/* ===== CSS Variables ===== */
:root {
  --bg-dark: #1a1a2e;
  --bg-forest: #0f3d0f;
  --bg-card: #16213e;
  --accent-green: #2d6a4f;
  --accent-orange: #e76f51;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b80;
  --font-display: 'Creepster', cursive;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --header-height: 64px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-green); text-decoration: none; transition: color var(--transition); }
a:hover { color: #52b788; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
kbd {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px;
  font-size: 0.85em;
  font-family: var(--font-body);
}

/* ===== Utilities ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; }
.section-subtitle {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* ===== HEADER / NAV ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(26,26,46,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(26,26,46,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
}
.nav-logo img { border-radius: 6px; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--bg-dark);
    padding: 80px 24px 24px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0,0,0,0.4);
  }
  .nav-links.open { right: 0; }
  .nav-link { padding: 12px 16px; font-size: 1.1rem; }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 60px;
  background: linear-gradient(170deg, var(--bg-dark) 0%, #0d2818 50%, var(--bg-forest) 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(45,106,79,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(231,111,81,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(45,106,79,0.4);
  border-radius: 50%;
  animation: float-up linear infinite;
}
@keyframes float-up {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-content { position: relative; z-index: 1; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #52b788 0%, #2d6a4f 40%, #e76f51 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: title-glow 4s ease-in-out infinite alternate;
}
@keyframes title-glow {
  0% { filter: drop-shadow(0 0 20px rgba(45,106,79,0.3)); }
  100% { filter: drop-shadow(0 0 40px rgba(231,111,81,0.3)); }
}
.hero-tagline {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-primary);
  margin-bottom: 12px;
}
.hero-tagline strong { color: var(--accent-orange); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: bounce 2s infinite;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--accent-green);
  color: #fff;
  box-shadow: 0 4px 15px rgba(45,106,79,0.3);
}
.btn-primary:hover {
  background: #40916c;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45,106,79,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  transform: translateY(-2px);
}
.hero-content .btn { margin: 6px; }

/* ===== GAME SECTION ===== */
.game-section { background: linear-gradient(180deg, var(--bg-forest) 0%, var(--bg-dark) 100%); }
.game-wrapper { max-width: 960px; margin: 0 auto; }
.game-frame-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.game-frame-container iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.fullscreen-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 10;
  background: rgba(0,0,0,0.6);
  padding: 8px;
  border-radius: var(--radius-sm);
  color: #fff;
  transition: background var(--transition);
}
.fullscreen-btn:hover { background: rgba(45,106,79,0.8); }
.game-controls {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.control-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.game-fallback {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== ABOUT ===== */
.about-section { background: var(--bg-dark); }
.about-text {
  max-width: 720px;
  margin: -24px auto 48px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.feature-card {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; }
.about-highlights {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.highlight {
  text-align: center;
  padding: 16px 24px;
  background: rgba(45,106,79,0.1);
  border: 1px solid rgba(45,106,79,0.2);
  border-radius: var(--radius);
}
.highlight span {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-green);
  margin-bottom: 4px;
}

/* ===== HOW TO PLAY ===== */
.howtoplay-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #16213e 100%);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.step-card {
  position: relative;
  background: var(--bg-card);
  padding: 40px 24px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}
.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--accent-orange);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(231,111,81,0.3);
}
.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 8px;
  margin-top: 8px;
}
.step-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ===== SCREENSHOTS ===== */
.screenshots-section { background: #16213e; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), border-color var(--transition);
  padding: 0;
}
.gallery-item:hover {
  transform: scale(1.03);
  border-color: var(--accent-green);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2.5rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 2001;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox-close:hover { color: var(--accent-orange); }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* ===== FAQ ===== */
.faq-section { background: linear-gradient(180deg, #16213e 0%, var(--bg-dark) 100%); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: rgba(45,106,79,0.3); }
.faq-item summary {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent-green);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item summary:hover { color: var(--accent-green); }
.faq-item p {
  padding: 0 24px 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-forest) 100%);
  text-align: center;
}
.cta-content h2 { margin-bottom: 12px; }
.cta-content p { color: var(--text-secondary); margin-bottom: 24px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
#footer {
  background: #0d0d1a;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-content { text-align: center; }
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }
.footer-links a svg { opacity: 0.7; transition: opacity var(--transition); }
.footer-links a:hover svg { opacity: 1; }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }
.footer-copy a { color: var(--text-muted); }
.footer-copy a:hover { color: var(--accent-green); }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .features-grid, .steps-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .about-highlights { gap: 16px; }
  .highlight { padding: 12px 16px; }
  .hero { padding: 100px 16px 60px; }
  .cta-buttons { flex-direction: column; align-items: center; }
}
@media (max-width: 400px) {
  .gallery-grid { grid-template-columns: 1fr; }
}