/* =============================================================
   ITC Transformation Centre — Design System
   Brand Manual v3 · www.transformationcentre.africa
   ============================================================= */

/* --- Custom Properties (Brand Tokens) ----------------------- */
:root {
  --c-dark-teal:   #165D75;
  --c-orange:      #FF914D;
  --c-mid-teal:    #218AA6;
  --c-charcoal:    #737373;
  --c-white:       #ffffff;
  --c-off-white:   #F7F6F2;
  --c-dark:        #111111;
  --c-border:      rgba(22,93,117,0.12);

  /* Pillar colours */
  --c-hub:    #165D75;
  --c-vc:     #C67A2E;
  --c-aipp:   #534AB7;
  --c-ial:    #185FA5;
  --c-cop:    #3B6D11;

  /* Typography */
  --font-head: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --section-pad:  80px;
  --container:    1160px;
  --radius:       8px;
  --radius-lg:    16px;
}

/* --- Reset & Base ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--c-dark);
  background: var(--c-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-dark-teal); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* --- Layout ------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: var(--section-pad) 0; }
.section--alt { background: var(--c-off-white); }
.section--dark { background: var(--c-dark-teal); color: var(--c-white); }
.section--darkest { background: var(--c-dark); color: var(--c-white); }

/* --- Typography --------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 600; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 600; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); font-weight: 500; }
h4 { font-size: 1.15rem; font-weight: 500; }
p  { font-size: 1rem; line-height: 1.7; }
.lead { font-size: 1.2rem; line-height: 1.65; color: var(--c-charcoal); max-width: 640px; }
.overline {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: 12px;
  display: block;
}

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-orange);
  color: var(--c-white);
  border-color: var(--c-orange);
}
.btn-primary:hover {
  background: #e07d3d;
  border-color: #e07d3d;
  text-decoration: none;
  color: var(--c-white);
  transform: translateY(-1px);
}
.btn-outline-white {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.45);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  text-decoration: none;
  color: var(--c-white);
}
.btn-outline-teal {
  background: transparent;
  color: var(--c-dark-teal);
  border-color: var(--c-dark-teal);
}
.btn-outline-teal:hover {
  background: var(--c-dark-teal);
  color: var(--c-white);
  text-decoration: none;
}
.btn-group { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* --- Navigation -------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-dark-teal);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 68px;
  gap: 40px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo img { height: 36px; width: auto; }
.site-logo-text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.1;
}
.site-logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}
.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  font-family: var(--font-head);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.72);
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.15s;
  text-decoration: none;
}
.main-nav a:hover,
.main-nav .current-menu-item > a {
  color: var(--c-white);
  background: rgba(255,255,255,0.1);
}
.nav-cta {
  margin-left: auto;
  flex-shrink: 0;
}
.nav-cta a {
  background: var(--c-orange);
  color: var(--c-white) !important;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-cta a:hover { background: #e07d3d; }

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: all 0.2s;
}

/* --- Hero -------------------------------------------------- */
.hero {
  background: var(--c-dark-teal);
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(33,138,166,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; max-width: 700px; }
.hero h1 { color: var(--c-white); margin-bottom: 20px; }
.hero .lead { color: rgba(255,255,255,0.72); margin-bottom: 36px; max-width: 560px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-head);
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--c-orange);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Section Headers --------------------------------------- */
.section-header { margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header .lead { margin-top: 12px; }

/* --- Pillar Cards ------------------------------------------ */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pillar-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: 4px solid;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 28px 24px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  display: block;
  color: var(--c-dark);
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(22,93,117,0.12);
  text-decoration: none;
  color: var(--c-dark);
}
.pillar-card--hub   { border-top-color: var(--c-hub); }
.pillar-card--vc    { border-top-color: var(--c-vc); }
.pillar-card--aipp  { border-top-color: var(--c-aipp); }
.pillar-card--ial   { border-top-color: var(--c-ial); }
.pillar-card--cop   { border-top-color: var(--c-cop); }
.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.25rem;
}
.pillar-card h4 { margin-bottom: 8px; font-size: 1rem; }
.pillar-card p  { font-size: 0.88rem; color: var(--c-charcoal); line-height: 1.55; }
.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-family: var(--font-head);
  font-weight: 500;
  margin-top: 14px;
}
.pillar-card--hub  .pillar-link { color: var(--c-hub); }
.pillar-card--vc   .pillar-link { color: var(--c-vc); }
.pillar-card--aipp .pillar-link { color: var(--c-aipp); }
.pillar-card--ial  .pillar-link { color: var(--c-ial); }

/* --- Deploy Africa Feature --------------------------------- */
.deploy-africa {
  background: var(--c-dark);
  padding: var(--section-pad) 0;
  color: var(--c-white);
}
.deploy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.deploy-badge {
  display: inline-block;
  background: var(--c-orange);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.deploy-africa h2 { color: var(--c-white); margin-bottom: 16px; }
.deploy-africa .lead { color: rgba(255,255,255,0.65); margin-bottom: 32px; }
.phase-list { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-bottom: 36px; }
.phase-item { display: flex; gap: 16px; align-items: flex-start; }
.phase-num {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: var(--c-aipp);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.phase-item h5 { font-size: 0.95rem; color: var(--c-white); margin-bottom: 2px; }
.phase-item p  { font-size: 0.84rem; color: rgba(255,255,255,0.55); line-height: 1.5; }
.deploy-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.catalytic-box {
  text-align: center;
  padding: 28px;
  background: rgba(83,74,183,0.15);
  border: 1px solid rgba(83,74,183,0.3);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.catalytic-num {
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--c-orange);
  line-height: 1;
  margin-bottom: 6px;
}
.catalytic-label { font-size: 0.84rem; color: rgba(255,255,255,0.55); }
.mission-examples { display: flex; flex-direction: column; gap: 12px; }
.mission-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
}
.mission-tag-domain {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(22,93,117,0.4);
  color: rgba(255,255,255,0.7);
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.mission-tag p { font-size: 0.82rem; color: rgba(255,255,255,0.55); margin: 0; }

/* --- Stats Bar --------------------------------------------- */
.stats-bar { padding: 56px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 24px 32px;
  border-right: 1px solid var(--c-border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-dark-teal);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.88rem; color: var(--c-charcoal); }

/* --- Blog / Founders Footprint ----------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(22,93,117,0.1);
}
.post-card-img { height: 180px; background: var(--c-off-white); overflow: hidden; }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card-body { padding: 22px; }
.post-card-meta {
  font-size: 0.78rem;
  color: var(--c-charcoal);
  margin-bottom: 8px;
  display: flex;
  gap: 10px;
  align-items: center;
}
.post-card h4 { font-size: 1rem; margin-bottom: 8px; line-height: 1.35; }
.post-card p  { font-size: 0.85rem; color: var(--c-charcoal); line-height: 1.55; }
.post-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--c-dark-teal);
  margin-top: 14px;
}

/* --- Partners ---------------------------------------------- */
.partners-bar {
  padding: 48px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.partners-bar .overline { text-align: center; margin-bottom: 24px; color: var(--c-charcoal); }
.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.partner-logo {
  height: 32px;
  opacity: 0.45;
  filter: grayscale(1);
  transition: all 0.2s;
}
.partner-logo:hover { opacity: 0.75; filter: grayscale(0); }

/* --- Footer ------------------------------------------------ */
.site-footer {
  background: #111111;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .site-logo-text { color: var(--c-white); margin-bottom: 14px; display: block; font-size: 1.1rem; }
.footer-brand p { font-size: 0.84rem; line-height: 1.65; max-width: 280px; }
.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--c-white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer-social { display: flex; gap: 14px; }
.footer-social a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-social a:hover { color: var(--c-white); }

/* --- Inner Page Templates ---------------------------------- */
.page-hero {
  background: var(--c-dark-teal);
  padding: 72px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(33,138,166,0.2), transparent 70%);
}
.page-hero h1 { color: var(--c-white); font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 14px; }
.page-hero .lead { color: rgba(255,255,255,0.68); max-width: 580px; }
.page-content { padding: 64px 0; }

/* --- Approach / About Page --------------------------------- */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.signal-table { width: 100%; border-collapse: collapse; }
.signal-table th, .signal-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.9rem;
}
.signal-table th {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-charcoal);
  background: var(--c-off-white);
}
.signal-letter {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-dark-teal);
}

/* --- VC Submission Form ------------------------------------ */
.vc-form-wrap { max-width: 640px; }
.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--c-dark);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--c-dark);
  background: var(--c-white);
  transition: border-color 0.15s;
  outline: none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--c-dark-teal); }
.form-field textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 1024px) {
  .pillars-grid   { grid-template-columns: repeat(2, 1fr); }
  .deploy-grid    { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 36px; }
  .approach-grid  { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  :root { --section-pad: 56px; }
  .pillars-grid   { grid-template-columns: 1fr; }
  .stats-grid     { grid-template-columns: 1fr; }
  .stats-bar .stat-item { border-right: none; border-bottom: 1px solid var(--c-border); }
  .blog-grid      { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; gap: 28px; }
  .main-nav, .nav-cta { display: none; }
  .nav-toggle     { display: flex; }
  .mobile-menu-open .main-nav {
    display: block;
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: var(--c-dark-teal);
    padding: 32px 24px;
    overflow-y: auto;
  }
  .mobile-menu-open .main-nav ul { flex-direction: column; gap: 4px; }
  .mobile-menu-open .main-nav a { font-size: 1.1rem; padding: 12px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}