/* Interactive Section Styles */

:root {
  --is-beige-100: #F8FAFF;
  --is-beige-200: #EEF4FD;
  --is-beige-300: #DDEAFB;
  --is-gray-900: #1A1F35;
  --is-gray-800: #2D3647;
  --is-gray-700: #3F4A5C;
  --is-gray-600: #4B5563;
  --is-gray-500: #6B7280;
  --is-gray-400: #9CA3AF;
  --is-gray-300: #D1D5DB;
  --is-teal-800: #115E59;
  --is-teal-500: #14B8A6;
  --is-blue-600: #2563EB;
  --is-blue-accent: #588DFA;
  --is-green-500: #22C55E;
  --is-white: #FFFFFF;
}

.is-section {
  background-color: var(--is-beige-100);
  padding: 5rem 1rem;
  font-family: 'Work Sans', sans-serif;
  contain: layout style paint;
}

.is-container {
  max-width: 80rem; /* 7xl */
  margin: 0 auto;
  width: 100%;
}

.is-header {
  margin-bottom: 3rem;
}

.is-title {
  font-size: 1.5rem;
  line-height: 1.3;
  color: #0f172a;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .is-title {
    font-size: 2.4rem;
  }
}

.is-main-content {
  width: 100%;
  background-color: var(--is-beige-100);
  border-top: 1px solid var(--is-beige-300);
}

/* Tabs */
.is-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--is-beige-300);
}

.is-tab-btn {
  flex: 1;
  min-width: 120px;
  padding: 1rem 1.5rem;
  text-align: left;
  border-right: 1px solid var(--is-beige-300);
  background-color: var(--is-beige-200);
  cursor: pointer;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: none;
  border-left: none;
  border-bottom: none;
}

.is-tab-btn:last-child {
  border-right: none;
}

.is-tab-btn:hover {
  background-color: #E5E2D4;
  transform: translateY(-2px);
}

.is-tab-btn.active {
  background-color: var(--is-beige-100);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}



.is-tab-indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #588DFA, #93B5FD);
  display: none;
}

.is-tab-btn.active .is-tab-indicator {
  display: block;
}

.is-tab-label {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--is-gray-500);
}

.is-tab-btn.active .is-tab-label {
  color: var(--is-gray-900);
}

.is-tab-number {
  font-size: 0.75rem;
  font-family: monospace;
  color: var(--is-gray-400);
  margin-left: 0.5rem;
}

/* Grid Layout */
.is-grid {
  display: flex;
  flex-direction: column;
  min-height: 600px;
  border-bottom: 1px solid var(--is-beige-300);
  border-left: 1px solid var(--is-beige-300);
  border-right: 1px solid var(--is-beige-300);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  contain: layout;
}

@media (min-width: 1024px) {
  .is-grid {
    flex-direction: row;
  }
}

/* Left Content */
.is-content-panel {
  width: 100%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-right: 1px solid var(--is-beige-300);
  background-color: var(--is-beige-100);
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .is-content-panel {
    width: 35%;
    padding: 3rem;
  }
}

.is-content-title {
  font-size: 1.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--is-gray-900);
  animation: is-fade-slide-in 0.4s ease-out;
}

@media (min-width: 1024px) {
  .is-content-title {
    font-size: 2.25rem;
  }
}

.is-content-desc {
  color: var(--is-gray-600);
  font-size: 1.125rem;
  line-height: 1.625;
  margin-bottom: 2.5rem;
  animation: is-fade-slide-in 0.5s ease-out;
  animation-delay: 0.1s;
  opacity: 0;
  animation-fill-mode: forwards;
}

@keyframes is-fade-slide-in {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.is-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  border: 1px solid var(--is-gray-900);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: transparent;
  color: var(--is-gray-900);
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  width: fit-content;
}

.is-cta-btn:hover {
  background-color: var(--is-gray-900);
  color: var(--is-white);
}

.is-cta-icon {
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
  transition: transform 0.3s;
}

.is-cta-btn:hover .is-cta-icon {
  transform: translateX(4px);
}

/* Right Content (Visualizer) */
.is-visualizer-panel {
  width: 100%;
  background-color: var(--is-gray-900);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1;
}

@media (min-width: 1024px) {
  .is-visualizer-panel {
    width: 65%;
  }
}

.is-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
  background-image: linear-gradient(#4b5563 1px, transparent 1px), linear-gradient(90deg, #4b5563 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Visualizer Components */
.is-flow-container {
  position: relative;
  width: 100%;
  max-width: 56rem; /* 4xl */
  height: 450px;
  display: none; /* Hidden by default */
  align-items: center;
  justify-content: space-between;
  animation: is-fade-in 0.5s ease-out;
}

.is-flow-container.active {
  display: flex;
}

/* Add gradient overlay for depth */
.is-flow-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(88, 141, 250, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.is-flow-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.is-card {
  background-color: var(--is-gray-800);
  border: 1px solid var(--is-gray-700);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  color: var(--is-white);
  transition: all 0.3s ease;
}

.is-card:hover {
  box-shadow: 0 25px 50px -12px rgba(88, 141, 250, 0.25);
  border-color: rgba(88, 141, 250, 0.3);
}

@media (prefers-reduced-motion: no-preference) and (min-width: 1024px) {
  .is-card:hover {
    transform: translateY(-2px);
  }
}

.is-dark-card {
  background-color: #111827;
}

/* Enhanced card styles for right panel */
.is-card.is-dark-card[style*="background-color: #F8FAFF"],
.is-card.is-dark-card[style*="background-color: #EEF4FD"] {
  box-shadow: 0 10px 30px rgba(88, 141, 250, 0.15);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

/* Optimized: Removed heavy gradient shift animation */
.is-card.is-dark-card[style*="background-color: #F8FAFF"]::after,
.is-card.is-dark-card[style*="background-color: #EEF4FD"]::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #588DFA, #93B5FD, #588DFA);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.is-card.is-dark-card[style*="background-color: #F8FAFF"]:hover::after,
.is-card.is-dark-card[style*="background-color: #EEF4FD"]:hover::after {
  opacity: 1;
}

.is-card.is-dark-card[style*="background-color: #F8FAFF"]:hover,
.is-card.is-dark-card[style*="background-color: #EEF4FD"]:hover {
  box-shadow: 0 20px 40px rgba(88, 141, 250, 0.25);
}

@keyframes is-gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.is-chat-bubble {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
  animation: is-fade-in 0.5s ease-out;
}

.is-chat-bubble.right {
  align-items: flex-end;
}

.is-chat-bubble.left {
  align-items: flex-start;
}

.is-chat-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.25rem;
  gap: 0.5rem;
}

.is-chat-avatar {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: var(--is-teal-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: bold;
  color: white;
  box-shadow: 0 2px 8px rgba(88, 141, 250, 0.3);
  transition: transform 0.2s ease;
}

.is-chat-avatar:hover {
  transform: scale(1.1);
}

.is-chat-sender {
  font-size: 0.75rem;
  color: var(--is-gray-400);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.025em;
}

.is-chat-time {
  font-size: 0.625rem;
  color: var(--is-gray-500);
  font-weight: 500;
}

.is-chat-text {
  max-width: 90%;
  padding: 0.875rem 1rem;
  border-radius: 1rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}

.is-chat-text:hover {
  box-shadow: 0 4px 12px rgba(88, 141, 250, 0.2);
}

.is-chat-bubble.left .is-chat-text {
  background-color: var(--is-gray-700);
  color: var(--is-beige-200);
  border-top-left-radius: 0.25rem;
}

.is-chat-bubble.right .is-chat-text {
  background-color: var(--is-blue-600);
  color: white;
  border-top-right-radius: 0.25rem;
}

.is-icon-box {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background-color: var(--is-gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--is-gray-300);
  border: 1px solid var(--is-gray-700);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.is-icon-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(88, 141, 250, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.is-icon-box:hover {
  background-color: rgba(88, 141, 250, 0.1);
  border-color: rgba(88, 141, 250, 0.3);
  color: #588DFA;
}

@media (prefers-reduced-motion: no-preference) {
  .is-icon-box:hover {
    transform: scale(1.05);
  }
}

.is-icon-box:hover::before {
  opacity: 1;
}

.is-icon-box svg {
  transition: transform 0.3s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .is-icon-box:hover svg {
    transform: scale(1.1);
  }
}

/* Animations */
@keyframes is-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes is-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

@keyframes is-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes is-dash {
  to { stroke-dashoffset: -8; }
}

@keyframes is-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes is-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.is-animate-pulse {
  animation: is-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.is-animate-spin {
  animation: is-spin 1s linear infinite;
}

.is-animate-dash {
  animation: is-dash 1s linear infinite;
}

/* Enhanced status badges - Optimized: Removed heavy shimmer animation */
[style*="background-color: rgba(88, 141, 250, 0.2)"],
[style*="background-color: rgba(249, 115, 22, 0.2)"] {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Improved pill buttons */
.is-rounded-full[style*="background-color: #1F2937"] {
  transition: all 0.3s ease;
  cursor: pointer;
}

.is-rounded-full[style*="background-color: #1F2937"]:hover {
  background-color: #2D3748 !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Utility classes for specific elements */
.is-absolute { position: absolute; }
.is-relative { position: relative; }
.is-flex { display: flex; }
.is-items-center { align-items: center; }
.is-justify-between { justify-content: space-between; }
.is-justify-center { justify-content: center; }
.is-gap-2 { gap: 0.5rem; }
.is-gap-3 { gap: 0.75rem; }
.is-text-xs { font-size: 0.75rem; }
.is-text-xxs { font-size: 0.625rem; }
.is-font-bold { font-weight: 700; }
.is-text-gray-400 { color: var(--is-gray-400); }
.is-text-gray-500 { color: var(--is-gray-500); }
.is-text-white { color: white; }
.is-rounded-full { border-radius: 9999px; }
.is-rounded-xl { border-radius: 0.75rem; }
.is-rounded { border-radius: 0.25rem; }
.is-border-b { border-bottom: 1px solid var(--is-beige-300); }
.is-pb-2 { padding-bottom: 0.5rem; }
.is-mb-4 { margin-bottom: 1rem; }
.is-mb-3 { margin-bottom: 0.75rem; }
.is-w-full { width: 100%; }
.is-h-full { height: 100%; }
.is-z-10 { z-index: 10; }
.is-z-0 { z-index: 0; }

/* Specific Flow Styles */
.is-flow-quote { justify-content: center; }

/* Bibić Logistika Card Consistency */
.is-card[style*="background-color: #F8FAFF"] {
  background-color: var(--is-beige-100) !important;
  border: 1px solid var(--is-beige-300) !important;
  box-shadow: 0 2px 8px rgba(88, 141, 250, 0.08);
}

.is-card[style*="background-color: #F8FAFF"] .is-border-b {
  border-bottom-color: var(--is-beige-300) !important;
}

.is-card .is-chat-text {
  background-color: #FFFFFF !important;
  color: var(--is-gray-800) !important;
  border: 1px solid var(--is-beige-300);
}

/* ============================================
   RESPONSIVE DESIGN FOR MOBILE DEVICES
   ============================================ */

/* Intersection observer animations - Optimized */
.is-card {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.is-card.is-visible {
  opacity: 1;
}

/* MOBILE OPTIMIZATION: Disable complex animations on scroll */
@media (max-width: 768px) {
  /* Disable all transitions on mobile during scroll for better performance */
 
  
  .is-card {
    opacity: 1;
    transition: none;
  }
  
  .is-content-title {
    animation: none;
  }
  
  .is-content-desc {
    animation: none;
    opacity: 1 !important;
  }
  
  .is-flow-container {
    animation: none;
  }
  
  .is-chat-bubble {
    animation: none;
  }
}

/* Desktop only: Add transform animation for better experience */
@media (prefers-reduced-motion: no-preference) and (min-width: 768px) {
  .is-card {
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .is-card.is-visible {
    transform: translateY(0);
  }

  /* Stagger animation for multiple cards */
  .is-card:nth-child(1) { transition-delay: 0s; }
  .is-card:nth-child(2) { transition-delay: 0.1s; }
  .is-card:nth-child(3) { transition-delay: 0.2s; }
  .is-card:nth-child(4) { transition-delay: 0.3s; }
}

/* Mobile: Hide complex visualizations, show simplified cards */
@media (max-width: 768px) {
  .is-section {
    padding: 3rem 1rem;
  }

  .is-title {
    font-size: 22px;
    line-height: 1.25;
    text-align: left;
  }

  /* IMPROVED: Horizontal scrollable tabs on mobile */
  .is-tabs {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    border-bottom: 1px solid var(--is-beige-300);
    gap: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--is-blue-accent) var(--is-beige-200);
  }

  .is-tabs::-webkit-scrollbar {
    height: 4px;
  }

  .is-tabs::-webkit-scrollbar-track {
    background: var(--is-beige-200);
  }

  .is-tabs::-webkit-scrollbar-thumb {
    background: var(--is-blue-accent);
    border-radius: 2px;
  }

  .is-tab-btn {
    flex: 0 0 auto;
    padding: 1rem 1.25rem;
    border-right: 1px solid var(--is-beige-300);
    border-bottom: none;
    white-space: nowrap;
  }

  .is-tab-btn:last-child {
    border-right: none;
  }

  .is-tab-indicator {
    width: 100%;
    height: 4px;
    left: 0;
    top: auto;
    bottom: 0;
  }

  /* Simplify grid for mobile */
  .is-grid {
    min-height: auto;
    border: none;
  }

  .is-content-panel {
    width: 100%;
    padding: 1.5rem;
    border-right: none;
    border-bottom: 1px solid var(--is-beige-300);
  }

  .is-content-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .is-content-desc {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .is-cta-btn {
    width: 100%;
    justify-content: center;
    padding: 0.875rem 1.5rem;
  }

  /* Mobile visualization panel */
  .is-visualizer-panel {
    width: 100%;
    min-height: 400px;
    padding: 1rem;
  }

  .is-flow-container {
    height: auto;
    min-height: 350px;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
  }

  /* Hide complex SVG connections on mobile */
  .is-flow-svg {
    display: none;
  }

  /* Mobile card layout - stack vertically */
  .is-absolute {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    margin-bottom: 1rem;
  }

  .is-card {
    width: 100%;
    margin-bottom: 1rem;
  }

  /* Adjust icon boxes for mobile */
  .is-icon-box {
    width: 2.5rem;
    height: 2.5rem;
  }

  /* Mobile chat improvements */
  .is-chat-text {
    max-width: 100%;
    font-size: 0.875rem;
    padding: 1rem;
  }

  .is-chat-avatar {
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
  }

  .is-chat-sender {
    font-size: 0.8125rem;
  }

  /* Simplify status badges for mobile */
  .is-rounded-full[style*="padding"] {
    padding: 0.625rem 0.875rem !important;
    font-size: 0.75rem !important;
  }

  /* Hide connecting lines on mobile */
  .is-absolute[style*="width: 2px"] {
    display: none !important;
  }
}

/* Tablet optimization */
@media (min-width: 769px) and (max-width: 1023px) {
  .is-section {
    padding: 4rem 1.5rem;
  }

  .is-title {
    font-size: 2.5rem;
  }

  .is-visualizer-panel {
    padding: 1.5rem;
  }

  .is-flow-container {
    max-width: 100%;
    height: 400px;
  }

  /* Scale down cards slightly for tablet */
  .is-absolute[style*="width: 16rem"],
  .is-absolute[style*="width: 14rem"],
  .is-absolute[style*="width: 18rem"] {
    width: 12rem !important;
  }

  /* Adjust font sizes */
  .is-text-xs {
    font-size: 0.6875rem;
  }

  .is-text-xxs {
    font-size: 0.5625rem;
  }
}

/* Enhanced desktop experience */
@media (min-width: 1280px) {
  .is-container {
    max-width: 90rem;
  }

  .is-flow-container {
    max-width: 70rem;
  }

  .is-content-panel {
    padding: 4rem;
  }

  .is-content-title {
    font-size: 2.5rem;
  }

  .is-content-desc {
    font-size: 1.25rem;
  }
}

/* Print styles */
@media print {
  .is-visualizer-panel {
    display: none;
  }

  .is-tabs {
    display: none;
  }

  .is-content-panel {
    width: 100%;
  }
}