/**
 * Reset & Base Styles
 * Browser normalization and fundamental element styles
 */

/* Box Model Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base Typography & Layout */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
}

/* Base Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Base Layout Utilities */
.section {
    padding: 120px 0;
    position: relative;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 4rem;
    line-height: 1.75;
}

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

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}