:root {
    /* Color */
    --primary: #D60000;
    --primary-dark: #B80000;
    --white: #FFFFFF;
    --black: #000000;
    --text: #222222;
    --text-light: #666666;
    --gray-50: #FAFAFA;
    --gray-100: #F7F7F7;
    --gray-200: #ECECEC;
    --gray-300: #DDDDDD;
    --gray-400: #CCCCCC;

    /* Border & Shadow */
    --border-color: var(--gray-200);
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);

    /* Radius & Transition */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;

    /* Layout */
    --container-width: 1280px;
    --header-height: 72px;
}

/* ===================================================================
   RESET
=================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--gray-100);
    overflow-x: hidden;
}