:root {
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-sunken: #eceef1;
  --bg-dark: #1c2330;
  --text: #1a1f29;
  --text-muted: #5b6474;
  --text-on-dark: #c9d1de;
  --border: #dde1e7;
  --accent: #1e4fd8;
  --accent-hover: #1a44ba;
  --accent-soft: #e3eafc;
  --accent-text: #1a44ba;
  --heart: #c62828;
  --warning: #8a5300;
  --warning-soft: #fff1dc;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08);
  --font: "Segoe UI", "Segoe UI Variable Text", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --radius: 6px;
  --radius-lg: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181e;
    --bg-elevated: #1e2229;
    --bg-sunken: #11141a;
    --bg-dark: #0f1217;
    --text: #e6e9ef;
    --text-muted: #a3acbb;
    --text-on-dark: #aab3c2;
    --border: #2c323c;
    --accent: #5b8aff;
    --accent-hover: #759dff;
    --accent-soft: #1f2a45;
    --accent-text: #8fb0ff;
    --heart: #ef5350;
    --warning: #e0a030;
    --warning-soft: #3a2f16;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

/* One page, two languages: the inactive one is hidden. */
html[lang="en"] [lang="lv"], html[lang="lv"] [lang="en"] { display: none !important; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.05rem; }
p { margin: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--text-muted); }
section { padding: 72px 0; }
.section-head { max-width: 680px; margin-bottom: 36px; }
.section-head p { margin-top: 10px; color: var(--text-muted); font-size: 1.08rem; }

/* Header */
header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg-dark) 94%, transparent);
  backdrop-filter: blur(8px);
  color: #fff;
}
.bar { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.brand img { width: 32px; height: 32px; }
nav.links { display: flex; gap: 20px; margin-left: auto; }
nav.links a { color: var(--text-on-dark); text-decoration: none; font-size: .95rem; }
nav.links a:hover { color: #fff; }
.lang { display: flex; border: 1px solid rgba(255, 255, 255, .25); border-radius: var(--radius); overflow: hidden; }
.lang button { background: none; border: 0; color: var(--text-on-dark); font: inherit; font-size: .85rem; font-weight: 600; padding: 4px 10px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: rgba(255, 255, 255, .16); color: #fff; }
/* Phones: the menu moves to its own scrollable row under the logo. */
@media (max-width: 720px) {
  .bar { flex-wrap: wrap; height: auto; gap: 0 16px; padding-top: 10px; }
  .lang { margin-left: auto; }
  nav.links { order: 3; width: 100%; margin: 0; padding: 10px 0 12px; overflow-x: auto; gap: 22px; white-space: nowrap; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px; border-radius: var(--radius);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: background-color .15s, border-color .15s;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.secondary { background: var(--bg-elevated); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { border-color: var(--text-muted); }
.btn.big { padding: 15px 28px; font-size: 1.08rem; }
.btn:focus-visible, .lang button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Hero */
.hero { padding: 64px 0 0; background: var(--bg-dark); color: #fff; }
/* The screenshot hangs over the edge into the next section. */
.hero + section { padding-top: calc(72px + var(--overhang)); background: var(--bg); }
:root { --overhang: clamp(40px, 14vw, 180px); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.02em; max-width: 820px; }
.hero .lead { margin-top: 18px; max-width: 680px; font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--text-on-dark); }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 32px; }
.cta .alt { color: var(--text-on-dark); font-size: .95rem; }
.cta .alt a { color: #fff; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 18px; font-size: .9rem; color: var(--text-on-dark); }
.facts span::before { content: "✓"; margin-right: 6px; color: #7ee2a8; font-weight: 700; }
.formerly { margin-top: 14px; font-size: .88rem; color: var(--text-on-dark); opacity: .8; }
.shot { position: relative; margin: 48px 0 calc(-1 * var(--overhang)); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .08); }

/* Features */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; }
.card .ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); margin-bottom: 14px; }
.card .ic svg { width: 21px; height: 21px; }
.card p { margin-top: 6px; color: var(--text-muted); font-size: .96rem; }

/* Screenshots */
.gallery { display: grid; gap: 28px; }
figure { margin: 0; }
figure img { border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow); }
figcaption { margin-top: 12px; color: var(--text-muted); font-size: .95rem; }
figcaption b { color: var(--text); }
@media (min-width: 900px) { .gallery.two { grid-template-columns: 1fr 1fr; } }

/* Install */
.alt-bg { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { counter-reset: s; display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.steps li { counter-increment: s; position: relative; padding: 18px 20px 18px 64px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.steps li::before { content: counter(s); position: absolute; left: 20px; top: 17px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: .95rem; }
.steps h3 { margin-bottom: 4px; }
.steps p { color: var(--text-muted); }
.note { margin-top: 12px; padding: 12px 14px; border-radius: var(--radius); background: var(--warning-soft); color: var(--text); font-size: .95rem; }
.note b { color: var(--warning); }
.cols { display: grid; gap: 40px; }
@media (min-width: 900px) { .cols { grid-template-columns: 1.4fr 1fr; } }
.side h3 { margin: 0 0 8px; }
.side + .side { margin-top: 28px; }
.side p, .side li { color: var(--text-muted); }
.side ul { padding-left: 20px; margin: 8px 0 0; }
.dl-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
kbd { font: .85em var(--font); padding: 1px 6px; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; background: var(--bg-elevated); color: var(--text); }

/* Donate */
.donate { text-align: center; }
.donate .heart { width: 52px; height: 52px; margin: 0 auto 18px; color: var(--heart); }
.donate p { max-width: 620px; margin: 14px auto 0; color: var(--text-muted); font-size: 1.08rem; }
.donate .btn { margin-top: 28px; }
.donate .soon { margin-top: 14px; font-size: .9rem; }

/* FAQ */
details { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 0 20px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style-position: outside; }
details p { padding: 0 0 18px; color: var(--text-muted); }
.faq { max-width: 820px; }

footer { padding: 36px 0 48px; color: var(--text-muted); font-size: .92rem; border-top: 1px solid var(--border); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer a { color: inherit; }

/* Studio strip: way back to the IBS home page */
.studio-bar { background: rgba(0, 0, 0, .22); font-size: .8rem; }
.studio-bar .wrap { padding-top: 4px; padding-bottom: 4px; }
.studio-bar a { color: var(--text-on-dark); opacity: .85; text-decoration: none; font-weight: 600; }
.studio-bar a:hover { opacity: 1; text-decoration: underline; }

/* Ad spots (ads.js): filled once, never redrawn */
.ad { margin: 8px auto 32px; text-align: center; min-height: 90px; }
.ad-label { display: block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }

/* Privacy page */
.page-hero { padding: 48px 0 40px; background: var(--bg-dark); color: #fff; }
.page-hero h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); letter-spacing: -.02em; }
.page-hero p { margin-top: 12px; color: var(--text-on-dark); }
.prose { max-width: 720px; padding: 40px 16px 72px; }
.prose h2 { font-size: 1.4rem; margin-top: 36px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin-top: 12px; color: var(--text-muted); font-size: 1.06rem; }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 20px; }