:root {
    --bg: #ffffff;
    --bg-soft: #f7f7f7;
    --text: #111111;
    --text-muted: #6b7280;
    --text-soft: #9ca3af;
    --border: #e5e7eb;
    --shadow: 0 1px 8px rgba(0,0,0,0.05);
    --shadow-hover: 0 6px 28px rgba(0,0,0,0.10);
    --radius-lg: 16px;
    --radius: 10px;
    --radius-sm: 6px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

a {
    transition: all 0.2s ease;
}

section {
    padding: 96px 24px;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
}

.section-heading {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.03em;
    margin-bottom: 56px;
    position: relative;
    display: inline-block;
}

.section-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -12px;
    width: 36px;
    height: 3px;
    border-radius: 999px;
    background: var(--text);
}