    --text: #1d1f24;
    --muted: #5b616d;
    --orange: #d9481a;
    --shadow: 0 20px 60px rgba(233, 84, 32, 0.16);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--orange-light); text-underline-offset: 3px; }
@media (prefers-color-scheme: light) { a { color: var(--orange); } }
a:focus-visible, button:focus-visible { outline: 3px solid var(--orange-light); outline-offset: 3px; border-radius: 6px; }

img { max-width: 100%; height: auto; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-inline: 20px; }

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 19px; }
.brand img { width: 34px; height: 34px; }
.nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-size: 15px; }
.nav a:hover { color: var(--text); background: var(--surface); }
@media (max-width: 560px) { .nav .optional { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 999px; border: 0;
  font: 600 17px/1 var(--sans); text-decoration: none; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--orange-light), var(--orange)); color: var(--on-orange); box-shadow: 0 8px 24px rgba(233, 84, 32, 0.35); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--surface); }

/* Hero */
.hero { padding-block: 64px 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
@media (max-width: 880px) { .hero .wrap { grid-template-columns: 1fr; gap: 36px; } .hero { padding-top: 40px; } }
.hero-logo { width: 84px; height: 84px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -0.02em; text-wrap: balance; }
.hero h1 .accent { color: var(--orange-light); }
@media (prefers-color-scheme: light) { .hero h1 .accent { color: var(--orange); } }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.release { margin-top: 14px; color: var(--muted); font-size: 14px; font-family: var(--mono); }

/* Terminal mock */
.terminal {
  background: var(--term-bg); color: var(--term-text);
  border-radius: 18px; border: 1px solid #2a2e37; box-shadow: var(--shadow);
  overflow: hidden; min-width: 0;
}
.terminal-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: #16181d; border-bottom: 1px solid #2a2e37; }
.terminal-bar .tab { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; background: #1d2027; border-radius: 8px; font: 600 14px var(--sans); color: #e6e6e6; }
.terminal-bar .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }
.terminal pre { margin: 0; padding: 18px 18px 22px; font: 14px/1.65 var(--mono); white-space: pre-wrap; word-break: break-word; overflow-x: auto; }
.terminal .p { color: #46c46e; }
.terminal .o { color: #ff7a45; }
.terminal .d { color: #7d8494; }
.terminal .c { color: #e6e6e6; }
.terminal .y { color: #f5b83d; }
.keys { display: flex; gap: 2px; padding: 6px; background: #16181d; border-top: 1px solid #2a2e37; overflow: hidden; }
.keys span { flex: 1 0 auto; text-align: center; padding: 7px 8px; font: 500 12px var(--mono); color: #e6e6e6; border-radius: 6px; }

/* Sections */
section { padding-block: 56px; }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
.eyebrow { font: 600 13px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--orange-light); margin: 0 0 8px; }
@media (prefers-color-scheme: light) { .eyebrow { color: var(--orange); } }
h2 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.01em; text-wrap: balance; }
.section-lead { color: var(--muted); max-width: 40em; margin: 0 0 32px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 880px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 22px; min-width: 0; }
section:not(.alt) .card { background: var(--surface); }
.card h3 { margin: 12px 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange-light); font: 700 17px var(--mono); }
@media (prefers-color-scheme: light) { .card .icon { color: var(--orange); } }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
.card code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }

/* Agents */
.agents { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 880px) { .agents { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.agent { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--bg); min-width: 0; }
.agent .name { font-weight: 700; }
.agent .cmd { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.note { margin-top: 18px; color: var(--muted); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
@media (max-width: 880px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps li { counter-increment: step; border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--surface); min-width: 0; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--orange-light), var(--orange)); color: #fff; font: 700 16px var(--mono); margin-bottom: 12px; }
.steps h3 { margin: 0 0 6px; font-size: 18px; }
.steps p { margin: 0; color: var(--muted); font-size: 16px; }

/* What's new */
.news { border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; background: var(--bg); }
.news h3 { margin: 0 0 4px; }
.news .meta { color: var(--muted); font-family: var(--mono); font-size: 14px; margin-bottom: 10px; }
.news ul { margin: 0; padding-left: 20px; }

/* FAQ */
details { border: 1px solid var(--line); border-radius: 14px; padding: 4px 18px; background: var(--surface); }
details + details { margin-top: 10px; }
summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
details p { margin: 0 0 14px; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--line); padding-block: 32px; color: var(--muted); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
footer .links { display: flex; gap: 18px; flex-wrap: wrap; }

/* Privacy page */
.doc { padding-block: 48px 64px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); margin: 0 0 6px; letter-spacing: -0.02em; }
.doc .meta { color: var(--muted); font-family: var(--mono); font-size: 14px; margin: 0 0 28px; }
.doc h2 { font-size: 24px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc li + li { margin-top: 6px; }
.doc .summary { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--orange); border-radius: 12px; padding: 16px 20px; }
.table-wrap { overflow-x: auto; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--muted); font-weight: 600; }