:root {
  --ink: #11151c;
  --muted: #55616f;
  --line: #d8dee5;
  --paper: #f7f4ee;
  --white: #ffffff;
  --blue: #1d5fd1;
  --green: #15835b;
  --gold: #b88317;
  --red: #c94f3d;
  --shadow: 0 24px 70px rgba(17, 21, 28, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(247, 244, 238, 0.88);
  border-bottom: 1px solid rgba(17, 21, 28, 0.08);
  backdrop-filter: blur(14px);
}

.brand,
.site-nav,
.hero-actions,
.panel-top,
.site-footer,
.cta {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  font-size: 0.8rem;
  letter-spacing: 0;
}

.site-nav {
  gap: 22px;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-action {
  padding: 10px 14px;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(32px, 6vw, 76px);
  min-height: calc(100vh - 82px);
  padding: clamp(56px, 9vw, 108px) clamp(20px, 4vw, 56px) 56px;
}

.hero-copy {
  align-self: center;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 8px;
  font-weight: 760;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--white);
}

.mission-panel {
  align-self: center;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(29, 95, 209, 0.1), rgba(21, 131, 91, 0.12)),
    var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-top {
  justify-content: space-between;
  padding: 10px 8px 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-dot {
  color: var(--green);
  font-weight: 800;
}

.loop-card {
  position: relative;
  display: grid;
  gap: 5px;
  min-height: 96px;
  margin-bottom: 12px;
  padding: 18px 18px 18px 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.loop-card::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 10px;
  width: 4px;
  content: "";
  background: var(--blue);
  border-radius: 99px;
}

.loop-card:nth-child(3)::before {
  background: var(--green);
}

.loop-card:nth-child(4)::before {
  background: var(--gold);
}

.loop-card:nth-child(5)::before {
  background: var(--red);
}

.loop-card span,
.pillar p,
.module p,
.intro p,
.outcome-grid p {
  color: var(--muted);
}

.section {
  padding: clamp(64px, 8vw, 110px) clamp(20px, 4vw, 56px);
  border-top: 1px solid rgba(17, 21, 28, 0.08);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.8fr);
  gap: clamp(28px, 6vw, 80px);
  background: var(--white);
}

.intro p {
  align-self: end;
  max-width: 620px;
  font-size: 1.18rem;
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  background: #eef3f7;
}

.pillar,
.outcome-grid div,
.detail-grid article {
  min-height: 220px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.number {
  display: block;
  margin-bottom: 44px;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 850;
}

.curriculum {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
  background: var(--ink);
  color: var(--white);
}

.curriculum .eyebrow {
  color: #83b4ff;
}

.curriculum-list {
  display: grid;
  gap: 12px;
}

.module {
  width: 100%;
  padding: 22px;
  color: var(--white);
  text-align: left;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  cursor: pointer;
}

.module span {
  display: block;
  margin-bottom: 10px;
  color: #96d9bd;
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.module strong {
  display: block;
  font-size: 1.15rem;
}

.module p {
  display: none;
  margin: 12px 0 0;
  color: #cbd3dc;
}

.module.open {
  background: rgba(29, 95, 209, 0.34);
  border-color: rgba(131, 180, 255, 0.58);
}

.module.open p {
  display: block;
}

.outcomes,
.details {
  background: var(--white);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.detail-grid article {
  min-height: 260px;
}

.tag-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 10px 12px;
  color: var(--muted);
  background: #eef3f7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.instructor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: clamp(28px, 6vw, 76px);
  background: #eef3f7;
}

.instructor p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.1rem;
}

.instructor-links {
  display: grid;
  align-content: center;
  gap: 12px;
}

.instructor-links a {
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.cta {
  justify-content: space-between;
  gap: 24px;
  padding: clamp(44px, 7vw, 72px) clamp(20px, 4vw, 56px);
  color: var(--white);
  background: var(--blue);
}

.cta .eyebrow {
  color: #dbe8ff;
}

.cta h2 {
  max-width: 820px;
  margin: 0;
}

.cta .button.primary {
  color: var(--blue);
  background: var(--white);
}

.site-footer {
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 4vw, 56px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .intro,
  .curriculum,
  .instructor {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .grid-section,
  .outcome-grid,
  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .brand span:last-child {
    font-size: 0.95rem;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.88rem;
  }

  h1 {
    font-size: 3.1rem;
  }

  .grid-section,
  .outcome-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .pillar,
  .outcome-grid div,
  .detail-grid article {
    min-height: 170px;
  }

  .cta,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}