/* VARIABLES */
:root {
  --gold: #D4AF37;
  --anthracite: #1A1A1A;
  --white: #FFFFFF;
  --light-gray: #F8F8F8;
}

/* GLOBAL */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: var(--white);
  color: var(--anthracite);
  scroll-behavior: smooth;
}

/* HEADER */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: var(--anthracite);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-img {
  height: 50px;
}

nav a {
  color: var(--gold);
  margin: 0 10px;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--white);
}

/* BANDEAU KEYON PREMIUM */
@keyframes keyonPulse {
  0% { transform: scale(1); box-shadow: 0 0 10px rgba(212,175,55,0.25); }
  40% { transform: scale(1.04); box-shadow: 0 0 22px rgba(212,175,55,0.55); }
  60% { transform: scale(1.02); box-shadow: 0 0 14px rgba(212,175,55,0.35); }
  100% { transform: scale(1); box-shadow: 0 0 10px rgba(212,175,55,0.25); }
}

#offre-directe {
  width: 100%;
  overflow: hidden;
}

.banner-click {
  display: inline-block;
  width: 100%;
  animation: keyonPulse 3.2s ease-in-out infinite;
  border-radius: 12px;
}

.banner {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: contain;
}

/* HERO */
.hero {
  text-align: center;
  padding: 70px 20px;
  background: linear-gradient(to bottom, var(--anthracite), #2A2A2A);
  color: var(--gold);
}

.hero p {
  max-width: 720px;
  margin: 0 auto 24px;
  font-size: 18px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}

.btn {
  background-color: var(--gold);
  color: var(--anthracite);
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #b38e2e;
}

.btn-secondary {
  background-color: transparent;
  color: var(--gold);
  padding: 12px 24px;
  border-radius: 4px;
  border: 1px solid var(--gold);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.3s, color 0.3s;
}

.btn-secondary:hover {
  background-color: var(--gold);
  color: var(--anthracite);
}

.hero-proof {
  font-size: 15px;
  color: #f0e4c5;
  margin-top: 10px;
}

/* SECTIONS */
section {
  padding: 80px 20px;
  text-align: center;
}

.section-intro {
  max-width: 720px;
  margin: 0 auto 40px;
  font-size: 18px;
  line-height: 1.6;
  color: #444;
}

.section-proof {
  font-size: 17px;
  color: var(--gold);
  margin-top: -10px;
  margin-bottom: 40px;
  font-weight: 500;
}

/* GRID */
.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

/* CARDS */
.card {
  background: var(--light-gray);
  border-radius: 8px;
  padding: 20px;
  width: 280px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.proprietaires-list {
  list-style: none;
  padding: 0;
  margin: 20px auto 40px;
  max-width: 720px;
  text-align: left;
  font-size: 17px;
  line-height: 1.6;
  color: #444;
}

.proprietaires-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}

.proprietaires-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
}

/* BIENS */
.biens-grid {
  gap: 30px;
}

.bien-card {
  width: 320px;
  background: var(--light-gray);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.bien-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.bien-card h3 {
  margin: 16px 16px 8px;
}

.bien-card p {
  margin: 0 16px 16px;
}

/* CTA DOUBLE PREMIUM */
.cta-double {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin: 20px 0 30px;
  flex-wrap: wrap;
}

/* CTA PRINCIPAL */
.cta-premium {
  display: inline-block;
  padding: 12px 26px;
  background: var(--gold);
  color: var(--anthracite);
  font-weight: 600;
  font-size: 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s ease;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
}

.cta-premium:hover {
  background: #e6c45c;
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.45);
  transform: translateY(-3px);
}

/* CTA SECONDAIRE */
.cta-secondary {
  display: inline-block;
  padding: 12px 26px;
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold);
  font-weight: 600;
  font-size: 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s ease;
}

.cta-secondary:hover {
  background: var(--gold);
  color: var(--anthracite);
  transform: translateY(-3px);
}

/* CONTACT */
.cta-whatsapp {
  display: inline-block;
  margin: 20px 0;
  padding: 14px 28px;
  background: #25D366;
  color: white;
  font-weight: 600;
  font-size: 18px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s ease;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

.cta-whatsapp:hover {
  background: #1ebe5d;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.45);
  transform: translateY(-3px);
}

.contact-section {
  padding: 80px 20px;
}

.contact-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 40px auto 0;
}

.contact-info {
  max-width: 350px;
  color: var(--gold);
}

.contact-info h3 {
  margin-bottom: 10px;
}

.contact-links a {
  display: block;
  margin-top: 10px;
  color: var(--white);
  text-decoration: none;
  transition: 0.3s;
}

.contact-links a:hover {
  color: var(--gold);
}

.contact-form {
  flex: 1;
  min-width: 300px;
  background: var(--anthracite);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 6px;
  border: none;
  background: #2a2a2a;
  color: var(--white);
}

.contact-form textarea {
  height: 140px;
  resize: none;
}

.contact-form button {
  width: 100%;
  background: var(--gold);
  color: var(--anthracite);
  font-weight: bold;
  padding: 12px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: 0.3s;
}

.contact-form button:hover {
  background: #e6c45c;
}

/* FOOTER */
.footer-premium {
  background: linear-gradient(to bottom, #1A1A1A, #111);
  color: var(--gold);
  padding: 50px 20px 30px;
  border-top: 2px solid rgba(212,175,55,0.35);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  max-width: 260px;
}

.footer-logo {
  height: 50px;
  margin-bottom: 12px;
}

.footer-tagline {
  margin-top: 10px;
  font-size: 15px;
  color: #f0e4c5;
}

.footer-subbrand {
  margin-top: 6px;
  font-size: 14px;
  color: #d4c89a;
}

.footer-links a,
.footer-partners a {
  display: block;
  color: #f0e4c5;
  text-decoration: none;
  margin-bottom: 6px;
  transition: 0.3s;
}

.footer-links a:hover,
.footer-partners a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: #d4c89a;
}

.footer-legal {
  color: #f0e4c5;
  text-decoration: none;
  margin: 0 6px;
}

.footer-legal:hover {
  color: var(--white);
}

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE MOBILE */
@media (max-width: 480px) {

  .navbar {
    flex-direction: column;
    padding: 16px;
    text-align: center;
  }

  nav a {
    margin: 6px 0;
    display: block;
  }

  .hero {
    padding: 50px 20px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }

  .btn,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .cta-whatsapp {
    width: 100%;
    text-align: center;
    font-size: 16px;
    padding: 12px 20px;
  }

  section {
    padding: 60px 20px;
  }

  .section-intro {
    font-size: 16px;
  }

  .section-proof {
    margin-top: 0;
    font-size: 15px;
  }

  .grid {
    flex-direction: column;
    align-items: center;
  }

  .card,
  .bien-card {
    width: 100%;
    max-width: 340px;
  }

  .bien-img {
    height: 150px;
  }

  .contact-grid {
    flex-direction: column;
    text-align: center;
  }

  .contact-form {
    margin-top: 20px;
    padding: 16px;
  }

  .contact-info {
    max-width: 100%;
  }

  .footer-premium {
    padding: 40px 20px 20px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-brand {
    max-width: 200px;
    margin: 0 auto;
  }

  .footer-logo {
    height: 40px;
  }
}