/* Sitio Web Inteligente — estilos base. El color de marca viene del panel (--brand). */
:root{
  --brand:#0284c7;
  --ink:#0b1726;--ink2:#334155;--mu:#64748b;--line:#e2e8f0;--bg:#ffffff;--soft:#f4f7fb;
  --brand-soft:color-mix(in srgb,var(--brand) 10%,#fff);
  --brand-dark:color-mix(in srgb,var(--brand) 70%,#04111f);
  --r:18px;--sh:0 18px 50px rgba(11,23,38,.10);
  --fh:'Sora',system-ui,sans-serif;--fb:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font:16px/1.6 var(--fb);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--brand)}
h1,h2,h3{font-family:var(--fh);line-height:1.12;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(28px,4vw,42px)}
h3{font-size:19px}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--mu)}
.tiny{font-size:12.5px;color:var(--mu)}
.kicker{font:600 13px/1 var(--fb);letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:0;border-radius:999px;
  padding:12px 22px;font:600 15px/1.2 var(--fb);text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;
  box-shadow:0 8px 22px color-mix(in srgb,var(--brand) 30%,transparent)}
.btn:hover{transform:translateY(-1px);background:var(--brand-dark)}
.btn:disabled{opacity:.6;cursor:wait}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 26px;font-size:16px}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{background:var(--soft)}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:none}.btn-light:hover{background:#f1f5f9}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);box-shadow:none}.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
.link{background:none;border:0;padding:0;color:var(--brand);font:600 14px/1.4 var(--fb);cursor:pointer;text-align:left}
.link:hover{text-decoration:underline}

/* Aviso superior */
.notice{background:var(--ink);color:#e2e8f0;font-size:14px}
.notice .wrap{display:flex;gap:10px;align-items:center;justify-content:center;padding:9px 20px;flex-wrap:wrap;text-align:center}
.notice a{color:#fff;font-weight:600}
.pulse{width:8px;height:8px;border-radius:50%;background:#f97316;box-shadow:0 0 0 0 rgba(249,115,22,.6);animation:pulse 2s infinite;flex:none}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(249,115,22,0)}100%{box-shadow:0 0 0 0 rgba(249,115,22,0)}}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.solid{border-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font:700 19px/1 var(--fh);color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px}
.menu{display:flex;gap:22px;margin-left:auto}
.menu a{color:var(--ink2);text-decoration:none;font-size:15px}
.menu a:hover{color:var(--brand)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--ink);transition:.25s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.nav.open .burger span:first-child{transform:translateY(4px) rotate(45deg)}.nav.open .burger span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media(max-width:900px){
  .menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 20px 14px;display:none}
  .menu a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav.open .menu{display:flex}
  .burger{display:block}
  .nav-in>.btn{margin-left:auto}
}
@media(max-width:420px){.nav-in>.btn{display:none}.burger{margin-left:auto}}

/* Hero */
.hero{position:relative;padding:56px 0 80px;background:
  radial-gradient(900px 500px at 85% 10%,color-mix(in srgb,var(--brand) 16%,transparent),transparent 65%),
  radial-gradient(600px 400px at 0% 100%,color-mix(in srgb,var(--brand) 8%,transparent),transparent 70%),var(--bg);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13.5px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);padding:7px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(38px,5.6vw,64px);font-weight:700;margin-bottom:20px}
.lead{font-size:clamp(17px,1.6vw,19.5px);color:var(--ink2);max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:flex;gap:10px 22px;flex-wrap:wrap;color:var(--ink2);font-size:14.5px}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b1726' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.hero-vis{position:relative;min-height:430px;display:grid;place-items:center}
.hero-photo{position:absolute;inset:0;border-radius:28px;background:center/cover;box-shadow:var(--sh)}

/* Ilustración del aire */
.ac{position:relative;width:min(100%,420px)}
.ac-unit{position:relative;height:118px;border-radius:22px 22px 30px 30px;background:linear-gradient(180deg,#fff,#eef3f8);box-shadow:var(--sh),inset 0 -6px 0 #dfe7f0;border:1px solid #e3eaf2}
.ac-vent{position:absolute;left:22px;right:22px;bottom:16px;height:12px;border-radius:8px;background:repeating-linear-gradient(90deg,#cfd9e4 0 3px,#e8eef5 3px 9px)}
.ac-led{position:absolute;left:24px;top:24px;width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 10px #22c55e}
.ac-temp{position:absolute;right:26px;top:16px;font:600 26px/1 var(--fh);color:var(--brand)}
.ac-air{position:relative;height:250px;margin:0 30px;overflow:hidden;-webkit-mask:linear-gradient(#000 30%,transparent);mask:linear-gradient(#000 30%,transparent)}
.ac-air i{position:absolute;top:-40px;width:3px;height:120px;border-radius:3px;background:linear-gradient(transparent,color-mix(in srgb,var(--brand) 55%,#fff),transparent);animation:air 2.6s linear infinite;opacity:.7}
.ac-air i:nth-child(1){left:12%;animation-delay:0s}.ac-air i:nth-child(2){left:31%;animation-delay:.9s}.ac-air i:nth-child(3){left:50%;animation-delay:.3s}
.ac-air i:nth-child(4){left:69%;animation-delay:1.4s}.ac-air i:nth-child(5){left:88%;animation-delay:.6s}
@keyframes air{from{transform:translateY(0) skewX(-8deg)}to{transform:translateY(260px) skewX(-8deg)}}
.float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 14px;box-shadow:var(--sh);font-size:13.5px;max-width:250px;animation:bob 6s ease-in-out infinite}
.float b{display:block;font-size:14px}.float span{color:var(--mu)}
.fl1{left:-4%;top:52%}.fl2{right:-2%;top:62%;animation-delay:-2s}.fl3{left:8%;bottom:4%;animation-delay:-4s;color:#15803d}
@keyframes bob{50%{transform:translateY(-8px)}}
@media(max-width:900px){.hero-in{grid-template-columns:1fr}.hero-vis{min-height:380px}.fl1{left:0}.fl2{right:0}}
@media(max-width:480px){.hero{padding:36px 0 56px}.hero-vis{min-height:350px}.float{max-width:210px;font-size:12.5px}.fl2{top:58%}}

/* Secciones */
.sec{padding:96px 0}
.sec-alt{background:var(--soft)}
.sec-dark{background:var(--ink);color:#e2e8f0}
.sec-dark h2,.sec-dark h3{color:#fff}.sec-dark .kicker{color:color-mix(in srgb,var(--brand) 55%,#fff)}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-head .muted{margin-top:12px;font-size:17px}
@media(max-width:640px){.sec{padding:68px 0}}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:10px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:color-mix(in srgb,var(--brand) 35%,var(--line))}
.card p{color:var(--mu);font-size:15px;flex:1}
.ico{width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:6px}
.ico svg{width:24px;height:24px}
@media(max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.cards{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.split-top{align-items:start}
.split h2{margin-bottom:16px}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:13px 18px;font:500 15.5px/1 var(--fb);color:var(--ink);cursor:pointer;transition:.2s}
.chips button:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}

/* Calculadora */
.calc{display:grid;grid-template-columns:1.2fr .8fr;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh)}
.calc-form{padding:32px;display:grid;gap:22px}
.calc-form label{display:grid;gap:8px;font-weight:600;font-size:15px}
.calc-form output{font-weight:600;color:var(--brand)}
.calc-form label:has(output){grid-template-columns:1fr auto}.calc-form label:has(output) input{grid-column:1/-1}
input[type=range]{width:100%;accent-color:var(--brand)}
.toggles{display:flex;gap:10px;flex-wrap:wrap}
.tg{display:flex!important;align-items:center;gap:8px!important;font-weight:500!important;border:1px solid var(--line);border-radius:12px;padding:10px 14px;cursor:pointer}
.tg input{accent-color:var(--brand);width:18px;height:18px}
.calc-out{background:linear-gradient(160deg,var(--brand),var(--brand-dark));color:#fff;padding:32px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.calc-out .muted,.calc-out .tiny{color:rgba(255,255,255,.8)}
.calc-out strong{font:700 clamp(36px,4.5vw,50px)/1.05 var(--fh)}
.gauge{height:8px;border-radius:8px;background:rgba(255,255,255,.25);overflow:hidden;margin:10px 0 6px}
.gauge i{display:block;height:100%;width:20%;background:#fff;border-radius:8px;transition:width .4s}
.calc-out .btn{background:#fff;color:var(--brand-dark);box-shadow:none;margin-top:12px}
.calc-out .link{color:#fff;margin-top:4px}
@media(max-width:860px){.calc{grid-template-columns:1fr}.calc-form,.calc-out{padding:24px}}

/* Pasos */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps li{border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:24px;background:rgba(255,255,255,.03)}
.steps b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font:700 16px var(--fh);margin-bottom:16px}
.steps h3{margin-bottom:8px}.steps p{color:#94a3b8;font-size:15px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* Formulario */
.form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;display:grid;gap:14px;box-shadow:var(--sh)}
.form label{display:grid;gap:6px;font-weight:600;font-size:14.5px}
.form .opt{font-weight:400;color:var(--mu)}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);font:400 16px/1.4 var(--fb);color:var(--ink);background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid color-mix(in srgb,var(--brand) 25%,transparent);border-color:var(--brand)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.f2{grid-template-columns:1fr}.form{padding:20px}}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.form-msg{font-size:15px;min-height:1.2em}
.form-msg.ok{color:#15803d;background:#ecfdf3;border-radius:12px;padding:12px 14px}.form-msg.err{color:#b91c1c}
.form.sent{border-color:#86efac}
.contact-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px;color:var(--ink2)}
.contact-list a{color:var(--ink);text-decoration:none;font-weight:600}.contact-list a:hover{color:var(--brand)}
.cal-embed{border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);background:#fff}
.cal-embed iframe{width:100%;height:680px;border:0;display:block}

/* FAQ */
.faq-wrap{max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 18px;color:var(--ink2)}

/* CTA final + footer */
.cta-final{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;padding:84px 0;text-align:center}
.cta-final h2{color:#fff;margin-bottom:10px}.cta-final p{opacity:.85}.cta-final .hero-cta{justify-content:center}
.foot{padding:40px 0 100px;border-top:1px solid var(--line);font-size:14.5px}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot .logo{margin-bottom:8px}

/* WhatsApp flotante (a la izquierda; el chat queda a la derecha) */
.wa-float{position:fixed;left:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#22c55e;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(34,197,94,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.07)}
@media(max-width:480px){.wa-float{left:14px;bottom:14px;width:54px;height:54px}}

/* Aparición al hacer scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}
.calc-form select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);font:400 16px/1.4 var(--fb);color:var(--ink);background:#fff}
@media(max-width:600px){.notice{font-size:13px}.notice .wrap{padding:8px 16px;gap:4px 8px}.notice .pulse{display:none}}
/* Con foto propia (imagenes/hero.jpg): proporción 6:5 y tarjetas fuera de las caras */
.hero-vis.has-photo{min-height:0;aspect-ratio:6/5}
.has-photo .fl1{top:6%;left:-4%}
.has-photo .fl2{top:auto;bottom:22%;right:-4%}
.has-photo .fl3{left:-3%;bottom:-3%}
@media(max-width:900px){.has-photo .fl1{left:2%}.has-photo .fl2{right:2%}.has-photo .fl3{left:2%}}
@media(max-width:480px){.has-photo .fl2{display:none}}