/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
}

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

/* Header Styles */
.header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.logo img {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #666666;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #333333;
    transition: width 0.3s ease;
}

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

.whatsapp-contact {
    display: flex;
    align-items: center;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #25D366;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 2px solid #25D366;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.whatsapp-link:hover {
    background-color: #25D366;
    color: white;
}

.whatsapp-link i {
    font-size: 1.2rem;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333333;
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-nav {
    display: none;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 999;
}

.mobile-nav-list {
    list-style: none;
    padding: 1rem 0;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 2rem;
    text-decoration: none;
    color: #333333;
    font-weight: 500;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.3s ease;
}

.mobile-nav-link:hover {
    background-color: #f8f8f8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 150px 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #333333;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #333333;
    color: white;
}

.btn-primary:hover {
    background-color: #555555;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333333;
    margin-bottom: 1rem;
}

/* Services Section */
.services {
    background-color: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: #333333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 1.8rem;
    color: white;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333333;
    margin-bottom: 1rem;
}

.service-description {
    color: #666666;
    line-height: 1.6;
}

/* About Section */
.about {
    background-color: white;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.2rem;
    color: #666666;
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form {
    background-color: white;
    padding: 2.5rem;
    border-radius: 10px;
    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: #333333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #333333;
}

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

.error-message {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

.contact-info {
    padding: 1rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: #333333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: white;
}

.contact-details h4 {
    font-weight: 600;
    color: #333333;
    margin-bottom: 0.5rem;
}

.contact-details a,
.contact-details p {
    color: #666666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: #333333;
}



/* Footer */
.footer {
    background-color: #333333;
    color: white;
    padding: 2rem 0;
}

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

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: #555555;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: #25D366;
    transform: translateY(-2px);
}

.social-link i {
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    /* Header Mobile */
    .nav {
        display: none;
    }

    .whatsapp-contact {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Hero Mobile */
    .hero {
        padding: 130px 0 60px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    /* Sections Mobile */
    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    /* Contact Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 1.5rem 1rem;
    }

    .service-card {
        padding: 1.5rem 1rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form Validation States */
.form-group.error input,
.form-group.error textarea {
    border-color: #dc3545;
}

.form-group.success input,
.form-group.success textarea {
    border-color: #28a745;
}

/* Loading State */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    margin-left: 10px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    display: inline-block;
    animation: spin 1s linear infinite;
}

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

/* Mobile Navigation Active State */
.mobile-nav.active {
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}