:root {
  --mai-bg: #f7f8fc;
  --mai-surface: #ffffff;
  --mai-text: #111827;
  --mai-muted: #5b6475;
  --mai-primary: #2563eb;
  --mai-primary-dark: #1e40af;
  --mai-secondary: #7c3aed;
  --mai-accent: #14b8a6;
  --mai-border: #e5e7eb;
  --mai-soft: #eef4ff;
  --mai-shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
  --mai-radius: 24px;
  --mai-radius-sm: 16px;
  --mai-container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--mai-text);
  background: radial-gradient(circle at top left, rgba(37,99,235,.08), transparent 32rem), var(--mai-bg);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: var(--mai-primary); text-decoration: none; }
a:hover { color: var(--mai-primary-dark); }
.mai-container { width: min(var(--mai-container), calc(100% - 40px)); margin: 0 auto; }
.screen-reader-text { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 99999; background: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: var(--mai-shadow); }

.mai-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(247,248,252,.86);
  border-bottom: 1px solid rgba(229,231,235,.78);
}
.mai-header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.mai-brand-text {
  display: grid;
  gap: 0;
  color: var(--mai-text);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}
.mai-brand-text small { color: var(--mai-muted); font-weight: 600; font-size: .72rem; letter-spacing: 0; }
.mai-menu-toggle { display: none; }
.mai-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.mai-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--mai-text);
  font-size: .86rem;
  font-weight: 700;
}
.mai-menu a:hover,
.current-menu-item > a {
  background: #fff;
  color: var(--mai-primary);
  box-shadow: 0 8px 24px rgba(15,23,42,.06);
}

.mai-main { min-height: 70vh; }
.mai-content-shell { padding: 46px 0 72px; }
.mai-entry-content > *:first-child { margin-top: 0; }

.mai-hero {
  display: grid;
  grid-template-columns: 1.14fr .86fr;
  gap: 30px;
  align-items: center;
  padding: 56px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.10)),
    #fff;
  box-shadow: var(--mai-shadow);
  overflow: hidden;
  position: relative;
}
.mai-hero:before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: rgba(20,184,166,.16);
  right: -90px;
  top: -70px;
}
.mai-hero-copy,
.mai-hero-panel { position: relative; z-index: 1; }
.mai-hero h1,
.mai-page-title h1 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 5vw, 4.9rem);
  line-height: .98;
  letter-spacing: -0.07em;
}
.mai-page-title h1 { font-size: clamp(2.2rem, 4vw, 4rem); }
.mai-lead,
.mai-page-title p {
  font-size: 1.1rem;
  color: var(--mai-muted);
  max-width: 760px;
}
.mai-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--mai-primary);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 800;
}
.mai-eyebrow:before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mai-primary), var(--mai-secondary));
}
.mai-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.mai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  font-size: .95rem;
}
.mai-btn:hover { transform: translateY(-1px); }
.mai-btn-primary { background: linear-gradient(135deg, var(--mai-primary), var(--mai-secondary)); color: #fff; box-shadow: 0 14px 32px rgba(37,99,235,.25); }
.mai-btn-primary:hover { color: #fff; box-shadow: 0 18px 40px rgba(37,99,235,.30); }
.mai-btn-ghost { background: #fff; color: var(--mai-primary); border: 1px solid var(--mai-border); }
.mai-hero-panel { display: grid; gap: 16px; }
.mai-learning-preview {
  padding: 24px;
  border-radius: var(--mai-radius);
  background: #0f172a;
  color: #e5e7eb;
  box-shadow: 0 20px 50px rgba(15,23,42,.26);
}
.mai-learning-preview strong { display: block; color: #fff; margin-bottom: 14px; font-size: 1.08rem; }
.mai-learning-preview p { margin: 12px 0; }

.mai-section { margin-top: 34px; padding: 34px; border-radius: var(--mai-radius); background: rgba(255,255,255,.72); border: 1px solid rgba(229,231,235,.78); }
.mai-section-head { margin-bottom: 24px; }
.mai-section h2,
.mai-card h2,
.mai-card h3 { letter-spacing: -0.03em; line-height: 1.16; }
.mai-section h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.5rem); }
.mai-section-head p,
.mai-section p,
.mai-card p { color: var(--mai-muted); }
.mai-grid { display: grid; gap: 18px; }
.mai-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mai-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mai-card {
  display: block;
  padding: 24px;
  border-radius: var(--mai-radius-sm);
  background: #fff;
  border: 1px solid var(--mai-border);
  box-shadow: 0 12px 30px rgba(15,23,42,.05);
  color: var(--mai-text);
}
.mai-card:hover { border-color: rgba(37,99,235,.28); }
.mai-card span:not(.mai-badge) { display: inline-flex; color: var(--mai-secondary); font-weight: 900; margin-bottom: 12px; }
.mai-card h2,
.mai-card h3 { margin: 0 0 10px; }
.mai-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--mai-soft);
  color: var(--mai-primary);
  font-size: .78rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.mai-highlight {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(37,99,235,.10), rgba(20,184,166,.10));
}
.mai-checklist { padding: 0; margin: 0; list-style: none; display: grid; gap: 12px; }
.mai-checklist li { position: relative; padding-left: 30px; color: var(--mai-text); font-weight: 650; }
.mai-checklist li:before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; display: inline-grid; place-items: center; background: rgba(20,184,166,.15); color: #0f766e; border-radius: 50%; font-size: .78rem; font-weight: 900; }
.mai-page-title { margin-bottom: 24px; padding: 42px; border-radius: var(--mai-radius); background: #fff; box-shadow: var(--mai-shadow); }

.mai-table-wrap { overflow-x: auto; }
.mai-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--mai-radius-sm); overflow: hidden; }
.mai-table th,
.mai-table td { padding: 16px; text-align: left; border-bottom: 1px solid var(--mai-border); vertical-align: top; }
.mai-table th { background: #0f172a; color: #fff; }
.mai-table tr:last-child td { border-bottom: 0; }
.mai-timeline { display: grid; gap: 14px; }
.mai-timeline > div { padding: 18px; border-left: 5px solid var(--mai-primary); background: #fff; border-radius: 0 var(--mai-radius-sm) var(--mai-radius-sm) 0; }
.mai-timeline p { margin: 6px 0 0; }

.mai-soft-card { background: linear-gradient(135deg, #fff, #f3f7ff); }

.mai-quiz { display: grid; gap: 18px; }
.mai-quiz-question { border: 1px solid var(--mai-border); border-radius: var(--mai-radius-sm); background: #fff; padding: 22px; margin: 0; }
.mai-quiz-question legend { font-weight: 800; letter-spacing: -0.02em; padding: 0 4px; }
.mai-quiz-question label { display: block; padding: 10px 12px; margin-top: 8px; border-radius: 12px; background: #f9fafb; cursor: pointer; }
.mai-quiz-question label:hover { background: #eef4ff; }
.mai-result { margin-top: 20px; padding: 24px; border-radius: var(--mai-radius-sm); background: #0f172a; color: #fff; }
.mai-result h2 { margin-top: 0; }
.mai-result p { color: #e5e7eb; }
.mai-dashboard-detail { margin-top: 18px; }
.mai-stat strong { display: block; font-size: 2rem; letter-spacing: -0.04em; margin: 6px 0; }
.mai-ct-profile { display: grid; gap: 12px; margin-bottom: 18px; }
.mai-progress-row { display: grid; gap: 6px; }
.mai-progress-label { display: flex; justify-content: space-between; font-weight: 800; font-size: .92rem; }
.mai-progress { height: 12px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.mai-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--mai-primary), var(--mai-accent)); border-radius: 999px; }

.mai-site-footer { background: #0f172a; color: #fff; padding: 34px 0; }
.mai-footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.mai-footer-inner p { color: #cbd5e1; margin: 4px 0 0; }
.mai-footer-inner a { color: #dbeafe; margin-left: 16px; font-weight: 700; }

@media (max-width: 980px) {
  .mai-hero,
  .mai-grid-2,
  .mai-grid-3 { grid-template-columns: 1fr; }
  .mai-hero { padding: 34px; }
  .mai-highlight { align-items: flex-start; flex-direction: column; }
  .mai-menu-toggle { display: inline-flex; border: 1px solid var(--mai-border); border-radius: 999px; background: #fff; padding: 9px 14px; font-weight: 800; }
  .mai-nav { position: absolute; left: 20px; right: 20px; top: 74px; background: #fff; border: 1px solid var(--mai-border); border-radius: 20px; box-shadow: var(--mai-shadow); padding: 12px; display: none; }
  .mai-nav.is-open { display: block; }
  .mai-menu { display: grid; justify-content: stretch; }
  .mai-menu a { width: 100%; border-radius: 14px; }
}
@media (max-width: 640px) {
  .mai-container { width: min(100% - 24px, var(--mai-container)); }
  .mai-content-shell { padding: 26px 0 56px; }
  .mai-hero,
  .mai-page-title,
  .mai-section { padding: 24px; border-radius: 22px; }
  .mai-hero h1,
  .mai-page-title h1 { letter-spacing: -0.05em; }
  .mai-footer-inner { display: grid; }
  .mai-footer-inner a { margin: 0 12px 0 0; }
}