/* ============================================================
   GMK CONSULTING — Premium Design System (McKinsey Standard)
   ============================================================ */

/* --- Variables --- */
:root {
  /* PRIMARY COLORS */
  --primary:       #030405;
  --primary-dark:  #030405;
  --primary-light: #30302F;
  --accent:        #D9B49C;
  --accent-hover:  #C4A38A;
  --accent-gold:   #D9B49C;
  --white:         #FFFFFF;

  /* GRAYS */
  --gray-50:       #FBEFE5;
  --gray-100:      #F5EBE0;
  --gray-200:      #EDECE9;
  --gray-400:      #A09A94;
  --gray-600:      #4A4845;
  --gray-800:      #30302F;

  /* TEXT COLORS */
  --text:          #030405;
  --text-light:    #6B6560;

  /* FONTS */
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;

  /* SIZING */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* SHADOWS */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 40px rgba(0,0,0,.15);

  /* LAYOUT */
  --nav-height: 72px;
  --max-width:  1280px;
  --section-py: 96px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--primary);
  font-weight: 700;
}
h1 { font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 700; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.05rem; font-weight: 600; }

p  { color: var(--text-light); line-height: 1.75; margin-bottom: 1rem; }

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

.section { padding: var(--section-py) 0; }
.section--gray { background: var(--gray-50); }
.section--dark {
  background: var(--primary);
  color: var(--white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--white); }
.section--dark p   { color: rgba(255,255,255,.75); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  text-transform: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(3, 4, 5, 0.25);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(3, 4, 5, 0.35);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.7);
  border-width: 2px;
}
.btn-secondary:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
  border-width: 2px;
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(3, 4, 5, 0.3);
}
.btn-dark:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(3, 4, 5, 0.4);
}

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--primary);
  text-decoration: none;
  transition: opacity var(--transition);
}
.navbar__logo:hover {
  opacity: 0.8;
}
.navbar__logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
  letter-spacing: -0.3px;
}

.navbar__logo img {
  max-height: 65px;
  width: auto;
  display: block;
}
.navbar__logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -1px;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.navbar__menu a {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
}
.navbar__menu a::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.navbar__menu a:hover::after,
.navbar__menu a.active::after {
  transform: scaleX(1);
}
.navbar__menu a:hover,
.navbar__menu a.active {
  color: var(--accent);
}

/* Dropdown */
.navbar__dropdown { position: relative; }
.navbar__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: 8px;
  z-index: 100;
}
.navbar__dropdown:hover .navbar__dropdown-menu { display: block; }
.navbar__dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  color: var(--text);
}
.navbar__dropdown-menu a:hover { background: var(--gray-50); color: var(--primary); }

.navbar__cta { margin-left: 12px; }

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.navbar__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: .3s;
}

/* --- Hero --- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  padding: var(--nav-height) 32px 96px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(217, 180, 156, .12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,169,110,.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 180, 156, .25);
  color: #F0D5C3;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.1;
}
.hero p {
  color: rgba(255,255,255,.85);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin-bottom: 40px;
  max-width: 600px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero__card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(8px);
  width: 100%;
  max-width: 380px;
}
.hero__card-stat {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.hero__card-stat:last-child { margin-bottom: 0; }
.hero__card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.hero__card-icon--blue  { background: rgba(58,130,232,.2); }
.hero__card-icon--red   { background: rgba(217, 180, 156, .2); }
.hero__card-icon--green { background: rgba(34,197,94,.2); }
.hero__card-text strong { color: var(--white); display: block; font-size: 1.3rem; font-weight: 800; }
.hero__card-text span   { color: rgba(255,255,255,.55); font-size: .82rem; }

/* --- Page Hero (sous-pages) --- */
.page-hero {
  background: var(--primary);
  padding: calc(var(--nav-height) + 56px) 0 64px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p  { color: rgba(255,255,255,.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* Page Hero avec image de fond */
.page-hero--img {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: calc(var(--nav-height) + 72px) 0 80px;
}
.page-hero--img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(3, 4, 5, .62);
  z-index: 0;
}
.page-hero--img > .container {
  position: relative;
  z-index: 1;
}
.page-hero--img p {
  color: rgba(255,255,255,.85);
}

/* --- Cards --- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
  border-color: var(--accent);
}
.card__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(217, 180, 156, 0.3);
}
.card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--primary);
}
.card p {
  flex-grow: 1;
  font-size: .95rem;
  margin-bottom: 20px;
  color: var(--text-light);
  line-height: 1.7;
}
.card .btn {
  align-self: flex-start;
}

/* --- Service Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- Tags --- */
.tag {
  display: inline-block;
  background: #FBEFE5;
  color: var(--primary);
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-right: 6px;
  margin-bottom: 6px;
}

/* --- Approach Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
.step {
  text-align: center;
  padding: 32px 24px;
}
.step__number {
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 20px;
}
.step h3 { margin-bottom: 12px; font-size: 1rem; }

/* --- Stats --- */
.stats {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: var(--radius-xl);
  padding: 48px 32px;
  margin: 80px 32px;
  box-shadow: 0 20px 40px rgba(217, 180, 156, 0.2);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}
.stat {
  animation: slideInUp 0.6s ease-out;
}
.stat strong {
  display: block;
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}
.stat span {
  color: rgba(255,255,255,.9);
  font-size: .95rem;
  font-weight: 500;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.testimonial {
  background: var(--light-bg);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}
.testimonial:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}
.testimonial__quote {
  font-size: .95rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.8;
}
.testimonial__quote::before {
  content: '\201C';
  color: var(--accent);
  font-size: 2.5rem;
  line-height: 0;
  vertical-align: -15px;
  margin-right: 4px;
  opacity: 0.3;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial__name {
  font-weight: 600;
  font-size: .95rem;
  color: var(--primary);
}
.testimonial__role {
  font-size: .8rem;
  color: var(--text-light);
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-2xl);
  padding: 64px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 40px rgba(3, 4, 5, 0.15);
  margin: 80px 32px;
}
.cta-banner::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(217, 180, 156, .2) 0%, transparent 70%);
}
.cta-banner h2 {
  color: var(--white);
  margin-bottom: 12px;
  font-size: 2rem;
}
.cta-banner p {
  color: rgba(255,255,255,.8);
  margin: 0;
  font-size: 1.05rem;
}

/* --- Service Detail Page --- */
.service-detail { padding: 80px 0; }
.service-detail__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
}
.service-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}
.service-sidebar__card {
  background: var(--primary);
  border-radius: var(--radius-md);
  padding: 28px;
  color: var(--white);
  margin-bottom: 20px;
}
.service-sidebar__card h4 { color: var(--white); margin-bottom: 16px; }
.service-sidebar__nav {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 20px;
}
.service-sidebar__nav h4 { margin-bottom: 12px; font-size: .9rem; }
.service-sidebar__nav a {
  display: block;
  padding: 8px 0;
  font-size: .875rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--gray-200);
  transition: color .15s;
}
.service-sidebar__nav a:last-child { border-bottom: none; }
.service-sidebar__nav a:hover,
.service-sidebar__nav a.active { color: var(--primary); font-weight: 600; }

.service-content h2 { margin: 40px 0 16px; font-size: 1.6rem; }
.service-content h3 { margin: 28px 0 12px; }
.service-content p  { margin-bottom: 16px; }
.service-content ul { margin: 16px 0 24px 20px; list-style: disc; }
.service-content ul li { margin-bottom: 8px; color: var(--text-light); }

.benefits-list { list-style: none !important; margin-left: 0 !important; }
.benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px !important;
  color: var(--text) !important;
}
.benefits-list li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.quote-block {
  background: var(--gray-50);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin: 32px 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-info__icon {
  width: 44px;
  height: 44px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info__label { font-size: .8rem; color: var(--text-light); margin-bottom: 2px; }
.contact-info__value { font-weight: 600; color: var(--text); font-size: .95rem; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* --- Études de cas --- */
.etude-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .25s;
  display: flex;
  flex-direction: column;
}
.etude-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.etude-card__header {
  background: var(--primary);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.etude-card__header::after {
  content: attr(data-icon);
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  opacity: .2;
}
.etude-card__body { padding: 28px; flex-grow: 1; display: flex; flex-direction: column; }
.etude-card__tags { margin-bottom: 14px; }
.etude-card__body h3 { color: var(--primary); margin-bottom: 10px; font-size: 1.05rem; }
.etude-card__body p  { font-size: .9rem; flex-grow: 1; margin-bottom: 20px; }
.etude-card__body .btn { align-self: flex-start; }

.etudes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.4); }

/* --- Footer --- */
.footer {
  background: var(--gray-800);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand .navbar__logo { color: var(--white); margin-bottom: 16px; }
.footer__brand p { font-size: .875rem; line-height: 1.7; }
.footer__col h4 {
  color: var(--white);
  font-size: .875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 10px;
  transition: color .15s;
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .825rem;
}

/* --- Chatbot Widget --- */
.chatbot-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(217, 180, 156, 0.4);
  z-index: 9000;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.chatbot-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 30px rgba(217, 180, 156, 0.5);
}

.chatbot-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--white);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.15); }
}

.chatbot-window {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 380px;
  max-height: 560px;
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  z-index: 9000;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(.95);
  pointer-events: none;
  transition: all var(--transition);
}
.chatbot-window.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.chatbot-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.chatbot-avatar {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.chatbot-header-info strong { display: block; font-size: .95rem; }
.chatbot-header-info span   { font-size: .78rem; color: rgba(255,255,255,.7); }
.chatbot-status { display: inline-flex; align-items: center; gap: 4px; }
.chatbot-status::before { content: ''; width: 7px; height: 7px; background: #4ade80; border-radius: 50%; }
.chatbot-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
  opacity: .7;
  padding: 4px;
  transition: opacity .15s;
}
.chatbot-close:hover { opacity: 1; }

.chatbot-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 380px;
}

.msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: .875rem;
  line-height: 1.5;
  word-break: break-word;
}
.msg--bot {
  background: var(--gray-100);
  color: var(--text);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  border-left: 3px solid var(--accent);
}
.msg--user {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--white);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.msg--typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 16px;
}
.msg--typing span {
  width: 8px;
  height: 8px;
  background: var(--gray-400);
  border-radius: 50%;
  animation: bounce .8s infinite;
}
.msg--typing span:nth-child(2) { animation-delay: .16s; }
.msg--typing span:nth-child(3) { animation-delay: .32s; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.chatbot-input-row {
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: 8px;
}
.chatbot-input-row input {
  flex-grow: 1;
  border: 1.5px solid var(--gray-200);
  border-radius: 100px;
  padding: 10px 18px;
  font-size: .875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color .2s;
}
.chatbot-input-row input:focus { border-color: var(--primary); }
.chatbot-send {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
  flex-shrink: 0;
}
.chatbot-send:hover { background: var(--primary-dark); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer__grid  { grid-template-columns: 1fr 1fr; }
  .hero__inner   { gap: 40px; }
  .service-detail__grid { grid-template-columns: 1fr; }
  .service-sidebar { position: static; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }

  .navbar__menu, .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--white);
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    gap: 4px;
  }

  .hero__inner   { grid-template-columns: 1fr; }
  .hero__visual  { display: none; }
  .hero          { min-height: 85vh; }

  .services-grid      { grid-template-columns: 1fr; }
  .testimonials-grid  { grid-template-columns: 1fr; }
  .etudes-grid        { grid-template-columns: 1fr; }
  .contact-grid       { grid-template-columns: 1fr; }
  .stats-grid         { grid-template-columns: repeat(2, 1fr); }
  .steps-grid         { grid-template-columns: 1fr 1fr; }
  .footer__grid       { grid-template-columns: 1fr; }
  .cta-banner         { flex-direction: column; text-align: center; padding: 40px 24px; }
  .form-row           { grid-template-columns: 1fr; }

  .chatbot-window { width: calc(100vw - 32px); right: 16px; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CORRECTIFS — Bouton Contact & Logo Navbar
   ============================================================ */

/* Fix 1 : .navbar__menu a (0,1,1) surclasse .btn-primary (0,1,0) */
.navbar__menu .btn-primary,
.navbar__menu .btn-primary:visited {
  color: var(--white);
}

/* Fix 2 : Logo navbar (PNG transparent) → visible sur fond blanc */
.navbar__logo img {
  max-height: 65px;
  width: auto;
  display: block;
}
/* =====================================================
   SERVICES — DESIGN PREMIUM (v2)
   ===================================================== */

/* --- Service Card Enhanced (index) --- */
.svc-card { border-top: 3px solid var(--accent); }
.svc-card__tag {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}
.svc-card__features {
  list-style: none !important;
  margin: 0 0 20px !important;
  padding: 0;
  border-top: 1px solid var(--gray-200);
  padding-top: 14px;
}
.svc-card__features li {
  padding: 5px 0;
  font-size: .845rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}
.svc-card__features li::before {
  content: '';
  width: 5px;
  height: 5px;
  min-width: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* --- Btn Outline --- */
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--gray-400);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .845rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* --- Why-Choose Grid (services index) --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 48px;
  margin-top: 3rem;
}
.why-item { display: flex; gap: 22px; align-items: flex-start; }
.why-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 52px;
}
.why-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.why-item p  { margin-bottom: 0; font-size: .92rem; }

/* --- Service Highlights Bar (individual pages) --- */
.service-highlights {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  padding: 28px 0;
}
.service-highlights__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  text-align: center;
}
.sh-item {
  padding: 12px 24px;
  border-right: 1px solid var(--gray-200);
}
.sh-item:last-child { border-right: none; }
.sh-item__value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  margin-bottom: 2px;
}
.sh-item__label {
  font-size: .77rem;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* --- Intro Callout Box --- */
.intro-callout {
  background: var(--gray-50);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 22px 26px;
  margin-bottom: 36px;
}
.intro-callout p {
  margin-bottom: 0;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
}

/* --- Numbered Service Steps --- */
.service-steps { margin: 0 0 32px; }
.service-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--gray-200);
}
.service-step:last-child { border-bottom: none; }
.service-step__num {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .78rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.service-step h3 {
  margin: 0 0 7px !important;
  font-size: 1.05rem !important;
  color: var(--primary);
}
.service-step p { margin-bottom: 0; font-size: .93rem; }

/* --- FAQ Accordion --- */
.faq-list { margin-top: 20px; }
details.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
}
details.faq-item summary {
  list-style: none;
  padding: 16px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: .92rem;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  transition: background .15s;
  user-select: none;
  gap: 16px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform .2s;
}
details.faq-item[open] > summary { background: var(--gray-50); }
details.faq-item[open] > summary::after { content: '−'; }
.faq-body {
  padding: 4px 22px 18px;
  color: var(--text-light);
  line-height: 1.75;
  font-size: .92rem;
}

/* --- Service page: section label badge --- */
.service-section-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr; gap: 28px; }
  .service-highlights__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .service-highlights__grid { grid-template-columns: 1fr; }
  .sh-item { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .sh-item:last-child { border-bottom: none; }
  .why-grid { grid-template-columns: 1fr; }
}