/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 700;
}

.loading-spinner {
    margin-bottom: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

.loading-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    color: #222;
    background: #faf9f6;
    overflow-x: hidden;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 13px 32px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    border: none;
    cursor: pointer;
    font-size: 1.08rem;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(220,38,38,0.07);
}

.btn-primary {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #dc2626;
    border: 2px solid #dc2626;
}

.btn-secondary:hover {
    background: #dc2626;
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
    }
    .logo {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-bottom: 10px;
    }
    .logo h2 {
        font-size: 1.5rem;
        text-align: center;
    }
    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0;
        background: white;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        display: none;
        box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #eee;
    }
    .nav-menu a {
        display: block;
        padding: 15px 0;
        font-size: 1.1rem;
    }
    .hamburger {
        display: flex;
        margin-left: auto;
    }
}

@media (max-width: 480px) {
    .logo h2 {
        font-size: 1.1rem;
    }
    .container {
        padding: 0 8px;
    }
}

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

.header-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #dc2626, transparent);
    animation: headerLoad 2s ease-in-out;
}

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

/* Tooltip for social links */
.social-links a::before {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.social-links a:hover::before {
    opacity: 1;
}

.navbar {
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(220, 38, 38, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

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

.logo h2 {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 28px;
    font-weight: 700;
    position: relative;
    transition: all 0.3s ease;
}

.logo h2:hover {
    transform: scale(1.05);
}

.logo h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo h2:hover::after {
    opacity: 1;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 15px;
}

.nav-menu a:hover {
    color: white;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
}

.nav-menu a::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 10px;
    background: rgba(220, 38, 38, 0.1);
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(220, 38, 38, 0.2);
    transform: scale(1.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #dc2626;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.9) 0%, rgba(185, 28, 28, 0.9) 100%),
                url('img/hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slider {
    text-align: center;
    color: white;
}

.slide {
    display: none;
}

.slide.active {
    display: block;
    animation: fadeIn 1s ease-in-out;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.hero-nav button {
    background: rgba(255,255,255,0.3);
    border: none;
    color: white;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-nav button:hover {
    background: rgba(255,255,255,0.5);
}

/* Features Section */
.features {
    padding: 60px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: #b91c1c;
    letter-spacing: 0.5px;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(220,38,38,0.08);
    padding: 32px 20px 24px 20px;
    text-align: center;
    transition: box-shadow 0.2s;
    border: 1px solid #ececec;
}

.feature-card:hover {
    box-shadow: 0 8px 32px rgba(220,38,38,0.15);
}

.feature-icon {
    font-size: 2.5rem;
    color: #dc2626;
    margin-bottom: 18px;
}

.feature-icon i {
    font-size: 2rem;
    color: #dc2626;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: #b91c1c;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-card p {
    color: #333;
    font-size: 1rem;
    opacity: 0.95;
}

/* About Section */
.about {
    padding: 60px 0;
    background: #f8f8f8;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature-card {
    background: white;
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon i {
    font-size: 2rem;
    color: white;
}
.feature-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.3rem;
}
.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .features {
        padding: 40px 0 30px 0;
    }
    .features h2 {
        font-size: 1.3rem;
    }
    .feature-card {
        padding: 18px 8px 14px 8px;
    }
}

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

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #2c3e50;
}

.about-text p {
    margin-bottom: 20px;
    color: #6c757d;
    font-size: 1.1rem;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 10px;
}

.stat p {
    color: #6c757d;
    font-weight: 500;
}

.about-image img {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(220,38,38,0.08);
    border: 1px solid #ececec;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}



/* Gallery Section */
.gallery {
    padding: 60px 0;
}

.gallery h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #2c3e50;
}



.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(220,38,38,0.08);
    border: 1px solid #ececec;
    padding: 8px 8px 0 8px;
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* Services Section */
.services {
    padding: 60px 0;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.service-card {
    background: white;
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.3rem;
}

.service-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Statistics Section */
.statistics {
    padding: 50px 0;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 60px 0;
    background: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.testimonial-item.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.testimonial-content {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    color: #dc2626;
    opacity: 0.3;
}

.stars {
    margin-bottom: 20px;
}

.stars i {
    color: #ffc107;
    font-size: 1.2rem;
    margin: 0 2px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #6c757d;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author h4 {
    color: #2c3e50;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.testimonial-author span {
    color: #dc2626;
    font-weight: 500;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.testimonial-nav button {
    background: #dc2626;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
}

.testimonial-nav button:hover {
    background: #b91c1c;
    transform: scale(1.1);
}

/* Certificates Section */
.certificates {
    padding: 60px 0;
}

.certificates h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

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

.certificate-item {
    text-align: center;
    padding: 30px 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-8px);
}

.certificate-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-icon i {
    font-size: 2rem;
    color: white;
}

.certificate-item h3 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.3rem;
}

.certificate-item p {
    color: #6c757d;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 60px 0;
    background: #f8f9fa;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.1rem;
}

.faq-question i {
    color: #dc2626;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 60px;
    opacity: 0.9;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
}

.contact-item h4 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.contact-item p {
    opacity: 0.9;
    line-height: 1.6;
}

.contact-form {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 15px;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background: rgba(255,255,255,0.9);
    color: #333;
    font-family: inherit;
    margin-bottom: 20px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

.contact-form button {
    width: 100%;
    background: white;
    color: #dc2626;
    font-weight: 600;
}

.contact-form button:hover {
    background: #f8f9fa;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    color: #dc2626;
    font-size: 1.5rem;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #dc2626;
}

.footer-section .social-links {
    margin-top: 20px;
}

.footer-section .social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #dc2626;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.footer-section .social-links a:hover {
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    opacity: 0.7;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: #dc2626;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1000;
    font-size: 18px;
}

.back-to-top:hover {
    background: #b91c1c;
    transform: translateY(-3px);
}

.back-to-top.show {
    display: flex;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    color: white;
}

.whatsapp-btn::before {
    content: 'WhatsApp ile iletişime geç';
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.whatsapp-btn::after {
    content: '';
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: #333;
    opacity: 0;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover::before,
.whatsapp-btn:hover::after {
    opacity: 1;
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 100%;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }
    
    .slide-content p {
        font-size: 1.1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .testimonial-content {
        padding: 30px 20px;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .features {
        padding: 32px 0 18px 0;
    }
    .features h2 {
        font-size: 1.1rem;
    }
    .feature-card {
        padding: 12px 4px 10px 4px;
    }
    .about-image img {
        max-width: 95vw;
        max-height: 220px;
    }
    .gallery-item img {
        max-width: 95vw;
        max-height: 220px;
    }
    .gallery-item {
        padding: 4px 2px 0 2px;
    }
    
    .feature-card,
    .service-card,
    .certificate-item {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .testimonial-content {
        padding: 25px 15px;
    }
    
    .faq-question {
        padding: 20px 15px;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer p {
        padding: 0 15px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .whatsapp-btn {
        width: 55px;
        height: 55px;
        font-size: 24px;
        bottom: 80px;
        right: 15px;
    }
    
    .whatsapp-btn::before {
        display: none;
    }
    
    .whatsapp-btn::after {
        display: none;
    }
}