/**
 * Modern UI Enhancement - SIBA CareerBridge
 * Animations, transitions, and polished interactions for all frontend pages
 */

:root {
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --brand-primary: #011c38;
  --brand-accent: #ffc043;
  --brand-blue: #2563eb;
  --shadow-soft: 0 4px 20px rgba(1, 28, 56, 0.08);
  --shadow-hover: 0 12px 40px rgba(1, 28, 56, 0.15);
}

/* Smooth scroll & reduced motion */
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Navbar modern polish */
.navbar.navbar-dark .navbar-brand {
  transition: transform 0.3s var(--ease-smooth);
}
.navbar.navbar-dark .navbar-brand:hover {
  transform: scale(1.05);
}
.navbar .nav-link {
  transition: color 0.2s ease, transform 0.2s ease;
  position: relative;
}
.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand-accent);
  transition: width 0.3s var(--ease-smooth), left 0.3s var(--ease-smooth);
}
.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  width: 100%;
  left: 0;
}
.navbar .nav-link:hover {
  transform: translateY(-1px);
}
.navbar .dropdown-toggle {
  transition: all 0.25s var(--ease-smooth);
}
.navbar .dropdown-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}
.navbar .dropdown-menu {
  animation: fadeSlideDown 0.25s var(--ease-out-expo);
  border: none;
  box-shadow: var(--shadow-hover);
}
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Page load & section reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-on-scroll.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-on-scroll.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-on-scroll.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-on-scroll.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-on-scroll.reveal-delay-5 { transition-delay: 0.5s; }

/* Hero sections - refined animation */
.hero-section .hero-title,
.hero-section .hero-subtitle,
.hero-section .hero-buttons {
  animation: fadeUp 0.8s var(--ease-out-expo) forwards;
}
.hero-section .hero-subtitle { animation-delay: 0.15s; opacity: 0; }
.hero-section .hero-buttons { animation-delay: 0.3s; opacity: 0; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & boxes - modern hover */
.card, .job-box, .stat-item, .stat-box, .stat-card, .talent-card, .benefit-card, .review-box, .faq-item, .service-card, .info-card {
  transition: transform 0.35s var(--ease-out-expo), box-shadow 0.35s var(--ease-smooth);
}
.card:hover, .job-box:hover, .stat-item:hover, .stat-box:hover, .stat-card:hover, .talent-card:hover, .benefit-card:hover,
.review-box:hover, .faq-item:hover, .service-card:hover, .info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* Buttons - magnetic feel */
.btn, .hero-btn, .btn-apply, .btn-details {
  transition: transform 0.25s var(--ease-out-expo), box-shadow 0.25s ease;
}
.btn:active, .hero-btn:active, .btn-apply:active, .btn-details:active {
  transform: scale(0.98);
}

/* Carousel / slider enhancements */
.carousel-item {
  transition: opacity 0.5s ease;
}
#slider-image:hover {
  transform: scale(1.03);
}
.image-wrapper {
  overflow: hidden;
}
.image-wrapper img {
  transition: transform 0.7s var(--ease-smooth);
}
.image-wrapper:hover img {
  transform: scale(1.05);
}

/* Services / overview cards */
.two .services, .overview .two .services {
  transition: all 0.35s var(--ease-out-expo);
}
.two .services:hover, .overview .two .services:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

/* Contact form & inputs */
.form-control, .form-select {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus, .form-select:focus {
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

/* FAQ accordion */
.faq-item, .accordion-button {
  transition: all 0.3s var(--ease-smooth);
}
.accordion-button:not(.collapsed) {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* Staggered list animation - triggers when container enters viewport */
.stagger-children > * {
  opacity: 0;
  transform: translateY(16px);
}
.stagger-children.stagger-active > * {
  animation: staggerIn 0.5s var(--ease-out-expo) forwards;
}
.stagger-children.stagger-active > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children.stagger-active > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children.stagger-active > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children.stagger-active > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children.stagger-active > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children.stagger-active > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children.stagger-active > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children.stagger-active > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children.stagger-active > *:nth-child(n+9) { animation-delay: 0.45s; }
@keyframes staggerIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer links */
footer a {
  transition: color 0.2s ease, transform 0.2s ease;
}
footer a:hover {
  transform: translateX(4px);
}

/* Pulse for CTAs */
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}
.cta-pulse:hover {
  animation: pulse-soft 1.5s ease-in-out infinite;
}

/* Opportunity tab buttons */
.opp-tab-btn {
  transition: transform 0.25s var(--ease-smooth), box-shadow 0.25s ease, background 0.25s ease !important;
}
.opp-tab-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(30, 60, 114, 0.25) !important;
}
.opp-tab-btn.active {
  box-shadow: 0 6px 20px rgba(30, 60, 114, 0.35) !important;
}