/*
 * KB Converter - Core CSS Design System
 * Modern, responsive, premium SaaS styling.
 * Colors: Professional Blue (#2563eb), Accent Slate (#0f172a), White (#ffffff)
 * Typography: Montserrat (Headings) & Poppins (Body)
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Colors */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.12);
  --accent: #0f172a;
  --accent-hover: #1e293b;
  --secondary: #ffffff;
  
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  
  --text-dark: #0f172a;
  --text-light: #ffffff;
  --text-muted: #64748b;
  
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  
  /* Layout */
  --max-width: 1280px;
  --header-height: 80px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* Resets & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--accent);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  outline: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

/* Header & Glass Navigation */
.header-wrapper {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header-scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.9);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 24px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 500;
  font-size: 15px;
  padding: 8px 0;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.nav-link i {
  font-size: 12px;
  transition: var(--transition);
}

.nav-item:hover .nav-link i {
  transform: rotate(180deg);
}

/* Mega Dropdown Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  width: 1000px;
  max-width: calc(100vw - 48px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1100;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-column h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--primary-glow);
  padding-bottom: 6px;
}

.mega-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mega-list li a {
  font-size: 13.5px;
  color: var(--text-dark);
  display: block;
  padding: 4px 0;
  border-radius: var(--radius-sm);
}

.mega-list li a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

/* CTA buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--secondary);
  border-color: var(--border-color);
  color: var(--text-dark);
}

.btn-secondary:hover {
  background-color: var(--bg-light);
  border-color: var(--text-muted);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--text-light);
}

/* Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 64px;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

/* Premium 3D Hero Animation */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 400px;
  perspective: 1000px;
}

.visual-container {
  position: relative;
  width: 320px;
  height: 320px;
  transform-style: preserve-3d;
  animation: float 6s ease-in-out infinite;
}

.visual-glow {
  position: absolute;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, rgba(37,99,235,0) 70%);
  border-radius: 50%;
  filter: blur(10px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.visual-object-cube {
  position: absolute;
  width: 140px;
  height: 140px;
  top: 50%;
  left: 50%;
  margin-top: -70px;
  margin-left: -70px;
  transform-style: preserve-3d;
  animation: rotateCube 12s linear infinite;
  z-index: 2;
}

.cube-face {
  position: absolute;
  width: 140px;
  height: 140px;
  background: rgba(37, 99, 235, 0.1);
  border: 2px solid var(--primary);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3), inset 0 0 15px rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--primary);
  font-size: 24px;
}

.face-front  { transform: rotateY(0deg) translateZ(70px); }
.face-back   { transform: rotateY(180deg) translateZ(70px); }
.face-left   { transform: rotateY(-90deg) translateZ(70px); }
.face-right  { transform: rotateY(90deg) translateZ(70px); }
.face-top    { transform: rotateX(90deg) translateZ(70px); }
.face-bottom { transform: rotateX(-90deg) translateZ(70px); }

.floating-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  z-index: 3;
  transition: var(--transition);
}

.floating-pdf {
  top: 15%;
  left: -5%;
  animation: hoverFloat 4s ease-in-out infinite alternate;
  color: #ef4444;
}

.floating-image {
  bottom: 15%;
  right: -5%;
  animation: hoverFloat 5s ease-in-out infinite alternate-reverse;
  color: #10b981;
}

.floating-zip {
  top: 70%;
  left: 0%;
  animation: hoverFloat 4.5s ease-in-out infinite alternate 0.5s;
  color: #f59e0b;
}

.floating-svg {
  top: 10%;
  right: 5%;
  animation: hoverFloat 3.8s ease-in-out infinite alternate 0.2s;
  color: var(--primary);
}

.floating-element svg {
  width: 20px;
  height: 20px;
}

/* Showcase Section */
.showcase-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.showcase-header h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.showcase-header p {
  color: var(--text-muted);
}

/* Search bar on Homepage */
.search-wrapper {
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 16px 24px 16px 56px;
  border-radius: 50px;
  border: 2px solid var(--border-color);
  background-color: var(--secondary);
  font-size: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(37,99,235,0.15);
}

.search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
}

/* Tool Tab Filters */
.tool-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 10px 20px;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
  background-color: var(--primary);
  color: var(--text-light);
  border-color: var(--primary);
}

/* Tool Cards Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  transform: scaleY(0);
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-glow);
}

.tool-card:hover::before {
  transform: scaleY(1);
}

.tool-card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-glow);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.tool-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
}

.tool-card-description {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.tool-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tool-card-category {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-light);
  padding: 4px 10px;
  border-radius: 4px;
}

.tool-card-action {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Feature Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  padding: 40px 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-glow);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background-color: var(--primary-glow);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 15px;
}

/* Working Tool Interface Components */
.tool-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.upload-area {
  border: 2px dashed var(--primary);
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.upload-area:hover, .upload-area.dragover {
  background-color: rgba(37, 99, 235, 0.04);
  border-color: var(--primary-hover);
}

.upload-icon {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 16px;
  animation: bounceSlow 3s infinite;
}

.upload-area h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.upload-area p {
  font-size: 14px;
  color: var(--text-muted);
}

.file-input {
  display: none;
}

.tool-settings {
  padding: 32px;
  border-top: 1px solid var(--border-color);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-group label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  font-size: 14px;
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--bg-card);
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.preview-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  background-color: var(--bg-light);
}

.preview-box h4 {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.preview-img-wrapper {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ebebeb;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

.preview-img-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-info {
  font-size: 13.5px;
  font-weight: 500;
}

/* Quality slider container */
.slider-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.slider-container input[type=range] {
  flex-grow: 1;
  height: 6px;
  background: var(--border-color);
  border-radius: 5px;
  appearance: none;
  outline: none;
}

.slider-container input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.slider-container input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-val {
  font-weight: 600;
  font-size: 14px;
  min-width: 40px;
}

/* Progress indicator */
.progress-bar-container {
  width: 100%;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  margin-bottom: 24px;
  overflow: hidden;
  display: none;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary) 0%, #06b6d4 100%);
  transition: width 0.1s linear;
}

/* PDF layout helpers */
.pdf-pages-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 5px;
}

.pdf-page-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.pdf-page-item button {
  background: transparent;
  border: none;
  color: var(--error);
  cursor: pointer;
}

/* Popup Tool Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  width: 90%;
  max-width: 950px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
  border: 1px solid var(--border-color);
  transform: translateY(30px);
  transition: var(--transition);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 10;
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--bg-light);
  color: var(--accent);
}

.modal-body {
  padding: 32px;
}

.modal-seo-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.modal-seo-section h3 {
  margin: 24px 0 12px;
  font-size: 18px;
}

.modal-seo-section p, .modal-seo-section ul, .modal-seo-section ol {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-bottom: 16px;
}

.modal-seo-section ul, .modal-seo-section ol {
  padding-left: 20px;
}

.modal-seo-section li {
  margin-bottom: 6px;
}

/* Tool standalone layout styling */
.tool-page-wrapper {
  padding: 60px 0;
}

.tool-page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.seo-rich-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  margin-top: 48px;
}

.seo-rich-content h2 {
  font-size: 28px;
  margin: 32px 0 16px;
  border-bottom: 2px solid var(--primary-glow);
  padding-bottom: 8px;
}

.seo-rich-content h2:first-of-type {
  margin-top: 0;
}

.seo-rich-content h3 {
  font-size: 20px;
  margin: 24px 0 12px;
}

.seo-rich-content p {
  font-size: 15.5px;
  color: #334155;
  margin-bottom: 20px;
  line-height: 1.7;
}

.seo-rich-content ul, .seo-rich-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
  color: #334155;
}

.seo-rich-content li {
  margin-bottom: 8px;
  font-size: 15.5px;
}

/* FAQ list styling */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-light);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 24px 20px;
  color: #334155;
  font-size: 15px;
  display: none;
}

.faq-item.active {
  background: var(--bg-card);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-question i {
  font-size: 14px;
  transition: var(--transition);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Legal/Informational pages styling */
.legal-wrapper {
  padding: 60px 0;
}

.legal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.legal-content h1 {
  font-size: 36px;
  margin-bottom: 24px;
  border-bottom: 3px solid var(--primary-glow);
  padding-bottom: 12px;
}

.legal-content h2 {
  font-size: 24px;
  margin: 32px 0 16px;
}

.legal-content p {
  color: #334155;
  margin-bottom: 20px;
  font-size: 15.5px;
}

.legal-content ul, .legal-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
  color: #334155;
}

.legal-content li {
  margin-bottom: 8px;
  font-size: 15.5px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  margin-top: 32px;
}

.contact-info {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: var(--radius-md);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-info-text p {
  margin: 0;
  font-size: 14.5px;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Footer styling */
.footer {
  background-color: var(--accent);
  color: var(--text-light);
  padding: 80px 0 40px;
  border-top: 1px solid var(--accent-hover);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-column h3 {
  color: var(--text-light);
  font-size: 16px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary);
}

.footer-desc {
  color: #94a3b8;
  font-size: 14.5px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #94a3b8;
  transition: var(--transition);
}

/* Brand social colors on hover */
.social-link.fb:hover {
  background-color: #1877f2;
  color: var(--text-light);
  transform: scale(1.15);
}

.social-link.tw:hover {
  background-color: #1da1f2;
  color: var(--text-light);
  transform: scale(1.15);
}

.social-link.ig:hover {
  background-color: #e1306c;
  color: var(--text-light);
  transform: scale(1.15);
}

.social-link.in:hover {
  background-color: #0077b5;
  color: var(--text-light);
  transform: scale(1.15);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li a {
  color: #94a3b8;
  font-size: 14px;
  display: block;
}

.footer-links li a:hover {
  color: var(--secondary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--accent-light);
  padding-top: 40px;
  text-align: center;
}

.footer-bottom p {
  color: #94a3b8;
  font-size: 13.5px;
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px) rotateY(0deg); }
  50% { transform: translateY(-15px) rotateY(5deg); }
  100% { transform: translateY(0px) rotateY(0deg); }
}

@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

@keyframes hoverFloat {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(37,99,235,0.4); }
  70% { transform: scale(1.1); opacity: 0.8; box-shadow: 0 0 0 10px rgba(37,99,235,0); }
  100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(37,99,235,0); }
}

@keyframes bounceSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .mega-menu {
    width: 800px;
    padding: 24px;
    gap: 16px;
  }
  .hero-content h1 {
    font-size: 40px;
  }
}

@media (max-width: 768px) {
  .navbar {
    position: relative;
    height: 100%;
  }
  
  .hamburger {
    display: flex;
    z-index: 1001;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 24px;
    gap: 20px;
    overflow-y: auto;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    justify-content: space-between;
    font-size: 18px;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
  }
  
  .mega-menu {
    position: static;
    transform: none;
    width: 100%;
    max-width: 100%;
    box-shadow: none;
    border: none;
    padding: 12px 0 0 16px;
    grid-template-columns: 1fr;
    gap: 20px;
    display: none;
    opacity: 1;
    visibility: visible;
  }
  
  .nav-item.active .mega-menu {
    display: block;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-visual {
    height: 320px;
  }
  
  .visual-container {
    width: 240px;
    height: 240px;
  }
  
  .visual-object-cube {
    width: 100px;
    height: 100px;
    margin-top: -50px;
    margin-left: -50px;
  }
  
  .cube-face {
    width: 100px;
    height: 100px;
    font-size: 16px;
  }
  
  .face-front  { transform: rotateY(0deg) translateZ(50px); }
  .face-back   { transform: rotateY(180deg) translateZ(50px); }
  .face-left   { transform: rotateY(-90deg) translateZ(50px); }
  .face-right  { transform: rotateY(90deg) translateZ(50px); }
  .face-top    { transform: rotateX(90deg) translateZ(50px); }
  .face-bottom { transform: rotateX(-90deg) translateZ(50px); }
  
  .floating-element {
    padding: 6px 12px;
    font-size: 11px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .preview-grid {
    grid-template-columns: 1fr;
  }
}