/* ========== DOPLNKY PRE UV TLAČ STRÁNKU ========== */

/* Hero sekcia špeciálne pre UV */
.hero-uv {
    background: linear-gradient(135deg, #1a3a4f 0%, #0f2c3d 100%);
}

.hero-tag {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--dark-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.highlight {
    color: var(--secondary-color);
}

.hero-features {
    display: flex;
    gap: 25px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.hero-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.hero-features i {
    color: var(--secondary-color);
}

/* Väčšie karty pre UV služby */
.card-large {
    padding: 35px 25px;
}

.card-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.card-link i {
    font-size: 0.8rem;
    margin-left: 5px;
}

/* Technológia showcase */
.tech-showcase {
    padding: 80px 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-color);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.tech-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.tech-item h4 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.tech-item p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Materiály sekcia */
.materials-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.materials-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.materials-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.material-category {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.material-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.material-category h3 i {
    font-size: 1.5rem;
}

.material-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.material-badge {
    background-color: var(--light-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid #dee2e6;
}

.materials-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.materials-note i {
    font-size: 2rem;
    color: var(--secondary-color);
}

/* Reliéfna tlač */
.relief-showcase {
    padding: 80px 0;
    background-color: var(--white);
}

.relief-showcase .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section-tag {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--dark-color);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.relief-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.relief-description {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.relief-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.relief-example {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.relief-example i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.relief-uses h4 {
    margin-bottom: 15px;
}

.relief-uses ul {
    list-style: none;
}

.relief-uses li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.relief-uses li i {
    color: var(--secondary-color);
}

/* Technické parametre */
.tech-specs {
    padding: 60px 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.tech-specs h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.spec-item {
    text-align: center;
    padding: 20px;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.spec-item:last-child {
    border-right: none;
}

.spec-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.spec-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary-color);
}

/* Vylepšený formulár */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.file-attachment {
    background-color: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.file-attachment i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.file-attachment span {
    flex: 1;
    text-align: left;
    font-size: 0.9rem;
    opacity: 0.9;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 8px 16px;
}

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

/* Responzivita pre UV stránku */
@media (max-width: 992px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .materials-categories {
        grid-template-columns: 1fr;
    }
    
    .relief-showcase .container {
        grid-template-columns: 1fr;
    }
    
    .relief-image {
        order: -1;
    }
    
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .spec-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
        padding-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .hero-features {
        flex-direction: column;
        gap: 10px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .file-attachment {
        flex-direction: column;
        text-align: center;
    }
}

/* ========== ZÁKLADNÝ RESET A PREMENNÉ ========== */
:root {
    /* Farebná paleta - prispôsobte svojmu brandu */
    --primary-color: #2A5C7F;      /* Hlavná farba (napr. modrá) */
    --secondary-color: #F4A261;    /* Doplňková farba (napr. oranžová) */
    --dark-color: #1E2B3A;         /* Tmavá na texty */
    --light-color: #F8F9FA;        /* Svetlá na pozadia */
    --gray-color: #6C757D;         /* Šedá na vedľajšie texty */
    --white: #FFFFFF;
    --black: #000000;
    
    /* Ostatné premenné */
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

/* ========== POMOCNÉ TRIEDY ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* ========== BUTTONY (TLACIDLÁ) ========== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: #1e4560; /* Tmavšia verzia primárnej farby */
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background-color: #e08e4a;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

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

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

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

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

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
}


/* ========== HEADER (HLAVIČKA) ========== */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navigácia */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.main-nav a:hover,
.main-nav .active a {
    color: var(--primary-color);
}

.main-nav .active a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* ========== HERO SEKCIE ========== */
.hero-subpage {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4560 100%);
    color: var(--white);
    padding: 80px 0;
}

.hero-subpage .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

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

/* ========== SEKCIE - PRE KOHO (CARDS) ========== */
.use-cases {
    padding: 80px 0;
    background-color: var(--light-color);
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* ========== PROCESS (AKO TO FUNGUJE) ========== */
.process {
    padding: 80px 0;
    background-color: var(--white);
}

.process h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

/* Spojovacia čiara medzi krokmi (len na desktop) */
@media (min-width: 992px) {
    .process-steps {
        position: relative;
    }
    
    .process-steps::before {
        content: '';
        position: absolute;
        top: 50px;
        left: 15%;
        right: 15%;
        height: 2px;
        background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        z-index: 1;
    }
}

.step {
    text-align: center;
    position: relative;
    z-index: 2;
    background-color: var(--white);
    padding: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
    border: 3px solid var(--white);
    box-shadow: var(--box-shadow);
}

.step h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step p {
    color: var(--gray-color);
}

/* ========== TECHNOLOGY (TECHNOLÓGIE) ========== */
.technology {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.technology .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tech-content h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--dark-color);
}

.tech-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--gray-color);
}

.tech-features {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.feature i {
    color: var(--secondary-color);
    font-size: 1.3rem;
    width: 25px;
}

.feature span {
    font-size: 1rem;
}

.materials-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.materials-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.material-tag {
    background-color: var(--white);
    padding: 8px 15px;
    border-radius: 25px;
    font-size: 0.9rem;
    box-shadow: var(--box-shadow);
    border: 1px solid #ddd;
}

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

/* ========== GALÉRIA (UKÁŽKY) ========== */
.gallery-preview {
    padding: 80px 0;
    background-color: var(--white);
}

.gallery-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

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

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

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

.gallery-item .overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background: rgba(42, 92, 127, 0.9);
    color: var(--white);
    padding: 15px;
    text-align: center;
    transition: var(--transition);
}

.gallery-item:hover .overlay {
    bottom: 0;
}

/* ========== FAQ (ČASTÉ OTÁZKY) ========== */
.faq {
    padding: 80px 0;
    background-color: var(--light-color);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* ========== CTA SEKCIE (VÝZVA K AKCII) ========== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4560 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.simple-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.simple-form input,
.simple-form textarea {
    padding: 15px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
}

.simple-form input:focus,
.simple-form textarea:focus {
    outline: 3px solid var(--secondary-color);
}

.simple-form button {
    background-color: var(--secondary-color);
    color: var(--dark-color);
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.simple-form button:hover {
    background-color: #e08e4a;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.small-note {
    margin-top: 20px;
    font-size: 1rem;
    opacity: 0.8;
}

/* ========== FOOTER (PÄTIČKA) ========== */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.footer-about p {
    color: #adb5bd;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact p {
    color: #adb5bd;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #495057;
    color: #adb5bd;
    font-size: 0.9rem;
}

/* ========== RESPONZIVITA (MOBILNÉ ZARIADENIA) ========== */

/* Tablet (do 992px) */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .cards-grid,
    .process-steps,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps::before {
        display: none; /* Skryjeme spojnicu na menších obrazovkách */
    }
    
    .technology .container,
    .hero-subpage .container {
        grid-template-columns: 1fr;
    }
    
    .tech-image {
        order: -1; /* Obrázok pôjde hore */
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobil (do 768px) */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin: 15px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .cards-grid,
    .process-steps,
    .gallery-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .process-steps {
        gap: 20px;
    }
    
    .step {
        padding: 10px;
    }
    
    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .footer-grid {
        gap: 30px;
        text-align: center;
    }
}

/* Malý mobil (do 480px) */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .simple-form input,
    .simple-form textarea,
    .simple-form button {
        padding: 12px;
    }
}