.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  border-color: var(--color-grey-border);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.75;
}

.site-logo__mark {
  width: 1.125rem;
  height: 1.125rem;
  background: var(--color-blue);
  flex-shrink: 0;
}

.site-logo__text {
  text-transform: lowercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-black);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav a:hover {
  color: var(--color-blue);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 4rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: calc(100vh - var(--header-height) - 4rem);
}

.hero__content {
  max-width: 34rem;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero__text {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-grey);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 32rem;
}

.hero__visual {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 28rem;
}

.hero__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-grey-bg);
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.hero__visual:hover .hero__image-wrap img {
  transform: scale(1.03);
  filter: grayscale(70%);
}

.hero__accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 1.125rem;
  height: 1.125rem;
  background: var(--color-blue);
  z-index: 2;
  transform: translate(-50%, -50%);
}

.hero__badge {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-blue);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: var(--shadow-badge);
  z-index: 2;
  animation: badge-float 4s ease-in-out infinite;
}

.hero__badge svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.articles-strip {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 clamp(3rem, 6vw, 4.5rem);
  background: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
}

.articles-strip__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.articles-strip__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-white);
  max-width: 14ch;
}

.articles-strip__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.articles-strip__text {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  max-width: 26rem;
}

.articles-strip__controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0 var(--container-pad);
}

.articles-strip__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.articles-strip__nav:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
}

.articles-strip__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.articles-strip__nav svg {
  width: 1.125rem;
  height: 1.125rem;
}

.articles-strip__viewport {
  position: relative;
}

.articles-strip__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 var(--container-pad);
}

.articles-strip__track::-webkit-scrollbar {
  display: none;
}

.articles-strip__card {
  position: relative;
  flex: 0 0 clamp(16rem, 28vw, 22rem);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  scroll-snap-align: start;
  text-decoration: none;
  color: var(--color-white);
}

.articles-strip__card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--transition-medium), transform var(--transition-slow);
}

.articles-strip__card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.05) 55%);
  pointer-events: none;
}

.articles-strip__card:hover img {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.articles-strip__label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 1;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
}

.articles-strip__card-title {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 2.35rem;
  z-index: 1;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.9);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.insights-split {
  padding: clamp(4rem, 8vw, 6rem) 0;
  background: var(--color-white);
}

.insights-split__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.insights-split__title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--color-black);
}

.insights-split__text {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-grey);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 28rem;
}

.insights-split__list {
  margin-bottom: 2.5rem;
}

.insights-split__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-black);
}

.insights-split__list li::before {
  content: "";
  width: 0.625rem;
  height: 0.625rem;
  margin-top: 0.4rem;
  background: var(--color-blue);
  flex-shrink: 0;
}

.insights-collage {
  position: relative;
  width: 100%;
  max-width: 34rem;
  min-height: clamp(22rem, 42vw, 30rem);
  justify-self: end;
}

.insights-collage__img {
  position: absolute;
  overflow: hidden;
  background: var(--color-grey-bg);
}

.insights-collage__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.insights-collage:hover .insights-collage__img img {
  filter: grayscale(75%);
}

.insights-collage__img--top {
  top: 0;
  right: 0;
  width: 56%;
  aspect-ratio: 3 / 4;
  z-index: 2;
}

.insights-collage__img--top::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 50%, var(--color-white) 100%);
  pointer-events: none;
  z-index: 1;
}

.insights-collage__img--bottom {
  bottom: 0;
  left: 0;
  width: 74%;
  aspect-ratio: 16 / 10;
  z-index: 3;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.insights-collage__accent {
  position: absolute;
  width: 1.125rem;
  height: 1.125rem;
  background: var(--color-blue);
  z-index: 4;
}

.insights-collage__accent--tl {
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
}

.insights-collage__accent--bl {
  bottom: 0;
  left: 0;
  transform: translate(-50%, 50%);
}

.insights-collage__accent--br {
  bottom: 0;
  right: 0;
  transform: translate(50%, 50%);
}

.section {
  padding: 5rem 0;
}

.section--teaser {
  padding: 4rem 0;
  background: var(--color-grey-bg);
}

.section__header {
  margin-bottom: 3rem;
  max-width: 40rem;
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--color-grey);
  font-size: 1.0625rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.articles-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.category-section {
  padding-top: 3rem;
  padding-bottom: 1rem;
}

.category-section + .category-section {
  border-top: 1px solid var(--color-grey-border);
  margin-top: 2rem;
  padding-top: 4rem;
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.category-nav a {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-grey-border);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.category-nav a:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-grey-border);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}

.article-card__image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.article-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.article-card:hover .article-card__image img {
  transform: scale(1.05);
  filter: grayscale(40%);
}

.article-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card__meta {
  font-size: 0.8125rem;
  color: var(--color-grey-muted);
  margin-bottom: 0.5rem;
}

.article-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.article-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-grey);
  flex: 1;
  margin-bottom: 1.25rem;
}

.article-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition-fast);
}

.article-card:hover .article-card__link {
  gap: 0.6rem;
}

.site-footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.site-footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  margin-top: 1rem;
  max-width: 22rem;
}

.site-footer h3 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer ul li {
  margin-bottom: 0.65rem;
}

.site-footer__contact li {
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
  max-width: 18rem;
}

.site-footer__contact a {
  word-break: break-word;
}

.site-footer a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-blue-light);
}


.site-footer__disclaimer {
  margin-bottom: 2.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__disclaimer p {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 0.85rem;
  max-width: 52rem;
}

.site-footer__disclaimer p:last-child {
  margin-bottom: 0;
}

.site-footer__disclaimer-highlight {
  color: rgba(255, 255, 255, 0.78);
}

.site-footer__disclaimer-meta {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.42);
}

.site-footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.page-hero {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 3rem;
}

.page-hero--compact .hero__grid {
  min-height: auto;
}

.article-layout {
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
}

.article-header {
  max-width: 48rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.article-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.article-header__meta {
  color: var(--color-grey-muted);
  font-size: 0.9375rem;
}

.article-body {
  max-width: 42rem;
  margin: 0 auto;
}

/* Cabecera y cuerpo: siempre visibles (reveal deja hueco vacío en artículos) */
.article-header.reveal,
.article-header.reveal.is-visible,
.article-body.reveal,
.article-body.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
}

.article-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.article-body p {
  color: var(--color-grey);
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.75;
}

.article-body figure {
  margin: 2.5rem 0;
}

.article-body figure img {
  width: 100%;
  border-radius: 0;
  filter: grayscale(100%);
}

.article-body figcaption {
  font-size: 0.8125rem;
  color: var(--color-grey-muted);
  margin-top: 0.75rem;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-grey-border);
  font: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}

.form-group textarea {
  min-height: 9rem;
  resize: vertical;
}

.legal-content {
  padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.legal-content > .container {
  max-width: 64rem;
}

.legal-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.legal-content .updated {
  color: var(--color-grey-muted);
  font-size: 0.875rem;
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-black);
}

.legal-content p,
.legal-content li {
  color: var(--color-grey);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

@media (max-width: 1024px) {
  .articles-grid,
  .articles-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem var(--container-pad);
    gap: 1.25rem;
    border-bottom: 1px solid var(--color-grey-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-medium), opacity var(--transition-fast), visibility var(--transition-fast);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__visual {
    justify-self: stretch;
    max-width: none;
    order: -1;
  }

  .hero__content {
    max-width: none;
  }

  .articles-strip__intro {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .articles-strip__title {
    max-width: none;
  }

  .articles-strip__controls {
    justify-content: flex-start;
  }

  .insights-split__grid {
    grid-template-columns: 1fr;
  }

  .insights-collage {
    order: -1;
    justify-self: stretch;
    max-width: none;
    min-height: 20rem;
    margin-bottom: 1rem;
  }

  .insights-collage__img--top {
    width: 62%;
  }

  .insights-collage__img--bottom {
    width: 80%;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}