/* ============================================================
   MOBILE PREMIUM "MEDICAL STARTUP" REDESIGN
   Only applies to max-width: 768px (Phones/Small Tablets)
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --premium-blue: #1976d2;
    --soft-blue: #e3f2fd;
    --soft-green: #e8f5e9;
    --card-radius: 24px;
    --btn-radius: 14px;
    --premium-shadow: 0 12px 30px rgba(25, 118, 210, 0.12);
    --glass-blur: blur(12px);
  }

  body {
    background-color: #ffffff !important; /* Clean Startup White */
    overflow-x: hidden;
  }

  /* 1. STICKY BLUR NAVBAR */
  .navbar.professional-navbar {
    backdrop-filter: var(--glass-blur);
    background: rgba(25, 118, 210, 0.85) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .professional-navbar .navbar-brand span {
    font-size: 1rem !important; /* Slightly smaller for mobile fit */
  }

  /* 2. HIGH-END HERO SECTION */
  .hero-section {
    min-height: 100vh !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.8), rgba(13, 71, 161, 0.9)), 
                url('images/bienvenueDERMA.jpg') center center / cover no-repeat !important;
    padding-top: 80px !important;
  }

  .hero-section h1 {
    font-size: clamp(1.8rem, 9vw, 2.5rem) !important;
    line-height: 1.2 !important;
    padding: 0 10px;
  }

  .hero-section .btn-lg {
    width: 90% !important;
    padding: 18px !important;
    border-radius: var(--btn-radius) !important;
    font-weight: 600 !important;
    font-size: 1.1rem !important;
    text-transform: none !important;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2) !important;
  }

  /* 3. PREMIUM CARDS */
  .content-card, .service-card, .specialite-card, .contact-card, .faq-card {
    margin-top: -80px !important;
    border-radius: var(--card-radius) !important;
    border: none !important;
    box-shadow: var(--premium-shadow) !important;
    padding: 24px !important;
    background: #ffffff !important;
    transition: transform 0.2s ease;
  }

  .content-card:active, .service-card:active {
    transform: scale(0.98);
  }

  h2 {
    font-size: 1.6rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
  }

  /* 4. STICKY BOTTOM CTA */
  .mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px 24px;
    background: linear-gradient(to top, #ffffff, rgba(255,255,255,0.9));
    z-index: 1050;
    box-shadow: 0 -10px 25px rgba(0,0,0,0.05);
  }

  .mobile-sticky-cta .btn {
    width: 100%;
    padding: 16px;
    border-radius: var(--btn-radius);
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--premium-blue);
    color: white;
    box-shadow: 0 8px 15px rgba(25, 118, 210, 0.3);
  }

  /* 5. DISABLE THREE.JS BANNER ON MOBILE */
  .medical-3d-banner {
    display: none !important;
  }

  /* 6. CHATBOT MODAL FULLSCREEN */
  #chatbot-window {
    width: 100vw !important;
    height: 100vh !important;
    bottom: 0 !important;
    right: 0 !important;
    border-radius: 0 !important;
  }

  .chatbot-toggle {
    bottom: 100px !important; /* Position it above the sticky CTA */
    right: 20px !important;
    width: 50px !important;
    height: 50px !important;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15) !important;
  }
}