/* =========================================
   PROFESSIONAL ENHANCEMENTS - CLEAN THEME
   ========================================= */

/* Removed decorative dotted elements for clean professional look */

/* Enhanced Hero */
.hero {
  position: relative;
  overflow: hidden;
}

.hero > * {
  position: relative;
  z-index: 1;
}

/* Professional Card Enhancements */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-pink));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(14, 165, 233, 0.3);
}

/* Button Enhancements */
.btn {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(14, 165, 233, 0.08);
  border-color: var(--accent-strong);
  color: var(--accent-strong);
}

/* Section Headers */
.section-header {
  position: relative;
  text-align: center;
  margin-bottom: 3rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(14, 165, 233, 0.08);
  border-radius: 50px;
  position: relative;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '•';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.5rem;
}

.section-eyebrow::before {
  left: 0.5rem;
}

.section-eyebrow::after {
  right: 0.5rem;
}

.section-title {
  font-family: var(--font-base);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-pink));
  border-radius: 2px;
}

/* Enhanced Navigation */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--accent);
  transition: transform var(--transition);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: translateX(-50%) scaleX(1);
}

/* Loading States */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading {
  background: linear-gradient(
    90deg,
    var(--surface) 0%,
    rgba(14, 165, 233, 0.05) 50%,
    var(--surface) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* Success States */
@keyframes successPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

.success-message {
  background: var(--gradient-brand-bright);
  color: var(--text-on-primary);
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--brand-glow);
  animation: successPulse 0.5s ease-out;
}

/* Dotted Separator */
.dotted-separator {
  width: 100%;
  height: 1px;
  background-image: linear-gradient(
    90deg,
    transparent,
    transparent 50%,
    var(--border) 50%,
    var(--border)
  );
  background-size: 8px 1px;
  margin: 2rem 0;
}

/* Floating Animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Enhanced Shadows for Depth */
.elevated-1 {
  box-shadow: var(--shadow-sm);
}

.elevated-2 {
  box-shadow: var(--shadow-md);
}

.elevated-3 {
  box-shadow: var(--shadow-lg);
}

.elevated-4 {
  box-shadow: var(--shadow-xl);
}

/* Glassmorphism Effect */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Improved Focus States */
*:focus-visible {
  outline: 3px solid rgba(14, 165, 233, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Selection Color */
::selection {
  background: rgba(14, 165, 233, 0.2);
  color: var(--primary);
}

::-moz-selection {
  background: rgba(14, 165, 233, 0.2);
  color: var(--primary);
}

/* Professional Footer */
.footer {
  background: linear-gradient(180deg, transparent 0%, rgba(14, 165, 233, 0.02) 100%);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border) 50%,
    transparent
  );
}

/* Course Card Grid Enhancement */
.course-card {
  position: relative;
  overflow: hidden;
}

.course-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.course-card:hover::after {
  opacity: 1;
}

/* Responsive Dotted Pattern */
@media (max-width: 768px) {
  .hero::before,
  .section::before,
  .section::after {
    display: none;
  }
  
  body {
    background-size: 15px 15px, 100% 100%, 100% 100%;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .floating-consult-btn,
  .consultation-modal,
  .btn {
    display: none !important;
  }
  
  body {
    background: white;
  }
}