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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #f7f4f4;
    overflow-x: hidden;
}

h1, h2, h3, h4, .navbar-brand {
    font-family: 'Orbitron', monospace;
    font-weight: 800;
    letter-spacing: 1px;
}

/* Navbar */
.navbar {
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(242, 242, 4, 0.2);
    transition: all 0.3s;
}
.navbar-brand {
    font-size: 1.8rem;
    color: #ecf40b !important;
}
.navbar-brand span {
    color: #ebebe7;
}
.nav-link {
    color: #f5f0f0 !important;
    font-weight: 600;
    margin: 0 10px;
    transition: 0.3s;
}
.nav-link:hover, .nav-link.active {
    color: #ecde1c !important;
    transform: translateY(-2px);
}

/* Hero Parallax */
.hero-section {
    height: 90vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('https://images.pexels.com/photos/4164366/pexels-photo-4164366.jpeg?auto=compress&cs=tinysrgb&w=1600');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}
.parallax {
    background-attachment: fixed;
}
.hero-overlay {
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background: linear-gradient(45deg, #000000aa, #dded07e8);
}
.alpha-highlight {
    color: #ecde1c;
    text-shadow: 0 0 15px rgba(237, 229, 7, 0.975);
}
.btn-primary {
    background: #ecde1c;
    border: none;
    padding: 12px 30px;
    font-weight: bold;
    transition: 0.3s;
    box-shadow: 0 4px 14px rgba(237, 229, 7, 0.888);
}
.btn-primary:hover {
    background: #f9f102;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(237, 229, 7, 0.6);
}
.btn-outline-light {
    border-width: 2px;
    transition: 0.3s;
}
.btn-outline-light:hover {
    background: #ecde1c;
    border-color: #ecde1c;
    transform: scale(1.02);
}
.highlight-card, .trainer-card, .service-card, .testimonial-card {
    background: #111;
    border-radius: 24px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid rgb(243, 235, 7);
}
.highlight-card:hover, .service-card:hover, .testimonial-card:hover, .trainer-card:hover {
    transform: translateY(-12px);
    background: #1a1a1a;
    border-color: #ecde1c;
    box-shadow: 0 20px 30px rgba(244, 240, 8, 0.948);
}
.parallax-small {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    position: relative;
}
.overlay-dark {
    background: rgba(0,0,0,0.7);
    padding: 60px 0;
}
.footer {
    background: #000000;
    border-top: 2px solid #ecde1c;
}
.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #222;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 12px;
    color: #ecde1c;
    transition: 0.3s;
}
.social-icons a:hover {
    background: #ecde1c;
    color: #070606;
    transform: rotate(360deg) scale(1.1);
}
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #ecde1c;
    color: rgb(4, 4, 4);
    border: none;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 999;
    box-shadow: 0 4px 12px yellow;
}
.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
}
.scroll-top-btn:hover {
    background: #f9f102;
    transform: scale(1.1);
}
.trainer-card img {
    object-fit: cover;
    border: 3px solid #ecde1c;
}
.form-control {
    background: #f5f5ee;
    border: 1px solid #f6ee02;
    color: rgb(10, 10, 10);
}
.form-control:focus {
    background: #070707;
    border-color: #ecde1c;
    box-shadow: 0 0 0 0.25rem rgba(247, 251, 2, 0.945);
}
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    .parallax, .parallax-small {
        background-attachment: scroll;
    }
}