/* ==========================================================================
   見素 Kensu Studio — Core Design System & Global Stylesheet
   Specht Novak Architectural Aesthetics: Full-Width, Quiet Luxury, Restrained
   ========================================================================== */

:root {
  /* Specht Novak Architectural Palette: Pure Gallery White, Restrained Obsidian, Hairline Precision */
  --bg-primary: #FFFFFF;       /* 纯粹画廊白 (Gallery Pure White) */
  --bg-card: #FFFFFF;          /* 去灰底，与主画布融为一体 (Pure White Unboxed) */
  --bg-card-hover: #F8F8F8;    /* 卡片悬停微灰 */
  --bg-dark: #FFFFFF;          /* 全站底色统一为画廊白 (Unified Gallery Canvas) */
  --bg-dark-surface: #F9F9F9;  /* 浅色次级表面 */
  --bg-glass-light: rgba(255, 255, 255, 0.96);
  --bg-glass-dark: rgba(255, 255, 255, 0.96);

  --text-primary: #1A1919;     /* 炭墨黑标题 (Specht Novak Charcoal Black) */
  --text-body: #333333;        /* 现代主义深灰正文 (Modernist Body Readability) */
  --text-secondary: #4A4642;   /* 次级正文与叙事 (Tectonic Narrative Secondary) */
  --text-muted: #828282;       /* 辅助中性冷灰 (Neutral Architectural Metadata) */
  --text-inverse: #1A1919;     /* 统一深色文字 */
  --text-inverse-muted: #828282;

  --border-light: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.16);
  --border-dark: rgba(0, 0, 0, 0.08);

  /* Typography: Modern Architectural Sans-serif + Refined Chinese Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif-cn: 'Noto Serif SC', 'Songti SC', 'Source Han Serif SC', serif;
  --font-serif-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.25s ease;
  --transition-smooth: 0.45s var(--ease-out-expo);
  --transition-slow: 0.8s cubic-bezier(0.22, 1, 0.36, 1);

  /* Full-Width Fluid Layout Spacing (Specht Novak Benchmark) */
  --container-max: 100%;
  --gutter: clamp(24px, 4.2vw, 64px);
  --nav-height: clamp(54px, 6.5vh, 66px);
  --nav-scrolled-height: 56px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-body);
}

body.modal-open {
  overflow: hidden;
}

/* Global Fluid Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Typography Presets */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 500;
  background-color: var(--bg-glass-light);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  transition: height var(--transition-smooth), 
              box-shadow var(--transition-smooth),
              background-color var(--transition-smooth);
}

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

.site-header .nav-logo {
  color: var(--text-primary);
}

.site-header .nav-link {
  color: var(--text-body);
}

.site-header .nav-link:hover,
.site-header .nav-link.active {
  color: var(--text-primary);
}

.site-header .burger-line {
  background-color: var(--text-primary);
}

.site-header.scrolled {
  height: var(--nav-scrolled-height);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid var(--border-light);
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.35rem, 1.8vw, 1.75rem);
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  line-height: 1;
}

.nav-logo span.logo-cn {
  font-family: var(--font-serif-cn);
  font-weight: 600;
  letter-spacing: 0.14em;
}

.nav-logo span.logo-en {
  font-family: var(--font-sans);
  font-size: 0.85em;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0.95;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 54px);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

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

/* Mobile Hamburger Button */
.burger-btn {
  display: none;
  width: 32px;
  height: 24px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  z-index: 600;
}

.burger-line {
  width: 100%;
  height: 1.5px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

.burger-btn.active .burger-line:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
  background-color: var(--text-inverse) !important;
}

.burger-btn.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.active .burger-line:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
  background-color: var(--text-inverse) !important;
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-dark);
  z-index: 550;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
  text-align: center;
}

.mobile-nav-link {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-inverse);
}

.mobile-nav-meta {
  position: absolute;
  bottom: 40px;
  text-align: center;
  color: var(--text-inverse-muted);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

/* ==========================================================================
   Screen 1: Hero Section (Specht Novak 100vh Full Viewport Frame)
   ========================================================================== */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 560px;
  padding-top: var(--nav-height);
  padding-bottom: clamp(14px, 2.2vh, 24px);
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.hero-stage-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.hero-slider-frame {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 0;
  background-color: #F4F4F4;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

/* Specht Novak Benchmark: Museum-Grade Additive Cross-Dissolve
   The outgoing slide is retained underneath (.prev-slide) while the incoming slide (.active)
   fades in smoothly over it, preventing grey background flicker. */
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1;
  will-change: opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: opacity 650ms cubic-bezier(0.25, 1, 0.5, 1), visibility 650ms;
}

/* Outgoing slide pinned at solid opacity underneath during transition */
.hero-slide.prev-slide {
  opacity: 1;
  visibility: visible;
  z-index: 2;
  pointer-events: none;
  transition: opacity 650ms cubic-bezier(0.25, 1, 0.5, 1);
}

/* Incoming active slide dissolves in on top */
.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 3;
  pointer-events: auto;
  transition: opacity 650ms cubic-bezier(0.25, 1, 0.5, 1);
}

/* Cinematic Ken Burns slow scale animation (画面缓慢放大 / 呼吸变焦)
   Subtly scales the architectural photo from 1.0 to 1.055 over the contemplation duration. */
.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.0);
  transform-origin: center center;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Active & transitioning slide smoothly expands without any sudden scale jump */
.hero-slide.active .hero-slide-img,
.hero-slide.prev-slide .hero-slide-img {
  animation: heroKenBurns 6500ms cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes heroKenBurns {
  0% {
    transform: scale(1.0);
  }
  100% {
    transform: scale(1.055);
  }
}

/* Specht Novak Interactive Bottom Meta Bar */
.hero-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: clamp(12px, 1.8vh, 18px);
  gap: 16px;
  flex-shrink: 0;
}

/* Meta text container uses CSS Grid stack so all slides share the exact same bounds without layout shift */
.hero-meta-project {
  position: relative;
  flex: 1;
  min-height: 48px;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  align-items: center;
}

/* Pure in-place typographic dissolve matching Specht Novak video benchmark (no awkward translateY jump) */
.hero-meta-slide {
  grid-area: 1 / 1 / 2 / 2;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 450ms cubic-bezier(0.25, 1, 0.5, 1), visibility 450ms;
  pointer-events: none;
}

.hero-meta-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 450ms cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-project-name {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.hero-project-name span.cn {
  font-family: var(--font-serif-cn);
  font-size: 1.05em;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hero-project-name span.en {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.9em;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.hero-project-loc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-top: 3px;
}

.hero-controls {
  display: flex;
  align-items: center;
}

.hero-nav-arrows {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-arrow-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  opacity: 0.75;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.hero-arrow-btn:last-child {
  padding-right: 0;
}

.hero-arrow-btn:hover {
  background: transparent;
  opacity: 1;
  transform: scale(1.12);
}

/* Firm Intro Header (Below Hero) */
.firm-intro-block {
  margin-bottom: clamp(48px, 7vh, 80px);
}

.hero-studio-name {
  font-family: var(--font-serif-cn);
  font-size: 1.1rem;
  letter-spacing: 0.22em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-studio-name span.en {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.hero-discipline-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.hero-positioning-quote {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  font-weight: 300;
  color: var(--text-body);
  line-height: 1.6;
  max-width: 780px;
}

/* ==========================================================================
   Homepage Architectural Sections (Specht Novak Style Sections)
   ========================================================================== */
.home-section {
  padding: clamp(80px, 11vh, 140px) 0;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
}

.home-section.bg-light,
.home-section.bg-alt,
.home-section.bg-dim {
  background-color: var(--bg-primary);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 12px;
}

.section-title-large {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.3rem, 1.8vw, 1.75rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: clamp(24px, 3.5vh, 36px);
}

.section-title-large span.en {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: clamp(0.82rem, 0.95vw, 0.95rem);
  color: var(--text-muted);
  letter-spacing: 0.02em;
  display: block;
  line-height: 1.6;
  margin-top: 8px;
  font-weight: 400;
}

.specht-subheading-en {
  display: block;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: clamp(0.82rem, 0.95vw, 0.95rem);
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.6;
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* Minimalist Architectural Underline Link (Specht Novak Style) */
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--text-primary);
  padding-bottom: 2px;
  transition: opacity var(--transition-fast);
}

.section-link:hover {
  opacity: 0.5;
}

.section-link span {
  font-size: 1.05em;
  transition: transform var(--transition-fast);
}

.section-link:hover span {
  transform: translateX(3px);
}

/* Architectural Quote Block (Balanced Studio Statement) */
.architectural-quote-block {
  padding: clamp(28px, 4vw, 44px) clamp(24px, 3.5vw, 48px);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--text-primary);
  border-radius: 0;
  margin-top: 36px;
  width: 100%;
}

/* Unboxed Architectural Initiative Card */
.initiative-card {
  background: var(--bg-primary);
  border-top: 1px solid var(--text-primary);
  padding: clamp(28px, 4vw, 36px) 0 clamp(20px, 2.5vw, 28px);
  border-radius: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* 2-Column Editorial Grid (Specht Novak Architectural Hierarchy) */
.editorial-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(40px, 5.5vw, 92px);
  align-items: start;
  width: 100%;
}

.editorial-lead {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  font-weight: 400;
  line-height: 1.85;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.editorial-lead strong {
  font-weight: 500;
}

.editorial-body {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-body);
}

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

/* High-Impact Architectural Feature Image */
.feature-image-frame {
  width: 100%;
  aspect-ratio: 21 / 9;
  min-height: 380px;
  max-height: 600px;
  overflow: hidden;
  margin: clamp(40px, 6vh, 70px) 0;
  border-radius: 0;
  background-color: #F4F4F4;
}

.feature-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn-form-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-inverse);
  background-color: var(--text-primary);
  border-radius: 0;
  border: 1px solid var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-form-cta:hover {
  background-color: #333333;
  border-color: #333333;
}

/* ==========================================================================
   Work Page (`work.html`)
   ========================================================================== */
.page-work-header {
  padding: calc(var(--nav-height) + 60px) 0 clamp(80px, 12vh, 140px);
}

.work-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 50px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 20px;
}

.filter-group {
  display: flex;
  gap: 32px;
}

.filter-btn {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 6px;
  transition: color var(--transition-fast);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: width var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  color: var(--text-primary);
  font-weight: 600;
}

.filter-btn.active::after {
  width: 100%;
}

.filter-counter {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* 2-Column Works Grid (Specht Novak Full-Width) */
.works-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: clamp(24px, 4vw, 60px);
  row-gap: clamp(48px, 8vh, 80px);
}

.project-card-item {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: opacity 0.4s var(--ease-out-expo);
}

.project-card-item:hover {
  opacity: 0.82;
}

.project-thumb-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: #F4F4F4;
  margin-bottom: 16px;
  border-radius: 0;
}

.project-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.project-card-item:hover .project-thumb-img {
  transform: scale(1.025);
}

.project-card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.project-card-title {
  font-family: var(--font-sans);
  font-size: clamp(1.15rem, 1.45vw, 1.35rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.project-card-title span.cn {
  font-family: var(--font-serif-cn);
  font-size: 0.95rem;
  color: var(--text-body);
  font-weight: 400;
  margin-left: 8px;
  opacity: 0.85;
}

.project-card-loc {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.project-card-type-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.82rem;
  color: var(--text-body);
}

.project-scope-tag {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: #78716C;
}

/* ==========================================================================
   About Page (`about.html`)
   ========================================================================== */
.page-about-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 100px);
  margin-bottom: clamp(60px, 10vh, 110px);
}

.about-lead-text {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 300;
  line-height: 1.45;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.about-lead-text strong {
  font-weight: 500;
}

.about-body-text {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text-body);
}

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

/* ==========================================================================
   Contact Page (`contact.html`) — Architectural Directory Layout
   ========================================================================== */
.page-contact {
  padding: calc(var(--nav-height) + 60px) 0 clamp(90px, 14vh, 160px);
}

.contact-email-large {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 400;
  color: var(--text-primary);
  display: inline-block;
  letter-spacing: -0.02em;
  border-bottom: 1.5px solid var(--text-primary);
  padding-bottom: 6px;
  line-height: 1.15;
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
}

.contact-email-large:hover {
  opacity: 0.55;
}

/* 4-Column Architectural Practice Directory */
.contact-directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 3.5vw, 56px);
  margin-top: clamp(48px, 6vh, 72px);
  padding-top: clamp(36px, 5vh, 52px);
  border-top: 1px solid var(--border-light);
}

.contact-directory-col {
  display: flex;
  flex-direction: column;
}

.contact-dir-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 16px;
  display: block;
}

.contact-dir-title {
  font-family: var(--font-serif-cn);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.contact-dir-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 12px;
}

.contact-action-link {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  border-bottom: 1px solid var(--border-medium);
  padding-bottom: 3px;
  margin-top: 6px;
  width: fit-content;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.contact-action-link:hover {
  border-color: var(--text-primary);
}

@media (max-width: 1080px) {
  .contact-directory-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .contact-directory-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.contact-social-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.social-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--border-medium);
  border-radius: 0;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.social-action-btn:hover {
  border-color: var(--text-primary);
  background-color: var(--text-primary);
  color: #FFFFFF;
}

.social-icon-svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

/* ==========================================================================
   Footer (Specht Novak Minimalist Architectural Footer)
   ========================================================================== */
.site-footer {
  background-color: var(--bg-primary);
  color: var(--text-body);
  padding: 32px 0;
  border-top: 1px solid var(--border-light);
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: var(--text-muted);
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--text-primary) !important;
  opacity: 0.6;
}

/* ==========================================================================
   Modals: Lightbox & WeChat QR
   ========================================================================== */
#lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(245, 245, 240, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out-expo);
  padding: clamp(20px, 3vw, 40px);
  color: var(--text-primary);
}

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

.lb-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  z-index: 2010;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}

.lb-title-group h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--text-primary);
}

.lb-title-group p {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.lb-close-btn {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  padding: 8px 18px;
  border: 1px solid var(--border-medium);
  border-radius: 0;
  transition: all var(--transition-fast);
}

.lb-close-btn:hover {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.lb-stage {
  position: relative;
  width: 100%;
  height: calc(100vh - 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lb-slide-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.6s var(--ease-out-expo);
  align-items: center;
}

.lb-slide-item {
  flex: 0 0 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(10px, 4vw, 40px);
}

.lb-slide-item img {
  max-width: 90vw;
  max-height: calc(100vh - 200px);
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  border-radius: 0;
}

.lb-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-medium);
  border-radius: 50%;
  color: var(--text-primary);
  z-index: 2010;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

.lb-nav-btn:hover {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.lb-nav-prev { left: 20px; }
.lb-nav-next { right: 20px; }

.lb-bottom-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  z-index: 2010;
  overflow-x: auto;
  max-width: 100%;
  padding: 10px 0;
}

.lb-indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: rgba(28, 25, 23, 0.2);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lb-indicator-dot.active {
  background-color: var(--text-primary);
  transform: scale(1.4);
}

/* WeChat QR Modal */
#wechat-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 10, 9, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

#wechat-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.wechat-dialog-box {
  background-color: #FFFFFF;
  padding: 40px;
  border-radius: 0;
  text-align: center;
  transform: translateY(20px);
  transition: transform 0.4s var(--ease-out-expo);
  max-width: 320px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

#wechat-modal.active .wechat-dialog-box {
  transform: translateY(0);
}

.wechat-dialog-box img {
  width: 220px;
  height: 220px;
  margin: 0 auto 20px;
  border: 1px solid var(--border-light);
}

.wechat-dialog-box h4 {
  font-family: var(--font-serif-cn);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.wechat-dialog-box p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Sticky Subnav for Methodology */
.methodology-subnav {
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  background-color: var(--bg-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
  margin-bottom: 40px;
}

.methodology-subnav-list {
  display: flex;
  gap: clamp(16px, 2.5vw, 36px);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.methodology-subnav-list::-webkit-scrollbar {
  display: none;
}

.methodology-subnav-item {
  font-size: 0.84rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.methodology-subnav-item:hover {
  color: var(--text-primary);
}

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

@media (max-width: 1024px) {
  .editorial-grid,
  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 70px;
  }
  .nav-menu {
    display: none;
  }
  .burger-btn {
    display: flex;
  }
  .works-grid-2col {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }
  .hero-discipline-title {
    font-size: 2.1rem;
  }
  .hero-positioning-quote {
    font-size: 0.95rem;
  }
  #hero {
    height: auto;
    min-height: calc(100vh - 20px);
    padding-bottom: 24px;
  }
  .hero-slider-frame {
    height: clamp(300px, 54vh, 480px);
    flex: none;
  }
  .hero-meta-bar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
  }
  .hero-project-name {
    font-size: 0.98rem;
  }
  .feature-image-frame {
    aspect-ratio: 16 / 9;
    min-height: 240px;
  }
  .footer-links-group {
    flex-direction: column;
    gap: 30px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Project Detail Page Architecture (Specht Novak Benchmark)
   ========================================================================== */
.page-project-detail {
  background-color: var(--bg-primary);
}

.project-page-main {
  padding-top: calc(var(--nav-height) + clamp(16px, 2.5vh, 28px));
  padding-bottom: clamp(60px, 8vh, 100px);
}

/* 1. Hero Framed Image */
.project-hero-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 820px;
  overflow: hidden;
  border-radius: 0;
  background-color: #F4F4F4;
}

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

/* 2. Project Title and 3-Column Architectural Meta Grid */
.project-meta-section {
  margin-top: clamp(32px, 5vh, 48px);
  margin-bottom: clamp(48px, 7vh, 80px);
}

.project-title-header {
  margin-bottom: clamp(28px, 4vh, 42px);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: clamp(20px, 3vh, 32px);
}

.project-page-title {
  font-family: var(--font-sans);
  font-size: clamp(1.35rem, 2.0vw, 1.85rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.project-page-title span.cn {
  font-family: var(--font-serif-cn);
  font-weight: 400;
  font-size: 0.9em;
  color: var(--text-secondary);
  margin-left: 12px;
}

.project-page-loc {
  font-size: 0.96rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* 3-Column Architecture Meta Grid */
.project-detail-3col {
  display: grid;
  grid-template-columns: 240px 1.55fr 240px;
  gap: clamp(28px, 4.5vw, 64px);
  align-items: start;
}

.pd-meta-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.pd-meta-val {
  display: block;
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.55;
}

.pd-meta-item {
  margin-bottom: 20px;
}

.pd-narrative-col .pd-narrative-p {
  font-size: clamp(0.96rem, 1.08vw, 1.08rem);
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.pd-highlights-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pd-highlights-list li {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  padding-left: 14px;
}

.pd-highlights-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.pd-standard-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-top: 6px;
}

/* 3. Vertical Gallery Photo Stream (上下滚动查看项目其他图片) */
.project-gallery-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 48px);
  margin-bottom: clamp(64px, 10vh, 110px);
}

.project-gallery-row {
  width: 100%;
  overflow: hidden;
  border-radius: 0;
  background-color: #F4F4F4;
}

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

/* 4. Related Projects Section */
.related-projects-section {
  border-top: 1px solid var(--border-light);
  padding-top: clamp(48px, 7vh, 80px);
  margin-bottom: clamp(48px, 7vh, 80px);
}

.related-header {
  margin-bottom: 28px;
}

.section-kicker {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.related-card-meta {
  padding-top: 2px;
}

.pd-credits-col,
.pd-highlights-col {
  min-width: 0;
}

.related-title {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-top: 4px;
}

.related-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 32px);
}

.related-project-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: opacity 0.4s var(--ease-out-expo);
}

.related-project-card:hover {
  opacity: 0.82;
}

.related-thumb-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 0;
  background-color: #F4F4F4;
  margin-bottom: 14px;
}

.related-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-expo);
}

.related-project-card:hover .related-thumb-img {
  transform: scale(1.035);
}

.related-card-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.related-card-title span.cn {
  font-family: var(--font-serif-cn);
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.9em;
  margin-left: 6px;
}

.related-card-loc {
  font-size: 0.86rem;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .project-detail-3col {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .related-projects-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ==========================================================================
   Home Section: Selected Works Archive (Specht Novak Register Style)
   ========================================================================== */
.specht-section {
  padding: clamp(60px, 8vh, 110px) 0;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-primary);
}

.specht-header-wrap {
  margin-bottom: clamp(32px, 4vh, 48px);
}

.specht-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
}

.specht-heading {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.3rem, 1.8vw, 1.75rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

/* Specht Novak 3-Column Register List */
.specht-archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.specht-archive-item {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: 1.5rem;
  padding: 16px 0;
  border-top: 1px solid var(--border-light);
  align-items: baseline;
  transition: background-color var(--transition-fast);
}

.specht-archive-item:last-child {
  border-bottom: 1px solid var(--border-light);
}

.specht-archive-year {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.specht-archive-title-wrap {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.specht-archive-link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.specht-archive-link:hover .specht-title-main {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.specht-title-main {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.specht-title-sub {
  font-size: 0.88rem;
  font-family: var(--font-serif-cn);
  color: var(--text-muted);
}

.specht-archive-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .specht-archive-item {
    grid-template-columns: 4rem 1fr;
    gap: 0.75rem;
    padding: 14px 0;
  }

  .specht-archive-meta {
    grid-column: 2 / -1;
    text-align: left;
    font-size: 0.82rem;
    margin-top: 2px;
  }
}
.specht-archive-cta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: clamp(28px, 4vh, 40px);
}

/* ==========================================================================
   v2.3 Content Components (Services / About / Contact / Home)
   ========================================================================== */

/* Page lead paragraph under H1 */
.page-lead {
  margin-top: 16px;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  color: var(--text-body);
  max-width: 780px;
  line-height: 1.85;
}

.section-intro {
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.85;
  max-width: 780px;
  margin: -20px 0 36px;
}

/* Phase list: professional delivery stages */
.phase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border-medium);
}

.phase-row {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) 1.3fr 1fr;
  gap: clamp(24px, 3vw, 56px);
  padding: clamp(28px, 3.5vh, 40px) 0;
  border-bottom: 1px solid var(--border-light);
}

.phase-head .phase-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.phase-head h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.phase-head .phase-en {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  display: block;
}

.phase-head .phase-duration {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 3px 10px;
  border-radius: 0;
}

.phase-col-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
}

.phase-work p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-body);
}

.phase-output ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-body);
}

.phase-output ul li::before {
  content: '□ ';
  color: var(--text-muted);
}

.phase-signoff {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-primary);
  font-weight: 500;
}

.phase-signoff::before {
  content: '◆ ';
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Team list (Specht Novak people register) */
.team-principal {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
  margin-bottom: clamp(48px, 6vh, 72px);
}

.team-principal-name {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  color: var(--text-primary);
  font-weight: 500;
}

.team-principal-role {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 6px;
  display: block;
}

.team-principal-bio p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 16px;
}

.team-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border-medium);
}

.team-list li {
  display: grid;
  grid-template-columns: 4rem minmax(200px, 0.8fr) 1.6fr;
  gap: 1.5rem;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
  align-items: baseline;
}

.team-list .team-count {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.team-list .team-role {
  font-family: var(--font-serif-cn);
  font-size: 1.02rem;
  color: var(--text-primary);
}

.team-list .team-role span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.team-list .team-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-body);
}

/* Contact next-steps list */
.next-steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}

.next-steps-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-body);
}

.next-steps-list li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 2px;
}

.next-steps-list li strong {
  color: var(--text-primary);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .phase-row {
    grid-template-columns: 1fr 1fr;
  }
  .phase-head {
    grid-column: 1 / -1;
  }
  .team-principal {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .phase-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .team-list li {
    grid-template-columns: 3rem 1fr;
  }
  .team-list .team-desc {
    grid-column: 2 / -1;
  }
}

/* ==========================================================================
   Cultural Archive Styles (ABBS Memory)
   ========================================================================== */
.archive-manifesto {
  max-width: 780px;
  margin: 0 auto clamp(60px, 8vh, 100px);
}

.archive-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.archive-catalog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 24px;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.archive-catalog-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.archive-item-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: block;
}

.archive-item-title {
  font-size: 1.05rem;
  font-family: var(--font-serif-cn);
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.archive-item-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
  margin-top: 16px;
}

.archive-disclaimer-box {
  margin-top: clamp(60px, 8vh, 90px);
  padding: clamp(28px, 3.5vw, 40px) 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-medium);
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.8;
}