/* =============================================================================
   Innovations Hub Liberia - Design System
   Blocksy child theme stylesheet (front end + block editor)

   Source of truth: /assets/styles.css in the static redesign mockup.
   Class prefix: .ihub-*  - identical to the markup emitted by the iHub Core
   plugin shortcodes/blocks, so both layers share one stylesheet.
   ============================================================================= */

/* ===========================================================================
   1. DESIGN TOKENS
   =========================================================================== */

:root {
  /* Brand palette - Innovations Hub Liberia
     1. Bright Yellow #faa51a - primary accent / CTAs
     2. Black #000000         - deepest dark surfaces (footer)
     3. Vulcan #0c0d17        - primary dark / text / brand body */
  --ihub-primary:      #0c0d17;
  --ihub-primary-700:  #1a1b2a;
  --ihub-primary-500:  #2d2f44;
  --ihub-primary-100:  #d4d4dc;
  --ihub-primary-50:   #f4f4f7;

  --ihub-accent:       #faa51a;
  --ihub-accent-600:   #d68a13;
  --ihub-accent-100:   #fff0d9;

  /* Secondary tonal slot - brand-derived charcoal (no off-brand cyan) */
  --ihub-tonal:        #3a3c52;
  --ihub-tonal-100:    #e9eaef;

  /* Neutrals */
  --ihub-bg:            #ffffff;
  --ihub-bg-alt:        #f7f7f9;
  --ihub-bg-dark:       #000000;
  --ihub-text:          #0c0d17;
  --ihub-text-muted:    #4a4d5e;
  --ihub-text-light:    #8d8f9c;
  --ihub-border:        #e4e4ea;
  --ihub-border-strong: #c8c9d2;

  /* Semantic */
  --ihub-success: #10b981;
  --ihub-error:   #ef4444;

  /* Typography */
  --ihub-font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --ihub-font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --ihub-font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Fluid type scale */
  --ihub-fs-display: clamp(2.5rem, 5vw + 1rem, 4.25rem);
  --ihub-fs-h1:      clamp(2rem, 3vw + 1rem, 3rem);
  --ihub-fs-h2:      clamp(1.5rem, 1.5vw + 1rem, 2.25rem);
  --ihub-fs-h3:      clamp(1.25rem, 0.6vw + 1rem, 1.625rem);
  --ihub-fs-h4:      1.25rem;
  --ihub-fs-lead:    1.125rem;
  --ihub-fs-body:    1rem;
  --ihub-fs-small:   0.875rem;
  --ihub-fs-xs:      0.75rem;

  /* Spacing scale */
  --ihub-sp-1:  0.25rem;
  --ihub-sp-2:  0.5rem;
  --ihub-sp-3:  0.75rem;
  --ihub-sp-4:  1rem;
  --ihub-sp-5:  1.5rem;
  --ihub-sp-6:  2rem;
  --ihub-sp-7:  3rem;
  --ihub-sp-8:  4rem;
  --ihub-sp-9:  6rem;
  --ihub-sp-10: 8rem;

  /* Radii */
  --ihub-r-sm:   6px;
  --ihub-r-md:   10px;
  --ihub-r-lg:   16px;
  --ihub-r-xl:   24px;
  --ihub-r-full: 9999px;

  /* Shadows */
  --ihub-shadow-sm: 0 1px 2px rgba(12,13,23,0.06);
  --ihub-shadow-md: 0 4px 12px rgba(12,13,23,0.10);
  --ihub-shadow-lg: 0 20px 40px -12px rgba(12,13,23,0.22);

  /* Layout */
  --ihub-container:      1290px;   /* matches Blocksy's default container */
  --ihub-container-wide: 1410px;   /* keeps the original +120px relationship */

  /* Legacy aliases - keeps CSS written against the original mockup tokens
     (and any Additional CSS already live on the site) working unchanged. */
  --c-primary:     var(--ihub-primary);
  --c-primary-700: var(--ihub-primary-700);
  --c-primary-500: var(--ihub-primary-500);
  --c-primary-100: var(--ihub-primary-100);
  --c-primary-50:  var(--ihub-primary-50);
  --c-accent:      var(--ihub-accent);
  --c-accent-600:  var(--ihub-accent-600);
  --c-accent-100:  var(--ihub-accent-100);
  --c-cyan:        var(--ihub-tonal);
  --c-cyan-100:    var(--ihub-tonal-100);
  --c-bg:          var(--ihub-bg);
  --c-bg-alt:      var(--ihub-bg-alt);
  --c-bg-dark:     var(--ihub-bg-dark);
  --c-text:        var(--ihub-text);
  --c-text-muted:  var(--ihub-text-muted);
  --c-border:      var(--ihub-border);
  --r-md:          var(--ihub-r-md);
  --r-lg:          var(--ihub-r-lg);
  --r-full:        var(--ihub-r-full);
}

/* ===========================================================================
   2. TYPOGRAPHY PRIMITIVES
   =========================================================================== */

.ihub-display {
  font-family: var(--ihub-font-heading);
  font-size: var(--ihub-fs-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.ihub-h1 { font-size: var(--ihub-fs-h1); }
.ihub-h2 { font-size: var(--ihub-fs-h2); }
.ihub-h3 { font-size: var(--ihub-fs-h3); }

.ihub-lead {
  font-size: var(--ihub-fs-lead);
  line-height: 1.6;
  color: var(--ihub-text-muted);
}

.ihub-muted { color: var(--ihub-text-muted); }
.ihub-small { font-size: var(--ihub-fs-small); }
.ihub-accent-text { color: var(--ihub-accent); }

/* --- Eyebrow -------------------------------------------------------------
   Shared by patterns and by every iHub Core shortcode.                     */
.ihub-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ihub-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ihub-text-muted);
  line-height: 1.4;
}

.ihub-eyebrow::before {
  content: '';
  display: block;
  flex-shrink: 0;
  width: 24px;
  height: 2px;
  background: var(--ihub-accent);
}

.ihub-eyebrow--on-light { color: var(--ihub-text-muted); }
.ihub-eyebrow--on-dark { color: var(--ihub-accent); }
.ihub-eyebrow--on-dark::before { background: var(--ihub-accent); }

/* --- Arrow link ---------------------------------------------------------- */
.ihub-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ihub-font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ihub-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.18s ease;
}

.ihub-link-arrow:hover { color: var(--ihub-primary-700); }

.ihub-link-arrow__text {
  border-bottom: 1.5px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.18s ease;
}

.ihub-link-arrow:hover .ihub-link-arrow__text { border-bottom-color: var(--ihub-accent); }

.ihub-link-arrow span[aria-hidden] {
  display: inline-block;
  transition: transform 0.18s ease;
}

.ihub-link-arrow:hover span[aria-hidden] { transform: translateX(3px); }

.ihub-section--dark .ihub-link-arrow,
.ihub-cta-banner .ihub-link-arrow { color: #fff; }

/* --- Empty state --------------------------------------------------------- */
.ihub-no-posts {
  font-family: var(--ihub-font-body);
  font-size: 0.9rem;
  color: var(--ihub-text-muted);
  padding: 2rem 0;
}

/* ===========================================================================
   3. SECTION & LAYOUT SHELL
   Each iHub section escapes the theme container so backgrounds run edge to
   edge, then re-constrains its own inner wrapper. This keeps the design
   independent of whichever Blocksy container width is active.
   =========================================================================== */

.ihub-section {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background: var(--ihub-bg);
  color: var(--ihub-text);
  box-sizing: border-box;
}

.ihub-section--sm { padding: clamp(2rem, 5vw, 3rem) 0; }
.ihub-section--alt { background: var(--ihub-bg-alt); }

.ihub-section--dark {
  background: var(--ihub-primary);
  color: #fff;
}

.ihub-section--dark h1,
.ihub-section--dark h2,
.ihub-section--dark h3,
.ihub-section--dark h4 { color: #fff; }

.ihub-section--dark .ihub-lead,
.ihub-section--dark .ihub-muted { color: rgba(255,255,255,0.8); }

.ihub-section--black { background: var(--ihub-bg-dark); color: #fff; }
.ihub-section--divider { border-bottom: 1px solid var(--ihub-border); }

.ihub-container {
  width: 100%;
  max-width: var(--ihub-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 1.5rem);
  box-sizing: border-box;
}

.ihub-container--wide { max-width: var(--ihub-container-wide); }

/* Centred section header */
.ihub-section-head {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}

.ihub-section-head > * + * { margin-top: 1rem; }

/* Split header: title block left, link or lead right */
.ihub-section-head--split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  max-width: none;
  text-align: left;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.ihub-section-head--split > * { margin-top: 0; }
.ihub-section-head--split .ihub-section-head__left { max-width: 640px; }
.ihub-section-head--split .ihub-section-head__left > * + * { margin-top: 0.75rem; }

/* Two-column title block: heading left, lead right */
.ihub-title-block {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 2rem;
  align-items: end;
  text-align: left;
  max-width: none;
}

@media (max-width: 800px) {
  .ihub-title-block { grid-template-columns: 1fr; align-items: start; }
}

/* Grids */
.ihub-grid { display: grid; gap: 1.5rem; }
.ihub-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ihub-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ihub-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ihub-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ihub-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.ihub-grid--tight { gap: 0.75rem; }

@media (max-width: 1024px) {
  .ihub-grid--5, .ihub-grid--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .ihub-grid--3, .ihub-grid--4, .ihub-grid--5, .ihub-grid--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .ihub-grid--2, .ihub-grid--3, .ihub-grid--4, .ihub-grid--5, .ihub-grid--6 { grid-template-columns: 1fr; }
}

/* Two-column split with unequal ratio */
.ihub-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.ihub-split--start { align-items: start; }
.ihub-split--wide-left { grid-template-columns: 1.2fr 0.8fr; }
.ihub-split--wide-right { grid-template-columns: 0.9fr 1.1fr; }

@media (max-width: 900px) {
  .ihub-split,
  .ihub-split--wide-left,
  .ihub-split--wide-right { grid-template-columns: 1fr; }
}

/* ===========================================================================
   4. BUTTONS
   =========================================================================== */

.ihub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--ihub-r-full);
  border: 1.5px solid transparent;
  font-family: var(--ihub-font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease,
              transform .18s ease, box-shadow .18s ease;
}

.ihub-btn--accent { background: var(--ihub-accent); color: var(--ihub-primary); }
.ihub-btn--accent:hover { background: var(--ihub-accent-600); color: var(--ihub-primary); transform: translateY(-1px); box-shadow: var(--ihub-shadow-md); }

.ihub-btn--primary { background: var(--ihub-primary); color: #fff; }
.ihub-btn--primary:hover { background: var(--ihub-primary-700); color: #fff; transform: translateY(-1px); box-shadow: var(--ihub-shadow-md); }

.ihub-btn--outline { background: transparent; border-color: var(--ihub-border-strong); color: var(--ihub-text); }
.ihub-btn--outline:hover { border-color: var(--ihub-primary); color: var(--ihub-primary); }

.ihub-btn--outline-light { background: transparent; border-color: rgba(255,255,255,0.3); color: #fff; }
.ihub-btn--outline-light:hover { border-color: var(--ihub-accent); color: var(--ihub-accent); }

.ihub-btn--lg { padding: 1rem 1.75rem; font-size: 1rem; }
.ihub-btn--sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

.ihub-btn span[aria-hidden] { display: inline-block; transition: transform .18s ease; }
.ihub-btn:hover span[aria-hidden] { transform: translateX(3px); }

.ihub-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* Core Buttons block used inside iHub patterns picks up brand geometry so
   editors can use the normal block and still match the design. */
.ihub-actions .wp-block-button__link,
.ihub-buttons .wp-block-button__link {
  border-radius: var(--ihub-r-full);
  font-family: var(--ihub-font-heading);
  font-weight: 600;
  padding: 1rem 1.75rem;
}

/* ===========================================================================
   5. BADGES, TAGS, PILLS
   =========================================================================== */

.ihub-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--ihub-r-full);
  border: 1px solid var(--ihub-primary-100);
  background: var(--ihub-primary-50);
  color: var(--ihub-primary);
  font-family: var(--ihub-font-body);
  font-size: var(--ihub-fs-xs);
  font-weight: 600;
  line-height: 1.4;
}

.ihub-badge--accent { background: var(--ihub-accent-100); color: #9c6b10; border-color: rgba(250,165,26,0.3); }
.ihub-badge--tonal { background: var(--ihub-tonal-100); color: var(--ihub-tonal); border-color: rgba(58,60,82,0.3); }
.ihub-badge--light { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.2); }
.ihub-badge--dark { background: rgba(12,13,23,0.12); color: var(--ihub-primary); border-color: rgba(12,13,23,0.15); }

.ihub-tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: var(--ihub-r-full);
  background: var(--ihub-bg-alt);
  color: var(--ihub-text-muted);
  font-size: var(--ihub-fs-xs);
  font-weight: 600;
}