/* ============================================
   BRAINBOTINDIA — MAIN STYLES
   Version: 1.0
   ============================================ */

/* ============================================
   1. ROOT VARIABLES
   ============================================ */
:root {
  /* Colors */
  --bg-deep: #06080f;
  --bg-surface: #0c111e;
  --bg-elevated: #131a2b;
  --bg-card: #1a2338;
  --text-primary: #e8edf5;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: #818cf8;
  --accent-hover: #7c7ff5;
  --accent-soft: rgba(99, 102, 241, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-active: rgba(99, 102, 241, 0.3);
  --card-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.5);
  --gradient-main: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --gradient-text: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
  
  /* Spacing */
  --transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', monospace;
}

/* ============================================
   2. RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-primary);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* Selection */
::selection {
  background: var(--accent-primary);
  color: white;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Gradient Text Helper */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================
   4. CONTAINER & LAYOUT
   ============================================ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   5. SECTION STYLES
   ============================================ */
.section {
  padding: 90px 0;
}

.section-dark {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-primary);
  margin-bottom: 12px;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 640px;
  font-size: 1.1rem;
  margin-top: 16px;
}

/* ============================================
   6. BUTTONS
   ============================================ */
.btn,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 34px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline {
  border: 1.5px solid var(--accent-primary);
  color: var(--accent-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ============================================
   7. NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1100;
  backdrop-filter: blur(16px);
  background: rgba(6, 8, 15, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.logo i {
  margin-right: 8px;
  color: var(--accent-primary);
  background: transparent;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--gradient-main);
  transition: 0.3s;
  border-radius: 10px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--accent-primary);
}

.nav-links a.active::after {
  width: 100%;
}

.nav-cta-btn {
  background: var(--gradient-main);
  color: white !important;
  padding: 8px 22px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.9rem !important;
  transition: var(--transition);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

.nav-cta-btn::after {
  display: none !important;
}

.nav-cta-btn:hover::after {
  display: none !important;
}

.theme-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 40px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.theme-btn:hover {
  border-color: var(--accent-primary);
}

.menu-toggle {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-primary);
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: 0.25s;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

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

/* ============================================
   8. HERO SECTION
   ============================================ */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  position: relative;
  z-index: 3;
}

/* Animated Background Glows */
.hero-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero-bg-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1), transparent 70%);
  bottom: -100px;
  left: -100px;
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.1);
  }
}

.hero-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-primary);
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  border: 1px solid var(--border-active);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.hero-stats .stat-item {
  text-align: left;
}

.hero-stats .stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.hero-stats .stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================
   9. PAGE HERO (Inner Pages)
   ============================================ */
.page-hero {
  padding: 140px 0 60px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-top: 12px;
}

/* ============================================
   10. SERVICES
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--card-shadow);
}

.service-card .icon {
  font-size: 2.4rem;
  color: var(--accent-primary);
  margin-bottom: 18px;
  display: block;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tech-tags span {
  background: var(--bg-deep);
  padding: 4px 14px;
  border-radius: 40px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* ============================================
   11. TECH STACK
   ============================================ */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.tech-stack .tech-badge {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 10px 24px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tech-stack .tech-badge:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.tech-stack .tech-badge i {
  margin-right: 8px;
  color: var(--accent-primary);
}

/* ============================================
   12. PORTFOLIO
   ============================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 48px;
}

.portfolio-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--card-shadow);
}

.portfolio-item .preview {
  height: 200px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.portfolio-item .preview .overlay {
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .preview .overlay {
  opacity: 1;
}

.portfolio-item .preview .overlay span {
  color: white;
  font-weight: 600;
  background: var(--accent-primary);
  padding: 8px 24px;
  border-radius: 40px;
  transition: var(--transition);
}

.portfolio-item .preview .overlay span:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.portfolio-item .info {
  padding: 24px;
}

.portfolio-item .info h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.portfolio-item .info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Portfolio Detail Page */
.portfolio-grid-full {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.portfolio-item-full {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  opacity: 1;
  transform: scale(1);
}

.portfolio-item-full:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--card-shadow);
}

.portfolio-item-full .preview-full {
  height: 220px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.portfolio-item-full .preview-full .overlay-full {
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.15);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item-full:hover .preview-full .overlay-full {
  opacity: 1;
}

.portfolio-item-full .preview-full .overlay-full span {
  color: white;
  font-weight: 600;
  background: var(--accent-primary);
  padding: 8px 24px;
  border-radius: 40px;
  transition: var(--transition);
}

.portfolio-item-full .preview-full .overlay-full span:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.portfolio-item-full .info-full {
  padding: 24px;
}

.portfolio-item-full .info-full h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.portfolio-item-full .info-full p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 28px;
  border-radius: 40px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.filter-btn.active {
  background: var(--gradient-main);
  color: white;
  border-color: transparent;
}

/* ============================================
   13. TESTIMONIALS
   ============================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border-subtle);
}

.testimonial-card .stars {
  color: #f59e0b;
  margin-bottom: 12px;
}

.testimonial-card blockquote {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.testimonial-card .author {
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-card .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   14. CTA BOX
   ============================================ */
.cta-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 60px 48px;
  border: 1px solid var(--border-subtle);
  text-align: center;
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 30px;
}

/* ============================================
   15. CONTACT PAGE
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.contact-detail {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.contact-detail i {
  font-size: 1.4rem;
  color: var(--accent-primary);
  margin-top: 4px;
  width: 30px;
}

.contact-detail h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-detail a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-detail a:hover {
  color: var(--accent-primary);
}

.contact-social {
  display: flex;
  gap: 18px;
  margin-top: 32px;
}

.contact-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.contact-social a:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
}

.contact-form-full .form-group {
  margin-bottom: 20px;
}

.contact-form-full label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.contact-form-full input,
.contact-form-full textarea,
.contact-form-full select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-primary);
  transition: var(--transition);
  font-size: 0.95rem;
}

.contact-form-full input:focus,
.contact-form-full textarea:focus,
.contact-form-full select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

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

.contact-form-full .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ============================================
   16. ABOUT PAGE
   ============================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.value-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
}

.value-icon {
  font-size: 2.4rem;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 48px;
}

.team-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
}

.team-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
}

.team-card h4 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.team-social {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.team-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.team-social a:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* ============================================
   17. SERVICES DETAIL PAGE
   ============================================ */
.services-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.service-detail-card {
  display: flex;
  gap: 30px;
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.service-detail-card:hover {
  border-color: var(--border-active);
}

.service-detail-icon {
  font-size: 2.4rem;
  color: var(--accent-primary);
  min-width: 60px;
}

.service-detail-card h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

/* Tech Stack Grid */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.tech-stack-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.tech-stack-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
}

.tech-stack-item i {
  font-size: 2.4rem;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 8px;
}

.tech-stack-item span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ============================================
   18. FAQ
   ============================================ */
.faq-grid {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-active);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-question i {
  transition: var(--transition);
  color: var(--text-muted);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 24px 20px;
}

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

/* ============================================
   19. BLOG
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.blog-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: var(--card-shadow);
}

.blog-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
}

.blog-content {
  padding: 24px;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.blog-content h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-primary);
  font-weight: 600;
  transition: var(--transition);
}

.read-more:hover {
  gap: 14px;
}

/* ============================================
   20. FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0 24px;
  margin-top: 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h5 {
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-primary);
  transform: translateX(4px);
}

.footer-social {
  display: flex;
  gap: 18px;
  margin-top: 12px;
}

.footer-social a {
  color: var(--text-secondary);
  font-size: 1.3rem;
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   21. UTILITY CLASSES
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.6s ease;
}

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

.fade-up {
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}