/* Custom Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --light-gray: #ecf0f1;
    --dark-gray: #7f8c8d;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

/* Fixed Buttons */
.fixed-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-call, .btn-whatsapp {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.btn-call {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.btn-call:hover, .btn-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
    color: white;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(231, 76, 60, 0); }
    100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0); }
}

/* Header */
.navbar {
    background: rgba(44, 62, 80, 0.95) !important;
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--white) !important;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.carousel-item {
    position: relative;
    min-height: 100vh;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(52, 73, 94, 0.6));
}

.hero-content {
    position: relative;
    z-index: 10;
    color: white;
    padding: 2rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.carousel-indicators button {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin: 0 5px;
}

.carousel-control-prev, .carousel-control-next {
    width: 5%;
}

/* About Section */
#about {
    padding: 5rem 0;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

.about-content {
    padding: 2rem 0;
}

.about-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.feature-item i {
    font-size: 2rem;
    margin-right: 1rem;
    margin-top: 0.5rem;
}

.feature-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Services Section */
.service-card {
    background: var(--white);
    padding: 2.5rem 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 3px solid var(--accent-color);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.service-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Gallery Section */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay i {
    color: white;
    font-size: 3rem;
    transform: scale(0.5);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* Videos Section */
.video-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    background: var(--white);
}

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

.video-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.video-overlay i {
    color: white;
    font-size: 3rem;
    transform: scale(0.8);
    transition: var(--transition);
}

.video-item:hover .video-overlay i {
    transform: scale(1);
}

.video-title {
    padding: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    text-align: center;
}

/* Why Us Section */
.why-us-card {
    padding: 2rem 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.why-us-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.why-us-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
}

.why-us-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* FAQ Section */
.accordion-button {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    border: none;
    box-shadow: none;
    padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
    background: var(--accent-color);
    color: white;
}

.accordion-button::after {
    filter: brightness(0) invert(1);
}

.accordion-button:not(.collapsed)::after {
    filter: none;
}

.accordion-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-body {
    padding: 1.5rem;
    background: var(--light-gray);
}

/* Clients Section */
.clients-slider {
    display: flex;
    animation: scroll 20s linear infinite;
    gap: 2rem;
}

.client-item {
    min-width: 200px;
    text-align: center;
    padding: 2rem 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.client-logo h5 {
    color: var(--primary-color);
    font-weight: 600;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Contact Section */
.contact-info {
    padding: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.contact-details h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-details p {
    margin: 0;
    color: var(--dark-gray);
}

.contact-details a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.contact-form {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-control {
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    padding: 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: rgba(255, 255, 255, 0.8);
}

.footer h4, .footer h5 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    color: white;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact-item i {
    margin-right: 1rem;
    color: var(--accent-color);
    width: 20px;
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact-item a:hover {
    color: var(--white);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-copyright, .footer-credit {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.modal-body {
    padding: 0;
}

.btn-close {
    z-index: 1050;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .fixed-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .btn-call, .btn-whatsapp {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .hero-buttons .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .clients-slider {
        animation-duration: 15s;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 576px) {
    .hero-content {
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .service-card, .why-us-card {
        padding: 2rem 1rem;
    }
    
    .gallery-item img, .video-item img {
        height: 200px;
    }
    
    .video-overlay {
        height: 200px;
    }
}

/* Animation Classes */
/*.fade-in {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}*/

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 2s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Hover Effects */
.hover-lift {
    transition: var(--transition);
}

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

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border: none;
    border-radius: var(--border-radius);
    padding: 0.8rem 2rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    padding: 0.8rem 2rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}