/* Devil Revenant MMO - Main Styles */

:root {
  /* Colors */
  --primary-color: #ff6b35;
  --primary-dark: #e55a2b;
  --secondary-color: #ffd700;
  --accent-color: #8b5cf6;
  
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: rgba(255, 255, 255, 0.05);
  
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.3);
  
  /* Typography */
  --font-primary: 'Cinzel', serif;
  --font-secondary: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-title {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
}

.loading-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.loading-bar {
  width: 300px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  width: 0%;
  animation: loadingProgress 3s ease-in-out forwards;
}

@keyframes loadingProgress {
  to { width: 100%; }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.98);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-img {
  width: 40px;
  height: 40px;
}

.logo-text {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 15, 0.8) 0%,
    rgba(26, 26, 46, 0.6) 50%,
    rgba(10, 10, 15, 0.9) 100%
  );
  z-index: -1;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.title-line {
  display: block;
}

.title-line.highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.scroll-indicator {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.scroll-mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--text-secondary);
  border-radius: 12px;
  margin: 0 auto var(--spacing-xs);
  position: relative;
  animation: scrollFloat 2s ease-in-out infinite;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: var(--spacing-xl) 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 2rem;
  color: white;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Worlds Section */
.worlds {
  padding: var(--spacing-xl) 0;
  background: var(--bg-primary);
}

.worlds-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.world-card {
  position: relative;
  height: 600px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.world-card:hover {
  transform: scale(1.02);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.world-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.world-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.world-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
}

.world-content {
  position: relative;
  height: 100%;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-align: center;
  z-index: 2;
}

.world-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 2rem;
  color: var(--primary-color);
}

.world-title {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.world-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.world-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.world-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.world-btn {
  align-self: center;
  min-width: 200px;
}

/* Download Section */
.download {
  padding: var(--spacing-xl) 0;
  background: var(--bg-tertiary);
  text-align: center;
}

.download-title {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.download-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.download-platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.platform {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.platform:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.platform-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.platform h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.platform p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.platform-btn {
  width: 100%;
}

.system-requirements {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.system-requirements h3 {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.req-column {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
}

.req-column h4 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.req-column ul {
  list-style: none;
}

.req-column li {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-sm);
  position: relative;
}

.req-column li::before {
  content: '•';
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* Footer */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
  font-weight: 600;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-logo img {
  width: 40px;
  height: 40px;
}

.footer-logo span {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--primary-color);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary-color);
}

.modal-body {
  padding: var(--spacing-md);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input {
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

.form-actions .btn {
  width: 100%;
}

.forgot-password {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.forgot-password:hover {
  color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
  :root {
    --spacing-xl: 3rem;
  }
  
  .nav-container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .worlds-container {
    grid-template-columns: 1fr;
  }
  
  .world-features {
    flex-direction: column;
    align-items: center;
  }
  
  .download-platforms {
    grid-template-columns: 1fr;
  }
  
  .requirements-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .nav-container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-content {
    padding: 0 var(--spacing-sm);
  }
  
  .modal-content {
    width: 95%;
  }
}