/* abaranov.info — same Modus Operandi / Vivendi palette as the Avisto and Menuvite sites. */
:root {
  --bg: #f2f2f2;
  --surface: #ffffff;
  --border: #c4c4c4;
  --text: #000000;
  --muted: #595959;
  --primary: #0031a9;
  --primary-solid: #0031a9;
  --primary-soft: rgba(0, 49, 169, 0.1);
  --primary-hover: rgba(0, 49, 169, 0.18);
  --on-primary: #ffffff;
  --danger: #a60000;
  --danger-soft: rgba(166, 0, 0, 0.1);
  --success: #006800;
  --success-soft: rgba(0, 104, 0, 0.15);
  --warning: #6f5500;
  --warning-soft: rgba(111, 85, 0, 0.15);
  --star: #b57f00;
  --header-bg: rgba(242, 242, 242, 0.92);
  --phone-frame: #14181f;
  --island: #14181f;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-phone: 0 14px 30px rgba(0, 0, 0, 0.16);
  --radius: 12px;
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --surface: #1e1e1e;
    --border: #535353;
    --text: #dcdcdc;
    --muted: #989898;
    --primary: #2fafff;
    --primary-solid: #2544bb;
    --primary-soft: rgba(47, 175, 255, 0.1);
    --primary-hover: rgba(47, 175, 255, 0.18);
    --on-primary: #ededed;
    --danger: #ff5f59;
    --danger-soft: rgba(255, 95, 89, 0.12);
    --success: #44bc44;
    --success-soft: rgba(68, 188, 68, 0.15);
    --warning: #d0bc00;
    --warning-soft: rgba(208, 188, 0, 0.15);
    --star: #e0b000;
    --header-bg: rgba(0, 0, 0, 0.92);
    --phone-frame: #3a3a3a;
    --island: #000000;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-phone: 0 14px 30px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
a:focus-visible, summary:focus-visible, .btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 8px; }
img, svg { max-width: 100%; }

.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; z-index: 10; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: var(--header-bg); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
.brand-mark { width: 56px; height: 56px; display: block; }
.nav { display: flex; align-items: center; gap: 20px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--text); }
.nav .lang { border: 1px solid var(--border); border-radius: 20px; padding: 2px 12px; background: var(--surface); }
@media (max-width: 720px) { .nav .hide-sm { display: none; } }

/* Buttons — tinted pills, like the app */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 44px; padding: 0 20px; border-radius: 22px; font-weight: 700; font-size: 15px; text-decoration: none; background: var(--primary-soft); color: var(--primary); }
.btn:hover { background: var(--primary-hover); }
.btn.solid { background: var(--primary-solid); color: var(--on-primary); }
.btn.solid:hover { filter: brightness(1.1); }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero h1 { max-width: 16em; }
.eyebrow { display: inline-block; background: var(--primary-soft); color: var(--text); font-size: 16px; font-weight: 600; padding: 4px 14px; border-radius: 10px; margin-bottom: 20px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.6vw, 34px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 20px; margin: 0 0 6px; }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
section { padding: 48px 0; }
section[id] { scroll-margin-top: 40px; } /* sticky header is 76px; sections have 48px top padding */
.section-head { max-width: 40em; margin-bottom: 28px; }
.section-head p { color: var(--muted); margin: 0; font-size: 18px; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .grid.two { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-card); }
.card p { margin: 8px 0 0; color: var(--muted); }
.app { display: flex; flex-direction: column; align-items: flex-start; }
.app-head { display: flex; align-items: center; gap: 14px; margin-bottom: 4px; }
.app-icon { width: 56px; height: 56px; border-radius: 14px; display: block; flex: none; }
.app-head h3 { margin: 0; }
.status { display: inline-block; background: var(--primary-soft); color: var(--text); font-size: 12px; font-weight: 600; padding: 1px 10px; border-radius: 8px; margin-top: 4px; }
.app .btn { margin-top: 16px; }
.app ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.card.plain { box-shadow: none; }

.principles { background: var(--surface); border-block: 1px solid var(--border); }
.principles ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.principles li { display: flex; gap: 10px; align-items: flex-start; }
.principles li::before { content: "✓"; color: var(--success); font-weight: 700; }

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 24px; margin: 16px 0 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }

/* Footer */
.site-footer { padding: 40px 0 56px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
.site-footer .row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.legal-note { margin-top: 20px; font-size: 12px; max-width: 60em; }

/* Long-form pages (contact, privacy) */
.doc { padding: 48px 0 24px; max-width: 760px; }
.doc h1 { font-size: clamp(30px, 4.5vw, 40px); }
.doc h2 { font-size: 22px; margin-top: 36px; }
.doc .updated { color: var(--muted); font-size: 14px; }
.doc ul { padding-left: 20px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--primary-soft); color: var(--primary); border-radius: 6px; padding: 1px 6px; }