:root {
    --primary-color: #84c225;
    --primary-dark: #6da01d;
    --dark-color: #1d1d1f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #86868b;
    --section-padding: 80px 0;
    --transition: all 0.4s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    background-color: #fff;
    line-height: 1.5;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.logo {
    height: 50px;
    transition: transform 0.3s ease;
}

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

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.mobile-menu-btn:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('images/header.jpg') center/cover no-repeat;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(132, 194, 37, 0.1), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.8rem;
    max-width: 800px;
    margin: 0 auto 30px;
    font-weight: 300;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 14px 30px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 5px 15px rgba(132, 194, 37, 0.3);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(132, 194, 37, 0.4);
}

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid white;
    box-shadow: none;
}

.cta-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
    z-index: 1;
}

.scroll-down:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(5px);
}

.scroll-down::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background-color: white;
    margin-top: 10px;
    animation: scrollPulse 2s infinite;
}

/* Section Styling */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 300;
    margin-bottom: 20px;
}

/* Features Section General */
.features-grid {
    display: grid;
    gap: 25px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

#o-nas .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

#uslugi .features-grid {
    grid-template-columns: repeat(2, 1fr);
}

.feature-card {
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* Styles for "O Nas" Section Cards */
#o-nas .feature-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}

#o-nas .feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

#o-nas .feature-card:hover .feature-img img {
    transform: scale(1.05);
}

#o-nas .feature-content {
    padding: 30px;
}

#o-nas .feature-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

#o-nas .feature-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Styles for "Usługi i produkty" Accordion Cards */
#uslugi .feature-card {
    cursor: pointer;
}

#uslugi .feature-card-header {
    display: flex;
    align-items: center;
    padding: 25px;
}

#uslugi .feature-card-header .feature-img-thumb {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    margin-right: 20px;
    flex-shrink: 0;
}

#uslugi .feature-card-header .feature-img-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#uslugi .feature-card-header .feature-content {
   flex-grow: 1;
   padding: 0;
   margin-right: 15px;
}

#uslugi .feature-card-header .feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0;
    color: var(--dark-color);
}

#uslugi .feature-teaser {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 8px;
    line-height: 1.4;
    font-weight: 400;
}

#uslugi .accordion-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.4s ease;
}

#uslugi .feature-card.active .accordion-icon {
    transform: rotate(180deg);
}

#uslugi .expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
    padding: 0 30px;
}

#uslugi .feature-card.active .expandable-content {
    max-height: 1500px;
    padding-bottom: 30px;
}

#uslugi .expandable-content .main-photo {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 20px;
    object-fit: cover;
    max-height: 400px;
}

#uslugi .expandable-content p, #uslugi .expandable-content ul {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.9rem;
    font-weight: 400;
}

#uslugi .expandable-content ul {
    list-style-position: inside;
    padding-left: 10px;
}

#uslugi .sub-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
}

#uslugi .sub-gallery-grid img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Projects Gallery Section */
.projects {
    background-color: var(--light-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
}

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

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    opacity: 0;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-title {
    font-size: 1.2rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.gallery-category {
    font-size: 0.9rem;
    opacity: 0.8;
}

.gallery-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-height: 90%;
    display: inline-flex;
    flex-direction: column;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.lightbox-details {
    background-color: white;
    padding: 15px;
    border-radius: 0 0 10px 10px;
}

.lightbox-title {
    font-size: 1.2rem;
    color: var(--dark-color);
    text-align: center;
    font-weight: 500;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 40px;
    height: 40px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background-color: var(--primary-color);
    color: white;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.lightbox-btn {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

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

/* Stats Section */
.stats {
    background-color: var(--light-color);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.stat-value {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.stat-item:hover .stat-value {
    color: var(--primary-dark);
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-light);
}

/* Contact Section */
.contact {
    background-color: var(--light-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    align-items: center;
}

.contact-info {
    padding: 20px;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

.contact-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    transition: var(--transition);
    padding: 10px;
    border-radius: 10px;
}

.contact-detail:hover {
    background-color: rgba(132, 194, 37, 0.05);
}

.contact-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--primary-color);
    min-width: 30px;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
}

.contact-map {
    width: 100%;
    height: 450px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #a1a1a6;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #86868b;
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 100;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero p {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    #uslugi .features-grid, #o-nas .features-grid, .footer-container {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.4s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .nav-links li {
        margin: 0;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2.3rem;
    }
    
    .section-subtitle {
        font-size: 1.2rem;
    }
    
    #o-nas .feature-title {
        font-size: 1.6rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    #uslugi .sub-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-value {
        font-size: 3rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {
    0% { height: 40px; opacity: 1; }
    50% { height: 60px; opacity: 0.5; }
    100% { height: 40px; opacity: 1; }
}

.animate {
    animation: fadeIn 0.8s ease forwards;
}