/* =====================================================================
   PORTFOLIO — Sistema de diseño
   1. Tokens  2. Base  3. Layout  4. Componentes  5. Secciones
   6. Animaciones  7. Responsive
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. TOKENS
   Neutros con una leve temperatura fría (no gris puro) y un solo acento
   usado con moderación. Todo el sistema depende de estas variables:
   cambiar el color primario desde el panel reescribe solo --brand.
   --------------------------------------------------------------------- */
:root {
  /* Marca (el panel sobreescribe --brand y --accent en línea) */
  --brand: #4f46e5;
  --accent: #06b6d4;
  --brand-soft: color-mix(in srgb, var(--brand) 12%, transparent);

  /* Neutros — modo claro */
  --bg: #ffffff;
  --bg-subtle: #f7f8fb;
  --bg-elevated: #ffffff;
  --border: #e7e9ef;
  --border-strong: #d6dae4;
  --text: #0d1117;
  --text-muted: #5b6472;
  --text-soft: #8a93a3;

  /* Semánticos */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #0ea5e9;

  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: clamp(2.5rem, 5.5vw, 4rem);

  /* Espaciado (escala única 4/8/12/16/24/32/48/64/96) */
  --s-1: 0.25rem; --s-2: 0.5rem;  --s-3: 0.75rem; --s-4: 1rem;
  --s-6: 1.5rem;  --s-8: 2rem;    --s-12: 3rem;   --s-16: 4rem;
  --s-24: 6rem;

  /* Radios */
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px; --r-xl: 26px; --r-full: 999px;

  /* Elevación: 3 niveles, no uno por componente */
  --sh-1: 0 1px 2px rgba(13, 17, 23, .04), 0 1px 3px rgba(13, 17, 23, .06);
  --sh-2: 0 4px 12px rgba(13, 17, 23, .06), 0 2px 4px rgba(13, 17, 23, .04);
  --sh-3: 0 18px 40px rgba(13, 17, 23, .10), 0 4px 12px rgba(13, 17, 23, .05);

  --container: 1180px;
  --nav-h: 68px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

[data-tema="oscuro"] {
  /* Dark mode pensado, no invertido: gris muy oscuro con tono azulado */
  --bg: #0b0e14;
  --bg-subtle: #10141d;
  --bg-elevated: #151a24;
  --border: #222836;
  --border-strong: #2f3746;
  --text: #eef1f6;
  --text-muted: #a2acbd;
  --text-soft: #6f7a8c;
  --sh-1: 0 1px 2px rgba(0, 0, 0, .4);
  --sh-2: 0 4px 14px rgba(0, 0, 0, .45);
  --sh-3: 0 20px 44px rgba(0, 0, 0, .55);
}

/* ---------------------------------------------------------------------
   2. BASE
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

h1, h2, h3, h4 {
  margin: 0 0 var(--s-4);
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 660;
}
h1 { font-size: var(--fs-4xl); letter-spacing: -0.035em; }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }
p  { margin: 0 0 var(--s-4); color: var(--text-muted); }

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

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

::selection { background: var(--brand); color: #fff; }

/* ---------------------------------------------------------------------
   3. LAYOUT
   --------------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--s-6); }

.section { padding-block: var(--s-24); }
.section--subtle { background: var(--bg-subtle); }

.section-head { max-width: 640px; margin-bottom: var(--s-12); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head p { font-size: var(--fs-lg); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: var(--s-3);
}

.grid { display: grid; gap: var(--s-6); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------------------------------------------------------------------
   4. COMPONENTES
   --------------------------------------------------------------------- */

/* Navbar ------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav__inner { display: flex; align-items: center; gap: var(--s-6); width: 100%; }
.nav__brand { font-weight: 680; letter-spacing: -.02em; font-size: var(--fs-lg); display: flex; align-items: center; gap: var(--s-2); }
.nav__brand img { height: 30px; width: auto; }
.nav__links { display: flex; gap: var(--s-6); margin-left: auto; align-items: center; }
.nav__links a { font-size: var(--fs-sm); font-weight: 520; color: var(--text-muted); transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: var(--s-3); }

.nav__toggle, .tema-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--r-md);
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-muted); cursor: pointer;
  transition: color .2s, border-color .2s, transform .2s var(--ease);
}
.nav__toggle:hover, .tema-btn:hover { color: var(--text); border-color: var(--border-strong); }
.tema-btn:active { transform: scale(.94); }
.nav__toggle { display: none; }

/* Botones ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 0.72rem 1.35rem;
  min-height: 44px;
  font-size: var(--fs-sm); font-weight: 580; font-family: inherit;
  border-radius: var(--r-full);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background-color .18s, border-color .18s, color .18s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn--primary { background: var(--text); color: var(--bg); box-shadow: var(--sh-1); }
.btn--primary:hover { box-shadow: var(--sh-2); transform: translateY(-1px); }

.btn--brand { background: var(--brand); color: #fff; box-shadow: 0 6px 18px color-mix(in srgb, var(--brand) 28%, transparent); }
.btn--brand:hover { transform: translateY(-1px); box-shadow: 0 10px 26px color-mix(in srgb, var(--brand) 34%, transparent); }

.btn--ghost { background: var(--bg-elevated); color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--border-strong); transform: translateY(-1px); }

.btn--sm { padding: .5rem 1rem; min-height: 38px; font-size: var(--fs-xs); }
.btn--block { width: 100%; }

/* Badges ------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--r-full);
  font-size: var(--fs-xs); font-weight: 580; line-height: 1.6;
  background: var(--bg-subtle); color: var(--text-muted);
  border: 1px solid var(--border);
}
.badge--nuevo   { background: color-mix(in srgb, var(--success) 12%, transparent); color: var(--success); border-color: transparent; }
.badge--destacado { background: color-mix(in srgb, var(--warning) 14%, transparent); color: #b45309; border-color: transparent; }
.badge--produccion { background: color-mix(in srgb, var(--success) 12%, transparent); color: var(--success); border-color: transparent; }
.badge--demo { background: color-mix(in srgb, var(--info) 12%, transparent); color: var(--info); border-color: transparent; }
[data-tema="oscuro"] .badge--destacado { color: #fbbf24; }

/* Cards -------------------------------------------------------------- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); border-color: var(--border-strong); }

/* Card de proyecto */
.proyecto {
  display: flex; flex-direction: column; overflow: hidden; height: 100%;
}
.proyecto__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-subtle); }
.proyecto__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.proyecto:hover .proyecto__media img { transform: scale(1.045); }
.proyecto__flags { position: absolute; top: var(--s-3); left: var(--s-3); display: flex; gap: 6px; }
.proyecto__body { padding: var(--s-6); display: flex; flex-direction: column; gap: var(--s-3); flex: 1; }
.proyecto__cat { font-size: var(--fs-xs); font-weight: 600; color: var(--brand); text-transform: uppercase; letter-spacing: .07em; }
.proyecto__title { font-size: var(--fs-lg); margin: 0; }
.proyecto__desc { font-size: var(--fs-sm); margin: 0; }
.proyecto__techs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: var(--s-2); }
.tech-chip {
  font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: var(--r-full);
  border: 1px solid var(--border); color: var(--text-muted);
}
.proyecto__actions { display: flex; gap: var(--s-2); padding: 0 var(--s-6) var(--s-6); }

/* Card de servicio */
.servicio { position: relative; padding: var(--s-8); height: 100%; }

/* Tarjeta del hero: mismo estilo que .servicio, pero más chica y alineada
   a la derecha dentro de la columna, en vez de ocupar todo el ancho. */
.hero__visual--sized {
  max-width: 420px;
  width: 100%;
  margin-inline-start: auto;
  height: auto;
  position: relative;
}
.hero__visual--sized::after {
  content: '';
  position: absolute;
  inset: -18%;
  z-index: -1;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand) 24%, transparent) 0%, transparent 68%);
  filter: blur(24px);
  pointer-events: none;
}

/* --- Rueda de proceso del hero ---
   Dona SVG con un gajo por paso (generados dinámicamente desde $pasos).
   Al pasar el cursor por un gajo, se pinta con el degradé de marca y su
   título/descripción aparecen en el centro (hub), reemplazando al ícono
   por defecto. Sin JS: todo con :hover / :focus-visible y :has(). */
.wheel {
  position: relative;
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  margin: 0 auto;
}
.wheel__svg { width: 100%; height: 100%; overflow: visible; }
.wheel-seg {
  fill: var(--bg-subtle);
  stroke: var(--border);
  stroke-width: 1;
  cursor: pointer;
  transition: fill .3s var(--ease);
}
.wheel-seg:hover,
.wheel-seg:focus-visible {
  fill: url(#wheelGrad);
  outline: none;
}
.wheel-num {
  font-size: 15px;
  font-weight: 700;
  fill: var(--text-muted);
  pointer-events: none;
  transition: fill .3s var(--ease);
}
.wheel-seg:hover + .wheel-num,
.wheel-seg:focus-visible + .wheel-num {
  fill: #fff;
}

.wheel__hub {
  position: absolute;
  inset: 22.65%;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--sh-1);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--s-3); text-align: center;
  padding-inline: var(--s-2);
  pointer-events: none;
}
.wheel__logo { width: 34%; height: auto; }
.wheel__logo-wrap {
  display: inline-flex;
  transition: transform .35s var(--ease);
}
.wheel__hub:hover .wheel__logo-wrap { transform: scale(1.08); }
.wheel__logo--img {
  width: 52%;
  opacity: 0;
  transform: scale(.82);
  animation: logoEnter .7s var(--ease) .5s forwards, logoFloat 5s ease-in-out 1.2s infinite;
  filter: drop-shadow(0 0 0 transparent);
  transition: filter .35s var(--ease);
}
.wheel__hub:hover .wheel__logo--img {
  filter: drop-shadow(0 0 14px color-mix(in srgb, var(--brand) 45%, transparent));
}
@keyframes logoEnter {
  from { opacity: 0; transform: scale(.82); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-4px) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .wheel__logo--img { animation: none; opacity: 1; transform: none; }
  .wheel__logo-wrap { transition: none; }
}
.wheel__hint { font-size: var(--fs-xs); color: var(--text-muted); padding: 0 var(--s-4); }

/* --- Popup centrado por paso ---
   Ventana emergente que aparece en el centro de la rueda, superpuesta al
   hub, al pasar el cursor u obtener foco sobre el gajo/número correspon-
   diente. Se oculta al sacar el cursor — sin JS, con :has(). */
.wheel__popup {
  position: absolute;
  inset: 15%;
  z-index: 20;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  box-shadow: var(--sh-3), 0 0 0 6px color-mix(in srgb, var(--brand) 10%, transparent);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; text-align: center; padding: var(--s-4);
  opacity: 0;
  scale: .85;
  pointer-events: none;
  transition: opacity .25s var(--ease), scale .25s var(--ease);
}
.wheel__popup-num { font-size: 11px; font-weight: 700; color: var(--brand); letter-spacing: .06em; }
.wheel__popup strong { font-size: var(--fs-sm); color: var(--text); }
.wheel__popup p { font-size: 12px; line-height: 1.4; color: var(--text-muted); margin: 2px 0 0; }

/* Muestra el popup del paso correspondiente cuando su gajo está activo.
   Reglas fijas hasta 10 pasos; de sobra para lo que use la sección Proceso. */
.wheel:has(#seg-1:is(:hover, :focus-visible)) .wheel__popup[data-step="1"],
.wheel:has(#seg-2:is(:hover, :focus-visible)) .wheel__popup[data-step="2"],
.wheel:has(#seg-3:is(:hover, :focus-visible)) .wheel__popup[data-step="3"],
.wheel:has(#seg-4:is(:hover, :focus-visible)) .wheel__popup[data-step="4"],
.wheel:has(#seg-5:is(:hover, :focus-visible)) .wheel__popup[data-step="5"],
.wheel:has(#seg-6:is(:hover, :focus-visible)) .wheel__popup[data-step="6"],
.wheel:has(#seg-7:is(:hover, :focus-visible)) .wheel__popup[data-step="7"],
.wheel:has(#seg-8:is(:hover, :focus-visible)) .wheel__popup[data-step="8"],
.wheel:has(#seg-9:is(:hover, :focus-visible)) .wheel__popup[data-step="9"],
.wheel:has(#seg-10:is(:hover, :focus-visible)) .wheel__popup[data-step="10"] {
  opacity: 1;
  scale: 1;
}

.servicio__icon {
  width: 46px; height: 46px; border-radius: var(--r-md);
  display: grid; place-items: center; margin-bottom: var(--s-4);
  background: var(--brand-soft); color: var(--brand);
}
.servicio h3 { font-size: var(--fs-lg); margin-bottom: var(--s-2); }
.servicio p { font-size: var(--fs-sm); margin: 0; }

/* Tecnologías */
.tech-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s-4); }
.tech-item {
  display: flex; flex-direction: column; align-items: center; gap: var(--s-2);
  padding: var(--s-6) var(--s-3);
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--bg-elevated);
  font-size: var(--fs-sm); font-weight: 560;
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s var(--ease);
}
.tech-item:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.tech-item__dot { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-weight: 700; color: #fff; font-size: 13px; }

/* Testimonios */
.testimonio { padding: var(--s-8); height: 100%; display: flex; flex-direction: column; gap: var(--s-4); }
.testimonio__stars { color: var(--warning); letter-spacing: 2px; font-size: var(--fs-sm); }
.testimonio__texto { font-size: var(--fs-base); color: var(--text); margin: 0; }
.testimonio__autor { display: flex; align-items: center; gap: var(--s-3); margin-top: auto; }
.testimonio__autor img, .testimonio__avatar {
  width: 44px; height: 44px; border-radius: var(--r-full); object-fit: cover;
  background: var(--brand-soft); color: var(--brand);
  display: grid; place-items: center; font-weight: 700;
}
.testimonio__autor strong { display: block; font-size: var(--fs-sm); }
.testimonio__autor span { font-size: var(--fs-xs); color: var(--text-soft); }

/* Estadísticas */
.stat { text-align: center; }
.stat__num { font-size: var(--fs-3xl); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.stat__label { font-size: var(--fs-sm); color: var(--text-muted); }

/* Métricas de caso de éxito */
.metricas { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--s-4); }
.metrica {
  padding: var(--s-6); border-radius: var(--r-md); text-align: center;
  background: var(--bg-subtle); border: 1px solid var(--border);
}
.metrica__valor { font-size: var(--fs-2xl); font-weight: 700; color: var(--brand); letter-spacing: -.03em; }
.metrica__label { font-size: var(--fs-sm); color: var(--text-muted); }

/* Timeline del proceso */
.timeline { position: relative; display: grid; gap: var(--s-8); }
.timeline::before {
  content: ''; position: absolute; left: 19px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(var(--brand), transparent);
  opacity: .35;
}
.paso { display: grid; grid-template-columns: 40px 1fr; gap: var(--s-4); align-items: start; }
.paso__num {
  width: 40px; height: 40px; border-radius: var(--r-full);
  display: grid; place-items: center; font-weight: 700; font-size: var(--fs-sm);
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--brand);
  position: relative; z-index: 1;
}
.paso h3 { font-size: var(--fs-base); margin-bottom: 2px; }
.paso p { font-size: var(--fs-sm); margin: 0; }

/* Formularios -------------------------------------------------------- */
.form { display: grid; gap: var(--s-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
.campo { display: grid; gap: 6px; }
.campo label { font-size: var(--fs-sm); font-weight: 560; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: .7rem .9rem; font: inherit; font-size: var(--fs-sm);
  color: var(--text); background: var(--bg); min-height: 44px;
  border: 1px solid var(--border); border-radius: var(--r-md);
  transition: border-color .2s, box-shadow .2s;
}
.campo textarea { min-height: 130px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
.campo .ayuda { font-size: var(--fs-xs); color: var(--text-soft); }

.alerta { padding: var(--s-3) var(--s-4); border-radius: var(--r-md); font-size: var(--fs-sm); border: 1px solid; }
.alerta--ok    { background: color-mix(in srgb, var(--success) 10%, transparent); border-color: color-mix(in srgb, var(--success) 30%, transparent); color: var(--success); }
.alerta--error { background: color-mix(in srgb, var(--danger) 10%, transparent); border-color: color-mix(in srgb, var(--danger) 30%, transparent); color: var(--danger); }

/* Filtros y buscador -------------------------------------------------- */
.filtros { display: flex; flex-wrap: wrap; gap: var(--s-2); align-items: center; }
.filtro {
  padding: .48rem 1rem; border-radius: var(--r-full); cursor: pointer;
  font-size: var(--fs-sm); font-weight: 540; font-family: inherit;
  background: var(--bg-elevated); color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all .2s var(--ease);
}
.filtro:hover { color: var(--text); border-color: var(--border-strong); }
.filtro.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }

.buscador { position: relative; margin-left: auto; min-width: 240px; }
.buscador input { padding-left: 2.4rem; }
.buscador svg { position: absolute; left: .85rem; top: 50%; transform: translateY(-50%); color: var(--text-soft); }

.sin-resultados { text-align: center; padding: var(--s-16) 0; color: var(--text-muted); }

/* Lightbox ------------------------------------------------------------ */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center;
  background: rgba(6, 8, 12, .92); padding: var(--s-6);
  backdrop-filter: blur(4px);
}
.lightbox.is-open { display: flex; animation: fadeIn .25s var(--ease); }
.lightbox img { max-width: min(1100px, 92vw); max-height: 86vh; border-radius: var(--r-md); object-fit: contain; }
.lightbox__cerrar, .lightbox__nav {
  position: absolute; background: rgba(255,255,255,.12); color: #fff;
  border: none; border-radius: var(--r-full); width: 46px; height: 46px;
  cursor: pointer; font-size: 20px; display: grid; place-items: center;
  transition: background .2s;
}
.lightbox__cerrar:hover, .lightbox__nav:hover { background: rgba(255,255,255,.24); }
.lightbox__cerrar { top: var(--s-6); right: var(--s-6); }
.lightbox__nav--prev { left: var(--s-6); }
.lightbox__nav--next { right: var(--s-6); }

/* Galería */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--s-3); }
.galeria img { aspect-ratio: 16/10; object-fit: cover; border-radius: var(--r-md); cursor: zoom-in; border: 1px solid var(--border); transition: transform .3s var(--ease); }
.galeria img:hover { transform: scale(1.02); }

/* Comparador antes / después ------------------------------------------ */
.comparador {
  position: relative; overflow: hidden; border-radius: var(--r-lg);
  border: 1px solid var(--border); user-select: none; touch-action: none;
  aspect-ratio: 16 / 9; background: var(--bg-subtle);
}
.comparador img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.comparador__despues { clip-path: inset(0 0 0 50%); }
.comparador__handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px;
  background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.15); cursor: ew-resize;
}
.comparador__handle::after {
  content: '⟷'; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px; border-radius: var(--r-full);
  background: #fff; color: #111; display: grid; place-items: center;
  box-shadow: var(--sh-2); font-size: 14px;
}
.comparador__etiqueta {
  position: absolute; bottom: var(--s-3); padding: 4px 10px; border-radius: var(--r-full);
  background: rgba(0,0,0,.6); color: #fff; font-size: var(--fs-xs); font-weight: 600;
}
.comparador__etiqueta--a { left: var(--s-3); }
.comparador__etiqueta--b { right: var(--s-3); }

/* Flotantes ----------------------------------------------------------- */
.wsp-flotante {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 56px; height: 56px; border-radius: var(--r-full);
  background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .38);
  transition: transform .25s var(--ease);
}
.wsp-flotante:hover { transform: scale(1.08); }

.subir {
  position: fixed; right: 20px; bottom: 88px; z-index: 60;
  width: 44px; height: 44px; border-radius: var(--r-full);
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-muted);
  display: grid; place-items: center; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .3s var(--ease); box-shadow: var(--sh-2);
}
.subir.is-visible { opacity: 1; visibility: visible; transform: none; }

/* Breadcrumbs y toast -------------------------------------------------- */
.breadcrumbs { font-size: var(--fs-sm); color: var(--text-soft); display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumbs a:hover { color: var(--text); }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 14px);
  background: var(--text); color: var(--bg); padding: .7rem 1.2rem;
  border-radius: var(--r-full); font-size: var(--fs-sm); font-weight: 540;
  opacity: 0; pointer-events: none; transition: all .3s var(--ease); z-index: 120;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* Footer -------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); padding-block: var(--s-12); background: var(--bg-subtle); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--s-8); }
.footer h4 { font-size: var(--fs-sm); margin-bottom: var(--s-3); }
.footer a { font-size: var(--fs-sm); color: var(--text-muted); display: block; margin-bottom: 8px; transition: color .2s; }
.footer a:hover { color: var(--text); }
.footer__bottom {
  margin-top: var(--s-8); padding-top: var(--s-6); border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
  font-size: var(--fs-xs); color: var(--text-soft);
}

/* ---------------------------------------------------------------------
   5. SECCIONES
   --------------------------------------------------------------------- */
.hero { position: relative; padding-block: clamp(4rem, 10vw, 7.5rem) var(--s-24); overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -30% 0 auto 50%;
  width: 900px; height: 700px; transform: translateX(-50%);
  background: radial-gradient(ellipse at center,
              color-mix(in srgb, var(--brand) 16%, transparent) 0%,
              transparent 62%);
  pointer-events: none; z-index: -1;
}
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s-16); align-items: center; }
.hero p.hero__sub { font-size: var(--fs-lg); max-width: 52ch; }
.hero__cta { display: flex; gap: var(--s-3); flex-wrap: wrap; margin-top: var(--s-8); }
.hero__meta { display: flex; gap: var(--s-6); margin-top: var(--s-12); flex-wrap: wrap; font-size: var(--fs-sm); color: var(--text-soft); }
.hero__visual {
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--sh-3);
  background: var(--bg-elevated);
}
.hero__visual img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }

/* --- Anillo animado al pasar el mouse ---
   Línea con degradé que "recorre" el contorno de la tarjeta mientras el
   cursor está encima. El hero ahora usa las mismas clases .card.servicio
   que las tarjetas de servicio, así que un solo bloque de reglas cubre a
   las dos. */
.servicio {
  isolation: isolate;
}
.servicio::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from 0deg,
              transparent 0 60%,
              var(--accent) 78%,
              var(--brand) 92%,
              transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  animation-name: ringSpin;
  animation-duration: 2.6s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-play-state: paused;
  transition: opacity .35s var(--ease);
  pointer-events: none;
}
.servicio:hover::before,
.servicio:focus-within::before {
  opacity: 1;
  animation-play-state: running;
}
@keyframes ringSpin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .servicio::before { animation: none; }
}

.sobre { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-16); align-items: center; }
.sobre__foto { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh-2); border: 1px solid var(--border); }

/* Detalle de proyecto */
.detalle__hero { padding-block: var(--s-12) var(--s-8); }
.detalle__titulo { margin: var(--s-4) 0 var(--s-3); }
.detalle__meta { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-bottom: var(--s-6); }
.detalle__portada { border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--sh-2); }
.detalle__cols { display: grid; grid-template-columns: 1.6fr .9fr; gap: var(--s-16); align-items: start; }
.detalle__bloque { margin-bottom: var(--s-12); }
.detalle__bloque h2 { font-size: var(--fs-2xl); }
.detalle__lista { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-3); }
.detalle__lista li { display: flex; gap: var(--s-3); font-size: var(--fs-sm); color: var(--text-muted); }
.detalle__lista li::before { content: '✓'; color: var(--success); font-weight: 700; }

.ficha { position: sticky; top: calc(var(--nav-h) + var(--s-6)); padding: var(--s-6); display: grid; gap: var(--s-4); }
.ficha__fila { display: flex; justify-content: space-between; gap: var(--s-4); font-size: var(--fs-sm); padding-bottom: var(--s-3); border-bottom: 1px solid var(--border); }
.ficha__fila:last-of-type { border-bottom: none; padding-bottom: 0; }
.ficha__fila span:first-child { color: var(--text-soft); }
.ficha__fila span:last-child { font-weight: 560; text-align: right; }

.compartir { display: flex; gap: var(--s-2); flex-wrap: wrap; }

/* ---------------------------------------------------------------------
   6. ANIMACIONES — sutiles y con propósito
   --------------------------------------------------------------------- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------------
   7. RESPONSIVE
   --------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .hero__inner, .sobre, .detalle__cols { grid-template-columns: 1fr; gap: var(--s-12); }
  .ficha { position: static; }
}

@media (max-width: 720px) {
  :root { --s-24: 4rem; --s-16: 3rem; }
  .nav__toggle { display: inline-flex; }
  .nav__actions { margin-left: auto; }
  .nav__links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border);
    padding: var(--s-3) var(--s-6) var(--s-6);
    box-shadow: var(--sh-2);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: var(--s-3) 0; border-bottom: 1px solid var(--border); }
  .nav__links .btn { margin-top: var(--s-3); }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .buscador { margin-left: 0; width: 100%; }
  .filtros { gap: 6px; }
  .stat__num { font-size: var(--fs-2xl); }
}