/* ============================================
   Modern UI/UX Optimized Styles
   Colon Cleanser Tea Landing Page
   ============================================ */

/* CSS Variables for Design System */
:root {
    /* Colors */
    --primary-green: #76c043;
    --dark-green: #2d5016;
    --light-green: #e8f5e9;
    --accent-green: #4caf50;
    --text-dark: #1a1a1a;
    --text-medium: #555;
    --text-light: #777;
    --white: #ffffff;
    --off-white: #f9fafb;
    --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);
    
    /* 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;
}

/* 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);
}

/* 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 - Enhanced
   ============================================ */
.hero {
    background: linear-gradient(135deg, #76c043 0%, #5da639 50%, #2d5016 100%);
    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;
}

/* Animated Background Pattern */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.08) 0%, transparent 50%);
    animation: heroPattern 20s ease-in-out infinite;
}

@keyframes heroPattern {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(5%, 5%) rotate(5deg); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 4px 8px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    background: rgba(45, 80, 22, 0.9);
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-image {
    margin: var(--spacing-xl) auto;
    position: relative;
    z-index: 1;
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-image img,
.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.hero-image:hover img,
.hero-image:hover .hero-img {
    transform: scale(1.05) translateY(-10px);
}

/* ============================================
   Buttons - Modern Design
   ============================================ */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--dark-green) 0%, #1a4d2e 100%);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-2xl);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 1.3rem;
    font-weight: 700;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
    border: none;
    cursor: pointer;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a4d2e 0%, var(--dark-green) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(-2px);
}

/* ============================================
   Product Details Section
   ============================================ */
.product-details {
    background: var(--white);
    padding: var(--spacing-2xl) var(--spacing-md);
    animation: fadeIn 0.8s ease-out;
}

.product-description {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.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), box-shadow var(--transition-slow);
}

.product-detail-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.benefits-list {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.15rem;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f0f8f0 0%, #e8f5e9 100%);
    border-radius: var(--radius-md);
    border-right: 4px solid var(--accent-green);
    transition: all var(--transition-base);
    animation: slideInRight 0.5s ease-out backwards;
}

.benefit-item:nth-child(1) { animation-delay: 0.1s; }
.benefit-item:nth-child(2) { animation-delay: 0.2s; }
.benefit-item:nth-child(3) { animation-delay: 0.3s; }
.benefit-item:nth-child(4) { animation-delay: 0.4s; }
.benefit-item:nth-child(5) { animation-delay: 0.5s; }

.benefit-item:hover {
    transform: translateX(-8px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.checkmark {
    color: var(--accent-green);
    font-weight: bold;
    font-size: 1.8rem;
    flex-shrink: 0;
}

/* ============================================
   Ingredients Section
   ============================================ */
.ingredients-section {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.ingredients-intro,
.ingredients-note {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
}

.ingredients-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: var(--spacing-xl) auto;
    list-style: none;
}

.ingredients-list li {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-green);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.ingredients-list li::before {
    content: '🌿';
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.ingredients-list li:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    background: var(--light-green);
}

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

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

.gallery-grid img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
}

.gallery-grid img:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

/* ============================================
   Why Choose Us Section
   ============================================ */
.why-choose-us {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.choose-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    text-align: center;
}

.choose-item:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

.choose-item h3 {
    color: var(--dark-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.choose-item h3 i {
    font-size: 2rem;
    color: var(--accent-green);
}

.choose-item p {
    color: var(--text-medium);
    line-height: 1.8;
}

.marketing-img,
.benefits-img,
.usage-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);
}

.marketing-img:hover,
.benefits-img:hover,
.usage-img:hover {
    transform: scale(1.03);
}

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

/* ============================================
   Pricing Section - Enhanced
   ============================================ */
.pricing {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.pricing h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.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 var(--transition-slow);
    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);
    animation: pulse 2s ease-in-out infinite;
}

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

.pricing-card h3 {
    font-size: 1.8rem;
    color: var(--dark-green);
    margin-bottom: var(--spacing-md);
}

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

.pricing-card .old-price {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 1.2rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.pricing-card .features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: right;
}

.pricing-card .features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-medium);
}

.pricing-card button,
.pricing-card .select-package {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ============================================
   Order Form Section
   ============================================ */
.order-form-section {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.order-form-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.order-form {
    /* max-width: 600px; */
    /* margin: 0 auto; */
    background: var(--white);
    padding: var(--spacing-xl);
    /* border-radius: var(--radius-lg); */
    box-shadow: var(--shadow-lg);
}

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

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

.form-group input,
.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);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(118, 192, 67, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.selected-package {
    background: var(--light-green);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.selected-package p {
    margin: var(--spacing-xs) 0;
    color: var(--dark-green);
    font-weight: 600;
}

.selected-package .price {
    font-size: 2rem;
    color: var(--primary-green);
    font-weight: 700;
}

.payment-note {
    background: #fff3cd;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: 0.95rem;
    color: #856404;
}

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

.guarantees-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.guarantee-item {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
}

.guarantee-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.guarantee-item i {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    display: block;
}

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

.guarantee-item p {
    color: var(--text-medium);
    line-height: 1.8;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    background: linear-gradient(135deg, #f9fafb 0%, #e8f5e9 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.testimonials-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.testimonial-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
    position: relative;
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 5rem;
    color: var(--light-green);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stars {
    color: #ffc107;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    font-weight: 700;
    color: var(--dark-green);
    text-align: left;
}

/* ============================================
   Footer CTA Section
   ============================================ */
.footer-cta {
    background: linear-gradient(135deg, #76c043 0%, #2d5016 100%);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.footer-cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.footer-cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.95);
}

/* ============================================
   Sticky CTA Button
   ============================================ */
.sticky-cta {
    /* center fixed in viewport */
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-green) 100%);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all var(--transition-base);
    animation: bounceIn 1s ease-out 2s;
}

.sticky-cta:hover {
    /* preserve centering while moving slightly up on hover */
    transform: translate(-50%, -50%) translateY(-6px) scale(1.06);
    box-shadow: 0 12px 48px rgba(118, 192, 67, 0.4);
}

/* ============================================
   Utility Classes
   ============================================ */
.img-fluid {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .gallery-grid img {
        height: 200px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .sticky-cta {
        /* keep centered on small screens, reduce size */
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .sticky-cta:hover {
        transform: translate(-50%, -50%) translateY(-4px) scale(1.03);
    }
}

@media (max-width: 480px) {
    .ingredients-list {
        grid-template-columns: 1fr;
    }
    
    .choose-grid {
        grid-template-columns: 1fr;
    }
    
    .guarantees-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

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