/* ============================================
   DATOS · Page-specific section styles
   Banner styles live in vertical.css (shared).
   Section padding inherited from global `section` rule in style.css.
   ============================================ */

/* ── SECTION HEADERS ── */
.datos-section-header { margin-bottom: 3.5rem; }
.datos-section-header--centered { text-align: center; }
.datos-section-header--centered .section-sub {
  margin-left: auto;
  margin-right: auto;
}

/* ── PROBLEM ── */
#datos-problem {
  background: var(--bg-secondary);
  transition: background 0.4s var(--ease-smooth);
}

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

.datos-problem-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: transform 0.36s var(--ease-smooth), box-shadow 0.36s, border-color 0.36s, background 0.4s;
}
.datos-problem-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--blue);
}

.datos-problem-icon {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--blue-soft);
}

.datos-problem-title {
  font-family: var(--font-display);
  font-size: var(--fs-md-lg);
  font-weight: var(--fw-bold);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.datos-problem-desc {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--fs-md);
}

/* ── SERVICES / CAPABILITIES ── */
#datos-services {
  background: var(--bg-primary);
  transition: background 0.4s var(--ease-smooth);
}

.datos-services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.datos-service-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  transition: transform 0.36s var(--ease-smooth), box-shadow 0.36s, border-color 0.36s, background 0.4s;
  display: flex;
  flex-direction: column;
}
.datos-service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: color-mix(in srgb, var(--service-data) 50%, transparent);
}

.datos-service-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-inverse);
  border-color: var(--border-on-inverse);
  padding: 3rem;
}
.datos-service-card--featured:hover {
  border-color: color-mix(in srgb, var(--service-data) 60%, transparent);
  box-shadow: 0 24px 60px -20px color-mix(in srgb, var(--service-data) 30%, transparent);
}

.datos-service-num {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.datos-service-card--featured .datos-service-num { color: var(--blue-on-dark); }

.datos-service-name {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.datos-service-card--featured .datos-service-name {
  color: var(--text-on-inverse);
  font-size: var(--fs-2xl);
}

.datos-service-desc {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  font-size: var(--fs-md);
}
.datos-service-card--featured .datos-service-desc {
  color: var(--text-on-inverse-faint);
}

.datos-service-caps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.datos-service-caps li {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}
.datos-service-caps li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-circle);
  background: var(--blue);
}
.datos-service-card--featured .datos-service-caps li {
  color: var(--text-on-inverse-faint);
}

/* Featured card side */
.datos-service-feature-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.datos-service-highlight {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.datos-service-highlight-icon {
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--service-data) 25%, transparent);
  color: var(--blue-on-dark);
}

.datos-service-highlight-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--text-on-inverse);
  margin-bottom: 0.2rem;
}

.datos-service-highlight-sub {
  font-size: var(--fs-sm);
  color: var(--text-on-inverse-faint);
  line-height: 1.4;
}

/* ── PROCESS ── */
#datos-process {
  background: var(--bg-inverse);
  transition: background 0.4s var(--ease-smooth);
}
#datos-process .section-title { color: var(--off-white); }
#datos-process .section-title em { color: var(--blue-on-dark); }
#datos-process .section-eyebrow { color: var(--blue-on-dark); }
#datos-process .section-eyebrow::before { background: var(--blue-on-dark); }
#datos-process .section-sub { color: rgba(250,250,248,0.72); }

.datos-process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  list-style: none;
  margin: 0;
  padding: 0;
}

.datos-process-step {
  padding: 2rem 1.5rem;
  border-right: 1px solid rgba(255,255,255,0.1);
  position: relative;
  transition: background 0.36s;
}
.datos-process-step:last-child { border-right: none; }
.datos-process-step:hover { background: rgba(255,255,255,0.06); }

.datos-process-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-circle);
  background: var(--service-data);
  margin-bottom: 1.25rem;
  position: relative;
}
.datos-process-dot::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: var(--radius-circle);
  border: 1px solid var(--service-data);
  animation: datosProcessPulse 2.4s ease-out infinite;
  animation-delay: var(--pulse-delay, 0s);
}
@keyframes datosProcessPulse {
  0%   { opacity: 0.8; transform: scale(0.8); }
  70%  { opacity: 0; transform: scale(1.8); }
  100% { opacity: 0; transform: scale(1.8); }
}

.datos-process-num {
  font-size: var(--fs-3xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-on-dark);
  margin-bottom: 0.5rem;
}

.datos-process-name {
  font-family: var(--font-display);
  font-size: var(--fs-md-xl);
  font-weight: var(--fw-bold);
  color: var(--off-white);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.datos-process-desc {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.68);
  line-height: 1.55;
}

/* ── DATA QUALITY ── */
#datos-quality {
  background: var(--bg-secondary);
  transition: background 0.4s var(--ease-smooth);
}

.datos-quality-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.datos-quality-cell {
  background: var(--bg-tertiary);
  padding: 2rem 1.25rem;
  margin: 0;
  text-align: center;
  transition: background 0.32s;
}
.datos-quality-cell:hover { background: var(--bg-secondary); }

.datos-quality-val {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-heavy);
  color: var(--blue);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.datos-quality-val--text { font-size: var(--fs-lg); letter-spacing: 0.02em; }

.datos-quality-dim {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.datos-quality-lbl {
  display: block;
  font-size: var(--fs-3xs);
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--fw-medium);
}

/* ── IMPACT ── */
#datos-impact {
  background: var(--bg-primary);
  transition: background 0.4s var(--ease-smooth);
}

.datos-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.datos-impact-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  margin: 0;
  text-align: center;
  transition: transform 0.36s var(--ease-smooth), box-shadow 0.36s, border-color 0.36s, background 0.4s;
}
.datos-impact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow);
  border-color: var(--blue);
}

.datos-impact-val {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-heavy);
  color: var(--blue);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.datos-impact-val span { font-weight: var(--fw-bold); }

.datos-impact-lbl {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
  line-height: 1.4;
}

/* Stack tecnológico */
.datos-stack-wrap {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  text-align: center;
  transition: background 0.4s;
}

.datos-stack-title {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.datos-stack-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.datos-stack-item {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  transition: border-color 0.32s, color 0.32s, background 0.32s;
}
.datos-stack-item:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* ── WHY ── */
#datos-why {
  background: var(--bg-secondary);
  transition: background 0.4s var(--ease-smooth);
}

.datos-why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.datos-why-list { display: flex; flex-direction: column; list-style: none; margin: 0; padding: 0; }

.datos-why-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.datos-why-item:first-child { border-top: 1px solid var(--border); }

.datos-why-num {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--blue);
  letter-spacing: 0.1em;
  padding-top: 2px;
}

.datos-why-item-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.datos-why-item-desc {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--fs-sm);
}

/* Quote aside */
.datos-why-quote {
  background: var(--bg-inverse);
  border: 1px solid var(--border-on-inverse);
  border-radius: var(--radius-3xl);
  padding: 3rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  transition: background 0.4s var(--ease-smooth);
}

.datos-why-quote-mark {
  font-family: var(--font-display);
  font-size: var(--fs-7xl);
  line-height: 0.8;
  color: var(--blue-on-dark);
  font-weight: var(--fw-heavy);
  margin-bottom: 1rem;
}

.datos-why-quote-text {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--off-white);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.datos-why-quote-source {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.6);
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.datos-why-industries { margin-top: 1.5rem; }

.datos-why-industries-label {
  font-size: var(--fs-3xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.75rem;
}

.datos-why-industries-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.datos-why-industries-list .cap-tag {
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.75);
}

/* ── FAQ ── */
#datos-faq {
  background: var(--bg-secondary);
  transition: background 0.4s var(--ease-smooth);
}

.datos-faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.datos-faq-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.32s;
}
.datos-faq-item:hover { border-color: var(--blue); }

.datos-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  user-select: none;
  transition: color 0.32s;
}
.datos-faq-q:hover { color: var(--blue); }

.datos-faq-q::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.32s var(--ease-smooth);
  flex-shrink: 0;
  margin-left: 1rem;
}
.datos-faq-q::-webkit-details-marker { display: none; }
.datos-faq-item[open] .datos-faq-q::after { transform: translateY(2px) rotate(-135deg); }

.datos-faq-a {
  padding: 0 1.75rem 1.5rem;
}

.datos-faq-item[open] .datos-faq-a {
  overflow: hidden;
  animation: datosFaqPanelOpen 0.6s var(--ease-smooth);
}
.datos-faq-item[open] .datos-faq-a p {
  animation: datosFaqRowOpen 0.5s 0.10s var(--ease-smooth) both;
}

@keyframes datosFaqPanelOpen {
  from { max-height: 0;     opacity: 0; padding-top: 0;    padding-bottom: 0; }
  to   { max-height: 320px; opacity: 1; padding-top: 0;    padding-bottom: 1.5rem; }
}
@keyframes datosFaqRowOpen {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .datos-faq-item[open] .datos-faq-a,
  .datos-faq-item[open] .datos-faq-a p { animation: none; }
}

.datos-faq-a p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .datos-services-grid { grid-template-columns: 1fr; }
  .datos-service-card--featured { grid-template-columns: 1fr; gap: 2rem; }
  .datos-process-track { grid-template-columns: 1fr 1fr; }
  .datos-process-step:nth-child(2) { border-right: none; }
  .datos-process-step:nth-child(1),
  .datos-process-step:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.1); }
  .datos-quality-grid { grid-template-columns: repeat(3, 1fr); }
  .datos-impact-grid { grid-template-columns: 1fr 1fr; }
  .datos-why-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  /* .datos-faq-grid ya es una lista vertical */
  .datos-why-quote { position: static; }
}

@media (max-width: 720px) {
  .datos-problem-grid { grid-template-columns: 1fr; }
  .datos-process-track { grid-template-columns: 1fr; }
  .datos-process-step { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .datos-process-step:last-child { border-bottom: none; }
  .datos-quality-grid { grid-template-columns: 1fr 1fr; }
  .datos-impact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .datos-quality-grid { grid-template-columns: 1fr; }
  .datos-service-card--featured { padding: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .datos-process-dot::after { animation: none !important; }
}