/* ===================================
   BÉBÉ EXPRESS — VERSION STITCH
   Design System: "The Serenity Layer"
   Palette: Bleu Pastel Bébé Express
   Fonts: Manrope + Plus Jakarta Sans
   =================================== */

/* Skip link (accessibilité) */
.skip-link {
  position: absolute;
  top: -50px;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 0.5rem 1.2rem;
  border-radius: 0 0 var(--r-sm) 0;
  z-index: 9999;
  font-weight: 700;
  font-size: 0.9rem;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 0;
}

:root {
  /* Primary Colors (Bleu Bébé Express) */
  --primary: #4A90E2;      /* Un bleu vif mais doux pour boutons et textes */
  --primary-dim: #357ABD;  /* Un bleu plus foncé pour le survol */
  --primary-container: #CBE6F8; /* Un bleu pastel clair pour l'orbe et la glow */
  --on-primary: #FFFFFF;

  /* Secondary */
  --secondary: #00668E;
  --secondary-container: #C6E7FF;

  /* Tertiary (for "problem" states) */
  --tertiary: #8C4B5B;
  --tertiary-container: #F3A2B3;

  /* Surfaces (Bleu Pastel Bébé Express) */
  --surface: #E8F4FA;
  --surface-container: #DCECF5;
  --surface-container-low: #E2EFF7;
  --surface-container-lowest: #F2F9FC;
  --surface-container-high: #D4E6F0;

  /* Text */
  --on-surface: #2E3335;
  --on-surface-variant: #5A6062;
  --outline: #767C7E;
  --outline-variant: #AEB3B5;

  /* Overrides from Stitch */
  --accent-green: #40916C;
  --accent-blue: #58A4D0;
  --accent-pink: #F4A3B4;

  /* Radii */
  --r-sm: 0.75rem;
  --r-md: 1rem;
  --r-lg: 1.5rem;
  --r-xl: 2rem;
  --r-full: 9999px;

  /* Shadows (Ambient Softness) */
  --shadow-ambient: 0 8px 32px rgba(46, 51, 53, 0.04);
  --shadow-hover: 0 16px 48px rgba(46, 51, 53, 0.08);
  --shadow-card: 0 2px 12px rgba(46, 51, 53, 0.06);

  /* Transition */
  --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--on-surface-variant);
  background: var(--surface);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Manrope', sans-serif;
  color: var(--on-surface);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-accent { color: var(--primary); }

/* ===================================
   HEADER
   =================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all 0.4s var(--ease);
}

header.scrolled {
  background: rgba(232, 244, 250, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.6rem 0;
  box-shadow: var(--shadow-ambient);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-img {
  height: 65px;
  transition: height 0.3s var(--ease);
}

header.scrolled .logo-img { height: 48px; }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface-variant);
  transition: color 0.3s;
  position: relative;
}

.nav-links a:not(.nav-cta):hover { color: var(--primary); }

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--primary);
  transition: width 0.3s var(--ease);
}

.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: var(--on-primary) !important;
  padding: 0.6rem 1.5rem;
  border-radius: var(--r-full);
  font-size: 0.9rem !important;
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 16px rgba(74, 144, 226, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--on-surface);
  cursor: pointer;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2rem;
  border-radius: var(--r-full);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: white;
  box-shadow: 0 6px 20px rgba(74, 144, 226, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(74, 144, 226, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--on-surface);
  border: 2px solid var(--outline-variant);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===================================
   HERO
   =================================== */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  background: var(--surface-container-lowest);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  top: -100px; right: -50px;
  background: var(--primary-container);
  animation: orbFloat 20s infinite alternate ease-in-out;
}

.hero-orb-2 {
  width: 350px; height: 350px;
  bottom: -80px; left: -50px;
  background: var(--accent-pink);
  animation: orbFloat 15s infinite alternate-reverse ease-in-out;
}

.hero-orb-3 {
  width: 250px; height: 250px;
  top: 40%; left: 30%;
  background: var(--secondary-container);
  animation: orbFloat 18s infinite alternate ease-in-out;
  animation-delay: -5s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.15); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3rem; /* Légèrement réduit pour s'adapter au texte plus long */
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--on-surface); /* Couleur standardisée pour s'aligner avec les autres titres */
  line-height: 1.2;
}

.badge {
  display: inline-block;
  background: var(--primary-container);
  color: var(--primary-dim);
  padding: 0.4rem 1rem;
  border-radius: var(--r-full);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--on-surface-variant);
  margin-bottom: 0.8rem;
  max-width: 500px;
}

.hero-tagline {
  font-style: italic;
  color: var(--on-surface-variant);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-img-frame {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}

.hero-img-frame img {
  width: 100%;
  height: auto;
  transition: transform 0.6s var(--ease);
}

.hero-img-frame:hover img {
  transform: scale(1.03);
}

/* ===================================
   PARTNERS
   =================================== */
.section--partners {
  padding: 40px 0;
  background: var(--surface-container-lowest);
  border-bottom: 1px solid var(--surface-container-low);
  text-align: center;
}

.partners-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--outline);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.partners-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.partner-logo {
  max-height: 60px;
  max-width: 160px;
  object-fit: contain;
  opacity: 0.6;
  filter: grayscale(1);
  transition: all 0.3s var(--ease);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(-2px);
}

/* ===================================
   SECTIONS COMMON
   =================================== */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  display: inline-block;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #2D7AB8;
  margin-bottom: 1rem;
}

.section-label--light { color: var(--primary-container); }

.section-header h2 {
  font-size: 2.8rem;
  font-weight: 800;
}

.section-quote {
  font-style: italic;
  color: var(--outline);
  margin-top: 1rem;
  font-size: 1.1rem;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--on-surface-variant);
  max-width: 800px;
  margin: 1rem auto 0;
  line-height: 1.6;
}

/* ===================================
   PROBLEM
   =================================== */
.section--problem {
  background: var(--surface-container-lowest);
}

.problem-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.problem-visual img {
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-ambient);
  width: 100%;
}

.problem-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.problem-card {
  background: var(--surface-container-lowest);
  border-radius: var(--r-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.problem-stat {
  font-family: 'Manrope', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--tertiary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.problem-stat .unit {
  font-size: 1.5rem;
  color: var(--tertiary-container);
}

.problem-card--alert {
  background: linear-gradient(135deg, rgba(140, 75, 91, 0.08), rgba(244, 163, 180, 0.1));
  display: flex;
  align-items: center;
  gap: 1rem;
}

.problem-card--alert i {
  font-size: 2.5rem;
  color: var(--tertiary);
  flex-shrink: 0;
}

/* ===================================
   SOLUTION
   =================================== */
.section--solution {
  background: linear-gradient(180deg, var(--surface), var(--surface-container-low));
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
}

.solution-desc {
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
}

.features-stack {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.feature-row {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--surface-container-lowest);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease);
}

.feature-row:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: white;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.feature-row h4 {
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.solution-visual img {
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.12));
  animation: machineFloat 6s infinite ease-in-out;
}

@keyframes machineFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===================================
   LIEUX (Interactive tabs)
   =================================== */
.section--lieux {
  background: var(--surface-container-lowest);
}

.lieux-interactive {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}

.lieux-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.lieu-tab {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--surface-container-low);
  border: 2px solid transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--on-surface-variant);
  transition: all 0.3s var(--ease);
  text-align: left;
}

.lieu-tab i {
  font-size: 1.5rem;
  color: var(--outline);
  transition: color 0.3s;
}

.lieu-tab:hover {
  border-color: var(--primary-container);
  background: var(--surface-container-lowest);
}

.lieu-tab.active {
  border-color: var(--primary);
  background: var(--surface-container-lowest);
  color: var(--primary);
  box-shadow: var(--shadow-ambient);
  transform: translateX(6px);
}

.lieu-tab.active i { color: var(--primary); }

.lieux-preview {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 16/10;
}

.lieux-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease;
}

.lieux-preview img.fading { opacity: 0; }

/* ===================================
   EXPERIENCE
   =================================== */
.section--experience {
  background: var(--surface);
}

.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.exp-visual img {
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-hover);
}

.exp-content h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.exp-pills {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.exp-pill {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--surface-container-lowest);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  font-weight: 500;
  transition: all 0.3s var(--ease);
}

.exp-pill i {
  font-size: 1.3rem;
  color: var(--primary);
}

.exp-pill:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
}

/* ===================================
   IMPACT
   =================================== */
.section--impact {
  background: linear-gradient(180deg, var(--surface-container-low), var(--surface));
}

.impact-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.impact-feature-card {
  background: var(--surface-container-lowest);
  padding: 2.5rem 1.5rem;
  border-radius: var(--r-xl);
  text-align: center;
  box-shadow: var(--shadow-ambient);
  transition: all 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.impact-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.impact-feature-card i {
  font-size: 3rem;
  color: var(--primary);
  background: var(--primary-container);
  padding: 1rem;
  border-radius: 50%;
  margin-bottom: 0.5rem;
}

.impact-feature-card p {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  color: var(--on-surface);
  font-size: 1.1rem;
  line-height: 1.4;
}

.impact-visual {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.impact-visual img {
  width: 100%;
}

/* ===================================
   INNOVATION
   =================================== */
.section--innovation {
  background: var(--on-surface);
  color: rgba(255, 255, 255, 0.8);
}

.section--innovation h2,
.section--innovation h4 {
  color: white;
}

.innov-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.innov-features {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.innov-feat {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s var(--ease);
}

.innov-feat:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(6px);
}

.innov-feat i {
  font-size: 2rem;
  color: var(--primary-container);
  flex-shrink: 0;
}

.innov-visual img {
  border-radius: var(--r-lg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

/* ===================================
   VALUES
   =================================== */
.section--values {
  background: var(--surface-container-lowest);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.value-card {
  background: var(--surface);
  padding: 2.5rem 2rem;
  border-radius: var(--r-lg);
  text-align: center;
  transition: all 0.3s var(--ease);
  border: 1px solid transparent;
}

.value-card:hover {
  border-color: var(--primary-container);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.value-icon {
  width: 64px; height: 64px;
  margin: 0 auto 1.5rem;
  background: var(--primary-container);
  color: var(--primary-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.value-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

/* ===================================
   AMBITION
   =================================== */
.section--ambition {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  color: white;
}

.section--ambition .section-label {
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.15); /* Optionnel : léger fond pour le label */
}

.section--ambition .text-accent {
  color: white;
}

.section--ambition .exp-pill {
  color: var(--on-surface);
}

.section--ambition .exp-pill strong {
  color: var(--on-surface);
}

.section--ambition .exp-pill span {
  color: var(--on-surface-variant) !important;
}

.ambition-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.ambition-layout h2 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.ambition-layout p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.ambition-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.ambition-card {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem;
  background: white;
  border-radius: var(--r-lg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.ambition-card:hover {
  transform: translateX(6px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.ambition-card i {
  font-size: 1.8rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.ambition-card h4 {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-surface);
  margin-bottom: 0.3rem;
}

.ambition-card p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin: 0;
  opacity: 1;
}

/* ===================================
   CONTACT
   =================================== */
.section--contact {
  background: var(--surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.contact-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-direct {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.contact-direct i {
  font-size: 1.5rem;
  color: var(--primary);
}

.contact-direct a {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
  border-bottom: 2px solid var(--primary-container);
  transition: border-color 0.3s;
}

.contact-direct a:hover {
  border-color: var(--primary);
}

.contact-form {
  background: var(--surface-container-lowest);
  padding: 2.5rem;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-ambient);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--on-surface);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 2px solid var(--surface-container-high);
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 1rem;
  background: var(--surface);
  color: var(--on-surface);
  transition: border-color 0.3s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.form-group textarea { resize: vertical; }

/* ===================================
   FOOTER
   =================================== */
footer {
  background: var(--on-surface);
  color: rgba(255, 255, 255, 0.5);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.6;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--primary-container); }

/* ===================================
   REVEAL ANIMATIONS
   =================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .problem-layout,
  .solution-grid,
  .lieux-interactive,
  .exp-grid,
  .innov-grid,
  .ambition-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

  .hero-content h1 { font-size: 3rem; }
  .section-header h2 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--surface-container-lowest);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-hover);
    transition: right 0.4s var(--ease);
    z-index: 1001;
  }

  .nav-links.open { right: 0; }

  .mobile-menu-btn {
    display: block;
    z-index: 1002;
  }

  .hero-content h1 { font-size: 2.5rem; }
  .section-header h2 { font-size: 1.8rem; }

  .values-grid,
  .impact-features-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .contact-form { padding: 1.5rem; }

  .partners-grid { gap: 2rem; }

  .section { padding: 60px 0; }
  .hero { padding: 120px 0 60px; }
  .container { padding: 0 1.2rem; }
}