:root {
    --bg-color: #050505;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #F26725; /* Stryka Orange */
    --accent-hover: #ff8248;
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

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

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 800;
}

span.highlight, span {
    color: var(--accent);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    text-decoration: none;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(242, 103, 37, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 103, 37, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

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

.btn-outline {
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: #fff;
}

.btn-text {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.btn-text:hover {
    color: var(--text-primary);
    padding-left: 5px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(5, 5, 5, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-container {
    padding: 1rem 2rem;
}

.nav-logo {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.logo {
    font-size: 1.8rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent);
    transition: var(--transition-fast);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 5px;
    transition: var(--transition-fast);
}

/* --- Hero --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--bg-secondary);
    background-size: cover;
    background-position: center;
    padding-top: 80px; /* Offset for navbar to prevent cutoff */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

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

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

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

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

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

.features-list {
    list-style: none;
}

.features-list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.features-list li span {
    font-weight: bold;
    font-size: 1.2rem;
}

.image-wrapper {
    position: relative;
}

/* Decorative border removed per user request
.image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent);
    z-index: 0;
}
*/

.image-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--bg-card);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    background-size: cover;
    background-position: center;
}

/* --- Classes --- */
.classes {
    background-color: var(--bg-secondary);
}

.classes .section-header {
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.classes .section-header p {
    color: var(--text-secondary);
}

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

.class-card {
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-slow);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border-color: rgba(242, 103, 37, 0.5);
}

.card-img {
    height: 300px;
    background-color: #222;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 2rem;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* --- CTA --- */
.mt-cta {
    background: linear-gradient(45deg, var(--bg-card) 0%, var(--bg-color) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.contact-form {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form input {
    flex: 1;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 4px;
    font-family: var(--font-body);
}

.contact-form input:focus {
    outline: none;
    border-color: var(--accent);
}

/* --- Footer --- */
.footer {
    background-color: var(--bg-color);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
}

.footer-links a, .footer-social a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition-fast);
}

.footer-links h3, .footer-social h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links a:hover, .footer-social a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Animations & Utilities --- */

/* Scroll animations initial states */
.fade-in-up, .slide-in-left, .slide-in-right {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up {
    transform: translateY(40px);
}

.slide-in-left {
    transform: translateX(-50px);
}

.slide-in-right {
    transform: translateX(50px);
}

/* When visible */
.is-visible {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; }
    .classes-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
    .contact-form { flex-direction: column; }
    .services-grid { grid-template-columns: 1fr 1fr !important; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(5, 5, 5, 0.95);
        flex-direction: column;
        padding: 2rem 0;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .services-grid { grid-template-columns: 1fr !important; }
}

#home { background-image: url('images/hero.png'); }
#about-img-placeholder { background-image: url('images/about.png'); color: transparent !important; }
#muay-thai-img { background-image: url('images/fight_camp.jpg'); }
#fitness-img { background-image: url('images/sparring_centered.png'); }
#sparring-img { background-image: url('images/gym_session.jpg'); }