/* Color Palette & Variables */
:root {
    --primary-yellow: hsl(45, 95%, 55%);
    --primary-yellow-hover: hsl(45, 95%, 45%);
    --dark-bg: hsl(220, 10%, 12%);
    --darker-bg: hsl(220, 15%, 8%);
    --text-light: hsl(0, 0%, 95%);
    --text-muted: hsl(0, 0%, 75%);
    --accent-red: hsl(0, 80%, 50%);
    
    --transition-speed: 0.4s;
    --font-main: 'Inter', sans-serif;
}

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

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

h1, h2, h3, h4 {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--dark-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-yellow);
    border-radius: 5px;
}

/* Base Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition-speed) ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: var(--darker-bg);
}

.btn-primary:hover {
    background-color: var(--primary-yellow-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

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

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