/* ===================================
   PALETA DE COLORES VALENCIA
   =================================== */
:root {
    --azul-primario: #0F2D40;
    --azul-secundario: #1F4E5F;
    --azul-claro: #DCE7EE;
    --gris-claro: #F6F8FA;
    --gris-medio: #8A97A3;
    --gris-oscuro: #2F3A44;
    --blanco: #FFFFFF;
    --acento: #C8A96A;
    --acento-claro: #E8DBC2;
    --fondo-elegante: #FBFCFD;
    --sombra-ligera: 0 8px 24px rgba(15, 45, 64, 0.08);
    --sombra-media: 0 12px 32px rgba(15, 45, 64, 0.14);
}

/* ===================================
   ESTILOS GLOBALES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, var(--fondo-elegante) 0%, var(--gris-claro) 100%);
    color: var(--gris-oscuro);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ===================================
   HEADER Y NAVEGACIÓN
   =================================== */
.navbar-custom {
    background: linear-gradient(135deg, #0F2D40 0%, #214B5D 100%);
    box-shadow: var(--sombra-media);
    padding: 0.65rem 1rem !important;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar-custom .dropdown-menu {
    border: none;
    border-radius: 12px;
    padding: 0.5rem 0;
    box-shadow: var(--sombra-media);
}

.navbar-custom .dropdown-item {
    padding: 0.8rem 1.2rem;
    line-height: 1.4;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .dropdown-item:hover,
.navbar-custom .dropdown-item:focus {
    background-color: rgba(30, 136, 229, 0.1);
    color: var(--azul-primario);
}

.navbar-custom .navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--blanco) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.92) !important;
    margin: 0 0.25rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 999px;
    padding: 0.55rem 0.9rem !important;
}

.navbar-custom .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--blanco) !important;
    transform: translateY(-2px);
}

.navbar-custom .nav-link.language-switch.active {
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--blanco) !important;
    font-weight: 700;
    text-decoration: underline;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    background: linear-gradient(135deg, #0F2D40 0%, #1F4E5F 55%, #2C6677 100%);
    color: var(--blanco);
    padding: 64px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero > * {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.8s ease;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeIn 1s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===================================
   CARDS
   =================================== */
.card-custom {
    border: 1px solid rgba(15, 45, 64, 0.08);
    border-radius: 18px;
    box-shadow: var(--sombra-ligera);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(180deg, #FFFFFF 0%, #FBFCFD 100%);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-custom:hover {
    box-shadow: var(--sombra-media);
    transform: translateY(-8px);
}

.card-custom .card-img-top {
    width: 100%;
    display: block;
    height: 200px;
    object-fit: cover;
    position: relative;
}

.card-custom .card-img-overlay {
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.card-custom .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.card-custom .card-title {
    color: var(--azul-primario);
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card-custom .card-text {
    color: var(--gris-oscuro);
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-custom .btn-card {
    background: linear-gradient(135deg, var(--azul-primario) 0%, var(--azul-secundario) 100%);
    color: var(--blanco);
    border: none;
    border-radius: 999px;
    padding: 0.65rem 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-top: 1rem;
    align-self: flex-start;
    box-shadow: 0 10px 20px rgba(15, 45, 64, 0.12);
}

.card-custom .btn-card:hover {
    transform: scale(1.05);
    box-shadow: var(--sombra-media);
    color: var(--blanco);
    text-decoration: none;
}

.card-custom .btn-card:active {
    transform: scale(0.98);
}

/* ===================================
   ICONOS Y EMOTICONES
   =================================== */
.icon-emoji {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    display: block;
}

.icon-emoji-small {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.fa {
    color: var(--azul-primario);
    margin-right: 0.5rem;
    transition: color 0.3s ease;
}

.card-custom:hover .fa {
    color: var(--azul-secundario);
}

/* ===================================
   BOTONES CON IMÁGENES
   =================================== */
.btn-icon-img {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--azul-primario) 0%, var(--azul-secundario) 100%);
    color: var(--blanco);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-icon-img:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.btn-icon-img img {
    height: 20px;
    width: auto;
}

/* ===================================
   MENÚ PRINCIPAL
   =================================== */
.menu-principal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.menu-item {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #FBFCFD 100%);
    border-radius: 18px;
    box-shadow: var(--sombra-ligera);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--gris-oscuro);
    border: 1px solid rgba(15, 45, 64, 0.08);
}

.menu-item:hover {
    border-color: var(--azul-secundario);
    box-shadow: var(--sombra-media);
    transform: translateY(-8px);
    color: var(--azul-primario);
}

.menu-item .icon-emoji {
    font-size: 2.5rem;
}

.menu-item p {
    font-weight: bold;
    margin-top: 0.5rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer-custom {
    background: linear-gradient(135deg, #0F2D40 0%, #16394A 100%);
    color: var(--blanco);
    padding: 2.25rem 1rem;
    text-align: center;
    margin-top: 3rem;
}

.footer-custom a {
    color: var(--azul-claro);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-custom a:hover {
    color: var(--blanco);
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    margin: 0 0.5rem;
}

/* ===================================
   GALERÍA
   =================================== */
.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.galeria-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sombra-ligera);
    transition: all 0.3s ease;
}

.galeria-item:hover {
    box-shadow: var(--sombra-media);
    transform: scale(1.05);
}

.galeria-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.galeria-item:hover img {
    transform: scale(1.1);
}

/* ===================================
   SECCIONAMIENTO
   =================================== */
.seccion {
    padding: 3rem 0;
    border-bottom: 2px solid var(--azul-claro);
}

.seccion:last-child {
    border-bottom: none;
}

.seccion-titulo {
    color: var(--azul-primario);
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seccion-subtitle {
    color: var(--gris-medio);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* ===================================
   ANIMACIONES
   =================================== */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

.slide-left {
    animation: slideLeft 0.6s ease-out;
}

.slide-right {
    animation: slideRight 0.6s ease-out;
}

.bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    from {
        opacity: 0;
        transform: scale(0.3);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .seccion-titulo {
        font-size: 1.5rem;
    }

    .menu-principal {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 1rem;
    }

    .menu-item {
        padding: 1rem 0.5rem;
    }

    .menu-item .icon-emoji {
        font-size: 2rem;
    }

    .galeria {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 15px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .seccion {
        padding: 2rem 0;
    }

    .navbar-custom .navbar-brand {
        font-size: 1.1rem;
    }

    .navbar-custom .nav-link {
        margin: 0.25rem 0;
    }
}

/* ===================================
   FORMULARIOS
   =================================== */
.form-control {
    border: 2px solid var(--azul-claro);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    height: auto;
    min-height: 48px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

select.form-control,
select.form-control:focus {
    appearance: auto;
    -webkit-appearance: menulist;
    -moz-appearance: menulist;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.form-control:focus {
    border-color: var(--azul-primario);
    box-shadow: 0 0 0 0.2rem rgba(30, 136, 229, 0.25);
}

.form-label {
    color: var(--azul-primario);
    font-weight: 500;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

/* ===================================
   SPINNER/CARGADOR
   =================================== */
.spinner-custom {
    border: 4px solid var(--azul-claro);
    border-top: 4px solid var(--azul-primario);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* ===================================
   ALERTAS
   =================================== */
.alert-custom {
    border-radius: 8px;
    border: none;
    margin-bottom: 1rem;
}

.alert-info-custom {
    background-color: var(--azul-claro);
    color: var(--azul-primario);
}

.alert-success-custom {
    background-color: #E8F5E9;
    color: #2E7D32;
}

.alert-warning-custom {
    background-color: #FFF3E0;
    color: #F57C00;
}

.alert-danger-custom {
    background-color: #FFEBEE;
    color: #C62828;
}