/* Global Styles */

/* Fonts */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

html,
body {
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: var(--leading-normal);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

@media (min-width: 1024px) {
    .container {
        padding-left: var(--container-padding-lg);
        padding-right: var(--container-padding-lg);
    }
}

/* Typography */
.heading-1 {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

.heading-2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
}

.heading-3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
}

.heading-4 {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
}

.text-large {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

.text-small {
    font-size: var(--text-sm);
    color: var(--color-secondary);
}

.text-caption {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.text-english {
    font-family: var(--font-english);
    letter-spacing: var(--tracking-wider);
}

.text-center {
    text-align: center;
}

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

/* Section Spacing */
.section {
    padding: var(--space-16) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-12) 0;
    }

    .section-lg {
        padding: var(--space-16) 0;
    }

    .heading-1 {
        font-size: var(--text-3xl);
    }

    .heading-2 {
        font-size: var(--text-2xl);
    }
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--grid-gap);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    flex-direction: column;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

/* Spacing Utilities */
.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-12 {
    margin-top: var(--space-12);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

/* Image Utilities */
.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Visibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Link hover animation */
.link-underline {
    position: relative;
    display: inline-block;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width var(--transition-base);
}

.link-underline:hover::after {
    width: 100%;
}

/* Page transition */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

/* Loading state */
.loading {
    opacity: 0.5;
    pointer-events: none;
}