/* ============================================================
   UBCAR.ro — Reusable UI Components
   Buttons, cards, hero sections, badges, breadcrumbs
   ============================================================ */

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary-500);
  outline-offset: 3px;
}

/* Primary Button */
.btn--primary {
  background-color: var(--color-primary-600);
  color: var(--color-text-inverse);
  border-color: var(--color-primary-600);
}

.btn--primary:hover {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  color: var(--color-text-inverse);
}

/* Secondary Button */
.btn--secondary {
  background-color: var(--color-secondary-500);
  color: var(--color-gray-900);
  border-color: var(--color-secondary-500);
}

.btn--secondary:hover {
  background-color: var(--color-secondary-600);
  border-color: var(--color-secondary-600);
  color: var(--color-gray-900);
}

/* Outline Button */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.btn--outline:hover {
  background-color: var(--color-primary-600);
  color: var(--color-text-inverse);
}

/* Ghost Button (text only) */
.btn--ghost {
  background-color: transparent;
  color: var(--color-primary-600);
  border-color: transparent;
  padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
  background-color: var(--color-primary-50);
}

/* Button Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

@media (max-width: 480px) {
  .btn--lg {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
}

/* ----------------------------------------
   Cards
   ---------------------------------------- */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  border: 1px solid var(--color-gray-100);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__body {
  padding: var(--space-6);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.card__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Person Card (Leadership) */
.card--person {
  text-align: center;
}

.card--person .card__image {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: var(--space-6) auto var(--space-4);
}

.card--person .card__title {
  font-size: var(--font-size-lg);
}

.card--person .card__role {
  font-size: var(--font-size-sm);
  color: var(--color-primary-600);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-3);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 50vh;
  padding: var(--space-20) 0;
  background-color: var(--color-primary-900);
  background-size: cover;
  background-position: center;
  color: var(--color-text-inverse);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(27, 55, 128, 0.85) 0%,
    rgba(62, 102, 171, 0.7) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  color: var(--color-white);
  max-width: 60ch;
}

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

/* Smaller hero for subpages */
.hero--sm {
  min-height: 30vh;
  padding: var(--space-16) 0;
}

.hero--sm .hero__title {
  font-size: var(--font-size-3xl);
}

@media (max-width: 767px) {
  .hero {
    min-height: auto;
    padding: var(--space-10) 0;
  }

  .hero--sm {
    min-height: auto;
    padding: var(--space-8) 0;
  }

  .hero--sm .hero__title {
    font-size: var(--font-size-2xl);
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    gap: var(--space-3);
  }

  .hero__actions .btn {
    width: 100%;
  }
}

/* Hero buttons on dark background */
.hero .btn--outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

.hero .btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary-700);
}

/* ----------------------------------------
   Section Header
   ---------------------------------------- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

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

.section-header__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 767px) {
  .section-header {
    margin-bottom: var(--space-8);
  }

  .section-header__title {
    font-size: var(--font-size-2xl);
  }

  .section-header__subtitle {
    font-size: var(--font-size-base);
  }
}

/* ----------------------------------------
   Badge / Tag
   ---------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  border-radius: var(--radius-full);
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
}

.badge--secondary {
  background-color: var(--color-secondary-50);
  color: var(--color-secondary-900);
}

.badge--accent {
  background-color: var(--color-accent-50);
  color: var(--color-accent-900);
}

/* ----------------------------------------
   Breadcrumb
   ---------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  list-style: none;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item::before {
  content: '/';
  color: var(--color-gray-400);
}

.breadcrumb__item:first-child::before {
  content: none;
}

.breadcrumb__link {
  color: var(--color-primary-700);
  text-decoration: none;
}

.breadcrumb__link:hover {
  color: var(--color-primary-800);
  text-decoration: underline;
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* Breadcrumb inside hero (dark background) */
.hero .breadcrumb {
  color: rgba(255, 255, 255, 0.7);
}

.hero .breadcrumb__item::before {
  color: rgba(255, 255, 255, 0.5);
}

.hero .breadcrumb__link {
  color: var(--color-white);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 2px;
}

.hero .breadcrumb__link:hover {
  color: var(--color-white);
  text-decoration-color: var(--color-white);
}

.hero .breadcrumb__current {
  color: rgba(255, 255, 255, 0.85);
}

/* ----------------------------------------
   CTA Section
   ---------------------------------------- */
.cta {
  background-color: var(--color-primary-600);
  color: var(--color-text-inverse);
  text-align: center;
  padding: var(--space-16) var(--container-padding);
  border-radius: var(--radius-xl);
}

.cta__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.cta__text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
  opacity: 0.9;
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-white);
}

@media (max-width: 767px) {
  .cta {
    padding: var(--space-10) var(--space-6);
    border-radius: var(--radius-lg);
  }

  .cta__title {
    font-size: var(--font-size-xl);
  }

  .cta__text {
    font-size: var(--font-size-base);
  }

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

  .cta__actions .btn {
    width: 100%;
  }
}

.cta .btn--primary {
  background-color: var(--color-white);
  color: var(--color-primary-700);
  border-color: var(--color-white);
}

.cta .btn--primary:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

.cta .btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.cta .btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary-700);
}

/* ----------------------------------------
   Media Embed (responsive 16:9)
   ---------------------------------------- */
.embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ----------------------------------------
   Download Item
   ---------------------------------------- */
.download {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.download:hover {
  border-color: var(--color-primary-300);
  background-color: var(--color-primary-50);
}

.download__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-50);
  border-radius: var(--radius-md);
  color: var(--color-primary-600);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xs);
}

.download__info {
  flex: 1;
  text-align: justify;
}

.download__title {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.download__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ----------------------------------------
   Form Validation States
   ---------------------------------------- */
.form__input--error,
.form__input--error:focus {
  border-color: var(--color-error, #dc2626);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form__error {
  display: block;
  margin-top: var(--space-1, 0.25rem);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-error, #dc2626);
  line-height: 1.4;
}

.form__status {
  margin-bottom: var(--space-4, 1rem);
  padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
  border-radius: var(--radius-md, 0.5rem);
  font-size: var(--font-size-sm, 0.875rem);
  display: none;
}

.form__status--success,
.form__status--error {
  display: block;
}

.form__status--success {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form__status--error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ----------------------------------------
   Lightbox
   ---------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4, 1rem);
  right: var(--space-4, 1rem);
  z-index: 2;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: var(--space-2, 0.5rem);
  transition: opacity 0.2s;
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  opacity: 0.7;
}

.lightbox__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-4, 1rem);
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__img-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__img {
  max-width: 80vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md, 0.5rem);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.lightbox__caption {
  color: #e5e7eb;
  font-size: var(--font-size-sm, 0.875rem);
  margin-top: var(--space-3, 0.75rem);
  text-align: center;
  max-width: 60ch;
}

.lightbox__caption:empty {
  display: none;
}

.lightbox__counter {
  color: #9ca3af;
  font-size: var(--font-size-xs, 0.75rem);
  margin-top: var(--space-2, 0.5rem);
}

.lightbox__prev,
.lightbox__next {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  padding: var(--space-3, 0.75rem);
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.lightbox__prev:hover,
.lightbox__prev:focus-visible,
.lightbox__next:hover,
.lightbox__next:focus-visible {
  opacity: 0.7;
}

@media (max-width: 768px) {
  .lightbox__prev,
  .lightbox__next {
    font-size: 1.5rem;
    padding: var(--space-2, 0.5rem);
  }

  .lightbox__img {
    max-width: 95vw;
    max-height: 70vh;
  }
}