/* ==========================================================================
   AGRO-PROCESSING & VALUE ADDITION CENTER
   Reusable UI Components
   File: assets/css/components.css
   ========================================================================== */

/* --------------------------------------------------------------------
   Utility bar (topbar)
   -------------------------------------------------------------------- */

.utility-bar {
  background-color: var(--color-primary-dark);
  padding-block: var(--space-2);
}

.utility-bar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.utility-bar__link,
.utility-bar__corporate-link {
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

.utility-bar__link:hover, .utility-bar__link:focus-visible,
.utility-bar__corporate-link:hover, .utility-bar__corporate-link:focus-visible {
  color: var(--color-secondary-light);
}

/* --------------------------------------------------------------------
   Header / Navbar
   -------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.navbar { padding-block: var(--space-3); }

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.navbar__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.navbar__brand-name {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.navbar__brand-tag {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-secondary-dark);
  letter-spacing: 0.03em;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
}

.navbar__toggle:hover, .navbar__toggle:focus-visible {
  background-color: var(--color-surface-alt);
}

.navbar__toggle-icon {
  display: block;
  width: 1.375rem;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.navbar__menu-wrapper {
  display: flex;
  align-items: center;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.navbar__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-block: var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease-standard);
}

.navbar__link:hover::after, .navbar__link:focus-visible::after, .navbar__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.navbar__link:hover, .navbar__link:focus-visible, .navbar__link[aria-current="page"] {
  color: var(--color-primary);
}

.navbar__link[aria-current="page"] { font-weight: var(--font-weight-semibold); }

/* --------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.75rem;
  padding-inline: var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--secondary:hover, .btn--secondary:focus-visible {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------
   Section label
   -------------------------------------------------------------------- */

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------
   Page hero (interior pages)
   -------------------------------------------------------------------- */

.page-hero {
  background-color: var(--color-surface-alt);
  text-align: center;
}

.page-hero__container { max-width: var(--container-md); }

.page-hero__heading { margin-top: var(--space-3); margin-bottom: var(--space-4); }

.page-hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: var(--container-sm);
  margin-inline: auto;
}

/* --------------------------------------------------------------------
   Homepage hero
   -------------------------------------------------------------------- */

.hero {
  display: flex;
  align-items: center;
  min-height: 70vh;
  padding-block: var(--space-12);
}

.hero__container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-9);
}

.hero__content {
  display: flex;
  flex-direction: column;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero__heading { margin-bottom: var(--space-4); }

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__visual {
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-50);
  border: 1px solid var(--color-border);
  min-height: 20rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-6);
}

/* --------------------------------------------------------------------
   Cards — focus areas, services, programs
   -------------------------------------------------------------------- */

.focus-card, .service-card, .program-card, .service-detail-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.focus-card:hover, .service-card:hover, .program-card:hover, .service-detail-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.service-detail-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.service-detail-grid {
  margin-top: var(--space-6);
}

.focus-card__icon, .service-card__icon, .program-card__icon {
  font-size: var(--font-size-3xl);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.focus-card__title, .service-card__title, .program-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.focus-card__description, .service-card__description, .program-card__description {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  flex: 1;
}

.service-card__list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.program-card__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  background-color: var(--color-primary-50);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-4);
  align-self: flex-start;
}

/* --------------------------------------------------------------------
   Service detail sections (services.html)
   -------------------------------------------------------------------- */

.service-detail {
  background-color: var(--color-surface);
}

.service-detail--alt { background-color: var(--color-surface-alt); }

.service-detail__content { max-width: var(--container-md); }

.service-detail__title { font-size: var(--font-size-2xl); margin-bottom: var(--space-3); }

.service-detail__intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------
   Program block sections (programs.html)
   -------------------------------------------------------------------- */

.program-block { margin-bottom: var(--space-9); }
.program-block:last-child { margin-bottom: 0; }

.program-block__title { font-size: var(--font-size-2xl); margin-bottom: var(--space-4); }

.program-block__content {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.program-block__content--spaced {
  margin-top: var(--space-8);
}

.program-card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
}

.program-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.program-card__title {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.program-card__description {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------
   Generic content sections
   -------------------------------------------------------------------- */

.who-we-are, .our-approach, .why-us, .value-addition,
.market-oriented, .our-role, .who-we-work-with,
.services-overview, .programs-overview {
  background-color: var(--color-surface);
}

.our-approach, .value-addition, .programs-overview {
  background-color: var(--color-surface-alt);
}

/* --------------------------------------------------------------------
   CTA section
   -------------------------------------------------------------------- */

.cta-section {
  background-color: var(--color-primary);
  text-align: center;
}

.cta-section__content { max-width: var(--container-md); margin-inline: auto; }

.cta-section__heading { color: var(--color-white); margin-bottom: var(--space-4); }

.cta-section__subtitle {
  color: var(--color-primary-50);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-7);
}

.cta-section__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-section .section-label { color: var(--color-secondary-light); }

.cta-section .btn--primary {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-primary);
}
.cta-section .btn--primary:hover, .cta-section .btn--primary:focus-visible {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-50);
}

.cta-section .btn--secondary {
  background-color: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.cta-section .btn--secondary:hover, .cta-section .btn--secondary:focus-visible {
  background-color: rgba(255, 255, 255, 0.12);
}

/* --------------------------------------------------------------------
   Contact info + form
   -------------------------------------------------------------------- */

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  list-style: none;
  margin: var(--space-7) 0 0;
  padding: 0;
}

.contact-info__item { display: flex; flex-direction: column; gap: var(--space-2); }

.contact-info__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-secondary-dark);
}

.contact-info__value { font-size: var(--font-size-md); color: var(--color-text-primary); }

.contact-form {
  max-width: var(--container-md);
  margin: var(--space-8) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.contact-form__group { display: flex; flex-direction: column; gap: var(--space-2); }

.contact-form__group input,
.contact-form__group textarea,
.contact-form__group select { width: 100%; }

.contact-form__actions { margin-top: var(--space-2); }

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */

.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  padding-block: var(--space-11);
}

.footer-brand, .footer-nav, .footer-contact {
  display: flex;
  flex-direction: column;
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.footer-brand__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.8;
  margin-bottom: var(--space-4);
}

.footer-brand__corporate-link {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--color-secondary-light);
}

.footer-nav__title, .footer-contact__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-secondary-light);
  margin-bottom: var(--space-4);
}

.footer-nav__list, .footer-contact__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__link, .footer-contact__link {
  color: var(--color-text-inverse);
  opacity: 0.85;
  font-size: var(--font-size-sm);
}
.footer-nav__link:hover, .footer-nav__link:focus-visible,
.footer-contact__link:hover, .footer-contact__link:focus-visible {
  opacity: 1;
  color: var(--color-secondary-light);
}

.site-footer__bottom {
  border-top: 1px solid rgba(247, 246, 244, 0.15);
  padding-block: var(--space-5);
  text-align: center;
}

.site-footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse);
  opacity: 0.7;
}

/* --------------------------------------------------------------------
   Value chain steps (agro-processing pathway visual)
   Step-count agnostic: each step takes an equal share.
   -------------------------------------------------------------------- */

.chain-steps {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-4);
}

.chain-step {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.chain-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 1.25rem;
  left: calc(50% + 1.5rem);
  width: calc(100% - 3rem);
  height: 2px;
  background-color: var(--color-border-strong);
}

.chain-step__index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  position: relative;
  z-index: 1;
}

.chain-step__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}