:root {
  --ink: #014300;
  --ink-2: #007918;
  --gold: #e4b754;
  --gold-soft: #ffecbd;
  --paper: #faf8f3;
  --tint: #f0ece1;
  --text: #2a442b;
  --muted: #758476;
  --nav-h: 72px;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  font-family: "Figtree", system-ui, sans-serif;
  color: var(--text);
  background: var(--paper);
  line-height: 1.65;
}
h1,
h2,
h3,
.navbar-brand,
.footer-brand {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--ink);
}
a {
  color: var(--ink-2);
}
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}
p {
  max-width: 68ch;
}

/* nav */
.site-nav {
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
  min-height: var(--nav-h);
}
.site-nav.scrolled {
  background: var(--ink);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}
.navbar-brand {
  color: #fff;
  font-size: 1.6rem;
}
.navbar-brand:hover {
  color: var(--gold-soft);
}
.site-nav .nav-link {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
  padding: 0.5rem 0.9rem;
}
.site-nav .nav-link:hover,
.site-nav .nav-link.active {
  color: var(--gold);
}
.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}
.navbar-toggler-icon {
  filter: invert(1);
}

/* buttons */
.btn-gold {
  background: var(--gold);
  color: var(--ink);
  font-weight: 600;
  border: 0;
}
.btn-gold:hover,
.btn-gold:focus {
  background: var(--gold-soft);
  color: var(--ink);
}

/* hero */
.hero {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 2rem) 0 4rem;
  color: #fff;
  background: url(../assets/summit.jpg);
  position: relative;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(18, 22, 58, 0.6) 0%,
    rgba(18, 22, 58, 0.9) 100%
  );
}
.hero h1 {
  color: #fff;
  line-height: 1.05;
}
.hero-meta {
  color: var(--gold-soft);
  font-weight: 500;
  margin-bottom: 1rem;
}
.hero-lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 52ch;
  margin-top: 1.25rem;
}
.countdown-panel {
  border: 1px solid rgba(201, 162, 75, 0.5);
  border-radius: 6px;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.04);
}
.countdown-label {
  color: var(--gold-soft);
  margin-bottom: 1rem;
}
.cd-num {
  display: block;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cd-unit {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 0.35rem;
}
.countdown-anchor {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-style: italic;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}
.countdown-anchor span {
  display: block;
  font-style: normal;
  color: var(--gold-soft);
  margin-top: 0.25rem;
}

/* sections */
.section {
  padding: 5.5rem 0;
}
.section-tint {
  background: var(--tint);
}
.section-dark {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.88);
}
.section-dark h2 {
  color: #fff;
}
.section-head {
  margin-bottom: 2.5rem;
}
.section-head p {
  color: var(--muted);
  font-size: 1.1rem;
}

/* features: ruled list rather than boxed cards */
.feature-item {
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-top: 2px solid var(--ink);
}
.feature-item h3 {
  font-size: 1.25rem;
  color: var(--ink);
}
.feature-item p {
  color: var(--muted);
  margin: 0;
}
@media (min-width: 768px) {
  .feature-item {
    padding-right: 2.5rem;
  }
}

/* about */
.eee-term {
  border-left: 3px solid var(--gold);
  padding-left: 0.9rem;
}
.eee-term strong {
  display: block;
  color: var(--ink);
  font-family: "Fraunces", serif;
}
.eee-term span {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.4;
  display: block;
}
.chart-box {
  background: #fff;
  border-radius: 6px;
  padding: 1.75rem;
  border: 1px solid #e3ddc9;
}
.urban-chart {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  height: 260px;
  margin-top: 1.5rem;
}
.ubar {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  text-align: center;
}
.ubar-fill {
  background: var(--ink);
  height: 0;
  border-radius: 3px 3px 0 0;
  transition: height 1.1s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.ubar.proj .ubar-fill {
  background: repeating-linear-gradient(
    45deg,
    var(--gold),
    var(--gold) 8px,
    var(--gold-soft) 8px,
    var(--gold-soft) 16px
  );
}
.ubar-val {
  font-family: "Fraunces", serif;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.ubar-year {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* events */
.video-wrap {
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 3/2;
  box-shadow: 0 12px 30px rgba(18, 22, 58, 0.22);
}
.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.day-tabs .nav-link {
  color: var(--ink);
  font-weight: 600;
  border: 1px solid var(--ink);
  margin-right: 0.5rem;
  border-radius: 4px;
}
.day-tabs .nav-link.active {
  background: var(--ink);
  color: #fff;
}
.day-panel h3 {
  font-size: 1.5rem;
  color: var(--ink);
}
.day-focus {
  color: var(--muted);
}
.day-panel ul {
  padding-left: 1.1rem;
}
.day-panel li {
  margin-bottom: 0.35rem;
}
.day-outcome {
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
  margin-top: 1.25rem;
  font-size: 0.95rem;
}
.tag {
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.92rem;
  transition: background 0.2s, color 0.2s;
}
.tag:hover {
  background: var(--ink);
  color: #fff;
}

/* founder */
.founder-avatar {
  width: clamp(140px, 22vw, 200px);
  aspect-ratio: 1;
  border-radius: 50%;
  margin: auto;
  display: grid;
  place-items: center;
  font-family: "Fraunces", serif;
  font-size: 3.5rem;
  color: var(--ink);
  background: url(../assets/Samuel_Ayodele.jpg);
  background-size: cover;
  background-position: center;
}
.founder-role {
  color: var(--gold-soft);
  font-weight: 500;
}
.founder-quote {
  border-left: 3px solid var(--gold);
  padding-left: 1.25rem;
  margin: 1.75rem 0 0;
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  color: #fff;
  max-width: 56ch;
}

/* contact */
.contact-list li {
  margin-bottom: 1rem;
}
.contact-list strong {
  display: block;
  color: var(--ink);
  font-size: 0.9rem;
}
.contact-form {
  background: #fff;
  border: 1px solid #e3ddc9;
  border-radius: 6px;
  padding: 1.75rem;
}
.form-label {
  font-weight: 600;
  color: var(--ink);
}

/* footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 2.5rem 0;
}
.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--gold);
}
.footer-brand {
  font-size: 1.5rem;
  color: #fff;
  display: block;
}

.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--gold);
  color: var(--ink);
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  z-index: 1030;
}

@media (max-width: 991.98px) {
  .site-nav {
    background: var(--ink);
  }
  .section {
    padding: 4rem 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ubar-fill {
    transition: none;
  }
}