/* African Leadership Bridge — site styles
   Palette is limited to the official forest/gold set plus cream paper. */

:root {
  --forest-ink: #181F1C;
  --forest-deep: #274029;
  --forest-mid: #315C2B;
  --olive: #60712F;
  --gold: #9EA93F;
  --cream: #F4F0E4;
  --paper: #F7F3E8;
  --cream-soft: #EBE6D4;
  --white: #FBF8F0;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --wrap: 1120px;
  --header-h: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--cream);
  background: var(--forest-ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #c4cc6a;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--gold);
  color: var(--forest-ink);
  padding: 0.6rem 1rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(calc(100% - 2.5rem), var(--wrap));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(calc(100% - 2.5rem), 760px);
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(24, 31, 28, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(158, 169, 63, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--gold);
  flex-shrink: 0;
}

.brand:hover {
  color: var(--gold);
}

.brand-mark {
  width: 220px;
  height: auto;
  max-height: 76px;
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--olive);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  margin-inline: auto;
  position: relative;
  transition: transform 0.25s var(--ease);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--cream);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--gold);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--gold);
  padding-bottom: 0.15rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-gold {
  background: var(--gold);
  color: var(--forest-ink);
}

.btn-gold:hover {
  background: #b3bd4f;
  color: var(--forest-ink);
}

.btn-ghost {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}

.btn-ghost:hover {
  background: rgba(158, 169, 63, 0.12);
  color: var(--gold);
}

.btn-ink {
  background: var(--forest-ink);
  color: var(--gold);
}

.btn-ink:hover {
  background: var(--forest-deep);
  color: var(--gold);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0 4.5rem;
  background:
    radial-gradient(ellipse at 18% 10%, rgba(49, 92, 43, 0.35), transparent 42%),
    var(--forest-ink);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.09;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.7fr);
  gap: 3rem;
  align-items: center;
}

.kicker {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}

.hero h1,
.page-hero h1,
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.15rem, 4.8vw, 3.55rem);
  max-width: 20ch;
}

.lede {
  margin: 1.4rem 0 0;
  max-width: 42rem;
  color: #d9d4c4;
  font-size: 1.2rem;
}

.hero-africa,
.hero-visual {
  justify-self: end;
  width: min(100%, 380px);
  position: relative;
  aspect-ratio: 3 / 4;
  min-height: 280px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.hero-visual > img.hero-slide,
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.stat-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3.5rem;
}

.stat-card {
  background: var(--forest-deep);
  border: 1px solid rgba(158, 169, 63, 0.22);
  padding: 1.4rem 1.3rem 1.25rem;
}

.stat-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 560;
  color: var(--gold);
  line-height: 1;
}

.stat-card span {
  display: block;
  margin-top: 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #c9c3a8;
}

/* Page heroes */

.page-hero {
  padding: 4.2rem 0 3.4rem;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(49, 92, 43, 0.28), transparent 45%),
    var(--forest-ink);
  border-bottom: 1px solid rgba(158, 169, 63, 0.16);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  max-width: 16ch;
}

.page-hero .lede {
  color: #d5d0c0;
}

/* Sections */

.section {
  padding: 5rem 0;
}

.section-cream {
  background: var(--cream);
  color: var(--forest-ink);
}

.section-cream a {
  color: var(--forest-mid);
}

.section-cream a:hover {
  color: var(--olive);
}

.section-paper {
  background: var(--paper);
  color: var(--forest-ink);
}

.section-dark {
  background: var(--forest-ink);
  color: var(--cream);
}

.section-deep {
  background: var(--forest-deep);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  font-weight: 520;
  line-height: 1.18;
  margin: 0 0 1.1rem;
  letter-spacing: -0.02em;
}

.section h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 560;
  margin: 0 0 0.6rem;
}

.muted {
  color: var(--olive);
}

.section-cream .muted,
.section-paper .muted {
  color: var(--forest-deep);
  opacity: 0.78;
}

.intro {
  max-width: 40rem;
  margin: 0 0 2.4rem;
}

.intro-wide { max-width: none; }

.bridge {
  display: block;
  width: min(420px, 80%);
  margin: 2.4rem auto;
}

.quote-block {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 0.5rem;
}

.quote-block blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.35;
  color: var(--gold);
  font-weight: 450;
}

.quote-block cite {
  display: block;
  margin-top: 1.1rem;
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest-deep);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--olive);
  font-weight: 700;
}

.section-cream .eyebrow,
.section-paper .eyebrow {
  color: var(--forest-mid);
}

.vision-band > .wrap > p:not(.eyebrow):not(.mission-line) {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.35;
  margin: 0 0 1.2rem;
  max-width: 32ch;
}

.vision-band .mission-line,
.mission-line {
  font-family: var(--font-body);
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--gold);
  font-weight: 600;
  line-height: 1.55;
  margin: 0 0 2.4rem;
  max-width: 42rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.card {
  background: var(--forest-deep);
  border: 1px solid rgba(158, 169, 63, 0.2);
  padding: 1.6rem 1.45rem;
  color: inherit;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

a.card:hover {
  border-color: var(--gold);
  color: var(--cream);
  transform: translateY(-2px);
}

.card h3 {
  color: var(--gold);
}

.card p {
  margin: 0;
  color: #d4cfbf;
}

.card-cream {
  background: var(--white);
  border: 1px solid rgba(96, 113, 47, 0.28);
  color: var(--forest-ink);
}

.card-cream h3 {
  color: var(--forest-ink);
}

.card-cream p,
.card-cream li {
  color: var(--forest-deep);
}

a.card-cream:hover {
  color: var(--forest-ink);
}

.prose p,
.prose li {
  max-width: 42rem;
}

.prose p + p {
  margin-top: 1rem;
}

.quote-inset {
  margin: 2rem 0;
  padding: 0 0 0 1.3rem;
  border-left: 2px solid var(--gold);
}

.quote-inset p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1.4;
  margin: 0;
}

.quote-inset footer {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
}

.board-card {
  background: var(--white);
  border: 1px solid rgba(96, 113, 47, 0.28);
  padding: 1.45rem 1.35rem 1.4rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.board-card h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.25;
}

.board-card h3 a {
  color: var(--forest-ink);
  text-decoration: none;
}

.board-card h3 a:hover {
  color: var(--forest-mid);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.board-office {
  margin: 0 0 0.45rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--forest-mid);
}

.board-role {
  margin: 0.45rem 0 0;
  color: var(--forest-deep);
  font-size: 1rem;
  line-height: 1.45;
}

.partner-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  margin-top: 1.2rem;
}

.video-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 2rem;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--forest-ink);
  border: 1px solid rgba(158, 169, 63, 0.25);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Scholars */

.scholar {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding: 1.8rem 0;
  border-top: 1px solid rgba(96, 113, 47, 0.28);
}

.scholar-mark {
  width: 140px;
  height: 140px;
  background: var(--forest-ink);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.4rem;
}

.scholar-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: center 40%;
}

.alumni-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.2rem 0 0;
}

.chip {
  border: 1px solid rgba(96, 113, 47, 0.4);
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* Impact / campaign */

.toc {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.8rem;
  margin-top: 2rem;
  counter-reset: step;
}

.toc-step {
  position: relative;
  padding: 1.3rem 1rem 1.2rem;
  background: var(--white);
  border-top: 2px solid var(--gold);
}

.toc-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--olive);
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.levels {
  display: grid;
  gap: 0;
  margin-top: 1.5rem;
}

.level {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-top: 1px solid rgba(158, 169, 63, 0.22);
}

.section-cream .level,
.section-paper .level {
  border-top-color: rgba(96, 113, 47, 0.28);
}

.level-amt {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  line-height: 1;
}

.section-cream .level-amt,
.section-paper .level-amt {
  color: var(--forest-mid);
}

.level h3 {
  margin-bottom: 0.35rem;
}

.math-box {
  margin-top: 2rem;
  padding: 1.6rem 1.5rem;
  border: 1px solid rgba(158, 169, 63, 0.28);
  background: rgba(24, 31, 28, 0.35);
}

.section-cream .math-box,
.section-paper .math-box {
  background: var(--white);
  border-color: rgba(96, 113, 47, 0.28);
}

/* Forms */

.form {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.form input,
.form textarea,
.form select {
  font: inherit;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--olive);
  background: var(--white);
  color: var(--forest-ink);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.note {
  font-size: 0.98rem;
}

.contact-meta {
  display: grid;
  gap: 0.35rem;
  margin: 1.2rem 0 0;
}

/* Footer */

.site-footer {
  background: #121815;
  color: #d2ccb8;
  padding: 3.2rem 0 2.2rem;
  border-top: 1px solid rgba(158, 169, 63, 0.16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.site-footer a {
  color: var(--gold);
}

.site-footer p {
  margin: 0 0 0.7rem;
}

.footer-end {
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(96, 113, 47, 0.25);
  font-size: 0.95rem;
  color: #b7b29f;
}

/* Utilities */

.mt-0 { margin-top: 0; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Mobile */

@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.4rem;
    background: var(--forest-ink);
    border-bottom: 1px solid rgba(158, 169, 63, 0.22);
  }

  .site-nav.is-open { display: flex; }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav li a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(96, 113, 47, 0.25);
  }

  .site-nav .btn { margin-top: 1rem; width: 100%; }

  .hero-grid,
  .split,
  .card-grid,
  .card-grid-2,
  .values,
  .board-grid,
  .video-card,
  .toc,
  .footer-grid,
  .scholar,
  .level,
  .stat-row {
    grid-template-columns: 1fr;
  }

  .brand-mark { width: 196px; max-height: 56px; }
  .hero { padding: 3.4rem 0 3rem; }
  .hero-africa,
  .hero-visual { justify-self: start; width: min(240px, 70%); margin-top: -0.5rem; }
  .scholar-mark { width: 88px; height: 88px; font-size: 1.7rem; }
  .scholar-photo { width: 88px; height: 88px; }
  .scholar { grid-template-columns: 88px 1fr; }
}

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


.section-cream .btn-ghost,
.section-paper .btn-ghost {
  color: var(--forest-ink);
  border-color: var(--forest-mid);
}

.section-cream .btn-ghost:hover,
.section-paper .btn-ghost:hover {
  background: rgba(49, 92, 43, 0.08);
  color: var(--forest-ink);
}

.section-cream .stat-card,
.section-paper .stat-card {
  color: var(--cream);
}