/* CSS Limpio y Optimizado para Hum@no Corporation */

:root {
    --primary-color: #004d61;      
    --primary-light: #0d6e85;      
    --primary-dark: #002d3a;       
    --accent-color: #20c997;       
    --text-color: #2b3a42;         
    --bg-light: #f4f7f6;           
    --white: #ffffff;
    --transition: all 0.3s ease-in-out;
}

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

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- BARRA LATERAL REDES SOCIALES (IZQUIERDA - FIX TOTAL) --- */
.side-social-container {
    position: fixed;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.social-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    color: var(--white);
    text-decoration: none;
    font-size: 1.25rem;
    border-radius: 0 6px 6px 0;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.15);
    transition: width 0.2s ease, padding-left 0.2s ease;
}

.fb-color { background-color: #3b5998; }
.ig-color { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }

.social-item:hover {
    width: 56px;
    padding-left: 10px;
}

/* --- WHATSAPP FLOTANTE FIX --- */
.whatsapp-btn-fixed {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: var(--white);
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 1050;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-btn-fixed:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* --- ENCABEZADO Y MENÚ --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

.main-header.scrolled {
    background-color: var(--white);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.logo-area { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 45px; width: 45px; object-fit: cover; border-radius: 50%; border: 2px solid var(--white); }
.main-header.scrolled .logo-img { border-color: var(--primary-color); }
.logo-text { font-weight: 700; font-size: 1.3rem; color: var(--white); }
.main-header.scrolled .logo-text { color: var(--primary-color); }
.accent-text { color: var(--accent-color); }

.navbar ul { display: flex; list-style: none; align-items: center; gap: 30px; }
.nav-link { text-decoration: none; color: rgba(255, 255, 255, 0.9); font-weight: 600; font-size: 0.95rem; transition: var(--transition); position: relative; padding: 5px 0; }
.main-header.scrolled .nav-link { color: var(--text-color); }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--accent-color); transition: var(--transition); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: var(--white); }
.main-header.scrolled .nav-link:hover, .main-header.scrolled .nav-link.active { color: var(--primary-color); }

.btn-nav { background-color: var(--accent-color); color: var(--primary-dark) !important; padding: 8px 20px; border-radius: 25px; }
.btn-nav:hover { background-color: var(--white) !important; color: var(--primary-color) !important; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.main-header.scrolled .btn-nav { background-color: var(--primary-color); color: var(--white) !important; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--white); cursor: pointer; }
.main-header.scrolled .menu-toggle { color: var(--primary-color); }

/* --- HERO HERO --- */
.hero-section {
    position: relative;
    height: 85vh;
    min-height: 520px;
    background-image: url('HUMANOSCORPO.jpeg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(0, 77, 97, 0.92) 0%, rgba(0, 45, 58, 0.75) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 750px; }
.hero-badge { display: inline-block; background-color: rgba(32, 201, 151, 0.2); border: 1px solid var(--accent-color); color: var(--accent-color); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-bottom: 15px; }
.hero-section h1 { font-size: 2.8rem; font-weight: 700; line-height: 1.2; margin-bottom: 20px; }
.hero-section p { font-size: 1.15rem; margin-bottom: 30px; opacity: 0.9; }
.hero-buttons { display: flex; gap: 15px; }

.btn { display: inline-block; text-decoration: none; padding: 12px 28px; border-radius: 30px; font-weight: 600; transition: var(--transition); }
.btn-primary { background-color: var(--accent-color); color: var(--primary-dark); }
.btn-primary:hover { background-color: var(--white); color: var(--primary-color); transform: translateY(-2px); }
.btn-secondary { border: 2px solid var(--white); color: var(--white); }
.btn-secondary:hover { background-color: var(--white); color: var(--primary-dark); transform: translateY(-2px); }

.wave-container { position: absolute; bottom: -2px; left: 0; width: 100%; z-index: 3; line-height: 0; }

/* --- BLOQUES DE CONTENIDO --- */
.section-title { text-align: center; margin-bottom: 50px; }
.section-title span { color: var(--primary-light); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; display: block; }
.section-title h2 { font-size: 2rem; color: var(--primary-color); font-weight: 700; margin-top: 5px; }
.title-line { width: 50px; height: 4px; background-color: var(--accent-color); margin: 12px auto 0 auto; border-radius: 2px; }

.about-section, .mv-section, .contact-section { padding: 90px 0; }
.about-grid { max-width: 850px; margin: 0 auto 40px auto; text-align: center; }
.lead-text { font-size: 1.25rem; color: var(--primary-color); margin-bottom: 15px; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 25px; }
.service-card { background-color: var(--bg-light); padding: 35px 25px; border-radius: 12px; transition: var(--transition); border-bottom: 4px solid transparent; text-align: center; }
.service-card:hover { transform: translateY(-6px); background-color: var(--white); box-shadow: 0 12px 30px rgba(0,0,0,0.05); border-color: var(--primary-color); }
.service-icon { font-size: 2.3rem; color: var(--primary-light); margin-bottom: 15px; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--primary-dark); }

.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.mv-card { background-color: var(--white); padding: 45px 35px; border-radius: 16px; box-shadow: 0 10px 25px rgba(0,0,0,0.02); text-align: center; }
.mv-card.accent-card { background-color: var(--primary-color); color: var(--white); }
.mv-icon { font-size: 2.5rem; color: var(--primary-light); margin-bottom: 15px; }
.mv-card.accent-card .mv-icon { color: var(--accent-color); }
.mv-card h2 { font-size: 1.6rem; color: var(--primary-dark); margin-bottom: 15px; }
.mv-card.accent-card h2 { color: var(--white); }

/* --- COMPONENTE CONTACTO --- */
.contact-wrapper { display: grid; grid-template-columns: 4fr 6fr; gap: 40px; background-color: var(--bg-light); border-radius: 20px; overflow: hidden; box-shadow: 0 15px 35px rgba(0,0,0,0.03); }
.contact-info { background-color: var(--primary-dark); color: var(--white); padding: 45px; display: flex; flex-direction: column; justify-content: center; }
.contact-info h3 { font-size: 1.5rem; margin-bottom: 10px; }
.contact-info p { opacity: 0.8; margin-bottom: 30px; font-size: 0.95rem; }
.info-item { display: flex; gap: 15px; margin-bottom: 25px; align-items: center; }
.info-item i { font-size: 1.3rem; color: var(--accent-color); background-color: rgba(255,255,255,0.05); padding: 12px; border-radius: 10px; }
.info-item h4 { font-size: 0.95rem; margin-bottom: 2px; }

.contact-form-container { padding: 45px; background-color: var(--white); }
.alert-success { background-color: #d1e7dd; color: #0f5132; padding: 12px 18px; border-radius: 8px; margin-bottom: 20px; font-weight: 500; display: flex; align-items: center; gap: 10px; font-size: 0.95rem; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-group label { font-weight: 600; font-size: 0.85rem; color: var(--primary-dark); }
.form-group input, .form-group textarea { padding: 12px 15px; border: 2px solid #e1e8ed; border-radius: 8px; font-family: inherit; font-size: 0.95rem; transition: var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); }
.btn-submit { background-color: var(--primary-color); color: var(--white); border: none; padding: 14px; font-size: 1rem; border-radius: 8px; cursor: pointer; font-weight: 600; }
.btn-submit:hover { background-color: var(--primary-dark); }

/* --- PIE DE PÁGINA --- */
.main-footer { background-color: var(--primary-dark); color: rgba(255, 255, 255, 0.65); padding: 45px 0; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.9rem; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 25px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo { height: 38px; width: 38px; object-fit: cover; border-radius: 50%; }
.footer-meta { display: flex; gap: 25px; }
.footer-meta p i { color: var(--accent-color); margin-right: 6px; }

/* --- RESPONSIVO --- */
@media (max-width: 992px) {
    .hero-section h1 { font-size: 2.3rem; }
    .contact-wrapper, .mv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .navbar { position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--white); box-shadow: 0 8px 15px rgba(0,0,0,0.08); padding: 20px 0; display: none; }
    .navbar.active { display: block; }
    .navbar ul { flex-direction: column; gap: 15px; }
    .nav-link { color: var(--text-color); }
    .main-header:not(.scrolled) .logo-text { color: var(--white); }
    .footer-content, .footer-meta { flex-direction: column; text-align: center; gap: 12px; }
    .form-group-row { grid-template-columns: 1fr; }
    .side-social-container { top: auto; bottom: 95px; } /* Evita choques en pantallas pequeñas */
}