:root {
    /* Color Palette - HSL for flexibility */
    --bg-dark: 210 11% 7%;
    --bg-card: 210 11% 12%;
    --accent-blue: 195 100% 45%;
    --accent-yellow: 43 100% 50%;
    --text-primary: 0 0% 100%;
    --text-secondary: 210 5% 70%;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Borders */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius-lg: 16px;
    --radius-sm: 8px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: hsl(var(--bg-dark));
    color: hsl(var(--text-primary));
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Glassmorphism Utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* Button Utility */
.btn-primary {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: hsl(var(--accent-blue));
    color: black;
    font-weight: 700;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 20px hsla(var(--accent-blue), 0.3);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px hsla(var(--accent-blue), 0.5);
}

/* Top Header */
.top-header {
    background: hsla(var(--bg-dark), 0.9);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 5%;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
    position: fixed;
    top: 0;
    width: 100%;
    /* Changed from 60% to 100% for full width */
    z-index: 1001;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.top-header a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.top-header a:hover {
    color: hsl(var(--accent-blue));
}

@media (max-width: 768px) {
    .top-header {
        justify-content: center;
        width: 100%;
        gap: 1rem;
    }
}

/* Navbar Styles */
#navbar {
    position: fixed;
    top: 2.5rem;
    /* Space for top-header */
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    z-index: 1000;
    transition: var(--transition);
    display: flex;
    justify-content: center;
}

nav {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

.logo span {
    color: hsl(var(--accent-blue));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: hsl(var(--accent-blue));
}

/* Hero Section Styles */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

.hero-content {
    text-align: center;
    padding: 4rem;
    z-index: 10;
    max-width: 800px;
}

.hero-content h1 {
    font-size: clamp(3rem, 10vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    color: hsl(var(--accent-blue));
    display: block;
}

.hero-content p {
    font-size: 1.2rem;
    color: hsl(var(--text-secondary));
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

/* Animated Background Shapes */
.hero-bg-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.shape {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: hsla(var(--accent-blue), 0.3);
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: hsla(var(--accent-yellow), 0.15);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(100px, 50px) scale(1.1);
    }
}

/* Section Layouts */
section {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Section Utilities */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.section-title span {
    color: hsl(var(--accent-blue));
}

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

.service-card {
    padding: 2.5rem;
    text-align: left;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: hsla(var(--accent-blue), 0.5);
    background: rgba(255, 255, 255, 0.05);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: white;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.learn-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: hsl(var(--accent-blue));
    margin-top: auto;
    transition: var(--transition);
}

.service-card:hover .learn-more {
    transform: translateX(5px);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details p {
    margin-bottom: 1rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: white;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: hsl(var(--accent-blue));
    background: rgba(255, 255, 255, 0.1);
}

/* Portfolio / Realizace Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    position: relative;
    height: 300px;
    overflow: hidden;
    padding: 0;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover img {
    transform: scale(1.1);
}

.portfolio-card:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.badge {
    padding: 0.3rem 0.8rem;
    background: hsla(var(--accent-blue), 0.2);
    border: 1px solid hsl(var(--accent-blue));
    color: hsl(var(--accent-blue));
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Footer & Social */
footer {
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-logo span {
    color: hsl(var(--accent-blue));
}

.social-links {
    margin: 1rem 0;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    transition: var(--transition);
}

.social-btn svg {
    width: 20px;
    height: 20px;
}

.social-btn:hover {
    transform: translateY(-3px);
    border-color: hsl(var(--accent-blue));
    color: hsl(var(--accent-blue));
    box-shadow: 0 0 15px hsla(var(--accent-blue), 0.2);
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.career-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    font-weight: 500;
}

.career-link:hover,
.career-link.active {
    color: var(--primary-light) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .nav-links {
        display: none;
    }

    .hero-content {
        padding: 2rem;
    }
}