/* ============================================
   HOMEPAGE (EN + PL) — two-column layout:
   sticky intro on the left (desktop), content on the right.
   Dark only. Used by index.html and pl/index.html.
   ============================================ */
:root {
  --bg: #0b0d12;
  --bg-2: #10131a;
  --card: #141821;
  --card-2: #191e29;
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.14);
  --text: #eef0f4;
  --text-2: #a7adba;
  --text-3: #868d9c;
  --accent: #5ab0ff;
  --accent-bg: rgba(90, 176, 255, 0.12);
  --radius: 14px;
  --left-w: min(44%, 560px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 72px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-2);
  font: 400 16px/1.65 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { text-wrap: balance; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #04121f; padding: 8px 14px; border-radius: 8px; z-index: 50; font-weight: 600; }
.skip-link:focus { left: 12px; }

/* Soft light that follows the pointer on desktop */
.spot { position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(600px circle at var(--x, 20%) var(--y, 10%), rgba(90, 176, 255, 0.07), transparent 60%); }

.page { position: relative; z-index: 1; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---------- Intro (left column on desktop) ---------- */
.intro { padding: 56px 0 24px; }
.who { display: flex; align-items: center; gap: 16px; }
.avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; object-position: 50% 20%; border: 1px solid var(--border-2); flex: none; }
.intro h1 { margin: 0; color: var(--text); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; font-weight: 700; letter-spacing: -0.02em; }
.role { margin: 6px 0 0; color: var(--text); font-size: 1.125rem; font-weight: 500; }
.pitch { margin: 18px 0 0; max-width: 30rem; }
.stats { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.stats li { border: 1px solid var(--border); background: var(--bg-2); border-radius: 999px; padding: 5px 12px; font-size: 0.85rem; }
.stats b { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; border: 1px solid var(--border-2); color: var(--text); transition: background .2s, border-color .2s; }
.btn:hover { background: var(--card-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #04121f; }
.btn.primary:hover { background: #7cc1ff; }
.btn svg { width: 18px; height: 18px; }

.nav { display: none; margin: 36px 0 0; padding: 0; list-style: none; }
.nav a { display: flex; align-items: center; gap: 14px; padding: 8px 0; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); }
.nav a::before { content: ""; width: 32px; height: 1px; background: currentColor; transition: width .2s; }
.nav a:hover, .nav a.active { color: var(--text); }
.nav a.active::before, .nav a:hover::before { width: 64px; }

.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin: 28px 0 0; }
.social { display: flex; gap: 6px; }
.social a { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; color: var(--text-2); }
.social a:hover { color: var(--text); background: var(--card); }
.social svg { width: 22px; height: 22px; }
.lang { font-size: 0.85rem; color: var(--text-3); }
.lang a { display: inline-block; color: var(--text-2); padding: 10px 4px; }
.lang a:hover { color: var(--text); }
.lang [aria-current] { color: var(--text); font-weight: 600; }
.where { font-size: 0.85rem; color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 0 4px rgba(61, 220, 132, 0.15); flex: none; }

/* ---------- Content (right column) ---------- */
main { padding-bottom: 24px; }
section { padding: 40px 0 0; }
.sec-title { position: sticky; top: 56px; z-index: 3; margin: 0 -24px 18px; padding: 14px 24px; background: rgba(11, 13, 18, 0.85);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: var(--text); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.about p { margin: 0 0 14px; }
.about strong { color: var(--text); font-weight: 600; }

/* Experience rows */
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.row { position: relative; display: grid; grid-template-columns: 1fr; gap: 4px 20px; padding: 16px; margin: 0 -16px; border-radius: var(--radius);
  border: 1px solid transparent; transition: background .2s, opacity .2s, border-color .2s; }
.row .when { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); padding-top: 3px; }
.row h3 { margin: 0; color: var(--text); font-size: 1rem; font-weight: 600; line-height: 1.4; }
.row h3 .co { color: var(--accent); }
.row .prev { display: block; color: var(--text-3); font-size: 0.875rem; font-weight: 400; }
.row p { margin: 8px 0 0; font-size: 0.95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; padding: 0; list-style: none; }
.tags li { font-size: 0.75rem; font-weight: 600; color: var(--accent); background: var(--accent-bg); border-radius: 999px; padding: 3px 10px; }
.earlier { margin: 18px 0 0; padding: 0; list-style: none; font-size: 0.9rem; }
.earlier li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 8px 0; border-top: 1px solid var(--border); }
.earlier .when { color: var(--text-3); font-size: 0.8rem; font-weight: 600; letter-spacing: .04em; }
.more-link { display: inline-flex; align-items: center; gap: 6px; margin: 18px 0 0; color: var(--text); font-weight: 600; min-height: 44px; }
.more-link:hover { color: var(--accent); }

/* Project cards */
.cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.card { position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; transition: border-color .2s; }
.card:hover { border-color: var(--border-2); }
.media { position: relative; height: 230px; display: flex; align-items: flex-end; justify-content: center; overflow: hidden;
  background: radial-gradient(120% 90% at 50% 0%, var(--tint, rgba(90, 176, 255, .18)), transparent 70%), var(--bg-2); border-bottom: 1px solid var(--border); }
.phone { width: 128px; margin-bottom: -40px; padding: 6px; border-radius: 26px; background: #1d222e; border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .45); transition: transform .3s ease; }
.phone img { border-radius: 20px; width: 100%; height: auto; }
.media.wide img { width: 100%; height: 100%; object-fit: cover; }
.media.wide img[src$=".svg"] { object-fit: contain; }
.card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.card h3 { margin: 0; color: var(--text); font-size: 1.05rem; font-weight: 600; }
.badge { font-size: 0.72rem; font-weight: 600; color: var(--text-2); border: 1px solid var(--border-2); border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.card p { margin: 0; font-size: 0.92rem; }
.figure { color: var(--text); font-weight: 600; font-size: 0.9rem; }
.links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: auto; padding-top: 6px; }
.links a { display: inline-flex; align-items: center; min-height: 40px; color: var(--accent); font-weight: 600; font-size: 0.9rem; }
.links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.card.span .media { height: 200px; }

/* More projects */
.mini { list-style: none; margin: 22px 0 0; padding: 0; border-top: 1px solid var(--border); }
.mini li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.mini a { color: var(--text); font-weight: 600; }
.mini a:hover { color: var(--accent); }
.mini .kind { font-size: 0.75rem; color: var(--text-3); text-align: right; white-space: nowrap; padding-top: 3px; }

/* Skills */
.skill-groups { display: grid; gap: 18px; }
.skill-group h3 { margin: 0 0 8px; color: var(--text); font-size: 0.95rem; font-weight: 600; }
.skill-group .tags { margin: 0; }
.skill-group .tags li { color: var(--text-2); background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border); }

/* Writing */
.posts { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.post { display: grid; gap: 2px; padding: 14px 16px; margin: 0 -16px; border-radius: var(--radius); border: 1px solid transparent; transition: background .2s, opacity .2s; }
.post b { color: var(--text); font-weight: 600; }
.post small { color: var(--text-3); font-size: 0.8rem; }

/* Certifications */
.certs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 24px; }
.certs li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.certs b { color: var(--text); font-weight: 600; font-size: 0.95rem; }
.certs span { font-size: 0.85rem; }
.certs .year { color: var(--text-3); font-size: 0.8rem; font-weight: 600; grid-row: 1 / span 2; grid-column: 2; padding-top: 2px; }

/* FAQ */
.faq-list { display: grid; gap: 8px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; min-height: 52px; color: var(--text); font-weight: 600; font-size: 0.95rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex: none; color: var(--text-3); font-size: 1.25rem; line-height: 1; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 16px 16px; font-size: 0.92rem; }

/* Contact */
.contact { margin-top: 8px; padding: 24px; border-radius: 18px; border: 1px solid var(--border-2);
  background: radial-gradient(100% 140% at 0% 0%, rgba(139, 124, 246, .16), transparent 60%), var(--card); }
.contact h3 { margin: 0 0 6px; color: var(--text); font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; }
.contact p { margin: 0; }
.contact .cta { margin-top: 18px; }
.contact .btn { max-width: 100%; }
.facts { margin: 16px 0 0 !important; font-size: 0.85rem; color: var(--text-3); }

/* Footer */
.site-footer { margin-top: 48px; padding: 24px 0 72px; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-3); }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0 0 12px; padding: 0; list-style: none; }
.footer-links a { display: inline-flex; align-items: center; min-height: 36px; color: var(--text-2); }
.footer-links a:hover { color: var(--text); }
.site-footer p { margin: 4px 0; }

/* Phone: sticky mini header after the intro scrolls away */
.minibar { position: fixed; top: 0; left: 0; right: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 16px; background: rgba(11, 13, 18, 0.92); border-bottom: 1px solid var(--border); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transform: translateY(-110%); transition: transform .25s ease; }
.minibar.show { transform: none; }
.minibar b { color: var(--text); font-weight: 600; font-size: 0.95rem; }
.minibar .btn { min-height: 40px; padding: 0 14px; font-size: 0.85rem; }

/* ---------- Wider screens ---------- */
@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card.span { grid-column: 1 / -1; }
  .row { grid-template-columns: 130px minmax(0, 1fr); }
  .certs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 28px; }
}
@media (min-width: 1024px) {
  .page { display: grid; grid-template-columns: var(--left-w) minmax(0, 1fr); gap: 64px; padding: 0 48px; }
  .intro { position: sticky; top: 0; height: 100vh; height: 100dvh; display: flex; flex-direction: column; padding: 80px 0 40px; overflow-y: auto; }
  .nav { display: block; }
  .meta { margin-top: auto; }
  main { padding-top: 56px; }
  section:first-child { padding-top: 24px; }
  .sec-title { position: static; background: none; -webkit-backdrop-filter: none; backdrop-filter: none; margin: 0 0 18px; padding: 0; }
  .minibar { display: none; }
  html { scroll-padding-top: 24px; }
}
/* Small laptops: the right column is ~450px, so one card per row */
@media (min-width: 1024px) and (max-width: 1180px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
  .row { grid-template-columns: 100px minmax(0, 1fr); }
}
/* Short laptop screens (768px high): the intro must fit without its own scrollbar */
@media (min-width: 1024px) and (max-height: 860px) {
  .intro { padding: 44px 0 24px; scrollbar-width: none; }
  .intro::-webkit-scrollbar { display: none; }
  .pitch { margin-top: 14px; }
  .stats { margin-top: 14px; }
  .cta { margin-top: 18px; }
  .nav { margin-top: 22px; }
  .nav a { padding: 5px 0; }
  .meta { margin-top: 18px; }
}
@media (hover: hover) and (min-width: 1024px) {
  .card:hover .phone { transform: translateY(-8px); }
  .list:hover .row, .posts:hover .post { opacity: 0.5; }
  .list .row:hover, .posts .post:hover { opacity: 1; background: rgba(255, 255, 255, 0.03); border-color: var(--border); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}