:root {
    /* Color Palette */
    --clean-aqua: #00BCD4;
    --pure-white: #FFFFFF;
    --lemon-yellow: #FFD54F;
    --mint-green: #66BB6A;
    --dark-text: #333333;
    --gray-text: #666666;
    --light-gray: #F5F5F5;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-strong: rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 200ms ease-out;
    --transition-normal: 300ms ease-out;
    --transition-slow: 500ms ease-out;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--pure-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 2px 20px var(--shadow-light);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--clean-aqua);
    text-transform: lowercase;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--clean-aqua);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.bar {
    width: 24px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 2px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.7), rgba(102, 187, 106, 0.5));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--pure-white);
    animation: fadeInUp 1s ease-out;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
}

.brand-name {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    text-transform: lowercase;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 10px var(--shadow-strong);
}

.logo-underline {
    width: 120px;
    height: 4px;
    background: var(--lemon-yellow);
    margin: 0 auto;
    border-radius: 2px;
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xl);
    text-shadow: 1px 1px 5px var(--shadow-medium);
}

.cta-button {
    background: var(--lemon-yellow);
    color: var(--dark-text);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(255, 213, 79, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 213, 79, 0.6);
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--clean-aqua);
    color: var(--pure-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-semibold);
    border-radius: 50px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.4);
}

.sticky-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.sticky-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.6);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--dark-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--clean-aqua);
    border-radius: 2px;
}

/* Collection Section */
.collection {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.product-card {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px var(--shadow-light);
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-medium);
}

.product-image-container {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 188, 212, 0.95);
    color: var(--pure-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    padding: var(--spacing-md);
    text-align: center;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay h4 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.product-overlay ul {
    list-style: none;
    font-size: 0.9rem;
}

.product-overlay li {
    margin: var(--spacing-xs) 0;
    position: relative;
    padding-left: 20px;
}

.product-overlay li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lemon-yellow);
    font-weight: bold;
}

.product-info {
    padding: var(--spacing-lg);
}

.product-info h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

.product-info p {
    color: var(--gray-text);
    line-height: 1.5;
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px var(--shadow-light);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-image {
    height: 200px;
    overflow: hidden;
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.testimonial-author {
    color: var(--clean-aqua);
    font-weight: var(--font-weight-semibold);
}

/* Featured Products Carousel */
.featured-products {
    padding: var(--spacing-xxl) 0;
    background: var(--pure-white);
}

.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.carousel {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.carousel-slide {
    display: none;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 400px;
}

.carousel-slide.active {
    display: grid;
}

.slide-image {
    height: 400px;
    overflow: hidden;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    padding: var(--spacing-xl);
    background: var(--pure-white);
}

.slide-content h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 30px;
    font-size: 1.1rem;
    color: var(--gray-text);
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--clean-aqua);
    font-size: 1.5rem;
    font-weight: bold;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 188, 212, 0.9);
    color: var(--pure-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--clean-aqua);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: -25px;
}

.next-btn {
    right: -25px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dot.active {
    background: var(--clean-aqua);
}

/* Newsletter */
.newsletter {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--clean-aqua), var(--mint-green));
    color: var(--pure-white);
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.newsletter-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-md);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
}

.newsletter-form button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--lemon-yellow);
    color: var(--dark-text);
    border: none;
    border-radius: 50px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 213, 79, 0.4);
}

/* Footer */
.footer {
    background: var(--dark-text);
    color: var(--pure-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--clean-aqua);
    display: block;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: #ccc;
    line-height: 1.6;
}

.footer-nav h4,
.footer-social h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--clean-aqua);
}

.footer-nav a {
    display: block;
    color: #ccc;
    text-decoration: none;
    margin: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--clean-aqua);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    color: #ccc;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--clean-aqua);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #ccc;
}

/* Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.popup {
    background: var(--pure-white);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
    max-width: 400px;
    margin: var(--spacing-sm);
    transform: translateY(-30px);
    transition: transform var(--transition-normal);
}

.popup-overlay.active .popup {
    transform: translateY(0);
}

.popup-icon {
    width: 60px;
    height: 60px;
    background: var(--mint-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--pure-white);
    margin: 0 auto var(--spacing-lg);
}

.popup h3 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
}

.popup p {
    color: var(--gray-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.popup-close {
    background: var(--clean-aqua);
    color: var(--pure-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: 50px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.popup-close:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--pure-white);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        box-shadow: 0 10px 27px var(--shadow-light);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .brand-name {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

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

    .products-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .carousel-slide {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .slide-image {
        height: 250px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }

    .newsletter-form {
        flex-direction: column;
        align-items: center;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
        max-width: 300px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .brand-name {
        font-size: 2rem;
    }

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

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

    .sticky-cta {
        bottom: var(--spacing-xs);
        right: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--clean-aqua);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}