/* ==========================================================
   Walid Khili — Site vitrine
   Feuille de style unique (toutes les pages)
   Sommaire :
   01. Variables & reset
   02. Base typographique
   03. Utilitaires (container, sections, eyebrow, boutons)
   04. Skip-link
   05. Header & navigation
   06. Menu mobile
   07. Hero (accueil) & panneau visuel CSS
   08. Hero de page compact + fil d'Ariane
   09. Cartes génériques
   10. Bandeau chiffres clés
   11. Bandeau confiance (wordmarks)
   12. Processus en étapes
   13. Grilles spécifiques (expertises, services, valeurs)
   14. Timeline (à propos)
   15. Page contact & formulaire
   16. CTA finale
   17. Footer
   18. Animations (reveal) & reduced-motion
   19. Breakpoints
   ========================================================== */

/* ---------- 01. Variables & reset ---------- */
:root {
  --color-primary: #0B4FD8;
  --color-primary-dark: #0836A0;
  --color-primary-light: #3D74E8;
  --color-accent: #2F7BFF;
  --color-navy: #0A1633;
  --color-text: #3E4763;
  --color-text-light: #6B7490;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F3F6FD;
  --color-border: #E3E9F5;
  --color-error: #D92D20;
  --color-success: #12805C;
  --gradient-primary: linear-gradient(135deg, #0B4FD8, #2F7BFF);
  --font-heading: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-sm: 0 4px 24px rgba(10, 22, 51, .06);
  --shadow-md: 0 12px 40px rgba(10, 22, 51, .12);
  --section-padding: clamp(4rem, 10vw, 7.5rem);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ---------- 02. Base typographique ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
}

strong { font-weight: 600; }

:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 03. Utilitaires ---------- */
.container {
  max-width: 1200px;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
  margin-inline: auto;
}

.section {
  padding: var(--section-padding) 0;
}

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

.section-head {
  max-width: 720px;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-head p,
.lead {
  color: var(--color-text-light);
  margin-top: 1rem;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(11, 79, 216, .25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(11, 79, 216, .35);
}

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

.btn--outline:hover {
  transform: translateY(-2px);
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn--light {
  background: #fff;
  color: var(--color-navy);
}

.btn--light:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .25);
}

/* ---------- 04. Skip-link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  background: var(--color-navy);
  color: #fff;
  padding: .75rem 1.25rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 1rem;
  color: #fff;
}

/* ---------- 05. Header & navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  transition: box-shadow .3s ease, background-color .3s ease;
}

.site-header.scrolled {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--color-navy);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

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

.main-nav a {
  position: relative;
  font-weight: 500;
  color: var(--color-text);
  padding: .25rem 0;
  transition: color .25s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-cta {
  min-height: 44px;
  padding: .625rem 1.25rem;
  font-size: .9375rem;
}

/* ---------- 06. Menu mobile ---------- */
.main-nav .mobile-cta-item {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 120;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}

/* ---------- 07. Hero accueil ---------- */
.hero {
  padding: clamp(4rem, 9vw, 7rem) 0 var(--section-padding);
  background:
    radial-gradient(ellipse 60% 50% at 80% 10%, rgba(47, 123, 255, .08), transparent),
    var(--color-bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.hero h1 {
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  color: var(--color-text-light);
  max-width: 32rem;
  margin-bottom: 2.25rem;
}

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

/* Panneau visuel purement CSS */
.hero-visual {
  position: relative;
  min-height: 420px;
  border-radius: 24px;
  background: var(--gradient-primary);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
}

.hero-visual::before {
  width: 280px;
  height: 280px;
  top: -80px;
  right: -80px;
}

.hero-visual::after {
  width: 180px;
  height: 180px;
  bottom: -50px;
  left: -50px;
}

.hero-visual .ring {
  position: absolute;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-visual .ring--sm {
  width: 220px;
  height: 220px;
}

.float-card {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(78%, 320px);
  background: rgba(255, 255, 255, .97);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: 0 24px 60px rgba(10, 22, 51, .28);
}

.float-card .fc-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: .25rem;
}

.float-card .fc-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-navy);
}

.float-card .fc-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--color-bg-alt);
  margin-top: 1rem;
  overflow: hidden;
}

.float-card .fc-bar span {
  display: block;
  height: 100%;
  width: 82%;
  border-radius: 3px;
  background: var(--gradient-primary);
}

.float-card--small {
  position: absolute;
  right: 8%;
  bottom: 10%;
  left: auto;
  top: auto;
  transform: none;
  width: auto;
  padding: .875rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.float-card--small .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

.float-card--small p {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin: 0;
}

/* ---------- 08. Hero de page compact ---------- */
.page-hero {
  padding: clamp(3rem, 7vw, 5rem) 0;
  background:
    radial-gradient(ellipse 55% 60% at 85% 0%, rgba(47, 123, 255, .1), transparent),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

.page-hero .lead {
  max-width: 40rem;
}

.breadcrumb {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

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

.breadcrumb span[aria-hidden="true"] {
  margin-inline: .5rem;
}

/* ---------- 09. Cartes ---------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 79, 216, .35);
}

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

.card p {
  color: var(--color-text-light);
  font-size: 1rem;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(11, 79, 216, .1), rgba(47, 123, 255, .15));
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

/* ---------- 10. Bandeau chiffres clés ---------- */
.stats {
  background: var(--gradient-primary);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: .5rem;
}

.stat-label {
  font-size: .9375rem;
  color: rgba(255, 255, 255, .85);
}

/* ---------- 11. Bandeau confiance ---------- */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.wordmark {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 800;
  color: #A9B3CC;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: color .25s ease;
}

.wordmark:hover {
  color: var(--color-text-light);
}

/* ---------- 12. Processus ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 1rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.step h3 {
  font-size: 1.125rem;
  margin-bottom: .5rem;
}

.step p {
  color: var(--color-text-light);
  font-size: .9375rem;
}

/* ---------- 13. Grilles spécifiques ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}

.expertise-card {
  padding: clamp(2rem, 4vw, 2.75rem);
}

.expertise-card ul {
  margin-top: 1.25rem;
  display: grid;
  gap: .625rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  font-size: .9375rem;
  color: var(--color-text);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .35em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(11, 79, 216, .15), rgba(47, 123, 255, .2));
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: calc(.35em + 4px);
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  margin-top: 1.25rem;
  font-weight: 600;
  font-size: .9375rem;
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform .25s ease;
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* ---------- 14. Timeline (à propos) ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  padding-left: 2.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-2.5rem + 3px);
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--color-primary);
}

.timeline-year {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: .375rem;
}

.timeline-item h3 {
  font-size: 1.125rem;
  margin-bottom: .375rem;
}

.timeline-item p {
  color: var(--color-text-light);
  font-size: .9375rem;
}

/* Panneau citation (à propos) */
.quote-panel {
  position: relative;
  min-height: 320px;
  border-radius: 24px;
  background: var(--gradient-primary);
  color: #fff;
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.quote-panel::before {
  content: "“";
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  font-family: var(--font-heading);
  font-size: 10rem;
  font-weight: 800;
  color: rgba(255, 255, 255, .18);
  line-height: 1;
}

.quote-panel blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1rem;
}

.quote-panel cite {
  font-style: normal;
  font-size: .9375rem;
  color: rgba(255, 255, 255, .85);
}

/* Badges certifications stylisées */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.badge svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ---------- 15. Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-info-list {
  display: grid;
  gap: 1.25rem;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 0;
  flex-shrink: 0;
}

.contact-info-card .card-icon svg {
  width: 24px;
  height: 24px;
}

.contact-info-card h3 {
  font-size: 1.0625rem;
  margin-bottom: .25rem;
}

.contact-info-card p,
.contact-info-card a {
  font-size: .9375rem;
  color: var(--color-text-light);
}

.contact-info-card a:hover {
  color: var(--color-primary);
}

.response-note {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--color-bg-alt);
  font-size: .9375rem;
  color: var(--color-text);
}

/* Formulaire */
.contact-form {
  display: grid;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-field {
  display: grid;
  gap: .5rem;
}

.form-field label {
  font-weight: 600;
  font-size: .9375rem;
  color: var(--color-navy);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: .75rem 1rem;
  min-height: 48px;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.form-field textarea {
  min-height: 160px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 79, 216, .15);
}

.form-field [aria-invalid="true"] {
  border-color: var(--color-error);
}

.form-field [aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(217, 45, 32, .15);
}

.field-error {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--color-error);
  min-height: 1.2em;
}

.form-success {
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid rgba(18, 128, 92, .35);
  border-radius: var(--radius-card);
  background: rgba(18, 128, 92, .07);
  color: var(--color-success);
  text-align: center;
}

.form-success h3 {
  color: var(--color-success);
  margin-bottom: .5rem;
}

.form-error {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(180, 35, 24, .35);
  border-radius: var(--radius-card);
  background: rgba(180, 35, 24, .07);
  color: var(--color-error);
}

.form-error h3 {
  color: var(--color-error);
  margin-bottom: .5rem;
}

/* ---------- 16. CTA finale ---------- */
.cta-final {
  background:
    radial-gradient(ellipse 50% 60% at 85% 20%, rgba(47, 123, 255, .22), transparent),
    var(--color-navy);
  color: #fff;
  text-align: center;
}

.cta-final h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta-final p {
  color: rgba(255, 255, 255, .8);
  max-width: 36rem;
  margin: 0 auto 2.25rem;
}

/* ---------- 17. Footer ---------- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, .78);
  padding-top: clamp(3rem, 7vw, 5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: .9375rem;
  color: rgba(255, 255, 255, .65);
  max-width: 20rem;
}

.site-footer h2,
.site-footer h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: grid;
  gap: .75rem;
}

.footer-col a,
.footer-col p {
  font-size: .9375rem;
  color: rgba(255, 255, 255, .72);
  transition: color .25s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 1.5rem 0;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1rem;
  font-size: .875rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .72);
  margin-left: 1.5rem;
}

.footer-bottom a:hover {
  color: #fff;
}

/* ---------- 18. Animations reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 19. Breakpoints ---------- */
@media (max-width: 1100px) {
  .grid-3,
  .grid-4,
  .steps,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav.is-open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 110;
    background: #fff;
    padding: 6rem clamp(1.25rem, 6vw, 3rem) 3rem;
    transform: translateX(0);
    animation: nav-slide .3s ease;
    overflow-y: auto;
  }

  @keyframes nav-slide {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
  }

  .main-nav.is-open ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .main-nav.is-open a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
  }

  .main-nav.is-open .mobile-cta-item {
    display: block;
    margin-top: 1rem;
  }

  .hero-inner,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 340px;
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .steps,
  .stats-grid,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .footer-bottom a {
    margin-left: 0;
    margin-right: 1.5rem;
  }

  .float-card--small {
    right: 5%;
    bottom: 6%;
  }
}

/* ---------- 19. Bouton WhatsApp flottant ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  transition: transform .25s ease, box-shadow .25s ease;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(37, 211, 102, .55);
}

@media (max-width: 600px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    right: 1rem;
    bottom: 1rem;
  }
}