/* =========================================
   LUOJICAT — Design Language System
   =========================================
   Quiet · Minimal · Architectural · Museum
   ========================================= */

@import url('https://cdn.jsdelivr.net/npm/misans-webfont@4.3.1/misans/misans-normal/result.css');

:root {
  /* Colors */
  --color-hero-title: #F8F8F6;
  --color-subtitle: rgba(226, 226, 226, 0.9);
  --color-body: #D5D5D5;
  --color-nav-default: rgba(255, 255, 255, 0.72);
  --color-nav-hover: rgba(255, 255, 255, 1);
  --color-button-text: #FFFFFF;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-blur: 18px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --glass-radius: 18px;

  /* Typography */
  --font-cn: 'MiSans Normal', 'MiSans VF', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --hero-title-size: 72px;
  --hero-title-weight: 300;
  --hero-title-ls: 0.08em;
  --hero-title-lh: 1.0;

  --subtitle-size: 17px;
  --subtitle-weight: 400;
  --subtitle-lh: 1.8;

  --nav-size: 15px;
  --nav-weight: 500;

  --body-size: 17px;
  --body-weight: 400;

  /* Spacing */
  --spacing-unit: 48px;
  --hero-padding: 120px;

  /* Transitions */
  --transition-fast: 220ms ease-out;
  --transition-page: 500ms ease;

  /* Bloom */
  --bloom-color: rgba(248, 248, 246, 0.04);
  --bloom-glass: rgba(255, 255, 255, 0.06);
  --bloom-radius: 60px;
}

/* -----------------------------------------
   Reset
   ----------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  font-size: var(--body-size);
  font-weight: var(--body-weight);
  color: var(--color-body);
  background-color: #070707;
  line-height: 1.6;
  overflow: hidden;
  min-height: 100vh;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* -----------------------------------------
   Typography
   ----------------------------------------- */
.font-en {
  font-family: var(--font-en);
}

.font-mono {
  font-family: var(--font-mono);
}

/* -----------------------------------------
   Navigation
   ----------------------------------------- */
.nav-glass {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 560px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  z-index: 1000;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  animation: navFadeIn 0.8s ease 0.1s both;
}

.nav-glass:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 35px rgba(0, 0, 0, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}

.nav-link {
  font-family: var(--font-en);
  font-size: var(--nav-size);
  font-weight: var(--nav-weight);
  color: var(--color-nav-default);
  letter-spacing: 0.03em;
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--color-nav-hover);
  transform: translateY(-2px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
  transition: width var(--transition-fast);
}

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

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

.nav-link.active::after {
  width: 100%;
  background: rgba(255, 255, 255, 0.7);
}

/* -----------------------------------------
   Page Container & Transitions
   ----------------------------------------- */
#page-container {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

.page {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-page);
  will-change: opacity;
}

.page.active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
  height: 100vh;
  overflow-y: auto;
}

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

.page.transition-in {
  opacity: 1;
}

/* -----------------------------------------
   HOME - Hero
   ----------------------------------------- */
#page-home {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  background-color: #070707;
}

.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--hero-padding) 24px;
  max-width: 900px;
}

.hero-title {
  font-family: var(--font-en);
  font-size: var(--hero-title-size);
  font-weight: var(--hero-title-weight);
  letter-spacing: var(--hero-title-ls);
  line-height: var(--hero-title-lh);
  color: var(--color-hero-title);
  text-transform: uppercase;
  margin-bottom: 24px;
  user-select: none;
}

.hero-subtitle {
  font-family: var(--font-cn);
  font-size: var(--subtitle-size);
  font-weight: var(--subtitle-weight);
  line-height: var(--subtitle-lh);
  color: var(--color-hero-title);
  opacity: 0.72;
  margin-bottom: var(--spacing-unit);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* -----------------------------------------
   Hero Button
   ----------------------------------------- */
.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 190px;
  height: 54px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  color: var(--color-button-text);
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.btn-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 70%
  );
  transform: translateX(-100%) rotate(25deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.btn-hero:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.btn-hero:hover::before {
  transform: translateX(100%) rotate(25deg);
}

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

/* -----------------------------------------
   Hero Series Link
   ----------------------------------------- */
.hero-series-link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.hero-series-link:hover {
  color: rgba(255, 255, 255, 0.85);
}

/* -----------------------------------------
   Content Pages - Shared
   ----------------------------------------- */
.page-content {
  padding: 140px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 64px;
}

.page-title {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.1;
  color: var(--color-hero-title);
  margin-bottom: 16px;
}

.page-desc {
  font-size: var(--body-size);
  color: var(--color-nav-default);
  max-width: 600px;
  line-height: 1.7;
}

/* -----------------------------------------
   WORKS - Gallery
   ----------------------------------------- */
.gallery-grid {
  column-count: 3;
  column-gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 20px;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.gallery-item:hover {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3px;
}

.gallery-item-date {
  font-family: var(--font-cn);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.03em;
}

/* Placeholder for gallery items without images */
.gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: #111;
  color: rgba(255, 255, 255, 0.15);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* -----------------------------------------
   ARCHIVE
   ----------------------------------------- */
.archive-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
}

.archive-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: opacity var(--transition-fast);
  cursor: pointer;
}

.archive-item:hover {
  opacity: 0.7;
}

.archive-item:last-child {
  border-bottom: none;
}

.archive-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.02em;
  padding-top: 2px;
}

.archive-info h3 {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 6px;
  line-height: 1.4;
}

.archive-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
}

/* -----------------------------------------
   TIMELINE — Single Axis
   ----------------------------------------- */
.tl {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Axis Line ---- */
.tl-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-50%);
  pointer-events: none;
}

/* ---- Year Era ---- */
.tl-era {
  position: relative;
  padding: 64px 0 16px;
}

.tl-era + .tl-era {
  margin-top: 16px;
}

.tl-era-watermark {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(90px, 18vw, 170px);
  font-weight: 600;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.035);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

/* ---- Entry Base ---- */
.tl-entry {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding: 28px 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: calc(var(--i, 0) * 70ms);
}

.tl-entry.tl-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Dot ---- */
.tl-entry-dot {
  position: absolute;
  left: 50%;
  top: 32px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  transform: translateX(-50%);
  transition: box-shadow 0.25s ease;
  z-index: 1;
}

.tl-entry:hover .tl-entry-dot {
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
}

/* ---- Entry Body ---- */
.tl-entry-body {
  width: 42%;
  min-width: 260px;
  cursor: pointer;
  user-select: none;
}

.tl-entry--left .tl-entry-body {
  margin-right: auto;
  text-align: right;
}

.tl-entry--right .tl-entry-body {
  margin-left: auto;
  text-align: left;
}

/* ---- Date ---- */
.tl-entry-meta {
  margin-bottom: 6px;
}

.tl-entry-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.04em;
  transition: color 0.25s ease;
}

.tl-entry:hover .tl-entry-date {
  color: rgba(255, 255, 255, 0.45);
}

/* ---- Title ---- */
.tl-entry-title {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
  line-height: 1.45;
  transition: color 0.25s ease;
}

.tl-entry:hover .tl-entry-title {
  color: rgba(255, 255, 255, 0.92);
}

/* ---- Description ---- */
.tl-entry-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- Direct Image ---- */
.tl-entry-image {
  margin-top: 14px;
  border-radius: 4px;
  overflow: hidden;
}

.tl-entry-image img {
  width: 100%;
  display: block;
  cursor: zoom-in;
  transition: transform 0.3s ease;
}

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

.tl-entry-image--pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.tl-entry-image--pair img {
  border-radius: 3px;
}

/* ---- Expand (Accordion) ---- */
.tl-entry-more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease;
}

.tl-entry.tl-open .tl-entry-more {
  grid-template-rows: 1fr;
}

.tl-entry-text {
  overflow: hidden;
  padding: 0;
}

.tl-entry.tl-open .tl-entry-text {
  padding-top: 14px;
}

.tl-entry-text p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
  margin-bottom: 12px;
}

.tl-entry-text p:last-child {
  margin-bottom: 0;
}

/* ---- Link ---- */
.tl-link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-en);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.tl-link:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ---- Lightbox ---- */
.tl-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.88);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.tl-lightbox.tl-lightbox--open {
  display: flex;
}

.tl-lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 3px;
}

.tl-lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  font-size: 30px;
  color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: color 0.2s ease;
  line-height: 1;
  font-family: var(--font-en);
  z-index: 2;
}

.tl-lightbox-close:hover {
  color: rgba(255, 255, 255, 0.65);
}

.tl-lightbox-prev,
.tl-lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 40px;
  color: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 16px 20px;
  transition: color 0.2s ease;
  z-index: 2;
  font-family: var(--font-en);
  line-height: 1;
}

.tl-lightbox-prev:hover,
.tl-lightbox-next:hover {
  color: rgba(255, 255, 255, 0.6);
}

.tl-lightbox-prev {
  left: 12px;
}

.tl-lightbox-next {
  right: 12px;
}

/* -----------------------------------------
   ABOUT
   ----------------------------------------- */
/* -----------------------------------------
   ABOUT
   ----------------------------------------- */
.about-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 180px 24px 120px;
}

.about-hero {
  margin-bottom: 100px;
  text-align: center;
}

.about-hero-title {
  font-family: var(--font-en);
  font-size: clamp(48px, 10vw, 80px);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
}

.about-hero-sub {
  font-family: var(--font-en);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.about-module {
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-module.section-visible {
  opacity: 1;
  transform: translateY(0);
}

.about-module:last-child {
  margin-bottom: 0;
}

.about-module-title {
  font-family: var(--font-cn);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.25);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.about-module-body {
  font-size: 17px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.75);
}

.about-module-body p {
  margin-bottom: 20px;
}

.about-module-body p:last-child {
  margin-bottom: 0;
}

.about-module-desc {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.about-module-desc:last-of-type {
  margin-bottom: 28px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.8);
  padding: 12px 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(4px);
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.about-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  background-position: 100% 0;
  transition: background-position var(--transition-fast);
  pointer-events: none;
}

.about-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}

.about-btn:hover::before {
  background-position: 0 0;
}

.about-btn:hover .about-btn-arrow {
  transform: translateX(4px);
}

.about-btn-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.about-btn-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  margin-top: 12px;
}

/* About responsive */
@media (max-width: 768px) {
  .about-page {
    padding: 120px 16px 80px;
  }

  .about-hero {
    margin-bottom: 60px;
  }

  .about-hero-title {
    letter-spacing: 0.1em;
  }

  .about-module {
    margin-bottom: 56px;
  }

  .about-module-body {
    font-size: 16px;
  }
}

/* -----------------------------------------
   ACKNOWLEDGEMENTS
   ----------------------------------------- */
.about-ack {
  margin-top: 120px;
  margin-bottom: 80px;
  text-align: center;
}

.ack-trigger {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: color 0.25s ease;
  user-select: none;
}

.ack-trigger:hover {
  color: rgba(255, 255, 255, 0.4);
}

.ack-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.ack-collapse.open {
  max-height: 320px;
}

.ack-body {
  padding-top: 20px;
  display: flex;
  justify-content: center;
}

.ack-card {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 380px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: border-color 0.25s ease;
}

.ack-card:hover {
  border-color: rgba(255, 255, 255, 0.07);
}

.ack-avatar {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  opacity: 0.7;
  filter: saturate(0.8);
  transition: opacity 0.25s ease, filter 0.25s ease, transform 0.25s ease;
}

.ack-card:hover .ack-avatar {
  opacity: 0.9;
  filter: saturate(0.95);
  transform: scale(1.02);
}

.ack-info {
  text-align: left;
  min-width: 0;
}

.ack-name {
  font-family: var(--font-zh);
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 2px;
}

.ack-desc {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.18);
  line-height: 1.4;
  margin-bottom: 4px;
}

.ack-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.25s ease;
}

.ack-link:hover {
  color: rgba(255, 255, 255, 0.4);
}

.ack-link-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.ack-link:hover .ack-link-arrow {
  transform: translateX(2px);
}

/* Ack responsive */
@media (max-width: 768px) {
  .about-ack {
    margin-top: 80px;
    margin-bottom: 60px;
  }

  .ack-card {
    flex-direction: column;
    text-align: center;
    padding: 12px;
  }

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

/* -----------------------------------------
   LIMINAL SPACE SERIES
   ----------------------------------------- */
#page-series {
  background-color: #070707;
}

.series-hero {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.series-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.series-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.series-hero-bloom {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 80% 50% at 50% 30%,
    rgba(248, 248, 246, 0.06) 0%,
    transparent 70%
  );
}

.series-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
  max-width: 700px;
}

.series-hero-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.series-hero-title {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--color-hero-title);
  margin-bottom: 20px;
}

.series-hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 520px;
  margin: 0 auto;
}

.series-hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.series-scroll-text {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
}

/* Series Gallery */
.series-gallery {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px 100px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.series-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.series-item-cover {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.series-item-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.series-item-cover:hover img {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.series-item-bloom {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse 60% 40% at 50% 35%,
    rgba(248, 248, 246, 0.04) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.6s ease;
}

.series-item-cover:hover .series-item-bloom {
  opacity: 1;
}

.series-item-info {
  padding: 8px 0;
}

.series-item-number {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: block;
}

.series-item-title {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--color-hero-title);
  margin-bottom: 12px;
  line-height: 1.2;
}

.series-item-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
  max-width: 380px;
}

.series-item-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.series-item-date {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.03em;
}

.series-item-tool {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  font-family: var(--font-en);
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
}

.series-item-actions {
  display: flex;
  gap: 12px;
}

.series-btn-watch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.series-btn-watch::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 70%
  );
  transform: translateX(-100%) rotate(25deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.series-btn-watch:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 30px rgba(248, 248, 246, 0.04), 0 8px 25px rgba(0, 0, 0, 0.12);
}

.series-btn-watch:hover::before {
  transform: translateX(100%) rotate(25deg);
}

/* Coming Soon Item */
.series-item-coming {
  opacity: 0.5;
}

.series-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0c0c0c;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
}

.series-placeholder-icon {
  font-family: var(--font-en);
  font-size: 32px;
  color: rgba(255, 255, 255, 0.1);
}

/* Series entry animation */
.page.active .series-hero-title {
  animation: heroFadeIn 1.2s ease both;
}

.page.active .series-hero-desc {
  animation: heroFadeIn 1.2s ease 0.2s both;
}

/* Glass hover bloom enhancement */
.nav-glass:hover {
  box-shadow: 0 8px 35px rgba(0, 0, 0, 0.12), 0 0 40px rgba(248, 248, 246, 0.03);
}

/* -----------------------------------------
   Parallax Container
   ----------------------------------------- */
#page-container {
  will-change: transform;
}

/* -----------------------------------------
   Scroll Styling
   ----------------------------------------- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* -----------------------------------------
   Page Load Entry Animation
   ----------------------------------------- */
.page.active .hero-title {
  animation: heroFadeIn 1s cubic-bezier(0.25, 0.1, 0.25, 1) both;
}

.page.active .hero-subtitle {
  animation: heroFadeIn 0.9s cubic-bezier(0.25, 0.1, 0.25, 1) 0.3s both;
}

.page.active .btn-hero {
  animation: heroFadeIn 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) 0.5s both;
}

.page.active .hero-series-link {
  animation: heroFadeIn 0.8s cubic-bezier(0.25, 0.1, 0.25, 1) 0.7s both;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes navFadeIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* -----------------------------------------
   ARCHIVE — Magazine
   ----------------------------------------- */
.archive-mag {
  max-width: 660px;
}

.mag-entry {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: opacity 0.25s ease;
}

.mag-entry:hover {
  opacity: 0.7;
}

.mag-entry:last-child {
  border-bottom: none;
}

.mag-entry-num {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.04em;
  flex-shrink: 0;
  width: 36px;
  padding-top: 2px;
}

.mag-entry-body {
  flex: 1;
  min-width: 0;
}

.mag-entry-meta {
  display: flex;
  gap: 14px;
  margin-bottom: 6px;
}

.mag-entry-date,
.mag-entry-readtime {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.03em;
}

.mag-entry-title {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 6px;
  line-height: 1.4;
}

.mag-entry-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
  margin-bottom: 10px;
}

.mag-entry-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mag-tag {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  padding: 2px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  letter-spacing: 0.02em;
}

.mag-entry-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-en);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.mag-entry:hover .mag-entry-link {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ---- Resource Cards ---- */

.mag-resource-grid {
  margin-top: 24px;
}

.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.resource-card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  transition: left 0.6s ease;
}

.resource-card:hover::before {
  left: 100%;
}

.resource-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.resource-name {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
}

.resource-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
  margin-bottom: 16px;
}

.resource-link {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.25s ease, border-color 0.25s ease;
  letter-spacing: 0.02em;
}

.resource-link:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.25);
}

/* -----------------------------------------
   ARTICLE PAGE
   ----------------------------------------- */
.article-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ---- Hero ---- */
.article-hero {
  padding: 60px 0 48px;
}

.article-hero-inner {
  max-width: 700px;
}

.article-categories {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article-cat {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  padding: 3px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  letter-spacing: 0.03em;
}

.article-title {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.article-hero-meta {
  display: flex;
  gap: 18px;
}

.article-hero-date,
.article-hero-readtime {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.03em;
}

/* ---- Layout ---- */
.article-layout {
  display: flex;
  gap: 48px;
  position: relative;
}

/* ---- TOC ---- */
.article-toc {
  width: 180px;
  flex-shrink: 0;
  position: sticky;
  top: 100px;
  align-self: start;
}

.article-toc-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc-link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.25);
  text-decoration: none;
  line-height: 1.5;
  padding-left: 12px;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.toc-link:hover {
  color: rgba(255, 255, 255, 0.5);
}

.toc-link.toc-active {
  color: rgba(255, 255, 255, 0.7);
  border-left-color: rgba(255, 255, 255, 0.3);
}

/* ---- Body ---- */
.article-body {
  flex: 1;
  min-width: 0;
  max-width: 660px;
}

.article-section {
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.article-section.section-visible {
  opacity: 1;
  transform: translateY(0);
}

.article-section-title {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
  line-height: 1.35;
}

.article-body p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 18px;
}

.article-body p:last-child {
  margin-bottom: 0;
}

/* ---- Highlight ---- */
.hl {
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 400;
}

/* ---- Parameter Card ---- */
.article-param-card {
  margin-bottom: 48px;
  padding: 20px 24px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  max-width: 380px;
}

.param-card-header {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.param-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.param-card-row:last-child {
  border-bottom: none;
}

.param-card-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

.param-card-value {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ---- Info Block ---- */
.article-info {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 24px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid rgba(255, 255, 255, 0.15);
}

.info-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  padding-top: 1px;
}

.info-body p {
  font-size: 15px !important;
  color: rgba(255, 255, 255, 0.55) !important;
  line-height: 1.7 !important;
  margin-bottom: 0 !important;
}

.info-body strong {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
}

/* ---- Article Footer ---- */
.article-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.article-footer-nav {
  display: flex;
  justify-content: center;
}

.article-nav-back {
  font-family: var(--font-en);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.article-nav-back:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.25);
}

/* -----------------------------------------
   Responsive
   ----------------------------------------- */
@media (max-width: 1024px) {
  .gallery-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .nav-glass {
    width: calc(100% - 32px);
    height: auto;
    padding: 12px 16px;
    top: 16px;
  }

  .nav-inner {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-link {
    font-size: 13px;
  }

  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .page-title {
    font-size: 36px;
  }

  .gallery-grid {
    column-count: 1;
    column-gap: 0;
  }

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

  .article-title {
    font-size: 28px;
  }

  .article-layout {
    flex-direction: column;
    gap: 24px;
  }

  .article-toc {
    width: 100%;
    position: static;
    display: none;
  }

  .article-body {
    max-width: none;
  }

  .article-section-title {
    font-size: 21px;
  }

  .article-body p {
    font-size: 16px;
  }

  .article-page {
    padding: 0 16px 48px;
  }

  .page-content {
    padding-top: 120px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .tl-era {
    padding: 40px 0 8px;
  }

  .tl-era-watermark {
    font-size: clamp(56px, 22vw, 80px);
    top: -6px;
  }

  .tl-entry {
    padding: 20px 0;
  }

  .tl-entry-body {
    width: auto;
    min-width: 0;
    max-width: none;
  }

  .tl-entry--left .tl-entry-body,
  .tl-entry--right .tl-entry-body {
    margin-left: 28px;
    margin-right: 0;
    text-align: left;
  }

  .tl-entry-dot {
    left: 0;
  }

  .tl-line {
    left: 3.5px;
    transform: none;
  }

  .tl-entry-image--pair {
    grid-template-columns: 1fr;
  }

  .tl-lightbox-prev,
  .tl-lightbox-next {
    font-size: 28px;
    padding: 12px 8px;
  }

  .series-hero-title {
    font-size: 38px;
  }

  .series-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .series-item-info {
    padding: 0;
  }

  .series-gallery {
    padding: 48px 16px 64px;
    gap: 48px;
  }

  .series-item-desc {
    max-width: none;
  }

  :root {
    --hero-padding: 80px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 36px;
  }

  .series-hero-title {
    font-size: 30px;
  }

  .series-hero {
    height: 60vh;
    min-height: 400px;
  }
}