/* =========================================================
   Aquacity Chivilcoy — landing
   Paleta: azul profundo + agua. Mobile first.
   ========================================================= */

:root{
  --navy-900:#06182B;
  --navy-800:#0B2540;
  --navy-700:#123256;
  --blue-500:#1E88E5;
  --aqua-400:#22C1DC;
  --aqua-300:#5BD8E8;
  --wa:#25D366;
  --wa-dark:#1DA851;

  --ink:#0E1B2A;
  --ink-soft:#42566C;
  --line:#E2E9F0;
  --soft:#F3F8FC;
  --white:#fff;

  --radius:16px;
  --radius-lg:24px;
  --shadow-sm:0 2px 10px rgba(11,37,64,.06);
  --shadow:0 14px 40px rgba(11,37,64,.10);
  --shadow-lg:0 28px 70px rgba(11,37,64,.18);

  --wrap:1160px;
  --nav-h:70px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap--narrow{max-width:800px}

/* ---------- botones ---------- */
.btn{
  --btn-bg:var(--blue-500); --btn-fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--btn-bg);color:var(--btn-fg);
  font-weight:700;font-size:.95rem;
  padding:12px 22px;border-radius:999px;border:0;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow:0 6px 18px rgba(30,136,229,.28);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(30,136,229,.34)}
.btn:active{transform:translateY(0)}
.btn--sm{padding:9px 16px;font-size:.86rem}
.btn--lg{padding:16px 30px;font-size:1.03rem}
.btn--block{display:flex;width:100%}
.btn--wa{--btn-bg:var(--wa);box-shadow:0 6px 18px rgba(37,211,102,.32)}
.btn--wa:hover{--btn-bg:var(--wa-dark);box-shadow:0 12px 26px rgba(37,211,102,.38)}
.btn--white{--btn-bg:#fff;--btn-fg:var(--navy-800);box-shadow:0 10px 30px rgba(0,0,0,.20)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--navy-800);box-shadow:none;border:1.5px solid var(--line)}
.btn--ghost:hover{background:var(--soft);box-shadow:none}
.btn--ghost-light{--btn-bg:rgba(255,255,255,.10);--btn-fg:#fff;box-shadow:none;border:1.5px solid rgba(255,255,255,.35)}
.btn--ghost-light:hover{background:rgba(255,255,255,.18);box-shadow:none}
.ico-wa{width:18px;height:18px;flex:none}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav.is-stuck{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(11,37,64,.05)}
.nav__inner{height:100%;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:9px;margin-right:auto}
.brand__drop{width:34px;height:34px;color:var(--aqua-400);flex:none}
.brand__drop svg{width:100%;height:100%}

/* El logo real reemplaza a la gota dibujada recién cuando el archivo carga.
   Si assets/logo.png no está, no se ve ningún ícono roto: queda la gota. */
.brand__logo{display:none;width:100%;height:100%;object-fit:contain}
.has-logo .brand__logo{display:block}
.has-logo .brand__fallback{display:none}
.brand__row{display:flex;align-items:center;gap:11px}
.brand__logo--foot{width:38px;height:38px;flex:none}
.brand__text{font-weight:800;font-size:1.18rem;letter-spacing:-.03em;color:var(--navy-800);line-height:1}
.brand__text strong{color:var(--blue-500)}
.brand__text em{
  display:block;font-style:normal;font-weight:600;
  font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-soft);margin-top:3px;
}
.nav__links{display:none;gap:26px;font-weight:600;font-size:.93rem;color:var(--ink-soft)}
.nav__links a{transition:color .16s ease}
.nav__links a:hover{color:var(--blue-500)}

/* =========================================================
   HERO — agua profunda, tono de concientización
   ========================================================= */
.hero{
  position:relative;isolation:isolate;
  padding:56px 0 96px;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 620px at 78% -12%, rgba(34,193,220,.22), transparent 60%),
    radial-gradient(760px 520px at -8% 12%, rgba(30,136,229,.24), transparent 62%),
    linear-gradient(168deg,#04141F 0%,#072B44 46%,#0B2540 100%);
}

/* rayos de luz filtrándose, como en el fondo de una pileta */
.hero__water{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.rays{
  position:absolute;inset:-30% -20%;
  background:
    repeating-linear-gradient(102deg,
      rgba(255,255,255,.055) 0 2px,
      rgba(255,255,255,0) 2px 78px);
  filter:blur(1px);
  animation:rays 14s ease-in-out infinite alternate;
  transform-origin:60% 0;
}
@keyframes rays{
  from{transform:translateX(-3%) skewX(0deg);opacity:.75}
  to  {transform:translateX(3%)  skewX(2.2deg);opacity:1}
}

/* burbujas subiendo por todo el hero */
.bubbles{position:absolute;inset:0}
.bubbles li{
  position:absolute;bottom:-40px;display:block;border-radius:50%;
  background:radial-gradient(circle at 32% 28%, rgba(255,255,255,.55), rgba(160,225,240,.14) 62%, transparent 70%);
  border:1px solid rgba(255,255,255,.14);
  animation:subir linear infinite;
}
@keyframes subir{
  0%  {transform:translateY(0) translateX(0) scale(.7);opacity:0}
  12% {opacity:.85}
  70% {opacity:.6}
  100%{transform:translateY(-108vh) translateX(26px) scale(1.15);opacity:0}
}
.bubbles li:nth-child(1) {left:6%; width:14px;height:14px;animation-duration:17s;animation-delay:0s}
.bubbles li:nth-child(2) {left:14%;width:7px; height:7px; animation-duration:12s;animation-delay:2.5s}
.bubbles li:nth-child(3) {left:22%;width:19px;height:19px;animation-duration:22s;animation-delay:5s}
.bubbles li:nth-child(4) {left:31%;width:9px; height:9px; animation-duration:14s;animation-delay:1.2s}
.bubbles li:nth-child(5) {left:39%;width:12px;height:12px;animation-duration:19s;animation-delay:7s}
.bubbles li:nth-child(6) {left:48%;width:6px; height:6px; animation-duration:11s;animation-delay:3.4s}
.bubbles li:nth-child(7) {left:57%;width:16px;height:16px;animation-duration:21s;animation-delay:6.2s}
.bubbles li:nth-child(8) {left:66%;width:8px; height:8px; animation-duration:13s;animation-delay:.8s}
.bubbles li:nth-child(9) {left:74%;width:22px;height:22px;animation-duration:25s;animation-delay:4s}
.bubbles li:nth-child(10){left:82%;width:10px;height:10px;animation-duration:16s;animation-delay:8.5s}
.bubbles li:nth-child(11){left:90%;width:13px;height:13px;animation-duration:18s;animation-delay:2s}
.bubbles li:nth-child(12){left:96%;width:7px; height:7px; animation-duration:12.5s;animation-delay:9.5s}

.hero__inner{display:grid;gap:44px;position:relative;z-index:1}
.hero__copy{max-width:620px}
.hero .lead{color:rgba(255,255,255,.78)}
.lead--tight{margin-top:18px;font-size:1rem}

/* "No se ve · No se huele · No se va hirviendo" */
.facts{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.facts li{
  display:flex;align-items:center;gap:8px;
  font-size:.86rem;font-weight:700;color:#fff;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;padding:8px 15px 8px 12px;
  backdrop-filter:blur(4px);
}
.facts li::before{
  content:"";width:15px;height:15px;flex:none;border-radius:50%;
  background:rgba(255,138,101,.22)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FFAB8C' stroke-width='3.6' stroke-linecap='round'%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3C/svg%3E") center/9px no-repeat;
}

/* ---------- el nuevo vaso interactivo con física de fluidos ---------- */
.hero__visual{display:flex;justify-content:center;position:relative;z-index:2}
#sea-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:auto}
.hero-rays{
  position:absolute;inset:-30% -20%;
  background:repeating-linear-gradient(102deg,rgba(255,255,255,.055) 0 2px,rgba(255,255,255,0) 2px 78px);
  filter:blur(1px);
  animation:raysFloat 14s ease-in-out infinite alternate;
  transform-origin:60% 0;pointer-events:none;z-index:1;
}
@keyframes raysFloat{
  from{transform:translateX(-3%) skewX(0deg);opacity:.7}
  to  {transform:translateX(3%)  skewX(2.2deg);opacity:1}
}

.fluid-stage{
  position:relative;width:min(330px,90vw);height:430px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.18);
  border-radius:28px;
  box-shadow:0 24px 60px rgba(0,0,0,.35),inset 0 1px 1px rgba(255,255,255,.25);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  padding:18px 16px 14px;
  cursor:pointer;user-select:none;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.fluid-stage:hover{
  border-color:rgba(91,216,232,.45);
  box-shadow:0 30px 70px rgba(0,0,0,.45),0 0 30px rgba(34,193,220,.18);
  transform:translateY(-2px);
}
.fluid-stage-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(11,37,64,.8);
  border:1px solid rgba(91,216,232,.3);
  font-size:.74rem;font-weight:700;color:#5BD8E8;
  letter-spacing:.04em;text-transform:uppercase;
  backdrop-filter:blur(6px);align-self:flex-start;
  transition:border-color .3s ease;
}
.fluid-stage-badge__dot{
  width:7px;height:7px;border-radius:50%;
  background:#22C1DC;box-shadow:0 0 10px #22C1DC;
  animation:pulseDot 2s infinite ease-in-out;
}
@keyframes pulseDot{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.3;transform:scale(.8)}
}
#glass-drop-canvas{width:240px;height:280px;display:block;margin:0 auto}

.stage-callout{
  position:relative;
  display:flex;align-items:center;gap:12px;width:100%;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-radius:14px;padding:10px 14px;
  box-shadow:0 12px 30px rgba(0,0,0,.25);
}
.stage-callout strong{display:block;font-size:.88rem;color:#fff;line-height:1.25}
.stage-callout span{font-size:.76rem;color:rgba(255,255,255,.7);line-height:1.25}
.callout__pulse{
  width:11px;height:11px;border-radius:50%;flex:none;background:#22C1DC;
  box-shadow:0 0 0 0 rgba(34,193,220,.6);
  animation:latir 2.4s ease-out infinite;
}
@keyframes latir{
  0%  {box-shadow:0 0 0 0 rgba(34,193,220,.55)}
  70% {box-shadow:0 0 0 14px rgba(34,193,220,0)}
  100%{box-shadow:0 0 0 0 rgba(34,193,220,0)}
}
.btn-reset-glass{
  margin-left:auto;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;border-radius:50%;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:.85rem;line-height:1;
  transition:background .2s, transform .25s ease;
  flex-shrink:0;
}
.btn-reset-glass:hover{background:rgba(91,216,232,.35);transform:rotate(-180deg)}

/* ---------- olas divisorias entre secciones ---------- */
.wave-sep{
  position:absolute;left:0;right:0;bottom:-1px;
  width:100%;height:60px;display:block;pointer-events:none;
}
.wave-sep--flip{transform:scaleY(-1);top:-1px;bottom:auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue-500);margin-bottom:18px;
}
.eyebrow--light{color:var(--aqua-300)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}

.hero h1{font-size:clamp(2.1rem,7vw,3.6rem);letter-spacing:-.035em}
/* sobre el fondo oscuro el degradé arranca claro, si no el primer renglón se apaga */
.hero h1 .hl{
  background:linear-gradient(100deg,var(--aqua-300) 0%,#8FE9F5 55%,var(--aqua-400) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{margin-top:20px;font-size:clamp(1.02rem,2.4vw,1.16rem);color:var(--ink-soft);max-width:56ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__ticks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:.9rem;font-weight:600;color:var(--ink-soft)}
.hero__ticks li{display:flex;align-items:center;gap:8px}
.hero__ticks li::before{
  content:"";width:17px;height:17px;flex:none;border-radius:50%;
  background:var(--aqua-400) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* ---------- banda "así queda instalado" ---------- */
.install{display:grid;gap:34px;align-items:center}
.install__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);background:var(--soft);
}
/* la foto del bajo mesada es cuadrada: el hueco también, así no se recorta */
.install__media img{width:100%;aspect-ratio:1/1;object-fit:cover}
.install__badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-radius:14px;padding:11px 17px;box-shadow:var(--shadow-sm);
}
.install__badge strong{display:block;font-size:1.2rem;color:var(--navy-800);line-height:1.1}
.install__badge span{font-size:.77rem;color:var(--ink-soft);font-weight:600}

/* ---------- franja ---------- */
.strip{background:var(--navy-800);color:#fff;padding:26px 0}
.strip__inner{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 16px;text-align:center}
/* tabular-nums evita que el número tiemble de ancho mientras cuenta */
.strip__item strong{
  display:block;font-size:1.55rem;color:var(--aqua-300);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.strip__item span{font-size:.82rem;color:rgba(255,255,255,.66);font-weight:600}

/* ---------- secciones ---------- */
.section{padding:66px 0}
.section--soft{background:var(--soft)}
.section--dark{
  background:linear-gradient(165deg,var(--navy-900),var(--navy-700));
  color:#fff;position:relative;overflow:hidden;
}
.section--wave{padding-bottom:120px}
.section--dark .hero__ticks{color:rgba(255,255,255,.75)}
.section__head{max-width:760px;margin-bottom:38px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__head h2{font-size:clamp(1.6rem,4.4vw,2.4rem)}
.section__sub{margin-top:16px;color:var(--ink-soft);font-size:1.03rem}
.section--dark .section__sub{color:rgba(255,255,255,.72)}

.grid{display:grid;gap:20px}

/* ---------- tiles ---------- */
.tile{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:26px;
}
.tile__num{
  width:46px;height:46px;border-radius:12px;margin-bottom:16px;
  display:grid;place-items:center;
  background:rgba(34,193,220,.16);color:var(--aqua-300);
  font-weight:800;font-size:1.05rem;
}
.tile--alert .tile__num{background:rgba(255,138,101,.18);color:#FFAB8C}
.tile h3{font-size:1.2rem;margin-bottom:9px}
.tile p{color:rgba(255,255,255,.72);font-size:.96rem}
.tile--step .tile__num{font-size:.95rem;letter-spacing:.04em}

.note{
  margin-top:28px;padding:18px 22px;border-radius:14px;
  background:rgba(255,255,255,.06);border-left:3px solid var(--aqua-400);
  font-size:.9rem;color:rgba(255,255,255,.75);
}

/* ---------- steps ---------- */
.steps{display:grid;gap:18px;counter-reset:s}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);
}
.steps__n{
  display:grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-500),var(--aqua-400));
  color:#fff;font-weight:800;margin-bottom:14px;
}
.steps h3{font-size:1.08rem;margin-bottom:6px}
.steps p{color:var(--ink-soft);font-size:.94rem}

/* ---------- cards de producto ---------- */
/* 3 productos: 1 → 2 → 3 columnas */
.cards{grid-template-columns:1fr}
.cards .card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease;
}
.cards .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
/* Las tres fotos son verticales, así que el hueco también lo es. */
.card__img{background:linear-gradient(150deg,#E8F5FB,#D7ECF7);aspect-ratio:4/5;overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover}

/* Foto de producto recortada sobre fondo liso (el OsmoFlex): se muestra
   ENTERA (contain) para no cortarle el equipo, y el fondo de la tarjeta se
   pinta del mismo azul pálido de la foto para que no se vea el empalme.
   El valor sale de muestrear los bordes de assets/osmoflex.jpg. */
.card__img--producto{
  --producto-bg:#E6F4FC;
  background:var(--producto-bg);
}
.card__img--producto img{object-fit:contain}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{font-size:1.3rem}
.card__body>p{color:var(--ink-soft);font-size:.95rem}
.tag{
  align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  background:var(--soft);color:var(--ink-soft);padding:5px 11px;border-radius:999px;
}
.tag--star{background:rgba(34,193,220,.16);color:#0B7E93}
.card__list{display:grid;gap:8px;font-size:.9rem;color:var(--ink-soft)}
.card__list li{display:flex;gap:9px;align-items:flex-start}
.card__list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua-400);margin-top:8px;flex:none}
.card__price{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  font-size:.88rem;color:var(--ink-soft);
}
.card__price strong{display:block;font-size:1.3rem;color:var(--navy-800);letter-spacing:-.02em}
/* el nombre propio del equipo, en la segunda línea del título */
.card__body h3 em,.extra__body h3 em{
  display:block;font-style:normal;color:var(--blue-500);
  font-size:.95em;letter-spacing:-.01em;
}

/* ---------- filtro de ducha (complemento) ---------- */
.extra{
  margin-top:22px;display:grid;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.extra__icon{
  display:grid;place-items:center;padding:30px 20px;
  background:linear-gradient(150deg,#E8F5FB,#D7ECF7);color:var(--blue-500);
}
.extra__icon svg{width:74px;height:74px}
.extra__body{padding:26px;display:flex;flex-direction:column;gap:13px;align-items:flex-start}
.extra__body h3{font-size:1.3rem}
.extra__body p{color:var(--ink-soft);font-size:.95rem}

/* ---------- lo que incluye siempre ---------- */
.incluye{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding:22px;border-radius:var(--radius);
  background:rgba(34,193,220,.09);border:1px dashed rgba(34,193,220,.42);
}
.incluye li{
  display:flex;align-items:center;gap:8px;
  font-size:.87rem;font-weight:700;color:var(--navy-800);
  background:#fff;border-radius:999px;padding:8px 15px 8px 11px;
  box-shadow:var(--shadow-sm);
}
.incluye li::before{
  content:"";width:16px;height:16px;flex:none;border-radius:50%;
  background:var(--aqua-400) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
}

/* ---------- calculadora ---------- */
.calc{display:grid;gap:30px;align-items:center}
.calc__copy h2{font-size:clamp(1.6rem,4.4vw,2.3rem);margin-bottom:16px}
.calc__copy p{color:var(--ink-soft)}
.calc__foot{margin-top:14px;font-size:.82rem;color:#8798A8}
.calc__foot code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.8rem}

.calc__panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);display:grid;gap:20px;
}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:10px}
.field__row{display:flex;align-items:center;gap:16px}
.field__row output{
  min-width:88px;text-align:right;font-weight:800;font-size:1.05rem;
  color:var(--blue-500);font-variant-numeric:tabular-nums;
}
input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;height:6px;border-radius:999px;
  background:linear-gradient(90deg,var(--blue-500),var(--aqua-400));outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;
  background:#fff;border:3px solid var(--blue-500);cursor:pointer;
  box-shadow:0 3px 10px rgba(11,37,64,.22);
}
input[type=range]::-moz-range-thumb{
  width:24px;height:24px;border-radius:50%;background:#fff;
  border:3px solid var(--blue-500);cursor:pointer;box-shadow:0 3px 10px rgba(11,37,64,.22);
}
.calc__result{background:var(--soft);border-radius:var(--radius);padding:20px;display:grid;gap:12px}
.calc__line{display:flex;justify-content:space-between;align-items:baseline;gap:14px;font-size:.93rem;color:var(--ink-soft)}
.calc__line strong{font-size:1.12rem;color:var(--navy-800);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.calc__line--win{padding-top:12px;border-top:1px solid var(--line)}
.calc__line--win span{font-weight:700;color:var(--ink)}
.calc__line--win strong{color:#12A150;font-size:1.4rem}
.calc__extra{font-size:.84rem;color:var(--ink-soft)}
.calc__extra b{color:var(--navy-800)}

/* ---------- testimonios ---------- */
.quote{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;
}
.quote blockquote{margin:0;font-size:1rem;color:var(--ink);position:relative;padding-top:26px}
.quote blockquote::before{
  content:"“";position:absolute;top:-12px;left:-2px;
  font-size:3.4rem;line-height:1;color:var(--aqua-300);font-family:Georgia,serif;
}
.quote figcaption{margin-top:auto;font-size:.86rem;line-height:1.4}
.quote figcaption strong{display:block;color:var(--navy-800)}
.quote figcaption span{color:var(--ink-soft)}

/* ---------- faq ---------- */
.faq{display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:border-color .18s ease}
.faq details[open]{border-color:var(--aqua-300);box-shadow:var(--shadow-sm)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  font-weight:700;font-size:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:2px;top:50%;width:10px;height:10px;
  border-right:2.4px solid var(--blue-500);border-bottom:2.4px solid var(--blue-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq details p{padding:0 0 20px;color:var(--ink-soft);font-size:.95rem}

/* ---------- cta ---------- */
.cta{
  background:linear-gradient(140deg,var(--navy-800),var(--blue-500) 130%);
  color:#fff;padding:66px 0;text-align:center;position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,193,220,.28),transparent 68%);
  top:-220px;right:-140px;pointer-events:none;
}
.cta__inner{position:relative;z-index:1;max-width:720px}
.cta h2{font-size:clamp(1.55rem,4.6vw,2.35rem)}
.cta p{margin-top:14px;color:rgba(255,255,255,.8)}
.cta__row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.cta__hours{margin-top:22px;font-size:.85rem;color:rgba(255,255,255,.6)}

/* ---------- footer ---------- */
.foot{background:var(--navy-900);color:rgba(255,255,255,.72);padding:48px 0 0;font-size:.92rem}
.foot__inner{display:grid;gap:30px;padding-bottom:34px}
.foot__brand .brand__text{color:#fff;font-size:1.3rem}
.foot__brand p{margin-top:10px;max-width:36ch}
.foot__col h4{color:#fff;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.foot__col p{margin-bottom:7px}
.foot a:hover{color:var(--aqua-300)}
.foot__legal{
  border-top:1px solid rgba(255,255,255,.10);padding-top:20px;padding-bottom:20px;
  font-size:.8rem;color:rgba(255,255,255,.45);
}

/* ---------- botón flotante ---------- */
.wa-float{
  position:fixed;right:16px;bottom:16px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--wa);color:#fff;font-weight:700;font-size:.92rem;
  padding:13px 18px;border-radius:999px;
  box-shadow:0 10px 28px rgba(37,211,102,.42);
  transition:transform .18s ease,background .18s ease;
}
.wa-float:hover{transform:translateY(-2px);background:var(--wa-dark)}
.wa-float svg{width:22px;height:22px;flex:none}
.wa-float span{display:none}

/* ---------- placeholder de fotos que faltan ---------- */
.img-ph{
  width:100%;height:100%;min-height:200px;
  display:grid;place-content:center;gap:8px;justify-items:center;text-align:center;padding:20px;
  background:
    repeating-linear-gradient(45deg,#E8F5FB 0 12px,#DDEFF8 12px 24px);
  color:#5C7C90;
}
.hero__card .img-ph{aspect-ratio:4/5;min-height:0}
.card__img .img-ph{min-height:0}
.img-ph span{font-weight:800;font-size:.9rem;letter-spacing:.02em}
.img-ph code{font-size:.72rem;background:rgba(255,255,255,.7);padding:3px 8px;border-radius:6px;word-break:break-all}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

/* =========================================================
   Breakpoints
   ========================================================= */
@media (min-width:640px){
  .strip__inner{grid-template-columns:repeat(4,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .wa-float span{display:inline}
  .section{padding:80px 0}
}

@media (min-width:900px){
  .nav__links{display:flex}
  .hero{padding:72px 0 118px}
  .hero__inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px}
  .glass-wrap{width:min(300px,82%)}
  .install{grid-template-columns:1fr 1fr;gap:52px}
  .extra{grid-template-columns:.32fr 1.68fr;align-items:stretch}
  .extra__body{padding:34px}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .cards{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .calc{grid-template-columns:1fr 1fr;gap:48px}
  .foot__inner{grid-template-columns:1.6fr 1fr 1fr;gap:40px}
  .section{padding:92px 0}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}