*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; color: #3a3a3a; background: #fff; line-height: 1.7; }

a { color: #0274be; text-decoration: none; transition: color .2s; }
a:hover { color: #3a3a3a; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Top bar */
.top-bar { background: #0274be; color: #fff; padding: 8px 0; font-size: 13px; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar a { color: #fff; }
.top-bar a:hover { color: #e0e0e0; }
.top-bar .phone { font-weight: 600; }
.top-bar .account-link { background: rgba(255,255,255,0.15); padding: 4px 14px; border-radius: 3px; font-size: 12px; }

/* Header */
header { background: #fff; border-bottom: 1px solid #eaeaea; position: sticky; top: 0; z-index: 100; }
header .container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo img { height: 40px; }
nav ul { display: flex; gap: 4px; }
nav ul li { position: relative; }
nav ul li a { display: block; padding: 10px 16px; color: #3a3a3a; font-size: 14px; font-weight: 500; border-radius: 4px; }
nav ul li a:hover, nav ul li.active > a { color: #0274be; background: #f0f7ff; }
nav ul li ul { display: none; position: absolute; top: 100%; left: 0; background: #fff; border: 1px solid #eaeaea; box-shadow: 0 4px 12px rgba(0,0,0,0.08); min-width: 220px; border-radius: 6px; padding: 6px 0; z-index: 200; }
nav ul li:hover ul { display: block; }
nav ul li ul li { display: block; }
nav ul li ul li a { padding: 8px 18px; white-space: nowrap; font-weight: 400; border-radius: 0; }
nav ul li ul li a:hover { background: #f0f7ff; }
.menu-toggle { display: none; background: none; border: none; font-size: 28px; cursor: pointer; color: #3a3a3a; padding: 4px; }

/* Hero */
.hero { background: linear-gradient(135deg, #0274be 0%, #065a94 100%); color: #fff; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 42px; margin-bottom: 16px; font-weight: 700; }
.hero p { font-size: 20px; opacity: 0.9; max-width: 700px; margin: 0 auto 32px; }
.hero .buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 6px; font-weight: 600; font-size: 15px; transition: all .2s; cursor: pointer; }
.btn-primary { background: #fff; color: #0274be; }
.btn-primary:hover { background: #f0f0f0; color: #0274be; }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: #0274be; }

/* Sections */
.section { padding: 70px 0; }
.section-alt { background: #f8f9fa; }
.section-title { text-align: center; font-size: 32px; font-weight: 700; color: #1a1a1a; margin-bottom: 12px; }
.section-subtitle { text-align: center; font-size: 17px; color: #666; max-width: 700px; margin: 0 auto 48px; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-image img { border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.about-text p { margin-bottom: 16px; color: #555; font-size: 16px; }

/* Services grid */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.service-card { background: #fff; border-radius: 10px; padding: 36px 24px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform .2s, box-shadow .2s; border: 1px solid #f0f0f0; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.service-card .icon { width: 60px; height: 60px; background: #e8f4fd; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 28px; color: #0274be; }
.service-card h3 { font-size: 18px; margin-bottom: 10px; color: #1a1a1a; }
.service-card p { font-size: 14px; color: #666; line-height: 1.6; }
.service-card a { color: #0274be; font-weight: 600; font-size: 14px; display: inline-block; margin-top: 12px; }

/* Properties */
.properties-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.property-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid #f0f0f0; transition: transform .2s; }
.property-card:hover { transform: translateY(-4px); }
.property-image { height: 200px; background: linear-gradient(135deg, #e8f4fd, #d0e8f7); display: flex; align-items: center; justify-content: center; font-size: 48px; color: #0274be; }
.property-info { padding: 20px; }
.property-info h3 { font-size: 17px; margin-bottom: 8px; color: #1a1a1a; }
.property-info p { font-size: 14px; color: #666; margin-bottom: 12px; }
.property-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag { background: #e8f4fd; color: #0274be; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.price { font-size: 20px; font-weight: 700; color: #0274be; }

/* Page banner */
.page-banner { background: linear-gradient(135deg, #0274be 0%, #065a94 100%); color: #fff; padding: 60px 0; text-align: center; }
.page-banner h1 { font-size: 36px; font-weight: 700; }
.page-banner p { opacity: 0.9; margin-top: 8px; font-size: 17px; }

/* Content page */
.content-page { padding: 60px 0; }
.content-page .content { max-width: 800px; margin: 0 auto; }
.content-page .content p { margin-bottom: 18px; font-size: 16px; color: #555; line-height: 1.8; }
.content-page .content h2 { font-size: 26px; color: #1a1a1a; margin: 36px 0 16px; }
.content-page .content h3 { font-size: 20px; color: #1a1a1a; margin: 28px 0 12px; }
.content-page .content ul { margin: 16px 0 16px 24px; list-style: disc; }
.content-page .content ul li { margin-bottom: 8px; color: #555; line-height: 1.7; }
.content-page .content ul li::marker { color: #0274be; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h3 { font-size: 18px; color: #1a1a1a; margin-bottom: 20px; }
.contact-info p { margin-bottom: 10px; color: #555; }
.contact-info strong { color: #1a1a1a; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 16px; border: 1px solid #ddd; border-radius: 6px; font-size: 15px; margin-bottom: 16px; transition: border-color .2s; background: #fafafa; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #0274be; outline: none; background: #fff; }
.contact-form textarea { height: 150px; resize: vertical; }
.contact-form .btn-primary { background: #0274be; color: #fff; border: none; padding: 14px 36px; font-size: 16px; }
.contact-form .btn-primary:hover { background: #065a94; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.team-card { background: #fff; border-radius: 10px; padding: 32px 24px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); border: 1px solid #f0f0f0; }
.team-avatar { width: 80px; height: 80px; background: #0274be; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 700; margin: 0 auto 16px; }
.team-card h3 { font-size: 18px; color: #1a1a1a; margin-bottom: 4px; }
.team-card .title { color: #0274be; font-weight: 600; font-size: 13px; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: #666; line-height: 1.6; }

/* Footer */
footer { background: #1a1a1a; color: #ccc; padding: 50px 0 0; }
footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
footer p { font-size: 14px; line-height: 1.7; }
footer ul li { margin-bottom: 8px; }
footer ul li a { color: #999; font-size: 14px; }
footer ul li a:hover { color: #fff; }
footer .bottom { border-top: 1px solid #333; padding: 20px 0; margin-top: 40px; text-align: center; font-size: 13px; color: #777; }

/* Breadcrumb */
.breadcrumb { background: #f8f9fa; padding: 12px 0; border-bottom: 1px solid #eaeaea; font-size: 13px; color: #888; }
.breadcrumb a { color: #0274be; }
.breadcrumb a:hover { color: #3a3a3a; }
.breadcrumb span { color: #999; }

/* Clientèle list */
.clientele-list { columns: 3; column-gap: 28px; }
.clientele-list li { break-inside: avoid; padding: 8px 14px; margin-bottom: 4px; background: #f8f9fa; border-radius: 4px; font-size: 14px; color: #555; }

/* Mobile */
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid #eaeaea; box-shadow: 0 4px 12px rgba(0,0,0,0.08); padding: 10px 20px; }
  nav ul.open { display: flex; }
  nav ul li ul { position: static; box-shadow: none; border: none; padding-left: 20px; display: none; }
  nav ul li:hover ul { display: none; }
  nav ul li ul.open { display: block; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .properties-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  footer .footer-grid { grid-template-columns: 1fr 1fr; }
  .clientele-list { columns: 2; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 17px; }
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  footer .footer-grid { grid-template-columns: 1fr; }
  .clientele-list { columns: 1; }
  .section { padding: 50px 0; }
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 26px; }
  .page-banner h1 { font-size: 28px; }
  .top-bar .container { flex-direction: column; text-align: center; }
}