/* ==========================================================================
   ARPSYDE - INVESTIGACION.CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */

.inv-hero {
  position: relative;
  overflow: hidden;
  padding: 9rem 0 0;
  background: var(--dark);
}

.inv-hero-bg, .inv-overlay { position: absolute; inset: 0; }
.inv-hero-bg { z-index: 0; }

.inv-hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 25%;
}

.inv-overlay {
  background: linear-gradient(105deg,
    rgba(15,22,8,.99) 0%,
    rgba(15,22,8,.97) 28%,
    rgba(15,22,8,.88) 48%,
    rgba(15,22,8,.55) 70%,
    rgba(15,22,8,.3) 100%);
}

.inv-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.inv-hero-content {
  max-width: 72rem;
  padding-bottom: 4rem;
}

.inv-hero-content .hero-kicker { margin-bottom: 1rem; }

.inv-hero-content h1 {
  max-width: 20ch;
  font-size: clamp(2.6rem, 4.5vw, 4.2rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.inv-hero-content .hero-text {
  max-width: 48ch;
  margin-top: 1.2rem;
  color: rgba(255,255,255,.84);
}

.inv-hero-content .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 1.9rem;
}

/* Stats bar pegada al fondo del hero */
.inv-hero-stats {
  display: flex;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: auto;
}

.inv-hero-stat {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: 1.6rem 3rem 1.6rem 0;
  border-right: 1px solid rgba(255,255,255,.1);
  margin-right: 3rem;
}

.inv-hero-stat:last-child { border-right: 0; margin-right: 0; }

.inv-hero-stat-num {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: var(--text-xl);
  color: var(--accent);
  line-height: 1;
}

.inv-hero-stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* --------------------------------------------------------------------------
   INTRO
   -------------------------------------------------------------------------- */

.inv-intro { background: var(--surface); }

.inv-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 4rem;
  align-items: center;
}

.inv-intro-text .section-label { margin-bottom: .9rem; }

.inv-intro-text h2 {
  max-width: 24ch;
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: 1.2rem;
}

.inv-lead {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--dark);
  font-weight: 500;
  padding-left: 1.2rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 1rem;
}

.inv-intro-text p + p { margin-top: 1rem; }

.inv-intro-aside {
  display: grid;
  gap: 1rem;
  align-self: center;
}

.inv-stat-card {
  padding: 1.75rem;
  background: #f8faf5;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease), box-shadow var(--ease);
}

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

.inv-stat-card--accent {
  background: var(--dark);
  border-color: rgba(157,200,50,.18);
}

.inv-stat-card--accent h3,
.inv-stat-card--accent p { color: rgba(255,255,255,.88); }

.inv-stat-label {
  display: inline-block;
  margin-bottom: .65rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

.inv-stat-card h3 {
  font-size: var(--text-md);
  margin-bottom: .5rem;
  color: var(--dark);
}

/* Cita destacada */
.inv-quote {
  margin: 4rem 0 0;
  padding: 2.5rem 3rem;
  background: var(--dark);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent);
  position: relative;
  overflow: hidden;
}

.inv-quote::before {
  content: "«";
  position: absolute;
  top: -1.5rem;
  left: 2rem;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 10rem;
  color: rgba(157,200,50,.08);
  line-height: 1;
  pointer-events: none;
}

.inv-quote p {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(1.2rem, 1.8vw, 1.65rem);
  line-height: 1.5;
  color: #fff;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.inv-quote cite {
  display: block;
  margin-top: 1.2rem;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
  font-style: normal;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   LÍNEAS — dark, cards con tags
   -------------------------------------------------------------------------- */

.inv-lines {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,.06);
}

.inv-lines .section-label { color: var(--accent); }
.inv-lines h2 { color: #fff; }
.inv-lines .section-heading-row p { color: rgba(255,255,255,.65); }

.inv-lines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 2.6rem;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.inv-card {
  background: rgba(255,255,255,.03);
  transition: background var(--ease);
}

.inv-card:hover { background: rgba(255,255,255,.07); }

.inv-card--featured { background: rgba(157,200,50,.07); }
.inv-card--featured:hover { background: rgba(157,200,50,.12); }

.inv-card-inner { padding: 2.2rem; height: 100%; display: flex; flex-direction: column; }

.inv-card-num {
  display: block;
  margin-bottom: .8rem;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(2rem, 1.8rem + 1vw, 2.8rem);
  line-height: 1;
  color: var(--accent);
}

.inv-card h3 {
  margin-bottom: .7rem;
  font-size: var(--text-lg);
  color: #fff;
}

.inv-card p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.72);
  line-height: 1.65;
  flex: 1;
}

.inv-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.1);
}

.inv-card-tags li {
  padding: .3rem .75rem;
  background: rgba(157,200,50,.12);
  border: 1px solid rgba(157,200,50,.22);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .04em;
}

/* --------------------------------------------------------------------------
   METODOLOGÍA
   -------------------------------------------------------------------------- */

.inv-metodologia {
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.inv-met-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 2.6rem;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.inv-met-step {
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
  padding: 2.2rem;
  background: var(--surface);
  transition: background var(--ease);
}

.inv-met-step:hover { background: #f4f8f0; }

.inv-met-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--dark);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 1.3rem;
  color: var(--accent);
  border: 1.5px solid rgba(157,200,50,.3);
}

.inv-met-step h3 {
  font-size: var(--text-md);
  margin-bottom: .45rem;
  color: var(--dark);
}

.inv-met-step p {
  font-size: var(--text-sm);
  color: var(--text-soft);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   COLABORACIÓN
   -------------------------------------------------------------------------- */

.inv-colab { background: var(--dark); }

.inv-colab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 4rem;
  align-items: center;
}

.inv-colab-text .section-label { color: var(--accent); margin-bottom: .9rem; }

.inv-colab-text h2 {
  max-width: 24ch;
  color: #fff;
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: 1rem;
}

.inv-colab-text p { color: rgba(255,255,255,.72); max-width: 48ch; margin-bottom: 1.4rem; }

.inv-colab-text .service-link { color: var(--accent); }

.inv-colab-list { display: grid; gap: 0; }

.inv-colab-item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: 1.2rem 0 1.2rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  border-left: 3px solid var(--accent);
  transition: border-color var(--ease), background var(--ease), padding var(--ease);
}

.inv-colab-item:first-child { border-top: 1px solid rgba(255,255,255,.08); }

.inv-colab-item:hover {
  border-left-color: #c6e860;
  background: rgba(255,255,255,.03);
  padding-left: 1.6rem;
}

.inv-colab-item strong {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: var(--text-lg);
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
}

.inv-colab-item span {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */

.inv-cta {
  padding: 5rem 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.inv-cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}

.inv-cta .cta-text h2 {
  max-width: 26ch;
  color: var(--dark);
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.inv-cta .cta-text p {
  max-width: 48ch;
  margin-top: .9rem;
  color: var(--text-soft);
}

.inv-cta .cta-actions {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  min-width: 200px;
}

.inv-cta .btn-ghost {
  color: var(--dark);
  border-color: rgba(30,42,20,.25);
}

.inv-cta .btn-ghost:hover {
  background: rgba(30,42,20,.06);
  border-color: var(--green);
  color: var(--dark);
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .inv-intro-grid,
  .inv-colab-grid,
  .inv-cta-inner { grid-template-columns: 1fr; }

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

  .inv-cta .cta-actions { flex-direction: row; flex-wrap: wrap; min-width: 0; }

  .inv-hero-stats { flex-wrap: wrap; }
  .inv-hero-stat { padding: 1.2rem 2rem 1.2rem 0; }
}

@media (max-width: 720px) {
  .inv-hero { padding: 8rem 0 0; }

  .inv-hero-content h1 {
    max-width: 100%;
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .inv-hero-content .hero-actions { flex-direction: column; }
  .inv-hero-content .hero-actions .btn { width: 100%; text-align: center; }

  .inv-hero-stat { border-right: 0; margin-right: 1.5rem; }

  .inv-quote { padding: 1.8rem; }
  .inv-quote::before { font-size: 6rem; }

  .inv-intro-grid,
  .inv-colab-grid { gap: 2.5rem; }

  .inv-intro-text h2,
  .inv-colab-text h2,
  .inv-cta .cta-text h2 {
    max-width: 100%;
    font-size: clamp(1.4rem, 5.5vw, 1.9rem);
  }

  .inv-cta-inner { grid-template-columns: 1fr; }
  .inv-cta .cta-actions { flex-direction: column; }
  .inv-cta .btn { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
  .inv-card-inner { padding: 1.5rem; }
  .inv-met-step { padding: 1.5rem; gap: 1rem; }
  .inv-met-num { width: 44px; height: 44px; font-size: 1.1rem; }
}
/* --------------------------------------------------------------------------
   Corrección responsive — Investigación móvil
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  .inv-hero-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top-color: rgba(255,255,255,.12);
  }

  .inv-hero-stat {
    margin-right: 0;
    padding: 1rem 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }

  .inv-hero-stat:last-child {
    border-bottom: 0;
  }

  .inv-met-step {
    flex-direction: column;
  }

  .inv-card-inner,
  .inv-met-step,
  .inv-quote {
    border-radius: var(--radius-lg);
  }
}

/* --------------------------------------------------------------------------
   Ajuste paleta — investigación con verde de marca más luminoso
   -------------------------------------------------------------------------- */

.inv-overlay {
  background:
    linear-gradient(105deg,
      rgba(47,73,24,.88) 0%,
      rgba(59,91,28,.80) 30%,
      rgba(82,120,32,.58) 54%,
      rgba(105,150,38,.34) 100%),
    radial-gradient(ellipse at 75% 32%, rgba(168,208,80,.16) 0%, transparent 58%);
}

.inv-stat-card--accent,
.inv-quote,
.inv-lines,
.inv-colab {
  background: linear-gradient(135deg, #2f4918 0%, #41661f 58%, #557d27 100%);
}

@media (max-width: 720px) {
  .inv-overlay {
    background: linear-gradient(180deg, rgba(47,73,24,.88) 0%, rgba(59,91,28,.70) 52%, rgba(47,73,24,.84) 100%);
  }
}