:root {
    /* Branding Colors */
    --primary-color: #ff3c00; /* Intense creative orange/red */
    --primary-hover: #e03500;
    --text-light: #ffffff;
    --text-muted: #d1d5db;
    --bg-dark: #0f0f11;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    width: 100%;
}

/* ------------- Navbar ------------- */
.navbar {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 2rem 5%;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.5rem;
    letter-spacing: 3px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 38px;
    background-color: var(--primary-color);
    transform: skew(-20deg);
}

/* ------------- Hero Section ------------- */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh; /* For mobile support */
    display: flex;
    align-items: center;
    padding: 0 10%;
    box-sizing: border-box;
    
    /* Premium Gym Background Image from Unsplash */
    background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Dark gradient fading from left to right to make text readable */
    background: linear-gradient(90deg, rgba(10,10,12,0.95) 0%, rgba(10,10,12,0.8) 40%, rgba(10,10,12,0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    opacity: 0;
    animation: slideUpFade 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.2s;
}

.hero-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 7rem;
    line-height: 0.9;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.6);
}

.highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 500px;
}

/* ------------- Buttons ------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 24px rgba(255, 60, 0, 0.4);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(255, 60, 0, 0.6);
    transform: translateY(-4px);
}

.btn-primary .icon {
    transition: transform 0.3s ease;
}

.btn-primary:hover .icon {
    transform: translateY(4px);
}

/* ------------- Animations ------------- */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ------------- Responsive Design ------------- */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 5rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 0 6%;
        justify-content: center;
        text-align: center;
    }

    .hero-overlay {
        /* Bottom to top gradient for mobile portrait readability */
        background: linear-gradient(180deg, rgba(10,10,12,0.4) 0%, rgba(10,10,12,0.95) 100%);
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-top: 4rem; /* Spacer for the navbar */
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
        margin: 0 auto 2.5rem auto;
        padding: 0 1rem;
    }
    
    .navbar {
        justify-content: center;
        padding: 1.5rem 5%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .action-buttons {
        width: 100%;
        padding: 0 1rem;
        box-sizing: border-box;
    }
    
    .btn {
        width: 100%;
        padding: 1rem 1rem;
        font-size: 1rem;
    }
    
    .logo {
        font-size: 2.8rem;
    }
}