/* ==========================================================================
   SkillsGen - Primary Design System & Style Definitions
   Founded in 2026 by Shaaz Ali | Information Technology, Consulting, Education
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Dark Theme (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(23, 32, 54, 0.75);
  --bg-card-hover: rgba(30, 42, 71, 0.9);
  --bg-glass: rgba(19, 27, 46, 0.85);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --brand-primary: #6366f1; /* Indigo glow */
  --brand-primary-hover: #4f46e5;
  --brand-secondary: #06b6d4; /* Cyan accent */
  --brand-accent: #a855f7; /* Violet glow */
  --brand-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #a855f7 100%);
  --brand-gradient-alt: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);

  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-glow: rgba(99, 102, 241, 0.4);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.95);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --border-color: #cbd5e1;
  --border-color-glow: rgba(99, 102, 241, 0.5);
  
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

/* Comprehensive Light Mode Alignment Overrides */
[data-theme="light"] body {
  background-color: #f8fafc;
  color: #0f172a;
}

[data-theme="light"] .glass-card {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

[data-theme="light"] .glass-card:hover {
  background: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .founder-card {
  background: #ffffff !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .founder-quote {
  color: #0f172a !important;
}

[data-theme="light"] .founder-name {
  color: #0f172a !important;
}

[data-theme="light"] .founder-role {
  color: #0284c7 !important;
}

[data-theme="light"] .site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .nav-link {
  color: #334155;
}

[data-theme="light"] .nav-link:hover, 
[data-theme="light"] .nav-link.active {
  color: #0f172a;
}

[data-theme="light"] .btn-secondary {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .btn-secondary:hover {
  background: #f1f5f9;
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

[data-theme="light"] .form-control {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .form-control:focus {
  background: #ffffff;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .modal-container {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.2);
}

[data-theme="light"] .data-table th {
  background: #e2e8f0;
  color: #1e293b;
}

[data-theme="light"] .data-table td {
  border-bottom-color: #e2e8f0;
  color: #0f172a;
}

[data-theme="light"] .data-table tr:hover {
  background: #f1f5f9;
}

[data-theme="light"] .admin-sidebar {
  background: #ffffff;
  border-right-color: #e2e8f0;
}

[data-theme="light"] .admin-main {
  background: #f8fafc;
}

[data-theme="light"] .admin-nav-item a {
  color: #475569;
}

[data-theme="light"] .admin-nav-item a:hover,
[data-theme="light"] .admin-nav-item.active a {
  background: rgba(99, 102, 241, 0.1);
  color: #4f46e5;
}

[data-theme="light"] .badge-pending { background: #fef3c7; color: #b45309; border-color: #fde68a; }
[data-theme="light"] .badge-approved { background: #d1fae5; color: #047857; border-color: #a7f3d0; }
[data-theme="light"] .badge-rejected { background: #fee2e2; color: #b91c1c; border-color: #fca5a5; }
[data-theme="light"] .badge-new { background: #cff4fc; color: #0e7490; border-color: #a5f3fc; }

/* Base Reset & Styling */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

a:hover {
  color: var(--brand-secondary);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Gradient Text */
.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* Header & Navbar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 20px 0;
}

.site-header.scrolled {
  padding: 12px 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-right: 48px;
  flex-shrink: 0;
}

.brand-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after, .nav-link:hover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--brand-primary);
  transform: rotate(15deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  color: var(--brand-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.15;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

/* Stats Counter Bar */
.stats-counter-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-item {
  border-left: 2px solid var(--brand-primary);
  padding-left: 16px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  color: var(--brand-secondary);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Section Base */
.section-padding {
  padding: 100px 0;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Service Card */
.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.service-title {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.service-tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-feature-list {
  list-style: none;
  margin-top: 16px;
}

.service-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.service-feature-list li i {
  color: var(--brand-secondary);
}

/* Course Card */
.course-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--brand-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.course-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.course-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.course-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.course-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.topic-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* Founder Spotlight Card */
.founder-card {
  background: linear-gradient(135deg, rgba(23, 32, 54, 0.9) 0%, rgba(11, 15, 25, 0.95) 100%);
  border: 1px solid var(--border-color-glow);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-glow);
}

.founder-img-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border-color-glow);
  position: relative;
}

.founder-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-quote-mark {
  font-size: 3rem;
  color: var(--brand-primary);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.6;
}

.founder-quote {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.founder-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.founder-role {
  font-size: 0.9rem;
  color: var(--brand-secondary);
  font-weight: 600;
}

/* Interactive Skill Finder Widget */
.widget-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.widget-step {
  display: none;
}

.widget-step.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.widget-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.option-card {
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.option-card:hover, .option-card.selected {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--brand-primary);
}

.option-card h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.option-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Form Controls */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Alert Notification Box */
.alert-box {
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(10px);
  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-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color-glow);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 550px;
  position: relative;
  box-shadow: var(--shadow-glow);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 16px 0 24px;
  max-width: 340px;
}

.footer-founder-tag {
  font-size: 0.85rem;
  color: var(--brand-secondary);
  font-weight: 600;
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--brand-primary);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin: 0 auto 36px;
  }

  .hero-cta {
    justify-content: center;
  }

  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .founder-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .founder-img-wrapper {
    max-width: 260px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .stats-counter-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}