/* TheInfoBin home page. Open and airy: white pages alternating with soft sky
   bands, a deep-blue brand and a single sunny accent for optimism. */
:root {
  --bg: #ffffff;
  --band: #eef5f9;
  --panel: #ffffff;
  --ink: #0f1b22;
  --muted: #56666f;
  --line: #dce4e8;
  --brand: #155e8c;
  --brand-hover: #0f4b72;
  --on-brand: #ffffff;
  --sun: #f4b63f;
  --sun-soft: #fde4a6;
  --up: #0c7a47;
  --down: #c23a2e;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1418;
    --band: #10212a;
    --panel: #132027;
    --ink: #e5edf0;
    --muted: #93a5ae;
    --line: #243540;
    --brand: #6fb6e4;
    --brand-hover: #94c9ec;
    --on-brand: #0c1418;
    --sun: #f4b63f;
    --sun-soft: rgba(244, 182, 63, 0.3);
    --up: #45c486;
    --down: #f2766c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--brand); }
a:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
h1, h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0; }

.ib-wrap {
  max-width: 1120px;
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* Header */
.ib-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.ib-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.ib-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; }
.ib-mark-svg { width: 30px; height: 30px; flex: none; }
.ib-mark-box { fill: var(--brand); }
.ib-mark-line { fill: var(--on-brand); }
.ib-mark-dot { fill: var(--sun); }
.ib-nav { display: flex; gap: 4px 20px; flex-wrap: wrap; }
.ib-nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; padding-block: 4px; }
.ib-nav a:hover { color: var(--ink); }

/* Shared */
.ib-eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); }
.ib-section { padding-block: 72px; }
.ib-band { background: var(--band); }
.ib-section-head { display: grid; gap: 10px; max-width: 44rem; margin-bottom: 36px; }
.ib-section-head h2, .ib-featured h2, .ib-about h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; }
.ib-section-note { color: var(--muted); }
.ib-small { font-size: 0.85rem; color: var(--muted); }
.ib-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.ib-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.ib-btn:hover { border-color: var(--brand); }
.ib-btn-primary { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.ib-btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); }

/* Hero */
.ib-hero { padding-block: 72px 80px; }
.ib-hero-inner { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr); gap: 48px; align-items: center; }
.ib-hero-copy { display: grid; gap: 22px; }
.ib-hero h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); line-height: 1.08; }
.ib-highlight { background: linear-gradient(transparent 62%, var(--sun-soft) 62%); padding-inline: 2px; }
.ib-lede { font-size: 1.15rem; color: var(--muted); max-width: 36rem; }

.ib-live {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 16px;
  box-shadow: 0 18px 40px -28px rgba(15, 27, 34, 0.35);
  min-width: 0;
}
.ib-live-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ib-live-head h2 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; letter-spacing: 0; }
.ib-pill { font-size: 0.75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--band); color: var(--muted); }
.ib-pill.is-live { color: var(--up); }
.ib-pill.is-live::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: currentColor; margin-right: 6px; vertical-align: 1px; }
.ib-live-main { display: grid; gap: 2px; font-variant-numeric: tabular-nums; }
.ib-live-label { font-size: 0.85rem; color: var(--muted); }
.ib-live-value { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 600; line-height: 1.1; }
.ib-live-change { font-weight: 600; }
.ib-live-list { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--line); }
.ib-live-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; font-size: 0.95rem; }
.ib-live-list li span:first-child { color: var(--muted); }
.ib-live-time { font-size: 0.82rem; color: var(--muted); }
.ib-live-link { font-weight: 600; text-decoration: none; }
.ib-live-link:hover { text-decoration: underline; }
.is-up { color: var(--up); }
.is-down { color: var(--down); }

/* Principles */
.ib-principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.ib-principle { display: grid; gap: 8px; align-content: start; padding-top: 16px; border-top: 3px solid var(--sun); }
.ib-principle p { color: var(--muted); }

/* Featured */
.ib-featured { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.ib-featured-copy { display: grid; gap: 16px; }
.ib-featured-copy > p:not(.ib-eyebrow):not(.ib-small) { color: var(--muted); font-size: 1.05rem; max-width: 36rem; }
.ib-feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ib-feature-list li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--muted);
}
.ib-feature-list b { color: var(--ink); font-weight: 600; }

/* Section cards */
.ib-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ib-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
}
.ib-card p { color: var(--muted); }
.ib-card-live { border-color: var(--brand); box-shadow: inset 0 3px 0 var(--brand); }
.ib-card-live:hover { background: var(--band); }
.ib-card-cta { color: var(--brand); font-weight: 600; margin-top: 4px; }
.ib-tag { justify-self: start; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; background: var(--band); color: var(--muted); }
.ib-tag-live { background: var(--brand); color: var(--on-brand); }

/* About */
.ib-about { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 48px; }
.ib-about-copy { display: grid; gap: 14px; max-width: 40rem; font-size: 1.05rem; }

/* Footer */
.ib-footer { border-top: 1px solid var(--line); padding-block: 40px; }
.ib-footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: start; }
.ib-footer-brand { display: grid; gap: 8px; }
.ib-footer-brand p, .ib-footer-note, .ib-footer-copy { color: var(--muted); font-size: 0.9rem; }
.ib-footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.ib-footer-nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.ib-footer-nav a:hover { color: var(--brand); }
.ib-footer-note { grid-column: 1 / -1; max-width: 44rem; }
.ib-footer-copy { grid-column: 1 / -1; }

/* Narrow screens */
@media (max-width: 960px) {
  .ib-principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ib-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .ib-hero-inner, .ib-featured, .ib-about { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .ib-hero { padding-block: 48px 56px; }
  .ib-section { padding-block: 56px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .ib-header-inner { padding-block: 10px; row-gap: 4px; }
  .ib-nav { gap: 4px 18px; }
  .ib-hero { padding-block: 32px 48px; }
  .ib-hero-copy { gap: 18px; }
  .ib-actions .ib-btn { flex: 1 1 100%; }
  .ib-live { padding: 20px; }
  .ib-section { padding-block: 48px; }
  .ib-section-head { margin-bottom: 28px; }
  .ib-principles, .ib-cards { grid-template-columns: minmax(0, 1fr); }
  .ib-footer-inner { grid-template-columns: minmax(0, 1fr); }
}