/* ============================================================
   MUR & MONT — Feuille de style principale
   Fichier  : style.css
   Auteur   : Mur & Mont SRL
   Version  : 1.0.0
   ============================================================ */

/* ===========================
   VARIABLES CSS (Design System)
=========================== */
:root {
  --color-black:      #121212;
  --color-anthracite: #1F2937;
  --color-orange:     #FF6B00;
  --color-orange-dark:#e05e00;
  --color-white:      #FFFFFF;
  --color-grey:       #D1D5DB;
  --color-grey-mid:   #9CA3AF;
  --color-grey-dark:  #6B7280;

  --font-title: 'Oswald', sans-serif;
  --font-body:  'Inter', sans-serif;

  --radius: 2px;
  --transition: 0.25s ease;
}

/* ===========================
   RESET / BASE
=========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

main { display: block; }

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 1rem;
  z-index: 200;
  padding: 0.6rem 0.9rem;
  border-radius: 2px;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-title);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(-150%);
  transition: transform var(--transition);
}
.skip-link:focus { transform: translateY(0); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.mr-2 { margin-right: 0.5rem; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
}

/* ===========================
   SCROLLBAR PERSONNALISÉE
=========================== */
::-webkit-scrollbar        { width: 6px; }
::-webkit-scrollbar-track  { background: var(--color-black); }
::-webkit-scrollbar-thumb  { background: var(--color-orange); border-radius: 3px; }

/* ===========================
   TYPOGRAPHY UTILITAIRES
=========================== */
.font-title  { font-family: var(--font-title); }
.font-body   { font-family: var(--font-body); }
.uppercase   { text-transform: uppercase; }

/* ===========================
   BOUTON ORANGE (CTA)
=========================== */
.btn-orange {
  display: inline-block;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  padding: 0.85rem 2rem;
  cursor: pointer;
  border: none;
  transition: background var(--transition),
              transform var(--transition),
              box-shadow var(--transition);
}
.btn-orange:hover {
  background: var(--color-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,0,0.40);
}
.btn-orange:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Bouton secondaire (contour) */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius);
  padding: 0.85rem 2rem;
  transition: color var(--transition), border-color var(--transition);
}
.btn-outline:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.55);
}

/* ===========================
   HEADER (sticky)
=========================== */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(18,18,18,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow 0.3s;
}
#main-header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.65);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-link img {
  height: 60px;
  width: auto;
}

/* Navigation desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .header-inner { height: 80px; }
  .logo-link img { height: 50px; }
}

.nav-link {
  position: relative;
  font-family: var(--font-title);
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-grey);
  padding-bottom: 3px;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--color-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover        { color: var(--color-white); }
.nav-link:hover::after { transform: scaleX(1); }

/* Zone droite header */
.header-right {
  display: none;
  align-items: center;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .header-right { display: flex; }
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-grey);
  transition: color var(--transition);
}
.header-phone:hover     { color: var(--color-white); }
.header-phone .icon     { color: var(--color-orange); font-size: 0.75rem; }

/* Burger (mobile) */
.burger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
@media (min-width: 768px) {
  .burger-btn { display: none; }
}
.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all 0.3s;
}
.burger-line:last-child { width: 16px; }

/* ===========================
   MENU MOBILE
=========================== */
#mobile-menu {
  display: none;
  background: rgba(18,18,18,0.98);
  border-top: 1px solid rgba(255,255,255,0.06);
}
#mobile-menu.open { display: block; }

.mobile-nav-link {
  display: block;
  font-family: var(--font-title);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey);
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-nav-link:hover {
  color: var(--color-orange);
  padding-left: 2rem;
}
.mobile-nav-footer {
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===========================
   HERO
=========================== */
#hero {
  min-height: 100vh;
  background: url('photos/hero.jpg') center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
}
#hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(18,18,18,0.90) 0%,
    rgba(18,18,18,0.60) 60%,
    rgba(18,18,18,0.85) 100%
  );
}
#hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, #121212 0%, transparent 28%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 8rem 1.5rem 4rem;
}

.hero-tag {
  display: inline-block;
  color: var(--color-orange);
  font-family: var(--font-title);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  border: 1px solid rgba(255,107,0,0.40);
  padding: 4px 14px;
  margin-bottom: 1.5rem;
}

.hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 10vw, 9rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.hero-h1 .accent { color: var(--color-orange); }

.hero-sub {
  font-family: var(--font-title);
  font-size: clamp(0.9rem, 2.5vw, 1.35rem);
  letter-spacing: 0.3em;
  color: var(--color-orange);
  text-transform: uppercase;
  margin: 1.2rem 0;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--color-grey);
  max-width: 560px;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 3.5rem;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-grey);
}
.hero-badge .icon { color: var(--color-orange); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.55;
}
.scroll-indicator span {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-grey);
}
.scroll-line {
  width: 1px;
  height: 32px;
  background: var(--color-orange);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

/* ===========================
   STATS BAR
=========================== */
#stats {
  background: var(--color-orange);
  padding: 2.5rem 1.5rem;
}
.stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) {
  .stats-inner { grid-template-columns: repeat(4, 1fr); }
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.80);
  margin-top: 4px;
}

/* ===========================
   SECTION COMMONS
=========================== */
.section-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.section-header { margin-bottom: 3.5rem; }
.section-header.center { text-align: center; }

.section-eyebrow {
  font-family: var(--font-title);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.4rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1;
}
.section-title .accent { color: var(--color-orange); }

.section-deco {
  display: block;
  width: 56px;
  height: 3px;
  background: var(--color-orange);
  margin-top: 1rem;
}
.section-header.center .section-deco { margin: 1rem auto 0; }

.section-desc {
  margin-top: 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-grey-dark);
  line-height: 1.8;
}

/* ===========================
   SERVICES
=========================== */
#services { background: #F3F4F6; }
#services .section-title { color: #111827; }
#services .section-desc  { color: #4B5563; }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 4px;
  padding: 2rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
  border-color: var(--color-orange);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,107,0,0.10);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background 0.3s;
}
.service-card:hover .service-icon { background: rgba(255,107,0,0.18); }
.service-icon i { color: var(--color-orange); font-size: 1.35rem; }

.service-card h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #111827;
  margin-bottom: 0.6rem;
  letter-spacing: 0.04em;
}
.service-card p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: #6B7280;
  line-height: 1.75;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-family: var(--font-title);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-orange);
  transition: gap 0.2s;
}
.service-link:hover { gap: 0.6rem; }

/* ===========================
   POURQUOI NOUS
=========================== */
#pourquoi { background: var(--color-anthracite); }

.avantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .avantages-grid { grid-template-columns: repeat(3, 1fr); }
}

.avantage-card {
  position: relative;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 4px;
  transition: border-color 0.3s, background 0.3s;
  overflow: hidden;
}
.avantage-card:hover {
  border-color: rgba(255,107,0,0.35);
  background: rgba(255,107,0,0.04);
}
.avantage-num {
  position: absolute;
  top: 1rem; right: 1.5rem;
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,107,0,0.12);
  line-height: 1;
  pointer-events: none;
}
.avantage-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,107,0,0.10);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.avantage-icon i { color: var(--color-orange); font-size: 1.25rem; }

.avantage-card h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-white);
  margin-bottom: 0.8rem;
}
.avantage-card p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-grey);
  line-height: 1.8;
}

.pourquoi-cta { text-align: center; margin-top: 3.5rem; }

/* ===========================
   RÉALISATIONS (GALERIE)
=========================== */
#realisations { background: var(--color-black); }

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-label {
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-grey);
}
.gallery-label strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-orange);
  margin-bottom: 2px;
}

.gallery-note {
  text-align: center;
  margin-top: 2.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-grey-dark);
}
.gallery-note a {
  color: var(--color-orange);
  transition: opacity var(--transition);
}
.gallery-note a:hover { opacity: 0.75; text-decoration: underline; }

/* ===========================
   TÉMOIGNAGES
=========================== */
#temoignages { background: #1a1a1a; }

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-anthracite);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 4px;
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.testimonial-card:hover {
  border-color: rgba(255,107,0,0.30);
  transform: translateY(-4px);
}

.stars {
  display: flex;
  gap: 3px;
  margin-bottom: 1rem;
}
.stars i { color: #F59E0B; font-size: 0.85rem; }

.quote-icon {
  font-size: 1.6rem;
  color: rgba(255,107,0,0.25);
  margin-bottom: 0.75rem;
  display: block;
}

.testimonial-card p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-grey);
  line-height: 1.8;
  font-style: italic;
}
.client-name {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-top: 1.25rem;
}
.client-loc {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-grey-dark);
  margin-top: 2px;
}

/* ===========================
   CONTACT
=========================== */
#contact {
  background: var(--color-black);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Formulaire */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 480px) {
  .form-row { grid-template-columns: repeat(2, 1fr); }
}
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey-mid);
  margin-bottom: 0.4rem;
}

.form-field {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 2px;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  appearance: none;
}
.form-field::placeholder { color: var(--color-grey-dark); }
.form-field:focus {
  border-color: var(--color-orange);
  background: rgba(255,107,0,0.05);
}
.form-field[aria-invalid="true"] {
  border-color: #EF4444;
}

select.form-field { cursor: pointer; }
.form-field.textarea { resize: none; height: 120px; }

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  text-align: center;
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-grey-dark);
}

.form-error {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(239,68,68,0.35);
  border-radius: 3px;
  background: rgba(239,68,68,0.10);
  color: #FCA5A5;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Confirmation */
#form-success {
  display: none;
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.30);
  border-radius: 3px;
  color: #6EE7B7;
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-align: center;
}
#form-success i { font-size: 1.5rem; display: block; margin-bottom: 0.5rem; }

/* Coordonnées */
.contact-info { font-style: normal; }
.contact-info h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-grey);
  margin-bottom: 1.5rem;
}

.contact-items { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  background: rgba(255,107,0,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-item-icon i { color: var(--color-orange); font-size: 0.85rem; }
.contact-item p    { font-family: var(--font-title); font-size: 0.95rem; color: var(--color-white); }
.contact-item span { font-family: var(--font-body); font-size: 0.78rem; color: var(--color-grey-dark); display: block; margin-top: 2px; }
.contact-item a {
  color: inherit;
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--color-orange); }

/* Zone d'intervention */
.zone-box {
  margin-top: 2rem;
  border: 1px solid rgba(255,107,0,0.20);
  border-radius: 3px;
  padding: 1.5rem;
  background: rgba(255,107,0,0.04);
}
.zone-box h4 {
  font-family: var(--font-title);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1rem;
}
.zone-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.zone-tag {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 2px;
  padding: 4px 12px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-grey);
}

/* Certifications */
.certif-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.certif-item {
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 3px;
  padding: 1rem;
}
.certif-item i { color: var(--color-orange); font-size: 1.4rem; display: block; margin-bottom: 0.5rem; }
.certif-item p {
  font-family: var(--font-title);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey);
  line-height: 1.4;
}

/* ===========================
   FOOTER
=========================== */
footer {
  background: var(--color-black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2rem 1.5rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}
.footer-logo img { height: 32px; width: auto; }
.footer-legal {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: #4B5563;
  text-align: center;
}
.footer-social { display: flex; gap: 0.75rem; }
.social-btn {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-grey-dark);
  font-size: 0.75rem;
  transition: color var(--transition), border-color var(--transition);
}
.social-btn:hover {
  color: var(--color-orange);
  border-color: rgba(255,107,0,0.35);
}

/* ===========================
   ANIMATIONS D'ENTRÉE
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeIn 0.8s ease forwards;
}
@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.30s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.60s; }

.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

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