/* ==========================================================================
   MINSEO YU PORTFOLIO - WARM GRAPH-PAPER & DEEP BROWN EDITORIAL STYLE
   Based on user-uploaded aesthetic references
   ========================================================================== */

:root {
  /* Warm Paper & Cream Tones */
  --bg-canvas: #fbf9f4;
  --bg-card: #ffffff;
  --bg-box: #f6f1ea;
  --bg-pill: #efe8de;

  /* Deep Brown Typo & Accents */
  --brown-black: #1a0f0a;        /* Massive Titles & Active Elements */
  --brown-espresso: #2e1b12;     /* Headings, Strong Borders */
  --brown-dark: #442a1f;         /* Nav Links, Subheadings */
  --brown-body: #573a2d;         /* Body Text, Descriptions */
  --brown-muted: #856a5d;        /* Captions, Minor Tags, Footers */
  --brown-light: #b39b8e;        /* Subtle Details */

  /* Graph Paper Grids & Dividers */
  --grid-line: rgba(78, 48, 35, 0.075);
  --grid-line-strong: rgba(78, 48, 35, 0.18);
  --border-light: rgba(78, 48, 35, 0.14);
  --border-card: rgba(78, 48, 35, 0.22);
  --border-strong: #2e1b12;

  /* Shadows */
  --shadow-soft: 0 8px 24px rgba(46, 27, 18, 0.06);
  --shadow-card: 0 14px 34px rgba(46, 27, 18, 0.08);
  --shadow-hover: 0 18px 40px rgba(46, 27, 18, 0.14);

  /* Typography - Clean Proportional Sans-Serif */
  --font-title: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body.grid-paper-body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--brown-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ==========================================================================
   1. Minimal Top Header Navigation (첨부 사진 1)
   ========================================================================== */

.paper-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 244, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grid-line-strong);
  padding: 1.1rem 2rem;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.2rem;
}

.nav-link {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--brown-dark);
  letter-spacing: 0.01em;
  position: relative;
  transition: all 0.25s ease;
  padding: 0.2rem 0;
}

.nav-link:hover {
  color: var(--brown-black);
}

.nav-link.active,
.nav-link:hover {
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--brown-black);
}

/* ==========================================================================
   2. Hero Section (첨부 사진 1)
   ========================================================================== */

.hero-section {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.5rem 3.5rem 1.5rem;
}

/* Wide Key Visual Hero Banner */
.hero-main-banner {
  position: relative;
  width: 100%;
  height: clamp(300px, 44vw, 540px);
  margin-top: 1rem;
  overflow: hidden;
  border-radius: 8px;
  border: 1.5px solid var(--border-card);
  box-shadow: var(--shadow-card);
  background: #f4eee6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  cursor: pointer;
}

.hero-main-banner img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(46, 27, 18, 0.08);
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-main-banner:hover img {
  transform: scale(1.015);
}

.hero-banner-badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(30, 18, 12, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.15);
  pointer-events: none;
}

/* Massive Bold PORTFOLIO Typography */
.hero-title-wrap {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 7.2vw, 6.2rem);
  font-weight: 900;
  color: var(--brown-black);
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  width: 100%;
  overflow: visible;
  word-break: keep-all;
}

.hero-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1.5px solid var(--brown-black);
  padding-top: 1.25rem;
  gap: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(0.78rem, 1.3vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--brown-dark);
  text-transform: uppercase;
}

.hero-arrow-btn {
  color: var(--brown-black);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.hero-arrow-btn:hover {
  transform: translateX(8px);
}

/* ==========================================================================
   3. Graph Paper Container & Vertical Rail (첨부 사진 2 & 3)
   ========================================================================== */

.grid-paper-container {
  max-width: 1440px;
  margin: 0 auto 5rem auto;
  border: 1px solid var(--grid-line-strong);
  border-left: none;
  border-right: none;
  display: flex;
  min-height: 800px;

  /* Graph Paper Background Texture */
  background-color: var(--bg-canvas);
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

/* Left Vertical Rail */
.vertical-rail {
  width: 72px;
  flex-shrink: 0;
  border-right: 1.5px solid var(--grid-line-strong);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 0;
  user-select: none;
}

.rail-top, .rail-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vertical-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brown-espresso);
  text-transform: uppercase;
  white-space: nowrap;
}

.rail-logo {
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--brown-black);
}

/* Main Content Area on Graph Paper */
.paper-content-area {
  flex: 1;
  padding: 3rem 3rem 5rem 3rem;
  overflow: hidden;
}

.paper-section {
  position: relative;
  padding-bottom: 2.5rem;
}

.paper-divider {
  border: none;
  height: 1.5px;
  background: var(--grid-line-strong);
  margin: 3.5rem 0;
}

/* Section Header Meta */
.section-meta-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1.5rem;
}

.meta-tag-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.paper-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brown-espresso);
  background: var(--bg-pill);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.paper-sec-title {
  font-family: var(--font-title);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--brown-black);
  letter-spacing: -0.02em;
}

/* Slider Prev / Next Controls */
.slider-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.slide-indicator {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brown-espresso);
  margin-right: 0.5rem;
}

.paper-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  color: var(--brown-espresso);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-soft);
}

.paper-btn:hover {
  background: var(--brown-black);
  border-color: var(--brown-black);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.paper-btn:active {
  transform: translateY(0);
}

/* ==========================================================================
   4. Stories Slider (첨부 사진 2: 둥근 스마트폰 모양 모바일 스토리 카드)
   ========================================================================== */

.stories-viewport {
  width: 100%;
  overflow: hidden;
  padding: 1rem 0;
  cursor: grab;
}

.stories-viewport:active {
  cursor: grabbing;
}

.stories-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* Rounded Mobile Phone Shaped Card */
.story-card {
  flex: 0 0 calc((100% - (1.5rem * 3)) / 4);
  min-width: 230px;
  aspect-ratio: 9 / 16;
  background: var(--bg-card);
  border-radius: 36px;
  border: 1.5px solid var(--border-card);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.story-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--brown-espresso);
}

.story-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #f4eee6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 3.5rem 1rem;
}

.story-card-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(46, 27, 18, 0.1);
  display: block;
  transition: transform 0.5s ease;
}

.story-card:hover .story-card-img {
  transform: scale(1.04);
}

.story-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(35, 20, 14, 0.4) 0%,
    transparent 25%,
    transparent 65%,
    rgba(35, 20, 14, 0.88) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem 1.15rem;
  color: #ffffff;
  pointer-events: none;
}

.story-num {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  align-self: flex-start;
}

.story-info-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.story-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.story-tag {
  font-size: 0.72rem;
  color: #eedcd2;
  font-weight: 500;
}

.paper-hint {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--brown-muted);
}

/* ==========================================================================
   5. Project Captions (첨부 사진 3: 3열 카드 + 따옴표 인용구 텍스트 박스)
   ========================================================================== */

.captions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  width: 100%;
}

.caption-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
  cursor: pointer;
}

.caption-card:hover {
  transform: translateY(-6px);
  border-color: var(--brown-black);
  box-shadow: var(--shadow-hover);
}

.caption-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f6f1ea;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.caption-card-image img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(46, 27, 18, 0.08);
  transition: transform 0.5s ease;
}

.caption-card:hover .caption-card-image img {
  transform: scale(1.04);
}

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

.caption-card-body {
  padding: 1.5rem 1.4rem;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
  border-top: 1.5px solid var(--border-light);
}

.caption-quote {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--brown-espresso);
  font-weight: 500;
  position: relative;
}

.caption-hashtags {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brown-muted);
  line-height: 1.4;
}

.caption-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border-light);
  padding-top: 0.6rem;
}

.caption-author {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--brown-espresso);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.caption-view-action {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brown-dark);
}

/* ==========================================================================
   6. About Me & Value Section
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  padding: 1rem 0;
}

.about-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-heading {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--brown-black);
  letter-spacing: -0.01em;
}

.about-desc {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--brown-body);
}

.value-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.value-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--brown-body);
}

.value-list li::before {
  content: '■';
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.7rem;
  color: var(--brown-espresso);
}

.value-list li strong {
  color: var(--brown-black);
}

/* ==========================================================================
   7. Full Archive Grid Section
   ========================================================================== */

.archive-subtext {
  font-size: 0.82rem;
  color: var(--brown-muted);
}

/* Category Filter Bar */
.category-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
}

.category-tab {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  color: var(--brown-espresso);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 1.05rem;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.25s ease;
  user-select: none;
}

.category-tab:hover {
  border-color: var(--brown-black);
  color: var(--brown-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.category-tab.active {
  background: var(--brown-black);
  border-color: var(--brown-black);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.category-tab .tab-count {
  font-size: 0.72rem;
  font-weight: 700;
  opacity: 0.75;
  background: rgba(255, 255, 255, 0.18);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.category-tab:not(.active) .tab-count {
  background: rgba(78, 48, 35, 0.1);
  color: var(--brown-espresso);
}

.all-archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.archive-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.archive-card:hover {
  transform: translateY(-4px);
  border-color: var(--brown-black);
  box-shadow: var(--shadow-card);
}

.archive-card-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f6f1ea;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem;
}

.archive-card-thumb img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 3px 10px rgba(46, 27, 18, 0.06);
  transition: transform 0.4s ease;
}

.archive-card:hover .archive-card-thumb img {
  transform: scale(1.05);
}

.archive-card-info {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.archive-num {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--brown-muted);
}

.archive-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brown-black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   8. Contact Section
   ========================================================================== */

.contact-section {
  padding-top: 1.5rem;
}

.contact-box {
  background: var(--bg-card);
  border: 2px solid var(--brown-espresso);
  border-radius: 8px;
  padding: 3rem 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-card);
}

.contact-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--brown-black);
  letter-spacing: -0.02em;
}

.contact-desc {
  max-width: 600px;
  font-size: 0.98rem;
  color: var(--brown-body);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.6rem;
  background: var(--brown-black);
  color: #ffffff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all 0.25s ease;
}

.contact-btn:hover {
  background: var(--brown-espresso);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(46, 27, 18, 0.2);
}

/* ==========================================================================
   9. Lightbox Modal (Deep Brown Theme)
   ========================================================================== */

.paper-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.paper-lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 15, 10, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lightbox-card {
  position: relative;
  z-index: 2;
  width: 92vw;
  max-width: 1280px;
  height: 90vh;
  background: var(--bg-canvas);
  border: 2px solid var(--brown-black);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1.5px solid var(--grid-line-strong);
  background: #ffffff;
}

.lightbox-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lb-counter {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 800;
  background: var(--bg-pill);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  color: var(--brown-espresso);
}

.lb-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--brown-black);
}

.lb-close-btn {
  background: none;
  border: none;
  color: var(--brown-black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem;
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.lb-close-btn:hover {
  transform: scale(1.15);
}

.lightbox-view-area {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 4rem;
  overflow: hidden;
}

.lb-image-box {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-image-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 12px 36px rgba(46, 27, 18, 0.15);
}

.lb-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #ffffff;
  border: 1.5px solid var(--border-card);
  color: var(--brown-espresso);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  z-index: 10;
  box-shadow: var(--shadow-soft);
}

.lb-nav-btn:hover {
  background: var(--brown-black);
  color: #ffffff;
  border-color: var(--brown-black);
  transform: translateY(-50%) scale(1.08);
}

.lb-nav-btn.prev {
  left: 1.25rem;
}

.lb-nav-btn.next {
  right: 1.25rem;
}

.lightbox-bottom-bar {
  padding: 1rem 1.5rem;
  border-top: 1.5px solid var(--grid-line-strong);
  background: #ffffff;
  text-align: center;
}

.lb-caption-text {
  font-size: 0.95rem;
  color: var(--brown-espresso);
  font-weight: 500;
  font-style: italic;
}

/* ==========================================================================
   10. Footer Bottom Bar
   ========================================================================== */

.bottom-bar {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem 2rem 3rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1.5px solid var(--grid-line-strong);
  font-size: 0.85rem;
  color: var(--brown-muted);
}

.top-link {
  color: var(--brown-espresso);
  font-weight: 700;
  text-decoration: none;
}

.top-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .stories-track .story-card {
    flex: 0 0 calc((100% - 1.5rem) / 2);
  }

  .captions-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .paper-header {
    padding: 0.85rem 1rem;
  }

  .nav-menu {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.8rem;
  }

  .hero-section {
    padding: 0 1rem 2.5rem 1rem;
  }

  .hero-title {
    font-size: clamp(2.1rem, 10.5vw, 3.6rem);
    line-height: 1.1;
  }

  .hero-main-banner {
    height: 240px;
  }

  .grid-paper-container {
    border-left: none;
  }

  .vertical-rail {
    width: 48px;
    padding: 2rem 0;
  }

  .vertical-text {
    font-size: 0.7rem;
    letter-spacing: 0.16em;
  }

  .paper-content-area {
    padding: 2rem 1.25rem 3.5rem 1.25rem;
  }

  .stories-track .story-card {
    flex: 0 0 80%;
    min-width: 200px;
  }

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

  .lightbox-view-area {
    padding: 1rem;
  }

  .lb-nav-btn.prev {
    left: 0.5rem;
  }

  .lb-nav-btn.next {
    right: 0.5rem;
  }
}