/* ============================================================
   ALQUICON — Intro y capa de movimiento
   Todo lo de aquí es adorno: si se quita, la página sigue
   funcionando igual. Solo se anima opacity/transform/clip-path
   para no forzar recálculos de diseño.
   ============================================================ */

/* =========================================================
   1. INTRO
   El plano de una piscina se dibuja, se llena de agua y el
   nivel sube hasta descubrir la página.
   ========================================================= */

.intro {
  position: fixed; inset: 0; z-index: var(--z-loader);
  background: var(--ink);
  display: grid; place-items: center;
  overflow: hidden;
  clip-path: inset(0 0 0 0);
  transition: clip-path .78s cubic-bezier(.76, 0, .24, 1);
}
.intro.is-out { clip-path: inset(0 0 100% 0); }
.intro.is-gone { display: none; }

/* Retícula de plano */
.intro__grid {
  position: absolute; inset: -10%;
  background-image:
    linear-gradient(rgba(26,192,196,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,192,196,.075) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(58% 58% at 50% 46%, #000 30%, transparent 78%);
          mask-image: radial-gradient(58% 58% at 50% 46%, #000 30%, transparent 78%);
  opacity: 0;
  animation: in-fade .5s var(--ease-out) forwards;
}

.intro__stage {
  position: relative;
  width: min(560px, 84vw);
  text-align: center;
}

.intro__plan { width: 100%; height: auto; overflow: visible; }

/* Contorno que se dibuja */
.intro__line {
  fill: none;
  stroke: var(--aqua);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 6px rgba(26,192,196,.45));
  animation: in-draw .62s cubic-bezier(.5, 0, .2, 1) forwards;
}
.intro__line--pool  { animation-delay: .10s; }
.intro__line--jac   { animation-delay: .40s; animation-duration: .4s; }
.intro__line--steps { animation-delay: .52s; animation-duration: .33s; stroke-width: 1.6; }

/* Cotas y textos técnicos */
.intro__dims path {
  fill: none; stroke: rgba(147,160,167,.55); stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.intro__dims, .intro__tx {
  opacity: 0;
  animation: in-fade .4s var(--ease-out) .5s forwards;
}
.intro__tx {
  fill: var(--mute);
  font-family: var(--font-display);
  font-size: 11px; font-weight: 600; letter-spacing: .14em;
}
.intro__tx--s { font-size: 9px; fill: rgba(147,160,167,.75); }

/* Agua */
.intro__water {
  transform: translateY(150px);
  animation: in-fill .62s cubic-bezier(.33, 1, .68, 1) .72s forwards;
}
.intro__wave { fill: rgba(255,255,255,.16); }
.intro__wave--a { animation: in-drift 2.6s linear infinite; }
.intro__wave--b { fill: rgba(255,255,255,.1); animation: in-drift 3.9s linear infinite reverse; }

/* Marca */
.intro__word {
  margin: clamp(1rem, .6rem + 1.6vw, 1.9rem) 0 0;
  display: flex; justify-content: center;
  font-size: clamp(1.6rem, 1rem + 3vw, 3.1rem);
  font-weight: 800; letter-spacing: .26em; text-indent: .26em;
  line-height: 1;
}
.intro__word span {
  display: inline-block;
  opacity: 0;
  transform: translateY(70%) scaleY(1.25);
  animation: in-rise .5s var(--ease-out) forwards;
  animation-delay: calc(.9s + var(--i) * 36ms);
}
.intro__word span:first-child { color: var(--aqua); }

.intro__sub, .intro__stamp {
  margin: .7rem 0 0;
  opacity: 0;
  animation: in-fade .45s var(--ease-out) 1.16s forwards;
}
.intro__sub {
  font-size: clamp(.62rem, .55rem + .3vw, .78rem);
  letter-spacing: .42em; text-indent: .42em; text-transform: uppercase;
  color: var(--mute);
}
.intro__stamp {
  margin-top: 1.5rem;
  font-size: .6rem; letter-spacing: .24em; text-transform: uppercase;
  color: rgba(147,160,167,.5);
  animation-delay: 1.3s;
}

/* Línea de agua que se lleva el intro */
.intro__edge {
  position: absolute; left: -5%; right: -5%; bottom: 0;
  height: 130px; margin-bottom: -65px;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(58% 100% at 50% 50%, rgba(42,220,224,.5), transparent 72%),
    linear-gradient(180deg, transparent 45%, rgba(42,220,224,.85) 50%, transparent 55%);
  transition: transform .78s cubic-bezier(.76, 0, .24, 1), opacity .3s var(--ease);
}
.intro.is-out .intro__edge { opacity: 1; transform: translateY(-100vh); }

.intro__skip {
  position: absolute; right: clamp(1rem, .6rem + 1.4vw, 2rem); bottom: clamp(1rem, .6rem + 1.4vw, 2rem);
  padding: .6rem 1.1rem;
  background: transparent; color: var(--mute);
  border: 0; border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; font-weight: 600;
  cursor: pointer;
  opacity: 0;
  animation: in-fade .4s var(--ease-out) .9s forwards;
  transition: color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.intro__skip:hover { color: var(--paper); box-shadow: inset 0 0 0 1px var(--mute-2); }

@keyframes in-fade { to { opacity: 1; } }
@keyframes in-draw { to { stroke-dashoffset: 0; } }
@keyframes in-fill { to { transform: translateY(0); } }
@keyframes in-rise { to { opacity: 1; transform: none; } }
@keyframes in-drift { to { transform: translateX(-80px); } }

/* Versión corta: segunda carga en la misma sesión */
.intro.is-quick { animation: in-quick .45s var(--ease) forwards; }
@keyframes in-quick { to { opacity: 0; visibility: hidden; } }

/* =========================================================
   2. Barra de progreso de lectura
   ========================================================= */

.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  z-index: calc(var(--z-nav) + 1);
  background: var(--aqua);
  transform: scaleX(0); transform-origin: left;
  will-change: transform;
  pointer-events: none;
}

/* =========================================================
   3. Títulos que suben palabra por palabra
   ========================================================= */

/* El relleno negativo deja sitio a tildes, colas y a la cursiva
   para que el recorte no las muerda. */
.w-split {
  display: inline-block; overflow: hidden; vertical-align: bottom;
  padding: .16em .06em .2em; margin: -.16em -.06em -.2em;
}
.w-split > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform .72s var(--ease-out);
  transition-delay: calc(var(--w, 0) * 55ms);
}
.is-in .w-split > span { transform: none; }

/* =========================================================
   4. Tarjetas de servicio con inclinación 3D
   ========================================================= */

@media (hover: hover) and (pointer: fine) {
  .svc__grid { perspective: 1200px; }
  .svc {
    transform-style: preserve-3d;
    transition: transform .5s var(--ease-out);
  }
  .svc.is-tilt { transition: transform .12s linear; }
  .svc__ico, .svc h3 { transform: translateZ(28px); }
  .svc__n { transform: translateZ(38px); }
}

/* =========================================================
   5. Onda de agua al pulsar un botón
   ========================================================= */

.ripple {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.55), rgba(255,255,255,0) 68%);
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  animation: ripple .62s var(--ease-out) forwards;
}
@keyframes ripple {
  to { transform: translate(-50%, -50%) scale(2.6); opacity: 0; }
}

/* =========================================================
   6. Divisor de ola entre secciones
   ========================================================= */

.wave-sep {
  position: relative; height: clamp(38px, 5vw, 68px);
  overflow: hidden; line-height: 0;
}
.wave-sep svg { position: absolute; left: 0; bottom: -1px; width: 220%; height: 100%; }
.wave-sep .wv-1 { fill: var(--paper); opacity: .35; animation: wv 13s linear infinite; }
.wave-sep .wv-2 { fill: var(--paper); opacity: .6;  animation: wv 9s linear infinite reverse; }
.wave-sep .wv-3 { fill: var(--paper); animation: wv 17s linear infinite; }
.wave-sep--up { transform: rotate(180deg); }
@keyframes wv { to { transform: translateX(-50%); } }

/* =========================================================
   7. Cáusticas del hero (destello lento sobre la foto)
   ========================================================= */

.hero__caustics {
  position: absolute; inset: -20%; z-index: -1;
  pointer-events: none;
  opacity: .34;
  mix-blend-mode: soft-light;
  background:
    radial-gradient(38% 24% at 22% 30%, rgba(120,255,255,.5), transparent 62%),
    radial-gradient(30% 20% at 74% 58%, rgba(120,255,255,.42), transparent 64%),
    radial-gradient(26% 18% at 48% 82%, rgba(120,255,255,.35), transparent 62%);
  animation: caustic 17s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes caustic {
  0%   { transform: translate3d(-2%, 0, 0) scale(1); }
  50%  { transform: translate3d(2%, 1.5%, 0) scale(1.06); }
  100% { transform: translate3d(-1%, -1%, 0) scale(1.02); }
}

/* =========================================================
   8. Burbujas del bloque final
   ========================================================= */

.bubbles { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bubbles i {
  position: absolute; bottom: -8%;
  width: var(--s); height: var(--s);
  left: var(--x);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgba(255,255,255,.5), rgba(26,192,196,.12) 58%, transparent 70%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
  opacity: 0;
  animation: bub var(--d) linear var(--t) infinite;
}
@keyframes bub {
  0%   { transform: translate3d(0, 0, 0) scale(.7); opacity: 0; }
  12%  { opacity: .55; }
  78%  { opacity: .4; }
  100% { transform: translate3d(var(--dx, 18px), -108vh, 0) scale(1.15); opacity: 0; }
}

/* =========================================================
   9. Detalles de la barra de navegación
   ========================================================= */

.nav.is-stuck .brand__sub {
  opacity: 0; transform: translateY(-4px);
}
.brand__sub { transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease); }
.nav.is-stuck .brand__mark { transform: scale(.88); }
.brand__mark { transition: transform var(--dur-3) var(--ease-out); }

/* =========================================================
   10. Etiqueta del cursor
   ========================================================= */

@media (hover: hover) and (pointer: fine) and (min-width: 1060px) {
  .cursor__tx {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--ink);
    opacity: 0; transition: opacity var(--dur-1) var(--ease);
    white-space: nowrap;
  }
  .cursor.has-tx { background: var(--aqua); border-color: var(--aqua); }
  .cursor.has-tx .cursor__tx { opacity: 1; }
  .cursor.has-tx ~ .cursor-dot { opacity: 0; }
}

/* =========================================================
   11. Contadores y barra de confianza
   ========================================================= */

.trust__cell { position: relative; overflow: hidden; }
.trust__cell::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 38%, rgba(26,192,196,.16) 50%, transparent 62%);
  transform: translateX(-120%);
  pointer-events: none;
}
.trust__cell.is-in::after { animation: shine 1.5s var(--ease-out) .25s; }
@keyframes shine { to { transform: translateX(120%); } }

/* =========================================================
   Respeto por quien pide menos movimiento
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  .intro { display: none; }
  .hero__caustics, .bubbles, .wave-sep svg { animation: none !important; }
  .w-split > span { transform: none !important; }
  .ripple { display: none; }
}