/* 
* Bylinkový Rytmus - Main Stylesheet
* Author: Cursor AI
* Version: 1.0
*/

/* === Base Styles === */
:root {
    /* Colors */
    --color-primary: #1C1C1E;
    --color-accent: #97D700;
    --color-accent-dark: #63A603;
    --color-bg: #F4F4F6;
    --color-text-secondary: #6B7280;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-100: #F9FAFB;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-error: #EF4444;
    
    /* Typography */
    --font-family-base: 'Arial', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container width */
    --container-max-width: 1200px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    line-height: var(--line-height-base);
    color: var(--color-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent-dark);
}

ul, ol {
    list-style-position: inside;
}

/* === Layout === */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-md);
}

h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

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

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

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

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

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

/* === Header === */
.site-header {
    background-color: var(--color-primary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-white);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-accent);
}

.main-nav a.btn {
    color: var(--color-white);
}

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

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 3px;
}

/* === Hero Section === */
.hero {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 100%;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    font-size: 3rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-300);
}

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

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

.benefit-card {
    padding: var(--spacing-lg);
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-base);
}

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

.benefit-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

/* === How It Works Section === */
.how-it-works {
    background-color: var(--color-gray-100);
}

.infographic {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

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

.step-number {
    background-color: var(--color-accent);
    color: var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

/* === Products Section === */
.products {
    background-color: var(--color-white);
}

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

.product-card {
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

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

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h3, 
.product-card p {
    padding: 0 var(--spacing-md);
}

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

.price {
    font-weight: bold;
    color: var(--color-accent);
    font-size: 1.25rem;
    margin: var(--spacing-md) 0;
}

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

/* === Why Us Section === */
.why-us {
    background-color: var(--color-gray-100);
}

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

.why-us-card {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-base);
}

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

.why-us-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

/* === Services Section === */
.services {
    background-color: var(--color-white);
}

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

.service-card {
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    transition: transform var(--transition-base);
}

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

.service-card.featured {
    border: 2px solid var(--color-accent);
    transform: scale(1.05);
    z-index: 1;
}

.service-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: bold;
}

.service-card ul {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.service-card li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: 20px;
}

.service-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.service-card .btn {
    margin-top: var(--spacing-md);
}

/* === Order Form Section === */
.order-form {
    background-color: var(--color-gray-100);
}

.error-message {
    background-color: var(--color-error);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: bold;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    margin-bottom: 0;
}

.contact-form button {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* === Testimonials Section === */
.testimonials {
    background-color: var(--color-white);
}

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

.testimonial-card {
    background-color: var(--color-gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

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

.testimonial-rating {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.star {
    font-size: 1.25rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.testimonial-text::before,
.testimonial-text::after {
    content: '"';
    font-size: 1.5rem;
    color: var(--color-accent);
}

.testimonial-author {
    font-weight: bold;
    text-align: right;
}

/* === Footer === */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo p {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links h3,
.footer-contact h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

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

.footer-links a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

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

.footer-contact a {
    color: var(--color-gray-300);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-700);
    font-size: 0.875rem;
}

/* === Cookie Consent === */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.cookie-content p {
    margin: 0;
}

/* === Thank You Page === */
.thank-you {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.thank-you-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.cta-buttons {
    margin-top: var(--spacing-lg);
}

/* === Policy Pages === */
.policy-content {
    padding: var(--spacing-xl) 0;
}

.policy-content h1 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.policy-section {
    margin-bottom: var(--spacing-xl);
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.policy-section h2 {
    text-align: left;
    padding-bottom: var(--spacing-sm);
}

.policy-section h2:after {
    left: 0;
    transform: none;
    width: 50px;
}

.policy-section h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.policy-section ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
}

.policy-section li {
    margin-bottom: var(--spacing-xs);
}

/* === Responsive Styles === */
@media (max-width: 992px) {
    :root {
        --font-size-base: 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content, .hero-image {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--color-primary);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .main-nav li {
        width: 100%;
        text-align: center;
        padding: var(--spacing-xs) 0;
    }
    
    .cookie-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .benefits-grid,
    .products-grid,
    .why-us-grid,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        transform: none;
    }
    
    .service-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo, 
    .footer-contact li {
        justify-content: center;
    }
}