/* Root Variables */
:root {
    --primary-color: #c9a961;
    --secondary-color: #1a1a1a;
    --accent-color: #f4f4f4;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --black: #000000;
    --overlay: rgba(0, 0, 0, 0.7);
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 1px;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: var(--transition);
}

.lang-switcher {
    list-style: none;
}

.lang-btn {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    text-transform: uppercase;
}

.lang-btn:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(var(--overlay), var(--overlay)), 
                url('images/Aleksander_Fialek_original.jpg') center top/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(26, 26, 26, 0.8));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

/* Fade In Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    color: var(--secondary-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 1rem auto;
}

/* About Section */
.about {
    background: var(--accent-color);
}

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

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

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

.about-text {
    padding: 2rem 0;
}

.lead {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-details {
    margin-top: 2rem;
}

.detail-item {
    padding: 1rem 0;
    border-bottom: 1px solid #ddd;
}

.detail-item strong {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

/* Skills Section */
.skills {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--accent-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-size: 1.4rem;
}

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

/* Portfolio/Gallery Section */
.portfolio {
    background: var(--secondary-color);
    color: var(--white);
}

.portfolio .section-title {
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    aspect-ratio: 4/3;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(201, 169, 97, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

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

/* Experience Section */
.experience {
    background: var(--accent-color);
}

.experience-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.tab-content.active {
    display: block;
}

.experience-list {
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    background: var(--white);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.experience-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.experience-item h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.details {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2.5rem;
    min-width: 60px;
}

.contact-item h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-links h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

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

.contact-links li {
    margin-bottom: 1rem;
}

.contact-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.contact-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .experience-tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 100%;
        max-width: 300px;
    }

    .lang-switcher {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }

    .lang-btn {
        width: 100px;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    section {
        padding: 3rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .scroll-indicator,
    .footer {
        display: none;
    }
}