/* Common CSS - 공통 스타일 및 변수 */

:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-light: #f5f5f5;
    --color-gray: #888888;
    --color-gray-dark: #333333;
    --color-primary: #2d5a3d;
    --color-primary-light: #4a7c59;
    --color-primary-dark: #1e3d2a;

    /* Typography */
    --font-main: 'GowoonDodum', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;

    /* Transition */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 0.875rem;
    letter-spacing: 2px;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.section-heading {
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    transition: var(--transition-normal);
}

.btn-outline {
    border: 1px solid var(--color-black);
    color: var(--color-black);
    background: transparent;
}

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

/* Utility */
.text-center {
    text-align: center;
}

.text-gray {
    color: var(--color-gray);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
    }

    .section-heading {
        font-size: 1.5rem;
    }
}