/* ==========================================
   RESET Y ESTILOS GENERALES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0d3b66;      /* Azul elegante principal */
    --secondary-color: #f4a261;    /* Color de acento cálido */
    --accent-color: #e76f51;       /* Naranja rojizo para detalles */
    --dark-color: #2b2d42;         /* Texto oscuro */
    --light-color: #f8f9fa;        /* Fondos claros */
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --whatsapp-green: #25d366;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-color);
    background-color: #fff;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ==========================================
   ENCABEZADO Y LOGO NVS
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-badge {
    width: 44px;
    height: 44px;
    background-color: var(--light-color);
    border: 2px solid var(--secondary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: var(--transition);
}

.logo-link:hover .logo-badge {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.logo-img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.logo-fallback-icon {
    font-size: 1.4rem;
    color: var(--primary-color);
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: 1.5px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    height: 90vh;
    min-height: 550px;
    background: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 59, 102, 0.85), rgba(0, 0, 0, 0.65));
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 750px;
}

.badge {
    background-color: var(--secondary-color);
    color: var(--dark-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 28px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--whatsapp-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #1eb954;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background-color: #e59352;
    transform: translateY(-2px);
}

/* ==========================================
   SECCIONES GENERALES
   ========================================== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.2rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 10px auto 0;
}

.section-title.left::after {
    margin: 10px 0 0 0;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1rem;
}

/* ==========================================
   SOBRE NOSOTROS
   ========================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.experience-badge .number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.about-text .description-text {
    margin-bottom: 15px;
    color: #4a5568;
}

.about-features {
    list-style: none;
    margin-top: 20px;
}

.about-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.about-features i {
    color: var(--secondary-color);
}

/* ==========================================
   SERVICIOS
   ========================================== */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.icon-box {
    width: 70px;
    height: 70px;
    background-color: rgba(244, 162, 97, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.icon-box i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ==========================================
   GALERÍA
   ========================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 250px;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(13, 59, 102, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.gallery-overlay p {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* ==========================================
   CONTACTO Y FORMULARIO
   ========================================== */
.contact {
    background-color: var(--light-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info-card, .contact-form-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-info-card h3, .contact-form-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.social-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.social-section h4 {
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

/* Estilos de Formulario */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.2);
}

.btn-submit {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    background-color: #082846;
}

/* Alertas PHP */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert.success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert.error {
    background-color: #f8d7da;
    color: #842029;
}

/* ==========================================
   FOOTER & BOTÓN FLOTANTE
   ========================================== */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 30px 0;
}

.footer-sub {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: var(--whatsapp-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* ==========================================
   DISEÑO RESPONSIVO
   ========================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
    }

    .hero h1 {
        font-size: 2.1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}