/* ===== PREMIUM DESIGN SYSTEM (Enterprise SaaS Aesthetic) ===== */
:root {
  /* Refined Color Palette */
  --bg-primary: #ffffff;
  --bg-secondary: #fbfcfe;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-primary: #2563eb;
  --accent-secondary: #3b82f6;
  --accent-soft: rgba(37, 99, 235, 0.05);
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  
  --success: #10b981;
  --error: #ef4444;
  
  /* Precision Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
}

.dark-theme, html.dark-theme {
  --bg-primary: #0b0f1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: #111827;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1f2937;
  --border-hover: #374151;
  --accent-primary: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

html, body {
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background-color: var(--bg-secondary);
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.011em;
}

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent-primary);
  z-index: 2000;
  transition: width 0.1s ease;
}

/* ===== HIGH-END FLOATING HEADER ===== */
.header {
  position: sticky;
  top: 1.5rem;
  z-index: 1000;
  margin: 0 auto;
  width: 100%;
  max-width: 1280px;
  padding: 0 1.5rem;
  pointer-events: none; /* Allow clicks through to content below if needed */
}

.header-content {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 1.25rem;
  border-radius: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1), 0 1px 1px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  pointer-events: auto;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-theme .header-content {
  background: rgba(17, 24, 39, 0.7);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
}

/* Original Clean Logo Section */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover {
  background: var(--accent-soft);
  transform: scale(1.05);
}

.logo-img {
  height: 28px;
  width: auto;
}

.logo-text {
  display: block !important;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Update all headings to use unique font */
h1, h2, h3, h4, .cta-card h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

@media (max-width: 480px) {
  .logo-text {
    display: none !important; /* Keep it clean on very small screens */
  }
}

/* Colorful Social Icons */
.footer-links a i {
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.footer-links a:hover i {
  transform: scale(1.2) translateY(-2px);
}

.fa-linkedin { color: #0077b5; }
.fa-github { color: #333; }
.dark-theme .fa-github { color: #f8fafc; }
.fa-facebook { color: #1877f2; }
.fa-instagram {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%);
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* Elegant Navigation */
.nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 100px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-soft);
  font-weight: 600;
}

.nav-link i {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

/* Colorful Nav Icons */
.fa-home { color: #3b82f6; }
.fa-info-circle { color: #6366f1; }
.fa-question-circle { color: #f59e0b; }
.fa-graduation-cap { color: #10b981; }
.fa-chalkboard-teacher { color: #8b5cf6; }

.nav-link:hover i {
  transform: scale(1.2);
}

.nav-link.active i {
  color: inherit; /* Inherit white when link is active */
}

/* Hide Mobile Nav by default */
.mobile-nav {
  display: none;
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle, .hamburger-menu {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50% !important;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
  position: relative;
}

.theme-toggle i {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle:active i {
  transform: rotate(360deg) scale(0);
}

/* Specific icon animations */
.fa-sun {
  color: #f59e0b;
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.fa-moon {
  color: #6366f1;
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

@keyframes iconEntrance {
  from {
    transform: rotate(-180deg) scale(0);
    opacity: 0;
  }
  to {
    transform: rotate(0) scale(1);
    opacity: 1;
  }
}

.theme-toggle i {
  animation: iconEntrance 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.hamburger-menu {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 100px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 1001;
}

@media (max-width: 1024px) {
  .hamburger-menu {
    display: flex !important;
  }
}

/* ===== SUBPAGE CONTENT TOGGLE ===== */
.about-page {
  display: none;
}

.back-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  border-radius: 100px;
  cursor: pointer;
  margin-bottom: 2.5rem;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.back-btn:hover {
  background: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: translateX(-4px);
}

.theme-toggle:hover, .hamburger-menu:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ===== MAIN CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 1.5rem 4rem;
}

/* ===== HERO SECTION ===== */
.hero-section {
  text-align: center;
  margin-bottom: 4rem;
}

.hero-section h1 {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-description {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* ===== FORM CARDS ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-section {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

.form-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.08);
  border-color: var(--accent-primary);
}

.form-section h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.form-section h3 i {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.875rem;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

/* Colorful Icon Badge Styles */
.fa-cog { 
  background: rgba(37, 99, 235, 0.1); 
  color: #2563eb; 
}
.fa-calendar-alt { 
  background: rgba(245, 158, 11, 0.1); 
  color: #d97706; 
}
.fa-user-graduate { 
  background: rgba(16, 185, 129, 0.1); 
  color: #059669; 
}
.fa-book { 
  background: rgba(139, 92, 246, 0.1); 
  color: #7c3aed; 
}
.fa-cloud-upload-alt { 
  background: rgba(6, 182, 212, 0.1); 
  color: #0891b2; 
}

.form-section:hover h3 i {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.dark-theme .fa-cog { background: rgba(96, 165, 250, 0.15); color: #60a5fa; }
.dark-theme .fa-calendar-alt { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.dark-theme .fa-user-graduate { background: rgba(52, 211, 153, 0.15); color: #34d399; }
.dark-theme .fa-book { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }
.dark-theme .fa-cloud-upload-alt { background: rgba(34, 211, 238, 0.15); color: #22d3ee; }

/* ===== CLEAN INPUTS ===== */
label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input, select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  margin-bottom: 1.25rem;
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: all 0.3s ease;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

input:hover, select:hover {
  background: var(--bg-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

input:focus, select:focus {
  outline: none;
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 4px 12px rgba(0,0,0,0.05);
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* ===== BUTTONS ===== */
.generate-btn {
  width: 100%;
  padding: 1.25rem 2rem;
  background: #0f172a;
  color: white !important;
  border: none;
  border-radius: var(--radius-xl);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.generate-btn i {
  font-size: 1.4rem;
  color: white !important;
  transition: transform 0.3s ease;
}

.generate-btn:hover {
  background: #1e293b;
  transform: translateY(-2px);
}

.dark-theme .generate-btn {
  background: #f8fafc;
  color: #0f172a !important;
}

.dark-theme .generate-btn i {
  color: #0f172a !important;
}

.dark-theme .generate-btn:hover {
  background: #ffffff;
}

.generate-btn:hover i {
  transform: scale(1.1);
}

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

.generate-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== FILE UPLOAD ===== */
.file-upload {
  position: relative;
  margin-bottom: 1rem;
}

.file-upload input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 10;
}

.file-upload-label {
  display: block;
  cursor: pointer;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background: var(--bg-secondary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 5;
}

.file-upload:hover .file-upload-label {
  border-color: var(--accent-primary);
  background: var(--accent-soft);
  transform: scale(1.01);
}

.file-upload-label div:first-child {
  font-family: 'Plus Jakarta Sans', sans-serif;
}
#previewSection {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: var(--radius-xl);
  margin-top: 4rem;
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

#previewSection h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: var(--accent-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

#preview {
  width: 100%;
  height: 700px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: white;
}

.download-controls {
  display: flex;
  gap: 1.5rem;
  margin-top: 2.5rem;
  align-items: center;
}

.input-with-icon {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.edit-icon {
  position: absolute;
  left: 1rem;
  color: #3b82f6;
  font-size: 0.85rem;
  pointer-events: none;
  z-index: 5;
}

#downloadName {
  padding-left: 2.5rem !important;
  width: 100%;
  margin-bottom: 0 !important;
  background-color: #eff6ff !important;
  border: 1px solid #bfdbfe !important;
  color: #1e40af !important;
  font-weight: 700 !important;
  border-radius: var(--radius-md) !important;
  font-size: 1rem !important;
}

.dark-theme .edit-icon {
  color: #60a5fa;
}

.dark-theme #downloadName {
  background-color: #1e293b !important;
  border-color: #334155 !important;
  color: #f8fafc !important;
}

#compressBtn, #downloadBtn, #blcBtn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: white !important;
}

#compressBtn { background: #f59e0b; }
#downloadBtn { background: var(--success); }
#blcBtn { background: var(--accent-primary); }

#downloadBtn:hover, #blcBtn:hover {
  transform: translateY(-3px);
  filter: brightness(1.05);
  box-shadow: 0 10px 20px -5px rgba(0,0,0,0.15);
}

#downloadBtn i, #blcBtn i {
  font-size: 1.1rem;
}

/* ===== AUTOCOMPLETE DROPDOWN ===== */
.autocomplete-list {
  position: absolute;
  top: calc(100% - 1rem);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.2);
  z-index: 2000;
  max-height: 250px;
  overflow-y: auto;
  display: none;
  animation: slideDown 0.2s ease-out;
}

.autocomplete-item {
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--bg-tertiary);
}

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

.autocomplete-item:hover {
  background: var(--accent-soft);
  color: var(--accent-primary);
  padding-left: 1.5rem;
}

.autocomplete-item strong {
  display: block;
  font-size: 0.9rem;
}

.autocomplete-item span {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Scrollbar for list */
.autocomplete-list::-webkit-scrollbar {
  width: 6px;
}

.autocomplete-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}
.image-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.image-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
  animation: cardEntrance 0.4s ease-out;
  cursor: grab;
}

.page-badge {
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: all 0.2s ease;
}

.image-item:hover .page-badge {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: scale(1.1);
}

.image-item:active {
  cursor: grabbing;
}

/* Smooth Dragging Styles */
.sortable-ghost {
  opacity: 0.4;
  background: var(--accent-soft) !important;
  border: 2px dashed var(--accent-primary) !important;
}

.sortable-drag {
  opacity: 0.9 !important;
  transform: scale(1.01) !important; /* No rotation, just a slight lift */
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.1) !important;
  background: var(--bg-primary) !important;
  z-index: 1000;
}

.drag-handle {
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: grab;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.image-item:hover .drag-handle {
  color: var(--accent-primary);
}

.image-item:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.image-item img, .image-item .pdf-icon {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 0.5rem;
  background: var(--bg-tertiary);
  flex-shrink: 0;
}

.image-item .pdf-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ef4444;
}

.image-item .file-info {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
  padding: 0;
}

.image-item .remove-btn {
  position: static;
  width: 2rem;
  height: 2rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  box-shadow: none;
}

.image-item .remove-btn:hover {
  background: #fee2e2;
  color: #ef4444;
  transform: scale(1.05);
}
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
  margin-top: 4rem;
}

@media (max-width: 768px) {
  .footer {
    padding: 1.5rem 0;
    margin-top: 1rem;
  }
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}

.footer-content p {
  margin-bottom: 0.25rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a i {
  font-size: 1.1rem;
  width: 1.25rem;
  display: flex;
  justify-content: center;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 1024px) {
  .header {
    top: 1rem;
  }
  
  .desktop-nav {
    display: none !important;
  }
  
  .hamburger-menu {
    display: flex !important;
  }
  
  .mobile-nav {
    position: fixed;
    top: 5rem;
    left: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 999;
  }
  
  .mobile-nav.active {
    display: flex !important;
    animation: slideDown 0.3s ease;
  }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary); /* Use theme text color */
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.back-to-top i {
  color: var(--text-primary);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ===== REDESIGNED ABOUT PAGE STYLES ===== */
.about-hero {
    text-align: center;
    max-width: 950px;
    margin: 2rem auto 5rem;
}

.about-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent-soft);
    color: var(--accent-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
    font-weight: 500;
    line-height: 1.6;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2.5rem;
    margin-bottom: 6rem;
}

.profile-card {
    background: var(--bg-card);
    border-radius: 2rem;
    padding: 3rem;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.vision-card {
    background: var(--accent-primary);
    color: white;
    border-radius: 2rem;
    padding: 3rem;
    box-shadow: 0 10px 40px -10px rgba(37, 99, 235, 0.2);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-theme .vision-card {
    background: #1e293b;
}

.profile-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.profile-info p {
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.tech-section {
    text-align: center;
    margin-bottom: 6rem;
}

.tech-header {
    margin-bottom: 4rem;
}

.tech-header h2 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.tech-header h2 span {
    color: var(--accent-primary);
}

.tech-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-item {
    background: var(--bg-card);
    padding: 3.5rem 2.5rem;
    border-radius: 2.5rem;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid var(--border-color);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 3rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.social-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.social-pills .pill {
    padding: 0.5rem 1rem;
    border-radius: 100px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.social-pills .website { 
    background: #10b981; 
    color: white; 
    border: 1px solid rgba(255,255,255,0.1); 
}

.fa-globe-americas {
    background: linear-gradient(135deg, #10b981, #34d399, #60a5fa);
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* Ensure the icon stays white when inside the emerald pill on About page */
.social-pills .pill.website i {
    background: none !important;
    -webkit-text-fill-color: white !important;
    color: white !important;
}
.social-pills .github { background: #1a1f23; color: white; }
.social-pills .linkedin { background: #0077b5; color: white; }
.social-pills .facebook { background: #1877f2; color: white; }
.social-pills .instagram { background: #ed505c; color: white; }
.social-pills .email { background: #e34133; color: white; }

.social-pills .pill i {
    color: white !important;
}

.social-pills .pill:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    opacity: 0.9;
}

/* ===== REDESIGNED SUBPAGE SHARED STYLES ===== */
.cta-button {
    padding: 1.25rem 2.5rem;
    border-radius: 100px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cta-button.primary {
    background: white;
    color: #2563eb;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.cta-button.primary i {
    transition: transform 0.3s ease;
}

.cta-button.primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.2);
    color: #1d4ed8;
}

.cta-button.primary:hover i {
    transform: translateX(5px) scale(1.2);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== REDESIGNED HOW IT WORKS STYLES ===== */
.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 6rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.step-card {
    background: var(--bg-card);
    border-radius: 2rem;
    padding: 3rem;
    display: flex;
    align-items: center;
    gap: 2.5rem;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid var(--border-color);
}

.step-card:hover {
    transform: translateX(10px);
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.08);
}

.step-badge {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--accent-primary);
    opacity: 0.5;
    letter-spacing: 0.1em;
}

.step-icon {
    width: 5rem;
    height: 5rem;
    background: var(--accent-soft);
    color: var(--accent-primary);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.step-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-grid-section {
    margin-bottom: 6rem;
}

.faq-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 2rem;
    text-align: left;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.faq-card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.06);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.faq-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.faq-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.cta-section-simple {
    text-align: center;
    margin-bottom: 6rem;
}

.cta-card {
    background: linear-gradient(135deg, #06b6d4 0%, #2563eb 100%);
    color: white;
    padding: 5rem 2rem;
    border-radius: 2.5rem;
    box-shadow: 0 30px 60px -15px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 2px 2px, rgba(255,255,255,0.05) 1px, transparent 0);
    background-size: 24px 24px;
    pointer-events: none;
}

.dark-theme .cta-card {
    background: linear-gradient(135deg, #0891b2 0%, #1d4ed8 100%);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.4);
}

.cta-card h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: white !important;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.cta-card p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 3.5rem;
    color: white !important;
    position: relative;
    z-index: 1;
}

/* ===== MOBILE OPTIMIZATIONS ===== */
@media (max-width: 1024px) {
  .header {
    top: 0.75rem;
    padding: 0 1rem;
    width: 100%;
    max-width: 100%;
  }

  .header-content {
    padding: 1rem 0.5rem 1rem 1rem !important;
    max-width: 450px;
    margin: 0 auto;
    border-radius: 1.25rem !important; /* Minimal Rounding */
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }

  .logo-text {
    display: block !important;
    font-size: 0.9rem !important;
    white-space: nowrap;
  }

  .logo {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .logo:hover {
    background: transparent;
    transform: none;
  }

  .header-controls {
    gap: 0.35rem;
  }

  .theme-toggle, .hamburger-menu {
    width: 2.25rem !important;
    height: 2.25rem !important;
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: none !important;
    font-size: 0.85rem !important;
  }

  .mobile-nav {
    position: fixed;
    top: 5.25rem; /* Increased from 5rem to move it down */
    left: 1.25rem;
    right: 1.25rem;
    max-width: 450px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 1rem;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.2);
    z-index: 10001 !important;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: auto !important;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .mobile-nav.active {
    display: flex !important;
    z-index: 10000 !important;
  }

  /* Professional Backdrop Blur - Content Only */
  .menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999; /* Below header and menu */
    display: none;
    animation: fadeIn 0.3s ease;
  }

  body.menu-open .menu-overlay {
    display: block;
  }

  body.menu-open {
    overflow: hidden;
  }

  .dark-theme .mobile-nav {
    background: rgba(17, 24, 39, 0.95);
    border-color: rgba(255, 255, 255, 0.05);
  }

  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 1.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
  }

  .mobile-nav-link i {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    font-size: 1rem;
  }

  .mobile-nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateX(5px);
  }

  .mobile-nav-link.active {
    background: var(--accent-soft);
    color: var(--accent-primary);
  }

  .mobile-nav-link.active i {
    background: var(--accent-primary);
    color: white !important;
  }

  .container {
    padding: 3.5rem 1rem 3rem !important;
  }

  /* Form Section Optimizations */
  .form-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .form-section {
    padding: 1.5rem;
    border-radius: 1.5rem;
  }

  /* PDF Preview Section Optimization */
  #previewSection {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 2rem !important;
    padding: 2rem 1.5rem !important;
    margin-top: 2rem !important;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.05) !important;
  }

  #mobilePreview {
    background: var(--bg-tertiary) !important;
    border: 2px dashed var(--border-color) !important;
    border-radius: 1.5rem !important;
    padding: 3rem 1.5rem !important;
    margin: 1.5rem 0 !important;
    color: var(--text-primary) !important;
  }

  #mobilePreview p {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
  }

  #openPdfBtn {
    background: var(--accent-primary) !important;
    width: 100% !important;
    padding: 1rem !important;
    border-radius: 1rem !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
    box-shadow: 0 8px 20px -5px rgba(37, 99, 235, 0.3) !important;
  }

  #fileSizeInfo {
    text-align: center !important;
    font-weight: 600 !important;
    color: var(--text-muted) !important;
  }

  .download-controls {
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
    margin-top: 2rem !important;
  }

  .input-with-icon input {
    padding-left: 2.75rem !important;
  }

  .download-controls input#downloadName {
    margin-bottom: 0 !important;
    width: 100% !important;
    background-color: #dbeafe !important; /* Clearly Visible Blue */
    border: 2px solid #3b82f6 !important; /* Stronger border */
    padding: 1.1rem !important;
    padding-left: 2.75rem !important; /* Extra padding for icon */
    border-radius: 1rem !important;
    font-weight: 700 !important;
    color: #1e40af !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05) !important;
  }

  .dark-theme .download-controls input#downloadName {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
  }

  .download-controls input#downloadName:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px var(--accent-soft) !important;
  }

  #downloadBtn {
    background: var(--success) !important;
    color: white !important;
    width: 100% !important;
    padding: 1.1rem !important;
    border-radius: 1rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.75rem !important;
    box-shadow: 0 8px 20px -5px rgba(16, 185, 129, 0.3) !important;
  }

  #compressBtn {
    background: #f59e0b !important;
    color: white !important;
    width: 100% !important;
    padding: 1.1rem !important;
    border-radius: 1rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.75rem !important;
    box-shadow: 0 8px 20px -5px rgba(245, 158, 11, 0.3) !important;
  }

  #blcBtn {
    background: var(--accent-primary) !important;
    color: white !important;
    width: 100% !important;
    padding: 1.1rem !important;
    border-radius: 1rem !important;
    font-weight: 700 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.75rem !important;
    box-shadow: 0 8px 20px -5px rgba(37, 99, 235, 0.3) !important;
  }

  /* Mobile Input & Select Refinement - STRICT TARGETING */
  .form-section input, 
  .form-section select {
    padding: 0.875rem 1rem !important;
    font-size: 1rem !important;
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    color: var(--text-primary) !important;
    height: auto !important;
    display: block !important;
    width: 100% !important;
    font-family: 'Plus Jakarta Sans', sans-serif !important;
  }
  
  /* Ensure File Input stays absolute and covers area on mobile */
  .file-upload input[type="file"] {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    opacity: 0 !important;
    z-index: 10 !important;
    display: block !important;
    cursor: pointer !important;
  }

  .form-section select#docType {
    appearance: none !important;
    -webkit-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 1.25rem !important;
    padding-right: 2.5rem !important;
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    font-family: 'Plus Jakarta Sans', sans-serif !important;
    z-index: 50 !important;
    position: relative !important;
  }

  /* File Row Optimization for Mobile */
  .image-list {
    gap: 0.5rem;
  }

  .image-item {
    padding: 0.6rem 0.75rem !important;
    gap: 0.75rem !important;
    flex-direction: row !important; /* Keep it horizontal */
    align-items: center !important;
    text-align: left !important;
  }

  .page-badge {
    width: 1.75rem !important;
    height: 1.75rem !important;
    font-size: 0.65rem !important;
  }

  .image-item img, .image-item .pdf-icon {
    width: 32px !important;
    height: 32px !important;
  }

  .image-item .file-info {
    font-size: 0.8rem !important;
  }

  .image-item .remove-btn {
    width: 1.75rem !important;
    height: 1.75rem !important;
  }

  h1 {
    font-size: 2.25rem !important;
    letter-spacing: -0.03em !important;
  }

  .profile-info h2 {
    font-size: 1.75rem !important;
  }

  /* PDF Preview Optimization for Mobile */
  #previewSection {
    padding: 2rem 1.25rem !important;
    margin-top: 2rem !important;
    border-radius: 1.5rem !important;
  }

  #mobilePreview {
    padding: 2.5rem 1rem !important;
    border-radius: 1.25rem !important;
  }

  /* Step Cards Optimization - Match FAQ Style */
  .process-timeline {
    gap: 1.5rem;
  }

  .step-card {
    flex-direction: column !important;
    text-align: center !important;
    padding: 2.5rem 1.5rem !important;
    gap: 1.5rem !important;
  }

  .step-icon {
    margin: 0 auto;
    width: 4rem !important;
    height: 4rem !important;
    font-size: 1.5rem !important;
  }

  .step-badge {
    top: 1rem !important;
    right: 0 !important;
    left: 0 !important;
    text-align: center;
  }

  /* CTA Optimization for Mobile */
  .cta-card {
    padding: 3rem 1.5rem !important;
    border-radius: 2rem !important;
  }

  .cta-card h2 {
    font-size: 1.75rem !important;
    margin-bottom: 1rem !important;
  }

  .cta-card p {
    font-size: 1rem !important;
    margin-bottom: 2rem !important;
  }

  /* Footer Social Media Icons - STRICT ICON ONLY ON MOBILE */
  .footer-links .pill {
    width: 2.75rem !important;
    height: 2.75rem !important;
    padding: 0 !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0 !important; /* Hide direct text nodes */
    color: transparent !important;
    overflow: hidden !important;
    border: none !important;
  }

  .footer-links .pill i {
    font-size: 1.2rem !important;
    margin: 0 !important;
    display: inline-block !important;
    visibility: visible !important;
  }

  /* Ensure colors persist */
  .footer-links .pill.linkedin i { color: #0077b5 !important; }
  .footer-links .pill.github i { color: #333 !important; }
  .dark-theme .footer-links .pill.github i { color: #fff !important; }
  .footer-links .pill.facebook i { color: #1877f2 !important; }
  .footer-links .pill.instagram i { color: #ed505c !important; }
}

@media (max-width: 480px) {
  .header-content {
    max-width: 100%;
  }
  
  .mobile-nav {
    max-width: 100%;
  }

  .logo-img {
    height: 24px;
  }
}

/* ===== AI ANALYZE PAGE STYLES ===== */
.ai-analyze-section {
  max-width: 900px;
  margin: 0 auto;
}

.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.prompt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10a37f, #2563eb, #d97706);
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.prompt-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0;
}

.prompt-content {
  background: var(--bg-tertiary);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
  position: relative;
  white-space: pre-wrap;
}

.copy-btn {
  background: var(--accent-primary);
  color: white !important;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-soft);
}


/* AI Service Grid - Small Icons Fix */
.ai-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 1.5rem !important;
  margin-top: 2rem !important;
}

.ai-btn {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 1.5rem 1rem !important;
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  text-decoration: none !important;
  text-align: center !important;
  gap: 0.5rem !important;
  min-height: 160px !important;
  transition: all 0.4s ease !important;
  overflow: hidden !important;
}

.ai-logo {
  height: 1.25rem !important; /* Premium small size */
  width: auto !important;
  object-fit: contain !important;
  margin-bottom: 0.25rem !important;
  transition: transform 0.3s ease !important;
}

.ai-btn:hover .ai-logo {
  transform: scale(1.1) !important;
}

.ai-btn span {
  font-weight: 800 !important;
  font-size: 0.85rem !important;
  text-transform: uppercase !important;
  display: block !important;
  color: var(--text-primary) !important;
}

.ai-btn p {
  font-size: 0.7rem !important;
  opacity: 0.7 !important;
  color: var(--text-secondary) !important;
  margin: 0 !important;
}

.ai-btn:hover {
  transform: translateY(-5px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--accent-primary) !important;
}

/* AI Themes */
.ai-btn.gemini:hover { border-color: #1a73e8 !important; background: rgba(26, 115, 232, 0.05) !important; }
.ai-btn.claude:hover { border-color: #d97706 !important; background: rgba(217, 119, 6, 0.05) !important; }
.ai-btn.chatgpt:hover { border-color: #10a37f !important; background: rgba(16, 163, 127, 0.05) !important; }
.ai-btn.deepseek:hover { border-color: #1ea0ff !important; background: rgba(30, 160, 255, 0.05) !important; }

/* Toast Notification Styles */
.toast {
  position: fixed !important;
  bottom: 2.5rem !important;
  left: 50% !important;
  transform: translateX(-50%) translateY(100px) !important;
  background: var(--text-primary) !important;
  color: var(--bg-primary) !important;
  padding: 0.8rem 1.6rem !important;
  border-radius: 100px !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  box-shadow: var(--shadow-xl) !important;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  z-index: 3000 !important;
  opacity: 0 !important;
}

.toast.show {
  transform: translateX(-50%) translateY(0) !important;
  opacity: 1 !important;
}

/* Media Queries for AI Section */
@media (max-width: 1024px) {
  .ai-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 600px) {
  .ai-grid {
    grid-template-columns: 1fr !important;
  }
  .ai-btn {
    min-height: auto !important;
    padding: 1.25rem !important;
  }
}

/* ===== CGPA CALCULATOR ENHANCEMENTS ===== */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 2.5rem;
}

.course-header {
  display: grid;
  grid-template-columns: 1fr 100px 120px 40px;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.course-row {
  display: grid;
  grid-template-columns: 1fr 100px 120px 40px;
  gap: 1rem;
  margin-bottom: 0.75rem;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.course-row:hover {
  background: var(--accent-soft);
  transform: translateX(4px);
}

.course-row input, .course-row select {
  margin-bottom: 0 !important;
  padding: 0.85rem !important;
  border: 1px solid var(--border-color) !important;
  background: var(--bg-card) !important;
  box-shadow: var(--shadow-sm);
}

.remove-btn {
  color: var(--error);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
}

.remove-btn:hover {
  transform: scale(1.2) rotate(90deg);
  opacity: 1;
  color: #ff4d4d;
}

.result-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.5rem !important;
  box-shadow: var(--shadow-lg);
}

/* CGPA Mobile Optimization */
@media (max-width: 1024px) {
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .result-sidebar {
    position: relative;
    top: 0;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
  }
}

@media (max-width: 640px) {
  .course-header {
    display: none;
  }

  .course-row {
    grid-template-columns: 1fr 1fr auto;
    gap: 0.75rem;
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-md);
    position: relative;
  }

  .course-row:hover {
    transform: none;
  }

  .course-row input[type="text"] {
    grid-column: 1 / -1;
    font-weight: 700;
    font-size: 1rem;
    background: var(--bg-tertiary) !important;
  }

  .course-row input[type="number"] {
    grid-column: 1;
  }

  .course-row select {
    grid-column: 2;
  }

  .course-row .remove-btn {
    grid-column: 3;
    padding: 0;
    opacity: 1;
  }
  
  .form-section {
    padding: 1.75rem !important;
  }
  
  .gradient-text {
    font-size: 2.25rem !important;
  }
}