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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #042759;
}

/* Header */
.header {
    background: linear-gradient(135deg, #9ec4fd 0%, #dffaff 100%);
    padding: 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.decorative-circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    animation: float 8s ease-in-out infinite;
}

.circle:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 70%;
    right: 15%;
    animation-delay: 3s;
}

.circle:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 80%;
    animation-delay: 6s;
}

.logo {
    max-width: 300px;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(2px 2px 8px rgba(0,0,0,0.2));
    animation: fadeInDown 1s ease-out;
}

.tagline {
    font-size: 1.2rem;
    color: #042759;
    font-weight: 500;
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: white;
}

.hero h1 {
    font-size: 3rem;
    color: #042759;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero p {
    font-size: 1.3rem;
    color: #085b91;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #085b91, #42a5f5);
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(8, 91, 145, 0.3);
    animation: pulse 2s infinite;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 91, 145, 0.4);
}

.whatsapp-icon {
    margin-right: 0.5rem;
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

.whatsapp-svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

/* Floating buttons */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.whatsapp-float {
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50px;
    text-align: center;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background: #20ba56;
    transform: scale(1.1);
    color: white;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.cart-float {
    width: 60px;
    height: 60px;
    background: #085b91;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    position: relative;
}

.cart-float:hover {
    background: #042759;
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    font-size: 12px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 25px;
}

/* Features Section */
.features {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8fbff 0%, #e3f4ff 100%);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #042759;
    margin-bottom: 3rem;
    font-weight: bold;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #042759;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #085b91;
    line-height: 1.6;
}

/* Products Section */
.products {
    padding: 4rem 2rem;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transition: all 0.3s ease;
    border: 1px solid #e3f4ff;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.18);
}

.product-image {
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fbff 0%, #e3f4ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.product-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-content {
    padding: 2rem;
}

.product-content h3 {
    font-size: 1.8rem;
    color: #042759;
    margin-bottom: 1rem;
    font-weight: bold;
}

.product-description {
    color: #085b91;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    color: #042759;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

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

.product-button {
    display: inline-block;
    background: linear-gradient(135deg, #085b91, #42a5f5);
    color: white;
    padding: 0.9rem 2rem;
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(8, 91, 145, 0.3);
    width: 100%;
    max-width: 280px;
}

.product-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 91, 145, 0.4);
    color: white;
}

.product-price {
    font-size: 1.5rem;
    color: #085b91;
    font-weight: bold;
    margin-bottom: 1rem;
}

.add-to-cart-btn {
    display: inline-block;
    background: linear-gradient(135deg, #085b91, #42a5f5);
    color: white;
    padding: 0.9rem 2rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(8, 91, 145, 0.3);
    width: 100%;
    max-width: 280px;
}

.add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 91, 145, 0.4);
}

/* Kit Details */
.kit-details {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8fbff 0%, #e3f4ff 100%);
}

.kit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.kit-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #085b91;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.kit-item:hover {
    transform: translateY(-3px);
}

.kit-item h4 {
    color: #042759;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.kit-item p {
    color: #085b91;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #042759 0%, #085b91 100%);
    color: white;
    text-align: center;
}

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

.contact p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    background: rgba(255,255,255,0.1);
    padding: 1rem 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: #042759;
    color: white;
    text-align: center;
    padding: 2rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Shopping Cart Styles */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 1001;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: 2rem;
    border-bottom: 1px solid #e3f4ff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fbff;
}

.cart-header h3 {
    margin: 0;
    color: #042759;
    font-size: 1.5rem;
}

.close-cart-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #085b91;
    transition: color 0.3s ease;
}

.close-cart-btn:hover {
    color: #042759;
}

.cart-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cart-items {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    color: #085b91;
}

.empty-cart-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.cart-item {
    display: flex;
    padding: 1rem;
    border-bottom: 1px solid #e3f4ff;
    gap: 1rem;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: #f8fbff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cart-item-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.cart-item-details {
    flex: 1;
}

.cart-item-name {
    font-weight: bold;
    color: #042759;
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: #085b91;
    font-weight: bold;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.quantity-btn {
    background: #085b91;
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.quantity-btn:hover {
    background: #042759;
}

.quantity-display {
    font-weight: bold;
    min-width: 30px;
    text-align: center;
    color: #042759;
}

.remove-item-btn {
    background: #ff4757;
    color: white;
    border: none;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    cursor: pointer;
    font-size: 12px;
    margin-left: auto;
    transition: background 0.3s ease;
}

.remove-item-btn:hover {
    background: #ff3838;
}

.cart-footer {
    padding: 2rem;
    border-top: 1px solid #e3f4ff;
    background: #f8fbff;
}

.cart-total {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: #042759;
    text-align: center;
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, #085b91, #42a5f5);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(8, 91, 145, 0.3);
}

.checkout-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 91, 145, 0.4);
}

.checkout-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2rem;
    }
    
    .kit-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .hero {
        padding: 3rem 1.5rem;
    }
    
    .features, .products, .kit-details, .contact {
        padding: 3rem 1.5rem;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .logo {
        max-width: 250px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .kit-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1rem 1.5rem;
    }
    
    .cta-button {
        padding: 0.9rem 2rem;
        font-size: 1.1rem;
    }
    
    .product-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    .header {
        padding: 1.5rem 1rem;
    }
    
    .hero {
        padding: 2.5rem 1rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 1.7rem;
        margin-bottom: 2rem;
    }
    
    .logo {
        max-width: 220px;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .features, .products, .kit-details, .contact {
        padding: 2.5rem 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card {
        max-width: 100%;
    }
    
    .product-content {
        padding: 1.5rem;
    }
    
    .product-content h3 {
        font-size: 1.5rem;
    }
    
    .kit-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .kit-item {
        padding: 1.2rem;
    }
    
    .contact h2 {
        font-size: 2rem;
    }
    
    .contact p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }
    
    .product-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
        width: 100%;
        max-width: 250px;
    }
    
    .add-to-cart-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
        width: 100%;
        max-width: 250px;
    }
    
    .product-price {
        font-size: 1.3rem;
    }
    
    .whatsapp-icon {
        width: 18px;
        height: 18px;
    }
    
    .floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 10px;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    .cart-float {
        width: 55px;
        height: 55px;
        font-size: 20px;
    }
    
    .cart-sidebar {
        width: 350px;
        right: -350px;
    }
    
    .cart-header {
        padding: 1.5rem;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .logo {
        max-width: 200px;
    }
    
    .feature-card {
        padding: 1.2rem;
    }
    
    .product-content {
        padding: 1.2rem;
    }
    
    .product-price {
        font-size: 1.2rem;
    }
    
    .add-to-cart-btn {
        padding: 0.7rem 1rem;
        font-size: 0.9rem;
        width: 100%;
        max-width: 220px;
    }
    
    .kit-item {
        padding: 1rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .floating-buttons {
        bottom: 10px;
        right: 10px;
        gap: 8px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-float svg {
        width: 25px;
        height: 25px;
    }
    
    .cart-float {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    .cart-sidebar {
        width: 300px;
        right: -300px;
    }
    
    .cart-header {
        padding: 1rem;
    }
    
    .cart-footer {
        padding: 1.5rem;
    }
}