/* Modern Industrial Steel Design for Ocelové Pergoly */

:root {
    --black: #0a0a0a;
    --charcoal: #1a1a1a;
    --dark-gray: #2d2d2d;
    --mustard: #d4a447;
    --mustard-dark: #b8923d;
    --white: #ffffff;
    --text-light: #cccccc;
    --text-gray: #999999;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: transparent;
    backdrop-filter: blur(15px);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 164, 71, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--mustard);
}

.nav-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-phone:hover {
    color: var(--mustard);
}

.phone-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

.phone-divider {
    color: rgba(212, 164, 71, 0.3);
    font-weight: 300;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--black);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.75) 0%, rgba(26, 26, 26, 0.6) 50%, rgba(212, 164, 71, 0.25) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(212, 164, 71, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 2px;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 164, 71, 0.4);
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background: var(--mustard-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(212, 164, 71, 0.4);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--charcoal);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 0;
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(212, 164, 71, 0.2);
}

.section-label {
    display: inline-block;
    color: var(--mustard);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.3;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    border: 1px solid rgba(212, 164, 71, 0.2);
    background: rgba(10, 10, 10, 0.3);
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--mustard);
    margin-bottom: 0.5rem;
}

.feature h4 {
    color: var(--white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--black);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-top: 0.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--charcoal);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    border: 1px solid rgba(212, 164, 71, 0.2);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(212, 164, 71, 0.3);
    border-color: var(--mustard);
}

.service-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Gallery Section */
.gallery {
    padding: 6rem 0;
    background: var(--dark-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    aspect-ratio: 4/3;
    border: 1px solid rgba(212, 164, 71, 0.3);
    transition: border-color 0.3s;
    cursor: pointer;
}

.gallery-item:hover {
    border-color: var(--mustard);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: zoomIn 0.3s;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: var(--mustard);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    padding: 20px;
    user-select: none;
    transition: color 0.3s;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--mustard);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 18px;
    text-align: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--black) 100%);
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.contact-item p {
    font-size: 1.1rem;
}

.contact-form {
    background: rgba(212, 164, 71, 0.08);
    padding: 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 164, 71, 0.2);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    font-size: 1rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.6);
}

.contact-form button {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--mustard);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--orange);
}

/* Responsive Design */
@media (max-width: 968px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
}