/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: #3498db;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-family: 'Source Serif Pro', serif;
    font-size: 2.2rem;
    font-weight: 600;
    color: #1a252f;
    margin-bottom: 2.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #34495e;
}

/* Smooth transitions for all interactive elements */
button, .skill-tag, .nav-menu a {
    transition: all 0.3s ease;
}