/* ==========================================================================
   PAGE-SOBRE-NOSOTROS.CSS — Página Sobre nosotros (§15)
   ========================================================================== */

/* ==========================================================================
   § 15 — SOBRE NOSOTROS
   ========================================================================== */

/* ── 15.0  Utilities compartidas ───────────────────────────────────────────── */

.sn-eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-gray);
  margin-bottom: 0.75rem;
}
.sn-eyebrow--yellow {
  color: var(--color-primary);
}

.sn-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-black);
  line-height: 1.15;
}
.sn-section-title--white {
  color: var(--color-white);
}

.sn-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  transition: gap 0.2s ease-out;
}
.sn-link-arrow::after {
  content: "\2192";
}
.sn-link-arrow:hover {
  gap: 0.75rem;
}
.sn-link-arrow--dark {
  color: var(--color-black);
}

/* ── 15.1  Hero ─────────────────────────────────────────────────────────────── */

.sn-hero {
  position: relative;
  min-height: 60vh;
  padding-top: 68px;
  display: flex;
  align-items: center;
  background: var(--color-black);
  overflow: hidden;
}

.sn-hero__bg {
  position: absolute;
  inset: 0;
  background: var(--color-dark-text-faint);
  opacity: 0.4;
  background-size: cover;
  background-position: center;
}
.sn-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(17, 17, 17, 0.3) 0%,
    rgba(17, 17, 17, 0.85) 100%
  );
}

.sn-hero .container {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: clamp(4rem, 10vw, 7rem);
}

/* .sn-hero__badge — estilos movidos a components.css (.hero-badge) */

.sn-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  color: var(--color-white);
  max-width: 14ch;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.sn-hero__title span {
  color: var(--color-primary);
}

.sn-hero__subtitle {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  max-width: 52ch;
}

.sn-hero__scroll {
  position: absolute;
  bottom: 2rem;
  right: var(--container-pad, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.sn-hero__scroll::before {
  content: "";
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.3);
}
.sn-hero__scroll span {
  font-family: var(--font-display);
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.4);
  writing-mode: vertical-rl;
}

/* ── 15.2  Misión ───────────────────────────────────────────────────────────── */

.sn-mision {
  background: var(--color-cream);
  padding-block: 5rem;
  border-top: 1px solid var(--color-gray-light);
}

.sn-mision .sn-section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: 0;
  margin-bottom: 2rem;
}

.sn-mision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.sn-mision__text {
  font-size: 1rem;
  color: var(--color-gray);
  line-height: 1.75;
}

.sn-mision__image {
  background: var(--color-gray-light);
  border-radius: 2px;
  min-height: 400px;
  overflow: hidden;
}
.sn-mision__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sn-mision__image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 400px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: center;
  padding: 2rem;
}

.sn-mision__pills {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.sn-mision__pill {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  background: rgba(17, 17, 17, 0.06);
  color: var(--color-gray);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
}

/* ── 15.3  Líneas de investigación ─────────────────────────────────────────── */

.sn-lineas {
  background: var(--color-cream);
  padding-block: 6rem;
}

.sn-lineas__header {
  margin-bottom: 2.5rem;
}
.sn-lineas__header .sn-section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.sn-lineas__intro {
  font-size: 1rem;
  color: var(--color-gray);
  line-height: 1.7;
  max-width: 60ch;
  margin-top: 0.25rem;
}

.sn-lineas__stack {
  display: flex;
  flex-direction: column;
  gap: 1.5px;
  background: var(--color-gray-light);
}

.sn-linea-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  background: var(--color-white);
  padding: 2.5rem;
  position: relative;
  transition: background 0.2s ease-out;
  text-decoration: none;
  color: inherit;
}
.sn-linea-card::after {
  content: "\2192";
  position: absolute;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  font-size: 1.25rem;
  color: var(--color-primary);
  opacity: 0;
  transition:
    opacity 0.2s ease-out,
    transform 0.2s ease-out;
}
.sn-linea-card:hover {
  background: #faf8f5;
}
.sn-linea-card:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sn-linea-card--1 {
  border-top: 3px solid var(--color-line-1);
}
.sn-linea-card--2 {
  border-top: 3px solid var(--color-line-2);
}
.sn-linea-card--3 {
  border-top: 3px solid var(--color-line-3);
}

.sn-linea-card__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(17, 17, 17, 0.07);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.sn-linea-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-black);
  line-height: 1.3;
}

.sn-linea-card__desc {
  font-size: 1rem;
  color: var(--color-gray);
  line-height: 1.75;
  align-self: center;
}

/* ── 15.4  ODS ──────────────────────────────────────────────────────────────── */

.sn-ods {
  background: var(--color-black);
  padding-block: 5rem;
}

.sn-ods .sn-section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.sn-ods__desc {
  color: rgba(255, 255, 255, 0.7);
  max-width: 64ch;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.sn-ods__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
}

.sn-ods__box {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.25rem;
  border-radius: 2px;
  padding: 1rem;
}

.sn-ods__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
}

.sn-ods__name {
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-white);
  text-align: center;
  line-height: 1.3;
}

/* ── 15.5  Visión ───────────────────────────────────────────────────────────── */

.sn-vision {
  background: var(--color-cream);
}

.sn-vision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.sn-vision__image {
  background: var(--color-gray-light);
  min-height: 320px;
  overflow: hidden;
}
.sn-vision__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sn-vision__image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 320px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: center;
  padding: 2rem;
}

.sn-vision__content {
  padding: 3rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.sn-vision__blockquote {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--color-black);
  border-left: 3px solid var(--color-primary);
  padding-left: 1.25rem;
  margin-bottom: 1.5rem;
  margin-top: 0.75rem;
}

.sn-vision__body {
  font-size: 1.0625rem;
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: 2rem;
}

@media (min-width: 769px) {
  .sn-vision__image,
  .sn-vision__image-placeholder {
    min-height: 0;
    height: clamp(360px, 42vw, 620px);
  }
}

/* ── 15.6  Servicios ────────────────────────────────────────────────────────── */

.sn-servicios {
  background: var(--color-black);
  padding-block: 7rem;
}

.sn-servicios .sn-section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 2.5rem;
}

.sn-servicios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(255, 255, 255, 0.06);
}

.sn-servicio-card {
  background: var(--color-dark-border);
  padding: 2rem 1.75rem;
  transition: background 0.2s ease-out;
}
.sn-servicio-card:hover {
  background: var(--color-dark-border-mid);
}

.sn-servicio-card__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255, 207, 0, 0.15);
  line-height: 1;
  margin-bottom: 1rem;
}

.sn-servicio-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-white);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.sn-servicio-card__desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.65;
}

/* ── 15.7  Equipo ───────────────────────────────────────────────────────────── */

.sn-equipo {
  background: var(--color-cream);
  padding-block: 6rem;
  border-top: 1px solid var(--color-gray-light);
}

.sn-equipo__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

/* Separadores de subsección */
.sn-equipo__subsec-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.sn-equipo__subsec-label--mt { margin-top: 3rem; }

.sn-equipo__subsec-text {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(17, 17, 17, 0.3);
  white-space: nowrap;
}

.sn-equipo__subsec-line {
  flex: 1;
  height: 1px;
  background: rgba(17, 17, 17, 0.1);
}

/* ── IP cards (grid 2 col) ── */
.sn-equipo__ips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.sn-ip-card {
  background: var(--color-white);
  padding: 1.75rem 1.75rem 1.75rem 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border-left: 3px solid transparent;
  border-right: 1.5px solid var(--color-gray-light);
  border-bottom: 1.5px solid var(--color-gray-light);
  transition: background 0.15s, border-left-color 0.15s, border-right-color 0.15s;
}
.sn-ip-card:nth-child(2n) {
  border-right: none;
}
.sn-ip-card:nth-last-child(-n+2):nth-child(2n+1),
.sn-ip-card:last-child {
  border-bottom: none;
}
.sn-ip-card:hover {
  background: #fffef8;
  border-left-color: var(--color-primary);
}

.sn-ip-card__arrow {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  opacity: 0;
  color: var(--color-primary);
  font-size: 1rem;
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
  pointer-events: none;
}
.sn-ip-card:hover .sn-ip-card__arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sn-ip-card__foto {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-gray-light);
  border: 2px solid rgba(17, 17, 17, 0.06);
  transition: border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.2rem;
}
.sn-ip-card:hover .sn-ip-card__foto {
  border-color: rgba(255, 207, 0, 0.5);
}
.sn-ip-card__foto-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
}
.sn-ip-card__foto-initials {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: rgba(17, 17, 17, 0.2);
}

.sn-ip-card__body {
  flex: 1;
  min-width: 0;
  padding-right: 1.5rem;
}
.sn-ip-card__nombre {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-black);
  margin: 0 0 0.4rem;
  line-height: 1.2;
}
.sn-ip-card__rol {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-black);
  background: var(--color-primary);
  border-radius: 2px;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.6rem;
}
.sn-ip-card__cargo {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin: 0 0 0.2rem;
  line-height: 1.4;
}
.sn-ip-card__afil {
  font-size: 0.75rem;
  color: rgba(17, 17, 17, 0.38);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}
.sn-ip-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.1rem;
}
.sn-ip-card__pill {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2em 0.65em;
  border: 1px solid var(--color-gray-light);
  color: var(--color-gray);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.sn-ip-card:hover .sn-ip-card__pill {
  border-color: rgba(255, 207, 0, 0.4);
  color: rgba(17, 17, 17, 0.65);
}

/* ── Team cards (grid 3 col) ── */
.sn-equipo__team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.sn-team-card {
  background: var(--color-white);
  padding: 1.25rem 2.5rem 1.25rem 1.25rem;
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border-left: 2px solid transparent;
  border-right: 1.5px solid var(--color-gray-light);
  border-bottom: 1.5px solid var(--color-gray-light);
  transition: background 0.15s, border-left-color 0.15s, border-right-color 0.15s;
}
.sn-team-card:nth-child(3n) {
  border-right: none;
}
.sn-team-card:last-child {
  border-bottom: none;
}
.sn-team-card:hover {
  background: #fffef8;
  border-left-color: var(--color-primary);
}

.sn-team-card__arrow {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  opacity: 0;
  color: var(--color-primary);
  font-size: 0.875rem;
  transition: opacity 0.18s ease-out, transform 0.18s ease-out;
  pointer-events: none;
}
.sn-team-card:hover .sn-team-card__arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sn-team-card__foto {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-gray-light);
  border: 1.5px solid rgba(17, 17, 17, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
  transition: border-color 0.15s;
}
.sn-team-card:hover .sn-team-card__foto {
  border-color: rgba(255, 207, 0, 0.4);
}
.sn-team-card__foto-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
}
.sn-team-card__foto-initials {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: rgba(17, 17, 17, 0.2);
}

.sn-team-card__body { min-width: 0; }

.sn-team-card__nombre {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-black);
  margin: 0 0 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sn-team-card__cargo {
  font-size: 0.75rem;
  color: var(--color-gray);
  margin: 0 0 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sn-team-card__afil {
  font-size: 0.6875rem;
  color: rgba(17, 17, 17, 0.38);
  margin: 0 0 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sn-team-card__rol {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-black);
  background: color-mix(in srgb, var(--color-primary) 28%, transparent);
  border-radius: 2px;
  padding: 0.15rem 0.45rem;
}

/* ── Alumni grid (3 col, con foto pequeña) ── */
.sn-equipo__alumni-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.sn-alumni-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #faf8f3;
  padding: 1rem 1.25rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  border-right: 1.5px solid var(--color-gray-light);
  border-bottom: 1.5px solid var(--color-gray-light);
  transition: background 0.15s, border-left-color 0.15s;
}
.sn-alumni-card:nth-child(3n) { border-right: none; }
.sn-alumni-card:last-child { border-bottom: none; }
.sn-alumni-card:hover {
  background: var(--color-white);
  border-left-color: var(--color-primary);
}
.sn-alumni-card__foto {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-gray-light);
}
.sn-alumni-card__foto-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.65;
}
.sn-alumni-card__foto-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(17, 17, 17, 0.35);
}
.sn-alumni-card__body { flex: 1; min-width: 0; }
.sn-alumni-card__nombre {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: rgba(17, 17, 17, 0.65);
  margin: 0 0 0.2rem;
}
.sn-alumni-card__cargo {
  font-size: 0.6875rem;
  color: rgba(17, 17, 17, 0.38);
  margin: 0;
  line-height: 1.4;
}
.sn-alumni-card__afil {
  font-size: 0.625rem;
  color: rgba(17, 17, 17, 0.3);
  margin: 0.2rem 0 0;
  line-height: 1.4;
}

/* Botón ver todo */
.sn-equipo__footer {
  margin-top: 3rem;
  text-align: center;
}

/* ── 15.R  Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .sn-linea-card {
    grid-template-columns: 220px 1fr;
  }
  .sn-servicios__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sn-mision__grid {
    grid-template-columns: 1fr;
  }
  .sn-mision__image,
  .sn-mision__image-placeholder {
    min-height: 280px;
  }

  .sn-linea-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 1.5rem;
    padding-right: 3rem;
  }

  .sn-vision__grid {
    grid-template-columns: 1fr;
  }
  .sn-vision__image,
  .sn-vision__image-placeholder {
    min-height: 300px;
  }
  .sn-vision__content {
    padding: 3rem var(--container-pad, 1.5rem);
  }

  .sn-servicios__grid {
    grid-template-columns: 1fr;
  }

  .sn-equipo__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .sn-equipo__ips-grid {
    grid-template-columns: 1fr;
  }
  .sn-equipo__team-grid {
    grid-template-columns: 1fr;
  }
  /* en 1 col todos los cards tienen border-right: none */
  .sn-team-card:nth-child(3n) { border-right: none; }
  .sn-team-card { border-right: none; }

  .sn-equipo__alumni-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sn-alumni-card:nth-child(3n) { border-right: 1.5px solid var(--color-gray-light); }
  .sn-alumni-card:nth-child(2n) { border-right: none; }
}

@media (max-width: 480px) {
  .sn-ods__num {
    font-size: 2rem;
  }

  .sn-equipo__alumni-grid {
    grid-template-columns: 1fr;
  }
  .sn-alumni-card,
  .sn-alumni-card:nth-child(3n),
  .sn-alumni-card:nth-child(2n) { border-right: none; }
}