/*
Theme Name: FeelScrap
Theme URI: http://feelscrap.com/
Author: Antigravity AI
Description: Susan Stripling inspired minimal photography theme for FEELSCRAP.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: feelscrap
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Noto+Serif+KR:wght@200;300;400&family=Pretendard:wght@200;300;400&display=swap');

:root {
  /* Colors */
  --color-bg: #F4F1EB;
  --color-text: #1A1A1A;
  --color-subtext: #7D7466;
  --color-dark: #111111;
  --color-line: #D8D2C8;
  --color-white: #FFFFFF;

  /* Typography */
  --font-en: 'Cormorant Garamond', serif;
  --font-kr: 'Pretendard', sans-serif;
  --font-kr-serif: 'Noto Serif KR', serif;

  /* Transitions */
  --transition-smooth: 1s ease;
  --transition-fast: 0.3s ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-kr);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-en);
  font-weight: 300;
  letter-spacing: 0.05em;
}

p {
  font-weight: 200;
  font-size: 0.95rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utilities */
.container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
}

.text-en { font-family: var(--font-en); }
.text-kr { font-family: var(--font-kr); }
.text-kr-serif { font-family: var(--font-kr-serif); }

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 2rem 0;
  transition: background-color var(--transition-fast), padding var(--transition-fast);
}

header.scrolled {
  background-color: rgba(244, 241, 235, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(216, 210, 200, 0.5);
}

/* WordPress Admin Bar Compatibility */
body.admin-bar header {
  top: 32px;
}

body.admin-bar .mobile-menu {
  padding-top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar header {
    top: 46px;
  }
  body.admin-bar .mobile-menu {
    padding-top: 46px;
  }
}

.nav-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.nav-left {
  display: flex;
  justify-content: flex-start;
}

.nav-right {
  display: flex;
  justify-content: flex-end;
}

.nav-left .nav-links {
  justify-content: flex-start;
}

.nav-right .nav-links {
  justify-content: flex-end;
  align-items: center;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  padding: 0 2rem;
}

/* Contact solid button styling */
.nav-links li.contact-btn a {
  background-color: #A68A56;
  color: var(--color-white) !important;
  padding: 0.6rem 1.5rem !important;
  transition: background-color var(--transition-fast);
}

.nav-links li.contact-btn a:hover {
  background-color: #8E7445;
}

.nav-links li.contact-btn a::after {
  display: none !important;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-subtext);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 101;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 1px;
  width: 100%;
  background: var(--color-text);
  transition: var(--transition-fast);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }

.hamburger.active span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-dark);
  color: var(--color-bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  list-style: none;
  text-align: center;
}

.mobile-menu li {
  margin: 2rem 0;
}

.mobile-menu a {
  font-family: var(--font-en);
  font-size: 2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mobile-menu .hamburger.active span {
  background: var(--color-bg);
}

/* Page Transition Overlay */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.8s ease;
}

.page-transition.loaded {
  opacity: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding-bottom: 5px;
}

.btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-line);
  transition: width var(--transition-fast), background-color var(--transition-fast);
}

.btn span {
  margin-left: 10px;
  transition: transform var(--transition-fast);
}

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

.btn:hover span {
  transform: translateX(5px);
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  transform: scale(1);
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 50%);
  z-index: -1;
}

.hero-content {
  color: var(--color-white);
  max-width: 600px;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-subtitle {
  font-family: var(--font-kr-serif);
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 3rem;
  letter-spacing: 0.05em;
}

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

.hero .btn::after {
  background-color: rgba(255,255,255,0.5);
}

.hero .btn:hover::after {
  background-color: var(--color-white);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 5%;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-indicator::before {
  content: '';
  width: 1px;
  height: 40px;
  background-color: var(--color-white);
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Featured Section */
.featured {
  padding: 10rem 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.featured-text h2 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.featured-text p {
  color: var(--color-subtext);
  margin-bottom: 3rem;
  font-size: 1rem;
}

.featured-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.featured-image:hover img {
  transform: scale(1.03);
}

/* Portfolio Section */
.portfolio-sec {
  padding: 5rem 0 10rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 1.5rem;
  letter-spacing: 0.2em;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* 5개 카테고리 구성 시 반응형 고려 */
@media (min-width: 1025px) {
  .portfolio-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.portfolio-item {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 17, 17, 0);
  transition: background var(--transition-fast);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.portfolio-info {
  color: var(--color-white);
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portfolio-info h3 {
  font-size: 1.2rem;
  margin: 0;
}

.portfolio-item:hover img {
  transform: scale(1.03);
}

.portfolio-item:hover .portfolio-overlay {
  background: rgba(17, 17, 17, 0.4);
}

.portfolio-item:hover .portfolio-info {
  transform: translateY(0);
  opacity: 1;
}

/* Philosophy Section */
.philosophy {
  background-color: #EBE8E0;
  padding: 10rem 0;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.philosophy-text h2 {
  font-family: var(--font-kr-serif);
  font-size: 2.5rem;
  line-height: 1.4;
  margin-bottom: 3rem;
  color: var(--color-text);
}

.philosophy-text p {
  color: var(--color-subtext);
  margin-bottom: 3rem;
  line-height: 1.8;
}

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

.philosophy-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.philosophy-image:hover img {
  transform: scale(1.03);
}

/* Contact Section (Footer) */
.contact-sec {
  position: relative;
  padding: 10rem 0;
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.contact-sec::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 17, 17, 0.7);
  z-index: -1;
}

.contact-sec h2 {
  font-family: var(--font-kr-serif);
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.contact-sec p {
  opacity: 0.8;
  margin-bottom: 4rem;
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 4rem;
}

.contact-methods a {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

.contact-methods a:hover {
  opacity: 1;
}

.contact-sec .btn {
  color: var(--color-white);
}

.contact-sec .btn::after {
  background-color: rgba(255,255,255,0.3);
}

.contact-sec .btn:hover::after {
  background-color: var(--color-white);
}

footer {
  text-align: center;
  padding: 2rem 0;
  background-color: var(--color-dark);
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}

/* Media Queries */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-left, .nav-right {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  .featured-grid, .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .featured, .portfolio-sec, .philosophy, .contact-sec {
    padding: 5rem 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .contact-methods {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .header.mobile-open .logo {
    color: var(--color-bg);
    z-index: 101;
    position: relative;
  }
}

/* Subpage Common Styles */
.page-header {
  padding: 12rem 0 4rem 0;
  text-align: center;
}

.page-title {
  font-size: 2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.page-subtitle {
  color: var(--color-subtext);
  font-family: var(--font-kr-serif);
}

/* Journal (Blog) List Styles */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 6rem;
}

.journal-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.journal-img-container {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  margin-bottom: 2rem;
}

.journal-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.5s ease;
}

.journal-card:hover .journal-img-container img {
  transform: scale(1.03);
}

.journal-date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-subtext);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.journal-title {
  font-family: var(--font-kr-serif);
  font-size: 1.8rem;
  line-height: 1.4;
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.journal-excerpt {
  font-family: var(--font-kr);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-subtext);
  margin-bottom: 2rem;
}

.journal-readmore {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.journal-readmore span {
  transition: transform 0.3s ease;
}

.journal-card:hover .journal-readmore span {
  transform: translateX(5px);
}

@media (max-width: 768px) {
  .journal-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .journal-title {
    font-size: 1.5rem;
  }
}

/* Journal Detail (Essay) Styles */
/* Force header space on single posts */
.single-journal main,
.single main {
  padding-top: 10rem !important;
  display: block !important;
  clear: both !important;
}

.journal-header {
  position: relative !important;
  clear: both !important;
  display: block !important;
  width: 100% !important;
  text-align: center !important;
  max-width: 800px !important;
  margin: 0 auto 4rem auto !important;
  padding: 0 2rem !important;
  z-index: 10 !important;
}

.journal-detail-date {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--color-subtext);
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.journal-detail-title {
  font-family: var(--font-kr-serif);
  font-size: 2.8rem;
  line-height: 1.3;
  margin-bottom: 3rem;
}

/* The main content area */
.journal-content {
  position: relative !important;
  clear: both !important;
  display: block !important;
  width: 100% !important;
  margin-top: 3rem !important;
  margin-bottom: 10rem !important;
  z-index: 5 !important;
}

/* Text blocks are constrained for readability */
.journal-content p {
  max-width: 700px;
  margin: 0 auto 2.5rem auto;
  font-family: var(--font-kr-serif);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text);
  padding: 0 2rem;
}

/* Images break out of the constrained text width to span wider */
.journal-content img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  margin: 4rem auto;
  display: block;
}

.journal-footer {
  max-width: 700px;
  margin: 0 auto 10rem auto;
  padding: 3rem 2rem 0 2rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.journal-footer a {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  transition: color 0.3s ease;
}

.journal-footer a:hover {
  color: var(--color-subtext);
}

@media (max-width: 768px) {
  .journal-header { margin: 8rem auto 3rem auto; }
  .journal-detail-title { font-size: 2rem; }
  .journal-content p { font-size: 1rem; line-height: 1.8; margin-bottom: 2rem; }
  .journal-content img { margin: 3rem auto; }
}

/* Split Screen Layout for Portfolio Detail */
.detail-split-container {
  display: flex;
  height: 100vh;
  width: 100%;
  overflow: hidden; /* Prevent body scroll */
  background-color: var(--color-white);
}

/* Left Side: Main Image */
.detail-main-area {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: #fafafa;
}

/* Navigation overlay on top of main area */
.detail-nav-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
  pointer-events: none;
}

.detail-nav-overlay > * {
  pointer-events: auto;
}

.detail-back-btn a {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
}

.detail-counter {
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--color-subtext);
}

.detail-main-img-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6rem 3rem 3rem 3rem;
}

.detail-main-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: zoom-in; /* Indicate click to zoom */
  transition: opacity 0.5s ease, transform 0.5s ease, filter 0.3s ease;
}

.detail-main-img.fade {
  opacity: 0;
  transform: scale(1.02);
}

/* Floating Prev/Next Buttons */
.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--color-text);
  cursor: pointer;
  opacity: 0.3;
  transition: opacity 0.3s ease;
  padding: 2rem;
  user-select: none;
  z-index: 5;
}
.nav-arrow:hover { opacity: 1; }
.nav-prev { left: 1rem; }
.nav-next { right: 1rem; }

/* Right Side: Thumbnails & Info */
.detail-side-panel {
  width: 400px;
  height: 100%;
  overflow-y: auto;
  padding: 6rem 3rem;
  border-left: 1px solid var(--color-line);
  background-color: var(--color-white);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.detail-side-panel::-webkit-scrollbar {
  display: none;
}

.detail-text-header {
  margin-bottom: 3rem;
}

.detail-text-header h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  font-family: var(--font-kr-serif);
  color: var(--color-text);
}

.detail-text-header p {
  color: var(--color-subtext);
  font-family: var(--font-kr);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* 2열 바둑판 형태의 썸네일 그리드 (기획서 엄격 준수) */
.detail-thumbnails-vertical {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.detail-thumbnails-vertical img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  cursor: pointer;
  filter: brightness(0.7); /* 선택되지 않은 썸네일 밝기 70% */
  border: 2px solid transparent;
  transition: opacity 0.3s ease, transform 0.3s ease, filter 0.3s ease;
}

.detail-thumbnails-vertical img:hover {
  transform: scale(1.03);
}

/* 활성화된 썸네일 테두리 표시 및 밝기 100% */
.detail-thumbnails-vertical img.active {
  filter: brightness(1);
  border-color: var(--color-text);
  opacity: 1;
}

/* ----------------------------------------------------
   Fullscreen Gallery Viewer (Apple/Leica Style Lightbox)
   ---------------------------------------------------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000; /* 검정 배경 */
  z-index: 1000;
  display: none; /* Initially hidden */
  opacity: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 3rem;
  font-size: 2.5rem;
  color: #ffffff;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s ease;
  z-index: 1010;
  user-select: none;
}
.lightbox-close:hover { opacity: 1; }

.lightbox-img-container {
  width: 100%;
  height: 75%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 4rem;
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain; /* 잘리지 않게 표시 */
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.lightbox-img.fade {
  opacity: 0;
  transform: scale(0.98);
}

/* 마우스 이동 시에만 나타나는 좌우 화살표 */
.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: #ffffff;
  cursor: pointer;
  opacity: 0; /* Hidden by default */
  transition: opacity 0.3s ease;
  padding: 3rem;
  user-select: none;
  z-index: 1005;
}
.lightbox-arrow.visible {
  opacity: 0.5;
}
.lightbox-arrow.visible:hover {
  opacity: 1;
}
.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

/* 하단 정보 바 및 썸네일 스트립 */
.lightbox-footer {
  position: absolute;
  bottom: 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  z-index: 1005;
}

.lightbox-counter {
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: #8c8c8c;
  letter-spacing: 0.1em;
}

.lightbox-thumbnails {
  display: flex;
  gap: 0.8rem;
  max-width: 80%;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.lightbox-thumbnails::-webkit-scrollbar {
  display: none;
}

.lightbox-thumbnails img {
  height: 50px;
  width: 50px;
  object-fit: cover;
  cursor: pointer;
  opacity: 0.4;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}
.lightbox-thumbnails img.active {
  opacity: 1;
  border-color: #ffffff;
  transform: scale(1.05);
}

@media (max-width: 1024px) {
  .detail-side-panel {
    width: 300px;
    padding: 4rem 2rem;
  }
}

@media (max-width: 768px) {
  .detail-split-container {
    flex-direction: column;
    overflow: auto;
    height: auto;
  }
  
  .detail-main-area {
    height: 60vh;
    flex: none;
  }

  .detail-nav-overlay {
    padding: 1.5rem;
  }
  
  .detail-main-img-container {
    padding: 4rem 1.5rem 1.5rem 1.5rem;
  }

  .detail-side-panel {
    width: 100%;
    height: auto;
    border-left: none;
    overflow-y: visible;
    padding: 3rem 1.5rem;
  }

  /* 모바일에서는 가로 스크롤로 변경 */
  .detail-thumbnails-vertical {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 0.8rem;
    -ms-overflow-style: none;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
  }
  .detail-thumbnails-vertical::-webkit-scrollbar {
    display: none;
  }
  .detail-thumbnails-vertical img {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
  }

  .nav-arrow { padding: 1rem; }
  .lightbox-img-container { padding: 0 1.5rem; }
  .lightbox-arrow { display: none; } /* Hide arrow buttons on mobile, swipe is main */
}

/* Hide header and footer on single portfolio post page */
.single-portfolio header,
.single-portfolio footer {
  display: none;
}

/* Journal Featured Split Banner Styles */
.journal-featured {
  width: 100%;
  margin-bottom: 6rem;
  padding-top: 10rem; /* Give space under fixed GNB */
}

.featured-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background-color: #3A2E2B; /* Deep espresso chocolate */
  color: var(--color-white);
  min-height: 500px;
}

.featured-split-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.featured-split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.5s ease;
}

.featured-split-grid:hover .featured-split-img img {
  transform: scale(1.03);
}

.featured-split-text-box {
  display: flex;
  align-items: center;
  padding: 4rem 5rem;
}

.featured-split-content {
  width: 100%;
  max-width: 500px;
}

.featured-split-title {
  font-family: var(--font-kr-serif);
  font-size: 2.2rem;
  line-height: 1.35;
  margin: 1.5rem 0;
  font-weight: 300;
}

.featured-split-excerpt {
  opacity: 0.8;
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-family: var(--font-kr);
  font-weight: 200;
}

/* Divider Line under titles */
.journal-divider {
  height: 1px;
  background-color: var(--color-line);
  margin-bottom: 1.5rem;
  border: none;
}

.featured-split-content .journal-divider {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Responsiveness for Journal Page */
@media (max-width: 1024px) {
  .journal-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 6rem;
  }
}

@media (max-width: 900px) {
  .featured-split-grid {
    grid-template-columns: 1fr;
  }
  .featured-split-text-box {
    padding: 3rem 2rem;
  }
}

@media (max-width: 768px) {
  .journal-grid {
    grid-template-columns: 1fr;
  }
  .journal-featured {
    padding-top: 8rem;
  }
}