/* ═══════════════════════════════════════════════════
   ODS: Alineación Agenda 2030 · CENIGAA
   Diseño alineado al marco visual del proyecto
   ═══════════════════════════════════════════════════ */

/* ── Hero ── */
.ods-hero {
  background: #0d1126;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
  padding-left: 2rem;
  padding-right: 2rem;
  position: relative;
  overflow: hidden;
}
.ods-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 50% 100%, rgba(29, 107, 58, 0.12) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 15% 30%,  rgba(0, 91, 190, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.ods-hero-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Back link */
.ods-back {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  margin-bottom: 1.25rem;
  transition: color 0.2s;
}
.ods-back:hover { color: rgba(255, 255, 255, 0.75); }

/* Eyebrow */
.ods-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary, #005bbe);
  margin-bottom: 0.4rem;
}

/* Título */
.ods-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}
.ods-hero-title span { color: #4ade80; } /* verde ODS */

/* Descripción */
.ods-hero-desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.52);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 0 1.25rem;
}

/* Stats strip */
.ods-hero-stats {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  padding: 0.65rem 1.5rem;
  backdrop-filter: blur(6px);
  margin-bottom: 1.5rem;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}
.ods-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding: 0 1.1rem;
}
.ods-stat-n {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.03em;
}
.ods-stat-l {
  font-size: 0.6rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.38);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.ods-stat-sep {
  width: 1px;
  height: 1.75rem;
  background: rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* Tira de logos ODS */
.ods-logo-strip-wrap {
  width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
}
.ods-logo-strip-wrap::-webkit-scrollbar { display: none; }

.ods-logo-strip {
  display: flex;
  gap: 0.65rem;
  min-width: max-content;
  padding: 0 0.25rem;
}

.ods-logo-pill {
  position: relative;
  cursor: pointer;
  transition: transform 0.18s, opacity 0.18s;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.ods-logo-pill:hover { transform: translateY(-3px) scale(1.06); }
.ods-logo-pill img {
  display: block;
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 8px;
}
.ods-logo-pill.inactive { opacity: 0.25; }
.ods-logo-pill.active   { opacity: 1; box-shadow: 0 0 0 2px #4ade80; }

/* ── Navegación de niveles ── */
.ods-nav-wrap {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 72px; /* debajo del header fijo */
  z-index: 50;
}
.ods-nav-levels {
  max-width: 860px;
  margin: 0 auto;
  padding: 0.85rem 2rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.level-btn {
  padding: 0.45rem 1.15rem;
  border-radius: 20px;
  border: 1.5px solid #d1d5db;
  background: transparent;
  color: #6b7280;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s, background 0.18s;
  white-space: nowrap;
}
.level-btn:hover {
  border-color: var(--primary, #005bbe);
  color: var(--primary, #005bbe);
}
.level-btn.active {
  background: var(--primary, #005bbe);
  border-color: var(--primary, #005bbe);
  color: #ffffff;
}

/* ── Contenido principal ── */
.ods-content {
  background: #ffffff;
  min-height: 60vh;
}

.ods-content-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

/* ── Animación ── */
@keyframes ods-fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.level-intro { display: none; }
.level-intro.visible {
  display: block;
  animation: ods-fadeUp 0.28s ease forwards;
}

/* Cabecera de nivel */
.level-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}
.level-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.level-header-text h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 0.35rem;
  line-height: 1.3;
  text-align: left;
}
.level-header-text p {
  font-size: 0.875rem;
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
  text-align: left;
}

/* ── Tarjetas ODS ── */
.ods-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ods-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.ods-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.ods-card.open {
  border-color: #d1d5db;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}

.ods-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
}

/* Logo ODS oficial */
.ods-card-logo {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.ods-card-title { flex: 1; text-align: left; }
.ods-card-title h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #111827;
  line-height: 1.3;
  margin: 0;
}
.ods-card-label {
  font-size: 0.7rem;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 0.2rem;
}

.ods-chevron {
  width: 18px;
  height: 18px;
  color: #9ca3af;
  transition: transform 0.22s;
  flex-shrink: 0;
}
.ods-card.open .ods-chevron { transform: rotate(180deg); }

/* Cuerpo expandible */
.ods-card-body {
  display: none;
  padding: 0 1.25rem 1.25rem 4.75rem;
}
.ods-card.open .ods-card-body {
  display: block;
  animation: ods-fadeUp 0.2s ease;
}

.ods-desc {
  font-size: 0.9rem;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.grupos-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #9ca3af;
  margin-bottom: 0.5rem;
}
.grupos-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.grupo-chip {
  padding: 0.2rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid;
}
.chip-energia  { background: #fff4ee; border-color: #CC5500; color: #7a3300; }
.chip-agri     { background: #eef6e6; border-color: #3B6D11; color: #244e0b; }
.chip-ambiente { background: #e8f2fb; border-color: #185FA5; color: #0c3f74; }
.chip-transv   { background: #eeecfe; border-color: #534AB7; color: #362f8a; }

/* ── Bloque de tesis final ── */
.ods-tesis-block {
  margin-top: 3.5rem;
  background: #0d1126;
  border-radius: 16px;
  padding: 2.5rem 2.75rem;
  position: relative;
  overflow: hidden;
  text-align: left;
}
.ods-tesis-block::before {
  content: '\201C';
  position: absolute;
  top: -0.5rem;
  left: 1.5rem;
  font-size: 9rem;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
  font-family: Georgia, serif;
  pointer-events: none;
}
.ods-tesis-tag {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1rem;
  display: block;
}
.ods-tesis-block p {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  z-index: 1;
  margin: 0;
  text-align: left;
}
.ods-tesis-source {
  display: block;
  margin-top: 1.25rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.05em;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .ods-hero { padding-top: calc(80px + 2rem); padding-left: 1.25rem; padding-right: 1.25rem; }
  .ods-hero-inner { text-align: left; align-items: flex-start; }
  .ods-hero-stats { padding: 0.75rem 1rem; }
  .ods-stat { padding: 0 0.85rem; }
  .ods-stat-n { font-size: 1.4rem; }
  .ods-nav-levels { padding: 0.75rem 1rem; }
  .ods-content-inner { padding: 2rem 1.25rem 3.5rem; }
  .ods-card-body { padding-left: 1.25rem; }
  .ods-tesis-block { padding: 1.75rem 1.5rem; }
  .level-header { flex-direction: column; gap: 0.75rem; }
}