/* =====================================================
   CIATA HOME - BIBLIOTECA VIRTUAL
   ===================================================== */

:root {
  --ciata-shadow-sm: 0 8px 20px rgba(22, 54, 94, 0.06);
  --ciata-shadow-md: 0 12px 30px rgba(22, 54, 94, 0.08);
  --ciata-shadow-lg: 0 18px 42px rgba(22, 54, 94, 0.12);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1rem;
}

.ciata-main {
  margin-top: 2rem;
  margin-bottom: 2.5rem;
}

:focus-visible {
  outline: 3px solid #EFC225;
  outline-offset: 2px;
}

:target {
  scroll-margin-top: 90px;
}

.ciata-skip-link {
  position: absolute;
  left: 1rem;
  top: -48px;
  z-index: 1000;
  background: #16365E;
  color: #ffffff;
  padding: .7rem 1rem;
  border-radius: .8rem;
  text-decoration: none;
  font-weight: 700;
  transition: top .18s ease;
}

.ciata-skip-link:focus,
.ciata-skip-link:focus-visible {
  top: 1rem;
}

/* =====================================================
   HEADER
   ===================================================== */

.ciata-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(22, 54, 94, 0.10);
  box-shadow: 0 4px 18px rgba(22, 54, 94, 0.04);
  transition: box-shadow .18s ease, border-color .18s ease, background-color .18s ease;
}

.ciata-site-header.is-scrolled {
  box-shadow: var(--ciata-shadow-md);
  border-bottom-color: rgba(22, 54, 94, 0.14);
  background: rgba(255, 255, 255, 0.98);
}

.ciata-site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: .9rem;
  padding-bottom: .9rem;
}

.ciata-site-header__brand {
  display: flex;
  align-items: center;
  gap: .9rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.ciata-site-header__logo {
  width: 64px;
  height: auto;
  display: block;
  flex-shrink: 0;
  border-radius: 8px;
}

.ciata-site-header__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .12rem;
  min-width: 0;
}

.ciata-site-header__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #16365E;
  line-height: 1.2;
}

.ciata-site-header__subtitle {
  font-size: .96rem;
  font-weight: 700;
  color: #B88700;
  line-height: 1.3;
}

.ciata-site-header__nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 0;
  margin: 0;
}

.ciata-site-header__logout-form {
  margin: 0;
}

.ciata-site-header__nav a,
.ciata-site-header__logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: .55rem .75rem;
  border-radius: .8rem;
  border: 1px solid rgba(0, 92, 153, 0.16);
  background: #f8fbff;
  color: #005C99;
  text-decoration: none;
  font-weight: 700;
  font: inherit;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, transform .08s ease, border-color .18s ease, box-shadow .18s ease;
}

.ciata-site-header__nav a:hover,
.ciata-site-header__nav a:focus,
.ciata-site-header__logout-btn:hover,
.ciata-site-header__logout-btn:focus {
  background: #eaf3fb;
  color: #16365E;
  border-color: rgba(22, 54, 94, 0.16);
  transform: translateY(-1px);
}

.ciata-site-header__nav a:focus-visible,
.ciata-site-header__logout-btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(239, 194, 37, 0.35);
}

.ciata-site-header__nav a.is-current {
  background: #005C99;
  color: #ffffff;
  border-color: #005C99;
}

.ciata-site-header__extra {
  padding-bottom: .9rem;
}

/* =====================================================
   HOME
   ===================================================== */

.biblioteca-home {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 0 3rem;
}

.biblioteca-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(
    135deg,
    rgba(0, 92, 153, 0.10),
    rgba(11, 122, 57, 0.09)
  );
  border: 1px solid rgba(22, 54, 94, 0.08);
  border-radius: 22px;
  box-shadow: var(--ciata-shadow-lg);
  padding: 1.8rem;
  margin-bottom: 2.2rem;
}

.biblioteca-hero__brand {
  display: flex;
  justify-content: center;
  align-items: center;
}

.biblioteca-hero__logo {
  width: 100%;
  max-width: 260px;
  height: auto;
  display: block;
}

.biblioteca-hero__content h1 {
  margin-bottom: .6rem;
}

.biblioteca-hero__slogan {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: .2px;
  color: #EFC225;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.35),
    0 0 2px rgba(0, 0, 0, 0.22);
  margin-bottom: 1rem;
}

.biblioteca-hero__lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #334155;
  max-width: 62ch;
}

.biblioteca-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.2rem;
}

.biblioteca-hero__actions .btn,
.biblioteca-hero__actions a.btn,
.biblioteca-cta-final .btn,
.biblioteca-cta-final a.btn,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .9rem 1.4rem;
  border-radius: .9rem;
  text-decoration: none;
  font-weight: 700;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .08s ease;
}

.biblioteca-hero__actions .btn {
  background: #0B7A39;
  color: #ffffff;
  border: 2px solid #0B7A39;
  box-shadow: 0 6px 18px rgba(11, 122, 57, 0.18);
}

.biblioteca-hero__actions .btn:hover,
.biblioteca-hero__actions .btn:focus {
  background: #075C2B;
  border-color: #075C2B;
  color: #ffffff;
  transform: translateY(-1px);
}

.biblioteca-hero__actions .btn-secondary {
  background: #ffffff;
  color: #005C99;
  border: 2px solid #005C99;
  font-weight: 700;
  box-shadow: none;
}

.biblioteca-hero__actions .btn-secondary:hover,
.biblioteca-hero__actions .btn-secondary:focus {
  background: #eaf3fb;
  color: #16365E;
  border-color: #16365E;
  transform: translateY(-1px);
}

.btn:focus-visible,
.ciata-site-header__nav a:focus-visible,
.btn-outline:focus-visible {
  box-shadow: 0 0 0 3px rgba(239, 194, 37, 0.35);
}

.btn-outline {
  background: transparent;
  color: #005C99;
  border: 2px solid #005C99;
}

.btn-outline:hover,
.btn-outline:focus {
  background: #eaf3fb;
  color: #16365E;
  border-color: #16365E;
  transform: translateY(-1px);
}

.biblioteca-bloco {
  background: #ffffff;
  border: 1px solid rgba(22, 54, 94, 0.08);
  border-radius: 18px;
  box-shadow: var(--ciata-shadow-md);
  padding: 1.4rem;
  margin-bottom: 1.3rem;
}

.biblioteca-bloco--destaque {
  border-left: 6px solid #0B7A39;
  background: linear-gradient(180deg, #ffffff, #fbfefc);
}

.biblioteca-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.biblioteca-card {
  background: #ffffff;
  border: 1px solid rgba(22, 54, 94, 0.08);
  border-top: 5px solid #005C99;
  border-radius: 18px;
  box-shadow: var(--ciata-shadow-md);
  padding: 1.3rem;
}

.biblioteca-card:nth-child(2) {
  border-top-color: #0B7A39;
}

.biblioteca-card:nth-child(3) {
  border-top-color: #D9A300;
}

.biblioteca-passos {
  margin: 0;
  padding-left: 1.3rem;
}

.biblioteca-passos li + li {
  margin-top: .5rem;
}

.biblioteca-cta-final {
  background: #16365E;
  color: #ffffff;
  padding: 1.5rem;
  border-radius: 22px;
  box-shadow: var(--ciata-shadow-lg);
}

.biblioteca-cta-final h2,
.biblioteca-cta-final p {
  color: #ffffff;
}

.biblioteca-cta-final .btn {
  background: #0B7A39;
  border: 2px solid #0B7A39;
  color: #ffffff;
}

.biblioteca-cta-final .btn:hover,
.biblioteca-cta-final .btn:focus {
  background: #075C2B;
  border-color: #075C2B;
  color: #ffffff;
}

.biblioteca-cta-final .btn-secondary {
  background: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
  box-shadow: none;
}

.biblioteca-cta-final .btn-secondary:hover,
.biblioteca-cta-final .btn-secondary:focus {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: #ffffff;
}

.apps-listagem .biblioteca-card {
  margin-bottom: 1rem;
}

.apps-listagem h2 {
  margin-bottom: 1rem;
}

.apps-listagem h3 {
  margin-bottom: .55rem;
}

.apps-listagem .biblioteca-card p:last-child {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .ciata-site-header__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .ciata-site-header__nav {
    margin-left: 1rem;
  }

  .biblioteca-hero {
    grid-template-columns: 320px 1fr;
    padding: 2rem;
  }

  .biblioteca-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .biblioteca-bloco,
  .biblioteca-card {
    padding: 1.5rem;
  }
}