/* ===== AquaClear · Landing piscinas ===== */
:root{
  --ink:#0b2531;
  --ink-soft:#3f5c68;
  --aqua-900:#062a3a;
  --aqua-700:#0a4d68;
  --aqua-500:#0e97b8;
  --aqua-400:#22c0d8;
  --aqua-300:#5fd6e6;
  --aqua-100:#d6f4fa;
  --sun:#ffd166;
  --wa:#25d366;
  --paper:#f5fbfd;
  --white:#ffffff;
  --line:#e2eef2;
  --shadow:0 18px 50px -20px rgba(6,42,58,.35);
  --shadow-sm:0 8px 24px -12px rgba(6,42,58,.28);
  --r:20px;
  --maxw:1180px;
  --ease:cubic-bezier(.16,.84,.44,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brand__text{font-family:'Sora',system-ui,sans-serif;line-height:1.12;letter-spacing:-.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:clamp(64px,9vw,120px) 0}
.eyebrow{
  display:inline-block;font-family:'Sora';font-weight:600;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--aqua-500);
  margin-bottom:14px;
}
.grad{
  background:linear-gradient(100deg,var(--aqua-400),var(--aqua-300));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-family:'Sora';font-weight:600;font-size:.98rem;
  padding:14px 24px;border-radius:100px;border:0;cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;
  white-space:nowrap;
}
.btn--lg{padding:17px 32px;font-size:1.05rem}
.btn--wa{background:var(--wa);color:#053225;box-shadow:0 12px 28px -10px rgba(37,211,102,.7)}
.btn--wa:hover{transform:translateY(-3px);box-shadow:0 18px 36px -12px rgba(37,211,102,.85)}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px)}
.ico-wa{width:20px;height:20px;fill:currentColor;flex:none}

/* ===== Nav ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s,box-shadow .35s,padding .35s;
  padding:14px 0;
}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 1px 0 var(--line),0 8px 30px -20px rgba(6,42,58,.4);padding:9px 0}
.nav__inner{display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand__logo{width:34px;height:34px;flex:none;filter:drop-shadow(0 4px 8px rgba(14,151,184,.45));transition:transform .4s var(--ease)}
.brand:hover .brand__logo{transform:rotate(-6deg) scale(1.06)}
.brand__text{font-size:1.3rem;color:#fff;transition:color .35s}
.brand__text b{color:var(--aqua-300);font-weight:800}
.nav.scrolled .brand__text{color:var(--aqua-900)}
.nav.scrolled .brand__text b{color:var(--aqua-500)}
.nav__links{display:flex;gap:26px;margin-left:auto;font-weight:500;font-size:.95rem}
.nav__links a{color:rgba(255,255,255,.9);position:relative;transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--aqua-400);transition:width .3s var(--ease)}
.nav__links a:hover::after{width:100%}
.nav.scrolled .nav__links a{color:var(--ink-soft)}
.nav.scrolled .nav__links a:hover{color:var(--aqua-700)}
.nav__cta{margin-left:6px}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.nav.scrolled .nav__burger span{background:var(--aqua-900)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:130px 0 80px;overflow:hidden;
  background:radial-gradient(120% 100% at 15% 0%,#0e97b8 0%,#0a4d68 45%,#062a3a 100%);
  color:#fff;
}
.hero__water{position:absolute;inset:0;z-index:0;opacity:.9}
.caustic{
  position:absolute;inset:-30%;
  background:
    radial-gradient(closest-side,rgba(95,214,230,.35),transparent 60%) 20% 30%/40% 40% no-repeat,
    radial-gradient(closest-side,rgba(34,192,216,.3),transparent 60%) 75% 20%/45% 45% no-repeat,
    radial-gradient(closest-side,rgba(214,244,250,.22),transparent 60%) 60% 75%/50% 50% no-repeat;
  filter:blur(20px);
  animation:drift 16s ease-in-out infinite alternate;
}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(4%,3%,0) scale(1.08)}}
.hero__waves{position:absolute;bottom:-2px;left:0;width:100%;height:190px}
.hero__inner{position:relative;z-index:2;max-width:820px}
.badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(8px);padding:8px 16px;border-radius:100px;
  font-size:.85rem;font-weight:500;margin-bottom:26px;
}
.pulse{width:9px;height:9px;border-radius:50%;background:#7dfab0;box-shadow:0 0 0 0 rgba(125,250,176,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(125,250,176,.6)}70%{box-shadow:0 0 0 10px rgba(125,250,176,0)}100%{box-shadow:0 0 0 0 rgba(125,250,176,0)}}
.hero__title{font-size:clamp(2.4rem,6vw,4.3rem);font-weight:800;margin-bottom:22px}
.hero__sub{font-size:clamp(1.05rem,2vw,1.28rem);color:rgba(255,255,255,.88);max-width:640px;margin-bottom:34px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero__trust{display:flex;flex-wrap:wrap;gap:34px;list-style:none;font-size:.95rem;color:rgba(255,255,255,.82)}
.hero__trust b{display:block;font-family:'Sora';font-size:1.6rem;font-weight:700;color:#fff}

/* ===== Marquee ===== */
.marquee{background:var(--aqua-900);color:var(--aqua-300);padding:16px 0;overflow:hidden;white-space:nowrap}
.marquee__track{display:inline-flex;gap:26px;align-items:center;font-family:'Sora';font-weight:600;font-size:1.05rem;letter-spacing:.02em;animation:scroll 26s linear infinite}
.marquee__track i{color:rgba(255,255,255,.3);font-style:normal}
.marquee__track span{color:rgba(255,255,255,.85)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== Intro ===== */
.intro__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.intro h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:20px}
.intro p{color:var(--ink-soft);margin-bottom:16px;font-size:1.05rem}
.link-arrow{color:var(--aqua-600,#0a7a92);font-family:'Sora';font-weight:600;color:var(--aqua-500);display:inline-block;margin-top:8px;transition:gap .3s}
.link-arrow:hover{color:var(--aqua-700)}
.intro__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 20px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease);
}
.stat-card:hover{transform:translateY(-6px)}
.stat-card__ico{font-size:1.8rem;display:block;margin-bottom:10px}
.stat-card b{font-family:'Sora';font-size:1.35rem;display:block;color:var(--aqua-700)}
.stat-card small{color:var(--ink-soft);font-size:.9rem}

/* ===== Section head ===== */
.section__head{max-width:640px;margin:0 auto clamp(40px,6vw,60px);text-align:center}
.section__head h2{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:14px}
.section__head p{color:var(--ink-soft);font-size:1.08rem}
.section__head--light h2,.section__head--light p{color:#fff}
.section__head--light p{color:rgba(255,255,255,.85)}

/* ===== Services ===== */
.services{background:linear-gradient(180deg,#fff 0%,var(--aqua-100) 130%)}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
  overflow:hidden;
}
.scard::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--aqua-400),var(--aqua-300));transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.scard:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.scard:hover::before{transform:scaleX(1)}
.scard--feat{background:linear-gradient(165deg,var(--aqua-700),var(--aqua-900));color:#fff;border-color:transparent;box-shadow:var(--shadow)}
.scard--feat p,.scard--feat ul li{color:rgba(255,255,255,.82)}
.scard--feat ul li::marker{color:var(--aqua-300)}
.scard__tag{position:absolute;top:18px;right:18px;background:var(--sun);color:#5a4200;font-family:'Sora';font-weight:700;font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;padding:5px 11px;border-radius:100px}
.scard__ico{font-size:2.2rem;margin-bottom:16px}
.scard h3{font-size:1.28rem;margin-bottom:10px}
.scard p{color:var(--ink-soft);font-size:.98rem;margin-bottom:16px}
.scard ul{list-style:none;margin-bottom:22px;display:grid;gap:8px}
.scard ul li{position:relative;padding-left:26px;font-size:.92rem;color:var(--ink-soft)}
.scard ul li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--aqua-100);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230e97b8'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");background-size:12px;background-repeat:no-repeat;background-position:center}
.scard--feat ul li::before{background-color:rgba(255,255,255,.15)}
.scard__cta{font-family:'Sora';font-weight:600;color:var(--aqua-500);font-size:.98rem;transition:letter-spacing .3s}
.scard--feat .scard__cta{color:var(--aqua-300)}
.scard__cta:hover{letter-spacing:.03em}

/* ===== Process ===== */
.process{background:radial-gradient(120% 120% at 80% 0%,#0e97b8,#062a3a 70%);color:#fff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding:28px 22px;border-radius:var(--r);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);transition:transform .35s var(--ease),background .35s}
.step:hover{transform:translateY(-6px);background:rgba(255,255,255,.11)}
.step__n{font-family:'Sora';font-weight:800;font-size:2.4rem;color:var(--aqua-300);opacity:.5;display:block;margin-bottom:12px}
.step h3{font-size:1.18rem;margin-bottom:8px}
.step p{color:rgba(255,255,255,.8);font-size:.95rem}

/* ===== Testimonials ===== */
.grid-cards--3{grid-template-columns:repeat(3,1fr)}
.tcard{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease)}
.tcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.stars{color:var(--sun);letter-spacing:2px;margin-bottom:14px;font-size:1.05rem}
.tcard blockquote{font-size:1rem;color:var(--ink);margin-bottom:20px;line-height:1.6}
.tcard figcaption{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--aqua-500),var(--aqua-700));color:#fff;display:grid;place-items:center;font-family:'Sora';font-weight:700;font-size:.9rem;flex:none}
.tcard figcaption b{display:block;font-family:'Sora';font-size:.98rem}
.tcard figcaption small{color:var(--ink-soft);font-size:.85rem}

/* ===== Tips ===== */
.tips{background:linear-gradient(180deg,var(--aqua-100),#fff)}
.tips__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tip{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease)}
.tip:hover{transform:translateY(-5px)}
.tip__n{font-family:'Sora';font-weight:800;color:var(--aqua-300);font-size:1.4rem}
.tip h3{font-size:1.05rem;margin:8px 0 8px}
.tip p{color:var(--ink-soft);font-size:.9rem}

/* ===== Coverage ===== */
.coverage__chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:820px;margin:0 auto}
.coverage__chips span{
  background:var(--white);border:1px solid var(--line);border-radius:100px;
  padding:11px 22px;font-family:'Sora';font-weight:500;font-size:.95rem;color:var(--aqua-700);
  box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),background .3s,color .3s;
}
.coverage__chips span:hover{transform:translateY(-3px);background:var(--aqua-700);color:#fff}

/* ===== FAQ ===== */
.faq{background:var(--paper)}
.faq__inner{max-width:800px}
.accordion{display:grid;gap:14px}
.ac{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:4px 24px;box-shadow:var(--shadow-sm);transition:box-shadow .3s}
.ac[open]{box-shadow:var(--shadow)}
.ac summary{list-style:none;cursor:pointer;font-family:'Sora';font-weight:600;font-size:1.08rem;padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px}
.ac summary::-webkit-details-marker{display:none}
.ac__ico{position:relative;width:20px;height:20px;flex:none}
.ac__ico::before,.ac__ico::after{content:"";position:absolute;background:var(--aqua-500);border-radius:2px;transition:transform .3s var(--ease)}
.ac__ico::before{top:9px;left:0;width:20px;height:2.5px}
.ac__ico::after{top:0;left:9px;width:2.5px;height:20px}
.ac[open] .ac__ico::after{transform:scaleY(0)}
.ac p{color:var(--ink-soft);padding:0 0 22px;font-size:1rem}

/* ===== CTA final ===== */
.cta-final{position:relative;padding:clamp(70px,10vw,120px) 0;overflow:hidden;background:linear-gradient(120deg,var(--aqua-700),var(--aqua-900));color:#fff;text-align:center}
.cta-final__water{position:absolute;inset:0;background:radial-gradient(closest-side,rgba(95,214,230,.25),transparent 60%) 20% 120%/60% 120% no-repeat,radial-gradient(closest-side,rgba(34,192,216,.2),transparent 60%) 85% -20%/50% 90% no-repeat;animation:drift 14s ease-in-out infinite alternate}
.cta-final__inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.cta-final h2{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:14px}
.cta-final p{color:rgba(255,255,255,.85);font-size:1.15rem;margin-bottom:30px}

/* ===== Footer ===== */
.footer{background:var(--aqua-900);color:rgba(255,255,255,.75);padding:64px 0 30px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:44px}
.brand--foot .brand__text{color:#fff}
.footer__grid p{margin-top:14px;font-size:.95rem;max-width:320px}
.footer h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer__grid a{display:block;padding:6px 0;font-size:.95rem;transition:color .3s}
.footer__grid a:hover{color:var(--aqua-300)}
.footer__bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:.85rem}

/* ===== WhatsApp float ===== */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.7);animation:floaty 3s ease-in-out infinite;transition:transform .3s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#053225}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:ring 2.4s ease-out infinite}
@keyframes ring{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.6);opacity:0}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:960px){
  .nav__links{display:none}
  .nav__burger{display:flex;margin-left:auto}
  .nav__cta{display:none}
  .nav__links.open{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:rgba(255,255,255,.97);backdrop-filter:blur(16px);padding:20px 22px;gap:6px;
    box-shadow:var(--shadow);
  }
  .nav__links.open a{color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line)}
  .intro__grid{grid-template-columns:1fr;gap:34px}
  .grid-cards,.grid-cards--3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .tips__grid{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid-cards,.grid-cards--3,.steps,.tips__grid,.intro__stats{grid-template-columns:1fr}
  .hero__trust{gap:22px}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column}
  .btn{width:100%}
  .hero__cta{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}