/* ============ TOKENS ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1200px;

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', sans-serif;

  /* brand constants (used in both modes) */
  --navy: #13294b;
  --navy-deep: #0c1d38;
  --gold: #c9a227;
  --gold-lt: #e3b65b;
  --cream: #f7f4ec;
}

:root,
[data-theme='light'] {
  --color-bg: #f7f4ec;
  --color-surface: #fcfaf4;
  --color-surface-2: #f2eee2;
  --color-border: #e0d9c6;
  --color-divider: #e8e2d2;
  --color-text: #1e2b45;
  --color-text-muted: #4a5670;
  --color-text-faint: #8b94a8;
  --color-primary: #13294b;
  --color-primary-hover: #0c1d38;
  --color-gold: #a07f16;
  --color-gold-strong: #c9a227;
  --shadow-sm: 0 1px 2px oklch(0.3 0.03 260 / 0.07);
  --shadow-md: 0 4px 14px oklch(0.3 0.03 260 / 0.1);
  --shadow-lg: 0 14px 36px oklch(0.3 0.03 260 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #0c1729;
  --color-surface: #12213a;
  --color-surface-2: #0f1c32;
  --color-border: #2a3b58;
  --color-divider: #1d2c47;
  --color-text: #e7e4da;
  --color-text-muted: #a7b0c2;
  --color-text-faint: #6d7891;
  --color-primary: #e3b65b;
  --color-primary-hover: #f0c977;
  --color-gold: #e3b65b;
  --color-gold-strong: #e3b65b;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.5);
}

/* ============ LAYOUT PRIMITIVES ============ */
.container {
  width: min(var(--content-wide), 100% - clamp(2rem, 6vw, 5rem));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--offset {
  background: var(--color-surface-2);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--navy);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus {
  left: 0;
}

/* ============ TYPE ============ */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.eyebrow--gold {
  color: var(--gold-lt);
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
}
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
}

.section-head {
  max-width: 60ch;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head__note {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--navy) l c h / 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid oklch(from var(--gold-lt) l c h / 0.25);
}
.header__inner {
  width: min(var(--content-wide), 100% - clamp(2rem, 6vw, 5rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.brand img {
  border-radius: var(--radius-full);
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: #fff;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2.5vw, var(--space-8));
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: oklch(from var(--cream) l c h / 0.85);
  text-decoration: none;
}
.nav a:hover {
  color: var(--gold-lt);
}
.nav__cta {
  padding: var(--space-2) var(--space-5);
  border: 1.5px solid var(--gold-lt);
  border-radius: var(--radius-full);
  color: var(--gold-lt) !important;
}
.nav__cta:hover {
  background: var(--gold-lt);
  color: var(--navy) !important;
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  color: var(--gold-lt);
  border: 1px solid oklch(from var(--gold-lt) l c h / 0.35);
}
.theme-toggle:hover {
  background: oklch(from var(--gold-lt) l c h / 0.15);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-2);
}
.menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream);
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}
.menu-btn[aria-expanded='true'] span:first-child {
  transform: translateY(4px) rotate(45deg);
}
.menu-btn[aria-expanded='true'] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-2) clamp(1rem, 3vw, 2.5rem) var(--space-5);
  background: var(--navy);
  border-bottom: 1px solid oklch(from var(--gold-lt) l c h / 0.25);
}
.mobile-nav a {
  padding: var(--space-3) 0;
  color: var(--cream);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid oklch(from var(--cream) l c h / 0.08);
}
.mobile-nav a:hover {
  color: var(--gold-lt);
}
.mobile-nav.is-open {
  display: flex;
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .menu-btn {
    display: flex;
  }
}

/* ============ HERO ============ */
.hero {
  background:
    radial-gradient(1100px 520px at 82% 8%, oklch(from #1d3a66 l c h / 0.85), transparent 65%),
    linear-gradient(175deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--cream);
}
.hero__inner {
  width: min(var(--content-wide), 100% - clamp(2rem, 6vw, 5rem));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}
.hero h1 {
  color: #fff;
  max-width: 16ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold-lt);
}
.hero__lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  line-height: 1.55;
  color: oklch(from var(--cream) l c h / 0.88);
  max-width: 52ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.hero__seal {
  justify-self: center;
}
.hero__seal img {
  width: clamp(220px, 26vw, 400px);
  filter: drop-shadow(0 24px 48px oklch(0 0 0 / 0.45));
}
.hero__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4) var(--space-6);
  padding: var(--space-5) clamp(1rem, 4vw, 3rem);
  background: var(--navy-deep);
  border-top: 1px solid oklch(from var(--gold-lt) l c h / 0.3);
}
.hero__strip span {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-lt);
}
.hero__strip i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: oklch(from var(--gold-lt) l c h / 0.5);
}

@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__seal {
    order: -1;
  }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
  min-height: 44px;
}
.btn--gold {
  background: var(--gold-lt);
  color: var(--navy-deep);
}
.btn--gold:hover {
  background: #f0c977;
  transform: translateY(-1px);
}
.btn--ghost {
  border: 1.5px solid oklch(from var(--gold-lt) l c h / 0.6);
  color: var(--gold-lt);
}
.btn--ghost:hover {
  background: oklch(from var(--gold-lt) l c h / 0.12);
}
.btn--navy {
  background: var(--navy);
  color: var(--cream);
}
.btn--navy:hover {
  background: var(--navy-deep);
  transform: translateY(-1px);
}
[data-theme='dark'] .btn--navy {
  background: var(--gold-lt);
  color: var(--navy-deep);
}
[data-theme='dark'] .btn--navy:hover {
  background: #f0c977;
}

/* ============ ABOUT ============ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: start;
}
.about__statement h2 {
  max-width: 18ch;
}
.about__body p + p {
  margin-top: var(--space-4);
}
.about__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.about__facts li {
  flex: 1 1 140px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-sm);
}
.about__facts strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}
.about__facts span {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
}

/* ============ PROGRAM CARDS ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(var(--space-5), 2.5vw, var(--space-8));
}
@media (min-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card__media {
  aspect-ratio: 16 / 8.5;
  overflow: hidden;
  border-bottom: 3px solid var(--gold);
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover .card__media img {
  transform: scale(1.04);
}
.card__body {
  padding: clamp(var(--space-5), 2vw, var(--space-8));
}
.card__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-gold);
}
.card__body h3 {
  margin-top: var(--space-2);
  font-size: var(--text-xl);
  color: var(--color-text);
}
.card__body p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
}

/* ============ WHY JOIN ============ */
.join__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: center;
}
.perks {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-4);
}
.perks li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: 600;
}
.perks__check {
  color: var(--color-gold);
  font-weight: 700;
}
.join__card {
  background: var(--navy);
  color: var(--cream);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 3vw, var(--space-12));
  box-shadow: var(--shadow-lg);
  border: 1px solid oklch(from var(--gold-lt) l c h / 0.3);
}
.join__card h3 {
  color: #fff;
  font-size: var(--text-xl);
}
.join__card > p {
  margin-top: var(--space-3);
  color: oklch(from var(--cream) l c h / 0.85);
}
.join__card .btn {
  margin-top: var(--space-6);
  width: 100%;
}
[data-theme='light'] .join__card .btn--navy {
  background: var(--gold-lt);
  color: var(--navy-deep);
}
[data-theme='light'] .join__card .btn--navy:hover {
  background: #f0c977;
}
.join__alt {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: oklch(from var(--cream) l c h / 0.75);
}
.join__alt a {
  color: var(--gold-lt);
  font-weight: 600;
}

@media (max-width: 860px) {
  .join__grid {
    grid-template-columns: 1fr;
  }
}

/* ============ LEADERSHIP ============ */
.people {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(var(--space-5), 2.5vw, var(--space-8));
  max-width: 800px;
}
.person {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.person__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--navy);
  color: var(--gold-lt);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  border: 2px solid var(--gold);
}
.person h3 {
  font-size: var(--text-lg);
}
.person p {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 2px;
}
.person a {
  display: inline-block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.person a:hover {
  color: var(--color-primary);
}

/* ============ CTA ============ */
.cta {
  background:
    radial-gradient(900px 400px at 18% 100%, oklch(from #1d3a66 l c h / 0.8), transparent 65%),
    linear-gradient(3deg, var(--navy-deep), var(--navy));
  color: var(--cream);
  padding-block: clamp(var(--space-20), 9vw, var(--space-32));
  text-align: center;
}
.cta h2 {
  color: #fff;
}
.cta p {
  margin: var(--space-4) auto 0;
  color: oklch(from var(--cream) l c h / 0.85);
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--navy-deep);
  color: oklch(from var(--cream) l c h / 0.8);
  border-top: 1px solid oklch(from var(--gold-lt) l c h / 0.25);
  padding-block: var(--space-12);
}
.footer__inner {
  display: grid;
  gap: var(--space-8);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.footer__brand img {
  border-radius: var(--radius-full);
}
.footer__brand strong {
  display: block;
  font-family: var(--font-display);
  color: #fff;
}
.footer__brand span {
  font-size: var(--text-xs);
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer__nav a {
  color: oklch(from var(--cream) l c h / 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
}
.footer__nav a:hover {
  color: var(--gold-lt);
}
.footer__note {
  font-size: var(--text-xs);
  color: oklch(from var(--cream) l c h / 0.55);
}
@media (min-width: 720px) {
  .footer__inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
  .footer__nav {
    justify-content: center;
  }
}

/* ============ REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}