/*
Theme Name: Ventanas Huincacara
Theme URI: https://vhuinca.cl
Author: Ventanas Huincacara
Author URI: https://vhuinca.cl
Description: Tema moderno para Ventanas Huincacara con videos de fondo y galería de proyectos. Especialistas en ventanas y puertas a medida en aluminio y PVC.
Version: 1.0.0
License: GPL v2 or later
Text Domain: ventanas-huincacara
*/

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: #2a2a2a;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Contenedor principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 248, 248, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.site-logo img {
    height: 60px;
    width: auto;
}

/* Navegación */
.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-navigation a {
    color: #2a2a2a;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0;
}

.main-navigation a:hover {
    color: #1a1a1a;
    transform: translateY(-1px);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, #4a4a4a, #6a6a6a);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.main-navigation a:hover::after {
    width: 100%;
}

/* WhatsApp Menu Item */
.whatsapp-item {
    margin-left: 1rem;
}

.whatsapp-item .whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #25D366 !important;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    background: rgba(37, 211, 102, 0.1);
    transition: all 0.3s ease;
}

.whatsapp-item .whatsapp-link:hover {
    background: rgba(37, 211, 102, 0.2);
    transform: translateY(-2px);
}

.whatsapp-item .whatsapp-link::after {
    display: none;
}

.whatsapp-item svg {
    flex-shrink: 0;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #404040;
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section con Video */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;
}

/* Video wrapper para contener videos de fondo */
.video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    object-fit: cover;
    pointer-events: none;
    transform: none !important;
    will-change: auto;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.35) 0%, rgba(26, 26, 26, 0.45) 100%);
    z-index: -1;
    backdrop-filter: blur(1px);
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 400;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.5;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 16px 32px;
    background: white;
    color: #2a2a2a;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15), 0 4px 8px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #2a2a2a 0%, #4a4a4a 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1a1a1a 0%, #3a3a3a 100%);
    color: white;
    box-shadow: 0 8px 30px rgba(42, 42, 42, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
}

/* Secciones con video de fondo */
.video-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

.video-section .video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
}

.video-section .video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    object-fit: cover;
    pointer-events: none;
    transform: none !important;
    will-change: auto;
}

.section-content {
    position: relative;
    z-index: 2;
    padding: 4rem 0;
}

/* Servicios */
.services-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23f1f3f4" fill-opacity="0.4"><circle cx="30" cy="30" r="1.5"/></g></svg>') repeat;
    opacity: 0.3;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.95);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4a4a4a, #6a6a6a, #4a4a4a);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: -200% 0; }
}

.service-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #4a4a4a, #6a6a6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotateY(10deg);
}

/* Service Images and Slideshow */
.service-image {
    width: 100%;
    height: 80px;
    object-fit: contain;
    filter: grayscale(20%);
    transition: all 0.3s ease;
}

.service-card:hover .service-image {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.slideshow-container {
    position: relative;
    width: 100%;
    height: 80px;
    overflow: hidden;
    border-radius: 8px;
}

.slideshow {
    position: relative;
    width: 100%;
    height: 100%;
}

.slideshow-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    filter: grayscale(20%);
}

.slideshow-image.active {
    opacity: 1;
}

.service-card:hover .slideshow-image {
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* SVG Contact Icons */
.contact-icon-svg {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #4a4a4a, #6a6a6a);
    transition: all 0.3s ease;
    margin-right: 1rem;
    flex-shrink: 0;
    color: white;
}

.contact-icon-svg svg {
    width: 24px;
    height: 24px;
    transition: all 0.3s ease;
}

/* Specific Colors for Social Media Icons */
.contact-icon-svg.whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.contact-icon-svg.facebook {
    background: linear-gradient(135deg, #1877F2, #0d5bb8);
}

.contact-icon-svg.instagram {
    background: linear-gradient(135deg, #E4405F, #C13584, #833AB4);
}

/* Hover Effects */
.contact-item:hover .contact-icon-svg {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.contact-item:hover .contact-icon-svg:not(.whatsapp):not(.facebook):not(.instagram) {
    background: linear-gradient(135deg, #6a6a6a, #8a8a8a);
}

.contact-item:hover .contact-icon-svg.whatsapp {
    background: linear-gradient(135deg, #25D366, #1aa651);
}

.contact-item:hover .contact-icon-svg.facebook {
    background: linear-gradient(135deg, #1877F2, #145dbf);
}

.contact-item:hover .contact-icon-svg.instagram {
    background: linear-gradient(135deg, #F56040, #E4405F, #C13584);
}

.contact-item:hover .contact-icon-svg svg {
    transform: scale(1.1);
}

/* Glass Type Images */
.glass-image-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem auto;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.glass-image {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: brightness(1.2);
}

.type-card:hover .glass-image-container {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.type-card:hover .glass-image {
    transform: scale(1.1);
    filter: brightness(1.4);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Galería de Proyectos */
.gallery-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.gallery-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 20px rgba(0, 0, 0, 0.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.gallery-item:hover::after {
    transform: translateX(100%);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(42, 42, 42, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

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

.gallery-title {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Tipos de Ventanas */
.window-types {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.type-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.type-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Contacto */
.contact-section {
    padding: 5rem 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    padding: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: #606060;
    margin-right: 1rem;
    min-width: 30px;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #404040;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(224, 224, 224, 0.8);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(96, 96, 96, 0.5);
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #606060;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.site-footer {
    background: #2a2a2a;
    color: #f0f0f0;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #b0b0b0;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #888;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}

/* Lightbox para galería */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: #b0b0b0;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .main-navigation ul {
        flex-direction: column;
        padding: 80px 20px 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Efecto parallax */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Loading spinner */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #606060;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mejoras adicionales para dispositivos modernos */

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Mejoras para touch devices */
@media (hover: none) and (pointer: coarse) {
    .btn:hover,
    .service-card:hover,
    .gallery-item:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.95);
    }
    
    .service-card:active {
        transform: scale(0.98);
    }
}

/* Variables CSS para colores consistentes */
:root {
    --primary-dark: #2a2a2a;
    --primary-medium: #4a4a4a;
    --primary-light: #6a6a6a;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --border-glass: rgba(255, 255, 255, 0.2);
}

/* Utilidades de animación */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Focus states mejorados para accesibilidad */
.btn:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--primary-medium);
    outline-offset: 2px;
}

/* Mejoras responsive adicionales */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* WhatsApp Float Button Enhanced Styles */
.whatsapp-float:hover {
    background: linear-gradient(135deg, #1aa651, #0d7336) !important;
    transform: scale(1.1) !important;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6) !important;
}

.whatsapp-float.pulse {
    animation: pulse-whatsapp 1s ease-in-out;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 6px 25px rgba(37, 211, 102, 0.8);
        transform: scale(1.05);
    }
    100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
}