/* =============================================================
   INVESTIGACION.CSS
   Estilos exclusivos de la página "La investigación".
   Requiere global.css cargado antes (variables, nav, botones, footer).
   ============================================================= */

/* ===== NAV: enlace activo y menú móvil ===== */
.nav-links a.is-active {
  color: var(--orange);
}

.nav-links a.is-active::after {
  width: 100%;
}

.hamburger:focus-visible,
.nav-links a:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-white:focus-visible,
.btn-outline-white:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

/* Los botones de global.css son <a> en línea: los hacemos bloque para que el padding no se superponga */
.btn-primary,
.btn-secondary,
.btn-white,
.btn-outline-white {
  display: inline-block;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===== ENCABEZADO ===== */
.inv-hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(204, 102, 153, 0.28), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(85, 176, 210, 0.22), transparent 45%),
    var(--dark);
  color: white;
  padding: calc(72px + 6rem) 8% 6rem;
}

.inv-hero-inner {
  max-width: 820px;
}

.inv-hero-kicker {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--yellow);
  margin-bottom: 1.5rem;
}

.inv-hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.05;
  color: #f0a0c8;
  margin-bottom: 1.5rem;
}

.inv-hero-title span {
  color: var(--orange);
}

.inv-hero-text {
  font-size: 1.1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

/* ===== CABECERAS DE SECCIÓN ===== */
.inv-head {
  max-width: 760px;
  margin-bottom: 3rem;
}

.inv-head .section-body em {
  color: #333;
}

/* ===== ¿QUÉ INVESTIGAMOS? ===== */
.inv-que {
  background: var(--cream);
}

/* Pregunta central */
.inv-pregunta {
  background: var(--dark);
  color: white;
  border-radius: 24px;
  padding: 3rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.inv-pregunta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--pink);
  opacity: 0.18;
}

.inv-pregunta h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--yellow);
  margin-bottom: 1rem;
  position: relative;
}

.inv-pregunta-q {
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.35;
  max-width: 900px;
  margin-bottom: 1.5rem;
  position: relative;
}

.inv-pregunta-ctx {
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
  max-width: 760px;
  position: relative;
}

/* Tarjetas */
.inv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.inv-card {
  --accent: var(--green);
  background: white;
  border-radius: 20px;
  padding: 2rem;
  border-left: 8px solid var(--accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.inv-card-wide {
  grid-column: 1 / -1;
}

.inv-card h3 {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 0.9rem;
  line-height: 1.2;
}

.inv-card p {
  font-size: 0.97rem;
  line-height: 1.7;
  color: #555;
}

.inv-card p + p {
  margin-top: 0.9rem;
}

.inv-card strong {
  color: var(--dark);
}

.inv-nota {
  font-size: 0.88rem !important;
  color: #777 !important;
}

/* Etiquetas de técnicas */
.inv-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.inv-tags li {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(85, 176, 210, 0.15);
  color: #1a6a88;
}

/* Ciclo de la IA (sí es una secuencia) */
.inv-ciclo {
  list-style: none;
  counter-reset: paso;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.inv-ciclo li {
  counter-increment: paso;
  background: rgba(204, 102, 153, 0.08);
  border-radius: 14px;
  padding: 1rem 1rem 1.1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #555;
}

.inv-ciclo li::before {
  content: counter(paso);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--pink);
  color: white;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.inv-ciclo strong {
  color: #8c2a5c;
}

/* Lista de impacto */
.inv-lista {
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.inv-lista li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.97rem;
  line-height: 1.65;
  color: #555;
}

.inv-lista li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== FASES ===== */
.inv-fases {
  background: var(--white);
}

.fases-lista {
  list-style: none;
  max-width: 900px;
  display: grid;
  gap: 1.5rem;
}

.fase {
  --accent: var(--green);
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  border-radius: 20px;
  background: var(--cream);
  border-top: 6px solid var(--accent);
}

.fase-marca {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.1;
}

.fase-cuerpo h3 {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.fase-cuerpo ul {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.fase-cuerpo li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.97rem;
  line-height: 1.6;
  color: #555;
}

.fase-cuerpo li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== ALIADOS ===== */
.inv-aliados {
  background: var(--cream);
}

.aliados-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.aliado {
  --accent: var(--orange);
  background: white;
  border-radius: 20px;
  padding: 2rem 1.75rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 6px solid var(--accent);
}

.aliado-mono {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
}

.aliado-logo {
  display: block;
  height: 72px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.aliado h3 {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.aliado p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #666;
}

/* ===== EQUIPO ===== */
.inv-equipo {
  background: var(--white);
}

.equipo-subtitulo {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--dark);
  margin: 3.5rem 0 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 3px solid var(--cream);
}

.inv-head + .equipo-subtitulo {
  margin-top: 0;
}

.inv-personas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.inv-personas-2 {
  grid-template-columns: repeat(2, 1fr);
}

.persona {
  --accent: var(--green);
  background: var(--cream);
  border-radius: 18px;
  padding: 1.6rem 1.5rem;
  border-left: 6px solid var(--accent);
}

.persona-rol {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 100px;
  background: white;
  color: #555;
  margin-bottom: 0.9rem;
}

.persona h4 {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.persona-fac {
  font-size: 0.9rem;
  font-weight: 700;
  color: #444;
  line-height: 1.5;
  margin-bottom: 0.25rem;
}

.persona-grupo {
  font-size: 0.85rem;
  color: #777;
  line-height: 1.5;
}

/* Semilleros */
.semilleros-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.semillero {
  --accent: var(--green);
  background: white;
  border: 2px solid var(--cream);
  border-top: 6px solid var(--accent);
  border-radius: 18px;
  padding: 1.5rem;
}

.semillero h4 {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.semillero h4 span {
  font-weight: 400;
  font-size: 0.9rem;
  color: #777;
}

.semillero-meta {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #777;
  margin-bottom: 1rem;
}

.semillero ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.semillero li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: #333;
  line-height: 1.4;
}

.semillero li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== CIERRE ===== */
.inv-cierre {
  background: linear-gradient(135deg, var(--green) 0%, var(--blue) 100%);
  color: white;
  text-align: center;
}

.inv-cierre-inner {
  max-width: 720px;
  margin: 0 auto;
}

.inv-cierre h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.inv-cierre p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.inv-cierre-ctas {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .inv-ciclo {
    grid-template-columns: repeat(2, 1fr);
  }

  .semilleros-grid,
  .aliados-grid,
  .inv-personas {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 1.5rem 5%;
    background: var(--white);
    border-bottom: 3px solid var(--green);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  }

  .inv-hero {
    padding: calc(72px + 4rem) 6% 4rem;
  }

  .inv-grid {
    grid-template-columns: 1fr;
  }

  .inv-pregunta {
    padding: 2rem 1.5rem;
  }

  .fase {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 640px) {

  .inv-ciclo,
  .semilleros-grid,
  .aliados-grid,
  .inv-personas,
  .inv-personas-2 {
    grid-template-columns: 1fr;
  }

  .inv-card {
    padding: 1.5rem;
  }
}

/* Respeta a quien prefiere menos movimiento */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== Estados del equipo (carga / error) ===== */
.equipo-estado {
  grid-column: 1 / -1;
  font-size: 0.95rem;
  color: #777;
}

.equipo-error {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: rgba(204, 102, 153, 0.12);
  color: #8c2a5c;
  font-weight: 600;
}

/* ===== FICHA DEL PROYECTO ===== */
.inv-ficha {
  background: var(--white);
  padding: 2.5rem 8%;
  border-bottom: 3px solid var(--cream);
}

.ficha-lista {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ficha-item {
  border-left: 4px solid var(--orange);
  padding-left: 1rem;
}

.ficha-item:nth-child(2) { border-color: var(--green); }
.ficha-item:nth-child(3) { border-color: var(--blue); }
.ficha-item:nth-child(4) { border-color: var(--pink); }
.ficha-item:nth-child(5) { border-color: var(--purple); }

.ficha-item dt {
  font-size: 0.78rem;
  font-weight: 700;
  color: #777;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.ficha-item dd {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.35;
}

@media (max-width: 1100px) {
  .ficha-lista { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .inv-ficha { padding: 2rem 6%; }
  .ficha-lista { grid-template-columns: 1fr 1fr; }
}