/* Landing page — strona startowa kursu */

:root {
  --orange: #ea7600;
  --orange-soft: #ffb46b;
  --bg: #0a0a0a;
  --card: #141414;
  --card-hover: #1a1a1a;
  --border: #2a2a2a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: #e8e8e8;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px; margin: 0 auto; padding: 0 1.4rem 4rem;
}

/* Hero */
.hero {
  position: relative;
  background-size: cover; background-position: center;
  padding: 6rem 2rem 4rem;
  margin: 0 -2rem 2.5rem;
  border-bottom: 3px solid var(--orange);
}
.hero-content {
  max-width: 1100px; margin: 0 auto; padding: 0 1rem;
}
.hero-school {
  color: #ccc; font-size: 0.85rem; letter-spacing: 0.15em;
  text-transform: uppercase; margin: 0 0 0.6em; font-weight: 600;
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.6rem); margin: 0 0 0.3em;
  font-weight: 800; color: var(--orange); letter-spacing: -0.02em;
  text-shadow: 0 4px 30px rgba(0,0,0,.7);
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: #fff; margin: 0 0 1.4em;
  text-shadow: 0 2px 14px rgba(0,0,0,.7);
}
.hero-subtitle .accent { color: var(--orange); font-weight: 700; }
.hero-meta {
  color: #ccc; font-size: 0.95rem; margin: 0;
  text-shadow: 0 2px 10px rgba(0,0,0,.7);
}

/* Intro */
.intro {
  font-size: 1.05rem; max-width: 800px; margin: 0 auto 3rem;
  text-align: center; color: #ccc; padding: 0 1rem;
}
.intro strong { color: var(--orange-soft); }

/* Section title */
.section-title {
  font-size: 1.6rem; margin: 2rem 0 1rem;
  font-weight: 700; color: var(--orange);
  text-align: center; letter-spacing: -0.01em;
}

/* Cards grid */
.grid-cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem; margin-bottom: 3rem;
}
@media (max-width: 720px) {
  .grid-cards { grid-template-columns: 1fr; }
}

.card {
  display: block; padding: 1.6rem 1.8rem;
  background: var(--card); border: 1px solid var(--border);
  border-left: 4px solid var(--orange);
  border-radius: 8px; color: #e8e8e8;
  transition: all 0.18s ease;
  position: relative; overflow: hidden;
}
.card:hover {
  background: var(--card-hover); transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(234,118,0,0.15);
  text-decoration: none;
}
.card.primary {
  background: linear-gradient(135deg, #1f1300 0%, #1a1a1a 100%);
  border-left-color: var(--orange);
}
.card.teacher { border-left-color: #5fa8e8; }
.card.teacher:hover { box-shadow: 0 8px 28px rgba(95,168,232,0.15); }

.card-icon { font-size: 2.6rem; margin-bottom: 0.4rem; }
.card h3 {
  margin: 0 0 0.4em; font-size: 1.3rem; font-weight: 700;
  color: var(--orange);
}
.card.teacher h3 { color: #5fa8e8; }
.card p {
  margin: 0 0 1em; color: #bbb; font-size: 0.95rem; line-height: 1.5;
}
.card-action {
  display: inline-block; font-size: 0.85rem; font-weight: 700;
  color: var(--orange); letter-spacing: 0.05em;
}
.card.teacher .card-action { color: #5fa8e8; }
.card:hover .card-action { transform: translateX(2px); }

/* Lessons grid */
.lessons-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-bottom: 3rem;
}
@media (max-width: 900px) { .lessons-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .lessons-grid { grid-template-columns: 1fr; } }

.lesson {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 6px; padding: 1.2rem 1.4rem;
  position: relative;
}
.lesson .num {
  font-size: 0.85rem; font-weight: 800; letter-spacing: 0.15em;
  color: var(--orange); margin-bottom: 0.3em; display: block;
}
.lesson h4 {
  margin: 0 0 0.3em; font-size: 1.05rem; color: #fff; font-weight: 700;
}
.lesson p { margin: 0; color: #aaa; font-size: 0.85rem; line-height: 1.4; }
.lesson .time {
  position: absolute; top: 1.2rem; right: 1.4rem;
  color: #666; font-size: 0.78rem; font-weight: 600;
}

/* CTA */
.cta {
  text-align: center; padding: 3rem 1rem;
  background: linear-gradient(135deg, #1a0c00 0%, #0a0a0a 100%);
  border-radius: 12px; border: 1px solid var(--border);
  margin: 3rem 0;
}
.cta h2 { font-size: 1.8rem; margin: 0 0 0.4em; color: var(--orange); }
.cta p { color: #bbb; font-size: 1rem; margin: 0 0 1.5em; }
.cta-buttons {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
}

.btn {
  display: inline-block; padding: 0.8em 1.4em;
  background: #1a1a1a; color: #fff; border: 1px solid var(--border);
  border-radius: 6px; font-weight: 700; font-size: 0.95rem;
  transition: all 0.15s; text-decoration: none;
}
.btn:hover { background: #2a2a2a; text-decoration: none; }
.btn.primary { background: var(--orange); color: #111; border-color: var(--orange); }
.btn.primary:hover { filter: brightness(1.08); }

/* Footer */
.site-footer {
  text-align: center; padding: 2rem 1rem 0;
  border-top: 1px solid #1a1a1a; color: #777; font-size: 0.85rem;
}
.site-footer p { margin: 0.4em 0; }
.site-footer .muted { color: #555; font-size: 0.78rem; }
.site-footer a { color: #888; }

/* Page lang switcher (re-used from deck) */
.page-lang {
  position: fixed; top: 12px; left: 14px; z-index: 999;
  display: flex; gap: 0; background: #1a1a1a; border: 1px solid #333;
  border-radius: 6px; overflow: hidden; font-family: 'Inter', sans-serif;
  box-shadow: 0 2px 12px rgba(0,0,0,.6);
}
.page-lang .label {
  padding: 6px 10px; color: #555; font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; align-self: center; border-right: 1px solid #333;
}
.page-lang a {
  background: transparent; color: #888; padding: 6px 12px;
  font-weight: 700; font-size: 11px; letter-spacing: 0.1em;
  text-decoration: none; transition: color 0.15s, background 0.15s;
}
.page-lang a:hover { color: #ccc; background: #222; text-decoration: none; }
.page-lang a.active { background: var(--orange); color: #111; pointer-events: none; }
@media (max-width: 768px) {
  .page-lang { top: 8px; left: 8px; }
  .page-lang .label { display: none; }
  .page-lang a { padding: 8px 10px; min-height: 44px; }
}