/* ==========================================================================
   Podlahy Osička - Modern CSS
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --color-primary: #005916;
    --color-primary-dark: #003d0f;
    --color-primary-light: #007a1f;
    --color-secondary: #8B4513;
    --color-accent: #00FF40;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-inverse: #ffffff;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-bg-dark: #2d2d2d;
    --color-border: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.25rem); }

p {
    margin: 0 0 var(--spacing-md);
}

ul, ol {
    margin: 0 0 var(--spacing-md);
    padding-left: var(--spacing-lg);
}

address {
    font-style: normal;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.section {
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn svg {
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

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

.logo h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text-inverse);
}

.logo h1 span {
    color: var(--color-accent);
}

.logo:hover {
    color: var(--color-text-inverse);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-inverse);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-inverse);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255,255,255,0.15);
    color: var(--color-text-inverse);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    margin: 0;
    padding: var(--spacing-sm) 0;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    list-style: none;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
}

.dropdown a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0,89,22,0.9) 0%, rgba(0,89,22,0.7) 50%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    padding: var(--spacing-2xl) 0;
    color: var(--color-text-inverse);
}

.hero-content h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-contact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero-contact .btn-secondary {
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
}

.hero-contact .btn-secondary:hover {
    background-color: var(--color-text-inverse);
    color: var(--color-primary);
}

/* ==========================================================================
   About Section
   ========================================================================== */

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

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1.5fr 1fr;
    }
}

.about-text p {
    font-size: 1.05rem;
    color: var(--color-text-light);
}

.about-text p strong {
    color: var(--color-primary);
}

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

/* ==========================================================================
   Services Section
   ========================================================================== */

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

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

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

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    color: var(--color-text-inverse);
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.service-card ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--color-text-light);
}

.service-card li {
    margin-bottom: var(--spacing-xs);
}

/* CTA Box */
.services-cta {
    margin-top: var(--spacing-xl);
}

.cta-box {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--color-text-inverse);
}

.cta-box h3 {
    font-size: 1.5rem;
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-lg);
}

.cta-box .btn-primary {
    background-color: var(--color-text-inverse);
    color: var(--color-primary);
    border-color: var(--color-text-inverse);
}

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

/* ==========================================================================
   Gallery Preview
   ========================================================================== */

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

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--color-text-inverse);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay span {
    font-size: 1.25rem;
    font-weight: 600;
}

/* ==========================================================================
   Instagram Section
   ========================================================================== */

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

/* Instagram Promo Box */
.instagram-promo {
    margin: 0 auto var(--spacing-xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.instagram-promo-content {
    text-align: center;
}

.instagram-promo-content svg {
    display: block;
    margin: 0 auto var(--spacing-lg);
}

.instagram-promo-content h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.instagram-promo-content p {
    color: var(--color-text-light);
    margin: 0;
}

.instagram-cta {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--color-text-inverse);
    border: none;
    font-size: 1.2rem;
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(225, 48, 108, 0.4);
    color: var(--color-text-inverse);
}

.btn-instagram svg {
    margin-right: var(--spacing-sm);
}

.instagram-note {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.instagram-note p {
    margin: 0;
    color: var(--color-text-light);
}

/* ==========================================================================
   Social Links
   ========================================================================== */

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

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
    color: var(--color-text-inverse) !important;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(225, 48, 108, 0.3);
    color: var(--color-text-inverse) !important;
}

.social-link svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
    color: var(--color-accent);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    margin-bottom: var(--spacing-sm);
    color: rgba(255,255,255,0.8);
}

.footer-col a {
    color: rgba(255,255,255,0.8);
}

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

.footer-col nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-primary);
        padding: var(--spacing-2xl) var(--spacing-lg);
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(0,0,0,0.2);
        box-shadow: none;
        border-radius: 0;
        margin-top: var(--spacing-sm);
    }
    
    .dropdown a {
        color: var(--color-text-inverse);
        padding-left: var(--spacing-xl);
    }
    
    .dropdown a:hover {
        background-color: rgba(255,255,255,0.1);
        color: var(--color-accent);
    }
    
    .hero-contact {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .header,
    .hero-bg,
    .mobile-menu-btn,
    .gallery-overlay {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .section {
        padding: 1rem 0;
    }
}