/* =============================================
   Un Monde International Ltd. - Corporate Website
   Style: Modern, clean, education-focused
   Fully responsive: mobile / tablet / desktop
   ============================================= */

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

:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --primary-dark: #0f2440;
  --accent: #c8a951;
  --accent-light: #e0c87a;
  --accent-dark: #a88a30;
  --text: #1a1a2e;
  --text-light: #555;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-card: #ffffff;
  --border: #e0e4e8;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); line-height: 1.7; background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* --- Responsive container --- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer;
  transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-light); color: var(--primary-dark); }

@media (max-width: 480px) {
  .btn { padding: 10px 20px; font-size: 0.9rem; width: 100%; justify-content: center; }
  .hero-actions .btn { width: 100%; }
}

/* --- Header --- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.header-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-logo img { height: 40px; width: auto; }
.header-logo span { font-size: 1rem; font-weight: 700; color: var(--primary); }

@media (max-width: 480px) {
  .header-logo img { height: 34px; }
  .header-logo span { font-size: 0.85rem; }
}

.header-nav { display: flex; align-items: center; gap: 4px; }
.header-nav a {
  padding: 8px 14px; font-size: 0.9rem; font-weight: 500;
  color: var(--text); border-radius: 6px;
  transition: var(--transition); text-decoration: none;
}
.header-nav a:hover, .header-nav a.active { color: var(--primary); background: rgba(26,58,92,0.06); }
.header-nav a.active { font-weight: 600; }

/* --- Language Switcher --- */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  margin-left: 8px; padding: 4px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 0.82rem; font-weight: 600;
  color: var(--primary); background: transparent;
  transition: var(--transition); text-decoration: none; cursor: pointer; flex-shrink: 0;
}
.lang-switch:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.lang-switch .active-lang { color: var(--accent); }
.lang-switch:hover .active-lang { color: var(--accent-light); }

/* --- Header: Responsive (< 900px) --- */
@media (max-width: 900px) {
  .header { --header-h: 64px; }
  .menu-toggle { display: block; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 8px; line-height: 1; }
  .header-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column; padding: 12px 16px;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%); opacity: 0;
    transition: var(--transition); pointer-events: none;
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .header-nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .header-nav a { width: 100%; padding: 10px 16px; font-size: 0.95rem; }
  .lang-switch { margin-left: 0; margin-top: 6px; width: 100%; justify-content: center; }
  .header-logo span { font-size: 0.9rem; }
}

/* --- Hero Section --- */
.hero {
  padding-top: var(--header-h);
  min-height: 85vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(200,169,81,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(200,169,81,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero .container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  padding-top: 40px; padding-bottom: 40px;
}
.hero-content h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-content h1 .highlight { color: var(--accent); }
.hero-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; max-width: 540px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-visual .hero-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 40px; width: 100%; max-width: 440px;
}
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.hero-stat { text-align: center; }
.hero-stat .number { font-size: 2.2rem; font-weight: 800; color: var(--accent); display: block; }
.hero-stat .label { font-size: 0.85rem; opacity: 0.8; margin-top: 4px; }

/* Hero: tablet */
@media (max-width: 900px) {
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 30px); padding-bottom: 50px; }
  .hero .container { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .hero-content h1 { font-size: 2rem; }
  .hero-content p { margin: 0 auto 28px; max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-visual .hero-card { max-width: 100%; }
  .hero-stat .number { font-size: 1.8rem; }
}

/* Hero: phone */
@media (max-width: 480px) {
  .hero { padding-top: calc(var(--header-h) + 20px); padding-bottom: 40px; }
  .hero-content h1 { font-size: 1.6rem; }
  .hero-content p { font-size: 0.95rem; margin-bottom: 24px; }
  .hero-stats { gap: 12px; }
  .hero-visual .hero-card { padding: 24px 16px; }
  .hero-stat .number { font-size: 1.5rem; }
  .hero-stat .label { font-size: 0.78rem; }
  .hero-actions { gap: 10px; }
}

/* --- Section Common --- */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; color: var(--text-light); max-width: 640px; margin: 0 auto; }
.section-header .subtitle {
  display: inline-block; font-size: 0.85rem; font-weight: 600;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 8px;
}

@media (max-width: 768px) {
  .section { padding: 50px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 1.5rem; }
  .section-header p { font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .section { padding: 36px 0; }
  .section-header h2 { font-size: 1.3rem; }
}

/* --- Profile Section --- */
.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.profile-text p { font-size: 1.05rem; color: var(--text-light); margin-bottom: 16px; line-height: 1.8; }
.profile-text .lead { font-size: 1.2rem; font-weight: 500; color: var(--text); }
.profile-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.profile-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  text-align: center; transition: var(--transition);
}
.profile-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.profile-card .icon { font-size: 2rem; margin-bottom: 8px; }
.profile-card h4 { font-size: 0.95rem; color: var(--primary); margin-bottom: 4px; }
.profile-card p { font-size: 0.85rem; color: var(--text-light); }

@media (max-width: 768px) {
  .profile-grid { grid-template-columns: 1fr; gap: 36px; }
  .profile-text .lead { font-size: 1.1rem; }
  .profile-text p { font-size: 0.95rem; }
  .profile-cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .profile-card { padding: 16px; }
  .profile-card .icon { font-size: 1.5rem; }
}
@media (max-width: 480px) {
  .profile-cards { grid-template-columns: 1fr 1fr; gap: 8px; }
  .profile-card { padding: 14px 10px; }
  .profile-card h4 { font-size: 0.85rem; }
  .profile-card p { font-size: 0.78rem; }
}

/* --- Timeline --- */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 24px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 64px; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: 16px; top: 4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--accent);
}
.timeline-year { font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.timeline-title { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
.timeline-text { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }

@media (max-width: 480px) {
  .timeline-item { padding-left: 48px; padding-bottom: 28px; }
  .timeline::before { left: 16px; }
  .timeline-item::before { left: 8px; width: 16px; height: 16px; }
  .timeline-year { font-size: 1rem; }
  .timeline-title { font-size: 0.95rem; }
  .timeline-text { font-size: 0.85rem; }
}

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card .icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: rgba(26,58,92,0.06);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 16px; color: var(--primary);
}
.card h3 { font-size: 1.15rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.card p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

@media (max-width: 768px) {
  .cards-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .card { padding: 24px; }
  .card h3 { font-size: 1.05rem; }
  .card p { font-size: 0.88rem; }
}
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; gap: 14px; }
  .card { padding: 20px; }
  .card .icon { width: 44px; height: 44px; font-size: 1.2rem; margin-bottom: 12px; }
}

/* --- FAQ Accordion --- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-question {
  width: 100%; padding: 18px 24px; background: none; border: none;
  font-size: 1rem; font-weight: 500; color: var(--text);
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; text-align: left; transition: var(--transition);
}
.faq-question:hover { background: rgba(26,58,92,0.03); }
.faq-question::after { content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--accent); transition: var(--transition); flex-shrink: 0; margin-left: 12px; }
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: var(--transition); }
.faq-item.active .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 24px 18px; font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

@media (max-width: 480px) {
  .faq-question { padding: 14px 16px; font-size: 0.92rem; }
  .faq-answer p { padding: 0 16px 14px; font-size: 0.85rem; }
}

/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 0.9rem; margin-top: 12px; line-height: 1.7; opacity: 0.7; }
.footer-brand img { height: 36px; width: auto; filter: brightness(0) invert(1); }
.footer h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { font-size: 0.9rem; opacity: 0.6; margin-bottom: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; font-size: 0.85rem; opacity: 0.5;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--primary-dark); }

@media (max-width: 768px) {
  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer { padding: 32px 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* --- Page Banner --- */
.page-banner {
  padding-top: calc(var(--header-h) + 50px);
  padding-bottom: 50px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff; text-align: center;
}
.page-banner h1 { font-size: 2.4rem; font-weight: 700; margin-bottom: 8px; }
.page-banner p { font-size: 1.05rem; opacity: 0.8; max-width: 560px; margin: 0 auto; }

@media (max-width: 768px) {
  .page-banner { padding-top: calc(var(--header-h) + 30px); padding-bottom: 36px; }
  .page-banner h1 { font-size: 1.7rem; }
  .page-banner p { font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .page-banner { padding-top: calc(var(--header-h) + 20px); padding-bottom: 28px; }
  .page-banner h1 { font-size: 1.4rem; }
  .page-banner p { font-size: 0.88rem; }
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.team-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 700; margin: 0 auto 16px;
}
.team-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary); }
.team-card .role { font-size: 0.85rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.team-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

@media (max-width: 480px) {
  .team-grid { grid-template-columns: 1fr; gap: 16px; }
  .team-card { padding: 24px; }
}

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h3 { font-size: 1.3rem; color: var(--primary); margin-bottom: 16px; }
.contact-info p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; margin-bottom: 24px; }
.contact-detail { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.contact-detail .icon { font-size: 1.2rem; color: var(--accent); width: 24px; flex-shrink: 0; }
.contact-detail strong { display: block; font-size: 0.9rem; color: var(--text); }
.contact-detail span { font-size: 0.88rem; color: var(--text-light); }
.contact-form .form-group { margin-bottom: 20px; }
.contact-form label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 0.95rem; font-family: var(--font);
  transition: var(--transition); background: var(--bg); color: var(--text);
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
}
.contact-form textarea { min-height: 140px; resize: vertical; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-info h3 { font-size: 1.1rem; }
}
@media (max-width: 480px) {
  .contact-form input, .contact-form textarea, .contact-form select { padding: 10px 14px; font-size: 0.9rem; }
}

/* --- News Grid --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.news-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.news-card-body { padding: 24px; }
.news-card .tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.news-card .date { font-size: 0.82rem; color: var(--text-light); margin-bottom: 8px; }
.news-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.news-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }
.news-card a { display: inline-flex; align-items: center; gap: 4px; font-size: 0.9rem; font-weight: 500; color: var(--primary-light); margin-top: 12px; }

@media (max-width: 480px) {
  .news-grid { grid-template-columns: 1fr; gap: 16px; }
  .news-card-body { padding: 16px; }
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff; padding: 60px 0; text-align: center;
}
.cta-banner h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { opacity: 0.8; font-size: 1.05rem; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }

@media (max-width: 768px) {
  .cta-banner { padding: 40px 0; }
  .cta-banner h2 { font-size: 1.5rem; }
  .cta-banner p { font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .cta-banner { padding: 30px 0; }
  .cta-banner h2 { font-size: 1.3rem; }
}

/* --- Curriculum Section --- */
.curriculum-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 768px) {
  .curriculum-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* --- Course Table --- */
.course-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
.course-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 400px; }
.course-table th, .course-table td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
.course-table th { background: var(--primary); color: #fff; font-weight: 600; font-size: 0.88rem; }
.course-table tr:nth-child(even) { background: var(--bg-alt); }
.course-table tr:hover { background: rgba(26,58,92,0.04); }

@media (max-width: 480px) {
  .course-table { font-size: 0.85rem; }
  .course-table th, .course-table td { padding: 8px 10px; }
}

/* --- Feature List --- */
.feature-list { list-style: none; }
.feature-list li {
  position: relative; padding-left: 28px;
  margin-bottom: 12px; font-size: 0.95rem;
  color: var(--text-light); line-height: 1.6;
}
.feature-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
@media (max-width: 480px) {
  .feature-list li { font-size: 0.88rem; padding-left: 22px; }
}

/* --- Animations --- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Utility --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }