/* 
* Primary stylesheet for Renovace Bytu a Domu
* Author: Web Developer
* Version: 1.0
*/

/* ====== VARIABLES ====== */
:root {
    /* Colors */
    --primary-color: #a3605d;
    --primary-color-dark: #8a514e;
    --primary-color-light: #c1817e;
    --secondary-color: #424242;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #757575;
    --text-color: #333333;
    --white: #ffffff;
    --black: #212121;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;

    /* Typography */
    --font-primary: 'Roboto', 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto Slab', 'Times New Roman', serif;
    
    /* 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: 3px;
    --border-radius-md: 5px;
    --border-radius-lg: 10px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
    --footer-spacing: 60px;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    color: var(--secondary-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

button, .btn {
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-normal);
    display: inline-block;
}

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

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

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

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

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

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

/* ====== HEADER ====== */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.logo img {
    height: 50px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: var(--spacing-lg);
}

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

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

/* ====== BANNER ====== */
.banner {
    background-color: var(--primary-color);
    background-image: url('../assets/banner-bg.svg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

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

.banner p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ====== SERVICES ====== */
.services {
    background-color: var(--light-gray);
    text-align: center;
}

.section-desc {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.1rem;
}

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

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ====== ABOUT US ====== */
.about-us {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-highlights {
    list-style: none;
    margin-top: var(--spacing-lg);
}

.about-highlights li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
}

.about-highlights i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-svg {
    max-width: 100%;
    height: auto;
}

/* ====== PROCESS ====== */
.process {
    background-color: var(--light-gray);
    text-align: center;
}

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

.process-step {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-number {
    background-color: var(--primary-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
}

/* ====== TESTIMONIALS ====== */
.testimonials {
    background-color: var(--white);
    text-align: center;
}

.testimonials-slider {
    display: flex;
    overflow: hidden;
    margin: var(--spacing-lg) 0;
    position: relative;
}

.testimonial-card {
    flex: 0 0 100%;
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin: 0 var(--spacing-md);
    transition: transform var(--transition-normal);
}

.testimonial-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

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

.testimonial-author p {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

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

.testimonial-controls button {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.testimonial-controls button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ====== BLOG PREVIEW ====== */
.blog-preview {
    background-color: var(--light-gray);
    text-align: center;
}

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

.blog-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.blog-image {
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-gray);
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: var(--spacing-lg);
    text-align: left;
}

.blog-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    margin-top: var(--spacing-sm);
}

.read-more i {
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.read-more:hover i {
    transform: translateX(3px);
}

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

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

.contact-details {
    margin-top: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.contact-item h4 {
    margin-bottom: var(--spacing-xs);
}

.social-media {
    margin-top: var(--spacing-lg);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--light-gray);
    color: var(--primary-color);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

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

.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 textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-md);
    background-color: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-group.checkbox {
    display: flex;
    align-items: center;
}

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

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

/* ====== FOOTER ====== */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding-top: var(--footer-spacing);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info p {
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-social {
    margin-top: var(--spacing-md);
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

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

.cookie-settings-btn {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.cookie-settings-btn:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ====== COOKIE BANNER ====== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    padding: var(--spacing-lg);
    display: none;
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

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

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

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* ====== COOKIE MODAL ====== */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.cookie-modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-modal {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--black);
}

.cookie-option {
    margin-bottom: var(--spacing-lg);
}

.cookie-option label {
    font-weight: 500;
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.cookie-option input {
    margin-right: var(--spacing-sm);
}

.cookie-option p {
    opacity: 0.8;
    font-size: 0.9rem;
    margin-left: 1.7rem;
}

/* ====== THANKS PAGE ====== */
.thanks-section {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.thanks-content {
    max-width: 700px;
    margin: 0 auto;
}

.thanks-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: var(--spacing-lg);
}

.thanks-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ====== LEGAL PAGES ====== */
.legal-content {
    padding: var(--spacing-xl) 0;
}

.legal-section {
    margin-bottom: var(--spacing-xl);
}

.legal-section:last-child {
    margin-bottom: 0;
}

.legal-section ul,
.legal-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-section li {
    margin-bottom: var(--spacing-sm);
}

.last-updated {
    font-style: italic;
    opacity: 0.7;
}

.cookie-settings-button-container {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* ====== RESPONSIVE STYLES ====== */
@media (max-width: 992px) {
    :root {
        --header-height: 70px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .banner h1 {
        font-size: 2.5rem;
    }
    
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .banner h1 {
        font-size: 2.2rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-sm);
        height: 0;
        overflow: hidden;
        transition: height var(--transition-normal);
    }
    
    nav.active {
        height: auto;
    }
    
    nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
    }
    
    nav ul li {
        margin: 0 0 var(--spacing-md) 0;
    }
    
    .testimonial-controls {
        margin-top: var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .cookie-buttons {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .container, .header-container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .banner {
        padding: var(--spacing-xl) 0;
    }
    
    .banner-content {
        padding: var(--spacing-lg) 0;
    }
    
    .banner h1 {
        font-size: 1.8rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
    
    .thanks-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-md);
    }
}