/* ===================================
   Global Styles & Variables
   =================================== */

:root {
    --color-primary: #FF6B35;
    --color-primary-light: #F7931E;
    --color-dark: #0f172a;
    --color-dark-secondary: #1e293b;
    --color-text: #1a1a1a;
    --color-text-light: #555;
    --color-text-muted: #666;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-border: #ddd;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-shadow-hover: rgba(0, 0, 0, 0.15);
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    
    --border-radius-sm: 5px;
    --border-radius-md: 10px;
    --border-radius-full: 50px;
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    width: 100%;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

p {
    line-height: 1.7;
    color: var(--color-text-light);
}

a {
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

/* Utility Classes */
.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInFromTop {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries Mobile-First */
@media (max-width: 768px) {
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.1rem;
    }
}