/* ============================================
   Colon Cleanser Tea - Modern UI/UX Optimized Styles
   ============================================ */

/* CSS Variables for Design System */
:root {
    /* Colors */
    --primary-green: #76c043;
    --primary-green-light: #8dd155;
    --primary-green-dark: #5da639;
    --dark-green: #2d5016;
    --accent-green: #4caf50;
    --light-green: #e8f5e9;
    --text-dark: #1a1a1a;
    --text-medium: #555;
    --text-light: #777;
    --white: #ffffff;
    --off-white: #f9fafb;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    --shadow-colored: 0 8px 32px rgba(118, 192, 67, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #76c043 0%, #5da639 50%, #2d5016 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Tahoma', 'Geneva', 'Verdana', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--off-white);
    direction: rtl;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-medium);
}

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

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    border-radius: var(--radius-full);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255,255,255,0.3);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-image {
    margin: var(--spacing-xl) auto;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.hero-image:hover img {
    transform: scale(1.02);
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    color: var(--dark-green);
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    font-weight: 700;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    border: none;
    cursor: pointer;
}

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

.btn-primary i {
    font-size: 1.1em;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: transparent;
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.5);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

/* ============================================
   Product Details Section
   ============================================ */
.product-details {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(to bottom, var(--white), var(--off-white));
}

.product-description {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-medium);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.product-detail-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) auto;
    display: block;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-slow);
}

.product-detail-img:hover {
    transform: scale(1.02);
}

.benefits-list {
    display: grid;
    gap: var(--spacing-md);
    max-width: 700px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border-right: 4px solid var(--primary-green);
}

.benefit-item:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-item .checkmark {
    color: var(--primary-green);
    font-size: 1.5rem;
    font-weight: bold;
}

/* ============================================
   Ingredients Section
   ============================================ */
.ingredients-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--light-green);
}

.ingredients-intro {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.ingredients-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    list-style: none;
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.ingredients-list li {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.ingredients-list li:hover {
    border-color: var(--primary-green);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.ingredients-note {
    text-align: center;
    font-style: italic;
    color: var(--dark-green);
    background: rgba(118, 192, 67, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Product Gallery
   ============================================ */
.product-gallery {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ============================================
   Why Choose Us Section
   ============================================ */
.why-choose-us {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(to bottom, var(--off-white), var(--white));
}

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

.choose-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border-top: 4px solid var(--primary-green);
}

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

.choose-item h3 {
    color: var(--dark-green);
    margin-bottom: var(--spacing-sm);
}

.choose-item p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* ============================================
   Usage Section
   ============================================ */
.usage-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--light-green);
}

.usage-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) auto;
    display: block;
    box-shadow: var(--shadow-md);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(to bottom, var(--white), var(--off-white));
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    transition: all 0.4s var(--transition-smooth);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.pricing-card.featured {
    border: 3px solid var(--primary-green);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-12px);
}

.discount-badge {
    position: absolute;
    top: -10px;
    right: 50%;
    transform: translateX(50%);
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
}

.pricing-card h3 {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-bottom: var(--spacing-md);
}

.pricing-card .old-price {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 1.1rem;
}

.pricing-card .new-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin: var(--spacing-sm) 0;
}

.pricing-card .delivery {
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
}

.pricing-card .select-package {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.pricing-card .select-package:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-colored);
}

/* ============================================
   Order Form Section
   ============================================ */
.order-form {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--off-white);
}

.order-form form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--dark-green);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 4px rgba(118, 192, 67, 0.1);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-colored);
}

/* ============================================
   Guarantees Section
   ============================================ */
.guarantees {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--white);
}

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

.guarantee-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--off-white);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.guarantee-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.guarantee-item .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.guarantee-item h3 {
    color: var(--dark-green);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Testimonials/Reviews Section
   ============================================ */
.reviews {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--light-green);
}

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

.review-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.review-card .stars {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.review-card .review-text {
    font-style: italic;
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.review-card .reviewer {
    font-weight: 600;
    color: var(--dark-green);
}

/* ============================================
   Footer
   ============================================ */
footer {
    background: var(--dark-green);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
}

footer p {
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--spacing-sm);
}

footer .disclaimer {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Sticky CTA Button
   ============================================ */
.sticky-cta {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sticky-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-sm);
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-primary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: scale(1.02) translateY(-8px);
    }
    
    .sticky-cta {
        bottom: var(--spacing-sm);
        left: 50%;
        transform: translateX(-50%);
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    .sticky-cta:hover {
        transform: translateX(-50%) translateY(-5px);
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .choose-grid,
    .guarantee-items,
    .review-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .order-form form {
        padding: var(--spacing-md);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .sticky-cta,
    .btn-primary,
    .btn-secondary {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--text-dark);
    }
    
    * {
        box-shadow: none !important;
    }
}