/* ==========================================================================
   OPERIAN - Editorial Design System & Stylesheet
   ========================================================================== */

/* Google Fonts Imports */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* CSS Variables */
:root {
  /* Fonts */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Theme: Light Paper (Default) */
  --bg-paper: #FAF8F5;
  --bg-paper-darker: #EFECE6;
  --text-ink: #1C1B19;
  --text-ink-muted: #6B6862;
  --color-burgundy: #5A1A24;
  --color-terracotta: #C2593F;
  --color-olive: #4D5D4D;
  --border-ink: rgba(28, 27, 25, 0.12);
  --border-ink-strong: rgba(28, 27, 25, 0.3);
  --bg-overlay: rgba(250, 248, 245, 0.95);
  --shadow-color: rgba(28, 27, 25, 0.05);

  /* Animation Config */
  --ease-editorial: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-slow: 0.8s var(--ease-editorial);
  --transition-medium: 0.4s var(--ease-editorial);
  --transition-fast: 0.2s var(--ease-editorial);
}

[data-theme="dark"] {
  /* Theme: Charcoal Ink */
  --bg-paper: #121211;
  --bg-paper-darker: #1A1A19;
  --text-ink: #FAF8F5;
  --text-ink-muted: #9E9B95;
  --color-burgundy: #D65A6C;
  --color-terracotta: #E87A60;
  --color-olive: #7C8F7C;
  --border-ink: rgba(250, 248, 245, 0.12);
  --border-ink-strong: rgba(250, 248, 245, 0.35);
  --bg-overlay: rgba(18, 18, 17, 0.95);
  --shadow-color: rgba(0, 0, 0, 0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

/* Tactile Cotton Paper Texture */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0.038;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-ink);
}

p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-ink-muted);
  margin-bottom: 1.5rem;
}

strong {
  font-weight: 600;
  color: var(--text-ink);
}

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

/* Base Layout Containers */
.magazine-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

@media (max-width: 768px) {
  .magazine-container {
    padding: 0 1.5rem;
  }
}

/* 12-Column Grid Framework (Asymmetric Layouts) */
.editorial-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem 1.5rem;
}

@media (max-width: 992px) {
  .editorial-grid {
    grid-template-columns: 1fr;
    gap: 2rem 0;
  }
}

/* Page Dividers (Fine print lines) */
.ink-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border-ink);
  margin: 4rem 0;
}

.ink-divider.strong {
  background-color: var(--border-ink-strong);
}

/* Scroll Animation Classes */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header.editorial-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-overlay);
  border-bottom: 1px solid var(--border-ink);
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
  backdrop-filter: blur(8px);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-ink);
}

.brand-logo span {
  font-weight: 300;
  color: var(--color-terracotta);
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

@media (max-width: 992px) {
  .nav-menu {
    display: none; /* simple mobile hide for clean design or menu trigger */
  }
}

.nav-menu a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-ink-muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
}

.nav-menu a:hover {
  color: var(--text-ink);
  border-color: var(--color-terracotta);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Switcher */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-ink);
  border-radius: 20px;
  color: var(--text-ink);
  padding: 6px 16px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--text-ink);
  color: var(--bg-paper);
  border-color: var(--text-ink);
}

/* Action Button */
.header-cta {
  background-color: var(--color-burgundy);
  color: #FAF8F5;
  padding: 8px 20px;
  border-radius: 2px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.header-cta:hover {
  background-color: var(--color-terracotta);
  transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section (Cover Page)
   ========================================================================== */
.hero-section {
  padding-top: 180px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-meta-col {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--border-ink);
  padding-right: 2rem;
}

@media (max-width: 992px) {
  .hero-meta-col {
    grid-column: 1;
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid var(--border-ink);
    padding-bottom: 1.5rem;
  }
}

.hero-issue-info {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
}

.hero-issue-info div {
  margin-bottom: 0.5rem;
}

.hero-meta-text {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-ink-muted);
}

.hero-main-col {
  grid-column: span 9;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .hero-main-col {
    grid-column: 1;
  }
}

.hero-title-container {
  display: flex;
  flex-direction: column;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-olive);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-kicker::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  background-color: var(--color-olive);
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-ink);
}

.hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-burgundy);
}

.hero-abstract {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-ink);
  max-width: 90%;
  margin-top: 1rem;
}

.hero-visual-split {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 768px) {
  .hero-visual-split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.hero-image-frame {
  position: relative;
  border: 1px solid var(--border-ink);
  background-color: var(--bg-paper-darker);
  padding: 12px;
  overflow: hidden;
  box-shadow: 0 15px 35px var(--shadow-color);
  transition: transform var(--transition-slow);
}

.hero-image-frame:hover {
  transform: translateY(-5px);
}

.hero-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  filter: sepia(0.1) contrast(1.02);
  mix-blend-mode: multiply;
}

[data-theme="dark"] .hero-image-frame img {
  mix-blend-mode: normal;
  filter: grayscale(0.2) contrast(1.1);
}

.hero-editorial-caption {
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-editorial-caption .caption-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-ink);
}

.hero-editorial-caption .caption-text {
  font-size: 0.95rem;
  color: var(--text-ink-muted);
  line-height: 1.5;
}

.hero-action-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 1rem;
}

.btn-primary {
  display: inline-block;
  background-color: var(--text-ink);
  color: var(--bg-paper);
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0;
  transition: all var(--transition-fast);
  border: 1px solid var(--text-ink);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-ink);
}

.btn-secondary {
  display: inline-block;
  color: var(--text-ink);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 2px solid var(--color-terracotta);
  padding-bottom: 4px;
}

.btn-secondary:hover {
  border-color: var(--color-burgundy);
  color: var(--color-burgundy);
}

/* ==========================================================================
   Section 02 - Core Thesis (The Narrative Essay)
   ========================================================================== */
.thesis-section {
  padding: 100px 0;
}

.section-label {
  grid-column: span 12;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-terracotta);
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
}

.thesis-headline {
  grid-column: span 5;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  color: var(--text-ink);
}

.thesis-headline em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-burgundy);
}

@media (max-width: 992px) {
  .thesis-headline {
    grid-column: 1;
  }
}

.thesis-body {
  grid-column: 6 / span 7;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .thesis-body {
    grid-column: 1;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.thesis-column {
  display: flex;
  flex-direction: column;
}

/* Drop cap style */
.drop-cap::first-letter {
  font-family: var(--font-serif);
  font-size: 5.4rem;
  float: left;
  line-height: 0.72;
  margin-top: 0.2rem;
  margin-right: 0.85rem;
  color: var(--color-burgundy);
  font-weight: 700;
}

.thesis-quote-card {
  grid-column: 2 / span 9;
  border-top: 1px solid var(--border-ink-strong);
  border-bottom: 1px solid var(--border-ink-strong);
  padding: 3rem 0;
  margin: 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (max-width: 992px) {
  .thesis-quote-card {
    grid-column: 1;
    padding: 2rem 0;
  }
}

.thesis-quote-text {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.25;
  color: var(--text-ink);
  max-width: 85%;
  font-style: italic;
}

.thesis-quote-author {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-olive);
}

/* ==========================================================================
   Section 03 - The Symphony (Unified Multi-Agent Workspace Visualizer)
   ========================================================================== */
.symphony-section {
  padding: 100px 0;
  border-top: 1px solid var(--border-ink);
  border-bottom: 1px solid var(--border-ink);
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

#workspace-orchestrator {
  width: 100%;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-ink);
  border-radius: 4px;
  padding: 2.5rem;
  box-shadow: 0 15px 35px var(--shadow-color);
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

@media (max-width: 768px) {
  #workspace-orchestrator {
    padding: 1.5rem;
  }
}

/* Visualizer Header */
.vis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.vis-header-title {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.active-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-terracotta);
  animation: pulsePulse 1.5s infinite ease-in-out;
}

@keyframes pulsePulse {
  0% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.6; transform: scale(0.95); }
}

.badge-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-olive);
  font-weight: 600;
}

.vis-main-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
  line-height: 1.2;
}

/* Project Selector Dropdown */
.project-selector-wrapper {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.select-project-dropdown {
  background: var(--bg-paper);
  border: 1px solid var(--border-ink);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  padding: 8px 32px 8px 12px;
  font-weight: 600;
  color: var(--text-ink);
  cursor: pointer;
  outline: none;
  border-radius: 2px;
  transition: all var(--transition-fast);
  appearance: none; /* remove default arrow */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231C1B19' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
}

[data-theme="dark"] .select-project-dropdown {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23FAF8F5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
}

.select-project-dropdown:hover {
  border-color: var(--color-burgundy);
  color: var(--color-burgundy);
}

.select-project-dropdown:focus {
  border-color: var(--color-terracotta);
}

.vis-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-vis-control {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-ink);
  background: none;
  cursor: pointer;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-ink);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.btn-vis-control:hover {
  border-color: var(--color-burgundy);
  color: var(--color-burgundy);
}

.btn-vis-control svg {
  transition: color var(--transition-fast);
}

.btn-vis-reset {
  background: none;
  border: 1px solid var(--border-ink);
  padding: 8px;
  border-radius: 2px;
  color: var(--text-ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-vis-reset:hover {
  border-color: var(--color-olive);
  color: var(--color-olive);
}

/* Visualizer Grid Layout */
.vis-layout-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .vis-layout-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.vis-left-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.vis-sub-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vis-sub-section.border-top {
  border-top: 1px solid var(--border-ink);
  padding-top: 2rem;
}

.vis-section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-olive);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.vis-task-list, .vis-agent-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Task Button Card */
.vis-task-card {
  width: 100%;
  background: none;
  border: 1px solid var(--border-ink);
  text-align: left;
  padding: 1.25rem;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.vis-task-card:hover {
  border-color: var(--color-olive);
}

.vis-task-card.active {
  background-color: var(--bg-paper-darker);
  border-color: var(--color-burgundy);
  box-shadow: 0 5px 15px var(--shadow-color);
}

.vis-task-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background-color: var(--color-burgundy);
  transition: width var(--transition-fast);
}

.vis-task-card.active::before {
  width: 4px;
}

.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.task-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-olive);
  background-color: rgba(77, 93, 77, 0.08);
  padding: 2px 6px;
  border-radius: 2px;
}

.task-status-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
}

.task-status-text.completed {
  color: var(--color-olive);
}

.task-status-text.in-progress {
  color: var(--color-terracotta);
  animation: pulsePulse 1.5s infinite ease-in-out;
}

.task-status-text.pending {
  color: var(--text-ink-muted);
}

.task-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-ink);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.task-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-ink);
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-ink-muted);
}

.task-footer-agent {
  display: flex;
  align-items: center;
  gap: 6px;
}

.task-footer-agent svg {
  color: var(--color-burgundy);
}

.task-footer-lines {
  display: flex;
  align-items: center;
  gap: 8px;
}

.task-lines-added {
  color: var(--color-olive);
}

.task-lines-removed {
  color: var(--color-burgundy);
}

/* Agent Card Row */
.vis-agent-card {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-ink);
  border-radius: 4px;
  background-color: rgba(28, 27, 25, 0.01);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transition: all var(--transition-medium);
}

.vis-agent-card.active {
  background-color: rgba(194, 89, 63, 0.03);
  border-color: var(--color-olive);
}

.agent-card-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.agent-avatar {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.agent-avatar.bg-burgundy {
  background-color: var(--color-burgundy);
  color: #FAF8F5;
}

.agent-avatar.bg-terracotta {
  background-color: var(--color-terracotta);
  color: #FAF8F5;
}

.agent-avatar.bg-olive {
  background-color: var(--color-olive);
  color: #FAF8F5;
}

.agent-info {
  display: flex;
  flex-direction: column;
}

.agent-name-row {
  font-weight: 600;
  color: var(--text-ink);
  display: flex;
  align-items: center;
  gap: 6px;
}

.agent-model-tag {
  font-size: 0.6rem;
  opacity: 0.5;
  font-weight: 400;
}

.agent-msg {
  font-size: 0.65rem;
  color: var(--text-ink-muted);
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.agent-badge-status {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.agent-badge-status.active {
  background-color: rgba(194, 89, 63, 0.1);
  color: var(--color-terracotta);
  animation: pulsePulse 1.5s infinite ease-in-out;
}

.agent-badge-status.idle {
  background-color: var(--border-ink);
  color: var(--text-ink-muted);
}

/* Right Column: Console UI */
.vis-right-col {
  background-color: #1A1918;
  border: 1px solid rgba(250, 248, 245, 0.08);
  border-radius: 6px;
  padding: 2rem;
  color: #EAE6DF;
  display: flex;
  flex-direction: column;
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

[data-theme="dark"] .vis-right-col {
  background-color: #0E0E0E;
  border-color: rgba(250, 248, 245, 0.05);
}

.console-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(234, 230, 223, 0.08);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #9A968F;
}

.console-branch {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #FAF8F5;
}

.console-status-flag {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: #0E0E0E;
  border: 1px solid rgba(234, 230, 223, 0.08);
  padding: 3px 8px;
  border-radius: 2px;
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-olive);
  animation: pulsePulse 1.5s infinite ease-in-out;
}

.console-phase-header {
  margin-bottom: 1.5rem;
}

.console-phase-step {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
  margin-bottom: 0.25rem;
}

.console-phase-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: #FAF8F5;
  line-height: 1.3;
}

.console-terminal-screen {
  position: relative;
  background-color: #0C0B0A;
  border: 1px solid rgba(234, 230, 223, 0.08);
  border-radius: 4px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  overflow-x: auto;
  min-height: 240px;
  max-height: 320px;
  margin-bottom: 1.5rem;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
}

.terminal-badge {
  position: absolute;
  right: 12px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  color: #4C4B48;
  font-weight: 700;
  letter-spacing: 0.1em;
  pointer-events: none;
}

.terminal-pre {
  white-space: pre-wrap;
  color: #D2CEC8;
}

.terminal-line-added {
  color: #34D399;
  background-color: rgba(52, 211, 153, 0.08);
  border-left: 2px solid #10B981;
  padding-left: 4px;
  margin: 1px 0;
}

.terminal-line-removed {
  color: #F87171;
  background-color: rgba(248, 113, 113, 0.08);
  border-left: 2px solid #EF4444;
  padding-left: 4px;
  text-decoration: line-through;
  margin: 1px 0;
}

.terminal-line-cmd {
  color: #E87A60;
  font-weight: 600;
}

.terminal-line-normal {
  color: #A09D96;
}

.console-lifecycle-tracker {
  border-top: 1px solid rgba(234, 230, 223, 0.08);
  padding-top: 1.25rem;
  margin-top: auto;
}

.lifecycle-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #6C6B67;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 1rem;
}

.lifecycle-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.lifecycle-step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lifecycle-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #2C2B29;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-medium);
}

.lifecycle-dot.active {
  background-color: var(--color-terracotta);
  box-shadow: 0 0 8px rgba(194, 89, 63, 0.4);
  transform: scale(1.1);
}

.lifecycle-dot.past {
  background-color: var(--color-olive);
}

.lifecycle-dot svg {
  color: #FAF8F5;
}

.lifecycle-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: #6C6B67;
  display: block;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.lifecycle-label.active {
  color: #FAF8F5;
}

.lifecycle-label.past {
  color: rgba(234, 230, 223, 0.7);
}

.lifecycle-desc {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: #5C5B57;
  text-align: center;
  margin-top: 2px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 576px) {
  .lifecycle-desc {
    display: none;
  }
}

/* Visualizer Footer */
.vis-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-ink);
  padding-top: 1.25rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-ink-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.vis-footer-text {
  display: flex;
  align-items: center;
  gap: 6px;
}

.vis-footer-text svg {
  color: var(--color-burgundy);
}

.vis-footer-version {
  color: var(--text-ink-muted);
  opacity: 0.7;
}

/* ==========================================================================
   Section 04 - The Blueprint (Pillars Grid)
   ========================================================================== */
.blueprint-section {
  padding: 100px 0;
}

.blueprint-header {
  grid-column: span 12;
  margin-bottom: 2rem;
}

.blueprint-header h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
}

.blueprint-header h2 span {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--color-burgundy);
}

.blueprint-cols {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (max-width: 992px) {
  .blueprint-cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .blueprint-cols {
    grid-template-columns: 1fr;
  }
}

.blueprint-card {
  border: 1px solid var(--border-ink);
  padding: 2.5rem 1.8rem;
  background-color: var(--bg-paper);
  transition: all var(--transition-medium);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-top: 3px solid var(--border-ink);
}

.blueprint-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px var(--shadow-color);
  border-top-color: var(--color-burgundy);
}

.blueprint-card:nth-child(2):hover {
  border-top-color: var(--color-terracotta);
}

.blueprint-card:nth-child(3):hover {
  border-top-color: var(--color-olive);
}

.blueprint-card:nth-child(4):hover {
  border-top-color: var(--text-ink);
}

.blueprint-card-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1;
  font-style: italic;
  color: var(--color-terracotta);
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 1rem;
}

.blueprint-card-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-ink);
}

.blueprint-card-text {
  font-size: 0.95rem;
  color: var(--text-ink-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   Section 04 - Curated Case Studies (Alternating Grid Layouts)
   ========================================================================== */
.cases-section {
  padding: 100px 0;
}

.cases-header {
  grid-column: span 12;
  margin-bottom: 3rem;
}

.cases-header h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
}

.cases-header h2 span {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--color-terracotta);
}

.case-study-item {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3rem;
  align-items: center;
  margin-bottom: 8rem;
}

.case-study-item:last-child {
  margin-bottom: 2rem;
}

@media (max-width: 992px) {
  .case-study-item {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
  }
}

.case-text-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.case-study-item:nth-child(even) .case-text-block {
  grid-column: 7 / span 6;
}

.case-study-item:nth-child(even) .case-visual-block {
  grid-column: 1 / span 5;
  grid-row: 1;
}

.case-study-item:nth-child(odd) .case-text-block {
  grid-column: 1 / span 6;
}

.case-study-item:nth-child(odd) .case-visual-block {
  grid-column: 7 / span 6;
}

@media (max-width: 992px) {
  .case-study-item:nth-child(even) .case-text-block,
  .case-study-item:nth-child(even) .case-visual-block,
  .case-study-item:nth-child(odd) .case-text-block,
  .case-study-item:nth-child(odd) .case-visual-block {
    grid-column: auto !important;
    grid-row: auto !important;
  }
}

.case-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.case-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  color: var(--text-ink);
  font-weight: 500;
}

.case-headline em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-burgundy);
  font-weight: 400;
}

.case-description {
  font-size: 1rem;
  color: var(--text-ink-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.case-visual-block {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background-color: var(--bg-paper-darker);
  border: 1px solid var(--border-ink);
  padding: 2.5rem;
  box-shadow: 0 12px 30px var(--shadow-color);
  transition: transform var(--transition-slow), border-color var(--transition-medium);
}

.case-visual-block:hover {
  transform: translateY(-5px);
  border-color: var(--border-ink-strong);
}

.case-illustration-wrapper {
  width: 100%;
  height: 140px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.case-svg {
  max-width: 100%;
  height: auto;
}

.case-stats-row {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--border-ink);
  padding-top: 1.5rem;
}

@media (max-width: 576px) {
  .case-stats-row {
    flex-direction: column;
    gap: 1rem;
  }
}

.case-stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-stat-val {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-burgundy);
}

.case-study-item:nth-child(even) .case-stat-val {
  color: var(--color-terracotta);
}

.case-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-ink-muted);
  line-height: 1.3;
}

/* ==========================================================================
   Section 05 - The Technical Compendium (Comparison Table)
   ========================================================================== */
.compendium-section {
  padding: 100px 0;
  background-color: var(--bg-paper);
}

.compendium-header {
  grid-column: span 12;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid var(--border-ink-strong);
  padding-bottom: 1rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .compendium-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

.compendium-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

.compendium-header-sub {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-olive);
  letter-spacing: 0.1em;
}

.compendium-table-wrapper {
  grid-column: span 12;
  overflow-x: auto;
}

.compendium-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compendium-table th, .compendium-table td {
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--border-ink);
  font-family: var(--font-sans);
}

.compendium-table th {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-ink);
}

.compendium-table th:first-child {
  width: 35%;
}

.compendium-table th:nth-child(2) {
  width: 30%;
  color: var(--text-ink-muted);
}

.compendium-table th:nth-child(3) {
  width: 35%;
  background-color: rgba(194, 89, 63, 0.03);
  border-left: 1px solid var(--border-ink);
  border-right: 1px solid var(--border-ink);
  border-top: 1px solid var(--border-ink);
  color: var(--color-burgundy);
}

.compendium-table td {
  font-size: 0.95rem;
  color: var(--text-ink-muted);
}

.compendium-table td strong {
  font-size: 1rem;
}

.compendium-table td:nth-child(3) {
  background-color: rgba(194, 89, 63, 0.03);
  border-left: 1px solid var(--border-ink);
  border-right: 1px solid var(--border-ink);
  color: var(--text-ink);
  font-weight: 400;
}

.compendium-table tr:last-child td:nth-child(3) {
  border-bottom: 1px solid var(--border-ink);
}

.table-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  text-align: center;
  line-height: 18px;
  font-size: 0.7rem;
  font-weight: bold;
}

.table-icon.check {
  background-color: rgba(77, 93, 77, 0.12);
  color: var(--color-olive);
}

.table-icon.cross {
  background-color: rgba(194, 89, 63, 0.12);
  color: var(--color-terracotta);
}

/* ==========================================================================
   Section 06 - The Architect's Dialogue (Q&A Briefing)
   ========================================================================== */
.dialogue-section {
  padding: 100px 0;
  border-top: 1px solid var(--border-ink);
}

.dialogue-intro-col {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .dialogue-intro-col {
    grid-column: 1;
  }
}

.dialogue-intro-col h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
}

.dialogue-intro-col h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-olive);
}

.dialogue-qas-col {
  grid-column: 5 / span 8;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (max-width: 992px) {
  .dialogue-qas-col {
    grid-column: 1;
  }
}

.qa-block {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 2rem;
}

.qa-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.qa-question {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--text-ink);
}

.qa-answer {
  font-size: 1rem;
  color: var(--text-ink-muted);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Section 07 - The Invitation (CTA / Form)
   ========================================================================== */
.invitation-section {
  padding: 120px 0;
  background-color: var(--color-burgundy);
  color: #FAF8F5;
  border-top: 1px solid var(--border-ink);
  text-align: center;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .invitation-section {
  background-color: var(--bg-paper-darker);
  color: var(--text-ink);
}

.invitation-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='10' y1='0' x2='10' y2='100' stroke='rgba(250, 248, 245, 0.03)' stroke-width='0.5'/%3E%3Cline x1='50' y1='0' x2='50' y2='100' stroke='rgba(250, 248, 245, 0.03)' stroke-width='0.5'/%3E%3Cline x1='90' y1='0' x2='90' y2='100' stroke='rgba(250, 248, 245, 0.03)' stroke-width='0.5'/%3E%3C/svg%3E");
  pointer-events: none;
}

[data-theme="dark"] .invitation-section::before {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='10' y1='0' x2='10' y2='100' stroke='rgba(250, 248, 245, 0.07)' stroke-width='0.5'/%3E%3Cline x1='50' y1='0' x2='50' y2='100' stroke='rgba(250, 248, 245, 0.07)' stroke-width='0.5'/%3E%3Cline x1='90' y1='0' x2='90' y2='100' stroke='rgba(250, 248, 245, 0.07)' stroke-width='0.5'/%3E%3C/svg%3E");
}

.invitation-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.invitation-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

[data-theme="dark"] .invitation-kicker {
  color: var(--color-terracotta);
}

.invitation-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  line-height: 1.1;
  color: inherit;
}

.invitation-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
}

.invitation-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  line-height: 1.5;
  max-width: 90%;
  color: rgba(250, 248, 245, 0.8);
}

[data-theme="dark"] .invitation-subtitle {
  color: var(--text-ink-muted);
}

.invitation-form {
  width: 100%;
  max-width: 550px;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  border-bottom: 2px solid rgba(250, 248, 245, 0.3);
  padding-bottom: 8px;
  transition: border-color var(--transition-fast);
}

[data-theme="dark"] .form-group {
  border-bottom-color: var(--border-ink-strong);
}

.form-group:focus-within {
  border-color: #FAF8F5;
}

[data-theme="dark"] .form-group:focus-within {
  border-color: var(--color-burgundy);
}

.form-input {
  background: none;
  border: none;
  color: inherit;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  text-align: center;
  padding: 8px;
  outline: none;
}

.form-input::placeholder {
  color: rgba(250, 248, 245, 0.4);
  font-style: italic;
}

[data-theme="dark"] .form-input::placeholder {
  color: var(--text-ink-muted);
}

.btn-submit {
  align-self: center;
  background-color: #FAF8F5;
  color: var(--color-burgundy);
  border: 1px solid #FAF8F5;
  padding: 14px 40px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  border-radius: 0;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .btn-submit {
  background-color: var(--text-ink);
  color: var(--bg-paper);
  border-color: var(--text-ink);
}

.btn-submit:hover {
  background-color: transparent;
  color: #FAF8F5;
}

[data-theme="dark"] .btn-submit:hover {
  background-color: transparent;
  color: var(--text-ink);
}

.form-feedback {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-olive);
  opacity: 0;
  height: 18px;
  transition: opacity var(--transition-fast);
}

.form-feedback.visible {
  opacity: 1;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.editorial-footer {
  padding: 80px 0;
  border-top: 1px solid var(--border-ink);
  background-color: var(--bg-paper);
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
}

.footer-logo span {
  font-weight: 300;
  color: var(--color-terracotta);
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-ink-muted);
  line-height: 1.5;
  margin: 0;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-ink-muted);
}

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

.footer-bottom {
  margin-top: 4rem;
  border-top: 1px solid var(--border-ink);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-ink-muted);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}