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

/* Base */
body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f5f7fa;
    color: #1f2937;
    line-height: 1.6;
}

/* Layout */
header, main, footer {
    max-width: 900px;
    margin: auto;
    padding: 24px;
}

/* Header */
header {
    background: linear-gradient(135deg, #111827, #1f2937);
    color: #ffffff;
    text-align: center;
    border-radius: 0 0 16px 16px;
}

header h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

header p {
    margin-top: 6px;
    font-size: 16px;
    color: #9ca3af;
}

/* Sections */
section {
    background: #ffffff;
    margin-bottom: 24px;
    padding: 22px;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

/* Titles */
h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 6px;
}

article h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

/* Text */
p {
    font-size: 15px;
    color: #374151;
}

/* Lists */
ul {
    padding-left: 20px;
    margin-top: 10px;
}

li {
    margin-bottom: 6px;
}

/* Links */
a {
    display: inline-block;
    margin-top: 6px;
    color: #2563eb;
    font-weight: 500;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Projects */
article {
    padding: 14px 0;
    border-bottom: 1px solid #e5e7eb;
}

article:last-child {
    border-bottom: none;
}

/* Footer */
footer {
    text-align: center;
    font-size: 14px;
    color: #6b7280;
}