/* ==========================================================================
   AGRINICHE SEED SYSTEMS CENTER
   Reusable UI Components
   File: assets/css/components.css
   ========================================================================== */

/* --------------------------------------------------------------------
   Generic content sections
   (padding-block already applied globally via layout.css's `section`
   rule — these add background alternation for visual rhythm only)
   -------------------------------------------------------------------- */

.who-we-are,
.services-overview,
.value-chain,
.why-us,
.why-seed-systems,
.our-role,
.who-we-work-with {
  background-color: var(--color-surface);
}

.our-approach,
.program-feature-section,
.program-block-section {
  background-color: var(--color-surface-alt);
}

/* --------------------------------------------------------------------
   Footer wrapper alignment
   -------------------------------------------------------------------- */

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

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

.utility-bar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.utility-bar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.utility-bar__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.9;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.utility-bar__link:hover,
.utility-bar__link:focus-visible {
  opacity: 1;
  color: var(--color-secondary-light);
}

.utility-bar__corporate-link {
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(250, 246, 239, 0.4);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.navbar__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.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);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
}

.navbar__menu-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navbar__link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding-block: var(--space-2);
  transition: color var(--duration-fast) var(--ease-standard);
}

.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,
.navbar__link:focus-visible {
  color: var(--color-primary);
}

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

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

.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); }

/* --------------------------------------------------------------------
   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-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  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);
}

/* --------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------- */

.hero {
  background-color: var(--color-surface-alt);
  padding-block: var(--space-12);
}

.hero__container {
  max-width: var(--container-md);
  text-align: center;
}

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

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

.hero__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.hero__description {
  font-size: var(--font-size-lg);
  max-width: var(--container-sm);
  margin-inline: auto;
  margin-bottom: var(--space-7);
}

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

/* Page hero (interior pages) */
.page-hero {
  background-color: var(--color-surface-alt);
  text-align: center;
  padding-block: var(--space-10);
}

.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);
  max-width: var(--container-sm);
  margin-inline: auto;
}

/* --------------------------------------------------------------------
   Section labels & headings
   -------------------------------------------------------------------- */

.section-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-secondary-dark);
  margin-bottom: var(--space-3);
}

.section-header {
  max-width: var(--container-md);
  margin: 0 auto var(--space-8);
  text-align: center;
}

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

.section-header--left {
  text-align: left;
  margin: 0 0 var(--space-6);
  max-width: none;
}

.section-header__subtitle {
  font-size: var(--font-size-lg);
  max-width: var(--container-sm);
  margin-inline: auto;
}

/* --------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------- */

.service-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);
}

.service-card:hover { box-shadow: var(--shadow-md); }

.service-card__icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

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

.service-card__description {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  flex: 1;
}

.service-card__list {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__list li {
  padding-left: var(--space-5);
  position: relative;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.stakeholder-card,
.crop-card,
.value-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}

.crop-card__icon { font-size: var(--font-size-2xl); margin-bottom: var(--space-2); }
.crop-card__name { font-weight: var(--font-weight-semibold); font-size: var(--font-size-sm); }

.value-card__title { margin-bottom: var(--space-2); font-size: var(--font-size-md); }
.value-card__description { font-size: var(--font-size-sm); }

/* --------------------------------------------------------------------
   Value chain steps (seed value chain visual)
   -------------------------------------------------------------------- */

.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);
}

/* --------------------------------------------------------------------
   Program feature (SEED STARTING)
   -------------------------------------------------------------------- */

.program-feature {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
}

.program-feature__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary-light);
  margin-bottom: var(--space-3);
}

.program-feature__title { color: var(--color-white); margin-bottom: var(--space-3); }

.program-feature__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  opacity: 0.95;
}

.program-feature__description {
  color: var(--color-primary-50);
  max-width: var(--container-sm);
  margin-bottom: var(--space-6);
}

.program-feature .btn--primary {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-primary);
}

.program-feature .btn--primary:hover,
.program-feature .btn--primary:focus-visible {
  background-color: var(--color-primary-50);
}

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

.program-block {
  padding-block: var(--space-9);
  border-bottom: 1px solid var(--color-border);
}

.program-block:last-of-type { border-bottom: none; }

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

.program-block__content {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  max-width: var(--container-md);
}

.program-block__content--spaced {
  margin-bottom: var(--space-6);
}

.program-block__content--spaced {
  margin-bottom: var(--space-6);
}

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

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

.cta-section__content { max-width: var(--container-md); margin-inline: auto; }
.cta-section__heading { margin-bottom: var(--space-4); }
.cta-section__subtitle {
  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);
}

/* --------------------------------------------------------------------
   Forms (contact page)
   -------------------------------------------------------------------- */

.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 label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

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

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

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin: var(--space-7) 0 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); }

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

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

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-8);
  padding-block: var(--space-10);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer-brand__relation {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.85;
  margin-bottom: var(--space-4);
}

.footer-brand__corporate-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary-light);
}

.footer-nav__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 {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.85;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.footer-nav__link:hover, .footer-nav__link:focus-visible {
  opacity: 1;
  color: var(--color-secondary-light);
}

.site-footer__bottom {
  border-top: 1px solid rgba(250, 246, 239, 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;
}