:root {
    --primary-color: #1e90ff;
    --secondary-color: #0056b3;
    --dark-blue: #0a1931;
    --light-blue: #e6f2ff;
    --text-color: #333;
    --white: #ffffff;
    --background-color: #ffffff;
    --section-background: #ffffff;
    --light-section-background: #e6f2ff;
    --secondary-text-color: #666;
}

body.dark-mode {
    --primary-color: #1e90ff;
    --secondary-color: #4da6ff;
    --dark-blue: #0a0a0a;
    --light-blue: #2a2a2a;
    --text-color: #e0e0e0;
    --white: #121212;
    --background-color: #121212;
    --section-background: #1e1e1e;
    --light-section-background: #2a2a2a;
    --secondary-text-color: #aaa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    background-color: var(--background-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: background-color 0.3s;
}

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

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo span {
    color: var(--dark-blue);
}

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

.nav-item {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-right {
    display: flex;
    align-items: center;
}

.phone {
    margin-right: 20px;
    font-weight: 500;
}

.cart-icon {
    font-size: 20px;
    color: var(--text-color);
    margin-right: 15px;
}

.login-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s;
}

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

.theme-toggle {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.theme-toggle:hover {
    background-color: var(--primary-color);
    color: white;
}

.hero {
    background: linear-gradient(to right, var(--background-color), var(--light-blue));
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
}

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

.hero-text {
    flex: 1;
    padding-right: 50px;
}

.hero-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-text h1 span {
    color: var(--primary-color);
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--secondary-text-color);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    margin-left: 15px;
}

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

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    max-width: 450px;
    display: block;
    margin: 0 auto;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title h2 span {
    color: var(--primary-color);
}

.section-title p {
    color: var(--secondary-text-color);
    max-width: 700px;
    margin: 0 auto;
}

.composition {
    padding: 50px 0;
    background-color: var(--section-background);
    transition: background-color 0.3s;
}

.composition-chart {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.composition-circle {
    width: 300px;
    height: 300px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    transition: background-color 0.3s;
}

.composition-item {
    position: absolute;
    width: 150px;
}

.composition-item:nth-child(1) {
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.composition-item:nth-child(2) {
    top: 50px;
    right: -100px;
}

.composition-item:nth-child(3) {
    bottom: 50px;
    right: -100px;
}

.composition-item:nth-child(4) {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.composition-item:nth-child(5) {
    bottom: 50px;
    left: -100px;
}

.composition-item:nth-child(6) {
    top: 50px;
    left: -100px;
}

.composition-item h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.composition-item p {
    font-size: 14px;
    color: var(--secondary-text-color);
}

.water-options {
    background-color: var(--light-section-background);
    padding: 80px 0;
    transition: background-color 0.3s;
}

.options-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
}

.option-card {
    background-color: var(--section-background);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, background-color 0.3s;
    flex: 1;
}

.option-card:hover {
    transform: translateY(-10px);
}

.option-card img {
    height: 150px;
    margin-bottom: 20px;
}

.option-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.option-card p {
    color: var(--secondary-text-color);
    margin-bottom: 20px;
}

.option-card .price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.delivery-service {
    padding: 80px 0;
    background-color: var(--background-color);
    transition: background-color 0.3s;
}

.delivery-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.delivery-image {
    flex: 1;
}

.delivery-image img {
    width: 100%;
    border-radius: 10px;
}

.delivery-content {
    flex: 1;
}

.delivery-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.delivery-content h2 span {
    color: var(--primary-color);
}

.delivery-content p {
    margin-bottom: 30px;
    color: var(--secondary-text-color);
}

.delivery-features {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 15px;
    transition: background-color 0.3s;
}

.feature-text h4 {
    margin-bottom: 5px;
}

.feature-text p {
    margin-bottom: 0;
    font-size: 14px;
}

.our-story {
    background-color: var(--section-background);
    padding: 80px 0;
    text-align: center;
    transition: background-color 0.3s;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-content p {
    margin-bottom: 40px;
    color: var(--secondary-text-color);
}

.story-features {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 50px;
}

.story-feature {
    text-align: center;
    flex: 1;
}

.story-feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 30px;
    transition: background-color 0.3s;
}

.story-feature h4 {
    margin-bottom: 10px;
}

.extraction {
    background-color: var(--light-section-background);
    padding: 80px 0;
    transition: background-color 0.3s;
}

.extraction-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.extraction-content {
    flex: 1;
}

.extraction-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.extraction-content h2 span {
    color: var(--primary-color);
}

.extraction-content p {
    margin-bottom: 30px;
    color: var(--secondary-text-color);
}

.extraction-image {
    flex: 1;
}

.extraction-image img {
    width: 100%;
    border-radius: 10px;
}

.testimonials {
    padding: 80px 0;
    background-color: var(--background-color);
    transition: background-color 0.3s;
}

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

.testimonial-slide {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 30px;
    background-color: var(--section-background);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.testimonial-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 30px;
    flex-shrink: 0;
}

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

.testimonial-content h4 {
    margin-bottom: 10px;
    font-size: 20px;
}

.testimonial-content p {
    color: var(--secondary-text-color);
    margin-bottom: 15px;
}

.testimonial-content .rating {
    color: #ffc107;
    font-size: 18px;
}

.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--section-background);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    margin: 0 10px;
}

.control-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.stats {
    display: flex;
    justify-content: space-around;
    margin: 50px 0;
    text-align: center;
}

.stat {
    flex: 1;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    color: var(--secondary-text-color);
    font-size: 16px;
}

.footer {
    background-color: var(--dark-blue);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    transition: background-color 0.3s;
}

.footer a {
    color: var(--primary-color);

    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: #b5b5b5;
}

/* Animation Classes */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.slide-right {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.show {
    opacity: 1;
    transform: translate(0, 0);
}

@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .composition-item {
        position: static;
        margin-bottom: 20px;
        transform: none;
    }

    .composition-circle {
        margin-bottom: 30px;
    }

    .options-container,
    .story-features,
    .blog-container {
        flex-direction: column;
    }

    .option-card,
    .story-feature,
    .blog-card {
        margin-bottom: 30px;
    }

    .delivery-container,
    .extraction-container {
        flex-direction: column-reverse;
        gap: 30px;
    }

    .footer-container {
        flex-direction: column;
        gap: 30px;
    }
}