/* Materiały na lekcję — /materialy/
   Kanon AI Expert Lab: granat #0a1a3a, złoto #dbae4a, Poppins.
   Topbar, przyciski i stopka jak w /szkolenia/styles.css, żeby podstrona wyglądała jak reszta serwisu. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0a1a3a;
  --navy-2: #0c2148;
  --gold: #dbae4a;
  --gold-2: #e6bd5e;
  --gold-ink: #8a6413;
  --bg: #f3f5f9;
  --panel: #ffffff;
  --surface: #eef1f6;
  --border: #d9dde6;
  --ink: #1b2233;
  --muted: #4a5263;
  --accent2: #c86e3c;
  --radius: 16px;
  --font: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow: 0 8px 32px rgba(10,26,58,0.08);
  --wrap: 1120px;
  --gutter: clamp(1rem, 5vw, 3rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--accent2); }

section[id] { scroll-margin-top: 84px; }

/* ── TOPBAR (jak na pozostałych podstronach) ── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter);
  height: 68px;
  background: rgba(6,12,24,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(219,174,74,0.18);
}
.topbar-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #f1f5f9; }
.topbar-mark { width: 40px; height: 40px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.topbar-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.topbar-text strong { display: block; font-size: 15px; line-height: 1.2; color: #f1f5f9; }
.topbar-text small { font-size: 11px; color: rgba(255,255,255,0.55); }
.topbar-nav { display: flex; align-items: center; gap: 4px; }
.topbar-nav a {
  padding: 6px 14px; border-radius: 8px; font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.68); text-decoration: none;
  transition: color .2s, background .2s;
}
.topbar-nav a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.topbar-nav a.is-current { color: var(--gold); }

/* ── PRZYCISKI ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px; border-radius: 100px;
  font-family: var(--font); font-weight: 700; font-size: 0.98rem; line-height: 1.2;
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-gold {
  background: var(--gold); color: var(--navy); border-color: var(--gold);
  box-shadow: 0 8px 28px rgba(219,174,74,0.35);
}
.btn-gold:hover { background: var(--gold-2); border-color: var(--gold-2); transform: translateY(-2px); box-shadow: 0 12px 36px rgba(219,174,74,0.45); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-outline-navy { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: #fff; }

/* ── HERO ── */
.hero { background: var(--navy); color: #fff; padding: 112px var(--gutter) 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 55% 80% at 90% 10%, rgba(219,174,74,0.14), transparent 70%), linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
}
.hero-inner { position: relative; max-width: var(--wrap); margin: 0 auto; }
.eyebrow { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.hero h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); font-weight: 800; line-height: 1.05; letter-spacing: -1px; margin-bottom: 16px; }
.lead { font-size: clamp(1rem, 1.6vw, 1.12rem); color: rgba(255,255,255,0.8); max-width: 640px; }
.rodzaje { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 32px; }
.rodzaje li {
  position: relative; display: flex; gap: 12px; align-items: flex-start;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 14px; padding: 14px 16px;
  font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.45;
}
.rodzaje strong { display: block; color: #fff; font-size: 15px; margin-bottom: 2px; }
.r-ikona { font-size: 22px; line-height: 1; margin-top: 2px; }
.r-ile { position: absolute; top: 10px; right: 12px; font-style: normal; font-weight: 800; font-size: 12px; color: var(--navy); background: var(--gold); border-radius: 99px; min-width: 22px; height: 22px; display: grid; place-items: center; padding: 0 6px; }

/* ── LISTA ── */
.lista-wrap { max-width: var(--wrap); margin: 0 auto; padding: 40px var(--gutter) 72px; }
.filtry { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filtry button { font: inherit; font-size: 14px; font-weight: 600; padding: 8px 18px; border-radius: 99px; border: 1.5px solid var(--border); background: #fff; color: var(--ink); cursor: pointer; }
.filtry button[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.lista { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.m { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; scroll-margin-top: 90px; }
.m-media { background: #000; }
.m-media video, .m-media img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #000; }
.m-tresc { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.m-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.m-rodzaj { font-size: 12px; font-weight: 700; color: var(--navy); background: rgba(219,174,74,0.2); border: 1px solid rgba(219,174,74,0.55); border-radius: 99px; padding: 3px 12px; }
.m-okazja { font-size: 12px; font-weight: 600; color: var(--muted); }
.m h2 { font-size: 1.25rem; line-height: 1.25; font-weight: 800; letter-spacing: -0.3px; color: var(--ink); }
.m-opis { font-size: 0.93rem; color: var(--muted); max-width: 62ch; }
.m-pliki { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.btn-sm { padding: 11px 22px; font-size: 0.9rem; }
.m-pow { border-top: 1px solid var(--border); padding-top: 12px; font-size: 0.9rem; }
.m-pow p { font-size: 12px; font-weight: 700; color: var(--muted); margin-bottom: 4px; }
.m-pow ul { list-style: none; }
.m-pow a { color: var(--navy); font-weight: 600; text-decoration-color: var(--gold); text-underline-offset: 3px; text-decoration-thickness: 2px; }
.m-dopisek { font-size: 13px; color: var(--muted); background: #fbf6e6; border-left: 4px solid var(--gold); border-radius: 0 8px 8px 0; padding: 8px 12px; }
/* pierwszy materiał z filmem: szeroko, film obok opisu */
.m-duza { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); }
.m-duza { align-items: center; }
.m-duza .m-media { background: transparent; padding: 22px 0 22px 22px; }
.m-duza video { border-radius: 12px; }
.m-duza h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.lista-pusta { color: var(--muted); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

/* ── DALEJ ── */
.dalej { background: var(--navy); color: #fff; padding: 48px var(--gutter); border-top: 4px solid var(--gold); }
.dalej-inner { max-width: var(--wrap); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.dalej h2 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); font-weight: 800; margin-bottom: 6px; }
.dalej p { color: rgba(255,255,255,0.75); max-width: 560px; font-size: 0.95rem; }

/* ── STOPKA ── */
footer {
  text-align: center; padding: 36px 2rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted); font-size: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
footer strong { color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 22px; justify-content: center; margin: 4px 0 2px; }
.footer-links a {
  color: var(--accent2); text-decoration: none; font-size: 13px; font-weight: 600;
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.footer-links a:hover { border-color: var(--accent2); }

/* ── RESPONSYWNOŚĆ ── */
@media (max-width: 940px) {
  .topbar-nav a { padding: 6px 9px; font-size: 13px; }
  .rodzaje { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .m-duza { grid-template-columns: 1fr; }
  .m-duza .m-media { padding: 0; }
  .m-duza video { border-radius: 0; }
}
@media (max-width: 768px) {
  .topbar-nav { display: none; }
  .hero { padding-top: 96px; }
  .dalej-inner { flex-direction: column; align-items: stretch; text-align: center; }
}
@media (max-width: 480px) {
  .rodzaje { grid-template-columns: 1fr; }
  .lista { grid-template-columns: 1fr; }
  .m-pliki .btn { width: 100%; }
}