/* Studio Lapillo Portfolio Styles - Exact Recreation */

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #333;
}

/* Header Styles */
header {
    background-color: #ffffff;
    padding-top: 3vw;
    padding-bottom: 3vw;
    position: relative;
    z-index: 1000;
}

header .header-container {
    padding-left: 5vw;
    padding-right: 5vw;
}

/* Portfolio Grid Container */
.portfolio-grid-wrapper {
    margin: 0 auto;
    padding: 5vw;
}

.collection-content-wrapper {
    width: 100%;
}

/* Grid Layout - Exactly like Studio Lapillo */
#gridThumbs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3vw;
    width: 100%;
}

/* Grid Item Styles */
.grid-item {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, opacity 0.3s ease;
    position: relative;
}

.grid-item:hover {
    transform: translateY(-5px);
}

/* Grid Image Container */
.grid-image {
    position: relative;
    width: 100%;
    margin-bottom: .5rem;
    overflow: hidden;
    border-radius: 0;
}

.grid-image-inner-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 aspect ratio like original */
    overflow: hidden;
}

/* Portfolio Images */
.portfolio-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.grid-item:hover .portfolio-image {
    transform: scale(1.02);
}

/* Portfolio Text */
.portfolio-text {
    padding: 0;
    text-align: left;
}

.portfolio-title {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
    color: #333;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* Mobile Responsive - Single Column (768px and below) */
@media screen and (max-width: 768px) {
    /* Portfolio Grid */
    .portfolio-grid-wrapper {
        padding: 6vw 4vw;
    }
    
    #gridThumbs {
        grid-template-columns: 1fr !important;
        gap: 6vw;
    }
    
    .grid-image-inner-wrapper {
        padding-bottom: 66.67%; /* Slightly different ratio on mobile */
    }
    
    .portfolio-title {
        font-size: 14px;
    }
    
    /* Hide desktop navigation on mobile */
    .desktop-nav {
        display: none !important;
    }
    
    /* Show mobile elements */
    .mobile-hamburger {
        display: flex !important;
    }
    
    .mobile-logo {
        display: flex !important;
    }
    
    .mobile-spacer {
        display: block !important;
        width: 48px;
    }
    
    /* Hide desktop logo and Instagram */
    .logo-desktop {
        display: none !important;
    }
    
    .desktop-instagram {
        display: none !important;
    }
}

/* Tablet Responsive (769px - 1024px) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    /* Portfolio Grid */
    .portfolio-grid-wrapper {
        padding: 4vw 5vw;
    }
    
    #gridThumbs {
        grid-template-columns: 1fr;
        gap: 2.5vw;
    }
    
    /* Header */
    header {
        padding-top: 3vw;
        padding-bottom: 1vw;
    }
    
    .header-container {
        padding-left: 5vw;
        padding-right: 5vw;
    }
    
    /* Hide mobile elements on tablet */
    .mobile-hamburger,
    .mobile-logo,
    .mobile-spacer {
        display: none !important;
    }
    
    /* Show desktop elements on tablet */
    .desktop-nav,
    .logo-desktop,
    .desktop-instagram {
        display: flex !important;
    }
}

/* Desktop Responsive (1025px and above) */
@media screen and (min-width: 1025px) {
    /* Portfolio Grid */
    .portfolio-grid-wrapper {
        padding: 5vw;
    }
    
    #gridThumbs {
        grid-template-columns: repeat(2, 1fr);
        gap: 3vw;
    }
    
    /* Header */
    header {
        padding-top: 3vw;
        padding-bottom: 1vw;
    }
    
    .header-container {
        padding-left: 5vw;
        padding-right: 5vw;
    }
    
    /* Hide mobile elements on desktop */
    .mobile-hamburger,
    .mobile-logo,
    .mobile-spacer {
        display: none !important;
    }
    
    /* Show desktop elements on desktop */
    .desktop-nav,
    .logo-desktop,
    .desktop-instagram {
        display: flex !important;
    }
}

/* Mobile Logo Styles */
.logo-mobile {
    max-height: 60px;
    width: auto;
}

.logo-desktop {
    height: 6rem;
    width: auto;
}

/* Hamburger Button Styles */
.hamburger-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: #333;
    transition: color 0.2s ease;
    z-index: 1001;
    position: relative;
}

.hamburger-button:hover {
    color: #666;
}

.hamburger-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

/* Mobile Menu Overlay - Slide up from bottom, below header only */
.mobile-menu-overlay {
    position: fixed;
    top: var(--header-height, 80px); /* Start below header */
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--header-height, 80px)); /* Height minus header */
    background-color: transparent;
    z-index: 9999;
    display: none;
    pointer-events: none;
}

.mobile-menu-overlay.show {
    display: block !important;
    pointer-events: auto;
}

.mobile-menu-overlay.show::before {
    content: '';
    position: absolute;
    top: 0; /* Start from overlay top */
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
}

.mobile-menu-overlay.show::before {
    transform: translateY(0);
}

.mobile-menu-content {
    position: absolute;
    top: 0; /* Start from overlay top */
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white !important;
    padding: 0;
    transform: translateY(100%);
    transition: transform 0.3s ease-out 0.1s;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100%;
}

.mobile-menu-overlay.show .mobile-menu-content {
    transform: translateY(0) !important;
}

/* Hamburger Button - Clean Design */
.hamburger-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 1001;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.hamburger-button:hover {
    cursor: pointer;
    background: rgba(0, 0, 0, 0.05);
}

.hamburger-button:active {
    background: rgba(0, 0, 0, 0.1);
}

.hamburger-icon {
    width: 24px;
    height: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: #333;
    transition: all 0.3s ease-out;
    transform-origin: center;
}

/* Hamburger to X transformation */
.hamburger-button.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-button.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-button.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    gap: var(--menu-gap, 3rem); /* Dynamic gap based on viewport */
    padding: 2rem;
    box-sizing: border-box;
    position: relative;
    flex: 1;
}

.mobile-nav-link {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--menu-font-size, 1.8rem); /* Dynamic font size */
    font-weight: 400;
    color: #333 !important;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    padding: 0; /* Fixed padding - no dynamic padding */
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative;
    transform: translateY(0);
}

.mobile-nav-link:hover {
    color: #666 !important;
    transform: translateY(-2px);
}

/* Removed duplicate hover rule */

.mobile-instagram-wrapper {
    margin-top: var(--menu-gap, 1rem); /* Contact 바로 아래에 위치 */
    padding-top: 0;
    width: 100%;
    text-align: center;
    position: relative; /* absolute에서 relative로 변경 */
    left: 0;
    right: 0;
    padding-left: 2rem;
    padding-right: 2rem;
    box-sizing: border-box;
}

.mobile-instagram {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.mobile-instagram:hover {
    color: #333;
}

.mobile-instagram svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Header responsive adjustments for mobile (768px and below) - Consolidated */
@media screen and (max-width: 768px) {
    header {
        padding-top: 6vw;
        padding-bottom: 6vw;
    }
    
    .header-container {
        padding-left: 5vw;
        padding-right: 5vw;
    }
    
    /* 모바일 헤더 절대 중앙 정렬 */
    header .flex {
        position: relative;
        display: flex !important;
        align-items: center;
        height: 80px;
    }
    
    .mobile-hamburger {
        position: absolute;
        left: 0;
        z-index: 10;
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-logo {
        position: absolute;
        left: 50% !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        z-index: 5;
        width: auto !important;
        flex: none !important;
    }
    
    .mobile-spacer {
        position: absolute;
        right: 0;
        width: 48px;
        height: 48px;
    }
    
    /* 모바일 로고 이미지 크기 */
    .mobile-logo img {
        max-height: 70px !important;
        width: auto !important;
    }
    
    /* 데스크톱 요소들 숨김 */
    .logo-desktop {
        display: none !important;
    }
    
    /* 포트폴리오 그리드 모바일 조정 - Studio Lapillo 원본과 동일 */
    .portfolio-grid-wrapper {
        padding: 6vw 5vw;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .grid-item {
        width: 100%;
    }
    
    .portfolio-image {
        width: 100%;
        height: auto;
    }
    
    /* 모바일 메뉴 오버레이 조정 */
    .mobile-menu-overlay {
        top: var(--header-height, 80px);
        height: calc(100vh - var(--header-height, 80px));
    }
}

/* Removed duplicate breakpoints - consolidated above */

/* Project Navigation Styles */
.project-navigation {
    background-color: #fafafa;
}

.project-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5vw;
}

.project-nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.project-nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    min-width: 280px;
}

.project-nav-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.project-nav-prev {
    justify-content: flex-start;
}

.project-nav-next {
    justify-content: flex-end;
}

.nav-arrow {
    color: #666;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.project-nav-item:hover .nav-arrow {
    color: #333;
}

.nav-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-label {
    font-size: 0.875rem;
    color: #666;
    font-weight: 400;
}

.nav-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
}

/* When only one navigation item is visible */
.project-nav-wrapper:has(.project-nav-prev[style*="display: none"]) {
    justify-content: center;
}

.project-nav-wrapper:has(.project-nav-next[style*="display: none"]) {
    justify-content: center;
}

/* Mobile Project Navigation */
@media screen and (max-width: 768px) {
    .project-nav-wrapper {
        flex-direction: column;
        gap: 1rem;
    }
    
    .project-nav-item {
        width: 100%;
        min-width: unset;
        padding: 1.25rem 1.5rem;
    }
    
    .nav-title {
        font-size: 1rem;
    }
    
    .nav-label {
        font-size: 0.8rem;
    }
    
    /* Mobile: center single navigation item */
    .project-nav-wrapper:has(.project-nav-prev[style*="display: none"]) {
        justify-content: center;
        align-items: center;
    }
}

/* Smooth loading and interaction effects */
.grid-item {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.grid-item:nth-child(1) { animation-delay: 0.1s; }
.grid-item:nth-child(2) { animation-delay: 0.2s; }
.grid-item:nth-child(3) { animation-delay: 0.3s; }
.grid-item:nth-child(4) { animation-delay: 0.4s; }
.grid-item:nth-child(5) { animation-delay: 0.5s; }
.grid-item:nth-child(6) { animation-delay: 0.6s; }
.grid-item:nth-child(7) { animation-delay: 0.7s; }
.grid-item:nth-child(8) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus states for accessibility */
.grid-item:focus {
    outline: 2px solid #333;
    outline-offset: 2px;
}

/* Loading placeholder for images */
.portfolio-image {
    background-color: #f5f5f5;
}

.portfolio-image:not([src]) {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Instagram icon hover effect */
header svg {
    transition: transform 0.2s ease;
}

header a:hover svg {
    transform: scale(1.1);
}

/* Typography improvements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    line-height: 1.3;
}

/* Ensure proper spacing and layout */
main {
    min-height: 70vh;
}

/* Footer Styles */
footer {
    margin-top: 0vw;
    background-color: #ffffff;
}

.footer-container {
    padding-left: 5vw;
    padding-right: 5vw;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4vw;
    align-items: start;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-text {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

/* Footer responsive */
@media screen and (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-text {
        font-size: 14px;
    }
}

/* Project Detail Styles */
.project-detail-wrapper {
    margin: 0 auto;
    padding: 5vw;
    max-width: 1400px;
}

.project-title-section {
    margin-bottom: 3vw;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.project-text-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5vw;
    margin-bottom: 8vw;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.project-text-left {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-title {
    font-family: 'Noto Sans KR', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1.6rem;
    font-weight: 400;
    color: #333;
    margin: 0;
    line-height: 1.2;
}

.project-description {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-description p {
    font-family: 'Noto Sans KR', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #333;
    margin: 0;
}

.project-text-right {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.project-meta {
    font-family: 'Noto Sans KR', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

.project-link {
    color: #333;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1px;
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.project-link:hover {
    color: #666;
    text-decoration-color: #666;
}

.project-images-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-image {
    width: 100%;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Project Detail Responsive */
@media screen and (max-width: 768px) {
    .project-detail-wrapper {
        padding: 8vw 5vw;
    }
    
    .project-title-section {
        margin-bottom: 6vw;
    }
    
    .project-text-section {
        grid-template-columns: 1fr;
        gap: 3rem;
        margin-bottom: 5vw;
    }
    
    .project-title {
        font-size: 2rem;
    }
    
    .project-description p {
        font-size: 0.9rem;
    }
    
    .project-meta {
        font-size: 0.9rem;
    }
    
    .project-link {
        font-size: 0.9rem;
        text-underline-offset: 1px;
    }
    
    .project-images-section {
        gap: 1.5rem;
    }
}

@media screen and (min-width: 1200px) {
    .project-detail-wrapper {
        padding: 5vw;
    }
}

@media screen and (min-width: 1400px) {
    .project-detail-wrapper {
        padding: 5rem 0;
        max-width: 1500px;
    }
    
    .project-title-section {
        padding: 0 5rem;
        margin-bottom: 4rem;
        max-width: 1500px;
    }
    
    .project-text-section {
        padding: 0 5rem;
        margin-bottom: 8rem;
        max-width: 1500px;
    }
    
    .project-images-section {
        padding: 0 5rem;
        max-width: 1500px;
    }
}

/* Category Tabs Styles */
.category-tabs-container {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
}

.category-tab {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0.25rem;
    background-color: #f8f9fa;
    color: #6b7280;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    border: 1px solid #e5e7eb;
    cursor: pointer;
}

.category-tab:hover {
    background-color: #e5e7eb;
    color: #374151;
    transform: translateY(-1px);
}

.category-tab.active {
    background-color: #1f2937;
    color: #ffffff;
    border-color: #1f2937;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.category-tab.active:hover {
    background-color: #111827;
    transform: none;
}

/* Mobile responsive tabs */
@media screen and (max-width: 768px) {
    .category-tabs-container {
        padding: 0.5rem 0;
    }
    
    .category-tab {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        margin: 0.125rem;
    }
    
    #category-tabs {
        gap: 0.25rem;
    }
}