/* ============================================================
   IRON DAWN - Estilos Principales
   Temática: Primera Guerra Mundial - Oscuro, épico, histórico
   ============================================================ */

/* --- Variables de Color --- */
:root {
  --color-bg:          #0d0c0a;
  --color-bg2:         #141210;
  --color-panel:       #1a1714;
  --color-panel2:      #221e1a;
  --color-border:      #3a3028;
  --color-border-gold: #8b6914;
  --color-gold:        #c9a227;
  --color-gold-light:  #e8c547;
  --color-gold-dark:   #7a5c10;
  --color-red:         #8b1a1a;
  --color-red-light:   #c0392b;
  --color-text:        #d4c9b0;
  --color-text-muted:  #7a6e5a;
  --color-text-bright: #f0e6cc;
  --color-green:       #2e7d32;
  --color-green-light: #4caf50;
  --font-title:        'Cinzel', 'Georgia', serif;
  --font-body:         'Crimson Text', 'Georgia', serif;
  --font-ui:           'Oswald', 'Arial Narrow', sans-serif;
  --shadow-gold:       0 0 20px rgba(201, 162, 39, 0.3);
  --shadow-dark:       0 4px 20px rgba(0,0,0,0.8);
  --radius:            4px;
  --transition:        0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Tipografía --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  color: var(--color-gold-light);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }

p { margin-bottom: 1rem; }

/* --- Scrollbar personalizada --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg2); }
::-webkit-scrollbar-thumb { background: var(--color-border-gold); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ============================================================
   LANDING PAGE - HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0a0806 0%, #1a120a 50%, #0d0c0a 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 50% 30%, rgba(201,162,39,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(139,26,26,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(139,26,26,0.08) 0%, transparent 50%);
  z-index: 0;
}

/* Partículas de polvo de guerra */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    url("data:image/svg+xml,%3Csvg width='400' height='400' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='80' r='1' fill='rgba(201,162,39,0.15)'/%3E%3Ccircle cx='150' cy='200' r='1.5' fill='rgba(201,162,39,0.1)'/%3E%3Ccircle cx='300' cy='50' r='1' fill='rgba(201,162,39,0.2)'/%3E%3Ccircle cx='350' cy='300' r='1' fill='rgba(201,162,39,0.12)'/%3E%3Ccircle cx='80' cy='350' r='2' fill='rgba(201,162,39,0.08)'/%3E%3C/svg%3E");
  animation: drift 20s linear infinite;
  opacity: 0.6;
}

@keyframes drift {
  from { transform: translateY(0) translateX(0); }
  to   { transform: translateY(-30px) translateX(10px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

/* Logo / Título del juego */
.game-logo {
  margin-bottom: 1.5rem;
}

.game-logo-year {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  letter-spacing: 0.4em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.game-logo-title {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  color: var(--color-gold-light);
  text-shadow:
    0 0 40px rgba(201,162,39,0.5),
    0 0 80px rgba(201,162,39,0.2),
    2px 2px 0 rgba(0,0,0,0.8);
  letter-spacing: 0.08em;
  line-height: 1;
}

.game-logo-subtitle {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* Separador decorativo */
.divider-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem auto;
  max-width: 400px;
}

.divider-ornament::before,
.divider-ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-gold));
}

.divider-ornament::after {
  background: linear-gradient(90deg, var(--color-border-gold), transparent);
}

.divider-ornament-icon {
  color: var(--color-gold);
  font-size: 1.2rem;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 2.5rem;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.8);
}

/* --- Botones de Acción --- */
.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, #c9a227 0%, #8b6914 100%);
  color: #0d0c0a;
  box-shadow: 0 4px 15px rgba(201,162,39,0.4), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e8c547 0%, #c9a227 100%);
  box-shadow: 0 6px 25px rgba(201,162,39,0.6);
  transform: translateY(-2px);
  color: #0d0c0a;
}

.btn-secondary {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-border-gold);
  box-shadow: inset 0 0 0 0 var(--color-border-gold);
}

.btn-secondary:hover {
  background: rgba(201,162,39,0.1);
  border-color: var(--color-gold);
  color: var(--color-gold-light);
  transform: translateY(-2px);
}

/* --- Estadísticas del juego --- */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-ui);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold-light);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}

/* ============================================================
   SECCIÓN DE CARACTERÍSTICAS
   ============================================================ */

.section-features {
  padding: 6rem 2rem;
  background: var(--color-bg2);
  position: relative;
}

.section-features::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-gold), transparent);
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold-dark), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--color-gold);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   SECCIÓN DE MAPAS / ESCENARIOS
   ============================================================ */

.section-maps {
  padding: 6rem 2rem;
  background: var(--color-bg);
}

.maps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.map-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.map-card:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

.map-card-img {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, #1a1410, #2a1f14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-bottom: 1px solid var(--color-border);
}

.map-card-body { padding: 1.25rem; }
.map-card-body h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.map-card-body p { font-size: 0.85rem; color: var(--color-text-muted); margin: 0; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

.badge-gold { background: var(--color-gold-dark); color: var(--color-gold-light); }
.badge-red  { background: var(--color-red);       color: #ffaaaa; }
.badge-gray { background: #2a2520;                color: var(--color-text-muted); }

/* ============================================================
   MODAL DE AUTENTICACIÓN
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-panel);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius);
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.9), var(--shadow-gold);
  transform: translateY(20px);
  transition: transform var(--transition);
  overflow: hidden;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  background: linear-gradient(135deg, #1a1510, #221c14);
  border-bottom: 1px solid var(--color-border-gold);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  font-size: 1.3rem;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
  padding: 0;
}

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

.modal-body { padding: 2rem; }

.modal-tabs {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-tab {
  flex: 1;
  padding: 0.75rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  margin-bottom: -1px;
}

.modal-tab.active {
  color: var(--color-gold-light);
  border-bottom-color: var(--color-gold);
}

.modal-tab:hover:not(.active) { color: var(--color-text); }

.tab-content { display: none; }
.tab-content.active { display: block; }

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

.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--color-text-bright);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-gold-dark);
  box-shadow: 0 0 0 3px rgba(201,162,39,0.15);
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}

.form-submit {
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* Mensajes de alerta */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: none;
}

.alert.show { display: block; }
.alert-error   { background: rgba(139,26,26,0.3); border: 1px solid var(--color-red); color: #ffaaaa; }
.alert-success { background: rgba(46,125,50,0.3); border: 1px solid var(--color-green); color: #a5d6a7; }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #0d0c0a;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(10,8,6,0.95) 0%, transparent 100%);
  transition: background var(--transition);
}

.navbar.scrolled {
  background: rgba(10,8,6,0.97);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-dark);
}

.navbar-brand {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--color-gold-light);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.navbar-brand:hover { color: var(--color-gold-light); }

.navbar-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  padding: 3rem 2rem 2rem;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer-links a {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================================
   UTILIDADES
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-center { text-align: center; }
.text-gold   { color: var(--color-gold); }
.text-muted  { color: var(--color-text-muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .hero-stats { gap: 1.5rem; }
  .btn-group  { flex-direction: column; align-items: center; }
  .navbar     { padding: 0.75rem 1rem; }
  .modal-body { padding: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
}