/* 
 * Dirty Waterz - Premium Water Filtration Solutions
 * Main Stylesheet
 * Version: 1.0
 */

/* ===== CSS VARIABLES ===== */
:root {
    /* Primary Colors */
    --primary: #1A5F7A;
    --primary-light: #57C5B6;
    --primary-dark: #002B5B;
    --secondary: #159895;
    
    /* Accent Colors */
    --accent: #E3F6FF;
    --accent-dark: #8FE3CF;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --black: #212529;
    
    /* UI Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2.5rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 3px;
    --border-radius: 5px;
    --border-radius-lg: 10px;
    --border-radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Container Width */
    --container-width: 1200px;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* For fixed header */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-dark);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary);
}

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

/* ===== CONTAINER & STRUCTURE ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-light);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--border-radius-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    margin: -1.5rem auto var(--spacing-xl);
    max-width: 800px;
    color: var(--gray);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary-dark);
}

nav ul {
    display: flex;
    gap: var(--spacing-lg);
    margin: 0;
}

nav ul li {
    list-style: none;
}

nav ul li a {
    font-weight: 500;
    font-family: var(--font-heading);
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--primary);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 95, 122, 0.8), rgba(0, 43, 91, 0.9)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%231A5F7A"/><path d="M0 50 Q 25 30, 50 50 T 100 50 L 100 100 L 0 100 Z" fill="%2357C5B6"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--white);
    margin-top: 80px; /* For fixed header */
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(to top, var(--white), transparent);
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    line-height: 1.2;
}

.hero-content h2 span {
    color: var(--accent);
    position: relative;
}

.hero-content h2 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--light-gray);
    max-width: 600px;
}

/* ===== PRODUCTS SECTION ===== */
.products {
    background-color: var(--light-gray);
}

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

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-card.featured {
    border: 2px solid var(--primary);
    position: relative;
    z-index: 2;
    transform: scale(1.05);
}

.product-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.product-icon {
    margin-bottom: var(--spacing-md);
    font-size: 2.5rem;
    color: var(--primary);
}

.product-card h3 {
    margin-bottom: var(--spacing-md);
}

.product-card p {
    margin-bottom: var(--spacing-lg);
    color: var(--gray);
}

.product-card .price {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-top: auto;
    margin-bottom: var(--spacing-lg);
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
}

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

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    font-weight: 700;
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--gray);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    background-color: var(--primary-dark);
    color: var(--white);
}

.testimonials .section-title {
    color: var(--white);
}

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

.testimonial {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.stars {
    color: var(--warning);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial p {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--light-gray);
}

.testimonial-author {
    margin-top: auto;
}

.testimonial-author p {
    margin-bottom: var(--spacing-xs);
    color: var(--accent);
    font-style: normal;
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--light-gray);
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-family: var(--font-heading);
    color: var(--gray);
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.info-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.info-item h3 {
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    margin-bottom: var(--spacing-xs);
    color: var(--gray);
}

.contact-form {
    background-color: var(--light-gray);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.3);
}

/* ===== ENTERTAINMENT SECTION ===== */
.entertainment {
    background-color: var(--accent);
}

.entertainment-links {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.link-card h3 {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.link-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.link-card ul li {
    margin-bottom: var(--spacing-sm);
}

.link-card ul li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--primary-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
}

.link-card ul li a:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--primary-dark);
    color: var(--light-gray);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-logo p {
    color: var(--accent);
}

.footer-links h3, .footer-contact h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

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

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li a {
    color: var(--accent);
}

.footer-links ul li a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-contact p {
    margin-bottom: var(--spacing-sm);
}

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

.social-icon {
    font-size: 1.5rem;
    color: var(--accent);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: var(--accent);
}

.footer-legal a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-content h2 {
        font-size: 3rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        flex-direction: column;
        background-color: var(--white);
        padding: var(--spacing-xl);
        transition: var(--transition);
        gap: var(--spacing-lg);
        z-index: 999;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li a {
        font-size: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-grid, .benefits-grid, .testimonial-slider {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}