/* ==========================================================================
   SEA Activo - Estilo Vanguardista, Cálido y Humano
   Enfoque: Longevidad Activa, Aprendizaje Continuo y Comunidad
   ========================================================================== */

:root {
    /* Paleta Oficial Brandboard */
    --azul-electrico: #055EDD;
    --azul-cristal:   #1FB2FC;
    --mandarina:      #F2911C;
    
    /* Superficies Cálidas y Orgánicas (Rompe con el aspecto clínico) */
    --bg-main:        #FFFFFF;
    --bg-warm:        #FAF9F6;  /* Blanco cálido/marfil ligero */
    --bg-accent-soft: #F0F6FF;  /* Azul aura muy suave */
    --card-bg:        #FFFFFF;
    
    --text-dark:      #0F172A;  /* Contraste nítido y legible */
    --text-body:      #334155;
    --text-muted:     #64748B;
    --border-soft:    #E2E8F0;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body:    'Montserrat', sans-serif;
    
    /* Bordes Suaves & Orgánicos */
    --radius-card:    20px;
    --radius-pill:    50px;
    --radius-button:  12px;
    
    /* Sombras Elevadas y Modernas */
    --shadow-soft:    0 10px 30px -10px rgba(5, 94, 221, 0.08);
    --shadow-hover:   0 20px 35px -10px rgba(5, 94, 221, 0.16);
    --transition:     all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background-color: var(--bg-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- HEADER NAVEGACIÓN MODERNA --- */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 14px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 46px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.02);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--azul-electrico);
}

.btn-cta-nav {
    background-color: var(--mandarina) !important;
    color: #FFFFFF !important;
    padding: 11px 24px !important;
    border-radius: var(--radius-pill) !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(242, 145, 28, 0.3);
}

.btn-cta-nav:hover {
    background-color: #D97B0D !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 145, 28, 0.4);
}

/* --- BOTONES DE ESTILO CONTEMPORÁNEO --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 32px;
    border-radius: var(--radius-button);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--azul-electrico);
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(5, 94, 221, 0.25);
}

.btn-primary:hover {
    background: #0343A3;
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(5, 94, 221, 0.35);
}

.btn-whatsapp {
    background: #25D366;
    color: #FFFFFF;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
    background: #1EBE5D;
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--azul-electrico);
    color: var(--azul-electrico);
}

.btn-outline:hover {
    background: var(--azul-electrico);
    color: #FFFFFF;
}

/* --- SECCIONES Y ENCABEZADOS --- */
.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-warm);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.4rem;
    color: var(--azul-electrico);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(31, 178, 252, 0.12);
    color: var(--azul-electrico);
    font-size: 0.85rem;
    font-weight: 800;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* --- PLACEHOLDERS FOTOGRÁFICOS MODERNOS --- */
.img-placeholder {
    width: 100%;
    height: 100%;
    min-height: 220px;
    background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
    border-radius: var(--radius-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    padding: 24px;
    text-align: center;
    border: 2px dashed rgba(148, 163, 184, 0.6);
    transition: var(--transition);
}

.img-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: var(--azul-cristal);
}

/* --- FOOTER MODERNO Y ELEGANTE --- */
footer {
    background: #0B132B;
    color: #94A3B8;
    padding: 80px 0 35px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 18px;
    font-size: 0.95rem;
    max-width: 350px;
    line-height: 1.7;
}

.footer-title {
    color: #FFFFFF;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 22px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 14px;
    margin-top: 20px;
}

.social-icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: var(--mandarina);
    color: #FFFFFF;
    transform: translateY(-3px);
    border-color: var(--mandarina);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.875rem;
}

@media (max-width: 992px) {
    .nav-menu { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; }
}