:root {
  --bg: #08111f;
  --panel: #0e1a2d;
  --panel-2: #13243b;
  --panel-3: #172b46;
  --text: #f4f7fb;
  --muted: #a9b7c9;
  --accent: #f4b942;
  --accent-2: #5bc0eb;
  --success: #56d6a5;
  --danger: #ff8075;
  --border: rgba(255,255,255,.12);
  --shadow: 0 24px 60px rgba(0,0,0,.28);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top right, rgba(91,192,235,.13), transparent 30%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  background: var(--accent);
  color: #111;
  padding: .7rem 1rem;
  z-index: 99;
  border-radius: 8px;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  backdrop-filter: blur(18px);
  background: rgba(8,17,31,.9);
  border-bottom: 1px solid var(--border);
}
.brand-wrap { display: flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #ff7a18);
  color: #111;
  font-weight: 900;
  letter-spacing: -.04em;
}
.site-header h1 { font-size: clamp(1rem, 2vw, 1.35rem); margin: 0; line-height: 1.1; }
.eyebrow { margin: 0 0 .35rem; text-transform: uppercase; letter-spacing: .16em; font-size: .74rem; color: var(--accent); font-weight: 800; }
.top-nav { display: flex; align-items: center; gap: 1rem; }
.top-nav a { text-decoration: none; color: var(--muted); font-weight: 700; padding: .35rem 0; border-bottom: 2px solid transparent; }
.top-nav a:hover, .top-nav a:focus, .top-nav a.active { color: var(--text); border-color: var(--accent); }
.menu-toggle { display: none; }
.ghost-button, .filter-button, .menu-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: .65rem .9rem;
  cursor: pointer;
}

main { width: min(1200px, calc(100% - 2rem)); min-height: 70vh; margin: 0 auto; }
.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 1.5fr .85fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(4rem, 9vw, 8rem) 0;
}
.hero h2, .page-hero h2, .course-hero h2, .not-found h2 {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.045em;
  max-width: 14ch;
}
.hero-copy > p:not(.eyebrow), .page-hero p:not(.eyebrow), .course-hero p:not(.eyebrow) { color: var(--muted); font-size: 1.15rem; max-width: 64ch; }
.hero-actions, .page-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0; align-items: center; }
.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .8rem 1.15rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 850;
  cursor: pointer;
}
button.primary-button, button.secondary-button { border: 0; }
.primary-button { background: var(--accent); color: #111; }
.secondary-button { border: 1px solid var(--border) !important; color: var(--text); background: transparent; }
.primary-button:hover, .secondary-button:hover { transform: translateY(-1px); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-stats div { min-width: 140px; }
.hero-stats strong, .hero-stats span { display: block; }
.hero-stats strong { font-size: 1.3rem; }
.hero-stats span { color: var(--muted); font-size: .88rem; }
.hero-panel, .course-summary-card, .request-aside {
  background: linear-gradient(180deg, rgba(19,36,59,.98), rgba(14,26,45,.98));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.hero-panel h3 { font-size: 1.7rem; line-height: 1.1; }
.hero-panel li, .course-summary-card li { margin: .65rem 0; color: var(--muted); }
.panel-label { color: var(--accent-2); font-weight: 800; }
.text-link { color: var(--accent); font-weight: 850; text-decoration: none; }
.back-link { display: inline-flex; margin-bottom: 1.5rem; color: var(--muted); text-decoration: none; font-weight: 750; }
.back-link:hover { color: var(--text); }

.section-block { padding: clamp(3rem, 7vw, 6rem) 0; }
.home-section { padding-top: 1rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.section-heading h2, .split-section h2, .compliance-card h2, .request-aside h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  letter-spacing: -.04em;
  max-width: 14ch;
}
.page-hero.compact {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  padding: clamp(4rem, 8vw, 7rem) 0 2rem;
  border-bottom: 1px solid var(--border);
}
.page-hero.compact h2 { font-size: clamp(2.3rem, 5vw, 4.6rem); }

.catalog-toolbar { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.search-box input {
  width: min(520px, 100%);
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .95rem 1rem;
}
.filter-bar { display: flex; flex-wrap: wrap; gap: .6rem; }
.filter-button.active { background: var(--accent); color: #111; border-color: var(--accent); }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.course-card {
  display: flex;
  flex-direction: column;
  min-height: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
.course-card:hover { transform: translateY(-4px); border-color: rgba(244,185,66,.55); }
.course-accent { height: 7px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.course-content { padding: 1.35rem; display: flex; flex: 1; flex-direction: column; }
.course-meta { display: flex; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .82rem; }
.course-card h3 { font-size: 1.35rem; line-height: 1.2; margin: 1rem 0 .65rem; }
.course-card h3 a { text-decoration: none; }
.course-card h3 a:hover { color: var(--accent); }
.course-card p { color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0 1rem; }
.tag-row span { padding: .3rem .6rem; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .8rem; }
.tag-row.large span { font-size: .9rem; }
.progress-wrap { margin-top: auto; }
.progress-track { height: 8px; background: rgba(255,255,255,.08); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--success)); transition: width .25s ease; }
.progress-row { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-top: .65rem; }
.progress-button { color: var(--accent); font-weight: 850; text-decoration: none; }
.empty-state { color: var(--muted); text-align: center; padding: 3rem; }
.empty-panel { padding: 2rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }

.split-section { display: grid; grid-template-columns: .9fr 1.2fr; gap: clamp(2rem, 7vw, 7rem); }
.split-section > div > p:not(.eyebrow) { color: var(--muted); }
.pathway-list { display: grid; gap: .8rem; }
.pathway-list article { display: flex; gap: 1rem; padding: 1.2rem; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
.pathway-list span { color: var(--accent); font-weight: 900; }
.pathway-list h3, .pathway-list p { margin: 0; }
.pathway-list h3 a { text-decoration: none; }
.pathway-list p { color: var(--muted); }
.pathway-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.pathway-card { padding: 2rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.pathway-card h2 { font-size: 2rem; margin: .5rem 0; }
.pathway-card h2 a { text-decoration: none; }
.pathway-card p { color: var(--muted); }
.pathway-number { font-size: 2.4rem; font-weight: 900; color: var(--accent); }

.compliance-card {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 2rem;
  background: linear-gradient(135deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(2rem, 6vw, 4rem);
  margin-bottom: 5rem;
}
.compliance-card p, .request-aside p { color: var(--muted); }
.checklist p { color: var(--text); font-weight: 750; }

.course-hero { padding: clamp(4rem, 8vw, 7rem) 0 2rem; }
.course-hero-grid { display: grid; grid-template-columns: 1.35fr .7fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.course-hero h2 { font-size: clamp(2.4rem, 5vw, 4.8rem); }
.course-summary-card { position: sticky; top: 105px; }
.course-summary-card h3 { margin-top: 0; }
.course-outline { padding-top: 2rem; }
.lesson-list { display: grid; gap: .8rem; }
.lesson-row { display: grid; grid-template-columns: 54px 1fr auto; gap: 1rem; align-items: center; padding: 1.25rem; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
.lesson-row.complete { border-color: rgba(86,214,165,.45); }
.lesson-number { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--panel-3); color: var(--accent); font-weight: 900; }
.lesson-row.complete .lesson-number { color: #06130e; background: var(--success); }
.lesson-row h3, .lesson-row p { margin: 0; }
.lesson-row p { color: var(--muted); }
.lesson-actions { display: grid; gap: .25rem; justify-items: end; }
.lesson-actions > span { color: var(--muted); font-size: .88rem; }
.muted { color: var(--muted); }

.learning-shell { display: grid; grid-template-columns: 340px 1fr; gap: clamp(2rem, 5vw, 5rem); padding: 3rem 0 6rem; }
.learning-sidebar { position: sticky; top: 100px; align-self: start; max-height: calc(100vh - 120px); overflow: auto; padding-right: 1rem; }
.learning-sidebar h2 { font-size: 1.45rem; line-height: 1.15; }
.learning-sidebar > p { color: var(--muted); }
.learning-sidebar nav { display: grid; gap: .45rem; margin-top: 1.5rem; }
.sidebar-lesson { display: flex; gap: .7rem; align-items: center; padding: .75rem; border-radius: 10px; color: var(--muted); text-decoration: none; border: 1px solid transparent; }
.sidebar-lesson span { width: 28px; height: 28px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--panel); font-size: .8rem; }
.sidebar-lesson:hover, .sidebar-lesson.active { color: var(--text); background: var(--panel); border-color: var(--border); }
.sidebar-lesson.complete span { color: #07130e; background: var(--success); }
.lesson-player { max-width: 820px; }
.lesson-player > h2 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; margin: .3rem 0 1rem; }
.lesson-lead { color: var(--muted); font-size: 1.2rem; }
.lesson-content-block { margin: 2rem 0; padding: 1.6rem; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; }
.lesson-content-block h3 { margin-top: 0; }
.lesson-content-block li { margin: .5rem 0; }
.field-check, .knowledge-check { display: grid; gap: .7rem; }
.field-check label, .knowledge-check label { display: flex; align-items: flex-start; gap: .65rem; padding: .75rem; border-radius: 10px; background: rgba(255,255,255,.035); }
.answer-feedback { color: var(--accent); font-weight: 750; }
.lesson-complete-panel { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.completion-check { display: flex; gap: .65rem; align-items: center; font-weight: 850; }
.lesson-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; }

.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-bottom: 1rem; }
.metric-card { padding: 1.7rem; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; }
.metric-card strong, .metric-card span { display: block; }
.metric-card strong { font-size: 2.5rem; color: var(--accent); }
.metric-card span { color: var(--muted); }
.dashboard-section { padding-top: 2rem; }
.profile-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 1rem; align-items: end; padding: 1.5rem; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; }
.profile-form label, .request-form label { display: grid; gap: .4rem; font-weight: 750; }
.profile-form input, .request-form input, .request-form textarea {
  width: 100%;
  padding: .85rem .9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  background: rgba(0,0,0,.15);
}
.certificate-list { display: grid; gap: .75rem; }
.certificate-list article { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.2rem; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
.certificate-list h3, .certificate-list p { margin: 0; }
.certificate-list p { color: var(--muted); }

.form-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 2rem; align-items: start; }
.request-form { padding: 1.6rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.request-form fieldset { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin: 1.5rem 0; border: 1px solid var(--border); border-radius: 12px; }
.request-form fieldset label { display: flex; gap: .5rem; align-items: center; font-weight: 500; }
.request-form input[type="checkbox"], .request-form input[type="radio"] { width: auto; }
.request-form > label { margin: 1rem 0; }
.request-form .consent { display: flex; grid-template-columns: auto 1fr; align-items: start; font-weight: 500; }
.request-aside { position: sticky; top: 105px; }

.not-found { padding: 8rem 0; }
.toast { position: fixed; right: 1rem; bottom: 1rem; z-index: 50; max-width: 380px; padding: 1rem 1.2rem; color: #06130e; background: var(--success); border-radius: 12px; box-shadow: var(--shadow); font-weight: 800; }
footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 2rem clamp(1rem, 4vw, 4rem); border-top: 1px solid var(--border); color: var(--muted); }
footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }
footer > p { text-align: right; }
footer p { margin: .2rem 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

body.high-contrast {
  --bg: #000;
  --panel: #080808;
  --panel-2: #111;
  --panel-3: #181818;
  --text: #fff;
  --muted: #f1f1f1;
  --accent: #ffdf00;
  --accent-2: #00e5ff;
  --success: #66ff99;
  --border: rgba(255,255,255,.6);
}

@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; }
  .top-nav { display: none; position: absolute; top: calc(100% + 1px); left: 0; right: 0; padding: 1rem; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--border); }
  .top-nav.open { display: flex; }
  .top-nav a { padding: .75rem; }
  .hero, .split-section, .compliance-card, .course-hero-grid, .form-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .pathway-grid { grid-template-columns: 1fr; }
  .section-heading, .page-hero.compact { align-items: stretch; flex-direction: column; }
  .course-summary-card, .request-aside { position: static; }
  .learning-shell { grid-template-columns: 1fr; }
  .learning-sidebar { position: static; max-height: none; padding: 0 0 1rem; border-bottom: 1px solid var(--border); }
  .learning-sidebar nav { grid-template-columns: repeat(2, 1fr); }
  footer { grid-template-columns: 1fr; text-align: left; }
  footer nav { justify-content: flex-start; }
  footer > p { text-align: left; }
}

@media (max-width: 680px) {
  .site-header { align-items: center; }
  .brand-mark { width: 42px; height: 42px; }
  .course-grid, .dashboard-grid, .form-grid, .profile-form { grid-template-columns: 1fr; }
  .hero h2 { font-size: clamp(2.4rem, 14vw, 4rem); }
  .lesson-row { grid-template-columns: 44px 1fr; }
  .lesson-actions { grid-column: 2; justify-items: start; }
  .learning-sidebar nav { grid-template-columns: 1fr; }
  .lesson-nav, .certificate-list article { align-items: stretch; flex-direction: column; }
  .request-form fieldset { grid-template-columns: 1fr; }
  .toast { left: 1rem; right: 1rem; }
}