/* ====================================================
   style.css — Prof. Dr. Silvio Gavosto
   Diseño premium para médico especialista
==================================================== */

/* ===== 1. VARIABLES Y RESET ===== */
:root {
  --azul-oscuro:   #0b3060;
  --azul:          #1a5fa8;
  --azul-medio:    #1669b8;
  --celeste:       #3a8fd1;
  --celeste-claro: #daeeff;
  --blanco:        #ffffff;
  --gris-fondo:    #f4f8fd;
  --gris-borde:    #dde8f5;
  --gris-texto:    #5a6a80;
  --negro-suave:   #1a2636;
  --verde-wa:      #25d366;
  --oro:           #b8882e;
  --oro-fondo:     #fdf6e8;

  --fuente-titulo: 'Playfair Display', Georgia, serif;
  --fuente-cuerpo: 'Source Sans 3', sans-serif;

  --radio:         14px;
  --radio-lg:      20px;
  --sombra-card:   0 2px 16px rgba(13, 48, 96, 0.09);
  --sombra-hover:  0 10px 40px rgba(13, 48, 96, 0.18);
  --sombra-azul:   0 8px 28px rgba(26, 95, 168, 0.28);
  --transicion:    0.26s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-cuerpo);
  font-size: 16px;
  line-height: 1.68;
  color: var(--negro-suave);
  background: var(--blanco);
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }

h1, h2, h3 {
  font-family: var(--fuente-titulo);
  line-height: 1.2;
}

/* ===== 2. UTILIDADES ===== */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 100px 0; }

/* Etiqueta de sección */
.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 14px;
}
.section__tag::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--azul);
  border-radius: 2px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  color: var(--azul-oscuro);
  margin-bottom: 16px;
  font-weight: 700;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--gris-texto);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}
.section__header--left { text-align: left; }

/* ===== 3. BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 50px;
  font-family: var(--fuente-cuerpo);
  font-size: 0.97rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transicion), transform var(--transicion), box-shadow var(--transicion);
  border: 2px solid transparent;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn--whatsapp {
  background: var(--verde-wa);
  color: var(--blanco);
  box-shadow: 0 4px 16px rgba(37,211,102,0.28);
}
.btn--whatsapp:hover {
  background: #1dba57;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.40);
}

.btn--outline {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: var(--blanco);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--blanco);
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.40);
  color: rgba(255,255,255,0.9);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.70);
  transform: translateY(-2px);
}

.btn--hero { padding: 16px 34px; font-size: 1.02rem; }
.btn--lg   { padding: 18px 42px; font-size: 1.08rem; }
.btn__icon { flex-shrink: 0; }

/* ===== 4. HEADER / NAVBAR ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11, 48, 96, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background var(--transicion), box-shadow var(--transicion);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo {
  width: 38px;
  height: 38px;
  background: rgba(58,143,209,0.2);
  border: 1px solid rgba(58,143,209,0.35);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--celeste-claro);
  flex-shrink: 0;
}

.header__brand-text { display: flex; flex-direction: column; gap: 1px; }

.header__title {
  font-family: var(--fuente-titulo);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--blanco);
  line-height: 1.2;
}

.header__subtitle {
  font-size: 0.69rem;
  color: var(--celeste-claro);
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.80);
  transition: color var(--transicion), background var(--transicion);
}
.nav__link:hover { color: var(--blanco); background: rgba(255,255,255,0.09); }

.nav__link--cta {
  background: var(--verde-wa);
  color: var(--blanco) !important;
  padding: 8px 18px;
  font-weight: 600;
}
.nav__link--cta:hover { background: #1dba57; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform var(--transicion), opacity var(--transicion);
}

/* ===== 5. HERO ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #071e3d 0%, #0d3a6e 40%, #1669b8 80%, #2e87c8 100%);
  padding-top: 140px;
  padding-bottom: 0;
  overflow: hidden;
}

.hero__bg-lines {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -55deg,
      rgba(255,255,255,0.018) 0px,
      rgba(255,255,255,0.018) 1px,
      transparent 1px,
      transparent 70px
    );
  pointer-events: none;
}

/* Orbes decorativos */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.hero__orb--1 {
  width: 400px; height: 400px;
  background: rgba(58, 143, 209, 0.18);
  top: -80px; right: 10%;
}
.hero__orb--2 {
  width: 260px; height: 260px;
  background: rgba(37, 211, 102, 0.08);
  bottom: 60px; left: 5%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: flex-end;
  gap: 48px;
  min-height: 560px;
}

.hero__content { padding-bottom: 90px; }

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(218, 238, 255, 0.85);
  margin-bottom: 16px;
}
.hero__eyebrow-line {
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--celeste-claro);
  border-radius: 2px;
  opacity: 0.7;
}

.hero__name {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  color: var(--blanco);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.hero__specialty {
  font-size: 1.18rem;
  color: var(--celeste-claro);
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  opacity: 0.9;
}

.hero__location {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.60);
  margin-bottom: 40px;
  background: rgba(255,255,255,0.06);
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.10);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Foto */
.hero__photo-wrap {
  position: relative;
  align-self: flex-end;
}

.hero__photo-frame {
  border: 2px solid rgba(255,255,255,0.18);
  border-bottom: none;
  border-radius: var(--radio-lg) var(--radio-lg) 0 0;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.hero__photo-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero__badge {
  position: absolute;
  bottom: 36px;
  left: -24px;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--sombra-hover);
  border: 1px solid var(--gris-borde);
}
.hero__badge-years {
  font-family: var(--fuente-titulo);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--azul);
  line-height: 1;
}
.hero__badge-label {
  font-size: 0.76rem;
  color: var(--gris-texto);
  line-height: 1.4;
}

.hero__wave {
  line-height: 0;
  margin-top: -1px;
}
.hero__wave svg { display: block; width: 100%; }

/* ===== 6. TRUST STRIP ===== */
.trust-strip {
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  padding: 0;
}

.trust-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 32px;
  color: var(--gris-texto);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transicion);
}
.trust-item:hover { color: var(--azul); }

.trust-item__icon {
  width: 40px;
  height: 40px;
  background: var(--celeste-claro);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
  flex-shrink: 0;
  transition: background var(--transicion);
}
.trust-item:hover .trust-item__icon { background: #c6e0f7; }

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--gris-borde);
  flex-shrink: 0;
}

/* ===== 7. SOBRE EL DOCTOR ===== */
.sobre { background: var(--gris-fondo); }

.sobre__inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 72px;
  align-items: start;
}

.sobre__desc {
  font-size: 1.03rem;
  color: var(--gris-texto);
  margin-bottom: 36px;
  font-style: italic;
  line-height: 1.75;
  border-left: 3px solid var(--celeste);
  padding-left: 20px;
}

.sobre__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sobre__list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.sobre__icon-wrap {
  width: 46px;
  height: 46px;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
  flex-shrink: 0;
  box-shadow: var(--sombra-card);
}

.sobre__list strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  margin-bottom: 3px;
}
.sobre__list span {
  display: block;
  font-size: 0.87rem;
  color: var(--gris-texto);
}

/* Stats */
.sobre__stats { display: flex; flex-direction: column; gap: 20px; }

.sobre__card-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.sobre__card {
  border-radius: var(--radio);
  padding: 26px 20px 22px;
  text-align: center;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.sobre__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-hover);
}

.sobre__card--blue {
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-medio) 100%);
  color: var(--blanco);
}
.sobre__card--light {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  color: var(--azul-oscuro);
  box-shadow: var(--sombra-card);
}

.sobre__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  opacity: 0.7;
}
.sobre__card--blue .sobre__card-icon { color: rgba(255,255,255,0.75); }
.sobre__card--light .sobre__card-icon { color: var(--azul); }

.sobre__card-num {
  font-family: var(--fuente-titulo);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.sobre__card--blue .sobre__card-num { color: var(--blanco); }
.sobre__card--light .sobre__card-num { color: var(--azul); }

.sobre__card-label { font-size: 0.77rem; opacity: 0.8; }

.sobre__cta {
  width: 100%;
  justify-content: center;
}

/* ===== 8. ESPECIALIDADES ===== */
.especialidades { background: var(--blanco); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}

.card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 34px 26px;
  transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
  cursor: default;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--azul), var(--celeste));
  transform: scaleX(0);
  transition: transform var(--transicion);
  transform-origin: left;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-hover);
  border-color: var(--celeste-claro);
}
.card:hover::after { transform: scaleX(1); }

.card__icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--celeste-claro);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--azul);
  transition: background var(--transicion), color var(--transicion), transform var(--transicion);
}
.card:hover .card__icon-wrap {
  background: var(--azul);
  color: var(--blanco);
  transform: scale(1.06);
}

.card__title {
  font-family: var(--fuente-titulo);
  font-size: 1.15rem;
  color: var(--azul-oscuro);
  margin-bottom: 10px;
  font-weight: 600;
}

.card__desc {
  font-size: 0.9rem;
  color: var(--gris-texto);
  line-height: 1.65;
}

/* ===== 9. ATENCIÓN Y CONSULTORIO ===== */
.atencion { background: var(--gris-fondo); }

.atencion__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
  margin-top: 44px;
}

.atencion__card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 36px 28px;
  box-shadow: var(--sombra-card);
  border: 1px solid var(--gris-borde);
  transition: transform var(--transicion), box-shadow var(--transicion);
  border-top: 3px solid var(--celeste-claro);
}
.atencion__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-hover);
  border-top-color: var(--azul);
}

.atencion__card-icon {
  width: 52px;
  height: 52px;
  background: var(--celeste-claro);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
  margin-bottom: 18px;
  transition: background var(--transicion);
}
.atencion__card:hover .atencion__card-icon { background: #c0dcf5; }

.atencion__card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  margin-bottom: 10px;
}
.atencion__card p  { font-size: 0.9rem; color: var(--gris-texto); line-height: 1.65; }
.atencion__card em { color: var(--celeste); font-style: normal; font-weight: 500; }

/* ===== 10. MAPA ===== */
.map-wrap {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  border-top: 1px solid var(--gris-borde);
  border-bottom: 1px solid var(--gris-borde);
}
.map-wrap iframe { display: block; }

/* ===== 11. CTA STRIP ===== */
.cta-strip {
  background: linear-gradient(135deg, #071e3d 0%, #0d3a6e 50%, #13508a 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255,255,255,0.015) 0px,
    rgba(255,255,255,0.015) 1px,
    transparent 1px,
    transparent 60px
  );
  pointer-events: none;
}

.cta-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-strip__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--blanco);
  margin-bottom: 10px;
}

.cta-strip__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.62);
}

.cta-strip__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ===== 12. CONTACTO ===== */
.contacto { background: var(--azul-oscuro); }

.contacto .section__tag { color: rgba(218,238,255,0.8); }
.contacto .section__tag::before { background: rgba(218,238,255,0.5); }
.contacto .section__title { color: var(--blanco); }
.contacto .section__subtitle { color: rgba(255,255,255,0.58); }

.contacto__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
  margin-bottom: 48px;
}

.contacto__item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radio);
  padding: 22px 24px;
  transition: background var(--transicion), transform var(--transicion), border-color var(--transicion);
}
.contacto__item:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.20);
}

.contacto__item--whatsapp {
  background: rgba(37,211,102,0.12);
  border-color: rgba(37,211,102,0.35);
}
.contacto__item--whatsapp:hover {
  background: rgba(37,211,102,0.20);
  border-color: rgba(37,211,102,0.55);
}

.contacto__item-icon {
  width: 46px;
  height: 46px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  flex-shrink: 0;
  font-size: 1.4rem;
}
.contacto__item--whatsapp .contacto__item-icon {
  background: rgba(37,211,102,0.15);
  color: var(--verde-wa);
}

.contacto__item-text strong {
  display: block;
  font-size: 0.80rem;
  color: rgba(255,255,255,0.48);
  font-weight: 500;
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contacto__item--whatsapp .contacto__item-text strong { color: rgba(37,211,102,0.7); }

.contacto__item-text span {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blanco);
}
.contacto__item--whatsapp .contacto__item-text span { color: var(--verde-wa); }

.contacto__arrow {
  margin-left: auto;
  font-size: 1.1rem;
  color: var(--verde-wa);
  opacity: 0.7;
}

.contacto__cta { text-align: center; }

/* ===== 13. FOOTER ===== */
.footer {
  background: #051729;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 28px 44px;
}

.footer__name {
  font-family: var(--fuente-titulo);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--blanco);
  margin-bottom: 4px;
}
.footer__spec {
  color: var(--celeste-claro);
  font-size: 0.84rem;
  margin-bottom: 6px;
  opacity: 0.75;
}
.footer__matricula {
  font-size: 0.78rem;
  opacity: 0.40;
  margin-top: 8px;
  font-style: italic;
}

.footer__heading {
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 14px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}
.footer__col p { margin-bottom: 5px; line-height: 1.6; }
.footer__col a { transition: color var(--transicion); }
.footer__col a:hover { color: var(--celeste-claro); }

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin: 0 28px;
}

.footer__bottom {
  text-align: center;
  padding: 20px 28px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.28);
}

/* ===== 14. BOTÓN FLOTANTE WHATSAPP ===== */
.fab-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: var(--verde-wa);
  color: var(--blanco);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.50);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.fab-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.60);
}

/* ===== 16. HERO — NUEVOS ELEMENTOS ===== */
.hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.72;
  margin-bottom: 22px;
  max-width: 480px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.hero__badge-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50px;
  font-size: 0.79rem;
  font-weight: 500;
  color: rgba(218,238,255,0.9);
  background: rgba(255,255,255,0.07);
  letter-spacing: 0.02em;
}

/* ===== 17. SOBRE — PÁRRAFO SECUNDARIO ===== */
.sobre__desc2 {
  font-size: 0.96rem;
  color: var(--gris-texto);
  margin-bottom: 32px;
  line-height: 1.72;
}

/* ===== 18. TIMELINE — FORMACIÓN ACADÉMICA ===== */
.trayectoria { background: var(--gris-fondo); }

.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 18px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--gris-borde);
}

.timeline__item {
  position: relative;
  padding: 0 0 36px 36px;
}
.timeline__item:last-child { padding-bottom: 0; }

.timeline__marker {
  position: absolute;
  left: -2px;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--blanco);
  border: 2.5px solid var(--azul);
  box-shadow: 0 0 0 4px var(--gris-fondo);
}

.timeline__year {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azul);
  background: var(--celeste-claro);
  border-radius: 50px;
  padding: 3px 12px;
  margin-bottom: 8px;
}

.timeline__title {
  font-family: var(--fuente-titulo);
  font-size: 1.06rem;
  color: var(--azul-oscuro);
  margin-bottom: 4px;
  font-weight: 600;
}

.timeline__org {
  font-size: 0.87rem;
  color: var(--gris-texto);
  line-height: 1.5;
}

/* ===== 19. ACTIVIDAD PROFESIONAL ===== */
.actividad { background: var(--blanco); }

.actividad__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}

.actividad__bloque {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 32px 28px;
  border: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-card);
  transition: box-shadow var(--transicion);
}
.actividad__bloque:hover { box-shadow: var(--sombra-hover); }

.actividad__bloque-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gris-borde);
}

.actividad__bloque-icon {
  width: 46px;
  height: 46px;
  background: var(--celeste-claro);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
  flex-shrink: 0;
}

.actividad__bloque-header h3 {
  font-size: 1.04rem;
  color: var(--azul-oscuro);
  font-weight: 600;
}

.actividad__inst {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--azul);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 14px;
}

.actividad__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.actividad__list li {
  padding-left: 14px;
  border-left: 2px solid var(--celeste-claro);
}

.actividad__list strong {
  display: block;
  font-size: 0.92rem;
  color: var(--azul-oscuro);
  font-weight: 600;
  line-height: 1.4;
}

.actividad__list span {
  display: block;
  font-size: 0.83rem;
  color: var(--gris-texto);
  margin-top: 2px;
  line-height: 1.4;
}

/* ===== 20. SOCIEDADES CIENTÍFICAS ===== */
.sociedades { background: var(--gris-fondo); }

.sociedades__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 820px;
  margin: 0 auto;
}

.sociedad__item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: 50px;
  padding: 12px 22px;
  font-size: 0.91rem;
  font-weight: 500;
  color: var(--azul-oscuro);
  box-shadow: var(--sombra-card);
  transition: background var(--transicion), border-color var(--transicion), transform var(--transicion);
}
.sociedad__item:hover {
  background: var(--celeste-claro);
  border-color: var(--celeste);
  transform: translateY(-2px);
}

.sociedad__icon { color: var(--azul); flex-shrink: 0; }

/* ===== 21. ACORDEONES — CARGOS ===== */
.cargos { background: var(--blanco); }

.acordeones {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.acordeon {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  transition: border-color var(--transicion);
}
.acordeon[open] { border-color: var(--celeste); }

.acordeon__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  gap: 16px;
  user-select: none;
  transition: background var(--transicion);
}
.acordeon__header:hover { background: var(--gris-fondo); }
.acordeon__header::-webkit-details-marker { display: none; }
.acordeon__header::marker { display: none; }

.acordeon__titulo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--azul-oscuro);
}
.acordeon[open] .acordeon__titulo { color: var(--azul); }

.acordeon__icon {
  color: var(--azul);
  flex-shrink: 0;
  transition: transform var(--transicion);
}
.acordeon[open] .acordeon__icon { transform: rotate(180deg); }

.acordeon__body {
  padding: 0 24px 22px;
  border-top: 1px solid var(--gris-borde);
}

.acordeon__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
}

.acordeon__list li {
  padding-left: 16px;
  border-left: 2px solid var(--celeste-claro);
  font-size: 0.91rem;
  color: var(--gris-texto);
  line-height: 1.5;
}

/* ===== 22. PRODUCCIÓN CIENTÍFICA ===== */
.produccion { background: var(--gris-fondo); }

.produccion__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 52px;
}

.produccion__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--blanco);
  border-radius: var(--radio);
  border: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-card);
}

.produccion__icon {
  width: 46px;
  height: 46px;
  background: var(--celeste-claro);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul);
  flex-shrink: 0;
}

.produccion__item h4 {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  margin-bottom: 6px;
}

.produccion__item p {
  font-size: 0.87rem;
  color: var(--gris-texto);
  line-height: 1.6;
}

/* ===== 23. DISTINCIONES ===== */
.distinciones {
  background: var(--azul-oscuro);
  border-radius: var(--radio-lg);
  padding: 38px 44px;
  margin-bottom: 28px;
}

.distinciones__titulo {
  font-family: var(--fuente-titulo);
  font-size: 1.15rem;
  color: var(--celeste-claro);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-weight: 600;
}

.distincion__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}
.distincion__item:last-child { margin-bottom: 0; }

.distincion__badge {
  flex-shrink: 0;
  background: var(--azul);
  color: var(--blanco);
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: 50px;
  margin-top: 2px;
  white-space: nowrap;
}

.distincion__item strong {
  display: block;
  font-size: 0.94rem;
  color: var(--blanco);
  margin-bottom: 4px;
  font-weight: 600;
}

.distincion__item p {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.58);
  font-style: italic;
}

/* ===== 24. JURADO ===== */
.jurado {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 32px 36px;
  border: 1px solid var(--gris-borde);
  box-shadow: var(--sombra-card);
}

.jurado__titulo {
  font-family: var(--fuente-titulo);
  font-size: 1.1rem;
  color: var(--azul-oscuro);
  margin-bottom: 18px;
  font-weight: 600;
}

.jurado__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.jurado__list li {
  padding-left: 16px;
  border-left: 2px solid var(--celeste);
  font-size: 0.91rem;
  color: var(--gris-texto);
  line-height: 1.5;
}

/* ===== 25. CONTACTO — ESTÁTICO Y MAPA ===== */
.contacto__item--static {
  cursor: default;
  pointer-events: none;
}

.mapa-placeholder {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radio);
  margin: 0 0 44px;
  overflow: hidden;
}

.mapa-placeholder__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 44px 24px;
  text-align: center;
  gap: 12px;
  color: rgba(255,255,255,0.40);
}

.mapa-placeholder__texto {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mapa-placeholder__texto strong {
  font-size: 1rem;
  color: rgba(255,255,255,0.80);
  font-weight: 600;
}

.mapa-placeholder__texto span {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.50);
}

.btn--outline-dark {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.75);
  padding: 10px 22px;
  font-size: 0.87rem;
  border-radius: 50px;
}
.btn--outline-dark:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.50);
  transform: translateY(-2px);
}

/* ===== 26. FOOTER — 4 COLUMNAS + AVISO ===== */
.footer__col--wide { grid-column: span 1; }

.footer__aviso {
  text-align: center;
  padding: 14px 28px 0;
  font-size: 0.77rem;
  color: rgba(255,255,255,0.28);
  font-style: italic;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== 15. RESPONSIVE ===== */
@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr;
    padding-bottom: 0;
  }
  .hero__content { padding-bottom: 48px; }
  .hero__photo-wrap { display: none; }

  .sobre__inner { grid-template-columns: 1fr; gap: 48px; }
  .sobre__stats { order: -1; }
  .sobre__card-wrap { grid-template-columns: repeat(4, 1fr); }

  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer__inner > :first-child { grid-column: 1 / -1; }

  .cta-strip__inner { flex-direction: column; text-align: center; }
  .cta-strip__actions { justify-content: center; }

  .actividad__grid { grid-template-columns: 1fr; }
  .distinciones { padding: 28px 24px; }
  .jurado { padding: 24px 20px; }
}

@media (max-width: 700px) {
  .section { padding: 70px 0; }

  /* Hamburguesa */
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: var(--azul-oscuro);
    padding: 16px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }
  .nav.nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list { flex-direction: column; gap: 4px; padding: 0 16px; }
  .nav__link { border-radius: 10px; font-size: 1rem; }

  /* Hero */
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; }
  .hero__eyebrow-line { display: none; }
  .hero__badges { justify-content: center; }

  /* Trust strip */
  .trust-strip__inner { flex-direction: column; gap: 0; }
  .trust-item { width: 100%; border-bottom: 1px solid var(--gris-borde); padding: 18px 24px; }
  .trust-item:last-child { border-bottom: none; }
  .trust-divider { display: none; }

  /* Cards y grillas */
  .cards-grid { grid-template-columns: 1fr; }
  .contacto__grid { grid-template-columns: 1fr; }
  .produccion__grid { grid-template-columns: 1fr; }

  /* Stats */
  .sobre__card-wrap { grid-template-columns: 1fr 1fr; }

  /* Sociedades */
  .sociedades__grid { flex-direction: column; align-items: stretch; }
  .sociedad__item { border-radius: var(--radio); }

  /* Acordeones */
  .acordeon__header { padding: 16px 18px; }
  .acordeon__body { padding: 0 18px 18px; }

  /* Distinciones */
  .distincion__item { flex-direction: column; gap: 10px; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 28px; padding: 44px 24px 32px; }
  .footer__inner > :first-child { grid-column: auto; }

  /* FAB */
  .fab-whatsapp { width: 54px; height: 54px; bottom: 20px; right: 20px; }
}

/* Footer 4 columnas en escritorio */
@media (min-width: 961px) {
  .footer__inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}