/* SOFTDEM Paweł Demus — www.softdem.pl
   Plain CSS, no build step, no web fonts, no tracking. */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --surface: #ffffff;
  --ink: #0e1726;
  --ink-2: #48536a;
  --ink-3: #66728a;
  --line: #e1e6ee;
  --accent: #1f5eff;
  --accent-hover: #1749cc;
  --accent-ink: #ffffff;
  --accent-soft: #eaf0ff;
  --shadow: 0 1px 2px rgba(14, 23, 38, .04), 0 8px 24px rgba(14, 23, 38, .06);
  --radius: 14px;
  --maxw: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1018;
    --bg-soft: #0f1621;
    --surface: #131b28;
    --ink: #e7edf5;
    --ink-2: #aab5c5;
    --ink-3: #8a97ab;
    --line: #233044;
    --accent: #7aa2ff;
    --accent-hover: #9bb9ff;
    --accent-ink: #0b1018;
    --accent-soft: #17223a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: .06em; }
.brand:hover { color: var(--ink); }
.brand svg { width: 32px; height: 32px; flex: none; }
.brand-mark { fill: var(--accent); }
.brand-letter { fill: none; stroke: var(--accent-ink); stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }

.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; font-weight: 600; font-size: 13px; letter-spacing: .04em; color: var(--ink); }
.nav .lang:hover { border-color: var(--ink-3); }

/* Hero */
.hero { padding: 72px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }

.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.2rem); font-weight: 780; }
.lede { margin: 20px 0 0; font-size: 19px; color: var(--ink-2); max-width: 36em; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-weight: 600; font-size: 16px; text-decoration: none; }
.btn:hover { color: var(--ink); border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }

/* Company details card */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.company { padding: 28px 30px; }
.company .label { margin: 0 0 6px; color: var(--ink-3); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.company h2 { font-size: 22px; font-weight: 750; }
.details { display: grid; grid-template-columns: max-content 1fr; gap: 10px 22px; margin: 20px 0 0; font-size: 16px; }
.details dt { color: var(--ink-3); }
.details dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.details a { color: var(--ink); }
.details a:hover { color: var(--accent); }
.mono { font-variant-numeric: tabular-nums; letter-spacing: .02em; }

/* Sections */
.section { padding: 80px 0; border-top: 1px solid var(--line); }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 44em; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.25rem); font-weight: 760; }
.section-head p { margin: 14px 0 0; color: var(--ink-2); font-size: 18px; }
.kicker { display: block; margin-bottom: 10px; color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.feature { padding: 22px 22px 24px; }
.feature svg { width: 36px; height: 36px; padding: 7px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin: 14px 0 6px; font-size: 17px; font-weight: 700; }
.feature p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.55; }

/* Clients */
.clients { columns: 4 200px; column-gap: 28px; margin: 0; padding: 0; list-style: none; font-size: 15px; color: var(--ink-2); }
.clients li { break-inside: avoid; padding: 5px 0; border-bottom: 1px solid var(--line); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact .about p { margin: 0 0 16px; color: var(--ink-2); }
.contact .about p:first-child { color: var(--ink); font-size: 19px; }
.contact-list { margin: 0; padding: 8px 26px; list-style: none; }
.contact-list li { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .k { color: var(--ink-3); font-size: 15px; }
.contact-list .v { overflow-wrap: anywhere; }
.contact-list a { font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 32px 0 40px; font-size: 14px; color: var(--ink-3); }
.site-footer .id { color: var(--ink-2); margin: 0 0 8px; }
.site-footer .id strong { color: var(--ink); }
.site-footer .id span + span::before { content: "·"; margin: 0 .55em; color: var(--ink-3); }
.site-footer .meta { margin: 0; }
.site-footer a { color: inherit; }

/* 404 */
.notfound { padding: 96px 0; }
.notfound h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.notfound p { color: var(--ink-2); max-width: 34em; }

/* Responsive */
@media (max-width: 860px) {
  .hero { padding: 48px 0 48px; }
  .hero .wrap, .contact { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 60px 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav { gap: 16px; }
  .nav .opt { display: none; }
  .lede { font-size: 17px; }
  .company { padding: 22px 20px; }
  .details { grid-template-columns: 1fr; gap: 2px; }
  .details dd { margin-bottom: 10px; }
  .clients { columns: 2; column-gap: 18px; font-size: 14px; }
  .contact-list { padding: 4px 18px; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .site-footer .id span { display: block; }
  .site-footer .id span + span::before { content: none; }
}

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

/* Print: always light, no navigation, company details kept together */
@media print {
  :root {
    --bg: #fff; --bg-soft: #fff; --surface: #fff; --ink: #000; --ink-2: #222; --ink-3: #555;
    --line: #ccc; --accent: #1f5eff; --accent-ink: #fff; --accent-soft: #eaf0ff; --shadow: none;
  }
  body { font-size: 11pt; }
  .nav, .actions, .skip { display: none; }
  .hero { padding: 24px 0; }
  .hero .wrap { grid-template-columns: 1.1fr 1fr; gap: 28px; }
  .section { padding: 22px 0; }
  .section-head { margin-bottom: 16px; break-inside: avoid; break-after: avoid-page; }
  .kicker { break-after: avoid; }
  .section-head + * { break-before: avoid-page; }
  .section-head h2 { font-size: 18pt; }
  .section-head p, .lede { font-size: 11pt; }
  .card, .feature, .contact, .company { break-inside: avoid; }
  .features { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .feature { padding: 10px 12px; }
  .feature svg { display: none; }
  .feature h3 { margin-top: 0; font-size: 10.5pt; }
  .feature p { font-size: 9pt; }
  .clients { columns: 4; font-size: 9pt; }
  .clients li { padding: 1px 0; }
  .contact { grid-template-columns: 1fr 1.25fr; gap: 24px; }
  .contact-list .v { overflow-wrap: normal; }
  #contact, #kontakt { break-inside: avoid; }
  .contact .about p:first-child { font-size: 11pt; }
  .contact-list li { grid-template-columns: 90px 1fr; padding: 8px 0; }
  .site-footer { break-inside: avoid; padding: 16px 0; }
}