:root {
  --red:        #CC0000;
  --dark:       #1A1A1A;
  --navy:       #1E2B4A;
  --white:      #FFFFFF;
  --offwhite:   #F8F8F8;
  --gray-light: #F2F2F2;
  --gray-mid:   #E0E0E0;
  --gray-dark:  #5A5A5A;
  --green:      #2D6A4F;

  --serif: 'Georgia', 'Cambria', serif;
  --sans:  'Helvetica Neue', 'Arial', sans-serif;

  --max-w: 1100px;
  --content-w: 780px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--dark);
  background: var(--white);
  line-height: 1.65;
  font-size: 1rem;
}

/* ── Navigation ───────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  border-bottom: 3px solid var(--red);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-logo span { color: var(--red); margin: 0 0.25rem; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.25rem;
}

.nav-links a {
  display: block;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ccc;
  text-decoration: none;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--white); background: var(--red); }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  background: var(--dark);
  color: var(--white);
  padding: 5rem 2rem 4rem;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.hero-sub-title {
  font-family: var(--serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: #aaa;
  margin-bottom: 1.5rem;
}

.hero-sub {
  max-width: 580px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  color: #ccc;
  line-height: 1.7;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 3px;
  text-decoration: none;
  transition: opacity 0.15s, background 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-red     { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-red:hover { opacity: 0.88; }
.btn-white   { background: var(--white); color: var(--dark); border-color: var(--white); }
.btn-white:hover { opacity: 0.88; }
.btn-outline { background: transparent; color: var(--dark); border-color: var(--gray-mid); }
.btn-outline:hover { border-color: var(--dark); }
.btn-navy    { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-navy:hover { opacity: 0.88; }

/* ── Page header (inner pages) ───────────────────────────────────────────── */
.page-header {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem 2.5rem;
  border-bottom: 3px solid var(--red);
}
.page-header-inner { max-width: var(--max-w); margin: 0 auto; }
.page-header h1 { font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 0.5rem; }
.page-header p  { color: #bbb; font-size: 1.05rem; max-width: 620px; }

/* ── Section utility ─────────────────────────────────────────────────────── */
.section       { padding: 4rem 2rem; }
.section-alt   { background: var(--gray-light); }
.section-inner { max-width: var(--max-w); margin: 0 auto; }

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem;
}

.section-inner h2 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.25;
}

/* ── Content (prose pages) ───────────────────────────────────────────────── */
.content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 2rem;
}
.content-narrow { max-width: var(--content-w); }

.prose h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 2.5rem 0 0.75rem;
  color: var(--dark);
}
.prose h3 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
  color: var(--dark);
}
.prose p  { margin-bottom: 1rem; color: var(--dark); }
.prose ul, .prose ol { margin: 0.5rem 0 1rem 1.5rem; }
.prose li { margin-bottom: 0.4rem; }

/* ── Certificate track cards ─────────────────────────────────────────────── */
.track-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.track-card {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-top: 4px solid var(--red);
  border-radius: 0 0 4px 4px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}
.track-card.navy  { border-top-color: var(--navy); }
.track-card.green { border-top-color: var(--green); }
.track-card.placeholder { border-top-color: var(--gray-dark); opacity: 0.7; }

.track-card .track-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.track-card.navy  .track-label { color: var(--navy); }
.track-card.green .track-label { color: var(--green); }
.track-card.placeholder .track-label { color: var(--gray-dark); }
.track-card h3 { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; }
.track-card p  { font-size: 0.9rem; color: var(--gray-dark); flex: 1; margin-bottom: 1.25rem; }
.track-card .track-meta { font-size: 0.8rem; color: var(--gray-dark); margin-bottom: 1rem; }
.track-card .track-meta span { display: block; margin-bottom: 0.2rem; }

/* ── Module list ─────────────────────────────────────────────────────────── */
.module-list { list-style: none; margin: 1.5rem 0; }
.module-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-mid);
}
.module-list li:last-child { border-bottom: none; }
.module-num {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--red);
  min-width: 2rem;
  line-height: 1;
  padding-top: 0.15rem;
}
.module-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.module-body p  { font-size: 0.9rem; color: var(--gray-dark); margin-bottom: 0.4rem; }

/* ── Info cards (quick stats) ────────────────────────────────────────────── */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.info-card {
  background: var(--gray-light);
  border-top: 3px solid var(--red);
  padding: 1.25rem;
}
.info-card .info-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.4rem;
}
.info-card .info-value { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; }
.info-card p { font-size: 0.85rem; color: var(--gray-dark); }

/* ── Callout box ─────────────────────────────────────────────────────────── */
.callout {
  padding: 1.5rem 1.75rem;
  background: var(--gray-light);
  border-left: 4px solid var(--red);
  border-radius: 0 4px 4px 0;
  margin: 1.5rem 0;
}
.callout.navy  { border-left-color: var(--navy); }
.callout.green { border-left-color: var(--green); }
.callout-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.4rem;
}
.callout.navy  .callout-label { color: var(--navy); }
.callout.green .callout-label { color: var(--green); }
.callout p { font-size: 0.95rem; color: var(--dark); margin-bottom: 0; }

/* ── Cohort timeline ─────────────────────────────────────────────────────── */
.timeline { margin: 2rem 0; }
.timeline-item {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 2rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--gray-mid);
}
.timeline-item:last-child::before { display: none; }
.timeline-marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}
.timeline-marker.red   { background: var(--red); }
.timeline-marker.navy  { background: var(--navy); }
.timeline-marker.green { background: var(--green); }
.timeline-body { padding-top: 0.4rem; }
.timeline-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.timeline-body p  { font-size: 0.9rem; color: var(--gray-dark); }

/* ── Resource list ───────────────────────────────────────────────────────── */
.resource-list { list-style: none; margin: 1.5rem 0; }
.resource-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--gray-mid);
}
.resource-list li:last-child { border-bottom: none; }
.resource-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 0.1rem; }
.resource-body strong { display: block; font-weight: 700; margin-bottom: 0.25rem; }
.resource-body p { font-size: 0.9rem; color: var(--gray-dark); margin-bottom: 0.35rem; }
.resource-body a { font-size: 0.875rem; color: var(--red); text-decoration: none; font-weight: 600; }
.resource-body a:hover { text-decoration: underline; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--dark);
  color: #888;
  text-align: center;
  padding: 1.5rem 2rem;
  font-size: 0.85rem;
  border-top: 3px solid var(--red);
}
.site-footer a { color: #aaa; text-decoration: none; }
.site-footer a:hover { color: var(--white); }

/* ── Placeholder / coming soon ───────────────────────────────────────────── */
.coming-soon {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--gray-light);
  border: 2px dashed var(--gray-mid);
  border-radius: 4px;
  margin: 2rem 0;
}
.coming-soon h3 { font-family: var(--serif); font-size: 1.4rem; margin-bottom: 0.75rem; color: var(--gray-dark); }
.coming-soon p  { color: var(--gray-dark); max-width: 480px; margin: 0 auto; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .section   { padding: 2.5rem 1.25rem; }
  .content   { padding: 2rem 1.25rem; }
  .track-cards { grid-template-columns: 1fr; }
  .info-cards  { grid-template-columns: 1fr 1fr; }
}