/* Component Styles */

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-background);
    z-index: var(--z-header);
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: var(--font-english);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wider);
    color: var(--color-primary);
    text-transform: uppercase;
}

.logo img {
    height: 32px;
    width: auto;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-english);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-primary);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 28px;
    height: 28px;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    .header {
        height: var(--header-height-mobile);
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        width: 100%;
        height: calc(100vh - var(--header-height-mobile));
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-8);
        background-color: var(--color-background);
        display: none;
        z-index: 999;
    }

    .nav.open {
        display: flex;
    }

    .nav-link {
        font-size: var(--text-xl);
    }
}

/* ========================================
   PROJECT CARD
   ======================================== */
.project-card {
    position: relative;
    display: block;
    overflow: hidden;
    background-color: var(--color-surface);
    cursor: pointer;
}

.project-card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-image img {
    transform: scale(1.05);
}

.project-card-content {
    padding: var(--space-5) var(--space-4);
}

.project-card-category {
    font-family: var(--font-english);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}

.project-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    line-height: var(--leading-tight);
}

.project-card-meta {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ========================================
   CATEGORY TABS
   ======================================== */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    justify-content: center;
}

.category-tab {
    font-family: var(--font-english);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: var(--space-2) var(--space-4);
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* 이미지가 있는 카테고리 탭 스타일 */
.category-tab.has-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    width: 100px;
    overflow: visible;
}

.category-tab-image {
    width: 64px;
    height: 64px;
    max-width: 64px;
    max-height: 64px;
    min-width: 64px;
    min-height: 64px;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
    display: block;
}

.category-tab img {
    width: 64px;
    height: 64px;
    max-width: 64px;
    max-height: 64px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.category-tab.has-image:hover .category-tab-image {
    transform: scale(1.1);
}

.category-tab-text {
    font-size: var(--text-xs);
    white-space: normal;
    text-align: center;
    word-break: keep-all;
    line-height: 1.2;
}

.category-tab:hover,
.category-tab.active {
    color: var(--color-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.category-tab.has-image.active,
.category-tab.has-image:hover {
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .category-tabs {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        overflow-x: visible;
        padding-bottom: 0;
    }

    .category-tab {
        flex-shrink: 0;
        font-size: 11px;
        padding: var(--space-2);
    }

    .category-tab.has-image {
        width: 100%;
        min-width: unset;
        padding: 8px 4px;
        overflow: visible;
    }

    .category-tab-image,
    .category-tab img {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        min-height: 36px !important;
        max-width: 36px !important;
        max-height: 36px !important;
    }

    .category-tab-text {
        font-size: 11px;
        letter-spacing: 0;
        line-height: 1.3;
        overflow: visible;
        text-overflow: clip;
        word-break: keep-all;
    }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-english);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

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

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

.btn-accent {
    color: var(--color-white);
    background-color: var(--color-accent);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* ========================================
   FORM ELEMENTS
   ======================================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-title {
    font-family: var(--font-english);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.footer-content {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.7);
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.3) 0%,
            rgba(0, 0, 0, 0.5) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--color-white);
    padding: 0 var(--space-6);
    max-width: 800px;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-lg);
    font-weight: var(--font-light);
    line-height: var(--leading-relaxed);
    opacity: 0.9;
    margin-bottom: var(--space-8);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (max-width: 768px) {
    .hero {
        height: calc(100vh - var(--header-height-mobile));
        min-height: 500px;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-subtitle {
        font-size: var(--text-sm);
        line-height: 1.8;
        word-break: keep-all;
        padding: 0 var(--space-2);
    }

    .hero-content {
        padding: 0 var(--space-4);
    }
}

/* ========================================
   PAGE HEADER
   ======================================== */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-16));
    padding-bottom: var(--space-12);
    text-align: center;
}

.page-title {
    font-family: var(--font-english);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.page-description {
    font-size: var(--text-lg);
    color: var(--color-secondary);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .page-header {
        padding-top: calc(var(--header-height-mobile) + var(--space-12));
        padding-bottom: var(--space-8);
    }

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

/* ========================================
   PROJECT DETAIL
   ======================================== */
.project-detail-header {
    padding-top: calc(var(--header-height) + var(--space-12));
    padding-bottom: var(--space-8);
}

.project-detail-category {
    font-family: var(--font-english);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.project-detail-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-6);
}

.project-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
}

.project-detail-meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.project-detail-meta-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.project-detail-meta-value {
    font-size: var(--text-base);
    color: var(--color-primary);
}

.project-gallery {
    margin: var(--space-12) 0;
}

.project-gallery-item {
    margin-bottom: var(--space-6);
}

.project-gallery-item img {
    width: 100%;
    height: auto;
}

.project-description {
    max-width: 800px;
    margin: var(--space-12) auto;
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-secondary);
}

.project-nav {
    display: flex;
    justify-content: space-between;
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-12);
}

.project-nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.project-nav-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.project-nav-title {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.project-nav-link:hover .project-nav-title {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .project-detail-header {
        padding-top: calc(var(--header-height-mobile) + var(--space-8));
    }

    .project-detail-title {
        font-size: var(--text-2xl);
    }

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

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.contact-info-item {
    margin-bottom: var(--space-8);
}

.contact-info-label {
    font-family: var(--font-english);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}

.contact-info-value {
    font-size: var(--text-lg);
    color: var(--color-primary);
}

.contact-info-value a {
    transition: color var(--transition-fast);
}

.contact-info-value a:hover {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}