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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    background-image: var(--gradient-bg);
    background-attachment: fixed;
}

/* Typography Foundation */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Global Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section {
    padding: var(--space-24) 0;
}

.section-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-12);
    text-align: center;
    position: relative;
    display: block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.text-highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-morphism {
    background: var(--bg-tertiary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

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

.text-secondary {
    color: var(--text-secondary);
}

/* Base Responsive */
@media (max-width: 768px) {
    .section {
        padding: var(--space-16) 0;
    }
    .section-title {
        font-size: var(--text-2xl);
        padding: 0 var(--space-2);
        word-wrap: break-word;
    }
    
    body {
        max-width: 100vw;
        overflow-x: hidden;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .card, .glass-morphism, .timeline-content {
        padding: var(--space-6) var(--space-4); /* Add some breathing room for cards on mobile */
    }
}