/* ==========================================
   AI-Mastery - Web Agency Design
   Color Scheme: Deep Purple (#5b21b6) + Coral (#f472b6)
   ========================================== */

:root {
  --primary: #5b21b6;
  --primary-dark: #4c1d95;
  --accent: #f472b6;
  --accent-dark: #ec4899;
  --bg-white: #ffffff;
  --bg-light: #f9fafb;
  --bg-dark: #1f2937;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --border: #e5e7eb;
}

/* ==========================================
   RESET & BASE
   ========================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-white);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

/* ==========================================
   CONTAINER & LAYOUT
   ========================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

header {
  background: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
}

.logo img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
  position: relative;
  padding: 5px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  pointer-events: none;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 5px;
}

.mobile-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(91, 33, 182, 0.3);
}

.btn-accent {
  background: var(--accent);
  color: white;
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(244, 114, 182, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
}

.btn-featured {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 16px 40px;
  font-size: 18px;
  border-radius: 50px;
  box-shadow: 0 10px 30px rgba(91, 33, 182, 0.3);
}

.btn-featured:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 40px rgba(91, 33, 182, 0.4);
}

/* ==========================================
   HERO SECTION - Feature Highlight Layout
   ========================================== */

.hero {
  background: linear-gradient(135deg, #f9fafb 0%, #e0e7ff 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91, 33, 182, 0.1), transparent);
  border-radius: 50%;
  pointer-events: none;
}

.hero-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 30px;
}

.hero-feature-list {
  margin: 30px 0;
}

.hero-feature-list li {
  font-size: 18px;
  color: var(--text-gray);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-features-image {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-features-image img {
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  width: 100%;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 15px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================
   SERVICES/FEATURES - Grid Layout
   ========================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: white;
  padding: 40px 30px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  pointer-events: none;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 20px;
  transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 15px;
}

.service-card p {
  color: var(--text-gray);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* ==========================================
   ABOUT - Alternating Layout
   ========================================== */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: 16px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

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

.about-text h2 {
  font-size: 38px;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-gray);
  margin-bottom: 15px;
  font-size: 17px;
  line-height: 1.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat-card {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-gray);
}

/* ==========================================
   TEAM SECTION - Grid with Hover Flip
   ========================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.team-member {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  text-align: center;
}

.team-member:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.team-photo {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.team-member:hover .team-photo img {
  transform: scale(1.1);
}

.team-info {
  padding: 20px;
}

.team-info h4 {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 5px;
}

.team-info p {
  color: var(--text-gray);
  font-size: 15px;
}

/* ==========================================
   TESTIMONIALS - Carousel Style
   ========================================== */

.testimonials-section {
  background: var(--bg-light);
}

.testimonials-carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 80px;
}

.testimonial-card {
  background: white;
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  text-align: center;
  display: none;
}

.testimonial-card.active {
  display: block;
  animation: fadeInUp 0.6s ease-out forwards;
}

.testimonial-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 4px solid var(--accent);
}

.testimonial-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-text {
  font-size: 18px;
  font-style: italic;
  color: var(--text-gray);
  margin-bottom: 20px;
  line-height: 1.8;
}

.testimonial-author {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

.testimonial-role {
  font-size: 15px;
  color: var(--text-gray);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: var(--accent);
  transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
  left: 0;
}

.carousel-next {
  right: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--accent);
  width: 30px;
  border-radius: 6px;
}

/* ==========================================
   PORTFOLIO/PROJECTS - Masonry Grid
   ========================================== */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.portfolio-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  padding: 30px 20px 20px;
  color: white;
  pointer-events: none;
}

.portfolio-overlay h4 {
  font-size: 20px;
  margin-bottom: 5px;
}

.portfolio-overlay p {
  font-size: 14px;
  opacity: 0.9;
}

/* ==========================================
   PROCESS SECTION - Steps
   ========================================== */

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
  pointer-events: none;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 36px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 10px 30px rgba(91, 33, 182, 0.3);
  transition: all 0.3s ease;
}

.process-step:hover .step-number {
  transform: scale(1.1) rotate(5deg);
}

.process-step h4 {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 10px;
}

.process-step p {
  color: var(--text-gray);
  font-size: 15px;
}

/* ==========================================
   FAQ - Accordion (details/summary)
   ========================================== */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: white;
  margin-bottom: 15px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.accordion-item summary {
  padding: 20px 25px;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.accordion-item summary::-webkit-details-marker {
  display: none;
}

.accordion-item summary::after {
  content: '+';
  font-size: 28px;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.accordion-item[open] summary::after {
  transform: rotate(45deg);
}

.accordion-item summary:hover {
  background: var(--bg-light);
}

.accordion-item p {
  padding: 0 25px 20px;
  color: var(--text-gray);
  line-height: 1.8;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 33, 182, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 5px;
}

.contact-details p {
  color: var(--text-gray);
  font-size: 16px;
}

.contact-details a {
  color: var(--accent);
}

.contact-details a:hover {
  text-decoration: underline;
}

.map-container {
  margin-top: 40px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* ==========================================
   NEWSLETTER SECTION
   ========================================== */

.newsletter-section {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  text-align: center;
  padding: 60px 0;
}

.newsletter-section h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.newsletter-section p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.95;
}

.newsletter-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: 15px;
}

.newsletter-form input {
  flex: 1;
  padding: 16px 24px;
  border: none;
  border-radius: 50px;
  font-size: 16px;
}

.newsletter-form button {
  padding: 16px 40px;
  background: white;
  color: var(--primary);
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
}

.newsletter-form button:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* ==========================================
   BLOG
   ========================================== */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.blog-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.1);
}

.blog-content {
  padding: 30px;
}

.blog-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 14px;
  color: var(--text-gray);
}

.blog-content h3 {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-excerpt {
  color: var(--text-gray);
  margin-bottom: 20px;
  line-height: 1.7;
}

.article-header {
  text-align: center;
  padding: 60px 0 40px;
}

.article-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.2;
}

.article-featured-image {
  width: 100%;
  max-height: 500px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 40px;
}

.article-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 32px;
  color: var(--primary);
  margin: 40px 0 20px;
}

.article-body h3 {
  font-size: 24px;
  color: var(--primary);
  margin: 30px 0 15px;
}

.article-body p {
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 20px;
  font-size: 17px;
}

.article-body ul,
.article-body ol {
  margin: 20px 0;
  padding-left: 30px;
  color: var(--text-gray);
  line-height: 1.9;
}

.article-body li {
  margin-bottom: 10px;
  list-style: disc;
}

/* ==========================================
   FOOTER
   ========================================== */

footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 30px;
}

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

.footer-about h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: white;
}

.footer-about p {
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 18px;
  margin-bottom: 20px;
  color: white;
}

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

.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  animation: fadeInUp 0.6s ease-out forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    padding: 40px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-features-grid,
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services-grid,
  .portfolio-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .process-steps::before {
    display: none;
  }

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

  .hero-title {
    font-size: 38px;
  }

  .section-title {
    font-size: 32px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .testimonials-carousel {
    padding: 40px 60px;
  }
}

@media (max-width: 640px) {
  .services-grid,
  .portfolio-grid,
  .blog-grid,
  .team-grid,
  .process-steps,
  .stats-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .testimonials-carousel {
    padding: 20px 50px;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.text-center { text-align: center; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }