/* Variables */
:root {
    --primary-dark: #1a1a1a;
    --secondary-dark: #2d2d2d;
    --accent-yellow: #ffc107;
    --text-light: #f8f9fa;
    --text-muted: #adb5bd;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding-top: 76px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.display-4 {
    font-weight: 800;
    letter-spacing: -0.04em;
}

/* Navbar */
.navbar {
    background: rgba(26, 26, 26, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 193, 7, 0.1);
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-yellow) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    min-height: calc(100vh - 76px);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 193, 7, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Cards */
.hover-card {
    transition: all 0.3s ease;
    background: #2d2d2d;
    color: #f8f9fa;
}

.hover-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4) !important;
    background: #3d3d3d;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
}

.btn-warning {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
    color: #1a1a1a;
}

.btn-warning:hover {
    background: #e6a800;
    border-color: #e6a800;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.3);
}

.btn-outline-light {
    border-width: 2px;
}

.btn-outline-light:hover {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
    color: #1a1a1a;
}

/* Footer */
footer a.hover-warning:hover {
    color: var(--accent-yellow) !important;
    transition: color 0.3s ease;
}

footer .text-secondary {
    color: #adb5bd !important;
}

/* Forms */
.form-control {
    background: #2d2d2d;
    border: 1px solid #3d3d3d;
    color: #f8f9fa;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
}

.form-control:focus {
    background: #3d3d3d;
    border-color: var(--accent-yellow);
    box-shadow: 0 0 0 0.25rem rgba(255, 193, 7, 0.15);
    color: #f8f9fa;
}

.form-control::placeholder {
    color: #6c757d;
}

.form-label {
    color: #f8f9fa;
    font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 4rem 0;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.25rem;
    }
}

@media (max-width: 576px) {
    body {
        padding-top: 68px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .hero-section .btn {
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-section .container {
    animation: fadeInUp 0.8s ease-out;
}

/* Utility */
.text-warning {
    color: var(--accent-yellow) !important;
}

.bg-warning {
    background-color: var(--accent-yellow) !important;
}

.border-warning {
    border-color: var(--accent-yellow) !important;
}

/* Badge styling */
.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-size: 0.75rem;
}