/* ===========================
   VARIABLES GLOBALES - PALETA AZUL PETRÓLEO / COBRE
=========================== */
:root {
  /* Colores principales */
  --color-petrol: #1c4c5b; /* Azul petróleo principal */
  --color-petrol-dark: #12343b; /* Azul petróleo oscuro */
  --color-petrol-light: #5a8892; /* Azul petróleo claro */

  /* Cobre */
  --color-copper: #b87333; /* Cobre principal */
  --color-copper-light: #d9985f; /* Cobre claro */
  --color-copper-dark: #8a4f27; /* Cobre oscuro */

  /* Neutrales */
  --color-dark: #1f1f1f; /* Gris muy oscuro */
  --color-darker: #121212; /* Casi negro */
  --color-light: #f2f2f2; /* Gris claro */
  --color-bg: #fafafa; /* Fondo neutro */
  --color-muted: #7a7a7a; /* Texto secundario apagado */

  /* Tipografía */
  --font-title: "Playfair Display", serif;
  --font-body: "Roboto", sans-serif;

  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(28, 76, 91, 0.1);
  --shadow-md: 0 4px 8px rgba(28, 76, 91, 0.15);
  --shadow-lg: 0 8px 16px rgba(28, 76, 91, 0.2);
}

/* ===========================
   ESTILOS BASE
=========================== */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.6;
  font-size: 16px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-title);
  color: var(--color-olive-dark);
  margin-bottom: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-dark);
}

a {
  text-decoration: none;
  color: var(--color-gold);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-gold-dark);
  text-decoration: underline;
}

section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* ===========================
   BOTONES
=========================== */
.btn-primary {
  background-color: var(--color-olive);
  border-color: var(--color-olive-dark);
  color: white;
  font-weight: 600;
  padding: 0.5rem 1.5rem;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--color-olive-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

.btn-outline-primary {
  border-color: var(--color-gold);
  color: var(--color-gold);
  font-weight: 600;
}

.btn-outline-primary:hover {
  background-color: var(--color-gold);
  color: var(--color-dark);
}

.btn-warning {
  background-color: var(--color-gold);
  color: var(--color-dark);
  font-weight: 600;
}

.btn-warning:hover {
  background-color: var(--color-gold-dark);
  color: white;
}

.btn-light {
  background-color: var(--color-light);
  color: var(--color-olive-dark);
  font-weight: 600;
}

.btn-light:hover {
  background-color: var(--color-olive-light);
  color: white;
}

/* ===========================
   NAVBAR
=========================== */
.navbar {
  background-color: var(--color-olive-dark) !important;
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
}

.navbar-brand {
  font-family: var(--font-title);
  font-weight: 700;
  color: white !important;
}

.navbar-brand img {
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.3));
}

.nav-link {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8) !important;
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--color-gold) !important;
  transform: translateY(-2px);
}

/* ===========================
   FOOTER
=========================== */
.footer {
  background-color: var(--color-darker) !important;
  color: var(--color-light);
  padding: 3rem 0;
  font-size: 0.9rem;
}

.footer a {
  color: var(--color-gold-light);
  transition: all 0.3s ease;
}

.footer a:hover {
  color: white;
  text-decoration: none;
}

.footer .social-icons a {
  display: inline-block;
  margin-right: 3rem;
  font-size: 1.2rem;
}

/* ===========================
   COMPONENTES ESPECÍFICOS
=========================== */
/* Cards */
.card {
  border: none;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border-top: 3px solid var(--color-gold);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Alertas */
.alert-primary {
  background-color: rgba(107, 142, 35, 0.1);
  border-color: var(--color-olive);
  color: var(--color-olive-dark);
}

/* Badges */
.badge-primary {
  background-color: var(--color-olive);
  color: white;
}

/* ===========================
   UTILIDADES PERSONALIZADAS
=========================== */
.text-olive {
  color: var(--color-olive) !important;
}

.text-gold {
  color: var(--color-gold) !important;
}

.bg-olive {
  background-color: var(--color-olive) !important;
}

.bg-gold {
  background-color: var(--color-gold) !important;
}

.border-gold {
  border-color: var(--color-gold) !important;
}

.shadow-gold {
  box-shadow: 0 4px 8px rgba(212, 175, 55, 0.2);
}
/* Colores personalizados */
.bg-olive {
  background-color: var(--color-olive) !important;
}
.text-olive {
  color: var(--color-olive) !important;
}
.btn-outline-olive {
  border: 2px solid var(--color-olive);
  color: var(--color-olive);
}
.btn-outline-olive:hover {
  background-color: var(--color-olive);
  color: white;
}

.bg-gold {
  background-color: var(--color-gold) !important;
}
.text-gold {
  color: var(--color-gold) !important;
}
.btn-outline-gold {
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
}
.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-dark);
}
.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-dark);
}
.btn-gold:hover {
  background-color: var(--color-gold-dark);
  color: white;
}