/* NEXT — Africa's Intelligent Future ----------------------------------------- */
:root {
  --purple:        #140035;
  --purple-deep:   #0A0020;
  --purple-mid:    #1F0A4A;
  --purple-line:   #2A1259;
  --mint:          #00FC8F;
  --mint-soft:     rgba(0, 252, 143, 0.14);
  --mint-line:     rgba(0, 252, 143, 0.28);
  --gold:          #FFB400;
  --gold-soft:     rgba(255, 180, 0, 0.16);
  --white:         #FFFFFF;
  --tint:          #F0FAF5;
  --ink-on-light:  #0A0020;
  --muted-on-dark: #8A7AB0;
  --muted-on-light:#5B5470;
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;
  --shadow-mint: 0 0 0 1px var(--mint-line), 0 20px 60px -20px rgba(0,252,143,0.35);
  --shadow-gold: 0 0 0 1px rgba(255,180,0,0.3), 0 20px 60px -20px rgba(255,180,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Space Grotesk', 'Inter', Helvetica, Arial, sans-serif;
  font-feature-settings: 'ss01';
  background: var(--purple);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 16px; }

/* Type ----------------------------------------------------------------------- */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 500;
}
.eyebrow.gold { color: var(--gold); }
.eyebrow.dark { color: var(--purple); }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.h-display { font-size: clamp(44px, 7vw, 104px); line-height: 0.98; letter-spacing: -0.035em; }
.h-1       { font-size: clamp(36px, 5vw, 72px);  line-height: 1.02; letter-spacing: -0.03em; }
.h-2       { font-size: clamp(28px, 3.4vw, 48px); line-height: 1.05; }
.h-3       { font-size: clamp(20px, 1.8vw, 28px); line-height: 1.15; }
.lede      { font-size: clamp(17px, 1.4vw, 22px); line-height: 1.5; color: rgba(255,255,255,0.78); max-width: 60ch; text-wrap: pretty; }
.body      { font-size: 16px; line-height: 1.6; color: rgba(255,255,255,0.78); }
.body.dark { color: var(--muted-on-light); }

.mono {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* Layout --------------------------------------------------------------------- */
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .wrap { padding: 0 40px; } }

.section { padding: 96px 0; position: relative; }
.section.tight { padding: 64px 0; }
.section.dark  { background: var(--purple); color: var(--white); }
.section.deep  { background: var(--purple-deep); color: var(--white); }
.section.light { background: var(--tint); color: var(--ink-on-light); }
.section.white { background: var(--white); color: var(--ink-on-light); }

@media (max-width: 720px) { .section { padding: 64px 0; } }

/* Buttons -------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  font-weight: 600; font-size: 16px;
  border-radius: 999px;
  letter-spacing: -0.01em;
  transition: transform .15s ease, box-shadow .25s ease, background .2s ease;
  white-space: nowrap;
  min-height: 52px;
}
.btn .arr { display: inline-block; transition: transform .25s ease; }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary {
  background: var(--mint); color: var(--purple);
  box-shadow: 0 0 0 1px var(--mint), 0 10px 30px -10px rgba(0,252,143,0.5);
}
.btn-primary:hover { box-shadow: 0 0 0 1px var(--mint), 0 16px 40px -10px rgba(0,252,143,0.7); transform: translateY(-1px); }
.btn-gold {
  background: var(--gold); color: var(--purple);
  box-shadow: 0 0 0 1px var(--gold), 0 10px 30px -10px rgba(255,180,0,0.55);
}
.btn-gold:hover { box-shadow: 0 0 0 1px var(--gold), 0 16px 40px -10px rgba(255,180,0,0.75); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.3);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--mint); color: var(--mint); }
.btn-dark {
  background: var(--purple); color: var(--white);
}
.btn-dark:hover { background: var(--purple-deep); }
.btn-sm { padding: 11px 18px; font-size: 14px; min-height: 40px; }

/* Tag ------------------------------------------------------------------------ */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--mint-soft); color: var(--mint);
  border: 1px solid var(--mint-line);
}
.tag.gold { background: var(--gold-soft); color: var(--gold); border-color: rgba(255,180,0,0.35); }
.tag.dark { background: rgba(20,0,53,0.06); color: var(--purple); border-color: rgba(20,0,53,0.15); }
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Cards ---------------------------------------------------------------------- */
.card {
  background: var(--purple-deep);
  border: 1px solid var(--purple-line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--mint-line); transform: translateY(-2px); }
.card-light {
  background: var(--white);
  border: 1px solid rgba(20,0,53,0.08);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card-light:hover { border-color: var(--purple); transform: translateY(-2px); box-shadow: 0 20px 50px -30px rgba(20,0,53,0.3); }

/* Grid pattern ---------------------------------------------------------------- */
.grid-bg {
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* Glow ----------------------------------------------------------------------- */
.glow-mint::before {
  content: ""; position: absolute; inset: auto;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,252,143,0.18), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.glow-gold::before {
  content: ""; position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,180,0,0.18), transparent 60%);
  filter: blur(50px);
  pointer-events: none;
}

/* Image placeholder ---------------------------------------------------------- */
.imgph {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 8px, transparent 8px 16px),
    var(--purple-mid);
  border: 1px solid var(--purple-line);
  border-radius: var(--radius);
  display: flex; align-items: flex-end; justify-content: flex-start;
  padding: 16px;
  position: relative;
  overflow: hidden;
  color: rgba(255,255,255,0.55);
}
.imgph.light {
  background:
    repeating-linear-gradient(45deg, rgba(20,0,53,0.04) 0 8px, transparent 8px 16px),
    rgba(20,0,53,0.04);
  border-color: rgba(20,0,53,0.1);
  color: var(--muted-on-light);
}
.imgph.mint {
  background:
    repeating-linear-gradient(45deg, rgba(0,252,143,0.08) 0 8px, transparent 8px 16px),
    var(--purple-deep);
  border-color: var(--mint-line);
}
.imgph .lbl { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.04em; }

/* Page transitions ----------------------------------------------------------- */
.page { animation: pageIn .35s ease both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Form ----------------------------------------------------------------------- */
.field {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px;
}
.field label {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mint);
}
.field input, .field select, .field textarea {
  background: var(--purple-deep);
  border: 1px solid var(--purple-line);
  color: var(--white);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .15s ease;
  min-height: 48px;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--mint);
}
.field textarea { min-height: 120px; resize: vertical; }
.field .check { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.8); font-size: 14px; cursor: pointer; }
.field .check input { width: 18px; height: 18px; min-height: 18px; accent-color: var(--mint); }

/* Scroll lock for chatbot/menu ----------------------------------------------- */
.no-scroll { overflow: hidden; }

/* Utility -------------------------------------------------------------------- */
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.center { text-align: center; }
.muted-d { color: var(--muted-on-dark); }
.muted-l { color: var(--muted-on-light); }
.divider { height: 1px; background: var(--purple-line); border: 0; }
.divider-light { height: 1px; background: rgba(20,0,53,0.08); border: 0; }

/* Animate-on-scroll fallback (just fade-up) ---------------------------------- */
.fade-up { animation: fadeUp .6s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================================================
   Neural Hero — clusters in corners + animated text reveals
   ============================================================================ */
.neural-hero-section { position: relative; }

/* Fixed container — clusters follow the user as they scroll the entire page */
.neural-scroll-clusters {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.neural-network-cluster {
  position: absolute;
  width: 320px;
  height: 320px;
  pointer-events: none;
  opacity: 0.4;
  filter: drop-shadow(0 0 12px rgba(0, 252, 143, 0.18));
  transition: opacity 0.6s ease;
}
.neural-network-cluster.left-top     { top: -40px;    left: -40px;   animation: cluster-drift-a 16s ease-in-out infinite; }
.neural-network-cluster.left-bottom  { bottom: -40px; left: -40px;   animation: cluster-drift-b 18s ease-in-out infinite; }
.neural-network-cluster.right-top    { top: -40px;    right: -40px;  animation: cluster-drift-c 14s ease-in-out infinite; }
.neural-network-cluster.right-bottom { bottom: -40px; right: -40px;  animation: cluster-drift-d 20s ease-in-out infinite; }

@keyframes cluster-drift-a { 0%,100% { transform: translate(0,0) rotate(0deg); } 50% { transform: translate(18px,12px) rotate(3deg); } }
@keyframes cluster-drift-b { 0%,100% { transform: translate(0,0) rotate(0deg); } 50% { transform: translate(-14px,-18px) rotate(-3deg); } }
@keyframes cluster-drift-c { 0%,100% { transform: translate(0,0) rotate(0deg); } 50% { transform: translate(-16px,14px) rotate(-2deg); } }
@keyframes cluster-drift-d { 0%,100% { transform: translate(0,0) rotate(0deg); } 50% { transform: translate(20px,-12px) rotate(2deg); } }

@media (max-width: 720px) {
  .neural-network-cluster { width: 200px; height: 200px; opacity: 0.28; }
  .neural-network-cluster.left-top, .neural-network-cluster.left-bottom { left: -60px; }
  .neural-network-cluster.right-top, .neural-network-cluster.right-bottom { right: -60px; }
}

/* Text reveal animations */
.neural-text-container, .neural-subtitle-container { position: relative; }

.neural-text-title {
  opacity: 0;
  animation: neural-text-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
  background: linear-gradient(180deg, #fff 0%, #fff 60%, rgba(255,255,255,0.85) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.neural-subtitle-text {
  opacity: 0;
  animation: neural-text-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
}

.neural-subtitle-text .highlight {
  position: relative;
  display: inline-block;
}

.neural-fade-in {
  opacity: 0;
  animation: neural-text-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes neural-text-in {
  from { opacity: 0; transform: translateY(20px); filter: blur(8px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@media (prefers-reduced-motion: reduce) {
  .neural-network-cluster, .neural-text-title, .neural-subtitle-text, .neural-fade-in {
    animation: none !important;
    opacity: 1 !important;
    filter: none !important;
  }
}

/* ============================================================================
   Responsive — Mobile / Tablet / Desktop
   ============================================================================ */

/* Tablet ≤ 1024 ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .wrap { padding: 0 32px; }
  .section { padding: 80px 0; }
  .section.tight { padding: 56px 0; }
  .card, .card-light { padding: 24px; }

  /* Typography scaling for tablets */
  .h-display { font-size: clamp(48px, 6vw, 84px); }
  .h-1 { font-size: clamp(32px, 4.5vw, 60px); }
  .h-2 { font-size: clamp(26px, 3.2vw, 42px); }
}

/* Mobile ≤ 720 ---------------------------------------------------------- */
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section.tight { padding: 40px 0; }

  /* Stack any 2-col layout flagged as grid-stack */
  .grid-stack { grid-template-columns: 1fr !important; gap: 28px !important; }

  /* Buttons: full-width-friendly in CTA rows */
  .row .btn { width: auto; }
  .row.cta-stack { flex-direction: column; align-items: stretch; }
  .row.cta-stack .btn { justify-content: center; width: 100%; }

  /* Cards tighter */
  .card, .card-light { padding: 22px; border-radius: 14px; }

  /* Glow halos shrink so they don't dominate small screens */
  .glow-mint::before, .glow-gold::before { width: 360px; height: 360px; filter: blur(50px); }

  /* Form: stack 2-col forms onto single column */
  form.grid-stack { grid-template-columns: 1fr !important; }

  /* Footer bottom bar */
  footer .wrap > div:last-child { flex-direction: column; align-items: flex-start; }

  /* Calendar row stacks */
  .cal-row { grid-template-columns: 1fr !important; gap: 12px !important; padding: 20px 22px !important; }

  /* Tame the hero halos / overflow */
  body { overflow-x: hidden; }

  /* Typography adjustments */
  .lede { font-size: 16px; }
  .body { font-size: 15px; }

  /* Navigation improvements */
  .btn { min-height: 48px; }

  /* Ensure images scale properly */
  img { height: auto; }

  /* Responsive tables/grids with horizontal scroll if needed */
  .overflow-x-auto { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

/* Small mobile ≤ 420 ---------------------------------------------------- */
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .btn { padding: 14px 22px; font-size: 15px; }
  .btn-sm { padding: 10px 14px; font-size: 13px; }
  .card, .card-light { padding: 20px; }
  h1.h-display { font-size: 40px; line-height: 1.02; }

  /* Even tighter spacing on very small screens */
  .section { padding: 48px 0; }
  .section.tight { padding: 32px 0; }

  /* Stack gaps */
  .grid-stack { gap: 20px !important; }

  /* Typography */
  .eyebrow { font-size: 11px; }
  .lede { font-size: 15px; }
  .body { font-size: 14px; }
}

/* Medium screens / landscape tablets 768-1024 -------------------------- */
@media (min-width: 768px) and (max-width: 1024px) {
  /* Optimize for landscape tablets and medium-sized screens */
  .wrap { max-width: 960px; }
}

/* ============================================================================
 * CSS-only typewriter for the hero headline (zero JavaScript)
 * ----------------------------------------------------------------------------
 * .typewriter-text  — the typing text. width grows from 0 to full content
 *                     size in N discrete steps (= number of characters), so
 *                     it appears character-by-character. Border-right is the
 *                     cursor; second animation blinks it.
 *                     Loops infinitely: type → hold → erase → pause → repeat.
 * ============================================================================ */
.typewriter-text {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: top;
  border-right: 4px solid var(--mint);
  max-width: 100%;
  animation:
    typewriter-cycle 11s steps(39, end) 0.6s infinite,
    typewriter-cursor-blink 0.7s step-end infinite;
}

@keyframes typewriter-cycle {
  0%   { width: 0;           }   /* start empty */
  36%  { width: 100%;        }   /* type for ~4s of the 11s cycle */
  64%  { width: 100%;        }   /* hold for ~3s */
  91%  { width: 0;           }   /* erase for ~3s */
  100% { width: 0;           }   /* pause for ~1s before next loop */
}

@keyframes typewriter-cursor-blink {
  from, to { border-right-color: transparent; }
  50%      { border-right-color: var(--mint); }
}

/* Respect users who prefer reduced motion — show text statically, no animation */
@media (prefers-reduced-motion: reduce) {
  .typewriter-text {
    width: 100% !important;
    animation: none !important;
    border-right: none !important;
  }
}

/* ============================================================================
 * Responsive navigation visibility (FIX: previously missing, causing nav to be
 * invisible on desktop because the inline display:none on .nav-desk had no
 * CSS override.) Mobile-first: .nav-desk hidden by inline style, .nav-burger
 * visible. Above 900px: show desktop nav, hide hamburger.
 * ============================================================================ */
@media (min-width: 900px) {
  .nav-desk { display: flex !important; }
  .nav-burger { display: none !important; }
}

/* Stronger hover affordance for desktop nav links — clearer "click me" signal */
.nav-desk a {
  position: relative;
  padding: 8px 4px;
  transition: color 0.15s ease;
  cursor: pointer;
}
.nav-desk a:hover {
  color: var(--mint) !important;
}
.nav-desk a::after {
  content: '';
  position: absolute;
  left: 4px; right: 4px; bottom: 2px;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav-desk a:hover::after {
  transform: scaleX(1);
}