/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-darkest: #050f0a;
  --bg-dark: #0a2e1a;
  --bg-medium: #1a4a2e;
  --bg-card: #1a3a2a;
  --gold: #c8a96e;
  --gold-dim: rgba(200, 169, 110, 0.3);
  --text-light: #d4d4c8;
  --text-muted: #8fbc8f;
  --font-heading: 'Crimson Text', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-darkest);
  color: var(--text-light);
  line-height: 1.7;
}

/* === Language Toggle === */
body[data-lang="cz"] .lang-en { display: none; }
body[data-lang="en"] .lang-cz { display: none; }

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 15, 10, 0.8);
  backdrop-filter: blur(10px);
  transition: background 0.3s;
}
.navbar.scrolled { background: rgba(5, 15, 10, 0.95); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--gold); }

.lang-toggle {
  background: transparent;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  padding: 4px 14px;
  border-radius: 16px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-body);
  transition: background 0.3s;
}
.lang-toggle:hover { background: rgba(200, 169, 110, 0.1); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: transform 0.3s;
}

/* === Section base === */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
}

/* === Scroll animation === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(5, 15, 10, 0.95);
    flex-direction: column;
    padding: 16px 24px;
    gap: 12px;
  }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
}

/* === Hero === */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('../images/hero-forest.png') center/cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,15,10,0.6) 0%, rgba(5,15,10,0.4) 50%, rgba(5,15,10,0.8) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 0 24px; }
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 6px;
  text-shadow: 0 0 40px rgba(200,169,110,0.3);
  margin-bottom: 16px;
}
.hero-subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-light);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero-cta {
  display: inline-block;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  padding: 12px 36px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 1px;
  transition: background 0.3s, transform 0.3s;
}
.hero-cta:hover { background: rgba(200,169,110,0.15); transform: translateY(-2px); }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold);
  opacity: 0.4;
  font-size: 1.2rem;
  animation: bounce 2s infinite;
  z-index: 1;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* === About === */
.about { background: var(--bg-darkest); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); margin-bottom: 24px; }
.about-text p { margin-bottom: 16px; color: var(--text-light); opacity: 0.9; }
.about-audience { font-style: italic; color: var(--gold); opacity: 0.8; margin-top: 8px; }
.about-image { display: flex; justify-content: center; }
.about-image img { max-width: 100%; height: auto; border-radius: 50%; box-shadow: 0 0 60px rgba(200,169,110,0.15); }
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-image { order: -1; }
  .about-image img { max-width: 250px; }
}

/* === World === */
.world { background: var(--bg-dark); max-width: 100%; padding: 100px 24px; }
.world h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); text-align: center; margin-bottom: 16px; }
.world-intro { text-align: center; max-width: 700px; margin: 0 auto 48px; color: var(--text-muted); }
.realm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto; }
.realm-card { background: var(--bg-card); border-radius: 12px; padding: 28px; border-left: 3px solid var(--accent); transition: transform 0.3s, box-shadow 0.3s; }
.realm-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.realm-card h3 { font-family: var(--font-heading); font-size: 1.3rem; color: var(--gold); margin-bottom: 8px; }
.realm-card p { font-size: 0.9rem; color: var(--text-muted); }
@media (max-width: 1024px) { .realm-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .realm-grid { grid-template-columns: 1fr; } }

/* === Creatures === */
.creatures { background: var(--bg-darkest); }
.creatures h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); text-align: center; margin-bottom: 48px; }
.creature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.creature-card { background: var(--bg-card); border-radius: 16px; padding: 36px 28px; text-align: center; border: 1px solid rgba(200,169,110,0.1); transition: transform 0.3s, border-color 0.3s; }
.creature-card:hover { transform: translateY(-4px); border-color: var(--gold-dim); }
.creature-icon { font-size: 3rem; margin-bottom: 16px; }
.creature-card h3 { font-family: var(--font-heading); font-size: 1.5rem; color: var(--gold); margin-bottom: 4px; }
.creature-role { font-size: 0.95rem; color: var(--gold); opacity: 0.7; font-style: italic; margin-bottom: 8px; }
.creature-ancestors { font-size: 0.8rem; color: var(--text-muted); opacity: 0.6; margin-bottom: 16px; }
.creature-card > p:last-of-type { color: var(--text-light); opacity: 0.85; font-size: 0.9rem; }
@media (max-width: 1024px) { .creature-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; } }

/* === Preview === */
.preview { background: var(--bg-dark); max-width: 100%; padding: 100px 24px; }
.preview h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); text-align: center; margin-bottom: 48px; }
.preview-quote { max-width: 700px; margin: 0 auto; padding: 40px; border-left: 3px solid var(--gold-dim); background: rgba(200,169,110,0.03); border-radius: 0 12px 12px 0; }
.preview-quote p { font-family: var(--font-heading); font-size: 1.15rem; line-height: 1.9; color: var(--text-light); margin-bottom: 20px; }
.preview-quote p:last-child { margin-bottom: 0; }

/* === Reviews === */
.reviews { background: var(--bg-darkest); }
.reviews h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); text-align: center; margin-bottom: 48px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.review-card { background: var(--bg-card); border-radius: 12px; padding: 32px; border-top: 3px solid var(--gold-dim); }
.review-text { font-family: var(--font-heading); font-size: 1.05rem; line-height: 1.8; color: var(--text-light); margin-bottom: 16px; font-style: italic; }
.review-author { color: var(--gold); font-size: 0.9rem; opacity: 0.8; }
@media (max-width: 1024px) { .review-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; } }

/* === Buy === */
.buy { background: linear-gradient(135deg, var(--bg-darkest), #1a1a0a); max-width: 100%; padding: 100px 24px; text-align: center; }
.buy-content { max-width: 600px; margin: 0 auto; }
.buy h2 { font-family: var(--font-heading); font-size: 2.4rem; color: var(--gold); margin-bottom: 16px; }
.buy-description { color: var(--text-light); margin-bottom: 36px; font-size: 1.1rem; }
.buy-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.buy-btn { display: inline-block; padding: 14px 32px; border-radius: 30px; text-decoration: none; font-size: 1rem; font-weight: 600; letter-spacing: 0.5px; transition: transform 0.3s, box-shadow 0.3s; }
.buy-btn-primary { background: var(--gold); color: var(--bg-darkest); }
.buy-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,169,110,0.3); }
.buy-alt { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 12px; }
.buy-alt a { color: var(--gold); text-decoration: underline; }
.buy-note { color: var(--text-muted); font-size: 0.8rem; opacity: 0.7; }

/* === Author === */
.author { background: var(--bg-darkest); text-align: center; }
.author-content { max-width: 600px; margin: 0 auto; }
.author h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--gold); margin-bottom: 24px; }
.author p { color: var(--text-light); opacity: 0.9; font-size: 1.05rem; }

/* === Footer === */
.footer { background: var(--bg-darkest); border-top: 1px solid rgba(200,169,110,0.1); padding: 40px 24px; text-align: center; }
.footer-logo { font-family: var(--font-heading); font-size: 1.3rem; color: var(--gold); letter-spacing: 2px; margin-bottom: 8px; }
.footer p { color: var(--text-muted); font-size: 0.85rem; }