/* WorldOfFiction LLC — Единый дизайн-фреймворк сайта
   Структура: BASE → LAYOUT → COMPONENTS → SECTIONS/PAGES
   Colors: #05070F, #0D1326, #111C44, #00E5FF, #8A2EFF, #4CFFB2
   Fonts: Orbitron (display), Rajdhani (body)
*/
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;500;700&display=swap');

/* ========== BASE: reset, typography, colors, body ========== */

:root {
  --bg-deep: #05070F;
  --bg-secondary: #0D1326;
  --bg-panel: #111C44;
  --accent-ai: #00E5FF;
  --accent-space: #8A2EFF;
  --accent-system: #4CFFB2;
  --text-primary: #FFFFFF;
  --text-secondary: #A8B0C3;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-ai);
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-ai);
}

a {
  color: var(--accent-ai);
  text-decoration: none;
  transition: color 0.2s, box-shadow 0.2s;
}
a:hover { color: var(--accent-system); }

/* ========== LAYOUT: header, footer, main ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(5, 7, 15, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.site-header::before,
.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--accent-ai);
  border-top: none;
  opacity: 0.7;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}
.site-header::before { left: 1rem; border-right: none; }
.site-header::after { right: 1rem; border-left: none; }

.site-header .logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
}

.site-header nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.site-header nav a {
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.site-header nav a:hover { color: var(--accent-ai); }
.site-header nav .nav-ext { opacity: 0.8; font-size: 0.85em; }

/* Language switcher (default: EN) */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.lang-switcher .lang-opt {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.2rem 0.4rem;
}
.lang-switcher .lang-opt:hover { color: var(--accent-ai); }
.lang-switcher .lang-opt.active { color: var(--accent-ai); }
.lang-switcher .lang-sep { color: var(--text-secondary); opacity: 0.6; }
/* Show/hide by language (5: en, ru, es, de, zh) */
[data-lang="ru"],
[data-lang="es"],
[data-lang="de"],
[data-lang="zh"] { display: none; }
body.lang-ru [data-lang="en"] { display: none; }
body.lang-ru [data-lang="ru"] { display: inline; }
body.lang-ru [data-lang="ru"].block { display: block; }
body.lang-es [data-lang="en"],
body.lang-es [data-lang="ru"],
body.lang-es [data-lang="de"],
body.lang-es [data-lang="zh"] { display: none; }
body.lang-es [data-lang="es"] { display: inline; }
body.lang-es [data-lang="es"].block { display: block; }
body.lang-de [data-lang="en"],
body.lang-de [data-lang="ru"],
body.lang-de [data-lang="es"],
body.lang-de [data-lang="zh"] { display: none; }
body.lang-de [data-lang="de"] { display: inline; }
body.lang-de [data-lang="de"].block { display: block; }
body.lang-zh [data-lang="en"],
body.lang-zh [data-lang="ru"],
body.lang-zh [data-lang="es"],
body.lang-zh [data-lang="de"] { display: none; }
body.lang-zh [data-lang="zh"] { display: inline; }
body.lang-zh [data-lang="zh"].block { display: block; }

/* Legal pages: section headings */
.legal-content { max-width: 52em; }
.legal-content h2 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; color: var(--accent-ai); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { margin-bottom: 0.75rem; }
.legal-content ul { margin: 0.5rem 0 0.75rem 1.25rem; padding: 0; }

/* Main content offset for fixed header */
main { padding-top: 70px; min-height: 100vh; }

/* ========== COMPONENTS: buttons, panels, cards, menus ========== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: var(--accent-ai);
  border: 2px solid var(--accent-ai);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn:hover {
  background: var(--accent-ai);
  color: var(--bg-deep);
  box-shadow: 0 0 25px var(--accent-ai);
}

.btn-secondary {
  border-color: var(--accent-space);
  color: var(--accent-space);
}
.btn-secondary:hover {
  background: var(--accent-space);
  color: var(--text-primary);
  box-shadow: 0 0 25px var(--accent-space);
}

/* Hero */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-deep) 70%);
  position: relative;
  overflow: hidden;
}

/* Hero — game studio level (space/cosmic background) */
.hero-studio { min-height: 90vh; }
.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 20%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 70% 80%, rgba(138, 46, 255, 0.06) 0%, transparent 45%),
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.4) 0%, transparent 0%),
    radial-gradient(1px 1px at 80% 70%, rgba(255,255,255,0.3) 0%, transparent 0%),
    radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.5) 0%, transparent 0%);
  background-size: 100% 100%, 100% 100%, 200px 200px, 180px 220px, 150px 150px;
  pointer-events: none;
}
.hero-studio .hero-title-main {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 40px rgba(0, 229, 255, 0.6);
  color: var(--text-primary);
  position: relative;
}
.hero-studio .hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  letter-spacing: 0.2em;
  color: var(--accent-ai);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
}
.hero-studio .hero-desc {
  max-width: 720px;
  font-size: 1.1rem;
  color: var(--accent-ai);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}
.hero-studio .hero-desc-sub {
  max-width: 640px;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.btn-primary {
  border-color: var(--accent-ai);
  color: var(--accent-ai);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}
.btn-primary:hover { box-shadow: 0 0 35px var(--accent-ai); }
.btn-ghost {
  border-color: rgba(255,255,255,0.3);
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--accent-ai); border-color: var(--accent-ai); }
.trailer-placeholder { min-height: 120px; }

/* Hero/visual placeholders for images (per main engineer spec) */
.hero-visual-placeholder {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 229, 255, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse 60% 40% at 80% 20%, rgba(138, 46, 255, 0.05) 0%, transparent 45%);
  pointer-events: none;
}
.hero-nav { margin-top: 1rem; font-size: 0.95rem; }
.hero-nav a { margin: 0 0.5rem; }
.visual-placeholder {
  height: 200px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(138, 46, 255, 0.06));
  border: 1px dashed rgba(0, 229, 255, 0.3);
  border-radius: 4px;
}

/* Dynamic grid + neural ambient */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  animation: gridPulse 8s ease-in-out infinite;
}
@keyframes gridPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(138, 46, 255, 0.04) 50%, transparent 60%);
  pointer-events: none;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  text-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
  color: var(--text-primary);
  position: relative;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: 1rem;
  position: relative;
}
.hero .hero-sub { font-size: 1.35rem; color: var(--accent-ai); margin-bottom: 1.5rem; }
.hero .hero-btns { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.hero .btn { margin: 0 0.5rem; }

.content-list {
  list-style: none;
  color: var(--text-secondary);
  margin: 1rem 0;
  padding-left: 0;
}
.content-list li { margin: 0.5rem 0; padding-left: 1.5rem; position: relative; }
.content-list li::before { content: '—'; position: absolute; left: 0; color: var(--accent-ai); }
.panel-title { font-family: var(--font-display); color: var(--accent-ai); margin-bottom: 0.5rem; font-size: 1.1rem; }

/* ========== SECTIONS & PAGES ========== */
.section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--accent-ai);
  text-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 0.5rem;
}
.section h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-ai), transparent);
  box-shadow: 0 0 10px var(--accent-ai);
}

.section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Glass panels + Neural lines (HUD / holographic) */
.hud-panel {
  position: relative;
  background: rgba(17, 28, 68, 0.5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 4px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.08), inset 0 0 60px rgba(0, 229, 255, 0.02);
}
/* Neural corner accents */
.hud-panel::before,
.hud-panel::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--accent-ai);
  border-style: solid;
  border-width: 0 0 2px 2px;
  left: 12px;
  bottom: 12px;
  opacity: 0.6;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}
.hud-panel::after {
  left: auto;
  right: 12px;
  bottom: 12px;
  border-width: 0 2px 2px 0;
}
.glow-text {
  text-shadow: 0 0 10px var(--accent-ai), 0 0 20px rgba(138, 46, 255, 0.5);
}

.tech-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.tech-card { padding: 1.5rem; margin-bottom: 0; }
.tech-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent-ai);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}
.tech-card p { margin-bottom: 0; font-size: 0.95rem; }
.game-vision-list { margin: 1rem 0; }

/* Footer — HUD-style */
.site-footer {
  position: relative;
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(0, 229, 255, 0.3);
  background: rgba(13, 19, 38, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  font-size: 0.9rem;
  box-shadow: 0 -4px 30px rgba(0, 229, 255, 0.05);
}
.site-footer a { color: var(--accent-ai); }
.site-footer a:hover { color: var(--accent-system); }

/* Page-specific: Game */
.hero-game {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(ellipse at center, rgba(138, 46, 255, 0.15) 0%, var(--bg-deep) 70%);
}

.hero-game h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--accent-space);
  text-shadow: 0 0 25px rgba(138, 46, 255, 0.5);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  position: relative;
  padding: 1.5rem;
  background: rgba(17, 28, 68, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 4px;
  transition: border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 12px; height: 12px;
  border-top: 2px solid var(--accent-ai);
  border-left: 2px solid var(--accent-ai);
  opacity: 0.7;
}
.feature-card:hover {
  border-color: var(--accent-ai);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.2), inset 0 0 30px rgba(0, 229, 255, 0.03);
}
.feature-card h3 {
  font-family: var(--font-display);
  color: var(--accent-ai);
  margin-bottom: 0.5rem;
  font-size: 1rem;
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Page: UNA */
.hero-una {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(ellipse at center, rgba(76, 255, 178, 0.1) 0%, var(--bg-deep) 70%);
}

.hero-una h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent-system);
  text-shadow: 0 0 25px rgba(76, 255, 178, 0.5);
}

.hero-una .subtitle {
  font-size: 1.25rem;
  color: var(--accent-ai);
  margin-top: 0.5rem;
}

/* Contact form */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-deep);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-ai);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.form-group textarea { min-height: 120px; resize: vertical; }

/* Responsive */
@media (max-width: 768px) {
  .site-header { padding: 0.75rem 1rem; flex-wrap: wrap; }
  .site-header nav { gap: 1rem; }
  .hero h1 { font-size: 1.75rem; }
  .section { padding: 2rem 1rem; }
}