/* ============================================================
   PREC-FORG Kft. — Modern CSS
   ============================================================ */

/* --- 1. Custom Properties --- */
:root {
    --color-primary: #4c98c9;
    --color-primary-dark: #3682b2;
    --color-primary-light: #e8f2fa;
    --color-btn: #5cc8fa;
    --color-btn-dark: #3ab8f0;
    --color-dark: #232323;
    --color-darker: #1a1a1a;
    --color-gray-bg: #f6f7f8;
    --color-gray-border: #e0e0e0;
    --color-text: #555;
    --color-text-dark: #333;
    --color-text-light: #888;
    --color-white: #fff;
    --font-main: 'Rubik', sans-serif;
    --container-width: 1170px;
    --nav-height: 90px;
    --transition: 0.3s ease;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
}

/* --- 2. Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
body {
    margin: 0;
    padding: 0;
    display: block;
    min-height: 100vh;
    font-family: var(--font-main);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
ul { list-style: none; margin: 0; padding: 0; }

/* --- 3. Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-dark);
    font-weight: 500;
    line-height: 1.3;
    margin: 0 0 15px;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
p { margin: 0 0 15px; }
.lead { font-size: 1.15rem; color: var(--color-text-light); font-weight: 300; }
.section-title { text-align: center; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; font-size: 1.6rem; }
.section-subtitle { text-align: center; margin-bottom: 40px; color: var(--color-text-light); font-weight: 300; }
blockquote {
    border-left: 4px solid var(--color-primary);
    margin: 20px 0;
    padding: 15px 25px;
    font-style: italic;
    color: var(--color-text);
    background: var(--color-gray-bg);
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* --- 4. Layout --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}
.section {
    padding: 80px 0;
}
.section--gray { background: var(--color-gray-bg); }
.section--dark {
    background: var(--color-dark);
    color: #ccc;
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }
.section--dark a { color: var(--color-primary); }
.section--parallax {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
    position: relative;
}
.section--parallax::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
}
.section--parallax .container { position: relative; z-index: 1; }
.section--parallax h2 { color: var(--color-white); }
.text-center { text-align: center; }

/* --- 5. Topbar --- */
.topbar {
    background: var(--color-gray-bg);
    border-bottom: 1px solid var(--color-gray-border);
    font-size: 13px;
    padding: 8px 0;
    color: var(--color-text-light);
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.topbar a { color: var(--color-text); margin-left: 20px; }
.topbar a:hover { color: var(--color-primary); }
.topbar-right { display: flex; align-items: center; }

/* --- 6. Navbar --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    transition: box-shadow var(--transition);
    border-bottom: 1px solid transparent;
}
.navbar--scrolled {
    box-shadow: var(--shadow);
    border-bottom-color: var(--color-gray-border);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}
.logo img { height: 100px; width: auto; }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}
.nav-menu li a {
    display: block;
    padding: 8px 14px;
    color: var(--color-text-dark);
    font-size: 14px;
    font-weight: 400;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.nav-menu .flag { vertical-align: middle; }
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-text-dark);
}

/* --- 7. Hero Slider --- */
.hero {
    position: relative;
    height: 75vh;
    min-height: 450px;
    max-height: 700px;
    overflow: hidden;
}
.hero-slider { position: relative; width: 100%; height: 100%; }
.hero-slider input[type="radio"] { display: none; }
.slides { position: relative; width: 100%; height: 100%; }
.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
}
.slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.4) 55%, transparent 100%);
}
#slide1:checked ~ .slides .slide:nth-child(1),
#slide2:checked ~ .slides .slide:nth-child(2) {
    opacity: 1;
    z-index: 1;
}
.slide-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.slide-content {
    max-width: 480px;
    padding: 0 20px;
}
.slide-content h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    line-height: 1.15;
    letter-spacing: 0.5px;
}
.slide-content p {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: 25px;
}
.slide-image {
    flex-shrink: 0;
}
.slide-image img {
    max-height: 420px;
    width: auto;
    filter: drop-shadow(0 8px 25px rgba(0,0,0,0.15));
}
.hero-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}
.hero-nav label {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all var(--transition);
}
#slide1:checked ~ .hero-nav label:nth-child(1),
#slide2:checked ~ .hero-nav label:nth-child(2) {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* --- 8. Page Hero (subpages) --- */
.page-hero {
    position: relative;
    padding: 100px 0 60px;
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--color-white); font-size: 2.2rem; margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.85); font-size: 1.15rem; }

/* --- 9. Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--color-btn);
    color: var(--color-white);
    border: 2px solid var(--color-btn);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition);
}
.btn:hover {
    background: var(--color-btn-dark);
    border-color: var(--color-btn-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.btn--outline {
    background: transparent;
    color: var(--color-btn);
}
.btn--outline:hover {
    background: var(--color-btn);
    color: var(--color-white);
}
.btn--white {
    background: var(--color-white);
    color: var(--color-text-dark);
    border-color: var(--color-white);
}
.btn--white:hover {
    background: transparent;
    color: var(--color-white);
}
.btn--sm { padding: 8px 20px; font-size: 13px; }

/* --- 10. Certificate Bar --- */
.cert-bar {
    text-align: center;
    margin-bottom: 30px;
}
.cert-bar img {
    display: inline-block;
    max-width: 70px;
    margin-bottom: 15px;
}
.cert-bar .btn { margin: 0 5px 10px; }

/* --- 11. Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.service-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.service-card-img {
    height: 180px;
    overflow: hidden;
}
.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.service-card:hover .service-card-img img {
    transform: scale(1.05);
}
.service-card-body {
    padding: 20px;
}
.service-card-body h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}
.service-card-body p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

/* --- 12. Lakatos Highlight (homepage) --- */
.lakatos-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.lakatos-highlight-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.lakatos-highlight-images img {
    border-radius: var(--radius);
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.lakatos-highlight-text h2 { text-align: left; }
.lakatos-highlight-text p { margin-bottom: 20px; }

/* --- 13. Feature Cards (lakatos subpage) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.feature-card i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    display: block;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

/* --- 14. Advantages --- */
.advantages {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    text-align: center;
}
.advantage-item {
    flex: 1 1 180px;
    max-width: 200px;
}
.advantage-item i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    display: block;
}
.advantage-item h4 { font-size: 0.95rem; margin-bottom: 5px; }
.advantage-item p { font-size: 0.85rem; color: var(--color-text-light); margin: 0; }

/* --- 15. Tabs --- */
.tabs { max-width: 800px; margin: 0 auto; }
.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.tab-btn {
    background: none;
    border: 2px solid var(--color-gray-border);
    border-radius: var(--radius);
    padding: 12px 20px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--color-text);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 140px;
}
.tab-btn i { font-size: 1.5rem; color: var(--color-primary); }
.tab-btn:hover, .tab-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}
.tab-panel { display: none; text-align: center; }
.tab-panel.active { display: block; }
.tab-panel h3 { text-transform: uppercase; letter-spacing: 1px; }

/* --- 16. Gallery --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    cursor: pointer;
    aspect-ratio: 4/3;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
    content: '\f00e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(76,152,201,0.3);
    color: var(--color-white);
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item.hidden { display: none; }
.gallery-load-more {
    text-align: center;
    margin-top: 30px;
}

/* --- 17. Lightbox --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox[hidden] { display: none; }
.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius);
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    padding: 15px;
    opacity: 0.7;
    transition: opacity var(--transition);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { opacity: 1; }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

/* --- 18. Contact --- */
.contact-info {
    text-align: center;
    margin-bottom: 30px;
}
.contact-info h2 { margin-bottom: 10px; }
.contact-info a { color: var(--color-text); }
.contact-info a:hover { color: var(--color-primary); }
.contact-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 20px 0;
}
.contact-list i { color: var(--color-primary); margin-right: 8px; width: 20px; text-align: center; }
.contact-divider { height: 1px; width: 60px; background: var(--color-gray-border); margin: 15px auto; }
.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.map-container iframe { display: block; width: 100%; height: 350px; border: none; }

/* --- 19. Footer --- */
.footer {
    background: var(--color-dark);
    color: #aaa;
    text-align: center;
    padding: 35px 20px;
    font-size: 14px;
}
.footer a {
    color: #ccc;
    margin: 0 12px;
    transition: color var(--transition);
}
.footer a:hover { color: var(--color-primary); }
.footer-links { margin-bottom: 12px; }
.footer-links i { margin-right: 5px; }
.footer-lang { margin-bottom: 12px; }
.footer-lang .flag { vertical-align: middle; margin-left: 4px; }
.footer p { margin: 4px 0; color: #666; font-size: 13px; }

/* --- 20. Dialog/Modal --- */
dialog {
    border: none;
    border-radius: var(--radius);
    padding: 0;
    max-width: 650px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}
dialog::backdrop { background: rgba(0,0,0,0.5); }
.modal-content {
    padding: 35px;
    text-align: left;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-content h2 { margin-bottom: 20px; }
.modal-close {
    position: absolute;
    top: 12px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 5px;
}
.modal-close:hover { color: var(--color-text-dark); }
.modal-footer {
    padding: 15px 35px;
    background: var(--color-gray-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
}
.modal-footer a { color: var(--color-text); }

/* --- 21. Policy page --- */
.policy-content { max-width: 800px; margin: 0 auto; }
.policy-content h1 { font-size: 1.8rem; margin-bottom: 20px; }
.policy-content h2 { font-size: 1.4rem; margin-top: 30px; color: var(--color-primary-dark); }
.policy-content h3 { font-size: 1.15rem; margin-top: 20px; }
.policy-content ul { list-style: disc; padding-left: 25px; margin-bottom: 15px; }
.policy-content ul li { margin-bottom: 5px; }
.policy-content em { color: var(--color-text-light); }

/* --- 22. Scroll Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- 23. Responsive --- */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .lakatos-highlight { grid-template-columns: 1fr; }
    .slide-content h2 { font-size: 2.2rem; }
    .slide-image img { max-height: 340px; }
}
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-menu {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 15px 20px;
        box-shadow: var(--shadow);
        border-top: 1px solid var(--color-gray-border);
    }
    .nav-menu.open { display: flex; }
    .nav-menu li a { padding: 10px 0; }
    .hero { height: 50vh; min-height: 350px; }
    .slide-content { padding: 0 20px; }
    .slide-inner { flex-direction: column; text-align: center; }
    .slide-content { max-width: 100%; text-align: center; }
    .slide-content h2 { font-size: 1.8rem; }
    .slide-content p { font-size: 1.05rem; }
    .slide-image { display: none; }
    .logo img { height: 70px; }
    .section { padding: 50px 0; }
    .section-title { font-size: 1.3rem; }
    h1 { font-size: 1.5rem; }
    .tab-buttons { gap: 5px; }
    .tab-btn { min-width: auto; padding: 10px 15px; font-size: 13px; }
    .topbar { display: none; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .contact-list { font-size: 14px; }
    .page-hero { padding: 80px 0 40px; min-height: 220px; }
    .page-hero h1 { font-size: 1.6rem; }
    .features-grid { grid-template-columns: 1fr; }
    .advantages { gap: 20px; }
}
@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .hero { height: 45vh; min-height: 300px; }
    .slide-content h2 { font-size: 1.5rem; }
    .slide-content p { font-size: 0.95rem; }
    .logo img { height: 60px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
}