:root {
    --primary-color: #10B981; /* Green */
    --primary-dark: #059669;
    --primary-light: #D1FAE5;
    --secondary-color: #2563EB; /* Blue */
    --secondary-dark: #1D4ED8;
    --text-main: #1F2937;
    --text-light: #4B5563;
    --text-muted: #9CA3AF;
    --bg-main: #FFFFFF;
    --bg-light: #F3F4F6;
    --bg-dark: #111827;
    --border-color: #E5E7EB;
    
    --font-en: 'Inter', sans-serif;
    --font-ta: 'Noto Sans Tamil', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-en);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Tamil Text Support */
.hero-title, .hero-tagline, .sub-heading, .review-text-ta {
    font-family: var(--font-ta);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-main);
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

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

.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-4 { margin-bottom: 2rem; }
.w-100 { width: 100%; }

.bg-light {
    background-color: var(--bg-light);
}

/* Language Bar */
.language-bar {
    background-color: var(--bg-dark);
    color: white;
    padding: 0.5rem 0;
    font-size: 0.85rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.language-bar span {
    color: var(--primary-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 211, 102, 0.39);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-outline:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* Typography Headings */
.section-heading {
    margin-bottom: 3rem;
}

.sub-heading {
    display: inline-block;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.section-heading h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 35px; /* Account for language bar */
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    top: 0;
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary-color);
    line-height: 1;
}

.logo-text p {
    font-size: 0.75rem;
    margin: 0;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    background-image: url('https://images.unsplash.com/photo-1449965408869-eaa3f722e40d?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(17, 24, 39, 0.9) 0%, rgba(17, 24, 39, 0.7) 50%, rgba(17, 24, 39, 0.4) 100%);
    z-index: 1;
}

.hero-kolam {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 30px 30px;
    opacity: 0.3;
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    color: white;
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.location-badge i {
    color: var(--primary-color);
}

.hero-title {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: #E5E7EB;
    margin-bottom: 1rem;
}

.hero-tagline {
    font-size: 1.25rem;
    color: #9CA3AF;
    margin-bottom: 2.5rem;
    font-style: italic;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.trust-signals {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #E5E7EB;
}

.trust-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.about-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 20px;
    transition: transform 0.5s;
}

.about-image-wrapper:hover .about-img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: -15px;
    right: -15px;
    background-color: var(--secondary-color);
    color: white;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.5);
    border: 6px solid white;
    z-index: 10;
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
}

.about-features {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-main);
}

.about-features i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: -1;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary-color);
    color: white;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* Vehicle Registration Section */
.vehicle-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.vehicle-category {
    background-color: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.vehicle-category:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.category-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.vehicle-category:hover .category-icon {
    color: white;
}

.heavy-vehicles-list h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.truck-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.truck-item {
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    transition: var(--transition);
}

.truck-item:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

/* Registration Form */
.registration-form-wrapper {
    background-color: white;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.form-container {
    padding: 3rem;
}

.form-container h3 {
    margin-bottom: 0.5rem;
}

.form-container p {
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.form-group input, .form-group select {
    padding: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Why Us Section */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--secondary-color);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.feature-text h4 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.feature-text p {
    margin: 0;
    font-size: 0.95rem;
}

.why-us-image {
    position: relative;
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.image-grid img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.img-1 {
    grid-column: 1 / 3;
    height: 250px;
    object-fit: cover;
}

.img-2 {
    grid-column: 2 / 3;
    margin-top: -50px;
    margin-right: -20px;
    height: 200px;
    object-fit: cover;
    border: 8px solid white;
}

.circle-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background-color: var(--primary-light);
    border-radius: 50%;
    z-index: 1;
    opacity: 0.5;
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.quote-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: var(--primary-light);
    opacity: 0.5;
}

.review-text-ta {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.review-text-en {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.reviewer-info h4 {
    margin-bottom: 0.25rem;
}

.stars {
    color: #F59E0B;
    font-size: 0.875rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.icon-box {
    width: 48px;
    height: 48px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.whatsapp-icon {
    background-color: #DCF8C6;
    color: #25D366;
}

.contact-item h5 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-link {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-main);
}

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

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

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: transform 0.3s;
}

.social-icon:hover {
    transform: translateY(-3px);
}

.instagram { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.tiktok { background-color: #000000; }
.facebook { background-color: #1877F2; }

.map-container {
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: #E5E7EB;
    padding-top: 5rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-text h2 {
    color: white;
    font-size: 1.5rem;
}

.footer-brand p {
    color: #9CA3AF;
}

.footer h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-links ul, .footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a, .footer-services li {
    color: #9CA3AF;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #9CA3AF;
    font-size: 0.875rem;
}

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

.footer-social a {
    color: #9CA3AF;
    font-size: 1.25rem;
}

.footer-social a:hover {
    color: white;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

/* Animations */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.slide-right {
    transform: translateX(-50px);
}

.slide-left {
    transform: translateX(50px);
}

.slide-right.active, .slide-left.active {
    transform: translateX(0);
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .why-us-grid, .contact-grid, .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .why-us-image {
        grid-row: 1;
    }
    
    .experience-badge {
        right: 20px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .navbar {
        top: 35px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: 0.4s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-contact {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .trust-signals {
        flex-direction: column;
        gap: 1rem;
    }

    .form-container {
        padding: 1.5rem;
    }
}