/* ==========================================================================
   DISEÑO BASE: INSTITUTO GEOGRÁFICO MILITAR - PORTAL DE CARTOGRAFÍA BASE
   Inspirado en el esquema fluido orgánico de la referencia "base_para inicio.jpg"
   ========================================================================== */

:root {
    --bg-cream: #FBF9F1;
    --bg-cream-dark: #F3EFE0;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --igm-blue: #0A2540;
    --igm-blue-hover: #133960;
    --igm-gold: #D9A726;
    --igm-gold-light: #FFF8E7;
    --card-bg: #FFFFFF;
    --card-border: rgba(226, 232, 240, 0.8);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px -15px rgba(10, 37, 64, 0.15);
    --radius-lg: 20px;
    --radius-md: 14px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #FFFFFF;
    min-height: 100vh;
    overflow-x: hidden;
    /* Imagen de fondo a pantalla completa */
    background: url('DJI_0110.JPG') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

/* Capa de degradado suave de verde oscuro a transparente de izquierda a derecha */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to right, rgba(6, 44, 25, 0.96) 0%, rgba(6, 44, 25, 0.85) 35%, rgba(6, 44, 25, 0.4) 65%, rgba(6, 44, 25, 0) 100%);
    z-index: 2;
    pointer-events: none;
}

/* Container Principal Full Screen */
.main-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
    position: relative;
    z-index: 10;
}

/* LADO IZQUIERDO: Centrado del Logo Gigante */
.left-panel {
    flex: 1;
    background: transparent;
    padding: 3rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 10;
    position: relative;
}

.logo-hero-container {
    margin: auto 0;
    margin-left: 4.5rem; /* Desplazamiento de ~2 cm a la derecha */
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img-large {
    height: 180px; /* Tamaño del logotipo incrementado significativamente */
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 25px rgba(0,0,0,0.5));
    transition: var(--transition);
}

.logo-img-large:hover {
    transform: scale(1.05);
}

.top-nav {
    display: flex;
    gap: 1.8rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-link:hover, .nav-link.active {
    color: #FFFFFF;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--igm-gold);
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    max-width: 650px;
    margin: auto 0;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(217, 167, 38, 0.2);
    color: #FCE8A6;
    border: 1px solid rgba(217, 167, 38, 0.5);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--igm-gold);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(217, 167, 38, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(217, 167, 38, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(217, 167, 38, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(217, 167, 38, 0); }
}

.hero-title {
    font-size: 2.9rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.15;
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-description {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

/* 3 Tarjetas de Enlaces Solicitados */
.links-grid {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.feature-card {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    background: rgba(6, 44, 25, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: #FFFFFF;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--igm-gold);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateX(8px);
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(217, 167, 38, 0.05);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.35);
}

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

.card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    margin-right: 1.2rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.feature-card:hover .card-icon {
    background-color: var(--igm-gold);
    color: #0A2540;
}

.card-text h3 {
    font-size: 0.98rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.card-text p {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.8);
}

.card-arrow {
    margin-left: auto;
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.feature-card:hover .card-arrow {
    color: var(--igm-gold);
    transform: translateX(4px);
}

/* Footer */
.panel-footer {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* LADO DERECHO: Título y Tarjetas de Enlaces */
.right-panel {
    flex: 1.2;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 4rem;
    z-index: 10;
}

.image-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.05);
    transition: transform 8s ease-out;
}

.right-panel:hover .hero-image {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.25) 0%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
}

.image-badge {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    background: rgba(255, 255, 255, 0.85);
    background: rgba(6, 44, 25, 0.96);
    padding: 12px 20px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.4);
    z-index: 20;
}

.badge-icon {
    font-size: 1.4rem;
}

.badge-info strong {
    display: block;
    font-size: 0.85rem;
    color: var(--igm-blue);
}

.badge-info small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Modales para los Enlaces */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 37, 64, 0.6);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 1000;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: #FFFFFF;
    width: 90%;
    max-width: 650px;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }

    .right-panel {
        clip-path: none;
        margin-left: 0;
        min-height: 350px;
        flex: none;
    }

    .left-panel {
        padding: 2rem;
    }
}