/* ==========================================================================
   Mon IA & Moi — Site vitrine
   ========================================================================== */

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

:root {
  --color-primary: #3398AF;
  --color-primary-dark: #2a7a8e;
  --color-primary-light: #e8f4f7;
  --color-primary-subtle: #f0f9fb;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-lighter: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-error: #ef4444;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;
  --max-width: 1140px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --transition: 150ms ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: 2.75rem; letter-spacing: -.02em; }
h2 { font-size: 2rem; letter-spacing: -.015em; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

.text-light { color: var(--color-text-light); }
.text-center { text-align: center; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section__header p {
  margin-top: .75rem;
  color: var(--color-text-light);
  font-size: 1.125rem;
}

.section__label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  font-size: .9375rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.btn--white:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.btn--sm {
  padding: .5rem 1rem;
  font-size: .8125rem;
}

/* ---------- Header / Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.navbar__logo img {
  height: 40px;
  width: auto;
}

.navbar__logo span {
  color: var(--color-primary);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar__links a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.navbar__links a:hover {
  color: var(--color-primary);
}

.navbar__links a.btn {
  color: #fff;
}

.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  cursor: pointer;
}

.navbar__dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: .5rem 0;
  min-width: 200px;
  z-index: 1000;
  list-style: none;
}

.navbar__dropdown:hover .navbar__dropdown-menu {
  display: block;
}

.navbar__dropdown-menu li {
  list-style: none;
}

.navbar__dropdown-menu a {
  display: block;
  padding: .5rem 1.25rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-light);
  white-space: nowrap;
}

.navbar__dropdown-menu a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}

.navbar__toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text);
}

/* Mobile nav overlay */
.navbar__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  z-index: 99;
  padding: 6rem 2rem 2rem;
  flex-direction: column;
  gap: 1.5rem;
}

.navbar__mobile.open {
  display: flex;
}

.navbar__mobile a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.navbar__mobile a:hover {
  color: var(--color-primary);
}

/* ---------- Hero ---------- */
.hero {
  padding: 10rem 0 5rem;
  background: linear-gradient(135deg, #d0eef4 0%, #e8f4f7 40%, var(--color-bg) 100%);
}

.hero__inner {
  max-width: 720px;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  max-width: 580px;
}

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

/* ---------- Feature cards ---------- */
.feature-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.5;
}

.feature-card h3 {
  margin-bottom: .5rem;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: .9375rem;
  margin-bottom: 0;
}

/* ---------- Problem / Solution ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

.problem-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.problem-card--problem {
  background: #fef2f2;
  border-color: #fecaca;
}

.problem-card--solution {
  background: var(--color-primary-light);
  border-color: #a7d8e4;
}

.problem-card h3 {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.problem-card ul {
  list-style: none;
  padding: 0;
}

.problem-card li {
  padding: .4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-light);
  font-size: .9375rem;
}

.problem-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .85rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.problem-card--problem li::before {
  background: var(--color-error);
}

.problem-card--solution li::before {
  background: var(--color-primary);
}

/* ---------- Use cases ---------- */
.usecase-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: box-shadow var(--transition);
}

.usecase-card:hover {
  box-shadow: var(--shadow-md);
}

.usecase-card__emoji {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.usecase-card h3 {
  margin-bottom: .75rem;
}

.usecase-card p {
  color: var(--color-text-light);
  font-size: .9375rem;
  margin-bottom: 0;
}

/* ---------- Approach / Method ---------- */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.approach-step {
  position: relative;
  padding-top: 3rem;
}

.approach-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}

.approach-step h4 {
  margin-bottom: .5rem;
}

.approach-step p {
  color: var(--color-text-light);
  font-size: .875rem;
  margin-bottom: 0;
}

/* ---------- News ---------- */
.news-card {
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-card__body {
  padding: 1.5rem;
}

.news-card__date {
  font-size: .8rem;
  color: var(--color-text-lighter);
  margin-bottom: .5rem;
}

.news-card h3 {
  font-size: 1.1rem;
  margin-bottom: .5rem;
}

.news-card h3 a {
  color: var(--color-text);
}

.news-card h3 a:hover {
  color: var(--color-primary);
}

.news-card p {
  color: var(--color-text-light);
  font-size: .875rem;
  margin-bottom: 0;
}

.news-card__tag {
  display: inline-block;
  padding: .2rem .6rem;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-radius: 4px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: .75rem;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 4rem 0;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: .75rem;
}

.cta-banner p {
  color: rgba(255,255,255,.85);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Contact form ---------- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .65rem .85rem;
  font-size: .9375rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(51,152,175,.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-message {
  padding: .75rem 1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  margin-bottom: 1rem;
}

.form-message--success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-message--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Honeypot */
.form-hp { display: none !important; }

/* ---------- Footer ---------- */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 3rem 0 2rem;
  font-size: .875rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .5rem;
}

.footer__logo span {
  color: var(--color-primary);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: .4rem;
}

.footer__links a {
  color: #94a3b8;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #1e293b;
  text-align: center;
  color: #64748b;
  font-size: .8rem;
}

/* ---------- Legal page ---------- */
.legal-content {
  padding-top: 8rem;
  padding-bottom: 4rem;
}

.legal-content h1 {
  margin-bottom: 2rem;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: .5rem;
}

.legal-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content li {
  margin-bottom: .3rem;
  color: var(--color-text-light);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumb {
  padding: .5rem 0;
  font-size: .8125rem;
  color: var(--color-text-lighter);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  margin: 0 .4rem;
}

/* ---------- Page Hero (sub-pages) ---------- */
.page-hero {
  padding: 7rem 0 3rem;
  background: linear-gradient(135deg, #d0eef4 0%, #e8f4f7 40%, var(--color-bg) 100%);
}

.page-hero h1 {
  margin-bottom: .75rem;
  font-size: 2.25rem;
}

.page-hero__lead {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 640px;
  margin-bottom: 0;
}

/* ---------- Content page ---------- */
.content-page {
  padding: 3.5rem 0;
}

.content-page h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.content-page h3 {
  margin-top: 1.75rem;
  margin-bottom: .75rem;
}

.content-page ul,
.content-page ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.content-page li {
  margin-bottom: .4rem;
  color: var(--color-text-light);
}

.content-page li strong {
  color: var(--color-text);
}

/* ---------- Two-column layout (text + sidebar) ---------- */
.content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.content-sidebar {
  position: sticky;
  top: 5rem;
}

.sidebar-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  border: 1px solid #a7d8e4;
}

.sidebar-card + .sidebar-card {
  margin-top: 1.5rem;
}

.sidebar-card--cta {
  background: var(--color-primary);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.sidebar-card--cta h3 {
  color: #fff;
}

.sidebar-card.sidebar-card--cta p {
  color: #fff;
}

.sidebar-card--cta a:not(.btn) {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
}

.sidebar-card h4 {
  margin-bottom: .75rem;
  color: var(--color-primary-dark);
}

.sidebar-card p {
  font-size: .875rem;
  color: var(--color-text-light);
}

.sidebar-card .btn {
  margin-top: .5rem;
  width: 100%;
}

/* ---------- Feature detail page ---------- */
.feature-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 2.5rem 0;
}

.feature-highlight--reverse {
  direction: rtl;
}

.feature-highlight--reverse > * {
  direction: ltr;
}

.feature-highlight__visual {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  text-align: center;
  font-size: 4rem;
  line-height: 1;
}

/* ---------- Comparison Tables ---------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.comparison-table thead th {
  background: var(--color-bg);
  font-weight: 700;
  font-size: 1rem;
}

.comparison-table th:first-child {
  font-weight: 600;
  color: var(--color-text);
  width: 25%;
}

.comparison-table td:last-child {
  color: var(--color-primary);
  font-weight: 600;
}

.comparison-table tbody tr:hover {
  background: var(--color-primary-subtle);
}

.comparison-table .check {
  color: var(--color-success);
  font-weight: 700;
}

.comparison-table .cross {
  color: var(--color-text-lighter);
}

/* ---------- Index / overview cards with links ---------- */
.link-card {
  display: block;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: box-shadow var(--transition), transform var(--transition);
}

.link-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
}

.link-card__emoji {
  font-size: 2rem;
  margin-bottom: .75rem;
  display: block;
}

.link-card h3 {
  margin-bottom: .5rem;
  transition: color var(--transition);
}

.link-card:hover h3 {
  color: var(--color-primary);
}

.link-card p {
  color: var(--color-text-light);
  font-size: .9375rem;
  margin-bottom: 0;
}

/* ---------- Inline CTA (mini contact form) ---------- */
.inline-cta {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  border: 1px solid #a7d8e4;
  margin: 3rem 0;
  text-align: center;
}

.inline-cta h3 {
  margin-bottom: .5rem;
}

.inline-cta p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pricing-card--highlight {
  background: var(--color-primary-subtle);
  border-color: #a7d8e4;
}

.pricing-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.pricing-card__price {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__amount {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.pricing-card__period {
  font-size: .9375rem;
  color: var(--color-text-light);
  margin-left: .25rem;
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  flex: 1;
}

.pricing-card__features li {
  position: relative;
  padding: .4rem 0 .4rem 1.5rem;
  font-size: .9375rem;
  color: var(--color-text-light);
}

.pricing-card__features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-card__setup {
  font-size: .8125rem;
  color: var(--color-text-lighter);
  margin-bottom: 1.5rem;
  padding-top: .75rem;
  border-top: 1px solid var(--color-border);
}

.pricing-card .btn {
  width: 100%;
  margin-top: auto;
}

.pricing-note {
  text-align: center;
  font-size: .875rem;
  color: var(--color-text-lighter);
  margin-top: 2.5rem;
  margin-bottom: 0;
}

/* ---------- Testimonials ---------- */
.testimonials {
  max-width: 700px;
  margin: 0 auto;
}

.testimonial {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.testimonial__text {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0;
}

.testimonial__author {
  margin-top: 1rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ---------- Process Steps (Comment ça marche) ---------- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  margin-bottom: 3rem;
  padding-left: 2rem;
  border-left: 3px solid var(--color-primary);
}

.process-step__number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.process-step h2 {
  margin-top: 0;
}

.process-step .lead {
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .approach-steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 3.5rem 0; }

  .navbar__links { display: none; }
  .navbar__toggle { display: block; }

  .hero { padding: 7rem 0 3rem; }
  .page-hero { padding: 6rem 0 2rem; }

  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }

  .problem-grid { grid-template-columns: 1fr; }
  .approach-steps { grid-template-columns: 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .feature-highlight { grid-template-columns: 1fr; }

  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 0.5rem; }
  .feature-highlight--reverse { direction: ltr; }

  .content-sidebar { position: static; }

  .form-row { grid-template-columns: 1fr; }

  .footer__inner { flex-direction: column; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.65rem; }
  .hero__subtitle { font-size: 1rem; }
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}