/* =============================================
   BLOG.CSS - BTS AV Picardie
   Formation / Audiovisuel / Culture
   Version: 2026
   ============================================= */

/* ---- RESET & BASE ---- */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
}

img, video, iframe, svg, canvas {
  max-width: 100%;
  height: auto;
}

/* ---- MAIN ---- */
.article-main {
  background-color: #f8f9fc;
  min-height: 60vh;
}

/* =============================================
   HERO ARTICLE
   ============================================= */
.article-hero {
  background-color: #1e3a8a;
  color: #fff;
  padding: 0;
}

.article-hero__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 40px 44px;
}

.article-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.article-hero__category {
  background-color: #be185d;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 3px;
}

.article-hero__date,
.article-hero__read {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
}

.article-hero__title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.22;
  color: #fff;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.article-hero__intro {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  margin: 0 0 28px;
  max-width: 720px;
}

.article-hero__author-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-hero__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.4);
  display: block;
}

.article-hero__author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.article-hero__author-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.article-hero__author-role {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
}

.article-hero__visual {
  width: 100%;
  max-height: 480px;
  overflow: hidden;
}

.article-hero__visual img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* =============================================
   WRAPPER
   ============================================= */
.article-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 40px 60px;
}

/* =============================================
   DISCLAIMER BANNER
   ============================================= */
.disclaimer-banner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: #fff0f6;
  border-left: 4px solid #be185d;
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 36px;
}

.disclaimer-banner__icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.disclaimer-banner__text {
  font-size: 14px;
  line-height: 1.6;
  color: #4a1a2e;
  margin: 0;
}

/* =============================================
   TABLE OF CONTENTS
   ============================================= */
.article-toc {
  background-color: #eef2fb;
  border-radius: 10px;
  padding: 24px 28px;
  margin-bottom: 48px;
  border: 1px solid #d0daef;
}

.article-toc__header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #1e3a8a;
  margin-bottom: 16px;
}

.article-toc__list {
  margin: 0;
  padding-left: 20px;
  list-style: decimal;
}

.article-toc__list li {
  margin-bottom: 8px;
}

.article-toc__list a {
  color: #1e3a8a;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
  transition: color 0.2s;
}

.article-toc__list a:hover,
.article-toc__list a:focus {
  color: #be185d;
  text-decoration: underline;
}

/* =============================================
   TIMELINE
   ============================================= */
.timeline-container {
  position: relative;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 3px;
  background-color: #d0daef;
  z-index: 0;
}

.timeline-step {
  position: relative;
  display: flex;
  gap: 36px;
  margin-bottom: 64px;
  align-items: flex-start;
}

.timeline-step__marker {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: #1e3a8a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  border: 4px solid #f8f9fc;
  box-shadow: 0 2px 12px rgba(30,58,138,0.18);
}

.timeline-step__number {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.timeline-step:nth-child(even) .timeline-step__marker {
  background-color: #be185d;
}

.timeline-step:nth-child(3n) .timeline-step__marker {
  background-color: #f59e0b;
}

.timeline-step__content {
  flex: 1;
  min-width: 0;
  padding-top: 8px;
}

.timeline-step__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #be185d;
  margin-bottom: 8px;
  background-color: #fff0f6;
  padding: 3px 10px;
  border-radius: 3px;
}

.timeline-step__title {
  font-size: 1.65rem;
  font-weight: 800;
  color: #1a2340;
  margin: 0 0 18px;
  line-height: 1.3;
}

.timeline-step__content p {
  font-size: 1rem;
  line-height: 1.8;
  color: #374151;
  margin: 0 0 16px;
}

/* =============================================
   HIGHLIGHT BOXES
   ============================================= */
.highlight-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 24px 0;
}

.highlight-box--blue {
  background-color: #1e3a8a;
}

.highlight-box--amber {
  background-color: #d97706;
}

.highlight-box--pink {
  background-color: #be185d;
}

.highlight-box__icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.highlight-box__body {
  min-width: 0;
}

.highlight-box__label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.highlight-box__text {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255,255,255,0.92);
  margin: 0;
}

/* =============================================
   QUOTE BLOCK
   ============================================= */
.quote-block {
  background-color: #fff;
  border-radius: 10px;
  padding: 32px 36px;
  margin: 28px 0;
  position: relative;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.quote-block__icon {
  display: block;
  margin-bottom: 16px;
  opacity: 0.8;
}

.quote-block__text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #1a2340;
  font-style: italic;
  margin: 0 0 12px;
  font-weight: 500;
}

.quote-block__author {
  font-size: 13px;
  color: #6b7280;
  font-style: normal;
}

/* =============================================
   INFO GRID
   ============================================= */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.info-grid__item {
  background-color: #fff;
  border-radius: 10px;
  padding: 20px 18px;
  border: 1px solid #e5e7eb;
  text-align: center;
}

.info-grid__icon {
  margin-bottom: 12px;
}

.info-grid__title {
  font-size: 14px;
  font-weight: 700;
  color: #1a2340;
  margin: 0 0 8px;
}

.info-grid__text {
  font-size: 13px;
  line-height: 1.6;
  color: #6b7280;
  margin: 0;
}

/* =============================================
   SUBJECT CARDS
   ============================================= */
.subject-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

.subject-card {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
}

.subject-card:hover {
  box-shadow: 0 6px 20px rgba(30,58,138,0.12);
}

.subject-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.subject-card__body {
  padding: 20px;
}

.subject-card__badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background-color: #eef2fb;
  color: #1e3a8a;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
}

.subject-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: #1a2340;
  margin: 0 0 10px;
  line-height: 1.4;
}

.subject-card__body p {
  font-size: 13.5px;
  line-height: 1.65;
  color: #4b5563;
  margin: 0;
}

/* =============================================
   RHYTHM TABLE
   ============================================= */
.rhythm-table-wrap {
  margin: 24px 0;
}

.rhythm-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
}

.rhythm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background-color: #fff;
  min-width: 560px;
}

.rhythm-table__caption {
  font-size: 12px;
  color: #6b7280;
  padding: 8px 16px;
  text-align: left;
  caption-side: bottom;
}

.rhythm-table thead tr {
  background-color: #1e3a8a;
}

.rhythm-table thead th {
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.rhythm-table tbody tr {
  border-bottom: 1px solid #f0f2f8;
}

.rhythm-table tbody tr:last-child {
  border-bottom: none;
}

.rhythm-table tbody tr:hover {
  background-color: #f5f7fc;
}

.rhythm-table tbody td {
  padding: 12px 16px;
  color: #374151;
  vertical-align: middle;
}

.intensity {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.intensity--high {
  background-color: #fde8ef;
  color: #be185d;
}

.intensity--medium {
  background-color: #fef3c7;
  color: #92400e;
}

/* =============================================
   TWO COLUMNS
   ============================================= */
.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
}

.two-columns__item {
  background-color: #fff;
  border-radius: 10px;
  padding: 22px 20px;
  border: 1px solid #e5e7eb;
}

.two-columns__item--positive {
  border-top: 4px solid #1e3a8a;
}

.two-columns__item--negative {
  border-top: 4px solid #be185d;
}

.two-columns__heading {
  font-size: 14px;
  font-weight: 700;
  color: #1a2340;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.two-columns__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.two-columns__list li {
  font-size: 13.5px;
  line-height: 1.6;
  color: #374151;
  padding: 6px 0;
  border-bottom: 1px solid #f3f4f6;
  padding-left: 16px;
  position: relative;
}

.two-columns__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #d1d5db;
}

.two-columns__list li:last-child {
  border-bottom: none;
}

/* =============================================
   PRICE CALCULATOR
   ============================================= */
.price-calculator {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  margin: 28px 0;
}

.price-calculator__header {
  background-color: #1e3a8a;
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}

.price-calculator__body {
  padding: 28px;
}

.price-calculator__intro {
  font-size: 14px;
  color: #6b7280;
  margin: 0 0 24px;
  line-height: 1.6;
}

.price-calculator__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

.price-calculator__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.price-calc-label {
  font-size: 13px;
  font-weight: 600;
  color: #1a2340;
  line-height: 1.4;
}

.price-calc-select {
  padding: 10px 14px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
  color: #374151;
  background-color: #f9fafb;
  width: 100%;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.price-calc-select:focus {
  outline: 2px solid #1e3a8a;
  outline-offset: 1px;
}

.price-calc-help {
  font-size: 11.5px;
  color: #9ca3af;
  line-height: 1.4;
}

.price-calculator__result {
  background-color: #1e3a8a;
  border-radius: 8px;
  padding: 20px 24px;
  text-align: center;
  margin-bottom: 16px;
}

.price-calculator__result-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.75);
  margin-bottom: 8px;
}

.price-calculator__result-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: #f59e0b;
  line-height: 1;
  margin-bottom: 8px;
}

.price-calculator__result-note {
  font-size: 11.5px;
  color: rgba(255,255,255,0.6);
}

.price-calculator__btn {
  background-color: #be185d;
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.price-calculator__btn:hover,
.price-calculator__btn:focus {
  background-color: #9d1550;
}

.price-calculator__btn:focus {
  outline: 2px solid #be185d;
  outline-offset: 2px;
}

/* =============================================
   STATS GRID
   ============================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.stats-grid__item {
  background-color: #fff;
  border-radius: 10px;
  padding: 24px 16px;
  text-align: center;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.stats-grid__icon {
  margin-bottom: 12px;
}

.stats-grid__counter {
  font-size: 2rem;
  font-weight: 800;
  color: #1e3a8a;
  line-height: 1;
  margin-bottom: 8px;
}

.stats-grid__label {
  font-size: 13px;
  font-weight: 600;
  color: #1a2340;
  margin-bottom: 4px;
  line-height: 1.4;
}

.stats-grid__sub {
  font-size: 11.5px;
  color: #9ca3af;
  line-height: 1.4;
}

/* =============================================
   ROI CALCULATOR
   ============================================= */
.roi-calculator {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  margin: 28px 0;
}

.roi-calculator__header {
  background-color: #be185d;
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}

.roi-calculator__body {
  padding: 28px;
}

.roi-calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 28px;
}

.roi-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roi-label {
  font-size: 13px;
  font-weight: 600;
  color: #1a2340;
  line-height: 1.4;
}

.roi-input-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.roi-range {
  flex: 1;
  accent-color: #1e3a8a;
  height: 6px;
  cursor: pointer;
}

.roi-output {
  font-size: 14px;
  font-weight: 700;
  color: #1e3a8a;
  white-space: nowrap;
  min-width: 90px;
  text-align: right;
}

.roi-hint {
  font-size: 11.5px;
  color: #9ca3af;
  line-height: 1.4;
}

.roi-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.roi-result-card {
  background-color: #f5f7fc;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  border: 1px solid #e5e7eb;
}

.roi-result-card--highlight {
  background-color: #1e3a8a;
  border-color: #1e3a8a;
}

.roi-result-card--highlight .roi-result-card__label {
  color: rgba(255,255,255,0.8);
}

.roi-result-card--highlight .roi-result-card__value {
  color: #f59e0b;
}

.roi-result-card__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
  margin-bottom: 8px;
  line-height: 1.4;
}

.roi-result-card__value {
  font-size: 1.4rem;
  font-weight: 800;
  color: #1e3a8a;
  line-height: 1;
}

.roi-calculator__btn {
  background-color: #1e3a8a;
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  margin-bottom: 14px;
}

.roi-calculator__btn:hover,
.roi-calculator__btn:focus {
  background-color: #162d6f;
}

.roi-calculator__btn:focus {
  outline: 2px solid #1e3a8a;
  outline-offset: 2px;
}

.roi-disclaimer {
  font-size: 12px;
  color: #9ca3af;
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

/* =============================================
   ADVICE LIST
   ============================================= */
.advice-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 24px 0;
}

.advice-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background-color: #fff;
  border-radius: 10px;
  padding: 22px 20px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}

.advice-item:hover {
  box-shadow: 0 4px 16px rgba(30,58,138,0.1);
}

.advice-item__number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #f59e0b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.advice-item__body {
  flex: 1;
  min-width: 0;
}

.advice-item__title {
  font-size: 1rem;
  font-weight: 700;
  color: #1a2340;
  margin: 0 0 10px;
  line-height: 1.4;
}

.advice-item__text {
  font-size: 14px;
  line-height: 1.7;
  color: #4b5563;
  margin: 0;
}

/* =============================================
   COMPARISON TABLE
   ============================================= */
.comparison-table-wrap {
  margin: 24px 0;
}

.comparison-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background-color: #fff;
  min-width: 640px;
}

.comparison-table__caption {
  font-size: 11.5px;
  color: #9ca3af;
  padding: 8px 16px;
  text-align: left;
  caption-side: bottom;
}

.comparison-table thead tr {
  background-color: #1a2340;
}

.comparison-table thead th {
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.comparison-table tbody tr {
  border-bottom: 1px solid #f0f2f8;
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody tr:hover {
  background-color: #f5f7fc;
}

.comparison-table tbody td {
  padding: 13px 16px;
  color: #374151;
  vertical-align: middle;
  line-height: 1.5;
}

.access-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.access-tag--good {
  background-color: #d1fae5;
  color: #065f46;
}

.access-tag--medium {
  background-color: #fef3c7;
  color: #92400e;
}

.access-tag--hard {
  background-color: #fde8ef;
  color: #be185d;
}

/* =============================================
   AUTHOR BOX
   ============================================= */
.author-box {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background-color: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  margin-top: 48px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.author-box__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
  border: 3px solid #eef2fb;
}

.author-box__info {
  flex: 1;
  min-width: 0;
}

.author-box__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #1a2340;
  margin-bottom: 3px;
}

.author-box__role {
  display: block;
  font-size: 13px;
  color: #be185d;
  font-weight: 500;
  margin-bottom: 10px;
}

.author-box__bio {
  font-size: 14px;
  line-height: 1.65;
  color: #4b5563;
  margin: 0;
}

/* =============================================
   DISCLAIMER FOOTER
   ============================================= */
.disclaimer-footer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background-color: #fff0f6;
  border-radius: 6px;
  padding: 14px 18px;
  margin-top: 24px;
}

.disclaimer-footer p {
  font-size: 12.5px;
  line-height: 1.6;
  color: #4a1a2e;
  margin: 0;
}

/* =============================================
   RESPONSIVE - 768px
   ============================================= */
@media (max-width: 768px) {
  .article-hero__inner {
    padding: 36px 20px 28px;
  }

  .article-hero__title {
    font-size: 1.6rem;
  }

  .article-hero__intro {
    font-size: 1rem;
  }

  .article-hero__visual {
    max-height: 260px;
  }

  .article-hero__visual img {
    max-height: 260px;
  }

  .article-wrapper {
    padding: 28px 20px 40px;
  }

  .article-toc {
    padding: 18px 16px;
  }

  /* Timeline mobile */
  .timeline-container::before {
    left: 18px;
  }

  .timeline-step {
    gap: 20px;
    margin-bottom: 44px;
  }

  .timeline-step__marker {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-width: 3px;
  }

  .timeline-step__number {
    font-size: 13px;
  }

  .timeline-step__title {
    font-size: 1.3rem;
  }

  /* Grilles en 1 colonne */
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .subject-cards {
    grid-template-columns: 1fr;
  }

  .two-columns {
    grid-template-columns: 1fr;
  }

  .price-calculator__grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .roi-results {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .author-box__avatar {
    width: 64px;
    height: 64px;
  }
}

/* ===== RESPONSIVE (auto-repair) ===== */
@media (max-width: 1024px) {
  .article-hero__inner {
    padding: 44px 28px 36px;
  }

  .article-hero__title {
    font-size: 2rem;
  }

  .article-hero__intro {
    font-size: 1.05rem;
  }

  .article-wrapper {
    padding: 32px 28px 48px;
  }

  .timeline-step {
    gap: 24px;
    margin-bottom: 52px;
  }

  .timeline-step__marker {
    width: 50px;
    height: 50px;
  }

  .timeline-step__title {
    font-size: 1.45rem;
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .subject-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .two-columns {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .price-calculator__grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .price-calculator__body {
    padding: 22px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .roi-results {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .roi-calculator__body {
    padding: 22px;
  }

  .author-box {
    padding: 22px 20px;
    gap: 16px;
  }

  .quote-block {
    padding: 24px 28px;
  }

  .article-toc {
    padding: 20px 22px;
  }
}

@media (max-width: 768px) {
  .article-hero__inner {
    padding: 36px 20px 28px;
  }

  .article-hero__title {
    font-size: 1.6rem;
  }

  .article-hero__intro {
    font-size: 1rem;
  }

  .article-hero__meta {
    gap: 10px;
    margin-bottom: 18px;
  }

  .article-hero__author-bar {
    gap: 10px;
  }

  .article-hero__visual {
    max-height: 260px;
  }

  .article-hero__visual img {
    max-height: 260px;
  }

  .article-wrapper {
    padding: 28px 20px 40px;
  }

  .article-toc {
    padding: 18px 16px;
    margin-bottom: 36px;
  }

  .article-toc__header {
    font-size: 12px;
    gap: 8px;
  }

  .disclaimer-banner {
    padding: 14px 16px;
    gap: 10px;
    margin-bottom: 28px;
  }

  .disclaimer-banner__text {
    font-size: 13px;
  }

  .timeline-container::before {
    left: 18px;
  }

  .timeline-step {
    gap: 20px;
    margin-bottom: 44px;
  }

  .timeline-step__marker {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-width: 3px;
  }

  .timeline-step__number {
    font-size: 13px;
  }

  .timeline-step__title {
    font-size: 1.3rem;
  }

  .timeline-step__content p {
    font-size: 0.95rem;
  }

  .highlight-box {
    padding: 14px 16px;
    gap: 12px;
  }

  .highlight-box__text {
    font-size: 13px;
  }

  .quote-block {
    padding: 22px 20px;
    margin: 20px 0;
  }

  .quote-block__text {
    font-size: 1.05rem;
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .subject-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .two-columns {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .two-columns__item {
    padding: 18px 16px;
  }

  .price-calculator__header {
    padding: 14px 18px;
    font-size: 13px;
  }

  .price-calculator__body {
    padding: 20px 16px;
  }

  .price-calculator__grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 20px;
  }

  .price-calculator__result {
    padding: 16px 18px;
  }

  .price-calculator__result-value {
    font-size: 1.8rem;
  }

  .price-calculator__btn {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stats-grid__counter {
    font-size: 1.7rem;
  }

  .roi-calculator__header {
    padding: 14px 18px;
    font-size: 13px;
  }

  .roi-calculator__body {
    padding: 20px 16px;
  }

  .roi-input-wrap {
    gap: 12px;
  }

  .roi-output {
    min-width: 70px;
    font-size: 13px;
  }

  .roi-results {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 14px;
  }

  .roi-calculator__btn {
    width: 100%;
    justify-content: center;
  }

  .advice-item {
    gap: 14px;
    padding: 18px 16px;
  }

  .advice-item__number {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .advice-item__title {
    font-size: 0.95rem;
  }

  .advice-item__text {
    font-size: 13px;
  }

  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 22px 18px;
    margin-top: 36px;
    gap: 14px;
  }

  .author-box__avatar {
    width: 64px;
    height: 64px;
  }

  .disclaimer-footer {
    padding: 12px 14px;
    gap: 8px;
  }

  .disclaimer-footer p {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .article-hero__inner {
    padding: 24px 16px 20px;
  }

  .article-hero__title {
    font-size: 1.35rem;
    letter-spacing: -0.01em;
  }

  .article-hero__intro {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .article-hero__meta {
    gap: 8px;
    margin-bottom: 14px;
  }

  .article-hero__category {
    font-size: 10px;
    padding: 3px 10px;
  }

  .article-hero__date,
  .article-hero__read {
    font-size: 12px;
  }

  .article-hero__author-name {
    font-size: 13px;
  }

  .article-hero__author-role {
    font-size: 11px;
  }

  .article-hero__avatar {
    width: 34px;
    height: 34px;
  }

  .article-hero__visual {
    max-height: 200px;
  }

  .article-hero__visual img {
    max-height: 200px;
  }

  .article-wrapper {
    padding: 20px 16px 32px;
  }

  .article-toc {
    padding: 14px 14px;
    margin-bottom: 28px;
    border-radius: 8px;
  }

  .article-toc__header {
    font-size: 11px;
    margin-bottom: 12px;
  }

  .article-toc__list a {
    font-size: 13px;
  }

  .disclaimer-banner {
    padding: 12px 14px;
    gap: 8px;
    margin-bottom: 22px;
  }

  .disclaimer-banner__text {
    font-size: 12.5px;
  }

  .timeline-container::before {
    left: 15px;
  }

  .timeline-step {
    gap: 14px;
    margin-bottom: 36px;
  }

  .timeline-step__marker {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-width: 2px;
  }

  .timeline-step__number {
    font-size: 12px;
  }

  .timeline-step__content {
    padding-top: 4px;
  }

  .timeline-step__title {
    font-size: 1.15rem;
    margin-bottom: 12px;
  }

  .timeline-step__content p {
    font-size: 0.9rem;
    line-height: 1.75;
  }

  .timeline-step__tag {
    font-size: 10px;
    padding: 2px 8px;
  }

  .highlight-box {
    padding: 12px 14px;
    gap: 10px;
    margin: 18px 0;
    border-radius: 6px;
  }

  .highlight-box__label {
    font-size: 12px;
  }

  .highlight-box__text {
    font-size: 12.5px;
  }

  .quote-block {
    padding: 18px 16px;
    margin: 16px 0;
    border-radius: 8px;
  }

  .quote-block__text {
    font-size: 1rem;
  }

  .quote-block__author {
    font-size: 12px;
  }

  .info-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .info-grid__item {
    padding: 16px 14px;
  }

  .info-grid__title {
    font-size: 13px;
  }

  .info-grid__text {
    font-size: 12.5px;
  }

  .subject-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .subject-card img {
    height: 160px;
  }

  .subject-card__body {
    padding: 16px;
  }

  .subject-card__title {
    font-size: 0.95rem;
  }

  .subject-card__body p {
    font-size: 13px;
  }

  .two-columns {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .two-columns__item {
    padding: 16px 14px;
  }

  .two-columns__heading {
    font-size: 13px;
  }

  .two-columns__list li {
    font-size: 12.5px;
  }

  .price-calculator {
    border-radius: 10px;
  }

  .price-calculator__header {
    padding: 12px 16px;
    font-size: 12.5px;
    gap: 10px;
  }

  .price-calculator__body {
    padding: 16px 14px;
  }

  .price-calculator__intro {
    font-size: 13px;
  }

  .price-calculator__grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 16px;
  }

  .price-calc-label {
    font-size: 12.5px;
  }

  .price-calc-select {
    font-size: 12.5px;
    padding: 9px 12px;
  }

  .price-calc-help {
    font-size: 11px;
  }

  .price-calculator__result {
    padding: 14px 16px;
    border-radius: 6px;
  }

  .price-calculator__result-label {
    font-size: 11px;
  }

  .price-calculator__result-value {
    font-size: 1.6rem;
  }

  .price-calculator__result-note {
    font-size: 11px;
  }

  .price-calculator__btn {
    font-size: 13px;
    padding: 11px 20px;
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stats-grid__item {
    padding: 18px 12px;
  }

  .stats-grid__counter {
    font-size: 1.5rem;
  }

  .stats-grid__label {
    font-size: 12px;
  }

  .stats-grid__sub {
    font-size: 11px;
  }

  .roi-calculator {
    border-radius: 10px;
  }

  .roi-calculator__header {
    padding: 12px 16px;
    font-size: 12.5px;
    gap: 10px;
  }

  .roi-calculator__body {
    padding: 16px 14px;
  }

  .roi-calc-inputs {
    gap: 18px;
    margin-bottom: 20px;
  }

  .roi-label {
    font-size: 12.5px;
  }

  .roi-input-wrap {
    gap: 10px;
    flex-wrap: wrap;
  }

  .roi-output {
    min-width: 60px;
    font-size: 13px;
  }

  .roi-hint {
    font-size: 11px;
  }

  .roi-results {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }

  .roi-result-card {
    padding: 12px 14px;
    border-radius: 6px;
  }

  .roi-result-card__label {
    font-size: 10.5px;
  }

  .roi-result-card__value {
    font-size: 1.2rem;
  }

  .roi-calculator__btn {
    font-size: 13px;
    padding: 11px 20px;
    width: 100%;
    justify-content: center;
  }

  .roi-disclaimer {
    font-size: 11.5px;
  }

  .advice-list {
    gap: 14px;
  }

  .advice-item {
    gap: 12px;
    padding: 16px 14px;
    border-radius: 8px;
  }

  .advice-item__number {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .advice-item__title {
    font-size: 0.9rem;
    margin-bottom: 8px;
  }

  .advice-item__text {
    font-size: 12.5px;
    line-height: 1.65;
  }

  .author-box {
    padding: 18px 14px;
    margin-top: 28px;
    border-radius: 10px;
    gap: 12px;
  }

  .author-box__avatar {
    width: 56px;
    height: 56px;
  }

  .author-box__name {
    font-size: 15px;
  }

  .author-box__role {
    font-size: 12px;
  }

  .author-box__bio {
    font-size: 13px;
  }

  .disclaimer-footer {
    padding: 10px 12px;
    gap: 6px;
    border-radius: 5px;
  }

  .disclaimer-footer p {
    font-size: 11.5px;
  }
}