/* ============================================
   EXPERT BÂTIMENT 94 — STYLESHEET
   ============================================ */

/* --- GOOGLE FONTS (loaded in HTML) ---
   Playfair Display — headings
   Raleway — body
   Montserrat — accents / numbers
*/

:root {
  --orange: #E8621A;
  --orange-dark: #C4500F;
  --orange-light: #F4913D;
  --dark: #1A1A2E;
  --dark2: #16213E;
  --charcoal: #2C2C3E;
  --light: #F8F9FA;
  --white: #FFFFFF;
  --gray: #6C757D;
  --gray-light: #E9ECEF;
  --gold: #D4A843;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Raleway', sans-serif;
  color: #333;
  overflow-x: hidden;
  background: var(--light);
}

a { text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===================================
   CONTAINER
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===================================
   TOP BAR
   =================================== */
.top-bar {
  background: var(--dark);
  color: #ccc;
  padding: 8px 0;
  font-size: 13px;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.top-bar a { color: #ccc; transition: color .3s; }
.top-bar a:hover { color: var(--orange); }
.top-bar i { color: var(--orange); margin-right: 6px; }
.top-bar .socials a {
  display: inline-flex;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  font-size: 12px;
  transition: all .3s;
}
.top-bar .socials a:hover { background: var(--orange); color: #fff; }

/* ===================================
   NAVBAR
   =================================== */
.navbar {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all .3s;
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.12); }
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}
.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--dark);
  padding: 15px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo span { color: var(--orange); }
.logo-icon {
  width: 42px; height: 42px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 5px;
  align-items: center;
}
.nav-links a {
  color: var(--dark);
  font-weight: 600;
  font-size: 14px;
  padding: 24px 15px;
  display: block;
  text-transform: uppercase;
  letter-spacing: .5px;
  transition: color .3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 3px;
  background: var(--orange);
  transition: width .3s;
}
.nav-links a:hover { color: var(--orange); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--orange); }

.nav-cta {
  background: var(--orange) !important;
  color: white !important;
  border-radius: 50px !important;
  padding: 10px 22px !important;
  font-size: 12px !important;
  margin: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--orange-dark) !important;
  color: white !important;
}

.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark);
  padding: 10px;
  background: none;
  border: none;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all .3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: none;
  font-family: 'Raleway', sans-serif;
}
.btn-primary {
  background: var(--orange);
  color: white;
  box-shadow: 0 4px 25px rgba(232,98,26,.4);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,98,26,.5);
}
.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}
.btn-outline:hover { background: white; color: var(--dark); }
.btn-outline-dark {
  background: transparent;
  border: 2px solid var(--dark);
  color: var(--dark);
}
.btn-outline-dark:hover {
  background: var(--dark);
  color: white;
}

/* ===================================
   SECTION COMMON
   =================================== */
section { padding: 80px 0; }

.section-badge {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 10px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}
.section-desc {
  color: var(--gray);
  max-width: 600px;
  line-height: 1.8;
  font-size: 15px;
}
.section-center {
  text-align: center;
  margin-bottom: 20px;
}
.section-center .section-desc { margin: 0 auto; }

/* ===================================
   HERO SLIDER
   =================================== */
.hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  background-size: cover;
  background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,.85) 0%, rgba(26,26,46,.5) 50%, rgba(232,98,26,.3) 100%);
}
.hero-content {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 2;
  width: 90%;
  max-width: 800px;
}
.hero-content .subtitle {
  font-weight: 500;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--orange);
  margin-bottom: 15px;
  opacity: 0;
  animation: fadeInUp .8s .3s forwards;
}
.hero-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeInUp .8s .5s forwards;
}
.hero-content p {
  font-size: 17px;
  color: rgba(255,255,255,.85);
  margin-bottom: 35px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeInUp .8s .7s forwards;
}
.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp .8s .9s forwards;
}

.slider-dots {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.slider-dots .dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: all .3s;
  border: none;
}
.slider-dots .dot.active {
  background: var(--orange);
  transform: scale(1.2);
}

/* ===================================
   STATS BAR
   =================================== */
.stats-bar {
  background: var(--orange);
  padding: 30px 0;
  margin-top: -40px;
  position: relative;
  z-index: 5;
  border-radius: 12px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 15px 40px rgba(232,98,26,.3);
}
.stats-bar .container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}
.stat-item { text-align: center; color: white; }
.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 40px;
  font-weight: 800;
}
.stat-label { font-size: 14px; opacity: .9; margin-top: 4px; }

/* ===================================
   ABOUT
   =================================== */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}
.about-img img {
  width: 100%;
  border-radius: 12px;
  object-fit: cover;
  height: 450px;
}
.about-img::after {
  content: '';
  position: absolute;
  bottom: -15px; right: -15px;
  width: 200px; height: 200px;
  border: 4px solid var(--orange);
  border-radius: 12px;
  z-index: -1;
}
.about-features { margin-top: 25px; }
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}
.about-feature .icon {
  width: 50px; height: 50px;
  min-width: 50px;
  background: rgba(232,98,26,.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 20px;
}
.about-feature h4 { font-weight: 700; margin-bottom: 3px; color: var(--dark); }
.about-feature p { font-size: 13px; color: var(--gray); line-height: 1.6; }

.about-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  padding: 15px 25px;
  background: var(--dark);
  border-radius: 50px;
  width: fit-content;
  color: white;
  font-weight: 700;
  font-size: 18px;
  transition: all .3s;
}
.about-phone:hover { background: var(--orange); transform: translateY(-2px); }
.about-phone i { font-size: 22px; color: var(--orange); }
.about-phone:hover i { color: white; }

/* ===================================
   SERVICES
   =================================== */
.services {
  background: var(--dark);
  color: white;
  position: relative;
  overflow: hidden;
}
.services::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,98,26,.15) 0%, transparent 70%);
}
.services .section-title { color: white; }
.services .section-desc { color: rgba(255,255,255,.6); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 50px;
}
.service-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 35px 30px;
  transition: all .4s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform .4s;
}
.service-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card .icon-wrap {
  width: 65px; height: 65px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: white;
  margin-bottom: 20px;
}
.service-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* ===================================
   GALLERY / REALISATIONS
   =================================== */
.realisations { background: var(--light); }

.gallery-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}
.gallery-filters button {
  padding: 10px 22px;
  border: 2px solid var(--gray-light);
  background: transparent;
  border-radius: 50px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all .3s;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--gray);
  font-family: 'Raleway', sans-serif;
}
.gallery-filters button.active,
.gallery-filters button:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: white;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.gallery-item:hover img { transform: scale(1.1); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .4s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 25px;
  color: white;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 5px;
}
.gallery-overlay p { font-size: 13px; color: rgba(255,255,255,.7); }
.gallery-overlay .tag {
  display: inline-block;
  background: var(--orange);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 8px;
  width: fit-content;
}

/* ===================================
   WHY US
   =================================== */
.why-us { background: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}
.why-card {
  text-align: center;
  padding: 40px 25px;
  border-radius: 16px;
  background: var(--light);
  transition: all .4s;
  border: 1px solid transparent;
}
.why-card:hover {
  border-color: var(--orange);
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(232,98,26,.12);
}
.why-card .icon-circle {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  color: white;
}
.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.why-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===================================
   ZONE CTA
   =================================== */
.zone-cta {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  color: white;
  text-align: center;
}
.zone-cta .section-title { color: white; }
.zone-areas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 30px 0 40px;
}
.zone-areas span {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  transition: all .3s;
}
.zone-areas span:hover { background: var(--orange); border-color: var(--orange); }
.zone-areas span.highlight { background: var(--orange); border-color: var(--orange); }

/* ===================================
   DEVIS / CONTACT FORM
   =================================== */
.devis { background: var(--light); }
.devis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.devis-form {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0,0,0,.06);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--dark);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-light);
  border-radius: 10px;
  font-family: 'Raleway', sans-serif;
  font-size: 14px;
  transition: border-color .3s;
  background: var(--light);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.devis-info { padding: 20px 0; }
.devis-info-card {
  background: var(--dark);
  border-radius: 16px;
  padding: 35px;
  color: white;
  margin-bottom: 20px;
}
.devis-info-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 20px;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 18px;
}
.info-item i {
  width: 40px; height: 40px;
  min-width: 40px;
  border-radius: 10px;
  background: rgba(232,98,26,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 16px;
}
.info-item span { font-size: 14px; line-height: 1.6; }
.info-item a { color: white; transition: color .3s; }
.info-item a:hover { color: var(--orange); }

.whatsapp-card {
  background: var(--orange);
  border-radius: 16px;
  padding: 35px;
  color: white;
}
.whatsapp-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 15px;
}
.whatsapp-card p {
  font-size: 14px;
  opacity: .9;
  margin-bottom: 15px;
}
.btn-whatsapp {
  background: white;
  color: var(--orange);
  font-size: 13px;
  padding: 12px 25px;
}
.btn-whatsapp:hover { background: var(--dark); color: white; }

/* ===================================
   PAGE HEADER (inner pages)
   =================================== */
.page-header {
  background: var(--dark);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,98,26,.2) 0%, transparent 70%);
}
.page-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
  position: relative;
}
.page-header .breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,.5);
  position: relative;
}
.page-header .breadcrumb a { color: var(--orange); }
.page-header .breadcrumb a:hover { color: var(--orange-light); }

/* ===================================
   FOOTER
   =================================== */
footer {
  background: #0D0D1A;
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo { color: white; font-size: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 15px; }

footer h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: white;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
footer h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--orange);
}
footer ul { list-style: none; }
footer ul li { margin-bottom: 10px; }
footer ul a {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  transition: color .3s;
  display: flex;
  align-items: center;
  gap: 8px;
}
footer ul a:hover { color: var(--orange); }
footer ul a i { font-size: 10px; color: var(--orange); }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ===================================
   FLOATING BUTTONS (right side)
   =================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 100px; right: 25px;
  z-index: 998;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  box-shadow: 0 5px 25px rgba(37,211,102,.4);
  animation: pulseGreen 2s infinite;
}
.floating-phone {
  position: fixed;
  bottom: 25px; right: 25px;
  z-index: 998;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  box-shadow: 0 5px 25px rgba(232,98,26,.4);
  animation: pulseOrange 2s infinite .5s;
}

@keyframes pulseGreen {
  0%, 100% { box-shadow: 0 5px 25px rgba(37,211,102,.4); }
  50% { box-shadow: 0 5px 35px rgba(37,211,102,.7); transform: scale(1.05); }
}
@keyframes pulseOrange {
  0%, 100% { box-shadow: 0 5px 25px rgba(232,98,26,.4); }
  50% { box-shadow: 0 5px 35px rgba(232,98,26,.7); transform: scale(1.05); }
}

/* ===================================
   CHATBOT (left side)
   =================================== */
.chatbot-btn {
  position: fixed;
  bottom: 25px; left: 25px;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 26px;
  box-shadow: 0 5px 25px rgba(0,0,0,.3);
  cursor: pointer;
  transition: all .3s;
  border: none;
}
.chatbot-btn:hover { background: var(--orange); }
.chatbot-btn .badge {
  position: absolute;
  top: -2px; right: -2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #FF3B30;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.chatbot {
  position: fixed;
  bottom: 95px; left: 25px;
  width: 360px;
  max-height: 500px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 15px 50px rgba(0,0,0,.2);
  z-index: 999;
  overflow: hidden;
  display: none;
  flex-direction: column;
  animation: slideUp .4s;
}
.chatbot.open { display: flex; }

.chatbot-header {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  padding: 20px;
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
}
.chatbot-header .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.chatbot-header .info h4 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
.chatbot-header .info h4::after { display: none; }
.chatbot-header .info span { font-size: 11px; color: rgba(255,255,255,.6); }
.chatbot-header .close-chat {
  margin-left: auto;
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  opacity: .7;
  transition: opacity .3s;
}
.chatbot-header .close-chat:hover { opacity: 1; }

.chatbot-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  max-height: 350px;
  background: #F5F5F7;
}
.chat-msg {
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
  animation: fadeInUp .3s;
}
.chat-msg .bubble {
  background: white;
  color: #333;
  border-radius: 0 14px 14px 14px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  max-width: 85%;
}
.chat-msg .mini-avatar {
  width: 28px; height: 28px; min-width: 28px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
}

.chat-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}
.chat-option {
  padding: 10px 16px;
  border: 2px solid var(--gray-light);
  border-radius: 12px;
  background: white;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  transition: all .3s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-option:hover {
  border-color: var(--orange);
  background: rgba(232,98,26,.05);
  color: var(--orange);
}
.chat-option i { color: var(--orange); font-size: 14px; }

/* ===================================
   LIGHTBOX
   =================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: 10px;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 30px;
  color: white;
  font-size: 36px;
  cursor: pointer;
  background: none;
  border: none;
  transition: color .3s;
}
.lightbox-close:hover { color: var(--orange); }

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 992px) {
  .about-grid,
  .devis-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-img img { height: 350px; }
}

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,.1);
    padding: 10px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 25px; }
  .hero { height: 70vh; min-height: 400px; }
  .stats-bar { margin: -20px 15px 0; border-radius: 10px; }
  .stat-num { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .chatbot { width: calc(100vw - 50px); left: 25px; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
}