/* ==========================================================================
   RinoSalud - Modern Medical Design System & Core Styles (v2.0 Refined)
   ========================================================================== */

:root {
  --color-primary: #3A9696;
  --color-primary-dark: #2A7373;
  --color-primary-light: #EBF7F7;
  --color-primary-subtle: #F2FAFA;
  
  --color-dark: #0F172A;
  --color-heading: #1E293B;
  --color-body: #334155;
  --color-muted: #64748B;
  
  --color-bg-light: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  
  --color-warning-bg: #FFFBEB;
  --color-warning-border: #FCD34D;
  --color-warning-text: #92400E;

  --color-accent-blue: #0284C7;
  --color-accent-green: #10B981;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.1), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 20px 35px -8px rgba(58, 150, 150, 0.18), 0 8px 16px -4px rgba(15, 23, 42, 0.06);

  --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base & Typography */
body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--color-body);
  background-color: #FAFCFD;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Utilities & Accents */
.text-primary-brand {
  color: var(--color-primary) !important;
}

.bg-primary-brand {
  background-color: var(--color-primary) !important;
}

.bg-primary-subtle {
  background-color: var(--color-primary-light) !important;
}

.bg-light-soft {
  background-color: var(--color-bg-light);
}

.border-brand {
  border-color: var(--color-border) !important;
}

/* Rounded Logo & Badges */
.navbar-brand-logo {
  height: 48px;
  width: auto;
  border-radius: var(--radius-md);
  object-fit: contain;
  transition: var(--transition-base);
}

.navbar-brand:hover .navbar-brand-logo {
  transform: scale(1.03);
}

.logo-circle-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border-radius: 50%;
  padding: 4px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.logo-circle-wrapper img {
  border-radius: 50%;
  object-fit: cover;
}

/* Buttons */
.btn-brand {
  background-color: var(--color-primary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary);
  box-shadow: 0 4px 14px rgba(58, 150, 150, 0.25);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-brand:hover, .btn-brand:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(58, 150, 150, 0.35);
  transform: translateY(-2px);
}

.btn-brand-outline {
  background-color: transparent;
  color: var(--color-primary) !important;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-brand-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(58, 150, 150, 0.2);
}

.btn-brand-light {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark) !important;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-brand-light:hover {
  background-color: #def0f0;
  color: var(--color-primary-dark) !important;
  transform: translateY(-2px);
}

/* Navbar */
.navbar-custom {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  padding: 0.85rem 0;
  position: sticky;
  top: 0;
  z-index: 1020;
  transition: var(--transition-base);
}

.nav-link-custom {
  color: var(--color-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.nav-link-custom:hover, .nav-link-custom.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Announcement / Prenatal / Status Banner */
.announcement-card {
  background: linear-gradient(135deg, #FFFDF8 0%, #FFF9EB 100%);
  border: 1px solid var(--color-warning-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background-color: #FEF3C7;
  color: #92400E;
}

.badge-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #D97706;
  display: inline-block;
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem 0;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at top right, rgba(58, 150, 150, 0.08) 0%, transparent 60%);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-body);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-stat-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

/* Feature Cards & Pill Boxes */
.card-modern {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  height: 100%;
}

.card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(58, 150, 150, 0.3);
}

.icon-box-brand {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  transition: var(--transition-base);
}

.card-modern:hover .icon-box-brand {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Alert Requirements Box */
.alert-requirement {
  background-color: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-left: 5px solid var(--color-accent-blue);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  color: #1E3A8A;
}

/* Google Calendar Embed Container */
.calendar-iframe-container {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.calendar-iframe-container iframe {
  width: 100%;
  height: 720px;
  border: 0;
  display: block;
}

/* Neuro Detection Highlight Section */
.neuro-box {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #F8FAFC;
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.neuro-box::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(58, 150, 150, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.neuro-box h2, .neuro-box h3 {
  color: #FFFFFF;
}

.neuro-box p {
  color: #CBD5E1;
}

/* Interactive Olfactory Assessment Widget */
.quiz-container {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeIn 0.35s ease-in-out;
}

.quiz-option-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.quiz-option-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.quiz-option-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
  color: var(--color-primary-dark);
}

.quiz-option-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quiz-option-card.selected .quiz-option-indicator {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

.quiz-option-card.selected .quiz-option-indicator::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ffffff;
}

.quiz-progress-bar {
  height: 8px;
  background-color: #E2E8F0;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 2rem;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, #2DD4BF 100%);
  width: 25%;
  transition: width 0.3s ease;
}

/* Pricing Cards */
.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  position: relative;
  box-shadow: 0 10px 30px rgba(58, 150, 150, 0.12);
}

.pricing-badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 10px rgba(58, 150, 150, 0.3);
}

.pricing-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-dark);
}

/* Doctors Profile Cards */
.doctor-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.doctor-card:hover {
  box-shadow: var(--shadow-md);
}

.doctor-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: top center;
}

/* FAQ Accordion */
.accordion-custom .accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg) !important;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-custom .accordion-button {
  font-weight: 700;
  color: var(--color-heading);
  padding: 1.25rem 1.5rem;
  background: #ffffff;
  box-shadow: none;
}

.accordion-custom .accordion-button:not(.collapsed) {
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
}

/* Floating WhatsApp Button */
.whatsapp-float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #25D366;
  color: #ffffff !important;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 1050;
  transition: var(--transition-base);
}

.whatsapp-float-btn:hover {
  background-color: #20BA5A;
  color: #ffffff !important;
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-float-tooltip {
  position: absolute;
  right: 70px;
  background: #0F172A;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-base);
}

.whatsapp-float-btn:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Footer - Refined High Contrast */
.footer-custom {
  background-color: #0A1124;
  color: #E2E8F0;
  padding: 4.5rem 0 2.5rem 0;
  border-top: 1px solid #1E293B;
}

.footer-custom h5 {
  color: #FFFFFF !important;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-custom p {
  color: #CBD5E1;
  line-height: 1.6;
}

.footer-custom a {
  color: #CBD5E1;
  transition: var(--transition-base);
}

.footer-custom a:hover {
  color: #38BDF8 !important;
}

.footer-custom .text-muted {
  color: #94A3B8 !important;
}

.footer-social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF !important;
  font-size: 1.2rem;
  transition: var(--transition-base);
  margin-right: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-social-icon:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(58, 150, 150, 0.4);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .hero-section {
    padding: 2.5rem 0;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .card-modern, .quiz-container, .neuro-box {
    padding: 1.5rem;
  }
  .calendar-iframe-container iframe {
    height: 600px;
  }
  .whatsapp-float-btn {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
    font-size: 28px;
  }
  .whatsapp-float-tooltip {
    display: none;
  }
}