/* =========================================================
   Speak Nigeria — shared stylesheet
   Palette drawn from adire (indigo resist-dyed cloth):
   indigo base, saffron joy, palm-green + hibiscus for the
   three offerings, warm paper ground.
   ========================================================= */

:root {
  /* Core */
  --indigo:      #21295C;  /* adire indigo — brand base           */
  --indigo-ink:  #151a3d;  /* deeper indigo — dark sections/text  */
  --saffron:     #E9A82C;  /* warm gold — primary accent / joy    */
  --paper:       #FBF6EC;  /* warm paper — page ground            */
  --paper-2:     #F3ECDC;  /* slightly deeper paper — cards       */
  --ink:         #241F1C;  /* near-black — body text              */

  /* Offering colors (structure = information) */
  --palm:        #2F7A4D;  /* courses  */
  --hibiscus:    #C6385A;  /* games    */
  --sky:         #2E6F9E;  /* videos   */

  /* Derived */
  --ink-soft:    #55504a;
  --line:        #e2d9c6;
  --paper-on-indigo: #efe7d6;

  /* Type */
  --display: "Fraunces", "Noto Serif", Georgia, serif;
  --body: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;

  /* Scale */
  --step--1: clamp(0.83rem, 0.79rem + 0.2vw, 0.94rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.14rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3.1rem);
  --step-4:  clamp(2.6rem, 1.9rem + 3.4vw, 4.6rem);

  --wrap: 1120px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(21,26,61,.06), 0 12px 30px rgba(21,26,61,.08);
}

/* ---------- reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }

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

/* ---------- adire pattern (signature motif) ---------- */
.adire {
  background-color: var(--indigo);
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.14) 2.2px, transparent 2.6px),
    radial-gradient(circle at 0 0,     rgba(255,255,255,.09) 3px,   transparent 3.4px),
    radial-gradient(circle at 100% 100%, rgba(255,255,255,.09) 3px, transparent 3.4px);
  background-size: 34px 34px, 34px 34px, 34px 34px;
  background-position: 0 0, 0 0, 0 0;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: 0.85rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--indigo); color: var(--saffron);
  font-family: var(--display); font-weight: 600; font-size: 1.25rem;
  flex: none;
}
.brand-name { font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--indigo); letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 0.35rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  text-decoration: none; color: var(--ink); font-weight: 500; font-size: var(--step--1);
  padding: 0.5rem 0.7rem; border-radius: 8px;
}
.nav-links a:hover { background: var(--paper-2); }
.nav-links a[aria-current="page"] { color: var(--indigo); background: var(--paper-2); }
.nav-cta {
  text-decoration: none; font-weight: 600; font-size: var(--step--1);
  background: var(--indigo); color: var(--paper);
  padding: 0.55rem 1rem; border-radius: 999px;
}
.nav-cta:hover { background: var(--indigo-ink); }

.nav-toggle { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--body); font-weight: 600; font-size: var(--step-0);
  text-decoration: none; cursor: pointer;
  padding: 0.8rem 1.4rem; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform .12s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--saffron); color: var(--indigo-ink); }
.btn-primary:hover { background: #f0b544; }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(239,231,214,.4); }
.btn-ghost:hover { border-color: var(--paper); }
.btn-dark { background: var(--indigo); color: var(--paper); }
.btn-dark:hover { background: var(--indigo-ink); }

/* ---------- hero ---------- */
.hero { color: var(--paper-on-indigo); position: relative; overflow: hidden; }
.hero-inner { padding-block: clamp(3.5rem, 8vw, 6.5rem); text-align: center; }
.greeting {
  font-family: var(--display); font-weight: 600;
  font-size: var(--step-4); color: #fff; line-height: 1;
  margin-bottom: 0.35rem;
}
.greeting-sub {
  font-size: var(--step--1); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--saffron); min-height: 1.4em;
}
.hero h1 {
  color: #fff; font-size: var(--step-3);
  max-width: 20ch; margin: 1.4rem auto 0.9rem;
}
.hero p.lede { max-width: 52ch; margin: 0 auto 2rem; color: var(--paper-on-indigo); font-size: var(--step-1); line-height: 1.5; }
.hero-actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }

/* ---------- sections ---------- */
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section-tight { padding-block: clamp(2rem, 5vw, 3.5rem); }
.eyebrow {
  font-size: var(--step--1); font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--palm); margin-bottom: 0.6rem;
}
.section h2 { font-size: var(--step-3); max-width: 18ch; }
.section .intro { max-width: 60ch; margin-top: 1rem; color: var(--ink-soft); font-size: var(--step-1); }

/* ---------- offering cards ---------- */
.cards { display: grid; gap: 1.25rem; margin-top: 2.5rem; grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; display: flex; flex-direction: column; gap: 0.7rem;
  box-shadow: var(--shadow);
}
.card .tag {
  align-self: flex-start; font-size: var(--step--1); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.3rem 0.7rem; border-radius: 999px;
}
.tag.courses { background: color-mix(in srgb, var(--palm) 14%, #fff); color: var(--palm); }
.tag.games   { background: color-mix(in srgb, var(--hibiscus) 12%, #fff); color: var(--hibiscus); }
.tag.videos  { background: color-mix(in srgb, var(--sky) 12%, #fff); color: var(--sky); }
.card h3 { font-size: var(--step-2); }
.card p { color: var(--ink-soft); }
.card .card-link { margin-top: auto; font-weight: 600; text-decoration: none; color: var(--indigo); display: inline-flex; gap: .35rem; }
.card .card-link:hover { gap: .6rem; }
.card.accent-courses { border-top: 4px solid var(--palm); }
.card.accent-games   { border-top: 4px solid var(--hibiscus); }
.card.accent-videos  { border-top: 4px solid var(--sky); }

/* ---------- language strip ---------- */
.lang-strip { border-block: 1px solid var(--line); background: var(--paper-2); }
.lang-strip .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1.5rem; padding-block: 1.5rem; justify-content: center; }
.lang-strip .label { font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-soft); font-weight: 600; }
.lang-chip { font-family: var(--display); font-size: var(--step-1); color: var(--indigo); }
.lang-chip + .lang-chip::before { content: "·"; color: var(--saffron); margin-right: 1.5rem; margin-left: -0.75rem; }

/* ---------- split (about / mission) ---------- */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; }
.mission-quote {
  font-family: var(--display); font-size: var(--step-2); line-height: 1.3;
  color: var(--indigo); border-left: 4px solid var(--saffron); padding-left: 1.3rem;
}
.stat-row { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.stat .n { font-family: var(--display); font-size: var(--step-3); color: var(--indigo); line-height: 1; }
.stat .l { font-size: var(--step--1); color: var(--ink-soft); }

/* ---------- band CTA ---------- */
.band { color: var(--paper); text-align: center; border-radius: 20px; padding: clamp(2.5rem,5vw,4rem); }
.band h2 { color: #fff; font-size: var(--step-3); max-width: 22ch; margin-inline: auto; }
.band p { max-width: 48ch; margin: 1rem auto 2rem; color: var(--paper-on-indigo); }

/* ---------- content pages (prose) ---------- */
.page-head { padding-block: clamp(3rem, 6vw, 4.5rem) clamp(1.5rem,3vw,2.5rem); }
.page-head .eyebrow { color: var(--saffron); }
.page-head h1 { font-size: var(--step-4); color: var(--indigo); max-width: 16ch; }
.prose { max-width: 68ch; }
.prose h2 { font-size: var(--step-2); color: var(--indigo); margin-top: 2.6rem; }
.prose h3 { font-size: var(--step-1); color: var(--indigo); margin-top: 1.8rem; }
.prose p { margin-top: 1rem; color: var(--ink); }
.prose ul { margin-top: 1rem; padding-left: 1.2rem; color: var(--ink); }
.prose li { margin-top: 0.4rem; }
.prose a { color: var(--palm); text-underline-offset: 3px; }

/* value grid for about */
.values { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; margin-top: 2rem; }
.value { background: var(--paper-2); border-radius: var(--radius); padding: 1.4rem; }
.value h3 { font-family: var(--display); font-size: var(--step-1); color: var(--indigo); margin-bottom: 0.4rem; }
.value p { color: var(--ink-soft); font-size: var(--step-0); }

/* resource list */
.res-list { display: grid; gap: 1.25rem; margin-top: 2rem; }
.res {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1.2rem; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem;
}
.res .dot { width: 12px; height: 12px; border-radius: 50%; }
.res .dot.courses { background: var(--palm); }
.res .dot.games { background: var(--hibiscus); }
.res .dot.videos { background: var(--sky); }
.res h3 { font-family: var(--display); font-size: var(--step-1); color: var(--indigo); }
.res p { color: var(--ink-soft); font-size: var(--step-0); margin-top: 0.2rem; }
.res .res-cta { text-decoration: none; font-weight: 600; color: var(--indigo); white-space: nowrap; }
.res .res-cta:hover { color: var(--saffron); }

/* ---------- footer ---------- */
.site-footer { color: var(--paper-on-indigo); margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; padding-block: 3rem 2rem; }
.site-footer .brand-name { color: #fff; }
.site-footer p { color: var(--paper-on-indigo); font-size: var(--step--1); margin-top: 0.8rem; max-width: 34ch; }
.footer-col h4 { font-family: var(--body); font-size: var(--step--1); text-transform: uppercase; letter-spacing: 0.12em; color: var(--saffron); margin: 0 0 0.8rem; }
.footer-col a { display: block; text-decoration: none; color: var(--paper-on-indigo); font-size: var(--step-0); padding: 0.25rem 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(239,231,214,.18); padding-block: 1.4rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: var(--step--1); color: var(--paper-on-indigo); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .cards, .values { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links, .nav > .nav-cta { display: none; }
  .nav-toggle {
    display: inline-grid; place-items: center; width: 44px; height: 44px;
    background: transparent; border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: ""; display: block; width: 20px; height: 2px; background: var(--indigo); position: relative;
  }
  .nav-toggle span::before { position: absolute; top: -6px; }
  .nav-toggle span::after { position: absolute; top: 6px; }
  .mobile-menu { display: none; padding: 0.5rem 0 1rem; border-top: 1px solid var(--line); }
  .mobile-menu.open { display: block; }
  .mobile-menu a { display: block; text-decoration: none; color: var(--ink); font-weight: 500; padding: 0.7rem 0.3rem; }
  .mobile-menu a:hover { color: var(--indigo); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .res { grid-template-columns: 1fr; gap: 0.6rem; text-align: left; }
}

/* ---------- accessibility ---------- */
:focus-visible { outline: 3px solid var(--saffron); outline-offset: 2px; border-radius: 4px; }
.skip {
  position: absolute; left: -9999px; top: 0; background: var(--indigo); color: #fff;
  padding: 0.7rem 1rem; border-radius: 0 0 8px 0; z-index: 100;
}
.skip:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .greeting-sub { transition: none; }
}