/*
 * animations.css — iCore Digital Marketing Solutions
 * CSS-only transitions and hover effects.
 * NO scroll-triggered JS animations, NO IntersectionObserver triggers,
 * NO parallax, NO requestAnimationFrame counters.
 * Allowed: CSS hover transitions (max 200ms ease), opacity on sticky header.
 */

/* ============================================================
   GLOBAL RESET & SMOOTH SCROLL
   ============================================================ */
html {
  scroll-behavior: smooth;
}

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

/* ============================================================
   CSS CUSTOM PROPERTIES — Animation Tokens
   ============================================================ */
:root {
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-medium: 300ms ease;

  --color-primary:     #0A66C2;
  --color-secondary:   #FF7A00;
  --color-bg:          #F5F7FA;
  --color-surface:     #FFFFFF;
  --color-text:        #1A1A2E;
  --color-muted:       #6B7280;
  --color-border:      #E5E7EB;
}

/* ============================================================
   BUTTONS — Hover Transitions (CSS only, max 200ms)
   ============================================================ */

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    color            var(--transition-base),
    transform        var(--transition-base);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-secondary);
  border-color:     var(--color-secondary);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary / Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: transparent;
  color: var(--color-primary);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    color            var(--transition-base),
    transform        var(--transition-base);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-ghost:active {
  transform: translateY(0);
}

/* Ghost White (on dark/blue backgrounds) */
.btn-ghost-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: transparent;
  color: #FFFFFF;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid #FFFFFF;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    color            var(--transition-base),
    transform        var(--transition-base);
}

.btn-ghost-white:hover,
.btn-ghost-white:focus-visible {
  background-color: #FFFFFF;
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Orange CTA (hero primary) */
.btn-cta-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background-color: var(--color-secondary);
  color: #FFFFFF;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: 2px solid var(--color-secondary);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    transform        var(--transition-base);
}

.btn-cta-orange:hover,
.btn-cta-orange:focus-visible {
  background-color: #e56e00;
  border-color: #e56e00;
  transform: translateY(-1px);
}

/* Fixed Sticky CTA Button (bottom-right) */
.sticky-cta-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 50;
  padding: 14px 24px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(10, 102, 194, 0.3);
  transition:
    background-color var(--transition-base),
    transform        var(--transition-base),
    box-shadow       var(--transition-base);
}

.sticky-cta-btn:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.35);
}

/* ============================================================
   CARDS — CSS scale transform only (no JS lift)
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* Service Cards */
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* Industry Cards */
.industry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 16px;
  text-align: center;
  transition:
    border-color  var(--transition-base),
    background    var(--transition-base),
    transform     var(--transition-base);
}

.industry-card:hover {
  border-color:  var(--color-primary);
  background:    #EBF4FF;
  transform:     scale(1.02);
}

/* Case Study Cards */
.case-study-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.case-study-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* Pricing Cards */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.pricing-card:hover {
  transform: scale(1.02);
}

/* Highlighted pricing card (Growth) */
.pricing-card--highlight {
  border-color: var(--color-primary);
  border-width: 2px;
}

.pricing-card--highlight:hover {
  transform: scale(1.02);
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.testimonial-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.01);
}

/* Blog Cards */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.blog-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* Team Member Cards */
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px;
  text-align: center;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.team-card:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* Tool Cards */
.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 32px;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.tool-card:hover {
  border-color: var(--color-secondary);
  transform: scale(1.02);
}

/* ============================================================
   NAVIGATION LINKS — Underline Hover
   ============================================================ */
.nav-link {
  position: relative;
  color: var(--color-text);
  text-decoration: none;
  font-family: 'Open Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

/* Footer Links */
.footer-link {
  color: #9CA3AF;
  text-decoration: none;
  font-size: 1rem;
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: #FFFFFF;
}

/* Text Links (inline) */
.text-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-base);
}

.text-link:hover {
  color: var(--color-secondary);
}

/* "Learn More →" arrow nudge */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: color var(--transition-base), gap var(--transition-base);
}

.arrow-link:hover {
  color: var(--color-secondary);
  gap: 8px;
}

/* ============================================================
   STICKY HEADER — opacity / background transition on scroll
   Applied via JS class toggle (.is-scrolled), pure CSS effect
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition:
    background-color var(--transition-medium),
    border-color     var(--transition-medium),
    box-shadow       var(--transition-medium);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 1);
  border-color: var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* Header Logo */
.site-logo {
  transition: opacity var(--transition-base);
}

.site-logo:hover {
  opacity: 0.85;
}

/* ============================================================
   MEGA MENU — CSS reveal (no JS animation)
   ============================================================ */
.mega-menu-wrapper {
  position: relative;
}

.mega-menu-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 640px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 0 0 4px 4px;
  padding: 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity      var(--transition-base),
    visibility   var(--transition-base);
  z-index: 200;
}

.mega-menu-wrapper:hover .mega-menu-dropdown,
.mega-menu-wrapper:focus-within .mega-menu-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Mega menu items */
.mega-menu-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-base), background var(--transition-base);
}

.mega-menu-item:last-child {
  border-bottom: none;
}

.mega-menu-item:hover {
  color: var(--color-primary);
}

.mega-menu-item .item-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 2px;
}

/* ============================================================
   FORM INPUTS — focus transitions
   ============================================================ */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-family: 'Open Sans', sans-serif;
  font-size: 1rem;
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow   var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 102, 194, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-muted);
}

/* Submit button loading state */
.btn-submit {
  transition:
    background-color var(--transition-base),
    opacity          var(--transition-base),
    transform        var(--transition-base);
}

.btn-submit:disabled,
.btn-submit.is-loading {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* ============================================================
   ACCORDION / FAQ — CSS toggle (details/summary native)
   ============================================================ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: 16px 0;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-base);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

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

.faq-body {
  padding: 0 0 16px;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ============================================================
   BLOG FILTER TABS — active state CSS transition
   ============================================================ */
.filter-tab {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 32px;
  font-size: 1rem;
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  color: var(--color-muted);
  cursor: pointer;
  background: var(--color-surface);
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    color            var(--transition-base),
    border-color     var(--transition-base);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background-color: var(--color-primary);
  border-color:     var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   CLIENT LOGOS CAROUSEL — CSS marquee (no JS library)
   ============================================================ */
.logo-carousel-track {
  display: flex;
  gap: 64px;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.logo-carousel-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.logo-carousel-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  filter: grayscale(100%);
  transition:
    opacity var(--transition-base),
    filter  var(--transition-base);
}

.logo-carousel-item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* ============================================================
   TESTIMONIALS SLIDER — CSS scroll-snap
   ============================================================ */
.testimonials-track {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 16px;
}

.testimonials-track::-webkit-scrollbar {
  display: none;
}

.testimonials-track .testimonial-card {
  flex: 0 0 calc(50% - 16px);
  scroll-snap-align: start;
}

/* Slider arrow buttons */
.slider-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    color            var(--transition-base);
}

.slider-arrow:hover {
  background-color: var(--color-primary);
  border-color:     var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   CURRENCY TOGGLE SWITCH
   ============================================================ */
.currency-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 32px;
  padding: 4px;
  gap: 4px;
}

.currency-toggle-option {
  padding: 8px 16px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color            var(--transition-base);
  color: var(--color-muted);
  background: transparent;
  border: none;
}

.currency-toggle-option.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   FLOATING WHATSAPP WIDGET
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 96px;
  left: 24px;
  z-index: 50;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition:
    transform   var(--transition-base),
    box-shadow  var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}

/* ============================================================
   MOBILE HAMBURGER MENU BUTTON
   ============================================================ */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger-line {
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform  var(--transition-base),
    opacity    var(--transition-base);
}

.hamburger-btn.is-open .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.is-open .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Panel */
.mobile-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav.is-open {
  max-height: 100vh;
}

/* ============================================================
   EXIT POPUP / MODAL — CSS transition (opacity/visibility)
   ============================================================ */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity    var(--transition-medium),
    visibility var(--transition-medium);
}

.popup-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.popup-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  max-width: 480px;
  width: 90%;
  padding: 32px;
  position: relative;
  transform: translateY(16px);
  transition: transform var(--transition-medium);
}

.popup-overlay.is-visible .popup-modal {
  transform: translateY(0);
}

.popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-muted);
  transition: color var(--transition-base);
}

.popup-close:hover {
  color: var(--color-text);
}

/* ============================================================
   CTA BANNER SECTION
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, #0A66C2 0%, #1A1A2E 100%);
  padding: 64px 16px;
}

.cta-banner .btn-ghost-white {
  margin-top: 16px;
}

/* ============================================================
   TRUST BADGES
   ============================================================ */
.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  text-align: center;
  transition:
    border-color var(--transition-base),
    transform    var(--transition-base);
}

.trust-badge:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb-item {
  color: var(--color-muted);
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumb-item:hover {
  color: var(--color-primary);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  transition:
    background-color var(--transition-base),
    border-color     var(--transition-base),
    color            var(--transition-base);
}

.pagination-link:hover {
  background-color: var(--color-primary);
  border-color:     var(--color-primary);
  color: #FFFFFF;
}

.pagination-link.active {
  background-color: var(--color-primary);
  border-color:     var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   COMPARISON TABLE ROW HOVER
   ============================================================ */
.comparison-row {
  transition: background-color var(--transition-base);
}

.comparison-row:hover {
  background-color: #EBF4FF;
}

/* ============================================================
   HERO IMAGE PLACEHOLDER (gradient, no real image needed)
   ============================================================ */
.hero-gradient-bg {
  background: linear-gradient(135deg, #0A66C2 0%, #1A1A2E 100%);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

/* Image placeholder for missing images */
.img-placeholder {
  background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 1rem;
}

/* ============================================================
   MOBILE RESPONSIVE OVERRIDES
   ============================================================ */
@media (max-width: 768px) {
  .testimonials-track .testimonial-card {
    flex: 0 0 calc(100% - 0px);
  }

  .sticky-cta-btn {
    bottom: 16px;
    right: 16px;
    font-size: 0.85rem;
    padding: 12px 16px;
  }

  .whatsapp-float {
    bottom: 80px;
    left: 16px;
  }

  .mega-menu-dropdown {
    min-width: 90vw;
  }
}

@media (max-width: 480px) {
  .btn-primary,
  .btn-ghost,
  .btn-cta-orange,
  .btn-ghost-white {
    width: 100%;
    justify-content: center;
  }
}