:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary: #d4a017;
    --secondary-light: #fbbf24;
    --accent: #f97316;
    --accent-light: #fb923c;
    --success: #10b981;
    --dark: #1f2937;
    --light: #f9fafb;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.9) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    overflow-x: hidden;
    line-height: 1.7;
}

/* Tamil Font */
.tamil-text {
    font-family: 'Noto Sans Tamil', sans-serif;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-logo i {
    font-size: 50px;
    color: var(--primary);
}

.preloader-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Floating Shapes */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary);
    top: 60%;
    right: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--accent);
    bottom: 20%;
    left: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: var(--primary-light);
    top: 40%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(5deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(30px) rotate(-5deg); }
}

/* Navbar */
.navbar {
    padding: 15px 0;
    transition: all 0.4s ease;
    background: transparent;
}

.navbar.scrolled {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    transition: color 0.3s ease;
}

.navbar.scrolled .navbar-brand {
    color: var(--primary) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 10px 20px !important;
    margin: 0 5px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.navbar.scrolled .navbar-nav .nav-link {
    color: var(--dark) !important;
}

.navbar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white !important;
}

.navbar.scrolled .navbar-nav .nav-link:hover {
    background: var(--primary);
    color: white !important;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar.scrolled .navbar-toggler {
    border-color: var(--primary);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar.scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2830, 58, 138, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-secondary);
    color: var(--dark);
    padding: 10px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 25px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-tagline {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--secondary-light);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-subtagline {
    font-size: 1.3rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.hero-highlight {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--secondary-light);
    margin: 30px 0;
    text-shadow: 3px 3px 15px rgba(0, 0, 0, 0.4);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 3px 3px 15px rgba(0, 0, 0, 0.4); }
    to { text-shadow: 3px 3px 25px rgba(251, 191, 36, 0.6); }
}

.hero-classes {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.btn-hero {
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.4s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-hero-primary {
    background: var(--gradient-secondary);
    color: var(--dark);
    border: none;
    box-shadow: 0 5px 20px rgba(212, 160, 23, 0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 160, 23, 0.5);
    color: var(--dark);
}

.btn-hero-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-hero-accent {
    background: var(--gradient-accent);
    color: white;
    border: none;
    box-shadow: 0 5px 20px rgba(249, 115, 22, 0.4);
}

.btn-hero-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.5);
    color: white;
}

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

/* Section Styles */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 50px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-secondary);
    margin: 20px auto;
    border-radius: 2px;
}

/* About Section */
.about-section {
    background: linear-gradient(180deg, #f9fafb 0%, white 100%);
}

.about-image-wrapper {
    position: relative;
    padding: 20px;
}

.about-image {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--gradient-secondary);
    color: var(--dark);
    padding: 20px 30px;
    border-radius: 20px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 20px;
}

.about-features {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.about-features li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: var(--dark);
}

.about-features li i {
    color: var(--success);
    font-size: 1.5rem;
    margin-right: 15px;
}

/* Why Choose Us Section */
.why-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.why-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.why-section .section-title,
.why-section .section-subtitle {
    color: white;
}

.why-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    height: 100%;
}

.why-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.why-card i {
    font-size: 3rem;
    color: var(--secondary-light);
    margin-bottom: 20px;
}

.why-card h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

/* Courses Section */
.courses-section {
    background: linear-gradient(180deg, white 0%, #f3f4f6 100%);
}

.course-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    height: 100%;
    position: relative;
}

.course-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.course-header {
    background: var(--gradient-primary);
    padding: 30px 20px;
    text-align: center;
    color: white;
    position: relative;
}

.course-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradient-accent);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.course-body {
    padding: 25px;
}

.course-feature {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: #4b5563;
}

.course-feature i {
    color: var(--success);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Statistics Section */
.stats-section {
    background: url('https://images.pexels.com/photos/5212345/pexels-photo-5212345.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover fixed;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.stat-card {
    text-align: center;
    color: white;
    padding: 40px 20px;
}

.stat-icon {
    font-size: 3.5rem;
    color: var(--secondary-light);
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 500;
    opacity: 0.9;
}

/* Gallery Section */
.gallery-section {
    background: #f9fafb;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    margin-bottom: 30px;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-overlay i {
    font-size: 3rem;
    color: white;
    transform: scale(0.5);
    transition: transform 0.4s ease;
}

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

/* Features Section */
.features-section {
    background: linear-gradient(180deg, #f9fafb 0%, white 100%);
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-bottom-color: var(--primary);
}

.feature-icon-wrapper {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--gradient-secondary);
    transform: rotateY(180deg);
}

.feature-icon-wrapper i {
    font-size: 2.5rem;
    color: white;
}

.feature-card h5 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.feature-card p {
    color: #6b7280;
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--gradient-primary);
    position: relative;
}

.testimonials-section .section-title,
.testimonials-section .section-subtitle {
    color: white;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    margin: 15px;
    position: relative;
}

.testimonial-quote {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    color: var(--secondary-light);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 1.1rem;
    color: #4b5563;
    font-style: italic;
    margin-bottom: 25px;
    padding-top: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.testimonial-avatar i {
    font-size: 1.5rem;
    color: white;
}

.testimonial-name {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.testimonial-role {
    font-size: 0.9rem;
    color: #6b7280;
}

.testimonial-stars {
    color: var(--secondary);
    margin-top: 5px;
}

/* FAQ Section */
.faq-section {
    background: linear-gradient(180deg, white 0%, #f9fafb 100%);
}

.accordion-item {
    border: none;
    margin-bottom: 15px;
    border-radius: 15px !important;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.accordion-button {
    font-weight: 600;
    font-size: 1.1rem;
    padding: 20px 25px;
    background: white;
    color: var(--dark);
}

.accordion-button:not(.collapsed) {
    background: var(--primary);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231e3a8a'%3e%3cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 20px 25px;
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.8;
    background: white;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(180deg, #f9fafb 0%, white 100%);
}

.contact-info-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

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

.contact-label {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 5px;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
}

.enquiry-form {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.enquiry-form h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 30px;
}

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

.form-floating .form-control {
    border-radius: 12px;
    padding: 20px 15px;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.form-floating .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-floating label {
    padding: 20px 15px;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.4s ease;
}

.btn-submit:hover {
    background: var(--gradient-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.3);
}

.form-text {
    font-size: 0.85rem;
    color: var(--success);
    margin-top: 5px;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-text {
    color: #9ca3af;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1rem;
}

.footer-links a:hover {
    color: var(--secondary-light);
}

.footer-links a i {
    margin-right: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.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: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient-secondary);
    color: var(--dark);
    transform: translateY(-5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 50px;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.95rem;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    right: 25px;
    bottom: 100px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.1);
    color: white;
}

.floating-btn i {
    font-size: 1.8rem;
}

.floating-whatsapp {
    background: #25D366;
}

.floating-call {
    background: var(--gradient-primary);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    right: 25px;
    bottom: 25px;
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 997;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    color: var(--dark);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.lightbox-close:hover {
    transform: rotate(90deg);
}

/* Validation Styles */
.is-invalid {
    border-color: #ef4444 !important;
}

.invalid-feedback {
    color: #ef4444;
    font-size: 0.85rem;
    display: none;
}

.invalid-feedback.show {
    display: block;
}

/* Responsive Styles */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-highlight {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.4rem;
    }

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

    .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: 15px;
        margin-top: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .navbar-nav .nav-link {
        color: var(--dark) !important;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-highlight {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-hero {
        width: 100%;
        max-width: 280px;
    }

    .floating-buttons {
        right: 15px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .section {
        padding: 60px 0;
    }
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }