/* ============================================================================
   MITCON Credensia — Footer Component
   ----------------------------------------------------------------------------
   Mobile-first. Three sections:
     1. CTA strip (top)         — full-width primary background
     2. Main grid (middle)      — 1 col mobile / 2 col tablet / 5 col desktop
     3. Legal bar (bottom)      — copyright + legal nav + regulatory text
   ============================================================================ */

.footer {
  margin-top: var(--space-16);
  background-color: var(--color-dark);
  color: var(--color-grey-light);
}

/* ============================================================================
   1. CTA STRIP
   ============================================================================ */
.footer__cta-strip {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  padding-block: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__cta-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}

@media (min-width: 64em) {
  .footer__cta-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
  }
}

.footer__cta-text {
  flex: 1;
}

.footer__cta-heading {
  color: var(--color-text-on-primary);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-2);
  line-height: var(--lh-snug);
}

@media (min-width: 64em) {
  .footer__cta-heading {
    font-size: var(--fs-3xl);
  }
}

.footer__cta-lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-base);
  margin-bottom: 0;
  max-width: 60ch;
}

.footer__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  border-radius: var(--radius-full);
  white-space: nowrap;
  min-height: 48px;
  transition: var(--transition-color), transform var(--duration-fast) var(--ease-out);
}

.footer__cta-btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-on-accent);
}

.footer__cta-btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.footer__cta-btn--secondary {
  background-color: transparent;
  color: var(--color-text-on-primary);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.footer__cta-btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-on-primary);
}

.footer__cta-btn:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-bg);
  outline-offset: var(--focus-ring-offset);
}

/* ============================================================================
   2. MAIN GRID
   ============================================================================ */
.footer__main {
  padding-block: var(--space-12);
}

@media (min-width: 64em) {
  .footer__main {
    padding-block: var(--space-16);
  }
}

.footer__grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

@media (min-width: 40em) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64em) {
  .footer__grid {
    /* Brand column wider; nav cols equal; newsletter widest */
    grid-template-columns: 2fr 1fr 1fr 1fr 1.6fr;
    gap: var(--space-10);
  }
}

.footer__col {
  min-width: 0;                                       /* prevents grid blowout */
}

.footer__col--brand {
  /* On tablet, brand col spans full width */
}

@media (min-width: 40em) and (max-width: 63.9375em) {
  .footer__col--brand {
    grid-column: 1 / -1;
  }
  .footer__col--newsletter {
    grid-column: 1 / -1;
  }
}

/* ============================================================================
   3. BRAND COLUMN — logo, about, contact list
   ============================================================================ */
.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-4);
  /* Invert logo brightness on dark background using filter — preserves SVG fidelity */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer__logo:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
}

.footer__logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.footer__about {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-grey-light);
  margin-bottom: var(--space-6);
  max-width: 42ch;
}

.footer__contact-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.footer__contact-value {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--color-grey-light);
}

.footer__contact-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.footer__contact-link {
  color: var(--color-grey-light);
  text-decoration: none;
  transition: var(--transition-color);
}

.footer__contact-link:hover,
.footer__contact-link:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer__sebi-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-accent);
  margin: 0;
  flex-shrink: 0;
}

.footer__sebi-value {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-on-primary);
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: var(--ls-wide);
}

/* ============================================================================
   4. NAVIGATION COLUMNS (Company / Services / Disclosures)
   ============================================================================ */
.footer__heading {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--color-text-on-primary);
  margin: 0 0 var(--space-4);
  position: relative;
  padding-bottom: var(--space-2);
  letter-spacing: var(--ls-wide);
}

.footer__heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

.footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--color-grey-light) !important;
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: var(--transition-color), padding-left var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-accent);
  padding-left: var(--space-2);
}

.footer__link:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.footer__link--external::after {
  content: " ↗";
  display: inline-block;
  margin-left: 0.15em;
  font-size: 0.85em;
  color: var(--color-accent);
}

/* ============================================================================
   5. NEWSLETTER COLUMN
   ============================================================================ */
.footer__newsletter-text {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-grey-light);
  margin-bottom: var(--space-4);
}

.footer__newsletter-form {
  margin-bottom: var(--space-6);
}

.footer__newsletter-group {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.footer__newsletter-group:focus-within {
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.12);
}

.footer__newsletter-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  color: var(--color-text-on-primary);
  font-size: var(--fs-sm);
  min-height: 44px;                                   /* WCAG 2.5.5 */
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.footer__newsletter-input:focus {
  outline: none;                                      /* group handles focus state */
}

.footer__newsletter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-accent);
  color: var(--color-text-on-accent);
  border: none;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  white-space: nowrap;
  min-width: 44px;
  min-height: 44px;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.footer__newsletter-btn:hover {
  background-color: var(--color-accent-hover);
}

.footer__newsletter-btn:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-bg);
  outline-offset: -2px;
}

@media (max-width: 39.9375em) {
  .footer__newsletter-btn-text {
    /* Hide text on small mobile, show only icon */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

.footer__newsletter-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.55);
}

/* ============================================================================
   6. SOCIAL LINKS
   ============================================================================ */
.footer__social-heading {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-grey-light);
  margin: 0 0 var(--space-3);
}

.footer__social-list {
  display: flex;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-grey-light);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition-color), transform var(--duration-fast) var(--ease-out);
}

.footer__social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__social-link:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* ============================================================================
   7. LEGAL BAR
   ============================================================================ */
.footer__legal {
  background-color: #1a1918;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-block: var(--space-6);
  font-size: var(--fs-sm);
}

.footer__legal-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
}

@media (min-width: 64em) {
  .footer__legal-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
  }
}

.footer__copyright {
  font-size: var(--fs-sm);
  color: var(--color-grey);
  margin: 0;
}

.footer__legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__legal-link {
  font-size: var(--fs-sm);
  color: var(--color-grey);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: var(--transition-color);
}

.footer__legal-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer__legal-link:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
}

.footer__regulatory {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
  color: var(--color-grey);
  max-width: 100ch;
}

/* ============================================================================
   8. PRINT — minimal footer when printing pages
   ============================================================================ */
@media print {
  .footer {
    background: transparent !important;
    color: black !important;
    margin-top: var(--space-8);
    border-top: 1px solid black;
  }

  .footer__cta-strip,
  .footer__newsletter-form,
  .footer__social,
  .footer__newsletter-text {
    display: none !important;
  }

  .footer__main {
    padding-block: var(--space-4);
  }

  .footer__heading,
  .footer__sebi-label,
  .footer__copyright,
  .footer__regulatory,
  .footer__about,
  .footer__contact-value,
  .footer__link,
  .footer__legal-link {
    color: black !important;
  }
}