/* 
* Zelená Rovnováha - Main Stylesheet
* Author: Professional Developer
* Version: 1.0
*/

/* === Variables === */
:root {
    /* Colors */
    --emerald: #0D3B2D;
    --saffron: #FFB347;
    --pearl: #FAFAF9;
    --graphite: #2C2C2C;
    --olive: #A3B18A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--emerald), #1A5E44);
    --gradient-secondary: linear-gradient(135deg, var(--saffron), #FFCD7A);
    --gradient-light: linear-gradient(135deg, var(--pearl), #F2F2F0);
    --gradient-olive: linear-gradient(135deg, var(--olive), #8EA977);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 2rem;
    --radius-circle: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--graphite);
    background-color: var(--pearl);
    overflow-x: hidden;
}

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

a {
    color: var(--emerald);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul, ol {
    list-style: none;
}

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

h1 {
    font-size: 2.5rem;
}

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

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--saffron);
    border-radius: var(--radius-sm);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

/* === Container === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Cookie Banner === */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--graphite);
    color: var(--pearl);
    padding: var(--spacing-md);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.cookie-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.cookie-banner p {
    margin-bottom: 0;
    flex: 1;
}

.cookie-banner a {
    color: var(--saffron);
    text-decoration: underline;
}

.cookie-banner form {
    flex-shrink: 0;
}

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

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

.logo a {
    display: inline-block;
}

/* === Navigation === */
.main-nav {
    position: relative;
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.menu-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--emerald);
    border-radius: var(--radius-sm);
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: all 0.3s ease;
}

.menu-icon span:nth-child(1) {
    top: 0;
}

.menu-icon span:nth-child(2) {
    top: 9px;
}

.menu-icon span:nth-child(3) {
    top: 18px;
}

.menu-toggle:checked + .menu-icon span:nth-child(1) {
    top: 9px;
    transform: rotate(135deg);
}

.menu-toggle:checked + .menu-icon span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.menu-toggle:checked + .menu-icon span:nth-child(3) {
    top: 9px;
    transform: rotate(-135deg);
}

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

.nav-links li:not(:last-child) {
    margin-right: var(--spacing-md);
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--saffron);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* === Buttons === */
.btn {
    display: inline-block;
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--graphite);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--saffron);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--graphite);
}

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

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

/* === Hero Section === */
.hero {
    background: var(--gradient-light);
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/leaf-pattern.svg');
    opacity: 0.05;
    animation: background-move 20s linear infinite;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease;
}

.hero-content .btn {
    animation: fadeInUp 1.2s ease;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--saffron);
    border-radius: var(--radius-lg);
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

/* === About Section === */
.about {
    padding: var(--spacing-xxl) 0;
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.about-text {
    flex: 1;
}

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

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

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

/* === How It Works Section === */
.how-it-works {
    padding: var(--spacing-xxl) 0;
    background-color: var(--olive);
    color: var(--graphite);
}

.how-it-works h2 {
    color: var(--pearl);
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--pearl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--emerald);
    color: var(--pearl);
    border-radius: var(--radius-circle);
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
}

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

/* === Benefits Section === */
.benefits {
    padding: var(--spacing-xxl) 0;
}

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

.benefit {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background-color: var(--pearl);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 3px solid transparent;
}

.benefit:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--saffron);
}

.benefit-icon {
    margin-bottom: var(--spacing-md);
}

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

.benefit p {
    margin-bottom: 0;
}

/* === Testimonials Section === */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background-color: var(--gradient-light);
}

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

.testimonials-slider input {
    display: none;
}

.testimonials-slides {
    display: flex;
    width: 300%;
    transition: transform 0.5s ease;
}

.testimonial-slide {
    width: 33.33%;
    padding: 0 var(--spacing-md);
}

.testimonial {
    background-color: var(--pearl);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 5rem;
    color: var(--olive);
    opacity: 0.2;
}

.testimonial-text {
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.testimonial-author h4 {
    margin-bottom: var(--spacing-xs);
}

.testimonial-author p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--graphite);
    opacity: 0.7;
}

.testimonials-controls {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.testimonials-controls label {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-circle);
    background-color: var(--olive);
    opacity: 0.5;
    margin: 0 var(--spacing-xs);
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.testimonials-controls label:hover {
    opacity: 0.8;
}

#t1:checked ~ .testimonials-slides {
    transform: translateX(0);
}

#t2:checked ~ .testimonials-slides {
    transform: translateX(-33.33%);
}

#t3:checked ~ .testimonials-slides {
    transform: translateX(-66.66%);
}

#t1:checked ~ .testimonials-controls label:nth-child(1),
#t2:checked ~ .testimonials-controls label:nth-child(2),
#t3:checked ~ .testimonials-controls label:nth-child(3) {
    opacity: 1;
    transform: scale(1.2);
}

/* === Comparison Section === */
.comparison {
    padding: var(--spacing-xxl) 0;
}

.comparison-table-container {
    max-width: 100%;
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--pearl);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.comparison-table th {
    background-color: var(--emerald);
    color: var(--pearl);
    font-weight: 600;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table .check {
    color: #4CAF50;
    font-size: 1.5rem;
}

.comparison-table .partial {
    color: #FFC107;
    font-size: 1.5rem;
}

.comparison-table .cross {
    color: #F44336;
    font-size: 1.5rem;
}

/* === Pricing Section === */
.pricing {
    padding: var(--spacing-xxl) 0;
    background-color: var(--gradient-light);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.pricing-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: var(--pearl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--saffron);
}

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

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

.pricing-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--saffron);
    color: var(--graphite);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.pricing-header {
    padding: var(--spacing-lg);
    text-align: center;
    background-color: var(--emerald);
    color: var(--pearl);
}

.pricing-header h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--pearl);
}

.pricing-header .price {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0;
}

.pricing-image {
    height: 200px;
    overflow: hidden;
}

.pricing-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pricing-card:hover .pricing-image img {
    transform: scale(1.1);
}

.pricing-features {
    padding: var(--spacing-lg);
}

.pricing-features ul {
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: 25px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--emerald);
    font-weight: bold;
}

.pricing-card .btn {
    display: block;
    margin: 0 var(--spacing-lg) var(--spacing-lg);
}

/* === Order Form Section === */
.order-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--olive);
}

.order-section h2 {
    color: var(--pearl);
}

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

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    background-color: var(--pearl);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--emerald);
    box-shadow: 0 0 0 3px rgba(13, 59, 45, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    grid-column: 1 / -1;
}

.form-group.checkbox input {
    width: auto;
    margin-right: var(--spacing-sm);
    margin-top: 5px;
}

.form-submit {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--spacing-md);
}

/* === FAQ Section === */
.faq {
    padding: var(--spacing-xxl) 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item input {
    display: none;
}

.faq-title {
    display: block;
    padding: var(--spacing-lg);
    background-color: var(--pearl);
    cursor: pointer;
    font-weight: 600;
    position: relative;
    transition: background-color 0.3s ease;
}

.faq-title::after {
    content: '+';
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item input:checked + .faq-title {
    background-color: var(--emerald);
    color: var(--pearl);
}

.faq-item input:checked + .faq-title::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--pearl);
}

.faq-content p {
    padding: var(--spacing-lg);
    margin-bottom: 0;
}

.faq-item input:checked ~ .faq-content {
    max-height: 500px;
}

/* === Footer === */
.site-footer {
    background-color: var(--emerald);
    color: var(--pearl);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-info {
    flex: 1;
    min-width: 250px;
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    flex: 2;
}

.footer-nav,
.footer-legal,
.footer-contact {
    flex: 1;
    min-width: 180px;
}

.site-footer h4 {
    color: var(--pearl);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.site-footer h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--saffron);
}

.site-footer a {
    color: var(--pearl);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.site-footer a:hover {
    opacity: 1;
    color: var(--saffron);
}

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

.footer-contact address {
    font-style: normal;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes background-move {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* === Responsive Styles === */
@media (max-width: 992px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: var(--spacing-xl);
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .pricing-cards {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-icon {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--pearl);
        flex-direction: column;
        width: 250px;
        padding: var(--spacing-md) 0;
        box-shadow: var(--shadow-md);
        border-radius: var(--radius-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease;
    }
    
    .menu-toggle:checked ~ .nav-links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-links li {
        width: 100%;
        margin-right: 0 !important;
    }
    
    .nav-links a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .nav-links a:hover {
        background-color: rgba(0, 0, 0, 0.05);
    }
    
    .nav-links a.btn {
        margin: var(--spacing-sm) var(--spacing-lg);
    }
    
    .cookie-banner .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .steps {
        flex-direction: column;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .order-form {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        min-width: 100%;
    }
    
    .hero-image::before {
        display: none;
    }
    
    .testimonial-slide {
        padding: 0;
    }
    
    .testimonial {
        padding: var(--spacing-md);
    }
}