/* ============================================================
   Chain-IT — Brand Theme (Centralized)
   Version 2026-06-15
   Polices : Inter (Google Fonts)
   Headings : h1=48px, h2=32px, h3=24px — poids 700
   Aucun texte < 16px sauf badges/tags
   ============================================================ */

/* ===== 1. DESIGN TOKENS ===== */
:root {
  --bordeaux-deep:       #4A0D1B;
  --bordeaux:            #7A1A2E;
  --bordeaux-bright:     #A71D31;
  --white:               #FFFFFF;
  --warm-ivory-rgb:      247, 245, 243;
  --warm-ivory:          #F7F5F3;
  --charcoal:            #1A1A1A;
  --warm-gray:           #8A7F83;
  --green:               #2D7A4A;
  --amber:               #C97D2B;
  --rose-light:          #E8B4B0;
  --rose-pale:           #F2C4C0;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;

  --shadow-sm: 0 1px 3px rgba(74, 13, 27, 0.04);
  --shadow-md: 0 4px 14px rgba(74, 13, 27, 0.07);
  --shadow-lg: 0 8px 30px rgba(74, 13, 27, 0.10);

  --gradient-primary: linear-gradient(135deg, var(--bordeaux-deep), var(--bordeaux-bright));
  --gradient-primary-light: linear-gradient(135deg, var(--bordeaux), var(--bordeaux-bright));

  --max-width: 1100px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
}

/* ===== 2. RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--warm-ivory);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
}

/* ===== 3. HEADINGS ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  margin: 0;
  color: var(--charcoal);
}

h1 {
  font-size: 48px;
  letter-spacing: -1px;
  line-height: 1.1;
}

h2 {
  font-size: 32px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

h3 {
  font-size: 24px;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

h4 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.4;
}

/* ===== 4. SECTION LABEL (legacy, kept for compatibility) ===== */
/* Used as <h2 class="section-label"> — styled as a real heading */
.section-label {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: var(--charcoal);
  text-align: center;
}
.section-label::after {
  display: none;
}

/* ===== 5. PARAGRAPHS & BODY TEXT ===== */
p, li, .lead, .small {
  font-size: 16px;
  line-height: 1.6;
}

.lead {
  font-weight: 300;
}

/* ===== 6. HEADER ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid rgba(74, 13, 27, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-md);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo:hover,
.site-logo:focus,
.site-logo:visited {
  text-decoration: none;
}
.site-logo img {
  height: 28px;
  width: auto;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--warm-gray);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.main-nav a:hover {
  color: var(--bordeaux);
  background: rgba(74, 13, 27, 0.04);
}
.main-nav a.active {
  color: var(--bordeaux);
  background: rgba(167, 29, 49, 0.06);
}
.lang-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(74, 13, 27, 0.12);
  border-radius: var(--border-radius-sm);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0;
  flex-shrink: 0;
}
.lang-selector a {
  color: var(--warm-gray);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 16px;
  transition: color 0.2s;
}
.lang-selector a:hover {
  color: var(--bordeaux);
  background: none;
}
.lang-selector .lang-active {
  color: var(--bordeaux);
}
.lang-selector .lang-sep {
  color: rgba(74, 13, 27, 0.15);
  font-size: 16px;
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--charcoal);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}

/* ===== 7. SECTIONS ===== */
.section {
  padding: 80px 0;
}
.section .container {
  padding: 0 24px;
}

.dark-section {
  background: var(--bordeaux-deep);
  color: var(--warm-ivory);
  padding: 60px 0;
}
.dark-section .container {
  padding: 0 24px;
}
.dark-section h1,
.dark-section h2,
.dark-section h3,
.dark-section h4 {
  color: var(--warm-ivory);
}

/* ===== 8. HERO (Homepage) ===== */
.hero {
  background: var(--bordeaux-deep);
  padding: 100px 24px 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bordeaux-deep) 0%, var(--bordeaux) 50%, rgba(74,13,27,0.85) 100%);
  opacity: 0.5;
}
.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero-tag {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rose-light);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 20px;
  max-width: 800px;
}
.hero h1 .accent {
  color: var(--rose-light);
}
.hero p {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(247, 245, 243, 0.75);
  max-width: 650px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== 9. PAGE HERO (Subpages) ===== */
.page-hero {
  background: var(--bordeaux-deep);
  padding: 72px 24px 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bordeaux-deep) 0%, var(--bordeaux) 50%, rgba(74,13,27,0.85) 100%);
  opacity: 0.5;
}
.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-hero .breadcrumb {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(247,245,243,0.4);
  margin-bottom: 12px;
}
.page-hero .breadcrumb a {
  color: var(--rose-light);
  text-decoration: none;
}
.page-hero .breadcrumb a:hover {
  text-decoration: underline;
}
.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 12px;
}
.page-hero .hero-tagline {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(247,245,243,0.7);
  max-width: 640px;
  margin-bottom: 28px;
}
.page-hero .hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.page-hero .hero-meta span {
  font-size: 16px;
  color: rgba(247,245,243,0.5);
  letter-spacing: 0;
}
.page-hero .hero-meta strong {
  color: var(--rose-light);
  font-weight: 700;
}
.page-hero .hero-pre {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}

/* ===== 10. CARDS ===== */
.card {
  background: white;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
}
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: white;
  font-size: 20px;
  font-weight: 700;
}
.card h3 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: var(--space-sm);
  color: var(--charcoal);
}
.card p,
.card li {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.6;
}
.card ul,
.card ol {
  padding-left: 20px;
}
.card li {
  margin-bottom: 6px;
}

/* Dark cards */
.dark-card {
  background: rgba(var(--warm-ivory-rgb), 0.08);
  border-radius: var(--border-radius);
  padding: 32px 24px;
  box-shadow: none;
}
.dark-card .icon {
  background: var(--rose-light);
  color: var(--bordeaux-deep);
  font-weight: 700;
}
.dark-card h3 {
  color: var(--warm-ivory);
  font-size: 24px;
  font-weight: 700;
}
.dark-card p,
.dark-card li {
  color: rgba(var(--warm-ivory-rgb), 0.7);
  font-size: 16px;
}
.dark-card ul,
.dark-card ol {
  padding-left: 20px;
}
.dark-card li {
  margin-bottom: 6px;
}

/* ===== 11. BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  text-align: center;
}
.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
}
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--bordeaux);
  color: var(--bordeaux);
}
.btn-secondary:hover {
  background: var(--bordeaux);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--bordeaux);
  padding: 14px 16px;
}
.btn-ghost:hover {
  opacity: 0.7;
}
.btn-large {
  padding: 18px 40px;
  font-size: 18px;
}

/* Dark buttons */
.dark-section .btn-primary {
  background: var(--gradient-primary-light);
  color: var(--warm-ivory);
}
.dark-section .btn-secondary {
  border-color: rgba(var(--warm-ivory-rgb), 0.4);
  color: rgba(var(--warm-ivory-rgb), 0.9);
}
.dark-section .btn-secondary:hover {
  background: rgba(var(--warm-ivory-rgb), 0.1);
  border-color: rgba(var(--warm-ivory-rgb), 0.6);
}
.dark-section .btn-ghost {
  color: rgba(var(--warm-ivory-rgb), 0.7);
}

/* ===== 12. BADGES (tags only — small text allowed) ===== */
.badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
}
.badge-green { background: var(--green); color: white; }
.badge-amber { background: var(--amber); color: white; }
.badge-outline { border: 1px solid var(--bordeaux); color: var(--bordeaux); background: transparent; }

.dark-section .badge-green { background: rgba(45, 122, 74, 0.7); }
.dark-section .badge-amber { background: rgba(201, 125, 43, 0.7); }
.dark-section .badge-outline { border-color: rgba(var(--warm-ivory-rgb), 0.4); color: rgba(var(--warm-ivory-rgb), 0.7); }

/* ===== 13. TAG LIST (tags only — small text allowed) ===== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.tag-list span {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--bordeaux-bright);
  background: rgba(167, 29, 49, 0.06);
  padding: 4px 10px;
  border-radius: 2px;
}

/* ===== 14. GRID HELPERS ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ===== 15. OFFRE CARD (Homepage) ===== */
.offre-card {
  display: flex;
  flex-direction: column;
}
.offre-card .offre-price {
  font-size: 16px;
  font-weight: 500;
  color: var(--warm-gray);
  margin-top: -4px;
  margin-bottom: 12px;
}
.offre-card p {
  flex: 1;
  margin-bottom: 20px;
}
.offre-card .offre-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.offre-card .offre-topics span {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--bordeaux-bright);
  background: rgba(167, 29, 49, 0.06);
  padding: 4px 10px;
  border-radius: 2px;
}

/* ===== 16. TESTIMONIALS ===== */
.testimonial {
  background: white;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
}
.testimonial blockquote {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--charcoal);
  font-style: normal;
}
.testimonial .attribution {
  font-size: 16px;
  color: var(--warm-gray);
  border-top: 1px solid rgba(74, 13, 27, 0.06);
  padding-top: 12px;
}
.testimonial .attribution .name {
  font-weight: 600;
  color: var(--bordeaux);
}

/* ===== 17. DIFFÉRENCIATEURS ===== */
.diff-item {
  border-top: 1px solid rgba(var(--warm-ivory-rgb), 0.08);
  padding-top: 20px;
}
.diff-item h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--warm-ivory);
  margin-bottom: 4px;
}
.diff-item p {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(var(--warm-ivory-rgb), 0.55);
  margin: 0;
}

/* ===== 18. TRUST BAR ===== */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(var(--warm-ivory-rgb), 0.08);
  padding-top: 40px;
  margin-top: 40px;
}
.trust-stat {
  text-align: center;
  border-right: 1px solid rgba(var(--warm-ivory-rgb), 0.08);
  padding: 0 20px;
}
.trust-stat:last-child { border-right: none; }
.trust-stat .number {
  font-size: 36px;
  font-weight: 700;
  color: var(--rose-light);
  line-height: 1.1;
  margin-bottom: 4px;
}
.trust-stat .label {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(var(--warm-ivory-rgb), 0.45);
}
.trust-stat .desc {
  font-size: 16px;
  color: rgba(var(--warm-ivory-rgb), 0.35);
  margin-top: 6px;
  line-height: 1.4;
}

/* ===== 19. MANTRA ===== */
.mantra-block {
  text-align: center;
  padding: 20px 0 40px;
}
.mantra-block .line {
  font-size: 22px;
  letter-spacing: 4px;
  line-height: 2.2;
  color: rgba(var(--warm-ivory-rgb), 0.9);
}
.mantra-block .line strong {
  color: var(--rose-pale);
}

/* ===== 20. ENGAGEMENT / GARANTIE ===== */
.engagement-bar {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.engagement-bar .badge {
  margin-bottom: 16px;
}
.engagement-bar p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(var(--warm-ivory-rgb), 0.6);
  margin: 0;
}
.engagement-bar p strong {
  color: var(--rose-pale);
  font-weight: 700;
}

/* ===== 21. CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: 60px 0 80px;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--warm-ivory);
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(var(--warm-ivory-rgb), 0.55);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.6;
}
.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* ===== 22. STEP LIST (Timeline) ===== */
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.step-list li {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(74, 13, 27, 0.06);
}
.step-list li:last-child {
  border-bottom: none;
}
.step-num {
  font-size: 16px;
  font-weight: 700;
  color: var(--bordeaux-bright);
  min-width: 60px;
  padding-top: 2px;
}
.step-content {
  flex: 1;
}
.step-content h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}
.step-content p {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.6;
  margin: 0;
}
.step-content .step-livrable {
  font-size: 16px;
  color: var(--bordeaux-bright);
  font-weight: 500;
  margin-top: 4px;
}
.step-content .step-result {
  font-size: 16px;
  color: var(--green);
  font-weight: 500;
  margin-top: 4px;
}

.dark-section .step-list li {
  border-bottom-color: rgba(var(--warm-ivory-rgb), 0.08);
}
.dark-section .step-num {
  color: var(--rose-light);
}
.dark-section .step-content p {
  color: rgba(var(--warm-ivory-rgb), 0.7);
}
.dark-section .step-content .step-livrable {
  color: var(--rose-pale);
}
.dark-section .step-content .step-result {
  color: var(--rose-pale);
}

/* ===== 23. OFFER TABLE ===== */
.offer-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.offer-table th {
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--warm-gray);
  padding: 12px 16px;
  border-bottom: 2px solid rgba(74, 13, 27, 0.06);
}
.offer-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(74, 13, 27, 0.04);
  color: var(--charcoal);
  line-height: 1.5;
}
.offer-table tr:last-child td {
  border-bottom: none;
}
.dark-section .offer-table th {
  color: rgba(var(--warm-ivory-rgb), 0.4);
  border-bottom-color: rgba(var(--warm-ivory-rgb), 0.1);
}
.dark-section .offer-table td {
  color: rgba(var(--warm-ivory-rgb), 0.8);
  border-bottom-color: rgba(var(--warm-ivory-rgb), 0.05);
}

/* ===== 24. SUBTITLE HELPER ===== */
.subtitle-md {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.6;
  text-align: center;
  max-width: 620px;
  margin: 20px auto 0;
}
.dark-section .subtitle-md {
  color: rgba(var(--warm-ivory-rgb), 0.55);
}

/* ===== 25. CONTENT GRID (sidebar layout) ===== */
.content-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.content-grid .sidebar-card {
  position: sticky;
  top: 100px;
}

/* ===== 26. PRICING GRID (Execution Office) ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: 40px;
}
.pricing-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card.featured {
  border: 2px solid var(--bordeaux);
}
.pricing-card .pricing-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--bordeaux-bright);
  margin-bottom: 4px;
}
.pricing-card .pricing-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--charcoal);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.pricing-card .pricing-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--warm-gray);
}
.pricing-card .pricing-desc {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.6;
  flex: 1;
  margin-top: 12px;
}
.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
}
.pricing-card ul li {
  font-size: 16px;
  color: var(--charcoal);
  padding: 6px 0;
  border-top: 1px solid rgba(74, 13, 27, 0.04);
}
.pricing-card ul li:first-child {
  border-top: none;
}
.pricing-card ul li::before {
  content: '✓ ';
  color: var(--green);
  font-weight: 700;
}
.pricing-card .btn {
  margin-top: auto;
}

/* ===== 27. USE CASE CARD (Agents IA) ===== */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: 40px;
}
.use-case-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
}
.use-case-card .uc-sector {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bordeaux-bright);
  margin-bottom: 4px;
}
.use-case-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--charcoal);
}
.use-case-card p {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.6;
  margin-bottom: 8px;
}
.use-case-card .uc-roi {
  font-size: 16px;
  color: var(--green);
  font-weight: 500;
}

/* ===== 28. PROFILE CARD (À propos / About) ===== */
.profile-card {
  display: flex;
  gap: 32px;
  align-items: start;
}
.profile-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.profile-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.profile-info .profile-title {
  font-size: 16px;
  color: var(--bordeaux-bright);
  font-weight: 500;
  margin-bottom: 12px;
}
.profile-info p {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.7;
}

/* ===== 29. TIMELINE (À propos / About) ===== */
.timeline {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(74, 13, 27, 0.1);
}
.timeline li {
  padding-left: 56px;
  position: relative;
  padding-bottom: 32px;
}
.timeline li:last-child {
  padding-bottom: 0;
}
.timeline li::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bordeaux-bright);
  border: 3px solid var(--warm-ivory);
}
.timeline .year {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bordeaux-bright);
  margin-bottom: 2px;
}
.timeline h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 2px;
}
.timeline p {
  font-size: 16px;
  color: var(--warm-gray);
  line-height: 1.5;
  margin: 0;
}

/* ===== 30. CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid rgba(74, 13, 27, 0.04);
}
.contact-card:first-of-type {
  padding-top: 0;
}
.contact-card:last-of-type {
  border-bottom: none;
}
.contact-card .contact-icon {
  font-size: 24px;
  width: 40px;
  flex-shrink: 0;
  text-align: center;
}
.contact-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 2px;
}
.contact-card p {
  font-size: 16px;
  color: var(--warm-gray);
  margin: 0;
}
.contact-card a {
  color: var(--bordeaux);
  text-decoration: none;
  font-weight: 500;
}
.contact-card a:hover {
  text-decoration: underline;
}

/* ===== 31. HOW IT WORKS (Contact) ===== */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: 40px;
}
.step-box {
  text-align: center;
}
.step-box .step-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--rose-light);
  line-height: 1;
  margin-bottom: 8px;
}
.step-box h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--warm-ivory);
  margin-bottom: 6px;
}
.step-box p {
  font-size: 16px;
  line-height: 1.5;
  color: rgba(var(--warm-ivory-rgb), 0.55);
  margin: 0;
}

/* ===== 32. SHADOW HELPERS ===== */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.spacer-2xl { height: 48px; }

/* ===== 33. UTILITIES ===== */
.text-center { text-align: center; }
.list-unstyled { list-style: none; padding: 0; margin: 0; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ===== 34. FOOTER ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid rgba(74, 13, 27, 0.06);
  padding: 56px 0 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand .footer-logo img {
  height: 28px;
  width: auto;
}
.footer-brand p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--warm-gray);
  margin: 14px 0 0;
  max-width: 320px;
}
.footer-col .col-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--warm-gray);
  text-decoration: none;
  font-size: 16px;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--bordeaux);
}
.footer-col .contact-line {
  font-size: 16px;
  color: var(--warm-gray);
  padding: 3px 0;
}
.footer-bottom {
  max-width: var(--max-width);
  margin: 36px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(74, 13, 27, 0.06);
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  color: var(--warm-gray);
}

/* ===== 35. DARK SECTION OVERLAY ===== */
.dark-section .shadow-box {
  background: rgba(var(--warm-ivory-rgb), 0.06);
  color: rgba(var(--warm-ivory-rgb), 0.7);
}
.dark-section .shadow-box code {
  background: rgba(var(--warm-ivory-rgb), 0.1);
  color: var(--rose-light);
}

/* ===== 36. RESPONSIVE ===== */
@media (max-width: 1050px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .grid-2, .grid-3, .content-grid, .use-case-grid, .how-it-works-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .trust-bar { grid-template-columns: 1fr; gap: 32px; }
  .trust-stat { border-right: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  h1 { font-size: 36px; }
  h2 { font-size: 26px; }
  h3 { font-size: 20px; }
  .section-label { font-size: 26px; }
  .hero h1 { font-size: 36px; }
  .hero { padding: 72px 20px 64px; }
  .page-hero h1 { font-size: 36px; }
  .page-hero { padding: 48px 20px 40px; }
  .section { padding: 60px 0; }
  .dark-section { padding: 48px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: center; }
  .mantra-block .line { font-size: 18px; letter-spacing: 2px; }

  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 12px 16px;
    gap: 2px;
    border-top: 1px solid rgba(74, 13, 27, 0.06);
  }
  .main-nav.open { display: flex; }
  .mobile-toggle { display: block; }

  .page-hero .hero-meta { flex-direction: column; gap: 8px; }
  .content-grid .sidebar-card { position: static; }
  .offer-table { font-size: 16px; }
  .offer-table th, .offer-table td { padding: 10px 12px; }
  .profile-card { flex-direction: column; align-items: center; text-align: center; }
  .timeline::before { left: 16px; }
  .timeline li { padding-left: 48px; }
  .timeline li::before { left: 8px; }
}