/* ============================================================
   Strategic Architect Framework (SAF): styles.css
   Microsoft CSA Training Program
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --bg-primary:      #0B1629;
  --bg-secondary:    #111F38;
  --bg-card:         #162040;
  --bg-card-hover:   #1A2A4E;

  --border-color:    #1E3A5F;

  --text-primary:    #EEF2F7;
  --text-secondary:  #8FA3BF;
  --text-muted:      #5C7A99;

  --accent:          #0078D4;
  --accent-hover:    #106EBE;
  --accent-light:    #4DA3E8;

  --success-text:    #40C040;
  --success-bg:      rgba(16, 124, 16, 0.18);
  --success-border:  rgba(64, 192, 64, 0.35);

  --warning-text:    #FFAA33;
  --warning-bg:      rgba(255, 140, 0, 0.15);
  --warning-border:  rgba(255, 170, 51, 0.35);

  --danger-text:     #FF6B6B;
  --danger-bg:       rgba(197, 15, 31, 0.15);
  --danger-border:   rgba(255, 107, 107, 0.35);

  --purple-text:     #C060E0;
  --purple-bg:       rgba(180, 0, 212, 0.15);
  --purple-border:   rgba(192, 96, 224, 0.35);

  --font:       'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  --r-sm:  4px;
  --r-md:  8px;
  --r-lg:  12px;
  --r-xl:  16px;

  --shadow:    0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

  --ease: all 0.18s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: var(--ease); }
a:hover { color: var(--accent-light); }
ul, ol { list-style: none; }
button { font-family: var(--font); }
img { max-width: 100%; display: block; }

/* ---- Typography ---- */
h1 { font-size: 2.2rem;  font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 1.7rem;  font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; }
h4 { font-size: 1.05rem; font-weight: 600; line-height: 1.4; }
h5 { font-size: 0.9rem;  font-weight: 600; line-height: 1.4; }
p  { margin-bottom: 0.75rem; }
p:last-child { margin-bottom: 0; }

/* ---- Layout ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Site Header ---- */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 200;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.site-logo span { color: var(--accent-light); }
.site-nav { display: flex; gap: 1.5rem; align-items: center; }
.site-nav a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--text-primary); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--r-md);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--ease);
  text-decoration: none;
  font-family: var(--font);
  line-height: 1;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--accent);
}
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.82rem; }

/* ---- Hero (Homepage) ---- */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  background: linear-gradient(155deg, #0B1629 0%, #0E2245 50%, #0B1629 100%);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,120,212,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(0,120,212,0.12);
  border: 1px solid rgba(0,120,212,0.28);
  color: var(--accent-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.32rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.4rem;
}
.hero h1 { max-width: 680px; margin: 0 auto 1rem; }
.hero h1 .accent { color: var(--accent-light); }
.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 1.75rem;
}
.hero-north-star {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,120,212,0.08);
  border: 1px solid rgba(0,120,212,0.22);
  border-radius: var(--r-lg);
  padding: 0.65rem 1.4rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
}
.hero-north-star .ns-label { color: var(--text-muted); font-size: 0.75rem; }
.hero-north-star strong { color: var(--accent-light); }
.hero-actions {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}
.home-mastery {
  width: min(420px, 100%);
  margin: 1.35rem auto 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  background: rgba(11, 22, 41, 0.72);
  border-radius: var(--r-md);
  text-align: left;
}
.home-mastery strong { display: block; font-size: 0.8rem; margin-bottom: 0.45rem; }
.home-mastery span { display: block; color: var(--text-muted); font-size: 0.68rem; margin-top: 0.4rem; }

/* ---- Section Wrappers ---- */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title  { font-size: 1.8rem; margin-bottom: 0.5rem; }
.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ---- Module Grid (Homepage) ---- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.1rem;
}
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  transition: var(--ease);
  position: relative;
  overflow: hidden;
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: var(--ease);
}
.module-card:hover {
  border-color: rgba(0,120,212,0.5);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.module-card:hover::before { opacity: 1; }
.module-card a { display: block; color: inherit; text-decoration: none; }
.module-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.module-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
  line-height: 1.35;
}
.module-question {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.module-metric-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.18rem 0.55rem;
  border-radius: 2rem;
}
.badge-discovery { background: var(--success-bg);  color: var(--success-text); border: 1px solid var(--success-border); }
.badge-jargon    { background: var(--warning-bg);  color: var(--warning-text); border: 1px solid var(--warning-border); }
.badge-consensus { background: rgba(0,120,212,0.15); color: var(--accent-light); border: 1px solid rgba(0,120,212,0.3); }
.badge-capstone  { background: var(--purple-bg);   color: var(--purple-text);  border: 1px solid var(--purple-border); }

/* ---- Metrics Section ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}
.metric-explain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.75rem;
}
.metric-explain-card .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
  border-radius: 2rem;
  margin-bottom: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.metric-explain-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.metric-explain-card p  { font-size: 0.865rem; color: var(--text-secondary); margin: 0; }

/* ---- Learning Paths ---- */
.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.4rem;
}
.path-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 2rem;
}
.path-card h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.path-audience {
  font-size: 0.82rem;
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 0.9rem;
}
.path-card > p { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 1.2rem; }
.path-steps { display: flex; flex-direction: column; gap: 0.45rem; }
.path-step {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
}
.path-step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ---- Quick Start ---- */
.quickstart {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 2rem;
}
.quickstart h3 { margin-bottom: 1.25rem; }
.qs-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.9rem;
  counter-reset: qs;
}
.qs-step {
  counter-increment: qs;
  position: relative;
  padding: 1rem 1rem 1rem 2.9rem;
  background: var(--bg-card);
  border-radius: var(--r-md);
}
.qs-step::before {
  content: counter(qs);
  position: absolute;
  left: 0.7rem; top: 1rem;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.qs-step h5 { font-size: 0.85rem; margin-bottom: 0.2rem; }
.qs-step p  { font-size: 0.78rem; color: var(--text-secondary); margin: 0; }

/* ---- Module Page Hero ---- */
.module-hero {
  background: linear-gradient(155deg, #0B1629 0%, #0E2245 60%, #0B1629 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 2.75rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.module-hero::before {
  content: '';
  position: absolute;
  top: -30%; right: -8%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,120,212,0.05) 0%, transparent 65%);
  pointer-events: none;
}
.breadcrumb {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  display: flex; align-items: center; gap: 0.45rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .sep { opacity: 0.4; }
.module-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,120,212,0.12);
  border: 1px solid rgba(0,120,212,0.28);
  color: var(--accent-light);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.85rem;
  border-radius: 2rem;
  margin-bottom: 0.65rem;
}
.module-hero h1 { font-size: 1.9rem; margin-bottom: 0.65rem; }
.core-question {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-style: italic;
  max-width: 580px;
  margin-bottom: 1.4rem;
  line-height: 1.55;
}
.core-question::before { content: '\201C'; color: var(--accent-light); }
.core-question::after  { content: '\201D'; color: var(--accent-light); }
.module-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.28rem 0.7rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ---- Tab Navigation ---- */
.tab-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 57px;
  z-index: 100;
}
.tab-nav .container {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-nav .container::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 0.95rem 1.4rem;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--ease);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.025); }
.tab-btn.active { color: var(--accent-light); border-bottom-color: var(--accent); font-weight: 600; }

/* ---- Tab Panels ---- */
.tab-panel { display: none; padding: 2.5rem 0; }
.tab-panel.active { display: block; }

/* ---- Overview Tab ---- */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.4rem;
}
.info-card-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.9rem;
}
.arrow-list { display: flex; flex-direction: column; gap: 0.45rem; }
.arrow-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.5;
}
.arrow-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1.35;
}
.outcomes-list { display: flex; flex-direction: column; gap: 0.5rem; }
.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
  font-size: 0.865rem;
  line-height: 1.45;
}
.outcome-check {
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success-text);
  font-size: 0.65rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.65rem;
}
.file-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--r-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
  min-width: 0;
  overflow-wrap: anywhere;
}
a.file-chip {
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
a.file-chip:hover {
  border-color: var(--accent);
  background: var(--bg-hover, #f0f4ff);
  color: var(--accent);
}
.file-icon { color: var(--accent); font-size: 0.85rem; }

/* ---- Learn Tab: Framework Cards ---- */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.1rem;
}
.framework-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  transition: var(--ease);
  position: relative;
  overflow: hidden;
}
.framework-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--ease);
}
.framework-card:hover {
  border-color: rgba(0,120,212,0.45);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.framework-card:hover::after { opacity: 1; }
.framework-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(0,120,212,0.1);
  border: 1px solid rgba(0,120,212,0.2);
  padding: 0.18rem 0.55rem;
  border-radius: 2rem;
  margin-bottom: 0.65rem;
}
.framework-card h3 { font-size: 1rem; margin-bottom: 0.55rem; }
.framework-card p  { font-size: 0.855rem; color: var(--text-secondary); margin: 0; line-height: 1.65; }

/* ---- Practice Tab: Exercise Accordions ---- */
.exercise-list { display: flex; flex-direction: column; gap: 1.1rem; }
.exercise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.exercise-header {
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  cursor: pointer;
  user-select: none;
  transition: var(--ease);
}
.exercise-header:hover { background: var(--bg-card-hover); }
.exercise-num {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.exercise-title-group { flex: 1; }
.exercise-title-group h4 { font-size: 0.975rem; margin-bottom: 0.1rem; }
.exercise-duration { font-size: 0.76rem; color: var(--text-muted); }
.exercise-chevron { color: var(--text-muted); font-size: 1rem; transition: transform 0.2s ease; }
.exercise-card.open .exercise-chevron { transform: rotate(180deg); }
.exercise-body {
  display: none;
  padding: 0 1.4rem 1.4rem;
  border-top: 1px solid var(--border-color);
}
.exercise-card.open .exercise-body { display: block; }
.exercise-body p { font-size: 0.875rem; color: var(--text-secondary); margin: 1rem 0 0.75rem; }
.exercise-body ol,
.exercise-body ul { margin-left: 1.3rem; display: flex; flex-direction: column; gap: 0.45rem; }
.exercise-body ol { list-style: decimal; }
.exercise-body ul { list-style: disc; }
.exercise-body li { font-size: 0.855rem; color: var(--text-secondary); line-height: 1.55; }
.exercise-body strong { color: var(--text-primary); }
.exercise-prompt {
  background: rgba(0,120,212,0.07);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 0.9rem 1.1rem;
  font-size: 0.855rem;
  color: var(--text-secondary);
  margin-top: 0.9rem;
  font-style: italic;
  line-height: 1.6;
}
.exercise-prompt strong { color: var(--accent-light); font-style: normal; }

/* ---- Assess Tab: Rubric ---- */
.rubric-intro {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  margin-bottom: 1.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.rubric-intro strong { color: var(--text-primary); }
.rubric-table {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 1.4rem;
}
.rubric-row {
  border-bottom: 1px solid var(--border-color);
  padding: 1.1rem 1.4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  transition: background 0.15s ease;
}
.rubric-row:last-child { border-bottom: none; }
.rubric-row:hover { background: rgba(255,255,255,0.015); }
.rubric-indicator { font-size: 0.875rem; line-height: 1.45; }
.indicator-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }
.rubric-rating {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}
.rating-btn {
  padding: 0.28rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 2rem;
  cursor: pointer;
  border: 1px solid;
  transition: var(--ease);
  background: transparent;
  white-space: nowrap;
}
.rating-btn.ready    { color: var(--success-text); border-color: var(--success-border); }
.rating-btn.devel    { color: var(--warning-text); border-color: var(--warning-border); }
.rating-btn.notyet   { color: var(--danger-text);  border-color: var(--danger-border); }
.rating-btn.ready.selected,  .rating-btn.ready:hover  { background: var(--success-bg); border-color: var(--success-text); }
.rating-btn.devel.selected,  .rating-btn.devel:hover  { background: var(--warning-bg); border-color: var(--warning-text); }
.rating-btn.notyet.selected, .rating-btn.notyet:hover { background: var(--danger-bg);  border-color: var(--danger-text); }
.rubric-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
#rubric-save-status { font-size: 0.82rem; color: var(--text-muted); font-style: italic; }
#rubric-save-status.saved { color: var(--success-text); font-style: normal; }

/* ---- Module Navigation Footer ---- */
.module-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.15rem 0;
  margin-top: 3rem;
}
.module-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.mod-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.845rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.55rem 0.95rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border-color);
  transition: var(--ease);
  min-width: 130px;
}
.mod-nav-btn:hover { color: var(--accent-light); border-color: var(--accent); background: rgba(0,120,212,0.05); }
.mod-nav-btn.disabled { opacity: 0.25; pointer-events: none; }
.mod-nav-btn.next    { justify-content: flex-end; text-align: right; }
.mod-nav-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.mod-nav-home {
  font-size: 0.845rem;
  color: var(--text-secondary);
  padding: 0.55rem 0.95rem;
  border-radius: var(--r-md);
  border: 1px solid var(--border-color);
  transition: var(--ease);
}
.mod-nav-home:hover { color: var(--accent-light); border-color: var(--accent); }
.mod-progress { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; }
.mod-progress-text { font-size: 0.72rem; color: var(--text-muted); }
.progress-track {
  width: 120px; height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ---- Divider ---- */
hr { border: none; border-top: 1px solid var(--border-color); margin: 2rem 0; }

/* ---- Notice / Callout ---- */
.notice {
  background: rgba(0,120,212,0.07);
  border: 1px solid rgba(0,120,212,0.2);
  border-radius: var(--r-md);
  padding: 1rem 1.2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.notice strong { color: var(--accent-light); }
.notice-capstone {
  background: var(--purple-bg);
  border-color: var(--purple-border);
}
.notice-capstone strong { color: var(--purple-text); }

/* ---- Site Footer ---- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.75rem 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================================
   ENHANCED CONTENT COMPONENTS: added in v1.1
   ============================================================ */

/* ---- "What's New" Badge in Hero ---- */
.whats-new-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 0.45rem 0.9rem;
  background: rgba(0, 120, 212, 0.12);
  border: 1px solid rgba(77, 163, 232, 0.4);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--accent-light);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.whats-new-badge::before {
  content: "NEW";
  display: inline-block;
  padding: 0.1rem 0.45rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  border-radius: 4px;
  letter-spacing: 0.06em;
}

/* ---- Featured Scenarios Section (Homepage) ---- */
.featured-scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.featured-scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.4rem;
  transition: var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.featured-scenario-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  opacity: 0.6;
}
.featured-scenario-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.featured-scenario-card:hover::before { opacity: 1; }
.fs-module-tag {
  font-size: 0.7rem;
  color: var(--accent-light);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.fs-customer {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}
.fs-hook {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.fs-cta {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-light);
  font-weight: 600;
}

/* ---- Scenarios Tab Cards ---- */
.scenarios-intro {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.scenario-card.capstone-scenario {
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, rgba(0, 120, 212, 0.08) 0%, var(--bg-card) 100%);
  position: relative;
}
.scenario-card.capstone-scenario::before {
  content: "CAPSTONE SCENARIO";
  position: absolute;
  top: -0.6rem;
  left: 1.25rem;
  background: var(--accent);
  color: #fff;
  padding: 0.2rem 0.65rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 4px;
}
.scenario-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}
.scenario-customer {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}
.scenario-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}
.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-left: auto;
}
.framework-tag-pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: rgba(0, 120, 212, 0.15);
  border: 1px solid rgba(77, 163, 232, 0.35);
  color: var(--accent-light);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.scenario-section {
  margin-top: 0.9rem;
}
.scenario-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.scenario-section p {
  font-size: 0.93rem;
  color: var(--text-primary);
  line-height: 1.6;
}
.scenario-outcome {
  margin-top: 0.9rem;
  padding: 0.75rem 1rem;
  background: var(--success-bg);
  border-left: 3px solid var(--success-text);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.scenario-outcome .scenario-section-label { color: var(--success-text); }
.scenario-outcome p { font-size: 0.9rem; }

/* ---- Common Misconceptions (Overview) ---- */
.misconceptions-card {
  margin-top: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--warning-text);
  border-radius: var(--r-md);
  padding: 1.25rem 1.4rem;
}
.misconceptions-card h4 {
  color: var(--warning-text);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.misconceptions-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.misconceptions-list li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.4rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  border-bottom: 1px dashed rgba(255, 170, 51, 0.15);
}
.misconceptions-list li:last-child { border-bottom: none; }
.misconceptions-list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  top: 0.45rem;
  color: var(--warning-text);
  font-weight: 700;
  font-size: 0.85rem;
}
.misconceptions-list strong { color: var(--text-primary); display: block; margin-bottom: 0.1rem; }

/* ---- Where This Gets Used (Overview) ---- */
.where-used-card {
  margin-top: 1.25rem;
}
.diagram-comparison {
  margin-top: 1.25rem;
  padding: 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-lg);
}
.diagram-comparison-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.diagram-comparison-header p { color: var(--text-secondary); font-size: 0.86rem; }
.diagram-comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.diagram-comparison-grid figure {
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--r-md);
  background: var(--bg-secondary);
}
.diagram-comparison-grid img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  background: #fff;
  border-bottom: 1px solid var(--border-color);
}
.diagram-comparison-grid figcaption { padding: 0.75rem 0.85rem 0.3rem; color: var(--text-secondary); font-size: 0.8rem; }
.diagram-source-link { display: inline-block; margin: 0 0.85rem 0.8rem; font-size: 0.76rem; font-weight: 600; }
.where-used-card .info-card-label { color: var(--accent-light); }
.where-used-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-top: 0.6rem;
}
.where-used-item {
  background: rgba(0, 120, 212, 0.06);
  border: 1px solid var(--border-color);
  border-radius: var(--r-md);
  padding: 0.85rem 1rem;
}
.where-used-item h5 {
  color: var(--accent-light);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.where-used-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* ---- Enhanced Framework Cards (Learn) ---- */
.framework-card .fw-section {
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-color);
}
.framework-card .fw-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.25rem;
  display: block;
}
.framework-card .fw-section p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* ---- Practice "View Example" Toggle ---- */
.example-toggle {
  margin-top: 0.85rem;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent-light);
  padding: 0.45rem 0.95rem;
  border-radius: var(--r-md);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--ease);
}
.example-toggle:hover {
  background: rgba(0, 120, 212, 0.12);
  color: #fff;
}
.example-toggle::before {
  content: "▸ ";
  display: inline-block;
  margin-right: 0.25rem;
  transition: transform 0.2s ease;
}
.example-toggle.open::before { content: "▾ "; }

.example-box {
  display: none;
  margin-top: 0.85rem;
  padding: 1rem 1.2rem;
  background: rgba(0, 120, 212, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.example-box.open { display: block; }
.example-box .example-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.4rem;
  display: block;
}
.example-box p {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 0.6rem;
}
.example-box p:last-child { margin-bottom: 0; }
.example-box em { color: var(--accent-light); font-style: normal; font-weight: 600; }
.example-box h6 {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
}
.example-box ol,
.example-box ul {
  margin: 0 0 0.7rem 1.2rem;
  padding: 0;
}
.example-box li {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 0.45rem;
}
.example-box li strong { color: var(--accent-light); }
.example-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 0.85rem;
  font-size: 0.82rem;
}
.example-table th,
.example-table td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  color: var(--text-primary);
  line-height: 1.5;
}
.example-table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-light);
  font-weight: 700;
  background: rgba(0, 120, 212, 0.08);
}

/* ---- Calibration Notes (Assess) ---- */
.calibration-notes {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--r-md);
  overflow: hidden;
}
.calibration-toggle {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1rem 1.25rem;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--ease);
}
.calibration-toggle:hover { background: var(--bg-card-hover); }
.calibration-toggle .cal-icon {
  font-size: 0.85rem;
  color: var(--accent-light);
  transition: transform 0.2s ease;
}
.calibration-notes.open .calibration-toggle .cal-icon { transform: rotate(180deg); }
.calibration-body {
  display: none;
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--border-color);
}
.calibration-notes.open .calibration-body { display: block; padding-top: 1rem; }
.calibration-body h5 {
  color: var(--accent-light);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin: 0.85rem 0 0.4rem;
  text-transform: uppercase;
}
.calibration-body h5:first-child { margin-top: 0; }
.calibration-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}
.calibration-body strong { color: var(--text-primary); }
.calibration-body ol,
.calibration-body ul {
  margin: 0.5rem 0 0.85rem 1.2rem;
  padding: 0;
}
.calibration-body li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.55rem;
}
.calibration-body li strong { color: var(--text-primary); }
.calibration-rule {
  margin-top: 0.85rem;
  padding: 0.7rem 0.9rem;
  background: rgba(255, 196, 0, 0.07);
  border-left: 3px solid #f5b400;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.86rem;
  color: var(--text-primary);
}

/* ---- Responsive additions ---- */
@media (max-width: 768px) {
  .scenario-tags { margin-left: 0; }
  .scenario-header { flex-direction: column; align-items: flex-start; }
  .featured-scenarios-grid { grid-template-columns: 1fr; }
  .where-used-grid { grid-template-columns: 1fr; }
  .tab-nav { overflow: hidden; }
  .files-grid { grid-template-columns: minmax(0, 1fr); }
  main.container,
  .tab-panel,
  .info-card { min-width: 0; }
  .module-hero h1 { overflow-wrap: anywhere; }
  .diagram-comparison-header { display: block; }
  .diagram-comparison-header .btn { margin-top: 0.75rem; }
  .diagram-comparison-grid { grid-template-columns: 1fr; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero h1 { font-size: 1.9rem; }
  .hero-tagline { font-size: 1rem; }
  .section { padding: 2.5rem 0; }
  .module-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
  .framework-grid { grid-template-columns: 1fr; }
  .module-hero { padding: 2rem 0 1.5rem; }
  .module-hero h1 { font-size: 1.55rem; }
  .rubric-row { grid-template-columns: 1fr; gap: 0.65rem; }
  .rubric-rating { justify-content: flex-start; }
  .tab-btn { padding: 0.8rem 1rem; font-size: 0.82rem; }
  .mod-nav-btn { min-width: auto; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .module-footer .container { flex-wrap: wrap; justify-content: center; }
}

/* ============================================================
   INTERACTIVE LEARNING LAB: field simulations and mastery
   ============================================================ */
.learning-lab { min-height: 620px; }
.lab-kicker {
  color: var(--warning-text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}
.learning-lab > h2 { font-size: 1.8rem; margin-bottom: 0.45rem; }
.lab-intro { color: var(--text-secondary); max-width: 720px; margin-bottom: 1.6rem; }
.lab-tab::after {
  content: 'Live';
  margin-left: 0.5rem;
  padding: 0.08rem 0.36rem;
  border-radius: 3px;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: 1.2rem;
  align-items: stretch;
}
.simulator,
.knowledge-check {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.simulator {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0,120,212,0.12), transparent 48%), var(--bg-card);
}
.simulator::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--warning-text));
}
.sim-status { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.sim-status span,
.sim-status strong { font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.sim-status span { color: var(--success-text); }
.sim-status strong { color: var(--text-muted); }
.simulator h3 { max-width: 690px; margin-bottom: 1.2rem; font-size: 1.18rem; }
.sim-choices,
.quiz-options { display: flex; flex-direction: column; gap: 0.65rem; }
.decision-option,
.quiz-option {
  width: 100%;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--r-md);
  padding: 0.85rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
  line-height: 1.45;
}
.decision-option { display: flex; gap: 0.75rem; align-items: flex-start; }
.decision-option > span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border: 1px solid var(--accent);
  color: var(--accent-light);
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
}
.decision-option:hover:not(:disabled),
.quiz-option:hover { border-color: var(--accent-light); background: var(--bg-card-hover); transform: translateX(3px); }
.decision-option:disabled { cursor: default; opacity: 0.55; }
.decision-option.best-choice,
.quiz-option.correct { border-color: var(--success-text); background: var(--success-bg); opacity: 1; }
.decision-option.weak-choice,
.quiz-option.incorrect { border-color: var(--warning-text); background: var(--warning-bg); opacity: 1; }
.sim-feedback { display: none; margin-top: 1rem; padding: 1rem 1.1rem; border-radius: var(--r-md); }
.sim-feedback.visible { display: block; animation: reveal-up 0.35s ease both; }
.sim-feedback.score-2 { border: 1px solid var(--success-border); background: var(--success-bg); }
.sim-feedback.score-1,
.sim-feedback.score-0 { border: 1px solid var(--warning-border); background: var(--warning-bg); }
.sim-feedback strong { display: block; margin-bottom: 0.3rem; }
.sim-feedback p { color: var(--text-secondary); font-size: 0.88rem; }
.retry-btn {
  border: 0;
  background: transparent;
  color: var(--accent-light);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.knowledge-check h3 { font-size: 1rem; margin-bottom: 1rem; }
.quiz-option { font-size: 0.82rem; }
.quiz-result { min-height: 1.4rem; margin-top: 0.85rem; color: var(--text-secondary); font-size: 0.8rem; }
.mastery-strip {
  margin-top: 1.2rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--r-md);
  background: var(--bg-secondary);
  display: grid;
  grid-template-columns: 1fr minmax(180px, 330px);
  gap: 1rem;
  align-items: center;
}
.mastery-strip strong,
.mastery-strip span { display: block; }
.mastery-strip span { color: var(--text-muted); font-size: 0.76rem; margin-top: 0.15rem; }
.mastery-track { height: 7px; background: var(--border-color); overflow: hidden; border-radius: 4px; }
.mastery-track > div { width: 0; height: 100%; background: linear-gradient(90deg, var(--accent), var(--success-text)); transition: width 0.45s ease; }

@keyframes reveal-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.tab-panel.active,
.module-card,
.featured-scenario-card { animation: reveal-up 0.42s ease both; }
.module-card:nth-child(2n), .featured-scenario-card:nth-child(2n) { animation-delay: 60ms; }
.module-card:nth-child(3n) { animation-delay: 110ms; }
button:focus-visible,
a:focus-visible { outline: 3px solid var(--warning-text); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
@media (max-width: 800px) {
  .lab-layout { grid-template-columns: 1fr; }
  .mastery-strip { grid-template-columns: 1fr; }
}