/* ============================================================
   RIVER POOL S.A. — tokens
   ============================================================ */
:root{
  --navy-0:#081A2E;
  --navy-1:#0B2A4A;
  --navy-2:#123F6B;
  --aqua:#27C3D1;
  --aqua-2:#5FE3E8;
  --aqua-deep:#0E8FA3;
  --sand:#F4EDE2;
  --sand-2:#EAE0CE;
  --ink:#0B1220;
  --paper:#FBFAF7;
  --line:rgba(11,42,74,.12);
  --line-light:rgba(255,255,255,.18);
  --shadow:0 18px 40px -20px rgba(8,26,46,.45);
  --radius:18px;
  --radius-sm:10px;
  --ff-head:'Big Shoulders Display', 'Archivo', sans-serif;
  --ff-body:'Hanken Grotesk', sans-serif;
  --ease:cubic-bezier(.22,.9,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff-head);margin:0;line-height:1.08;letter-spacing:-.01em}
p{margin:0;line-height:1.6}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
section{position:relative}
.container{width:min(1180px,92%);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--navy-1);color:#fff;padding:.6em 1em;z-index:999}
.skip:focus{left:1em;top:1em}

::selection{background:var(--aqua);color:var(--navy-0)}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  padding:.95em 1.6em;border-radius:999px;
  font-weight:600;font-size:.98rem;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  white-space:nowrap;
  position:relative;overflow:hidden;
}
.btn:active{transform:scale(.96)}
.btn svg{width:1.15em;height:1.15em;flex:none;position:relative}
.btn::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.35) 48%,rgba(255,255,255,.35) 52%,transparent 70%);
  transform:translateX(-120%);
  transition:transform .6s var(--ease);
  pointer-events:none;
}
.btn:hover::before{transform:translateX(120%)}
.btn-primary{
  background:linear-gradient(135deg,var(--aqua) 0%,var(--aqua-deep) 100%);
  color:var(--navy-0);
  box-shadow:0 10px 22px -10px rgba(8,26,46,.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(8,26,46,.48)}
.btn-primary:active{transform:scale(.96)}
.btn-ghost{
  background:rgba(255,255,255,.08);
  color:#fff;
  border:1px solid var(--line-light);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{
  background:var(--navy-1);color:#fff;
}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center}

/* ===== reveal on scroll ===== */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
[data-reveal="fade"]{transform:none}
.stagger > *{transition-delay:calc(var(--i,0) * 90ms)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;inset-inline:0;top:0;z-index:100;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(5,14,26,.85) 0%,rgba(5,14,26,.45) 70%,transparent 100%);
  transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header.scrolled{
  background:rgba(8,26,46,.86);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.5);
  padding:9px 0;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.brand-name{font-family:var(--ff-head);color:#fff;font-weight:700;font-size:1.05rem;letter-spacing:.01em;line-height:1.1;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.brand-name small{
  display:inline-block;margin-top:2px;padding:2px 7px;border-radius:5px;
  background:var(--navy-0);
  font-family:var(--ff-body);font-weight:500;font-size:.72rem;letter-spacing:.1em;
  color:var(--aqua-2);text-transform:uppercase;
}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  color:rgba(255,255,255,.82);font-size:.92rem;font-weight:500;
  position:relative;padding:4px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--aqua);transition:right .3s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{right:0}

.header-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.1);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{width:19px;height:2px;background:#fff;border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:72px 16px auto 16px;z-index:99;
  background:rgba(8,26,46,.97);backdrop-filter:blur(16px);
  border-radius:var(--radius);padding:18px 22px 26px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateY(-14px) scale(.98);opacity:0;pointer-events:none;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.6);
}
.mobile-drawer.open{transform:none;opacity:1;pointer-events:auto}
.mobile-drawer a{color:#fff;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.02rem}
.mobile-drawer a:last-of-type{border-bottom:none}
.mobile-drawer .btn{margin-top:14px}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100svh;display:flex;align-items:flex-end;
  padding-top:140px;padding-bottom:86px;
  background:var(--navy-0);
  isolation:isolate;
}
.hero-media{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero-media img{
  width:100%;height:100%;object-fit:cover;object-position:62% 30%;
  filter:saturate(1.08);
  animation:hero-zoom-in 1.8s var(--ease) both;
}
@keyframes hero-zoom-in{from{transform:scale(1.1);opacity:.6}to{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion: reduce){
  .hero-media img{animation:none}
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(6,20,36,.96) 6%,rgba(8,26,46,.82) 34%,rgba(8,26,46,.42) 62%,rgba(8,26,46,.12) 100%),
    linear-gradient(0deg,rgba(6,16,28,.9) 0%,rgba(6,16,28,0) 42%);
}
.hero-grain{position:absolute;inset:0;z-index:-1;opacity:.5;mix-blend-mode:overlay;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:3px 3px;}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--aqua-2);font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--aqua-2)}

.hero h1{
  color:#fff;font-size:clamp(2.3rem,5.4vw,4rem);font-weight:700;max-width:14ch;
}
.hero h1 em{font-style:normal;color:var(--aqua-2)}
.hero-sub{color:rgba(255,255,255,.82);font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:46ch;margin-top:20px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-light);padding-top:26px;gap:18px;max-width:640px;
}
.hero-stats .stat b{display:block;color:#fff;font-family:var(--ff-head);font-size:1.6rem}
.hero-stats .stat span{display:block;color:rgba(255,255,255,.64);font-size:.76rem;margin-top:3px;line-height:1.3}

/* ===== wave divider ===== */
.wave{display:block;width:100%;height:auto;position:relative;z-index:1;line-height:0}
.wave svg{display:block;width:100%;height:60px}
.wave-sand-up svg path{fill:var(--sand)}
.wave-paper-up svg path{fill:var(--paper)}
.wave-navy-up svg path{fill:var(--navy-0)}
.wave-flip svg{transform:rotate(180deg)}

/* ============================================================
   SECTION HEADS
   ============================================================ */
.section{padding:96px 0}
.section-sand{background:var(--sand)}
.section-navy{background:var(--navy-0);color:#fff}
.head{max-width:640px;margin-bottom:56px}
.head .eyebrow{color:var(--navy-1)}
.section-navy .head .eyebrow{color:var(--aqua-2)}
.head h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.head p{margin-top:16px;color:#4b5a69;font-size:1.05rem}
.section-navy .head p{color:rgba(255,255,255,.72)}
.head.center{margin-inline:auto;text-align:center}
.head.center .eyebrow::before{display:none}

/* ============================================================
   SERVICIOS
   ============================================================ */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:#fff;border-radius:var(--radius);padding:30px 26px;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.svc-card:hover{transform:translateY(-6px)}
.svc-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.svc-icon{flex:none;display:flex}
.svc-icon svg{width:24px;height:24px;stroke:var(--aqua-deep)}
.svc-card h3{font-size:1.18rem}
.svc-card p{color:#55626f;font-size:.95rem}
.svc-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.svc-card ul li{
  font-size:.86rem;color:#3a4652;display:flex;gap:8px;align-items:flex-start;
}
.svc-card ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--aqua-deep);margin-top:7px;flex:none}
.svc-card.wide{grid-column:span 1}
.svc-card.highlight{background:linear-gradient(160deg,var(--navy-1),var(--navy-2));color:#fff;border:none}
.svc-card.highlight h3{color:#fff}
.svc-card.highlight p{color:rgba(255,255,255,.78)}
.svc-card.highlight .svc-icon svg{stroke:var(--aqua-2)}
.svc-card.highlight ul li{color:rgba(255,255,255,.86)}
.svc-card.highlight ul li::before{background:var(--aqua-2)}

/* ============================================================
   GALERÍA
   ============================================================ */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.g-item{
  position:relative;border-radius:14px;overflow:hidden;aspect-ratio:9/16;
  background:var(--navy-1);
  box-shadow:0 12px 28px -16px rgba(8,26,46,.4);
}
.g-item img{width:100%;height:100%;object-fit:contain;transition:transform .6s var(--ease)}
.g-item:hover img{transform:scale(1.04)}
.g-caption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 16px 14px;
  background:linear-gradient(0deg,rgba(6,16,28,.92) 10%,rgba(6,16,28,0) 100%);
  color:#fff;
}
.g-caption b{display:block;font-family:var(--ff-head);font-size:.98rem}
.g-caption span{display:block;font-size:.76rem;color:var(--aqua-2);margin-top:2px;letter-spacing:.03em}
.gallery-note{margin-top:26px;color:#5b6773;font-size:.88rem;display:flex;align-items:center;gap:8px}
.gallery-note svg{width:16px;height:16px;flex:none;stroke:var(--aqua-deep)}

/* ============================================================
   PROCESO
   ============================================================ */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding-top:52px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--ff-head);font-size:1.5rem;font-weight:700;color:var(--aqua-2);
  position:absolute;top:0;left:0;
}
.step::after{
  content:"";position:absolute;top:14px;left:46px;right:-18px;height:1px;
  background:var(--line-light);
}
.process .step:last-child::after{display:none}
.step h3{color:#fff;font-size:1.02rem;margin-bottom:8px}
.step p{color:rgba(255,255,255,.66);font-size:.86rem}

/* ============================================================
   ZONA DE COBERTURA
   ============================================================ */
.zone-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.zone-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:.6em 1.05em;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:.86rem;font-weight:600;color:var(--navy-1);
  box-shadow:0 6px 16px -10px rgba(8,26,46,.25);
}
.chip svg{width:13px;height:13px;stroke:var(--aqua-deep);flex:none}
.zone-card{
  background:linear-gradient(165deg,var(--navy-1),var(--navy-0));
  border-radius:var(--radius);padding:34px;color:#fff;
  border-top:1px solid rgba(95,227,232,.3);
}
.zone-card h3{font-size:1.3rem;margin-bottom:12px}
.zone-card p{color:rgba(255,255,255,.72);font-size:.92rem;margin-bottom:22px}
.zone-list{display:flex;flex-direction:column;gap:12px}
.zone-list li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:rgba(255,255,255,.88)}
.zone-list svg{width:16px;height:16px;stroke:var(--aqua-2);flex:none}

/* ============================================================
   POR QUÉ ELEGIRNOS
   ============================================================ */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{text-align:center;padding:30px 18px}
.why-card .num{
  font-family:var(--ff-head);font-size:2.2rem;font-weight:700;color:var(--navy-1);
  display:block;
}
.why-card .num span{color:var(--aqua-deep)}
.why-card h3{font-size:.98rem;margin-top:10px}
.why-card p{font-size:.84rem;color:#5b6773;margin-top:6px}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final{
  background:linear-gradient(135deg,var(--navy-0),var(--navy-2));
  border-radius:28px;padding:64px 50px;text-align:center;
  border:1px solid rgba(95,227,232,.22);
  margin-inline:auto;width:min(1100px,92%);
}
.cta-final h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.4rem);max-width:18ch;margin-inline:auto}
.cta-final p{color:rgba(255,255,255,.76);margin-top:14px}
.cta-final .hero-ctas{justify-content:center;margin-top:28px}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--navy-0);color:rgba(255,255,255,.7);padding:70px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid var(--line-light)}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:.88rem;max-width:34ch;color:rgba(255,255,255,.6)}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:background .25s;
}
.foot-social a:hover{background:var(--aqua-deep)}
.foot-social svg{width:17px;height:17px;stroke:#fff}
.foot-col h3{color:#fff;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:.9rem;color:rgba(255,255,255,.68)}
.foot-col a:hover{color:var(--aqua-2)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:.8rem;flex-wrap:wrap;gap:10px}
.foot-bottom a{color:var(--aqua-2);font-weight:600}

/* ===== whatsapp float ===== */
.wa-widget{position:fixed;right:20px;bottom:20px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.wa-float{
  position:relative;
  width:58px;height:58px;border-radius:50%;flex:none;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -10px rgba(0,0,0,.5);
  transition:transform .25s var(--ease);
}
.wa-float:hover{transform:scale(1.08)}
.wa-float:active{transform:scale(.94)}
.wa-float svg{width:28px;height:28px;fill:#fff;position:relative;z-index:1}
.wa-ring{
  position:absolute;inset:0;border-radius:50%;
  border:2px solid #25D366;
  animation:wa-ring-pulse 2.4s ease-out infinite;
}
@keyframes wa-ring-pulse{
  0%{transform:scale(1);opacity:.65}
  100%{transform:scale(1.7);opacity:0}
}
.wa-bubble{
  max-width:240px;background:#fff;color:var(--ink);border-radius:14px;
  padding:14px 30px 14px 16px;box-shadow:0 16px 36px -14px rgba(8,26,46,.4);
  display:flex;flex-direction:column;gap:2px;position:relative;
  transform:translateY(8px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .35s var(--ease),opacity .35s var(--ease);
}
.wa-bubble.show{transform:none;opacity:1;pointer-events:auto}
.wa-bubble strong{font-family:var(--ff-head);font-size:.86rem;color:var(--navy-1)}
.wa-bubble span{font-size:.84rem;color:#4b5a69;line-height:1.4}
.wa-bubble::after{
  content:"";position:absolute;right:22px;bottom:-7px;
  width:14px;height:14px;background:#fff;transform:rotate(45deg);
  box-shadow:4px 4px 8px -4px rgba(8,26,46,.2);
}
.wa-bubble-close{
  position:absolute;top:8px;right:8px;width:20px;height:20px;border-radius:50%;
  background:var(--sand);color:#5b6773;font-size:1rem;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.wa-bubble-close:hover{background:var(--sand-2);color:var(--navy-1)}
@media (prefers-reduced-motion: reduce){
  .wa-ring{animation:none;display:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .nav-links{display:none}
  .burger{display:flex}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .process .step::after{display:none}
  .zone-wrap{grid-template-columns:1fr;gap:34px}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;row-gap:30px}
  .foot-brand{grid-column:span 2}
}
@media (max-width:640px){
  .hero{padding-top:118px;align-items:center;min-height:88svh}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .cta-final{padding:46px 24px}
  .foot-grid{grid-template-columns:1fr}
  .foot-brand{grid-column:span 1}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .header-cta .btn span{display:none}
}