/* ==========================================================================
   کلینیک تخصصی دندانپزشکی و زیبایی دُرسا (Dorsa Dental Clinic)
   طراحی و معماری وب‌سایت: آراد وفایی (aradvafaee.ir)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@100;200;300;400;500;600;700;800;900&display=swap');

:root {
  --font-sans: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Theme: Clean Medical Light (Default for Healthcare) */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f0fdfa;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-color: rgba(14, 165, 233, 0.12);
  --border-color-hover: rgba(14, 165, 233, 0.35);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-sub: #64748b;

  /* Medical Dental Palette */
  --primary-cyan: #0ea5e9;       /* Medical Sky Cyan */
  --primary-teal: #0d9488;       /* Clinical Teal */
  --primary-emerald: #10b981;    /* Sterile Clean Emerald */
  --accent-gold: #f59e0b;        /* Smile Aesthetic Gold */
  --accent-glow: rgba(14, 165, 233, 0.18);

  --shadow-card: 0 10px 30px -5px rgba(14, 165, 233, 0.08);
  --shadow-float: 0 20px 40px -10px rgba(13, 148, 136, 0.15);
}

[data-theme="dark"] {
  --bg-body: #070d17;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #132238;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.8);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(14, 165, 233, 0.45);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #64748b;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-float: 0 20px 40px -10px rgba(14, 165, 233, 0.2);
}

/* Base Configuration */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  direction: rtl;
  text-align: right;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  line-height: 1.6;
}

/* Custom Medical Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 9999px;
  border: 2px solid var(--bg-body);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-cyan);
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

/* Interactive Before / After Image Slider */
.ba-slider-container {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
  border-radius: 20px;
  user-select: none;
  touch-action: pan-y;
  cursor: ew-resize;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}
.ba-slider-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ba-after-container {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
  border-left: 3px solid #ffffff;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
}
.ba-after-container .ba-slider-image {
  position: absolute;
  top: 0;
  right: 0;
  width: auto;
  min-width: 100%;
  height: 100%;
  object-fit: cover;
}
.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-teal);
  font-weight: 900;
  cursor: ew-resize;
  pointer-events: none;
  z-index: 10;
}

/* Medical Button Styles */
.btn-medical {
  background: linear-gradient(135deg, #0ea5e9 0%, #0d9488 100%);
  color: #ffffff !important;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 18px rgba(14, 165, 233, 0.35);
}
.btn-medical:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
  transform: translateY(-2px);
}
.btn-medical:active {
  transform: translateY(0);
}

.btn-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  color: #ffffff !important;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}
.btn-gold:hover {
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  transform: translateY(-2px);
}

/* Animations */
@keyframes pulseHeart {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.animate-pulse-heart {
  animation: pulseHeart 3s ease-in-out infinite;
}

@keyframes floatGentle {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
.animate-float {
  animation: floatGentle 5s ease-in-out infinite;
}

/* Gradient Texts */
.gradient-text-medical {
  background: linear-gradient(135deg, #0284c7 0%, #0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="dark"] .gradient-text-medical {
  background: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Background Gradients */
.medical-bg-pattern {
  background-image: radial-gradient(rgba(14, 165, 233, 0.08) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
}
[data-theme="dark"] .medical-bg-pattern {
  background-image: radial-gradient(rgba(14, 165, 233, 0.15) 1.5px, transparent 1.5px);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid var(--primary-cyan);
  border-radius: 14px;
  padding: 14px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
[data-theme="dark"] .toast {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Developer Card in Footer */
.developer-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(13, 148, 136, 0.08), rgba(255, 255, 255, 0.7));
  border: 1px solid rgba(14, 165, 233, 0.25);
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.08);
}
[data-theme="dark"] .developer-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(13, 148, 136, 0.12), rgba(15, 23, 42, 0.85));
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}