/* Sistema visual SINBIO: profundidad técnica sin dependencias ni recursos externos. */
:root {
  --sinbio-radius-sm: 10px;
  --sinbio-radius-md: 16px;
  --sinbio-radius-lg: 22px;
  --sinbio-shadow-rest: 0 12px 28px rgba(4, 36, 60, .09);
  --sinbio-shadow-lift: 0 22px 44px rgba(3, 33, 56, .16);
  --sinbio-border-soft: rgba(48, 167, 204, .22);
  --sinbio-motion: 200ms cubic-bezier(.2, .8, .2, 1);
}

/* Jerarquía editorial compartida: una lectura más clara entre bloques. */
.section-head h2,
.proof-head h2,
.process-head h2,
.sectors-copy h2 {
  position: relative;
  letter-spacing: -.035em;
}

.section-head h2::after,
.proof-head h2::after,
.process-head h2::after,
.sectors-copy h2::after {
  content: "";
  display: block;
  width: 62px;
  height: 3px;
  margin-top: 17px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0087d6, #50d8cf 72%, transparent);
}

.section-head > p:not(.eyebrow),
.process-copy,
.proof-copy { max-width: 64ch; }

/* El estado de ubicación se calcula con un script mínimo y no observa el scroll. */
.site-header nav a[aria-current="page"] {
  color: #075cae !important;
  background: linear-gradient(135deg, rgba(0, 131, 214, .12), rgba(64, 214, 207, .11)) !important;
  box-shadow: inset 0 0 0 1px rgba(48, 174, 206, .18);
}

html[data-theme="dark"] .site-header nav a[aria-current="page"] {
  color: #92eff2 !important;
  background: linear-gradient(135deg, rgba(78, 223, 216, .16), rgba(0, 111, 202, .18)) !important;
  box-shadow: inset 0 0 0 1px rgba(102, 228, 230, .22);
}

/* Soluciones: tarjetas con numeración, evidencia fotográfica y feedback corto. */
#servicios .service-focus-grid { gap: clamp(18px, 2.3vw, 28px); }

#servicios .service-focus-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--sinbio-border-soft) !important;
  border-radius: var(--sinbio-radius-md) !important;
  box-shadow: var(--sinbio-shadow-rest);
  transition: transform var(--sinbio-motion), box-shadow var(--sinbio-motion), border-color var(--sinbio-motion);
}

#servicios .service-focus-card::before {
  content: attr(data-service-index);
  position: absolute;
  z-index: 4;
  top: 15px;
  left: 15px;
  display: grid;
  width: 38px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(234, 252, 255, .3);
  border-radius: 999px;
  color: #ebfeff;
  background: rgba(4, 34, 55, .76);
  box-shadow: 0 8px 20px rgba(1, 24, 40, .25);
  font-size: .71rem;
  font-weight: 900;
  letter-spacing: .08em;
}

#servicios .service-focus-card::after {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #0085d4, #51d8cf);
  opacity: .8;
}

#servicios .service-focus-card[data-service-tone="ptars"]::after { background: linear-gradient(90deg, #0c84d8, #59ddd4); }
#servicios .service-focus-card[data-service-tone="rotosondeo"]::after { background: linear-gradient(90deg, #0089ba, #56d9d1); }
#servicios .service-focus-card[data-service-tone="biodrop"]::after { background: linear-gradient(90deg, #16a86c, #61d8b0); }

#servicios .service-focus-card:hover,
#servicios .service-focus-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 192, 212, .58) !important;
  box-shadow: var(--sinbio-shadow-lift);
}

#servicios .service-focus-card .service-placeholder { overflow: hidden; }
#servicios .service-focus-card .service-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 45%, rgba(3, 28, 47, .24));
}

#servicios .service-focus-card .service-placeholder img {
  transition: transform 420ms cubic-bezier(.2, .8, .2, 1), filter 420ms ease;
}

#servicios .service-focus-card:hover .service-placeholder img,
#servicios .service-focus-card:focus-within .service-placeholder img {
  transform: scale(1.035);
  filter: saturate(1.04) contrast(1.015);
}

#servicios .service-focus-content > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid rgba(31, 160, 192, .2);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .07em;
  text-transform: uppercase;
}

#servicios .service-focus-actions a:first-child:not(.btn)::after,
.projects-link::after {
  content: "→";
  display: inline-block;
  margin-left: 7px;
  transition: transform var(--sinbio-motion);
}

#servicios .service-focus-actions a:first-child:not(.btn):hover::after,
.projects-link:hover::after { transform: translateX(3px); }

/* Proceso: scrollytelling CSS nativo. La imagen permanece anclada únicamente
   durante esta sección en escritorio; móvil conserva un recorrido convencional. */
.process { position: relative; }
.process-story {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(34px, 5.8vw, 84px);
  margin-top: clamp(28px, 4vw, 50px);
}

.process-story-visual {
  position: sticky;
  top: 96px;
  min-height: 520px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid rgba(94, 216, 221, .32);
  border-radius: var(--sinbio-radius-lg);
  background: #06233b;
  box-shadow: 0 28px 60px rgba(2, 23, 39, .22);
}

.process-story-visual picture,
.process-story-visual img,
.process-story-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.process-story-visual img { display: block; object-fit: cover; object-position: center; }
.process-story-shade { background: linear-gradient(180deg, rgba(3, 25, 42, .03) 20%, rgba(3, 28, 47, .88) 100%); }

.process-story-caption {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 22px;
  left: 22px;
  display: grid;
  gap: 7px;
  padding: 16px 17px;
  border: 1px solid rgba(198, 245, 247, .23);
  border-radius: 13px;
  color: #f3fdff;
  background: rgba(2, 29, 49, .69);
  backdrop-filter: blur(9px);
}

.process-story-caption span { color: #76e6e3; font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.process-story-caption strong { font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.2; }

.process-story-pulse {
  position: absolute;
  z-index: 2;
  top: 22px;
  right: 22px;
  display: flex;
  gap: 6px;
  padding: 9px 11px;
  border: 1px solid rgba(198, 245, 247, .22);
  border-radius: 999px;
  background: rgba(2, 29, 49, .65);
}

.process-story-pulse span { width: 7px; height: 7px; border-radius: 999px; background: #67ddd5; box-shadow: 0 0 0 4px rgba(103, 221, 213, .12); }
.process-story-pulse span:nth-child(2) { opacity: .66; }
.process-story-pulse span:nth-child(3) { opacity: .34; }

.process-story .process-line { display: grid !important; grid-template-columns: 1fr !important; gap: 14px !important; margin: 0 !important; }
.process-story .process-line > div {
  position: relative;
  min-height: 142px;
  padding: 22px 24px 22px 84px !important;
  border: 1px solid rgba(62, 173, 198, .2);
  border-radius: var(--sinbio-radius-md);
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 10px 26px rgba(5, 46, 73, .06);
  transition: transform var(--sinbio-motion), border-color var(--sinbio-motion), box-shadow var(--sinbio-motion);
}

.process-story .process-line > div::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 34px;
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, #0085d4, #55ddd3);
}

.process-story .process-line > div:hover { transform: translateX(4px); border-color: rgba(44, 184, 203, .52); box-shadow: 0 16px 30px rgba(5, 46, 73, .11); }
.process-story .process-line > div > strong { position: absolute; top: 20px; left: 22px; color: #007bc8; font-size: .78rem; letter-spacing: .07em; }
.process-story .process-line > div > span { display: block; margin-bottom: 7px; color: #0a3653; font-size: 1.04rem; font-weight: 850; }
.process-story .process-line > div > p { margin: 0; color: #496b7c; line-height: 1.6; }

html[data-theme="dark"] .process-story .process-line > div {
  border-color: rgba(112, 211, 229, .21);
  background: linear-gradient(135deg, rgba(10, 45, 70, .94), rgba(5, 31, 53, .96));
  box-shadow: 0 14px 30px rgba(0, 0, 0, .16);
}
html[data-theme="dark"] .process-story .process-line > div > span { color: #edfaff; }
html[data-theme="dark"] .process-story .process-line > div > p { color: #bdd3df; }
html[data-theme="dark"] .process-story .process-line > div > strong { color: #70dbe0; }

@media (max-width: 900px) {
  .process-story { grid-template-columns: 1fr; gap: 24px; }
  .process-story-visual { position: relative; top: auto; min-height: clamp(300px, 72vw, 420px); }
}

@media (max-width: 620px) {
  .section-head h2::after, .proof-head h2::after, .process-head h2::after, .sectors-copy h2::after { width: 48px; margin-top: 13px; }
  #servicios .service-focus-card { border-radius: 14px !important; }
  #servicios .service-focus-card:hover, #servicios .service-focus-card:focus-within { transform: none; }
  .process-story { margin-top: 22px; }
  .process-story-visual { min-height: 290px; border-radius: 16px; }
  .process-story-caption { right: 14px; bottom: 14px; left: 14px; padding: 13px 14px; }
  .process-story-pulse { top: 14px; right: 14px; }
  .process-story .process-line > div { min-height: 0; padding: 20px 18px 20px 69px !important; }
  .process-story .process-line > div::before { left: 25px; width: 21px; }
  .process-story .process-line > div > strong { top: 18px; left: 16px; }
  .process-story .process-line > div:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  #servicios .service-focus-card,
  #servicios .service-focus-card .service-placeholder img,
  .process-story .process-line > div,
  #servicios .service-focus-actions a:first-child:not(.btn)::after,
  .projects-link::after { transition: none !important; }
}