/* ============================================================
   INFORMATIQUE.CSS — Nemoxia
   ============================================================
   1.  RESET & BASE
   2.  ANIMATIONS
   3.  SECTIONS COMMUNES
   4.  HERO SECTION
   5.  INTRO IMAGE SECTION
   6.  STATS COUNTER SECTION
   7.  IMPORTANCE SECTION
   8.  VISION IMAGE SECTION
   9.  AVANTAGES SECTION
   10. SOLUTIONS SECTION
   11. MÉTHODOLOGIE SECTION
   12. FOOTER
   13. RESPONSIVE
       13a. Mobile       (max 480px)
       13b. Tablette     (max 768px)
       13c. Desktop      (max 1200px)
       13d. Large        (max 1920px)
       13e. Ultra-wide   (min 1921px)
   ============================================================ */


/* ============================================================
   1. RESET & BASE
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background:
    linear-gradient(135deg, rgba(3, 7, 18, 0.88) 0%, rgba(13, 59, 102, 0.45) 100%),
    url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80') center/cover no-repeat fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

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


/* ============================================================
   2. ANIMATIONS
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroSlideUpFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroFadeIn {
  to { opacity: 1; }
}

@keyframes heroPulse {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 0.8; }
}

@keyframes heroFadeInDown {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroSlideInLeft {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes heroFadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 0.8; }
}


/* ============================================================
   3. SECTIONS COMMUNES
   ============================================================ */

.hero-section,
.intro-image-section,
.stats-counter-section,
.importance-section,
.vision-image-section,
.avantages-section,
.solutions-section,
.methodologie-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: clamp(60px, 8vh, 100px) clamp(20px, 5%, 40px);
}

/* Halos radiaux décoratifs */
.hero-section::before,
.intro-image-section::before,
.avantages-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(0, 114, 188, 0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse 4s ease-in-out infinite;
}

.stats-counter-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 114, 188, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.importance-section::before,
.solutions-section::before,
.methodologie-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 70%, rgba(0, 114, 188, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.vision-image-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(0, 114, 188, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* Trait lumineux en bas de section */
.hero-section::after,
.intro-image-section::after,
.stats-counter-section::after,
.importance-section::after,
.vision-image-section::after,
.avantages-section::after,
.solutions-section::after,
.methodologie-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, transparent, #0072BC, transparent);
  box-shadow: 0 0 20px rgba(0, 114, 188, 0.8);
}

.container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.container h2 {
  font-size: clamp(28px, 4vw, 48px);
  color: white;
  text-align: center;
  margin-bottom: clamp(25px, 4vh, 40px);
  font-weight: 700;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.section-badge {
  display: inline-block;
  background: rgba(0, 114, 188, 0.15);
  color: #4db8ff;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: clamp(12px, 1.3vw, 15px);
  font-weight: 700;
  margin-bottom: clamp(15px, 2.5vw, 20px);
  border: 1px solid rgba(0, 114, 188, 0.25);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-intro {
  text-align: center;
  font-size: clamp(15px, 1.8vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  margin: 0 auto clamp(35px, 5vw, 50px);
  line-height: 1.7;
}


/* ============================================================
   4. HERO SECTION
   ============================================================ */

.hero-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(0, 114, 188, 0.15) 0%, transparent 70%);
  opacity: 0;
  animation: heroFadeIn 1s ease-out forwards, heroPulse 4s ease-in-out 1s infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  color: white;
  opacity: 0;
  transform: translateY(30px);
  animation: heroSlideUpFadeIn 0.8s ease-out 0.3s forwards;
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 114, 188, 0.2);
  color: #4db8ff;
  padding: clamp(10px, 1.5vw, 14px) clamp(20px, 3vw, 30px);
  border-radius: 50px;
  font-size: clamp(13px, 1.4vw, 17px);
  font-weight: 700;
  margin-bottom: clamp(25px, 3.5vw, 35px);
  border: 1px solid rgba(0, 114, 188, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0;
  transform: translateY(-20px);
  animation: heroFadeInDown 0.8s ease-out 0.5s forwards;
}

.hero-content h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  margin-bottom: clamp(20px, 3vh, 30px);
  line-height: 1.2;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateX(-30px);
  animation: heroSlideInLeft 0.8s ease-out 0.6s forwards;
}

.hero-subtitle {
  font-size: clamp(15px, 1.8vw, 22px);
  margin-bottom: clamp(30px, 5vh, 45px);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  opacity: 0;
  transform: translateX(-30px);
  animation: heroSlideInLeft 0.8s ease-out 0.8s forwards;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: clamp(40px, 6vw, 60px);
}

.btn-hero-primary,
.btn-hero-secondary {
  padding: clamp(12px, 1.5vw, 18px) clamp(25px, 3vw, 45px);
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-hero-primary {
  background: white;
  color: #0072BC;
  border: 2px solid white;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeInUp 0.8s ease-out 1s forwards;
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(255, 255, 255, 0.4);
  background: #0072BC;
  color: white;
}

.btn-hero-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeInUp 0.8s ease-out 1.1s forwards;
}

.btn-hero-secondary:hover {
  background: white;
  color: #0072BC;
  transform: translateY(-3px);
}

.hero-trust-badges {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeInUp 0.8s ease-out 1.2s forwards;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: clamp(10px, 1.5vw, 15px) clamp(15px, 2vw, 25px);
  background: rgba(0, 114, 188, 0.1);
  border: 1px solid rgba(0, 114, 188, 0.2);
  border-radius: 50px;
  transition: all 0.3s ease;
}

.trust-badge:hover {
  background: rgba(0, 114, 188, 0.2);
  transform: translateY(-3px);
}

.trust-icon {
  font-size: clamp(18px, 2.2vw, 24px);
  color: #22c55e;
}

.trust-text {
  font-size: clamp(13px, 1.4vw, 16px);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  .hero-background, .hero-content, .hero-badge,
  .hero-content h1, .hero-subtitle,
  .btn-hero-primary, .btn-hero-secondary, .hero-trust-badges {
    animation: none;
    opacity: 1;
    transform: none;
  }
}


/* ============================================================
   5. INTRO IMAGE SECTION
   ============================================================ */

.intro-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  max-width: 1400px;
  width: 100%;
}

.intro-text { color: white; }

.intro-text h2 {
  font-size: clamp(26px, 4vw, 48px);
  color: white;
  margin-bottom: clamp(20px, 3vh, 30px);
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.5);
}

.intro-text p {
  font-size: clamp(15px, 1.8vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: clamp(15px, 2.5vh, 22px);
}

.btn-intro {
  display: inline-block;
  background: white;
  color: #0072BC;
  padding: clamp(12px, 1.5vw, 18px) clamp(25px, 3vw, 45px);
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: clamp(15px, 2vw, 25px);
}

.btn-intro:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(255, 255, 255, 0.4);
  background: #0072BC;
  color: white;
}

.intro-image {
  width: 100%;
  min-height: 350px;
  max-height: 550px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.intro-image:hover img { transform: scale(1.05); }


/* ============================================================
   6. STATS COUNTER SECTION
   ============================================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(30px, 4vw, 50px);
  max-width: 1400px;
  margin: 0 auto;
}

.stat-counter {
  text-align: center;
  padding: clamp(35px, 5vw, 50px);
  background: rgba(0, 114, 188, 0.08);
  border: 2px solid rgba(0, 114, 188, 0.25);
  border-radius: 15px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-counter:hover {
  transform: translateY(-10px);
  background: rgba(0, 114, 188, 0.15);
  border-color: rgba(0, 114, 188, 0.4);
  box-shadow: 0 10px 30px rgba(0, 114, 188, 0.3);
}

.stat-icon {
  font-size: clamp(40px, 6vw, 64px);
  margin-bottom: clamp(15px, 2.5vw, 20px);
}

.stat-number {
  display: block;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: #0072BC;
  margin-bottom: clamp(10px, 1.5vw, 15px);
}

.stat-label {
  display: block;
  font-size: clamp(14px, 1.6vw, 18px);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}


/* ============================================================
   7. IMPORTANCE SECTION
   ============================================================ */

.importance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(25px, 3.5vw, 35px);
  margin-top: clamp(30px, 5vh, 45px);
}

.importance-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 15px;
  padding: clamp(25px, 3vw, 35px);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.importance-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 35px rgba(0, 114, 188, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
}

.importance-card .icon {
  font-size: clamp(36px, 4.5vw, 48px);
  margin-bottom: clamp(15px, 2vh, 20px);
}

.importance-card h3 {
  font-size: clamp(18px, 2vw, 24px);
  color: white;
  margin-bottom: clamp(12px, 1.8vh, 18px);
  font-weight: 600;
}

.importance-card p {
  font-size: clamp(14px, 1.5vw, 17px);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin: 0;
}


/* ============================================================
   8. VISION IMAGE SECTION
   ============================================================ */

.vision-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  max-width: 1400px;
  width: 100%;
}

.vision-text { color: white; }

.vision-text h2 {
  font-size: clamp(26px, 4vw, 48px);
  color: white;
  margin-bottom: clamp(20px, 3vh, 30px);
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.5);
}

.vision-text p {
  font-size: clamp(15px, 1.8vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: clamp(15px, 2.5vh, 22px);
}

.vision-image {
  width: 100%;
  min-height: 350px;
  max-height: 550px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vision-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.vision-image:hover img { transform: scale(1.05); }

.vision-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 30px);
  margin-top: clamp(25px, 4vw, 40px);
}

.stat-item {
  text-align: center;
  padding: clamp(15px, 2vw, 20px);
  background: rgba(0, 114, 188, 0.08);
  border-radius: 10px;
  border: 1px solid rgba(0, 114, 188, 0.15);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(0, 114, 188, 0.12);
  transform: translateY(-5px);
}

.stat-item .stat-number {
  display: block;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: #4db8ff;
  margin-bottom: clamp(5px, 1vw, 8px);
}

.stat-item .stat-label {
  display: block;
  font-size: clamp(12px, 1.3vw, 14px);
  color: rgba(255, 255, 255, 0.8);
}


/* ============================================================
   9. AVANTAGES SECTION
   ============================================================ */

.avantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(25px, 3.5vw, 35px);
  margin-top: clamp(30px, 5vh, 45px);
}

.avantage-card {
  background: rgba(0, 0, 0, 0.4);
  border: 2px solid transparent;
  border-radius: 15px;
  padding: clamp(25px, 3vw, 35px);
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.avantage-card:hover {
  transform: translateY(-10px);
  border-color: #0072BC;
  box-shadow: 0 10px 30px rgba(0, 114, 188, 0.3);
  background: rgba(0, 0, 0, 0.2);
}

.avantage-card .icon {
  font-size: clamp(36px, 4.5vw, 48px);
  margin-bottom: clamp(15px, 2vh, 20px);
}

.avantage-card h3 {
  font-size: clamp(18px, 2vw, 24px);
  color: #0072BC;
  margin-bottom: clamp(12px, 1.8vh, 18px);
  font-weight: 600;
}

.avantage-card p {
  font-size: clamp(14px, 1.5vw, 17px);
  color: #f3f3f3;
  line-height: 1.6;
}


/* ============================================================
   10. SOLUTIONS SECTION
   ============================================================ */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(25px, 3.5vw, 35px);
  margin-top: clamp(30px, 5vh, 45px);
}

.solution-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 15px;
  padding: clamp(25px, 3.5vw, 35px);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 114, 188, 0.25);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
}

.solution-card h3 {
  font-size: clamp(20px, 2.2vw, 26px);
  color: #4db8ff;
  margin-bottom: clamp(15px, 2vh, 20px);
  font-weight: 600;
  text-align: center;
}

.solution-card p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: clamp(18px, 2.5vh, 25px);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.6;
  text-align: center;
}

.solution-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 1vh, 10px);
}

.solution-card ul li {
  position: relative;
  padding-left: clamp(25px, 3vw, 30px);
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(13px, 1.4vw, 16px);
  text-align: left;
  max-width: fit-content;
}

.solution-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: #4db8ff;
  font-weight: bold;
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.4;
}


/* ============================================================
   11. MÉTHODOLOGIE SECTION
   ============================================================ */

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(25px, 3.5vw, 35px);
  margin-top: clamp(30px, 5vh, 45px);
}

.step-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 15px;
  padding: clamp(25px, 3.5vw, 35px);
  text-align: center;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 114, 188, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(55px, 7vw, 70px);
  height: clamp(55px, 7vw, 70px);
  background: linear-gradient(135deg, #0072BC 0%, #0d3b66 100%);
  color: white;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: clamp(18px, 2.5vh, 25px);
  box-shadow: 0 5px 15px rgba(0, 114, 188, 0.4);
}

.step-card h3 {
  font-size: clamp(18px, 2vw, 24px);
  color: white;
  margin-bottom: clamp(12px, 1.8vh, 18px);
  font-weight: 600;
}

.step-card p {
  font-size: clamp(13px, 1.4vw, 16px);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0;
}


/* ============================================================
   12. FOOTER
   ============================================================ */

footer {
  background: linear-gradient(180deg, #1a3a5c 0%, #0d2440 100%);
  color: white;
  padding: clamp(30px, 5vw, 50px) 5%;
  box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.3);
  position: relative;
  isolation: isolate;
}

footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(1, 15, 46, 0.5);
  pointer-events: none;
  z-index: 0;
}

footer > * {
  position: relative;
  z-index: 1;
}

footer h3 {
  color: lightskyblue;
  margin-bottom: 15px;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  text-shadow: 0 2px 8px rgba(135, 206, 250, 0.3);
}

footer ul { list-style: none; padding: 0; }
footer ul li { margin-bottom: 8px; font-size: clamp(0.85rem, 1.2vw, 0.95rem); }

footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s;
}

footer a:hover {
  color: #0072BC;
  text-shadow: 0 0 8px rgba(0, 114, 188, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: clamp(20px, 4vw, 30px);
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

.footer-grid a { color: #0099ff; transition: color 0.3s; }

.footer-bottom {
  text-align: center;
  border-top: 1px solid #0099ff;
  margin-top: clamp(20px, 4vw, 30px);
  padding-top: clamp(15px, 3vw, 20px);
  font-size: clamp(0.8rem, 1.5vw, 0.9rem);
  opacity: 0.8;
}

.footer-bottom p { text-align: center; }
.footer-bottom a { color: #0099ff; }


/* ============================================================
   13. RESPONSIVE
   ============================================================ */

/* ── 13a. Mobile (max 480px) ── */
@media (max-width: 480px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    padding: 70px 4% 35px;
    min-height: auto;
  }

  .intro-content-wrapper,
  .vision-content-wrapper {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .intro-text, .vision-text { order: 2; text-align: center; }
  .intro-image, .vision-image { order: 1; min-height: 260px; max-height: 380px; }

  .btn-intro {
    display: flex;
    justify-content: center;
    margin: 15px auto 0;
  }

  .vision-stats,
  .importance-grid,
  .avantages-grid,
  .solutions-grid,
  .steps-container,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; max-width: 320px; }

  .footer-grid { grid-template-columns: 1fr; text-align: center; }
}

/* ── 13b. Tablette (max 768px) ── */
@media (min-width: 481px) and (max-width: 768px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    padding: 85px 5% 45px;
    min-height: auto;
  }

  .intro-content-wrapper,
  .vision-content-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .intro-text, .vision-text { order: 2; }
  .intro-image, .vision-image { order: 1; min-height: 300px; max-height: 460px; }

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

  .importance-grid,
  .avantages-grid,
  .solutions-grid,
  .steps-container,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

/* ── 13b bis. Tablette large (769px – 1023px) ── */
@media (min-width: 769px) and (max-width: 1023px) {
  .intro-content-wrapper,
  .vision-content-wrapper {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .intro-text, .vision-text { order: 2; }
  .intro-image, .vision-image { order: 1; min-height: 340px; max-height: 520px; }

  .importance-grid,
  .avantages-grid,
  .solutions-grid,
  .steps-container,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── 13c. Desktop (1024px – 1200px) ── */
@media (min-width: 1024px) and (max-width: 1200px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    padding: 80px 5% 50px;
    min-height: auto;
  }

  .intro-content-wrapper,
  .vision-content-wrapper { gap: 35px; }
  .intro-image, .vision-image { min-height: 300px; max-height: 420px; }

  .importance-grid,
  .avantages-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .solutions-grid,
  .steps-container { grid-template-columns: repeat(3, 1fr); gap: 20px; }

  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── 13d. Large (1201px – 1920px) ── */
@media (min-width: 1201px) and (max-width: 1920px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    padding: 90px 6% 60px;
    min-height: auto;
  }

  .intro-content-wrapper,
  .vision-content-wrapper { max-width: 1400px; gap: 60px; }
  .intro-image, .vision-image { min-height: 340px; max-height: 500px; }

  .importance-grid,
  .avantages-grid { grid-template-columns: repeat(4, 1fr); gap: 25px; }

  .solutions-grid,
  .steps-container { grid-template-columns: repeat(3, 1fr); gap: 25px; }

  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 25px; }

  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── 13e. Ultra-wide (min 1921px) ── */
@media (min-width: 1921px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    padding: 130px 10% 90px;
  }

  .intro-content-wrapper,
  .vision-content-wrapper { max-width: 1900px; gap: 90px; }
  .intro-image, .vision-image { min-height: 460px; max-height: 660px; }

  .importance-grid,
  .avantages-grid { grid-template-columns: repeat(4, 1fr); gap: 40px; }

  .solutions-grid,
  .steps-container { grid-template-columns: repeat(3, 1fr); gap: 40px; }

  .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 40px; }

  .container { max-width: 1900px; }
  .footer-grid { max-width: 1900px; grid-template-columns: repeat(4, 1fr); }
}

/* ── Hauteur réduite (paysage mobile) ── */
@media (max-height: 600px) {
  .hero-section,
  .intro-image-section,
  .stats-counter-section,
  .importance-section,
  .vision-image-section,
  .avantages-section,
  .solutions-section,
  .methodologie-section {
    min-height: auto;
    padding: 70px 5% 35px;
  }

  .intro-image, .vision-image { min-height: 220px; max-height: 320px; }
}

/* ── Accessibilité : préférence réduction animations ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}