/* Hacktoberfest Cameroon 2026 — styled after osscameroon.com
   Palette and type pulled from the live OSS Cameroon site:
   navy #1B3F8F, accent blue #0090F0 / #3b76ef, Space Grotesk + JetBrains Mono. */

:root {
  color-scheme: light;
  --navy: #1B3F8F;
  --navy-deep: #142f6b;
  --ink: #101828;
  --muted: #5B6B87;
  --blue: #0090F0;
  --blue-2: #3b76ef;
  --blue-text: #0066C0; /* accessible blue for text: >= 5:1 on --bg, --surface and --tint */
  --bg: #ffffff;
  --surface: #F7F9FC;
  --tint: #EAF2FE;
  --tint-strong: #CBDCFA;
  --border: #DCE4F0;
  --white: #ffffff;
  --shadow: 0 8px 24px rgba(16, 24, 40, .1);
  --shadow-lg: 0 16px 40px rgba(16, 24, 40, .16);
  --radius-card: 22px;
  --radius-pill: 999px;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  color: var(--ink);
}

p { margin: 0; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-text);
  font-weight: 600;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: auto;
  flex: none;
  object-fit: contain;
}

.brand small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14.5px;
  font-weight: 500;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color .15s ease;
}

.nav-links a:hover, .nav-links a:focus-visible { color: var(--navy); }

.nav-ctas { display: flex; gap: 10px; flex: none; }

.nav-toggle {
  display: none;
  flex: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  padding: 0;
}

.nav-toggle:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  padding: 11px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.btn-solid { background: var(--navy); color: var(--white); }
.btn-solid:hover { background: var(--blue-text); }

.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-ghost { background: transparent; color: var(--blue-text); border-color: var(--tint-strong); }
.btn-ghost:hover { background: var(--tint); }

.btn-sm { padding: 7px 16px; font-size: 13px; }
.lang-toggle { font-family: var(--font-mono); min-width: 3.4em; }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 56px;
  background:
    radial-gradient(720px 360px at 82% -10%, var(--tint) 0%, transparent 60%),
    var(--bg);
}

.hero-inner { display: grid; gap: 22px; max-width: 780px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  background: var(--tint);
  border: 1px solid var(--tint-strong);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .03em;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
}

.hero h1 {
  font-size: clamp(34px, 5.4vw, 58px);
  letter-spacing: -.02em;
}

.hero .lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 60ch;
}

.hero .promise {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  color: var(--navy);
  border-left: 3px solid var(--blue);
  padding-left: 16px;
}

.hero .promise span { display: block; color: var(--ink); font-weight: 500; font-size: .82em; margin-top: 4px; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--navy);
}

.stat span { font-size: 13px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section--tint { background: var(--surface); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.section-head h2 { font-size: clamp(24px, 3vw, 32px); }
.section-head p { color: var(--muted); font-size: 15px; max-width: 56ch; margin-top: 8px; }

/* ---------- Organisers strip ---------- */
.orgs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 20px 0 0;
}

.orgs .label { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

.chip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}
a.chip:hover { border-color: var(--blue); }
a.chip:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* ---------- Grid cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--tint);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }

.track-card { border-top: 4px solid var(--blue); }
.track-card.build { border-top-color: var(--navy); }
.track-card.ai { border-top-color: var(--blue-2); }

.track-card .badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- Roadmap stepper ---------- */
.roadmap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
}

.roadmap::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--border);
}

.step { position: relative; padding: 0 10px; text-align: left; }

.step .dot {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--navy);
  color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  position: relative; z-index: 1;
  margin-bottom: 14px;
}

.step.is-final .dot { background: var(--navy); color: var(--white); }

.step .date { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.step h4 { font-size: 15.5px; margin: 4px 0 4px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- Programme weeks ---------- */
.week {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}

.week summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.week summary::-webkit-details-marker { display: none; }

.week-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
}

.week summary .title { flex: 1; min-width: 200px; }
.week summary h3 { font-size: 18px; margin-bottom: 2px; }
.week summary .dates { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }

.week .chevron {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy);
  flex: none;
  transition: transform .2s ease;
}

.week[open] .chevron { transform: rotate(45deg); }

.week-body { padding: 0 26px 28px; border-top: 1px solid var(--border); }
.week-body > * + * { margin-top: 22px; }
.week-body h4 { font-size: 14.5px; margin: 22px 0 10px; color: var(--navy); }
.week-body h4:first-child { margin-top: 22px; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; }

table { border-collapse: collapse; width: 100%; font-size: 13.8px; min-width: 560px; }
thead th {
  background: var(--tint);
  color: var(--navy);
  text-align: left;
  font-weight: 700;
  padding: 10px 14px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  white-space: nowrap;
}
tbody td { padding: 10px 14px; border-top: 1px solid var(--border); vertical-align: top; }
tbody td:first-child { font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--muted); }
tbody td:last-child { white-space: nowrap; color: var(--muted); font-size: 13px; }

.sprint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
}
.sprint p { font-size: 14px; }
.sprint ul { margin: 10px 0 0; padding-left: 20px; font-size: 14px; color: var(--muted); }
.sprint li + li { margin-top: 6px; }

.quote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  border-left: 3px solid var(--blue);
  padding-left: 14px;
}

/* ---------- Contribute track ---------- */
.status-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--tint);
  border: 1px solid var(--tint-strong);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 13.8px;
  color: var(--navy);
  margin-bottom: 30px;
}

.project-card { display: flex; flex-direction: column; gap: 10px; }

.project-card .top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.project-card .flag { font-size: 20px; }

.project-card a.name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  color: var(--ink);
}
.project-card a.name:hover { color: var(--blue-text); }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }

.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}

.tag.level { background: var(--tint); border-color: var(--tint-strong); color: var(--navy); }

.project-card .why { font-size: 13.5px; color: var(--muted); }

.org-pool {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.org-pool .item {
  display: block;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--bg);
  text-decoration: none;
  transition: border-color .15s ease, transform .1s ease;
}
.org-pool a.item:hover { border-color: var(--blue); }
.org-pool a.item:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.org-pool .item b { display: block; font-size: 14px; font-family: var(--font-display); color: var(--ink); }
.org-pool .item span { font-size: 12.5px; color: var(--muted); }

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.skill-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13.5px;
  background: var(--bg);
}
.skill-row .who { font-weight: 700; font-family: var(--font-mono); font-size: 12px; color: var(--navy); white-space: nowrap; }
.skill-row .what { color: var(--muted); text-align: right; }

/* ---------- Activities / hubs ---------- */
.hub-card { display: flex; flex-direction: column; gap: 14px; }
.hub-card ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.hub-card li + li { margin-top: 6px; }
.slot-row { display: flex; gap: 10px; flex-wrap: wrap; }
.slot {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--tint);
  color: var(--navy);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}

/* ---------- Awards ---------- */
.awards { display: flex; flex-wrap: wrap; gap: 12px; }
.award {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.award .dot2 { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); flex: none; }

/* ---------- Get involved (CTA band) ---------- */
.cta-band {
  background: var(--navy);
  color: var(--white);
  border-radius: 28px;
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); font-size: clamp(22px, 3vw, 30px); }
.cta-band p { color: #C9D6F2; margin-top: 10px; max-width: 46ch; }
.cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn-solid { background: var(--white); color: var(--navy); }
.cta-band .btn-solid:hover { background: var(--blue-text); color: var(--white); }
.cta-band .btn-outline { border-color: rgba(255,255,255,.5); color: var(--white); }
.cta-band .btn-outline:hover { background: var(--white); color: var(--navy); }

/* ---------- Footer ---------- */
footer { background: var(--navy-deep); color: #C9D6F2; padding: 60px 0 26px; }

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.foot-brand .brand { color: var(--white); }
.foot-brand .brand-mark {
  background: #ffffff;
  border-radius: 50%;
  padding: 6px;
  box-sizing: border-box;
}
.foot-brand small { color: #8DA3D6; }
.foot-brand p { margin-top: 14px; font-size: 13.8px; color: #A9BBE3; max-width: 34ch; }

.foot-col h5 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #8DA3D6;
  margin: 0 0 14px;
}
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot-col a { text-decoration: none; color: #C9D6F2; font-size: 14px; }
.foot-col a:hover { color: var(--white); }

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  font-size: 13px;
  color: #8DA3D6;
}
.foot-bottom .legal { display: flex; gap: 16px; }
.foot-bottom a { text-decoration: none; color: #8DA3D6; }
.foot-bottom a:hover { color: var(--white); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .org-pool { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: repeat(5, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 10px 24px 22px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    /* delay visibility so links stay visible while the menu animates closed */
    transition: max-height .25s ease, opacity .2s ease, visibility 0s linear .25s;
  }

  .nav-menu.is-open {
    max-height: 420px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: max-height .25s ease, opacity .2s ease, visibility 0s;
  }

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

  .nav-links a {
    display: block;
    padding: 12px 2px;
    font-size: 15.5px;
    border-top: 1px solid var(--border);
  }

  .nav-links li:first-child a { border-top: none; }

  .nav-ctas {
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
  }

  .nav-ctas .btn { width: 100%; }
}

@media (max-width: 720px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: 1fr; gap: 24px; }
  .roadmap::before { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 32px; flex-direction: column; align-items: flex-start; }
  .foot-grid { grid-template-columns: 1fr; }
}