/* =============================================================================
   AlvaradoGraphics — Secciones de página
   ========================================================================== */

/* =============================================================================
   Hero
   =============================================================================
   Se eliminan las partículas flotantes y el titular con degradado del diseño
   anterior. Ambos son señales inmediatas de plantilla: las partículas remiten a
   2019 y el texto con degradado es el recurso más copiado de las plantillas
   gratuitas. Aquí la fuerza viene del tamaño tipográfico y del aire.
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(3.5rem, 9vw, 8rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.hero__eyebrow { margin-bottom: var(--space-lg); }

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-5xl);
  line-height: 0.9;
  letter-spacing: -0.042em;
  text-wrap: balance;
  max-width: 15ch;
}

.hero__title em { font-style: italic; color: var(--accent); }

/* Cada línea del titular sube desde detrás de su propia máscara. Es un reveal
   de cine y cuesta cero JavaScript. */
.line-mask { display: block; overflow: hidden; }

.line-mask > span {
  display: block;
  animation: lineRise 1.1s var(--ease-out) both;
}

.line-mask:nth-of-type(1) > span { animation-delay: 0.05s; }
.line-mask:nth-of-type(2) > span { animation-delay: 0.15s; }
.line-mask:nth-of-type(3) > span { animation-delay: 0.25s; }

@keyframes lineRise {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .line-mask > span { animation: none; }
}

.hero__foot {
  display: grid;
  gap: var(--space-lg);
  align-items: end;
  animation: fade 1s var(--ease-out) 0.5s both;
}

@media (min-width: 56rem) {
  .hero__foot {
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
  }
}

.hero__intro {
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: var(--ink-soft);
  max-width: 44ch;
  text-wrap: pretty;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

/* -- Cintillo de datos ------------------------------------------------------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr));
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  border-top: 1px solid var(--rule);
}

.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
}

.stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* =============================================================================
   Servicios
   ============================================================================= */

.service-list { border-top: 1px solid var(--rule); }

/* Cada servicio es una fila de catálogo, no una tarjeta. Las filas comunican
   "índice ordenado"; las tarjetas flotantes comunican "cuadrícula de blog". */
.service-row {
  display: grid;
  gap: var(--space-sm);
  padding-block: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
  position: relative;
}

@media (min-width: 56rem) {
  .service-row {
    grid-template-columns: 4rem minmax(0, 20rem) minmax(0, 1fr) auto;
    gap: var(--space-xl);
    align-items: start;
  }
}

.service-row__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.12;
  letter-spacing: -0.02em;
  transition: color var(--duration-base) var(--ease-out);
}

.service-row:hover .service-row__title { color: var(--accent); }

.service-row__tagline {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  margin-top: 0.4rem;
  text-wrap: pretty;
}

.service-row__body {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  text-wrap: pretty;
}

.service-row__deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: var(--space-md);
}

.service-row__deliverables li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--text-sm);
  color: var(--ink-muted);
}

.service-row__deliverables li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.4rem;
  height: 1px;
  background: var(--accent);
}

.service-row__price {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-muted);
  white-space: nowrap;
}

.service-row__price strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-top: 0.2rem;
}

/* =============================================================================
   Proceso
   ============================================================================= */

.process {
  display: grid;
  gap: 0;
  counter-reset: step;
}

@media (min-width: 48rem) {
  .process { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 72rem) {
  .process { grid-template-columns: repeat(3, 1fr); }
}

.process__step {
  position: relative;
  padding: var(--space-xl) var(--space-lg) var(--space-xl) 0;
  border-top: 1px solid var(--rule);
  counter-increment: step;
}

@media (min-width: 48rem) {
  .process__step { padding-right: var(--space-2xl); }
  /* Filete vertical entre columnas, sin bordes exteriores: la retícula se
     insinúa en lugar de encajonar cada paso. */
  .process__step:not(:nth-child(2n)) { border-right: 1px solid var(--rule); padding-right: var(--space-xl); }
}

@media (min-width: 72rem) {
  .process__step:not(:nth-child(2n)) { border-right: none; }
  .process__step:not(:nth-child(3n)) { border-right: 1px solid var(--rule); }
}

.process__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-md);
  display: block;
}

.process__num::before { content: counter(step, decimal-leading-zero); }

.process__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.process__body {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  text-wrap: pretty;
}

.process__duration {
  display: inline-block;
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* =============================================================================
   Sobre nosotros
   ============================================================================= */

.about {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

@media (min-width: 60rem) {
  .about { grid-template-columns: 1fr 1fr; align-items: start; }
}

.about__body { color: var(--ink-soft); font-size: var(--text-md); line-height: var(--leading-loose); }
.about__body p + p { margin-top: 1.2em; }

/* Capitular. Es un recurso puramente editorial y es justo lo que separa un
   bloque de texto web de una página de revista. */
.about__body > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.6em;
  line-height: 0.78;
  padding-right: 0.09em;
  padding-top: 0.06em;
  color: var(--accent);
}

.about__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about__figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-sunk);
  aspect-ratio: 4 / 5;
}

.about__figure img { width: 100%; height: 100%; object-fit: cover; }

/* =============================================================================
   Contacto
   ============================================================================= */

.contact {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

@media (min-width: 60rem) {
  .contact { grid-template-columns: 1fr 1.15fr; }
}

.contact__aside { display: flex; flex-direction: column; gap: var(--space-xl); }

.contact__channels { display: flex; flex-direction: column; gap: var(--space-md); }

.contact__channel {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--rule);
}

.contact__channel-label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-faint);
}

.contact__channel-value {
  font-size: var(--text-md);
  color: var(--ink);
  transition: color var(--duration-fast) var(--ease-out);
}

a.contact__channel-value:hover { color: var(--accent); }

.contact__form { display: flex; flex-direction: column; gap: var(--space-lg); }

/* =============================================================================
   Llamada final
   ============================================================================= */

.cta-band {
  background: var(--paper-inverse);
  color: var(--paper);
  border-radius: var(--radius-md);
  padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

/* La banda invierte el tema, así que las variables de texto deben invertirse
   también o los tonos apagados se volverían ilegibles sobre el fondo oscuro. */
.cta-band { --ink: var(--paper); --ink-soft: color-mix(in srgb, var(--paper) 72%, transparent); }

.cta-band__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 18ch;
}

.cta-band__title em { font-style: italic; color: var(--accent); }

.cta-band__intro {
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  max-width: 46ch;
  text-wrap: pretty;
}

.cta-band .btn--primary {
  background: var(--paper);
  color: var(--paper-inverse);
}

.cta-band .btn--primary:hover { background: var(--accent); color: #FFF; }

.cta-band .btn--outline {
  border-color: color-mix(in srgb, var(--paper) 32%, transparent);
  color: var(--paper);
}

.cta-band .btn--outline:hover {
  background: var(--paper);
  color: var(--paper-inverse);
  border-color: var(--paper);
}

/* =============================================================================
   Caso de estudio (página de proyecto)
   ============================================================================= */

.case-hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem); }

.case-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  line-height: 0.94;
  letter-spacing: -0.038em;
  text-wrap: balance;
  max-width: 18ch;
  margin-block: var(--space-lg) var(--space-md);
}

.case-hero__subtitle {
  font-size: var(--text-md);
  color: var(--ink-soft);
  max-width: 52ch;
  text-wrap: pretty;
}

/* Ficha técnica en filete, como el pie de imprenta de una publicación. */
.case-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr));
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  margin-top: var(--space-xl);
  border-block: 1px solid var(--rule);
}

.case-fact__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}

.case-fact__value { font-size: var(--text-sm); color: var(--ink); text-wrap: pretty; }

.case-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-sunk);
  aspect-ratio: 16 / 9;
  /* Nombre para que la portada se transforme desde la tarjeta de la portada
     durante la transición de página. */
  view-transition-name: project-cover;
}

.case-cover img { width: 100%; height: 100%; object-fit: cover; }

/* -- Bloques narrativos ------------------------------------------------------ */

.case-block {
  display: grid;
  gap: var(--space-md);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 56rem) {
  .case-block {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }
}

.case-block__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-top: 0.35rem;
}

.case-block__body {
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--ink-soft);
  max-width: 62ch;
  text-wrap: pretty;
}

.case-block__body p + p { margin-top: 1.1em; }

/* -- Métricas ---------------------------------------------------------------- */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.metric {
  padding: var(--space-md);
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.metric__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.metric__label {
  font-size: var(--text-xs);
  color: var(--ink-muted);
  line-height: var(--leading-snug);
}

/* -- Galería ----------------------------------------------------------------- */

.case-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.case-gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--paper-sunk);
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
}

.case-gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.case-gallery__item:hover img { transform: scale(1.04); }

/* Un elemento de cada tres ocupa doble ancho: evita la cuadrícula plana sin
   necesidad de decidir tamaños a mano en cada proyecto. */
@media (min-width: 48rem) {
  .case-gallery__item:nth-child(3n+1) { grid-column: span 2; aspect-ratio: 16 / 9; }
}

/* -- Navegación entre proyectos ---------------------------------------------- */

.case-next {
  display: grid;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--rule);
}

@media (min-width: 48rem) { .case-next { grid-template-columns: repeat(2, 1fr); } }

.case-next__card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out);
}

.case-next__card:hover { border-color: var(--rule-strong); background: var(--veil); }

.case-next__thumb {
  flex: none;
  width: 4.5rem;
  height: 3.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--paper-sunk);
}

.case-next__thumb img { width: 100%; height: 100%; object-fit: cover; }

.case-next__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}

.case-next__title { font-size: var(--text-sm); font-weight: 500; line-height: 1.3; }

/* -- Barra de progreso de lectura -------------------------------------------- */
/* Ligada al scroll por el compositor: no consume hilo principal ni requiere JS. */

.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--accent);
  z-index: calc(var(--z-sticky) + 1);
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .read-progress {
      animation: growProgress linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes growProgress { to { transform: scaleX(1); } }

/* =============================================================================
   Página vacía / 404
   ============================================================================= */

.blank-state {
  min-height: 60svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-md);
  padding-block: var(--section-y);
}

.blank-state__code {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--accent);
}

.blank-state__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.blank-state__body { color: var(--ink-muted); max-width: 42ch; text-wrap: pretty; }

/* Estado vacío en línea, para rejillas sin contenido. */
.empty-note {
  padding: var(--space-xl);
  text-align: center;
  color: var(--ink-faint);
  font-size: var(--text-sm);
  border: 1px dashed var(--rule);
  border-radius: var(--radius-md);
}