/* ==========================================================================
   Svetlana Tratch Music Studio — Custom Stylesheet (Conservatory Atelier)
   ========================================================================== */

:root {
  --primary: #6E2639;
  --primary-dark: #510F24;
  --primary-light: #8E384F;
  --primary-container: #6E2639;
  --on-primary: #FFFFFF;
  --primary-fixed: #FFD9DF;
  
  --secondary: #C5A880;
  --secondary-dark: #8C6A34;
  --secondary-light: #E0C298;
  --secondary-container: #FEDEB2;
  --on-secondary: #281800;
  
  --canvas: #FBF9F5;
  --surface-low: #F5F1EA;
  --surface: #EFEEEA;
  --surface-high: #EAE8E4;
  --surface-highest: #E4E2DE;
  --surface-white: #FFFFFF;
  
  --text-primary: #1E1E24;
  --text-muted: #5C5955;
  --text-light: #7A7670;
  
  --border-light: #E5DFD5;
  --border-subtle: rgba(197, 168, 128, 0.25);
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  color: var(--text-primary);
  background-color: var(--canvas);
  font-family: var(--font-sans);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--canvas);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar for modern browsers */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--surface-low);
}
::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-dark);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Typography helper classes */
.font-serif {
  font-family: var(--font-serif);
}
.font-sans {
  font-family: var(--font-sans);
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(251, 249, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(30, 30, 36, 0.06);
  background-color: rgba(251, 249, 245, 0.98);
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-normal);
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--secondary);
  border-radius: 1px;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--primary);
  color: var(--on-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8125rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
  box-shadow: 0 2px 8px rgba(110, 38, 57, 0.18);
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--on-primary);
  box-shadow: 0 4px 14px rgba(110, 38, 57, 0.28);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8125rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  border: 1px solid var(--secondary);
  transition: all var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(197, 168, 128, 0.12);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-surface {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8125rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid var(--border-light);
  cursor: pointer;
}

.btn-surface:hover {
  background-color: var(--surface-high);
  color: var(--primary);
}

/* Card hover elevations */
.card-hover {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -6px rgba(30, 30, 36, 0.08);
}

/* Mobile drawer menu */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(30, 30, 36, 0.45);
  backdrop-filter: blur(4px);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background-color: var(--canvas);
  border-left: 1px solid var(--border-light);
  z-index: 70;
  transform: translateX(100%);
  transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

/* FAQ Accordion */
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 1.25rem 0;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--primary);
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal);
}

.faq-item.active .faq-content {
  max-height: 500px;
  padding-bottom: 1.25rem;
}

/* Floating Action / WhatsApp Widget */
.floating-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 45;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-btn:hover {
  background-color: #20BA5A;
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.scroll-top-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--surface-white);
  color: var(--primary);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Form Styles */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(110, 38, 57, 0.12);
}

.form-input::placeholder {
  color: var(--text-light);
  font-style: italic;
}

/* Radio Card Selector */
.radio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-light);
  background-color: var(--surface-low);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-card:hover {
  background-color: var(--surface);
  border-color: var(--secondary);
}

.radio-card input:checked + .radio-card-body,
.radio-card:has(input:checked) {
  border-color: var(--primary);
  background-color: var(--surface-white);
  box-shadow: 0 2px 10px rgba(110, 38, 57, 0.08);
}

.radio-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast);
}

.radio-card:has(input:checked) .radio-dot {
  border-color: var(--primary);
}

.radio-dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--transition-fast);
}

.radio-card:has(input:checked) .radio-dot::after {
  opacity: 1;
  transform: scale(1);
}

/* Alert notifications */
.alert-banner {
  padding: 1rem 1.25rem;
  border-radius: 0.375rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background-color: #EBF8F2;
  border: 1px solid #A8E5C8;
  color: #1A6342;
}

.alert-error {
  background-color: #FDF2F2;
  border: 1px solid #F8B4B4;
  color: #9B1C1C;
}

/* Announcement Bar (Top of header) */
.announcement-bar {
  background: linear-gradient(90deg, #6E2639 0%, #510F24 50%, #6E2639 100%);
  color: #FFFFFF;
  border-bottom: 1px solid rgba(255, 217, 223, 0.2);
  transition: all var(--transition-normal);
}

.announcement-bar a.announcement-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: #FEDEB2;
  color: #510F24;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.announcement-bar a.announcement-btn:hover {
  background-color: #FFFFFF;
  transform: translateY(-1px);
}

body.has-announcement main {
  padding-top: calc(5rem + 38px);
}

@media (max-width: 640px) {
  body.has-announcement main {
    padding-top: calc(5rem + 54px);
  }
}

/* Calendar & Agenda Styling */
.calendar-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 0.875rem;
  padding: 1.25rem 1.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .calendar-card {
    flex-direction: row;
    align-items: center;
  }
}

.calendar-card:hover {
  border-color: rgba(114, 91, 56, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(110, 38, 57, 0.07);
}

.date-badge {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 0.75rem;
  background-color: var(--surface-low);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(30, 30, 36, 0.04);
}

.date-badge-month {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
}

.date-badge-day {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-top: 0.125rem;
}

/* Category Badges */
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  line-height: 1.2;
}

.cat-vakantie {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

.cat-voorspeelmiddag {
  background-color: #FCE7F3;
  color: #9D174D;
  border: 1px solid #FBCFE8;
}

.cat-proeflessen {
  background-color: #FEF9C3;
  color: #854D0E;
  border: 1px solid #FEF08A;
}

.cat-concert {
  background-color: #DBEAFE;
  color: #1E40AF;
  border: 1px solid #BFDBFE;
}

.cat-overig {
  background-color: #F3F4F6;
  color: #374151;
  border: 1px solid #E5E7EB;
}

/* Print Styles */
@media print {
  .site-header,
  .floating-widget,
  footer,
  .no-print {
    display: none !important;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
}