/* =============================================
   ARVIX GROUP — ESTILOS FINALES OPTIMIZADOS
   Paleta: Negro (#000), Dorado (#e5d081), Blanco (#fff), Gris
   ============================================= */

/* VARIABLES GLOBALES */
:root {
    --color-black: #000000;
    --color-gold: #e5d081;
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray-medium: #e0e0e0;
    --color-gray-dark: #333333; /* ¡Mejor contraste! */
    --color-whatsapp: #25d366;
    --shadow: 0 4px 6px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 15px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.7; /* Mejor legibilidad */
    color: var(--color-gray-dark); /* Texto más oscuro para mejor contraste */
    background: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-black);
}

img {
    max-width: 100%;
    height: auto;
    display: block; /* Evita layout shift */
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

/* HEADER */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: var(--transition);
    padding: 15px 0;
}

#header.scrolled {
    padding: 10px 0;
}

.logo a {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: 1px;
}

.logo a:hover {
    color: var(--color-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-black);
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-gold);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 200;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--color-black);
    margin: 3px 0;
    transition: var(--transition);
}

/* HERO */
.hero-section {
    padding: 140px 0 100px;
    background: var(--color-white);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

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

.hero-text .lead {
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--color-gray-dark);
    font-weight: 400;
}

.btn-gold {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-black);
    font-weight: 700;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: var(--shadow);
    border: 2px solid var(--color-gold);
    transition: var(--transition);
    font-size: 1.2rem;
    text-align: center;
    letter-spacing: 0.5px;
}

.btn-gold:hover {
    background: var(--color-black);
    color: var(--color-gold);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.hero-image img {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border: 3px solid var(--color-gold);
    aspect-ratio: 4/3; /* Mantiene proporción */
    object-fit: cover;
}

/* SECTIONS */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--color-gold);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--color-gray-dark);
    max-width: 700px;
    margin: 20px auto 0;
    font-weight: 400;
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--color-white);
    padding: 35px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--color-gray-medium);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-gold);
}

.service-card .icon {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 25px;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin: 20px 0 15px;
}

.service-card p {
    margin-bottom: 25px;
    color: var(--color-gray-dark);
    font-size: 1rem;
}

.btn-link {
    color: var(--color-gold);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-link:hover {
    color: var(--color-black);
    gap: 10px;
}

/* BENEFITS */
.bg-light {
    background: var(--color-gray-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    text-align: center;
    padding: 35px 30px;
    background: var(--color-white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.benefit-card .icon {
    font-size: 2.5rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

/* NOSOTROS SIN IMAGEN */
#nosotros .display-3 {
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: var(--color-black);
}

#nosotros .lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-gray-dark);
}

.values-grid .value-item h3 {
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: 700;
}

.values-grid .value-item h3 i {
    margin-right: 10px;
    font-size: 1.5rem;
}

.values-grid .value-item p {
    color: var(--color-gray-dark);
    line-height: 1.8;
    font-size: 1.1rem;
    font-weight: 400;
}

.values-grid .value-item:not(:last-child) {
    padding-bottom: 30px;
    border-bottom: 2px solid var(--color-gold);
}

/* EQUIPO */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background: var(--color-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.member-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-bottom: 4px solid var(--color-gold);
}

.team-member h3 {
    font-size: 1.4rem;
    margin: 20px 0 5px;
    color: var(--color-black);
}

.team-member .role {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.team-member .bio {
    padding: 0 20px 20px;
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn-outline {
    display: inline-block;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
    padding: 10px 25px;
    border-radius: 50px;
    margin: 15px 0 20px;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

/* FACEBOOK POSTS */
.bg-black {
    background: var(--color-black);
}

.section-header-light h2,
.section-header-light p {
    color: var(--color-white);
}

.section-header-light h2:after {
    background: var(--color-gold);
}

.facebook-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.facebook-post {
    background: #1c1d26;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.facebook-post iframe {
    width: 100%;
    height: 380px;
    border-radius: 8px;
    border: none;
    display: block;
}

.btn-outline-white {
    display: inline-block;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
    margin-top: 15px;
}

.btn-outline-white:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
}

/* CONTACTO */
.contact-info h3 {
    font-size: 1.3rem;
    margin: 25px 0 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.contact-info p {
    margin: 0 0 15px;
    font-size: 1.1rem;
    color: var(--color-gray-dark);
}

.contact-info a {
    color: var(--color-gold);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.contact-info a:hover {
    color: var(--color-black);
    text-decoration: underline;
}

.map-container {
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 25px;
}

.contact-form {
    background: var(--color-gray-light);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-black);
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Lato', sans-serif;
    transition: var(--transition);
    color: var(--color-black); /* Texto negro para mejor contraste */
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-gold);
    outline: none;
    box-shadow: 0 0 0 3px rgba(229, 208, 129, 0.2);
}

button.btn-gold {
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    width: 100%;
    margin-top: 10px;
}

button.btn-gold:hover {
    transform: translateY(-2px);
}

/* FOOTER */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--color-gold);
}

.footer-logo p {
    color: var(--color-gray-light);
    line-height: 1.7;
    font-size: 1rem;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--color-gold);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-gray-light);
    transition: var(--transition);
    font-size: 1rem;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-gold);
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: 15px;
    font-size: 1.3rem;
}

.social-icons a {
    color: var(--color-gray-light);
    transition: var(--transition);
    display: inline-block;
}

.social-icons a:hover {
    color: var(--color-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-gray-medium);
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

/* WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: 50px;
    text-align: center;
    font-size: 24px; /* Ajustado para SVG */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 100;
    border: 3px solid var(--color-gold);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-text h1 {
        font-size: 2.3rem;
    }
    .hero-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

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

    .hero-section {
        padding: 120px 0 80px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .section-padding {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .facebook-post iframe {
        height: 320px;
    }

    .team-member .bio {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }

    .btn-gold {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }

    .facebook-post iframe {
        height: 280px;
    }

    .facebook-posts-grid {
        gap: 15px;
    }

    .service-card,
    .benefit-card {
        padding: 25px 20px;
    }
}