:root{
  --oaj-dark:#454c5d;
  --oaj-dark-2:#454c5d;
  --soft:#f6f6f7;
  --card:#f2f2f2;
  --muted:#6c757d;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --shadow-2: 0 18px 45px rgba(0,0,0,.12);
  --radius: 28px;
}

*{scroll-behavior:smooth;}

body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:#1d232b;
  background:#ffffff;
}

/* NAV */
.nav-oaj{
  background: var(--oaj-dark);
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
  position: relative;
}
.nav-oaj::after{
  content:"";
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 20px;
  background: #6d7589;
}
.brand-logo{
  height:48px;
  width:auto;
  object-fit:contain;
}
@media (min-width: 992px){
  .brand-logo{ height:54px; }
}

/* HERO (landing) */
.hero-wrap{
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 50%, #ffffff 50%, #ffffff 100%);
  position:relative;
  overflow: visible;
}
.hero-wrap::before{
  content:"";
  position:absolute;
  inset:0 0 45% 0;
  background: radial-gradient(1200px 600px at 70% 40%, rgba(0,0,0,.04), transparent 55%),
              linear-gradient(180deg, rgba(0,0,0,.02), transparent 45%);
  pointer-events:none;
}
.hero-title{ letter-spacing:-.02em; }
.hero-subtitle{ color:#222; opacity:.85; letter-spacing:-.02em; }

.hero-kicker{
  background: rgba(0,0,0,.04);
  border-radius: 999px;
  padding: 8px 12px;
}
.hero-kicker .dot{
  width:10px;height:10px;border-radius:50%;
  background:#2b2f36;
}

.hero-illustration{
  display: block;
  width: min(100%, 980px);
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

/* Quick actions */
.quick-actions{
  padding: 10px 0 48px 0;
}
.quick-actions .row > [class*="col-"]{
  display: flex;
}
.action-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  min-height: 180px;
  height: 100%;
  width: 100%;
  background: var(--card);
  border-radius: 10px;
  text-decoration:none;
  color:#1c222a;
  border:1px solid rgba(0,0,0,.04);
  box-shadow: 0 8px 22px rgba(0,0,0,.08);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  padding: 18px 16px;
}
.action-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  background: #efefef;
}
.action-icon{
  width:64px;height:64px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  color:#8d95a3;
  border: 2px solid rgba(141,149,163,.6);
  margin-bottom: 14px;
}
.action-icon i{ font-size: 30px; }
.action-title{
  font-weight: 600;
  font-size: 18px;
  line-height: 1.15;
}
.action-meta{
  font-weight: 500;
  font-size: 14px;
  color: rgba(0,0,0,.65);
}

/* Sections */
.section-pad{ padding: 64px 0; }
.section-title{ font-weight: 800; letter-spacing:-.02em; }
.section-lead{ color: rgba(0,0,0,.7); font-size: 1.1rem; }

.bg-soft{ background: var(--soft); }

.glass-card{
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.feature-list{ display:flex; flex-direction:column; gap: 14px; margin-top: 18px; }
.feature{ display:flex; gap: 14px; align-items:flex-start; }
.feature-badge{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background:#fff;
  box-shadow: 0 10px 22px rgba(0,0,0,.08);
}
.feature-badge i{ font-size: 20px; }

.checklist{ list-style:none; padding-left:0; }
.checklist li{ display:flex; gap:10px; align-items:flex-start; padding: 8px 0; color: rgba(0,0,0,.72); }
.checklist i{ font-size: 18px; margin-top: 2px; }

/* Tutorial cards */
.video-card{
  border-radius: var(--radius);
  overflow:hidden;
  background:#fff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.05);
  transition: transform .18s ease, box-shadow .18s ease;
}
.video-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-2); }
.video-card[data-bs-toggle="modal"]:hover .video-thumb i{
  transform: scale(1.1);
  transition: transform .2s ease;
}
.video-thumb{
  height: 160px;
  background: radial-gradient(800px 200px at 25% 20%, rgba(0,0,0,.06), transparent 60%),
              linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.03));
  display:grid; place-items:center;
}
.video-thumb i{
  font-size: 42px;
  background: rgba(0,0,0,.75);
  color:#fff;
  width:64px;height:64px;border-radius: 999px;
  display:grid;place-items:center;
  box-shadow: 0 18px 40px rgba(0,0,0,.25);
}

/* Normativa */
.doc-card{
  display:flex;
  align-items:center;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius);
  background:#fff;
  border:1px solid rgba(0,0,0,.05);
  box-shadow: var(--shadow);
}
.doc-icon{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(0,0,0,.03);
}
.doc-icon i{ font-size: 20px; }

.manual-download-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.image-zoom-controls{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pdf-modal-dialog{
  width: min(96vw, 1400px);
  max-width: none;
  margin: 1rem auto;
}

.pdf-modal-body{
  height: min(82vh, 980px);
}

.pdf-modal-frame{
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.image-modal-body{
  overflow: auto;
}

.image-modal-dialog{
  width: min(96vw, 1400px);
  max-width: none;
  margin: 1rem auto;
}

.image-modal-stage{
  min-width: 100%;
  min-height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
}

.image-modal-preview{
  width: 100%;
  height: auto;
  transform: scale(var(--image-modal-zoom, 1));
  transform-origin: top center;
  transition: transform .2s ease;
}

@media (max-width: 768px){
  .image-zoom-controls{
    gap: 4px;
  }

  .image-modal-stage{
    padding: 12px;
  }
}

@media (min-width: 992px){
  .pdf-modal-dialog{
    width: 75vw;
  }

  .image-modal-dialog{
    width: 60vw;
  }
}

.resources-grid .manuals-panel,
.resources-grid .tutorials-panel{
  background: rgba(255,255,255,.55);
  border: 1px solid rgba(0,0,0,.05);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 10px 24px rgba(0,0,0,.04);
}

.resources-grid{
  align-items: start;
}

.resources-grid .manuals-panel .row.g-4{
  max-height: 520px;
  overflow-y: auto;
  padding-right: 6px;
}

.resources-grid .doc-card{
  border-radius: 20px;
  padding: 14px 16px;
}

.resources-grid .doc-card .fw-semibold{
  font-size: 1.05rem;
  line-height: 1.4;
}

.resources-grid .manual-download-btn{
  min-width: 112px;
  font-weight: 600;
}

.resources-grid .tutorial-card{
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.resources-grid .tutorials-panel .row > [class*="col-"]{
  display: flex;
}

.resources-grid .tutorial-card .video-thumb{
  height: 170px;
}

.resources-grid .tutorial-card .p-3{
  min-height: 108px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 991.98px){
  .resources-grid .manuals-panel .row.g-4{
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}

@media (min-width: 992px){
  .resources-grid .tutorials-col{
    position: sticky;
    top: 98px;
    align-self: start;
  }
}

@media (max-width: 767.98px){
  .resources-grid .manuals-panel,
  .resources-grid .tutorials-panel{
    padding: 16px;
  }

  .resources-grid .doc-card{
    align-items: flex-start;
    gap: 12px;
  }

  .resources-grid .doc-card .fw-semibold{
    font-size: 1rem;
  }

  .resources-grid .manual-download-btn{
    margin-top: 6px;
  }

  .resources-grid .manuals-panel .row.g-4{
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .resources-grid .tutorial-card .video-thumb{
    height: 160px;
  }

  .resources-grid .tutorial-card .p-3{
    min-height: 96px;
  }
}

/* Contact */
.contact-card{
  border-radius: var(--radius);
  background:#fff;
  box-shadow: var(--shadow);
  border:1px solid rgba(0,0,0,.05);
}
.contact-ico{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(0,0,0,.03);
}
.map-placeholder{
  height: 420px;
  background: radial-gradient(900px 400px at 60% 30%, rgba(0,0,0,.05), transparent 55%),
              linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.03));
}

/* Footer */
.footer-oaj{
  background: var(--oaj-dark);
}
.footer-top-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  text-decoration: none;
  background: rgba(255,255,255,.08);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.footer-top-btn:hover{
  color: #fff;
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.55);
  transform: translateY(-1px);
}
.footer-top-btn i{ font-size: 14px; }

.back-to-top{
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(23,26,31,.9);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(0,0,0,.25);
  z-index: 1000;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.back-to-top:hover{
  color: #fff;
  background: rgba(23,26,31,1);
  border-color: rgba(255,255,255,.4);
  transform: translateY(-2px);
}

/* Manuales page */
.manuals-hero{
  background: #f7f6f5;
  position:relative;
  overflow:hidden;
}
.manuals-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(1200px 600px at 75% 30%, rgba(0,0,0,.06), transparent 55%);
  pointer-events:none;
}
.manuals-illustration{
  max-height: 260px;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.12));
}
.filter-bar{
  background: #efe7e0;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: var(--shadow);
}
.filter-label{
  min-width: 120px;
  color: rgba(0,0,0,.65);
}

/* Manual card */
.manual-card{
  background:#f3f3f3;
  border:1px solid rgba(0,0,0,.05);
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(0,0,0,.08);
  height: 100%;
  padding: 18px 18px 14px 18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.manual-title{ font-weight: 800; font-size: 15px; margin-bottom: 2px; }
.manual-sub{ font-size: 12px; color: rgba(0,0,0,.55); margin-bottom: 8px; }
.manual-desc{ font-size: 12px; color: rgba(0,0,0,.45); min-height: 44px; }
.manual-btn{
  margin-top:auto;
  width:100%;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

/* Model cards */
.model-card{
  background:#fff;
  border:1px solid rgba(0,0,0,.08);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow:hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.model-card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.model-header{
  background: #6d7589;
  padding: 20px 24px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap:16px;
  transition: background .2s ease;
}
.model-header:hover{
  background: #5a6270;
}
.model-header[aria-expanded="true"] i.bi-chevron-down{
  transform: rotate(180deg);
  transition: transform .3s ease;
}
.model-header[aria-expanded="false"] i.bi-chevron-down{
  transform: rotate(0deg);
  transition: transform .3s ease;
}
.model-number{
  width:48px;
  height:48px;
  border-radius:12px;
  background: rgba(255,255,255,.15);
  border: 2px solid rgba(255,255,255,.3);
  display:grid;
  place-items:center;
  font-weight: 800;
  font-size: 24px;
  color:#fff;
  flex-shrink:0;
}
.model-title{
  color:#fff;
  font-weight: 700;
  font-size: 1.25rem;
  margin:0;
  letter-spacing:-.01em;
}
.model-desc{
  padding: 20px 24px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  color: rgba(0,0,0,.7);
  line-height: 1.6;
  margin:0;
}
.model-section{
  padding: 20px 24px;
}
.model-section-title{
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 14px;
  color: #2c3e50;
  display:flex;
  align-items:center;
}
.model-list{
  list-style:none;
  padding-left:0;
  margin-bottom:0;
}
.model-list li{
  padding: 6px 0 6px 24px;
  position:relative;
  color: rgba(0,0,0,.7);
  line-height: 1.5;
}
.model-list li:before{
  content:"•";
  position:absolute;
  left:8px;
  color:#6c757d;
  font-weight:bold;
}
.model-note{
  font-style:italic;
  color: rgba(0,0,0,.6);
  font-size: .95rem;
  margin-top: 12px;
  margin-bottom:0;
}
.model-highlight{
  background: #e8f5e9;
  border-left: 4px solid #4caf50;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 600;
  color: #2e7d32;
  margin-top: 12px;
  margin-bottom:0;
}

/* Autoenrolamiento */
.autoenroll-heading{
  max-width: 900px;
  margin-inline: auto;
}
.autoenroll-kicker{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(69,76,93,.08);
  color: var(--oaj-dark);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.autoenroll-shell{
  position: relative;
  overflow: hidden;
}
.autoenroll-shell::before{
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(109,117,137,.12) 0%, rgba(109,117,137,0) 70%);
  pointer-events: none;
}
.autoenroll-lead,
.autoenroll-intro{
  color: rgba(0,0,0,.75);
  line-height: 1.7;
}
.autoenroll-panel{
  height: 100%;
  padding: 24px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.62));
  box-shadow: 0 14px 34px rgba(0,0,0,.05);
}
.autoenroll-panel-title,
.autoenroll-block-title{
  font-weight: 700;
  color: #2c3e50;
  display: flex;
  align-items: center;
}
.autoenroll-panel-title{
  margin-bottom: 14px;
}
.autoenroll-block-title{
  font-size: 1.05rem;
}
.autoenroll-divider{
  border-top: 1px solid rgba(69,76,93,.12);
  opacity: 1;
}
.autoenroll-badges{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.autoenroll-badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(69,76,93,.2);
  background: #fff;
  color: var(--oaj-dark);
  font-size: .9rem;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(0,0,0,.05);
}
.autoenroll-alert{
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(232,245,233,.95), rgba(244,250,244,.95));
  color: #245a29;
  box-shadow: 0 12px 26px rgba(76,175,80,.08);
}
.autoenroll-cta{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(69,76,93,.08), rgba(255,255,255,.9));
  border: 1px solid rgba(69,76,93,.08);
  box-shadow: var(--shadow);
}
.autoenroll-cta-title{
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--oaj-dark);
  margin-bottom: 6px;
}
.autoenroll-cta-btn{
  flex-shrink: 0;
}
.autoenroll-cta-actions{
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* Accordion transitions */
.accordion-collapse{
  transition: height .3s ease;
}
.accordion-collapse.collapsing{
  transition: height .3s ease;
}

/* Video modal */
#videoModal .modal-xl{
  max-width: 1200px;
}
#videoModal video{
  background: #000;
  min-height: 400px;
  width: 100%;
  object-fit: contain;
}
@media (max-width: 768px){
  #videoModal video{
    min-height: 250px;
  }

  .autoenroll-cta{
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .autoenroll-cta-btn{
    width: 100%;
  }

  .autoenroll-cta-actions{
    justify-content: stretch;
  }
}