/* ============================================================================
   teaching.css — Grammaire Teaching
   Pages: /teaching/
   Hero ambre + 3 piliers + cours structurés + Geopolitical Officer
   ============================================================================ */

/* ---------- HERO TEACHING (amber marker) ---------- */

.hero-editorial--teaching .h-display em {
  font-style: italic;
  color: var(--brand-quaternary);
  font-weight: 400;
}

.teaching-hero-proof {
  border-top: 3px solid var(--brand-quaternary);
  background: linear-gradient(135deg, rgba(212, 160, 23, 0.12), rgba(14, 15, 18, 0.78));
  border-left: 1px solid rgba(212, 160, 23, 0.18);
  padding: 28px;
  align-self: end;
}

.teaching-proof-kicker {
  font-family: var(--font-data, monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-quaternary);
  margin-bottom: 20px;
}

.teaching-proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.teaching-proof-item {
  border-top: 1px solid rgba(212, 160, 23, 0.24);
  padding-top: 14px;
}

.teaching-proof-item span {
  display: block;
  font-family: var(--font-data, monospace);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1;
  color: var(--color-text-primary);
}

.teaching-proof-item small {
  display: block;
  margin-top: 8px;
  font-family: var(--font-ui, Inter, sans-serif);
  font-size: 11px;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

.teaching-hero-proof p {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin: 0;
}

@media (max-width: 900px) {
  .teaching-hero-proof {
    align-self: stretch;
  }
}

@media (max-width: 480px) {
  .teaching-hero-proof {
    padding: 22px;
  }

  .teaching-proof-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- APPROCHE PÉDAGOGIQUE ---------- */

.teaching-approach {
  padding: 80px 40px;
  border-bottom: 1px solid var(--color-border-secondary);
}

.teaching-approach-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-approach .h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  margin: 16px 0 56px;
  max-width: 24ch;
}

.teaching-approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.teaching-pillar {
  padding-left: 24px;
  border-left: 3px solid var(--brand-quaternary);
}

.pillar-num {
  font-family: var(--font-data, monospace);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.teaching-pillar h3 {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  margin: 0 0 16px;
}

.teaching-pillar p {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin: 0;
}

@media (max-width: 900px) {
  .teaching-approach {
    padding: 48px 24px;
  }
  .teaching-approach-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- COURS & SÉMINAIRES ---------- */

.teaching-courses {
  padding: 80px 40px;
  border-bottom: 1px solid var(--color-border-secondary);
}

.teaching-courses-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-courses .h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  margin: 16px 0 64px;
  max-width: 30ch;
}

.teaching-category {
  margin-bottom: 64px;
}

.category-title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.25;
  font-weight: 500;
  color: var(--brand-quaternary);
  margin: 0 0 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-secondary);
}

.teaching-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border-tertiary);
}

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

.teaching-item-meta {
  font-family: var(--font-data, monospace);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.teaching-item h4 {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.25;
  margin: 0 0 16px;
}

.teaching-item p {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  max-width: 75ch;
  margin: 0 0 16px;
}

.teaching-item-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag--amber {
  color: var(--brand-quaternary);
  border-color: var(--brand-quaternary);
}

@media (max-width: 900px) {
  .teaching-courses {
    padding: 48px 24px;
  }
}

/* ---------- GEOPOLITICAL OFFICER ---------- */

.geopolitical-officer {
  padding: 120px 40px;
  background: var(--color-background-secondary);
  border-top: 4px solid var(--brand-quaternary);
}

.geopolitical-officer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.h-display-medium {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 400;
  margin: 24px 0 32px;
  max-width: 22ch;
  color: var(--color-text-primary);
}

.h-display-medium em {
  font-style: italic;
  color: var(--brand-quaternary);
  font-weight: 400;
}

.geopolitical-officer .standfirst {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 70ch;
  margin: 0 0 64px;
}

.officer-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.officer-module {
  padding: 24px;
  background: var(--color-background-tertiary);
  border-top: 2px solid var(--brand-quaternary);
}

.module-num {
  font-family: var(--font-data, monospace);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-quaternary);
  margin-bottom: 12px;
}

.officer-module h4 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.officer-module p {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin: 0;
}

.officer-cta {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.officer-formats {
  font-family: var(--font-data, monospace);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin: 0;
}

@media (max-width: 1100px) {
  .officer-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .geopolitical-officer {
    padding: 64px 24px;
  }
  .officer-modules-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- TEACHING LAB — démonstrateurs ---------- */

.card-note--featured {
  border-left: 3px solid var(--brand-quaternary, #D4A017);
  padding-left: 24px;
}

.card-note-tag--amber {
  color: var(--brand-quaternary, #D4A017);
  border-color: var(--brand-quaternary, #D4A017);
}

.tool-spec {
  margin: 16px 0;
  padding: 0;
}

.tool-spec div {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border-tertiary, rgba(27, 42, 74, 0.06));
  align-items: baseline;
}

.tool-spec div:last-child {
  border-bottom: none;
}

.tool-spec dt {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary, #5A6068);
  min-width: 90px;
  flex-shrink: 0;
}

.tool-spec dd {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-secondary, #5A6068);
  margin: 0;
}

.tool-pipeline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0 8px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border-tertiary, rgba(27, 42, 74, 0.06));
}

.pipeline-step {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-primary, #0E0F12);
  background: var(--color-background-secondary, rgba(27, 42, 74, 0.04));
  padding: 4px 10px;
  border-radius: 2px;
}

.pipeline-arrow {
  font-family: var(--font-data, monospace);
  font-size: 14px;
  color: var(--brand-quaternary, #D4A017);
  font-weight: 700;
}

.card-note-proof {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 13px;
  color: var(--color-text-secondary, #5A6068);
  margin-top: 8px;
}

.card-note-proof a {
  color: var(--brand-secondary, #2C5F8A);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.card-note-proof a:hover {
  border-bottom-color: var(--brand-secondary, #2C5F8A);
}

.catalog-group-subtitle {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-weight: 500;
}

/* ---------- TEACHING LAB — section wrapper ---------- */

.teaching-lab {
  padding: 80px 40px;
  background: var(--ivory, #F8F7F4);
  border-top: 4px solid var(--brand-quaternary, #D4A017);
}

.teaching-lab-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-lab .eyebrow {
  margin-bottom: 0;
}

.teaching-lab .h2 {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  margin: 16px 0 20px;
  max-width: 30ch;
  color: var(--navy, #1B2A4A);
}

.teaching-lab-intro {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary, #5A6068);
  max-width: 75ch;
  margin: 0 0 48px;
}

.teaching-lab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

/* Teaching Lab tool card */

.teaching-tool {
  padding: 32px 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.08);
}

.teaching-tool:last-child {
  border-bottom: none;
}

.teaching-tool--featured {
  padding-left: 24px;
  border-left: 3px solid var(--brand-quaternary, #D4A017);
}

.teaching-tool-tag {
  display: inline-block;
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.teaching-tool-tag--active {
  color: #0d6c3a;
  background: rgba(13, 108, 58, 0.08);
}

.teaching-tool-tag--coming {
  color: var(--brand-quaternary, #D4A017);
  background: rgba(212, 160, 23, 0.08);
}

.teaching-tool-tag--doc {
  color: var(--blue-fpsq, #2C5F8A);
  background: rgba(44, 95, 138, 0.08);
}

.teaching-tool-title {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 22px;
  line-height: 1.25;
  margin: 0 0 12px;
  color: var(--navy, #1B2A4A);
}

.teaching-tool-title a {
  color: inherit;
  text-decoration: none;
}

.teaching-tool-title a:hover {
  color: var(--blue-fpsq, #2C5F8A);
}

.teaching-tool-summary {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-secondary, #5A6068);
  max-width: 75ch;
  margin: 0 0 16px;
}

/* ---------- TEACHING RESOURCES section ---------- */

.teaching-resources {
  padding: 80px 40px;
  background: var(--ivory-deep, #F0EDE8);
}

.teaching-resources-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-resources .h2 {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  margin: 16px 0 20px;
  color: var(--navy, #1B2A4A);
}

.teaching-resources-intro {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary, #5A6068);
  max-width: 75ch;
  margin: 0 0 48px;
}

.teaching-resources-subcategory {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--brand-quaternary, #D4A017);
  margin: 48px 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(27, 42, 74, 0.08);
}

.teaching-resources-subcategory:first-of-type {
  margin-top: 0;
}

.teaching-resource-item {
  padding: 20px 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.06);
}

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

.teaching-resource-tag {
  display: inline-block;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary, #5A6068);
  margin-bottom: 6px;
}

.teaching-resource-title {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 17px;
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--navy, #1B2A4A);
}

.teaching-resource-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.teaching-resource-title a:hover {
  color: var(--blue-fpsq, #2C5F8A);
  border-bottom-color: var(--blue-fpsq, #2C5F8A);
}

.teaching-resource-desc {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary, #5A6068);
  margin: 0;
}

/* ---------- SUPERVISION section ---------- */

.teaching-supervision {
  padding: 80px 40px;
  background: var(--ivory, #F8F7F4);
}

.teaching-supervision-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-supervision .h2 {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  margin: 16px 0 20px;
  color: var(--navy, #1B2A4A);
}

.teaching-supervision-intro {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary, #5A6068);
  max-width: 75ch;
  margin: 0 0 48px;
}

.thesis-item {
  padding: 24px 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.06);
}

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

.thesis-level {
  display: inline-block;
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-quaternary, #D4A017);
  margin-bottom: 8px;
}

.thesis-title {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--navy, #1B2A4A);
}

.thesis-desc {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary, #5A6068);
  max-width: 75ch;
  margin: 0;
}

/* ---------- PRESENTATIONS section ---------- */

.teaching-presentations {
  padding: 60px 40px;
  background: var(--ivory-deep, #F0EDE8);
  border-bottom: 1px solid rgba(27, 42, 74, 0.08);
}

.teaching-presentations-container {
  max-width: 1200px;
  margin: 0 auto;
}

.teaching-presentations .h2 {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.15;
  margin: 16px 0 20px;
  color: var(--navy, #1B2A4A);
}

.teaching-presentations-intro {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 14px;
  color: var(--text-secondary, #5A6068);
  margin: 0 0 32px;
}

.presentation-item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.06);
}

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

.presentation-meta {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-secondary, #5A6068);
  margin-bottom: 4px;
}

.presentation-title {
  font-family: var(--font-display, 'Source Serif 4', serif);
  font-size: 17px;
  line-height: 1.3;
  margin: 0;
  color: var(--navy, #1B2A4A);
}

.presentation-title a {
  color: inherit;
  text-decoration: none;
}

.presentation-title a:hover {
  color: var(--blue-fpsq, #2C5F8A);
}

/* ---------- TEACHING responsive additions ---------- */

@media (max-width: 900px) {
  .teaching-lab,
  .teaching-resources,
  .teaching-supervision,
  .teaching-presentations {
    padding: 48px 24px;
  }
}

@media (max-width: 700px) {
  .teaching-lab,
  .teaching-resources,
  .teaching-supervision,
  .teaching-presentations {
    padding: 40px 18px;
  }
}