:root {
  --bg: #eef0e6;
  --bg-alt: #e3e7d8;
  --bg-deep: #d6dcc6;
  --ink: #1c2218;
  --ink-muted: #5a6253;
  --accent: #2f5e3a;
  --accent-hover: #244a2c;
  --accent-soft: #d6e2cf;
  --rule: #c8cebb;
  --shadow: 0 1px 0 rgba(28, 34, 24, 0.06);
  --max-width: 920px;
  --side-pad: clamp(1.25rem, 5vw, 2.5rem);
  --radius: 0;

  --font-serif: "Charter", "Iowan Old Style", "Georgia", "Noto Serif", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: 0.4em; }

strong { font-weight: 600; color: var(--ink); }

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 100;
}
.skip-link:focus { top: 0; }

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--side-pad);
  padding-right: var(--side-pad);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 64px;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav__link {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.9375rem;
  transition: color 0.15s ease;
}
.site-nav__link:hover,
.site-nav__link:focus-visible { color: var(--ink); }

.site-nav__cta { margin-left: 0.5rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.65em 1.1em;
  font: inherit;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: #f6f8f1;
  border-color: var(--accent);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--ink);
  color: var(--bg);
}

.btn--lg {
  padding: 0.8em 1.4em;
  font-size: 1rem;
}
.btn--xl {
  padding: 1em 1.8em;
  font-size: 1.0625rem;
}

/* Focus ring */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.btn:focus-visible { outline-offset: 3px; }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  max-width: 18ch;
  text-wrap: balance;
}

.hero__lead {
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.1875rem);
  line-height: 1.55;
  max-width: 56ch;
  margin-bottom: 1rem;
}
.hero__lead--muted { color: var(--ink-muted); }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 2.5rem;
}

.hero__badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
}
.hero__badges li {
  margin: 0;
  font-size: 0.9375rem;
}
.badge-label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6875rem;
  color: var(--ink-muted);
  margin-bottom: 0.25rem;
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  border-bottom: 1px solid var(--rule);
}
.section--alt { background: var(--bg-alt); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.625rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 22ch;
}

.section-lead {
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  color: var(--ink);
  max-width: 56ch;
  margin-bottom: 2rem;
}

.paragraph-lead {
  font-weight: 500;
  margin-top: 1.5rem;
}

.section-subhead {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 2.25rem 0 1rem;
  color: var(--ink);
}

.nowrap { white-space: nowrap; }

/* Stats strip */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin: 0;
  order: 1;
}
.stat__num {
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 1.5rem + 1.4vw, 2.75rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.25rem 0 0;
  order: 2;
}
.stat__unit {
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin: 0;
  order: 3;
}

/* Timeline (program phases) */
.timeline {
  margin: 2.5rem 0 0;
}
.timeline__item {
  display: grid;
  grid-template-columns: 9rem 1.75rem 1fr;
  grid-template-areas: "date marker content";
  padding-bottom: 2.5rem;
}
.timeline__item:last-child { padding-bottom: 0; }

.timeline__date {
  grid-area: date;
  text-align: right;
  padding: 0.3rem 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  line-height: 1.4;
  margin: 0;
}

.timeline__marker {
  grid-area: marker;
  position: relative;
}
.timeline__marker::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0.55rem;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.timeline__marker::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.6rem;
  bottom: -2.5rem;
  width: 2px;
  background: var(--accent);
  transform: translateX(-50%);
}
.timeline__item:last-child .timeline__marker::after { display: none; }

.timeline__content {
  grid-area: content;
  padding-left: 1.25rem;
}
.timeline__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 0.35rem;
  color: var(--ink);
}
.timeline__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}
.timeline__desc {
  color: var(--ink-muted);
  line-height: 1.55;
  max-width: 56ch;
  margin: 0;
}

.timeline-note {
  margin: 1.5rem 0 0;
  padding: 0.9rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  line-height: 1.55;
}
.timeline-note strong { color: var(--ink); }

@media (max-width: 720px) {
  .timeline__item {
    grid-template-columns: 1.75rem 1fr;
    grid-template-areas:
      "marker date"
      "marker content";
    column-gap: 0;
  }
  .timeline__date {
    text-align: left;
    padding: 0 0 0.5rem 0;
  }
  .timeline__content { padding-left: 0.5rem; }
  .timeline__date br { display: none; }
}

/* Cards */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.section--alt .card { background: var(--bg); }

.card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.card__title {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
}

/* Exchange / two-column */
.exchange {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1rem;
}

.exchange__col {
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 1.75rem;
}
.exchange__col--accent {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.exchange__heading {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--ink-muted);
}
.exchange__col--accent .exchange__heading { color: var(--accent); }

.exchange__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.exchange__list li {
  padding: 0.6rem 0;
  border-top: 1px solid var(--rule);
  font-size: 1rem;
  line-height: 1.5;
}
.exchange__list li:first-child { border-top: 0; padding-top: 0; }
.exchange__list li:last-child { padding-bottom: 0; }
.exchange__col--accent .exchange__list li {
  border-top-color: color-mix(in srgb, var(--accent) 18%, transparent);
}

/* Callout */
.callout {
  display: block;
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  color: var(--ink);
}

/* Hero distinguishing block */
.hero-distinct {
  margin: 1.5rem 0 2rem;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  max-width: 60ch;
}
.hero-distinct__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.hero-distinct__body {
  font-size: 1.0625rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink);
}

/* Key distinction block (in §03) */
.key-distinction {
  margin: 1rem 0 2rem;
  padding: 1.75rem 2rem;
  background: var(--accent);
  color: #f6f8f1;
  border-radius: 0;
}
.key-distinction__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(246, 248, 241, 0.75);
  margin-bottom: 0.75rem;
}
.key-distinction__body {
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  line-height: 1.5;
  margin: 0;
  color: #f6f8f1;
}
.key-distinction strong { color: #fff; }

/* Topic / criteria lists */
.topics {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.topics li {
  padding: 0.75rem 0;
  border-top: 1px solid var(--rule);
  font-size: 1rem;
  line-height: 1.5;
}
.topics li:last-child { border-bottom: 1px solid var(--rule); }

.modules-intro {
  margin: 1rem 0 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
}
.modules-intro__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.modules-intro__body {
  font-size: 1.0625rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink);
}

.modules {
  list-style: none;
  counter-reset: module;
  padding: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}
.modules > li {
  counter-increment: module;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
  align-items: baseline;
}
.modules > li::before {
  content: counter(module, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  align-self: start;
  padding-top: 0.25rem;
}
.module__title {
  grid-column: 2;
  display: block;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.module__desc {
  grid-column: 2;
  display: block;
  color: var(--ink-muted);
  line-height: 1.5;
}

.outcomes {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}
.outcomes > li {
  position: relative;
  padding: 1rem 0 1rem 2.25rem;
  border-bottom: 1px solid var(--rule);
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.5;
}
.outcomes > li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.125rem;
}
.criteria {
  counter-reset: criterion;
  list-style: none;
  padding: 0;
  margin: 0;
}
.criteria li {
  counter-increment: criterion;
  position: relative;
  padding: 1rem 0 1rem 3rem;
  border-top: 1px solid var(--rule);
  font-size: 1rem;
  line-height: 1.55;
}
.criteria li::before {
  content: counter(criterion, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.criteria li:last-child { border-bottom: 1px solid var(--rule); }

/* Team */
.team {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 1rem;
}
.team-card {
  padding: 1.5rem;
  border: 1px solid var(--rule);
  background: var(--bg);
}
.section--alt .team-card { background: var(--bg); }
.team-card__name {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}
.team-card__role {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.team-card__bio {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.team-note {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Facts list */
.facts {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.facts__row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
}
.facts dt {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}
.facts dd {
  margin: 0;
  font-size: 1rem;
}

/* FAQ */
.faq { margin-top: 1rem; border-top: 1px solid var(--rule); }
.faq__item {
  border-bottom: 1px solid var(--rule);
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 2.5rem 1.25rem 0;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.4;
  position: relative;
  color: var(--ink);
  font-weight: 500;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}
.faq__item[open] summary::after {
  content: "−";
}
.faq__item p {
  padding: 0 2.5rem 1.25rem 0;
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 64ch;
}

/* Apply section */
.section--apply {
  background: var(--accent);
  color: #f6f8f1;
  border-bottom: 0;
}
.section--apply .section-label { color: rgba(246, 248, 241, 0.7); }
.section--apply .section-title { color: #f6f8f1; }
.section--apply .section-lead { color: rgba(246, 248, 241, 0.85); }
.apply__actions { margin: 2rem 0 1.5rem; }
.section--apply .btn--primary {
  background: #f6f8f1;
  color: var(--accent);
  border-color: #f6f8f1;
}
.section--apply .btn--primary:hover,
.section--apply .btn--primary:focus-visible {
  background: #fff;
  border-color: #fff;
  color: var(--accent-hover);
}
.apply__contact {
  font-size: 0.9375rem;
  color: rgba(246, 248, 241, 0.85);
}
.apply__contact .link { color: #f6f8f1; text-decoration: underline; text-underline-offset: 3px; }

/* Generic link */
.link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.link:hover { color: var(--accent-hover); }

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 20;
  background: var(--accent);
  color: #f6f8f1;
  text-decoration: none;
  font-weight: 500;
  padding: 0.85em 1.4em;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(28, 34, 24, 0.18), 0 2px 6px rgba(28, 34, 24, 0.1);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s ease;
}
body.is-scrolled-past-hero .sticky-cta {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
body.is-at-apply .sticky-cta {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}
.sticky-cta:hover,
.sticky-cta:focus-visible { background: var(--accent-hover); color: #fff; }

/* Footer */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--rule);
  padding: 2rem 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.site-footer p { margin: 0; }

/* Mobile rules */
@media (max-width: 720px) {
  .site-nav { gap: 0.75rem; }
  .site-nav__link { display: none; }
  .site-nav__cta { margin-left: 0; }

  .hero__title { font-size: clamp(2rem, 9vw, 2.75rem); }
  .hero__badges { gap: 0.75rem 1.5rem; }
  .hero__actions .btn { flex: 1 1 auto; }

  .facts__row { grid-template-columns: 1fr; gap: 0.25rem; }

  .sticky-cta {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    text-align: center;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Smooth in-page anchors */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  /* Offset for sticky header */
  :target { scroll-margin-top: 80px; }
}