/* Obsah všech CSS stylů z původního HTML */
/* Zde vložte VŠECHNY styly od :root {} až po konec CSS */

:root {
    /* Moderní profesionální paleta */
    --primary-dark: #001833;
    --primary-main: #0052CC;
    --primary-light: #E3F2FD;
    --accent-green: #00C853;
    --accent-dark-green: #00A844;
    --accent-teal: #00B8D4;
    --accent-purple: #7B61FF;
    --accent-orange: #FF6B35;
    
    /* Typografie */
    --text-dark: #0F172A;
    --text-light: #64748B;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;
    
    /* Pozadí */
    --background: #FFFFFF;
    --background-light: #F8FAFC;
    --background-gray: #F1F5F9;
    --card-bg: #FFFFFF;
    --card-hover: #FAFBFC;
    
    /* Border & Radius */
    --border-color: #E2E8F0;
    --border-radius: 20px;
    --border-radius-lg: 32px;
    --border-radius-sm: 12px;
    --border-radius-xs: 8px;
    
    /* Stíny - moderné, jemné */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16);
    --shadow-colored: 0 8px 32px rgba(0, 82, 204, 0.20);
    
    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
}

.dark-mode {
    --primary-dark: #3B82F6;
    --primary-main: #60A5FA;
    --primary-light: #1E3A5F;
    --accent-green: #10B981;
    --accent-dark-green: #059669;
    --accent-teal: #14B8A6;
    --accent-purple: #8B5CF6;
    --accent-orange: #F97316;
    
    --text-dark: #F1F5F9;
    --text-light: #CBD5E1;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;
    
    --background: #0F172A;
    --background-light: #1E293B;
    --background-gray: #334155;
    --card-bg: #1E293B;
    --card-hover: #334155;
    
    --border-color: #334155;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.6);
    --shadow-colored: 0 8px 32px rgba(96, 165, 250, 0.25);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    background: var(--background);
    line-height: 1.7;
    overflow-x: hidden;
    transition: var(--transition);
    font-size: 16px;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float3d {
    0%, 100% {
        transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
    }
    33% {
        transform: translate3d(10px, -15px, 10px) rotate(120deg) scale(1.1);
    }
    66% {
        transform: translate3d(-5px, 10px, -5px) rotate(240deg) scale(0.9);
    }
}

@keyframes printerPrint {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(64, 211, 76, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(64, 211, 76, 0.6);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes scan {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* --- NAVIGACE --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
}

.dark-mode nav { 
    background: rgba(15, 23, 42, 0.8); 
    border-bottom: 1px solid var(--border-color); 
}

nav.scrolled { 
    padding: 8px 0; 
    box-shadow: var(--shadow-md); 
    background: rgba(255, 255, 255, 0.95); 
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1250px; 
    margin: 0 auto;
}

.brand { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
}

.logo-container { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}

.logo-img { 
    height: 40px; 
    width: auto; 
    max-width: 120px; 
    object-fit: contain; 
    border-radius: 8px; 
    transition: var(--transition-fast); 
}

.logo-img:hover { 
    transform: scale(1.05); 
}

.brand-name { 
    font-size: 20px; 
    font-weight: 800; 
    letter-spacing: -0.03em; 
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--accent-teal) 100%); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    background-clip: text; 
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    letter-spacing: -0.01em;
}

.nav-links a:hover { 
    color: var(--primary-main); 
    transform: translateY(-2px); 
}

.nav-links a.active { 
    color: var(--text-white); 
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%); 
    box-shadow: var(--shadow-sm); 
}

.nav-printer { 
    font-size: 16px; 
    animation: printerPrint 2s ease-in-out infinite; 
}

.theme-toggle { 
    background: none; 
    border: none; 
    color: var(--text-dark); 
    font-size: 18px; 
    cursor: pointer; 
    padding: 8px; 
    border-radius: 50%; 
    transition: var(--transition); 
    margin-left: 5px; 
}

.mobile-menu-btn { 
    display: none; 
    background: none; 
    border: none; 
    font-size: 24px; 
    cursor: pointer; 
    color: var(--text-dark); 
    padding: 8px; 
    border-radius: 8px; 
    transition: var(--transition); 
}

/* Hero */
.hero { 
    min-height: 100vh; 
    display: flex; 
    align-items: center; 
    position: relative; 
    overflow: hidden; 
    padding: 120px 0 80px; 
    margin-top: 0;
}

.hero-background { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: -2; 
}

.hero-gradient { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 30%, var(--accent-green) 60%, var(--primary-dark) 100%); 
    background-size: 400% 400%; 
    animation: gradientShift 20s ease infinite; 
    opacity: 0.95; 
}

.hero-shapes { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    opacity: 0.6; 
}

.shape { 
    position: absolute; 
    border-radius: 50%; 
    background: rgba(255, 255, 255, 0.1); 
    backdrop-filter: blur(10px); 
    animation: float 6s ease-in-out infinite; 
}

.shape-1 { 
    width: 80px; 
    height: 80px; 
    top: 10%; 
    left: 10%; 
}

.shape-2 { 
    width: 120px; 
    height: 120px; 
    top: 60%; 
    left: 80%; 
    animation-delay: 1.5s; 
}

.hero-overlay { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.7) 100%); 
    z-index: -1; 
}

.printers-animation { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    pointer-events: none; 
    z-index: 0; 
}

.printer { 
    position: absolute; 
    font-size: 40px; 
    color: rgba(255, 255, 255, 0.8); 
    animation: float3d 8s ease-in-out infinite; 
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3)); 
}

.printer::after { 
    content: '📐'; 
    position: absolute; 
    top: 5px; 
    left: 0; 
    font-size: 20px; 
    animation: printerPrint 2s ease-in-out infinite; 
}

.printer-1 { 
    top: 20%; 
    left: 5%; 
}

.printer-2 { 
    top: 70%; 
    left: 90%; 
    animation-delay: 1s; 
    font-size: 30px; 
}

.hero-content { 
    max-width: 1200px; 
    margin: 0 auto; 
    text-align: center; 
    animation: fadeInUp 1s ease-out; 
    position: relative; 
    z-index: 2; 
}

.hero-badge { 
    display: inline-block; 
    background: linear-gradient(135deg, #40D34C 0%, #19CCB5 100%); 
    color: white; 
    padding: 12px 24px; 
    border-radius: 50px; 
    font-weight: 600; 
    font-size: 14px; 
    margin-bottom: 30px; 
    box-shadow: 0 8px 25px rgba(64, 211, 76, 0.4); 
    backdrop-filter: blur(10px); 
    border: 1px solid rgba(255, 255, 255, 0.2); 
    animation: pulse 2s infinite; 
}

.hero h1 { 
    font-size: clamp(48px, 7vw, 80px); 
    font-weight: 900; 
    margin-bottom: 28px; 
    line-height: 1.1; 
    letter-spacing: -0.05em; 
    color: white; 
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4); 
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 100%); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    background-clip: text; 
}

.hero p { 
    font-size: clamp(18px, 2.5vw, 22px); 
    margin-bottom: 40px; 
    color: rgba(255, 255, 255, 0.95); 
    max-width: 700px; 
    margin-left: auto; 
    margin-right: auto; 
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2); 
}

.btn { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    gap: 10px; 
    padding: 16px 36px; 
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%); 
    color: var(--text-white); 
    text-decoration: none; 
    border-radius: var(--border-radius-sm); 
    font-weight: 700; 
    transition: var(--transition); 
    border: none; 
    cursor: pointer; 
    font-size: 16px; 
    letter-spacing: -0.01em; 
    box-shadow: var(--shadow-md); 
    position: relative; 
    overflow: hidden; 
}

.btn:hover { 
    transform: translateY(-4px) scale(1.02); 
    box-shadow: var(--shadow-lg); 
}

.btn-outline { 
    background: rgba(255, 255, 255, 0.15); 
    border: 2px solid rgba(255, 255, 255, 0.4); 
    color: white; 
    box-shadow: var(--shadow-sm); 
    backdrop-filter: blur(20px); 
}

.btn-accent { 
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-teal) 100%); 
    box-shadow: var(--shadow-colored); 
}

.btn-group { 
    display: flex; 
    gap: 20px; 
    justify-content: center; 
    flex-wrap: wrap; 
}

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

.section.active { 
    animation: fadeInUp 0.8s ease-out; 
}

.section-title { 
    text-align: center; 
    margin-bottom: var(--spacing-2xl); 
}

.section-title h2 { 
    font-size: clamp(36px, 5vw, 56px); 
    font-weight: 900; 
    margin-bottom: 20px; 
    letter-spacing: -0.04em; 
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--accent-teal) 100%); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    background-clip: text; 
}

/* AI Sekce */
.ai-section { 
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); 
    color: white; 
    position: relative; 
    overflow: hidden; 
}

.ai-container { 
    max-width: 800px; 
    margin: 0 auto; 
    position: relative; 
    z-index: 2; 
}

.ai-card { 
    background: rgba(255, 255, 255, 0.05); 
    backdrop-filter: blur(20px); 
    border: 1px solid rgba(255, 255, 255, 0.1); 
    border-radius: 24px; 
    padding: 40px; 
    text-align: center; 
    box-shadow: 0 0 50px rgba(0, 82, 204, 0.2); 
}

.ai-upload-zone { 
    border: 2px dashed var(--primary-main); 
    border-radius: 16px; 
    padding: 40px; 
    margin: 30px 0; 
    cursor: pointer; 
    transition: 0.3s; 
    background: rgba(0, 82, 204, 0.05); 
}

.ai-upload-zone:hover { 
    background: rgba(0, 82, 204, 0.1); 
    border-color: var(--accent-teal); 
    transform: scale(1.01); 
}

.ai-icon { 
    font-size: 48px; 
    margin-bottom: 15px; 
    color: var(--accent-teal); 
}

.ai-processing { 
    display: none; 
    margin: 30px 0; 
}

.ai-scanner { 
    width: 100%; 
    height: 4px; 
    background: #334155; 
    border-radius: 2px; 
    overflow: hidden; 
    position: relative; 
}

.ai-scanner-bar { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 30%; 
    height: 100%; 
    background: var(--accent-green); 
    box-shadow: 0 0 10px var(--accent-green); 
    animation: scan 2s infinite linear; 
}

.ai-result { 
    display: none; 
    margin-top: 30px; 
    padding: 20px; 
    border-radius: 12px; 
    text-align: left; 
}

.ai-result.success { 
    background: rgba(0, 200, 83, 0.1); 
    border: 1px solid var(--accent-green); 
}

.ai-result.warning { 
    background: rgba(255, 107, 53, 0.1); 
    border: 1px solid var(--accent-orange); 
}

.ai-feature-list { 
    list-style: none; 
    padding: 0; 
}

.ai-feature-list li { 
    display: flex; 
    justify-content: space-between; 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
    padding: 8px 0; 
}

/* Projekty & Lightbox */
.projects-section { 
    background: var(--background); 
}

.projects-grid-custom { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
    gap: 30px; 
    max-width: 1000px; 
    margin: 0 auto; 
}

.project-card-custom { 
    background: var(--card-bg); 
    border-radius: var(--border-radius-lg); 
    padding: 30px; 
    box-shadow: var(--shadow-md); 
    border: 1px solid var(--border-color); 
    transition: var(--transition); 
    display: flex; 
    flex-direction: column; 
}

.project-card-custom:hover { 
    transform: translateY(-8px); 
    box-shadow: var(--shadow-xl); 
    border-color: var(--primary-main); 
}

.project-info h3 { 
    font-size: 24px; 
    font-weight: 800; 
    margin-bottom: 10px; 
    color: var(--text-dark); 
}

.project-gallery { 
    display: flex; 
    gap: 15px; 
    margin-top: auto; 
}

.project-img-wrapper { 
    flex: 1; 
    height: 200px; 
    border-radius: var(--border-radius-sm); 
    overflow: hidden; 
    box-shadow: var(--shadow-sm); 
    position: relative; 
    background: #f0f0f0; 
    cursor: zoom-in; 
}

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

.project-img-wrapper:hover img { 
    transform: scale(1.1); 
}

.lightbox { 
    display: none; 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(0, 0, 0, 0.95); 
    z-index: 9999; 
    justify-content: center; 
    align-items: center; 
    opacity: 0; 
    transition: opacity 0.3s; 
}

.lightbox.active { 
    display: flex; 
    opacity: 1; 
}

.lightbox img { 
    max-width: 90%; 
    max-height: 90%; 
    object-fit: contain; 
    border-radius: 4px; 
}

.lightbox-close { 
    position: absolute; 
    top: 20px; 
    right: 30px; 
    color: white; 
    font-size: 40px; 
    cursor: pointer; 
}

/* Sekce O nás */
.about-section {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 42px;
    margin-bottom: 24px;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 50%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.about-text p {
    font-size: 17px;
    line-height: 1.75;
    margin-bottom: 24px;
    color: var(--text-light);
    font-weight: 400;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 24px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 70, 166, 0.05);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 70, 166, 0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.about-image {
    position: relative;
    text-align: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 50%, var(--accent-green) 100%);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 600;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.image-placeholder i {
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* Sekce Služby & Proces */
.services-process {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
    position: relative;
    overflow: hidden;
}

.services-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 70, 166, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(25, 204, 181, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.services-process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.service-process-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-process-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-main), var(--accent-teal), var(--accent-green));
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-origin: left;
}

.service-process-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-main);
}

.service-process-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    padding: 30px 30px 20px;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.step-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-main);
    background: rgba(0, 70, 166, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.step-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary-main), transparent);
    border-radius: 1px;
    margin-left: 10px;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-main), var(--accent-teal));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 8px 20px rgba(0, 70, 166, 0.3);
    transition: all 0.3s ease;
}

.service-process-card:hover .card-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: var(--shadow-colored);
}

.card-content {
    padding: 0 30px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.3;
}

.card-description {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
}

.process-details {
    display: flex;
    gap: 20px;
    background: var(--background-light);
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid rgba(0, 70, 166, 0.05);
}

.detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}

.detail i {
    color: var(--primary-main);
    width: 16px;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.4;
}

.service-features i {
    color: var(--accent-green);
    margin-top: 2px;
    flex-shrink: 0;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.service-tag {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--primary-main), var(--accent-teal));
    color: white;
}

.card-btn {
    padding: 12px 24px;
    border: 2px solid var(--primary-main);
    background: transparent;
    color: var(--primary-main);
    text-decoration: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.card-btn:hover {
    background: var(--primary-main);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 70, 166, 0.25);
}

.card-btn.primary {
    background: var(--primary-main);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 70, 166, 0.2);
}

.card-btn.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 70, 166, 0.3);
}

.process-cta {
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.process-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(25, 204, 181, 0.2) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Kalkulačka */
.price-result {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 200, 83, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    text-align: center;
    display: none;
    border: 2px solid var(--accent-green);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease-out;
}

.weight-guide {
    margin-top: var(--spacing-2xl);
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.weight-guide-header {
    padding: 18px 22px;
    font-weight: 800;
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, rgba(102,126,234,.08), rgba(118,75,162,.08));
    border-bottom: 1px solid var(--border-color);
}

.weight-guide table {
    width: 100%;
    border-collapse: collapse;
}

.weight-guide th, .weight-guide td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.weight-guide th {
    font-weight: 700;
    color: var(--text-dark);
    background: rgba(0,0,0,0.02);
}

.weight-badge {
    display: inline-block;
    min-width: 90px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .3px;
    color: #0b6b2a;
    background: rgba(0,200,83,.12);
    border: 1px solid rgba(0,200,83,.35);
}

.weight-badge.mid {
    color: #0d47a1;
    background: rgba(13,71,161,.10);
    border-color: rgba(13,71,161,.3);
}

.weight-badge.heavy {
    color: #a10d0d;
    background: rgba(161,13,13,.08);
    border-color: rgba(161,13,13,.28);
}

@media (max-width: 640px) {
    .weight-guide th:nth-child(3), .weight-guide td:nth-child(3) { display: none; }
}

.price-result.show {
    display: block;
}

.price-result h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.final-price {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--spacing-md) 0;
    letter-spacing: -0.02em;
}

.price-result p {
    color: var(--text-light);
    font-size: 14px;
    margin-top: var(--spacing-md);
}

/* Materiály */
.materials-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid var(--primary-main);
    background: transparent;
    color: var(--primary-main);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-fast);
    letter-spacing: -0.01em;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-main);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 70, 166, 0.25);
}

.filaments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.filament-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 70, 166, 0.08);
    position: relative;
}

.filament-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 70, 166, 0.15);
}

.filament-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
}

.filament-price {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-green);
    margin: 10px 0;
}

.filament-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.eco-badge { background: #28a745; color: white; }
.premium-badge { background: #ffc107; color: black; }
.durable-badge { background: #17a2b8; color: white; }
.heat-badge { background: #dc3545; color: white; }
.flex-badge { background: #6f42c1; color: white; }
.strong-badge { background: #fd7e14; color: white; }

.filament-details {
    background: var(--background-light);
    padding: 20px;
    border-radius: 12px;
    margin: 15px 0;
    text-align: left;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
}

.detail-label {
    color: var(--text-light);
    font-weight: 500;
}

.detail-value {
    color: var(--text-dark);
    font-weight: 600;
}

.strength-bar {
    width: 80px;
    height: 6px;
    background: rgba(0, 70, 166, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green) 0%, var(--accent-teal) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.filament-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0;
    justify-content: center;
}

.feature-tag {
    padding: 6px 12px;
    background: rgba(0, 70, 166, 0.1);
    color: var(--primary-main);
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.comparison-section {
    margin-top: 60px;
}

.comparison-table {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 70, 166, 0.1);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr repeat(5, 1fr);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    color: white;
    font-weight: 700;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr repeat(5, 1fr);
    border-bottom: 1px solid rgba(0, 70, 166, 0.1);
}

.comparison-row:nth-child(even) {
    background: var(--background-light);
}

.comparison-cell {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 14px;
}

.comparison-header .comparison-cell {
    padding: 20px;
    font-size: 16px;
}

.comparison-row .comparison-cell:first-child {
    font-weight: 600;
    color: var(--primary-dark);
    justify-content: flex-start;
}

/* Portfolio sekce */
.portfolio-section {
    background: var(--background-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 70, 166, 0.05);
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 70, 166, 0.12);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 48px;
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.portfolio-content p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portfolio-tag {
    padding: 4px 8px;
    background: rgba(0, 70, 166, 0.1);
    color: var(--primary-main);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* Styl pro novou sekci Moje projekty */
.projects-section {
    background: var(--background);
}

.projects-grid-custom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.project-card-custom {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card-custom:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-main);
}

.project-info h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-info p {
    color: var(--text-light);
    font-size: 15px;
    margin-bottom: 20px;
}

/* Galerie uvnitř karty - 2 fotky vedle sebe */
.project-gallery {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.project-img-wrapper {
    flex: 1; /* Každá fotka zabere polovinu šířky */
    height: 200px; /* Fixní výška pro zarovnání */
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
    background: #f0f0f0; /* Placeholder barva */
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.project-img-wrapper:hover img {
    transform: scale(1.1);
}

/* Formulářové prvky */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-dark);
    letter-spacing: -0.01em;
    transition: var(--transition);
}

.form-group:focus-within label {
    color: var(--primary-main);
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-family: inherit;
    background: var(--card-bg);
    color: var(--text-dark);
    transition: var(--transition);
    outline: none;
    box-shadow: var(--shadow-xs);
}

.form-control:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.form-control:focus {
    border-color: var(--primary-main);
    box-shadow: 0 0 0 4px rgba(0, 82, 204, 0.1), var(--shadow-md);
    outline: none;
    background: var(--background);
    transform: translateY(-1px);
}

input.form-control:invalid:not(:placeholder-shown) {
    border-color: var(--accent-orange);
}

input.form-control:valid:not(:placeholder-shown) {
    border-color: var(--accent-green);
}

/* Select box nemá validaci - vždy má hodnotu */
select.form-control:focus {
    border-color: var(--primary-main);
    box-shadow: 0 0 0 4px rgba(0, 82, 204, 0.1), var(--shadow-md);
    background: var(--background);
    transform: translateY(-1px);
}

.dark-mode .form-control {
    border-color: var(--border-color);
    background: var(--card-bg);
    box-shadow: var(--shadow-xs);
}

.dark-mode .form-control:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.dark-mode .form-control:focus {
    border-color: var(--primary-main);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15), var(--shadow-md);
    background: var(--background-light);
}

.dark-mode select.form-control {
    background-color: var(--card-bg);
}

.dark-mode select.form-control:focus {
    background-color: var(--background-light);
}

.dark-mode .form-group label {
    color: var(--text-dark);
}

.dark-mode .form-group:focus-within label {
    color: var(--primary-main);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

select.form-control {
    cursor: pointer;
    background-color: var(--card-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%230052CC' d='M7 10L2 5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 50px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    border-color: var(--border-color);
}

select.form-control:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

input[type="file"].form-control {
    padding: 12px 16px;
    cursor: pointer;
    border-style: dashed;
}

input[type="file"].form-control:hover {
    border-color: var(--primary-main);
    background: var(--primary-light);
}

.pricing-calculator {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    margin: 60px auto;
    max-width: 650px;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.pricing-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-main), var(--accent-teal), var(--accent-green));
}

.pricing-calculator h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Formuláře v sekcích */
.review-form,
.contact-form,
.order-form {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.review-form::before,
.contact-form::before,
.order-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-main), var(--accent-teal), var(--accent-green));
}

.review-form h3,
.contact-form h3,
.order-form h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Kontakt – rozvržení a karty */
.contact-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: var(--card-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    align-items: center;
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%);
    color: white;
    box-shadow: var(--shadow-colored);
    flex-shrink: 0;
}

.contact-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.contact-cta .btn-outline {
    background: rgba(0, 82, 204, 0.08);
    border-color: rgba(0, 82, 204, 0.3);
    color: var(--primary-main);
}

.contact-cta .btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-main) 0%, var(--accent-teal) 100%);
    color: var(--text-white);
    border-color: transparent;
}

@media (max-width: 992px) {
    .contact-details { grid-template-columns: 1fr; }
    .contact-container { grid-template-columns: 1fr; }
}

.form-group small {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

/* Zprávy o úspěchu/chybě */
#reviewSuccess,
#reviewError,
#successMessage {
    margin-top: var(--spacing-lg);
    padding: 18px 24px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease-out;
}

#reviewSuccess,
#successMessage {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1) 0%, rgba(0, 200, 83, 0.05) 100%);
    color: var(--accent-dark-green);
    border: 2px solid rgba(0, 200, 83, 0.2);
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.15);
}

#reviewError {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    color: var(--accent-orange);
    border: 2px solid rgba(255, 107, 53, 0.2);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.15);
}

/* Admin panel formulář */
.admin-panel {
    background: var(--background-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.admin-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.admin-login {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border-color);
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.admin-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-main), var(--accent-teal), var(--accent-green));
}

.admin-login h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

/* Hodnocení - hvězdičky */
.stars {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    margin-bottom: 16px;
}

.star {
    font-size: 32px;
    color: #ddd;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
    line-height: 1;
}

.star.active,
.star.hover {
    color: #ffd700;
    transform: scale(1.1);
}

/* Neaktivní hvězdičky jsou šedé */
.star:not(.active):not(.hover) {
    color: #ddd;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--accent-teal) 100%);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

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

.footer-column {
    position: relative;
}

.footer-column:first-child {
    display: flex;
    flex-direction: column;
}

.footer-column h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-column p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

.footer-column a {
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: white !important;
    transform: translateX(4px);
    opacity: 1;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: white;
    transform: translateX(4px);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.copyright-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.copyright-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.copyright-logo:hover {
    opacity: 1;
}

.copyright-logo {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.copyright-logo:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.copyright-logo img {
    height: 20px;
    width: auto;
    max-width: 60px;
    object-fit: contain;
    display: block;
    opacity: 0.95;
    transition: var(--transition-fast);
}

.copyright-logo:hover img {
    opacity: 1;
}

.dark-mode footer {
    background: linear-gradient(135deg, #0a1628 0%, var(--primary-dark) 100%);
}

/* FIX: Footer logo size */
.footer-logo {
    margin-bottom: 20px;
    text-align: center;
}

.footer-logo img {
    height: 50px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-logo img:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Responzivní design - UPRAVENO PRO MOBILNÍ MENU */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        z-index: 1001;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        justify-content: flex-start;
        padding: 15px;
        font-size: 16px;
        border-radius: var(--border-radius);
        margin: 2px 0;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1002;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title h2 {
        font-size: 36px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .services-process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .filaments-grid {
        grid-template-columns: 1fr;
    }
    
    .process-details {
        flex-direction: column;
        gap: 10px;
    }
    
    .card-footer {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .card-btn {
        justify-content: center;
    }
    
    .process-cta {
        padding: 40px 25px;
    }
    
    .cta-content h3 {
        font-size: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-cell {
        padding: 12px 15px;
        justify-content: space-between;
        border-bottom: 1px solid rgba(0, 70, 166, 0.1);
    }
    
    .comparison-cell:before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--primary-dark);
    }
    
    .comparison-header .comparison-cell:before {
        content: none;
    }

    .printer {
        font-size: 24px;
    }
    
    .printer-2, .printer-4, .printer-5 {
        display: none;
    }

    .nav-printer {
        font-size: 16px;
    }
    
    /* Responzivita pro novou sekci Projekty */
    .project-gallery {
        flex-direction: column;
    }
    .project-img-wrapper {
        height: 200px;
    }

    /* Footer logo responzivita */
    .footer-logo img {
        height: 40px;
        max-width: 120px;
        padding: 6px;
    }
    .copyright-logo img {
        height: 18px;
        max-width: 50px;
    }

    /* Tabulka ve formuláři - responzivita */
    .service-type-table {
        display: block;
        overflow-x: auto;
    }
    
    .service-type-table table {
        min-width: 300px;
    }
}

@media (max-width: 480px) {
    .services-process-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        padding: 20px 20px 15px;
    }
    
    .card-content {
        padding: 0 20px 20px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-name {
        font-size: 20px;
    }
    
    .logo-img {
        height: 35px;
        max-width: 100px;
    }
    
    .footer-logo img {
        height: 35px;
        max-width: 100px;
        padding: 5px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-column:first-child {
        text-align: center;
        align-items: center;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .copyright-content {
        flex-direction: column;
        gap: 8px;
    }

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

    .copyright-logo img {
        height: 16px;
        max-width: 45px;
    }
}

/* Nové styly pro tabulku ve formuláři */
.service-type-table {
    margin: 15px 0;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.service-type-table table {
    width: 100%;
    border-collapse: collapse;
}

.service-type-table th {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
    text-align: left;
    padding: 12px 15px;
    border-bottom: 2px solid var(--primary-main);
}

.service-type-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

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

.service-type-table tr:hover {
    background: var(--background-light);
}

.service-type-table input[type="radio"] {
    margin-right: 8px;
}

.dark-mode .service-type-table th {
    background: var(--primary-dark);
    color: var(--text-white);
}

.dark-mode .service-type-table {
    border-color: var(--border-color);
}

/* Styl pro promo kód pole */
.promo-field {
    position: relative;
}

.promo-field .form-control {
    padding-right: 100px;
}

.promo-apply {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-green);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius-xs);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.promo-apply:hover {
    background: var(--accent-dark-green);
}

.dark-mode .promo-apply {
    background: var(--accent-green);
}

.dark-mode .promo-apply:hover {
    background: var(--accent-dark-green);
}

/* ============================================== */
/* NOVÉ STYLY PRO TAWK.TO CHAT WIDGET */
/* ============================================== */

/* Vlastní tlačítko pro chat - kolečko s ikonou */
.custom-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 10000;
    transition: all 0.3s ease;
    animation: chatPulse 2s infinite;
}

.custom-chat-widget:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.custom-chat-icon {
    color: white;
    font-size: 28px;
}

/* Skryjeme výchozí tlačítko tawk.to */
.tawk-button-container {
    display: none !important;
}

/* Animace pulzování pro chat */
@keyframes chatPulse {
    0% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(102, 126, 234, 0); }
    100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0); }
}

@media (max-width: 768px) {
    .custom-chat-widget {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .custom-chat-icon {
        font-size: 22px;
    }
}