/* ==========================================================================
   EVERNIGHT — DESIGN SYSTEM & ARCHITECTURE
   Built Around Questions, Not Claims.
   ========================================================================== */

:root {
  --bg-primary: #FFFFFF;
  --bg-subtle: #FAF9F6;
  --bg-alt: #F4F3EF;
  
  --text-primary: #000000;
  --text-secondary: #404040;
  --text-muted: #787878;
  
  --border-light: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.14);
  --border-dark: #000000;
  
  --font-display: 'Cinzel', 'Trajan Pro', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --header-height: 72px;
  --max-content-width: 1200px;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ==========================================================================
   MINIMALIST NAVIGATION HEADER
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 100;
  border-bottom: 1px solid var(--border-light);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.header-inner {
  width: 100%;
  max-width: var(--max-content-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  cursor: pointer;
  transition: opacity var(--transition-smooth);
}

.header-logo {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
}

.header-wordmark {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  margin-right: -0.28em;
  color: var(--text-primary);
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-decoration: none;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--text-primary);
  transition: width var(--transition-smooth);
}

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

.nav-link.active {
  color: var(--text-primary);
  font-weight: 500;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  color: var(--text-primary);
  z-index: 102;
  transition: all var(--transition-smooth);
}

.menu-toggle:hover {
  border-color: var(--text-primary);
}

/* ==========================================================================
   APP MAIN & SECTIONS
   ========================================================================== */

#app {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 100vh;
}

.page-section {
  width: 100%;
  position: relative;
  scroll-margin-top: var(--header-height);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
}

.section-container {
  max-width: var(--max-content-width);
  width: 100%;
  margin: 0 auto;
  padding: 7rem 2.5rem 8rem;
}

.section-header {
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 2.5rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}

.section-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 720px;
}

/* ==========================================================================
   SECTION 1: HERO (Preserved Original Identity)
   Pure white, centered emblem, Cinzel wordmark, generous negative space
   ========================================================================== */

.hero-section {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 2rem) 2rem 6rem;
  background-color: var(--bg-primary);
  scroll-margin-top: 0;
}

.hero-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(1.75rem, 3.2vh, 3rem);
  user-select: none;
  perspective: 1200px;
}

.emblem-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(100px, 9.5vw, 148px);
  height: clamp(100px, 9.5vw, 148px);
  cursor: default;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.emblem-halo-svg {
  display: none !important;
}

.emblem-img-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
  /* Clean, subtle depth conforming to circular silhouette, zero square box */
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.05));
  transition: filter 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s ease;
}

.emblem-stage:hover .hero-logo {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.12));
}

.hero-wordmark {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.4vw, 4.1rem);
  font-weight: 400;
  letter-spacing: 0.34em;
  margin-right: -0.34em;
  color: var(--text-primary);
  line-height: 1;
  text-align: center;
}

.scroll-prompt {
  position: absolute;
  bottom: 2.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  margin-right: -0.22em;
  padding: 0.5rem;
  opacity: 0.65;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), color var(--transition-smooth);
  cursor: pointer;
}

.scroll-prompt:hover {
  opacity: 1;
  color: var(--text-primary);
  transform: translateX(-50%) translateY(3px);
}

.scroll-prompt-icon {
  animation: scrollPulse 2.4s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(4px);
    opacity: 1;
  }
}

/* ==========================================================================
   SECTION 2: QUESTIONS CANVAS
   Architectural, breathing typography: What is intelligence? What is understanding?
   ========================================================================== */

.questions-canvas {
  width: 100%;
  position: relative;
  scroll-margin-top: var(--header-height);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  padding: 6.5rem 0 9rem;
  overflow: hidden;
}

.questions-coordinate-header {
  max-width: 1140px;
  margin: 0 auto 3.5rem;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.questions-coord-sep {
  opacity: 0.4;
}

.questions-coord-title {
  color: var(--text-secondary);
}

/* Composition 1: What is intelligence? */
.question-frame {
  max-width: 1140px;
  margin: 0 auto;
  padding: 3rem 2.5rem 4.5rem;
}

.question-frame-01 {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(3rem, 5vw, 6rem);
  align-items: center;
}

.question-lead-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.question-marker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.question-display {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.8vw, 4.8rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.question-annotation {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 480px;
  padding-top: 0.5rem;
}

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

.annotation-p {
  font-family: var(--font-body);
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.muted-p {
  color: var(--text-muted);
  font-style: italic;
}

/* Visual Column for Instrument */
.question-visual-col {
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle-instrument {
  width: clamp(220px, 24vw, 320px);
  aspect-ratio: 1 / 1;
  color: var(--text-primary);
  opacity: 0.85;
}

.instrument-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.instrument-arc,
.instrument-inner-ring {
  transform-origin: 200px 200px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.instrument-plumb {
  transform-origin: 200px 200px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Spatial Pause / Rhythm Interruption */
.spatial-pause {
  max-width: 600px;
  margin: 3.5rem auto 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
}

.pause-axis {
  height: 80px;
  width: 1px;
  background-color: var(--border-subtle);
  margin-bottom: 2rem;
}

.pause-aphorism {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Composition 2: What is understanding? (Balanced Editorial Counterpoint) */
.question-frame-02 {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 5vw, 6rem);
  align-items: center;
  background-color: transparent;
  padding: 3rem 2.5rem 4.5rem;
  border: none;
}

.question-annotation-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 460px;
}

.question-lead-wrapper-right {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: right;
}

.question-display-right {
  text-align: right;
}

.break-line {
  display: block;
}

.indent-word {
  display: inline-block;
  letter-spacing: -0.01em;
}

/* Composition 3: The Space Between Questions */
.questions-manifesto-quiet {
  max-width: 820px;
  margin: 6rem auto 1rem;
  padding: 0 2.5rem;
  text-align: center;
}

.quiet-rule {
  width: 60px;
  height: 1px;
  background-color: var(--text-primary);
  margin: 0 auto 3rem;
}

.quiet-lead {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 2.1rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.quiet-sub {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ==========================================================================
   COMING SOON / RESTRAINED ARCHIVE STATE
   ========================================================================== */

.coming-soon-frame {
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
  padding: 4.5rem 3.5rem;
  max-width: 960px;
  position: relative;
  transition: border-color var(--transition-smooth);
}

.coming-soon-frame:hover {
  border-color: var(--text-primary);
}

.coming-soon-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.coming-soon-status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.coming-soon-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  background-color: var(--text-primary);
  color: #FFFFFF;
  padding: 0.35rem 0.85rem;
}

.coming-soon-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.coming-soon-text {
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 780px;
  margin-bottom: 2.5rem;
}

.coming-soon-footer {
  border-top: 1px dashed var(--border-light);
  padding-top: 1.5rem;
}

.coming-soon-subtext {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.research-status-banner {
  border: 1px solid var(--border-subtle);
  padding: 2.25rem 2.5rem;
  background-color: var(--bg-subtle);
  margin-bottom: 4rem;
}

.status-marker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.75rem;
}

.status-lead {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 900px;
}

.inquiry-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.inquiry-card {
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
  padding: 3rem 2.5rem;
  cursor: pointer;
  transition: border-color var(--transition-smooth), transform var(--transition-smooth);
}

.inquiry-card:hover {
  border-color: var(--text-primary);
}

.inquiry-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.inquiry-tag {
  background-color: var(--bg-alt);
  padding: 0.25rem 0.6rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.inquiry-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.95rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.inquiry-abstract {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 940px;
}

.inquiry-action {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

.action-read {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

/* ==========================================================================
   SECTION 4: BLOGS & OBSERVATIONS
   ========================================================================== */

.section-blogs-bg {
  background-color: var(--bg-subtle);
}

.blogs-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

.essay-featured {
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
  padding: 3.5rem 3rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--transition-smooth);
}

.essay-featured:hover {
  border-color: var(--text-primary);
}

.essay-meta {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.essay-tag {
  background-color: var(--text-primary);
  color: #FFFFFF;
  padding: 0.25rem 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.essay-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.essay-snippet {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  flex: 1;
}

.essay-action {
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
}

.notes-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.note-card {
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
  padding: 2.75rem 2.25rem;
  cursor: pointer;
  transition: border-color var(--transition-smooth);
}

.note-card:hover {
  border-color: var(--text-primary);
}

.note-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.note-snippet {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.note-action {
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

/* ==========================================================================
   SECTION 5: ABOUT EVERNIGHT (Authoritative Editorial Reading Experience)
   ========================================================================== */

.about-section {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-light);
  padding: 9rem 0 10rem;
  position: relative;
  overflow: hidden;
}

.about-container {
  max-width: 1080px;
  margin: 0 auto;
}

.about-header {
  margin-bottom: 2.75rem;
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.15;
  color: var(--text-primary);
}

.about-primary-wrapper {
  margin-bottom: 4.5rem;
  padding-left: 2rem;
  border-left: 2px solid var(--text-primary);
  max-width: 900px;
}

.about-primary-statement {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--text-primary);
}

.about-layout-split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 360px);
  gap: 4.5rem;
  align-items: start;
  margin-bottom: 5rem;
}

.about-editorial-prose {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  max-width: 680px;
}

.about-paragraph {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.9;
  color: var(--text-secondary);
  letter-spacing: -0.005em;
}

.about-paragraph-lead {
  font-size: clamp(1.18rem, 1.7vw, 1.32rem);
  font-weight: 450;
  line-height: 1.85;
  color: var(--text-primary);
}

/* Synthesis Instrument: Abstract Scroll-Responsive Kinetic Motif */
.about-visual-column {
  position: sticky;
  top: 130px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 1rem;
}

.synthesis-instrument {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.synthesis-svg {
  width: 100%;
  height: 100%;
  color: var(--text-primary);
  overflow: visible;
}

.syn-ring,
.syn-tangent,
.syn-aperture,
.syn-pivot-outer,
.syn-pivot-core,
.syn-caliper {
  transform-origin: 230px 230px;
  will-change: transform;
  transition: opacity 0.4s ease;
}

.about-closing-wrapper {
  margin-top: 4rem;
  max-width: 860px;
}

.about-closing-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--border-subtle) 0%, rgba(0, 0, 0, 0.02) 100%);
  margin-bottom: 2.75rem;
}

.about-closing-statement {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.55;
  color: var(--text-primary);
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border-light);
  padding: 3rem 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  background-color: #FFFFFF;
}

.footer-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* ==========================================================================
   DYNAMIC DOCUMENT READER MODAL
   ========================================================================== */

.reader-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: #FFFFFF;
  z-index: 200;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.reader-modal.active {
  display: block;
  opacity: 1;
}

.reader-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 6rem 2.5rem 8rem;
  position: relative;
}

.close-reader {
  position: fixed;
  top: 2rem;
  right: 2.5rem;
  background: none;
  border: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 0.55rem 1.15rem;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition-smooth);
  z-index: 210;
}

.close-reader:hover {
  background-color: var(--text-primary);
  color: #FFFFFF;
}

.reader-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 2rem;
}

.reader-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.reader-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.reader-author {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.reader-prose {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.85;
  color: #222222;
}

.reader-prose h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin: 2.25rem 0 0.8rem;
}

.reader-prose p {
  margin-bottom: 1.75rem;
}

.reader-prose ul {
  margin: 1.5rem 0 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reader-prose blockquote {
  border-left: 2px solid var(--text-primary);
  padding-left: 1.75rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.65;
  margin: 2.5rem 0;
  color: var(--text-primary);
}

/* ==========================================================================
   EDITORIAL MOTION & PROGRESSIVE REVEALS
   ========================================================================== */

/* By default (accessibility / no-JS fallback), all elements are fully visible and readable */
.line-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.line-reveal {
  display: inline-block;
  will-change: transform, opacity;
  transform: none;
  opacity: 1;
}

.reveal-on-scroll {
  opacity: 1;
  transform: none;
  will-change: transform, opacity;
}

/* When JavaScript initializes and enables progressive motion */
html.has-motion:not(.prefers-reduced-motion) .line-mask .line-reveal {
  transform: translateY(115%);
  opacity: 0.1;
  transition: transform 0.95s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.75s ease;
}

html.has-motion:not(.prefers-reduced-motion) .line-mask.is-revealed .line-reveal,
html.has-motion:not(.prefers-reduced-motion) .reveal-on-scroll.is-revealed .line-reveal {
  transform: translateY(0);
  opacity: 1;
}

html.has-motion:not(.prefers-reduced-motion) .reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

html.has-motion:not(.prefers-reduced-motion) .reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Wordmark initial reveal */
html.has-motion:not(.prefers-reduced-motion) .reveal-wordmark {
  opacity: 0;
  letter-spacing: 0.24em;
  transition: opacity 1.3s cubic-bezier(0.16, 1, 0.3, 1), letter-spacing 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

html.has-motion:not(.prefers-reduced-motion) .reveal-wordmark.is-revealed {
  opacity: 1;
  letter-spacing: 0.32em;
}

/* Primary Statement Accent Line Draw */
html.has-motion:not(.prefers-reduced-motion) .about-primary-wrapper {
  position: relative;
  border-left-color: transparent;
}

html.has-motion:not(.prefers-reduced-motion) .about-primary-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background-color: var(--text-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

html.has-motion:not(.prefers-reduced-motion) .about-primary-wrapper.is-revealed::before {
  transform: scaleY(1);
}

/* Closing Divider Line Draw */
html.has-motion:not(.prefers-reduced-motion) .about-closing-divider {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

html.has-motion:not(.prefers-reduced-motion) .about-closing-wrapper.is-revealed .about-closing-divider {
  transform: scaleX(1);
}

/* ==========================================================================
   ANIMATIONS & REDUCED MOTION PREFERENCES
   ========================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */

@media (max-width: 1024px) {
  .question-frame-01 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .question-visual-col {
    order: 2;
    margin-top: 1.5rem;
  }

  .question-frame-02 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .question-lead-wrapper-right {
    text-align: left;
    order: 1;
  }

  .question-display-right {
    text-align: left;
  }

  .question-annotation-left {
    order: 2;
  }

  .blogs-layout {
    grid-template-columns: 1fr;
  }

  .about-layout-split {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .about-visual-column {
    position: relative;
    top: 0;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 1.5rem;
    order: -1;
  }
}

@media (max-width: 860px) {
  .header-inner {
    padding: 0 1.5rem;
  }

  .section-container {
    padding: 5rem 1.5rem 6rem;
  }

  .about-section {
    padding: 6rem 0 7rem;
  }

  .about-primary-wrapper {
    padding-left: 1.25rem;
    margin-bottom: 3rem;
  }

  .about-editorial-prose {
    gap: 1.85rem;
    margin-bottom: 3.5rem;
  }

  .question-frame {
    padding: 3rem 1.5rem 4rem;
  }

  .coming-soon-frame {
    padding: 2.75rem 1.75rem;
  }

  .coming-soon-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .questions-canvas {
    padding: 5rem 0 7rem;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: #FFFFFF;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.25rem;
    z-index: 99;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav .nav-link {
    font-size: 1.15rem;
    letter-spacing: 0.25em;
  }

  .menu-toggle {
    display: block;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}
