:root {
    --azul-pdf: #1a2a40; 
    --amarillo-pdf: #f1c40f;
    --verde-pdf: #27ae60;
    --rojo-pdf: #e74c3c;
    --celeste-pdf: #3498db;
    --morado-pdf: #9b59b6;
}

body { font-family: 'Montserrat', sans-serif; margin: 0; background-color: #ffffff; overflow-x: hidden; }

/* HEADER */
.hero-clean {
    background: linear-gradient(to bottom, rgba(26, 42, 64, 0.82) 0%, rgba(26, 42, 64, 0.88) 100%), 
    url('https://images.unsplash.com/photo-1497633762265-9d179a990aa6?auto=format&fit=crop&w=1350&q=80');
    background-size: cover; 
    background-position: center;
    padding: 120px 20px; 
    color: white;
    text-align: center;
}

.main-logo { 
    max-width: 700px; 
    width: 95%;
    height: auto; 
    filter: drop-shadow(0px 4px 20px rgba(0,0,0,0.5)); 
}

/* MAIN CONTENT */
.main-wrapper { 
    background-color: #f0f4f7;
    padding: 80px 0; 
}
.servicios-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px; 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

/* TARJETAS */
.card { 
    background: white; padding: 45px 25px; border-radius: 15px; text-align: center; cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-bottom: 8px solid #ddd; transition: 0.3s ease;
    opacity: 0; transform: translateY(20px);
}
.card.active { opacity: 1; transform: translateY(0); }
.card:hover { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.icon-box { font-size: 3.5rem; margin-bottom: 25px; }
.card h3 { font-size: 1.1rem; color: var(--azul-pdf); min-height: 50px; display: flex; align-items: center; justify-content: center; margin: 0; font-weight: 700; }
.click-info { font-size: 0.75rem; color: #999; margin-top: 15px; border-top: 1px solid #eee; padding-top: 10px; text-transform: uppercase; }

/* COLORES */
.card-amarilla { border-color: var(--amarillo-pdf); } .card-amarilla i { color: var(--amarillo-pdf); }
.card-azul { border-color: var(--celeste-pdf); } .card-azul i { color: var(--celeste-pdf); }
.card-verde { border-color: var(--verde-pdf); } .card-verde i { color: var(--verde-pdf); }
.card-roja { border-color: var(--rojo-pdf); } .card-roja i { color: var(--rojo-pdf); }
.card-oscura { border-color: var(--azul-pdf); } .card-oscura i { color: var(--azul-pdf); }
.card-recomendacion { border-color: var(--morado-pdf); } .card-recomendacion i { color: var(--morado-pdf); }

/* FOOTER - Estilos Unificados */
footer { background: var(--azul-pdf); color: white; padding: 60px 20px; text-align: center; }
.sence-ate { 
    margin-bottom: 35px; 
    font-size: 1rem; 
    opacity: 0.95; 
}
.sence-ate p {
    margin: 8px 0; /* Espaciado uniforme entre las 3 líneas del bloque superior */
}

.contacto-footer { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; }
.info-label { color: var(--amarillo-pdf); font-weight: bold; font-size: 1.3rem; margin-bottom: 15px; }

/* MODALES */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.85); overflow-y: auto; }
.modal-content { background-color: white; margin: 5% auto; padding: 45px; border-radius: 20px; max-width: 800px; position: relative; color: #333; }
.close { position: absolute; right: 25px; top: 15px; font-size: 35px; cursor: pointer; color: #888; }
.modal h2 { color: var(--azul-pdf); font-size: 1.6rem; border-bottom: 3px solid var(--amarillo-pdf); padding-bottom: 10px; margin-top: 0; text-transform: uppercase; }
.texto-justificado { text-align: justify; text-justify: inter-word; line-height: 1.8; }
.lista-pdf { list-style: none; padding: 0; }
.lista-pdf li { position: relative; padding-left: 25px; margin-bottom: 12px; line-height: 1.5; }
.lista-pdf li::before { content: "•"; color: var(--verde-pdf); font-weight: bold; position: absolute; left: 0; font-size: 1.3rem; }

.review { background: #f8f9fa; padding: 25px; margin-bottom: 20px; border-left: 6px solid var(--morado-pdf); border-radius: 5px; text-align: left; }
.review strong { display: block; margin-top: 15px; color: var(--azul-pdf); font-size: 1.1rem; }
.review small { color: #666; font-size: 0.9rem; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .servicios-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .servicios-grid { grid-template-columns: 1fr; }
    .main-logo { max-width: 320px; }
    .hero-clean { padding: 80px 15px; }
    .modal-content { margin: 10% 5%; padding: 30px; }
}