/* ===== SolarSur — hoja de estilo compartida ===== */
:root{
  --navy:#12324f;
  --navy-900:#0c2439;
  --navy-700:#1c496e;
  --gold:#f2a81d;
  --gold-600:#e0940a;
  --green:#1f9d63;
  --green-700:#157a4c;
  --green-050:#eaf7ef;
  --sky-050:#eef4fb;
  --sky-100:#dfeaf7;
  --paper:#ffffff;
  --mist:#f4f7fb;
  --ink:#15222f;
  --muted:#5a6a79;
  --line:#e3e9f1;
  --shadow:0 18px 40px -22px rgba(12,36,57,.35);
  --shadow-sm:0 8px 22px -14px rgba(12,36,57,.28);
  --radius:18px;
  --radius-sm:12px;
  --wrap:1160px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --display:'Sora','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.15;margin:0;color:var(--navy);letter-spacing:-.02em}
p{margin:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.section.tight{padding:56px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);
  font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green-700);background:var(--green-050);padding:6px 14px;border-radius:999px}
.eyebrow.gold{color:var(--gold-600);background:#fdf3dd}
.eyebrow.sky{color:var(--navy-700);background:var(--sky-100)}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--display);font-weight:600;font-size:1rem;line-height:1;
  padding:15px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease}
.btn svg{width:20px;height:20px}
.btn-wa{background:var(--green);color:#fff;box-shadow:0 12px 26px -12px rgba(31,157,99,.7)}
.btn-wa:hover{background:var(--green-700);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#3a2a05;box-shadow:0 12px 26px -14px rgba(242,168,29,.75)}
.btn-gold:hover{background:var(--gold-600);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.16)}
.btn-block{width:100%}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto}
.brand b{font-family:var(--display);font-weight:700;font-size:1.18rem;color:var(--navy);letter-spacing:-.02em}
.brand span{display:block;font-size:.66rem;letter-spacing:.22em;color:var(--gold-600);font-weight:600;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--display);font-weight:500;font-size:.94rem;color:var(--navy);
  padding:9px 13px;border-radius:9px;transition:background .18s,color .18s}
.nav-links a:hover{background:var(--sky-050)}
.nav-links a.active{color:var(--green-700)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:11px 18px;font-size:.92rem}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2.5px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,29,46,.94) 32%,rgba(9,29,46,.6) 62%,rgba(9,29,46,.35))}
.hero-inner{position:relative;padding:96px 22px 104px;max-width:682px}
.hero h1{color:#fff;font-size:clamp(2.1rem,5.6vw,3.6rem)}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{margin-top:20px;font-size:1.16rem;color:#d5e2f0;max-width:52ch}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{margin-top:38px;display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-badges span{display:inline-flex;align-items:center;gap:9px;font-size:.95rem;color:#cfe0ee}
.hero-badges b{color:#fff;font-family:var(--display)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(242,168,29,.22)}
.dot.green{background:var(--green);box-shadow:0 0 0 4px rgba(31,157,99,.22)}
.sunrays{position:absolute;top:-90px;right:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,168,29,.5),transparent 62%);filter:blur(6px);pointer-events:none}

/* ===== Stats band ===== */
.stats{background:linear-gradient(135deg,var(--navy),var(--navy-700));color:#fff}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:44px 0}
.stat b{display:block;font-family:var(--display);font-size:clamp(1.9rem,4.4vw,2.7rem);color:var(--gold);line-height:1}
.stat span{display:block;margin-top:8px;font-size:.92rem;color:#cddaea}

/* ===== Section head ===== */
.shead{max-width:660px;margin-bottom:44px}
.shead.center{margin-left:auto;margin-right:auto}
.shead h2{font-size:clamp(1.7rem,4vw,2.4rem);margin-top:14px}
.shead p{margin-top:14px}

/* ===== Cards / services ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--green-050);color:var(--green-700);margin-bottom:18px}
.card .ico.gold{background:#fdf3dd;color:var(--gold-600)}
.card .ico.sky{background:var(--sky-100);color:var(--navy-700)}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:1.24rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.98rem}
.card ul{margin:16px 0 0;padding:0;list-style:none}
.card ul li{position:relative;padding-left:26px;margin:8px 0;font-size:.95rem;color:var(--ink)}
.card ul li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:9px;
  border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}

/* ===== Split (image + text) ===== */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;
  aspect-ratio:4/3;object-fit:cover}
.split-media .tag{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:12px;
  padding:12px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.split-media .tag b{font-family:var(--display);color:var(--navy);font-size:1.05rem;display:block}
.split-media .tag small{color:var(--muted)}
.split-text h2{font-size:clamp(1.6rem,3.6vw,2.25rem);margin-bottom:16px}
.split-text p{color:var(--muted);margin-bottom:14px}
.checklist{list-style:none;margin:20px 0 26px;padding:0}
.checklist li{position:relative;padding-left:34px;margin:12px 0;font-weight:500}
.checklist li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--green-050)}
.checklist li::after{content:"";position:absolute;left:7px;top:8px;width:9px;height:5px;
  border-left:2px solid var(--green-700);border-bottom:2px solid var(--green-700);transform:rotate(-45deg)}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;background:var(--mist);border-radius:var(--radius);padding:30px 24px}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--display);
  font-weight:700;font-size:1.5rem;color:var(--gold);display:block;margin-bottom:12px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.94rem}

/* ===== Savings / eco band ===== */
.band{background:var(--green-050);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.band h2{font-size:clamp(1.6rem,3.6vw,2.2rem);margin-bottom:16px}
.band p{color:#3c5346}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini{background:#fff;border-radius:14px;padding:20px;box-shadow:var(--shadow-sm)}
.mini b{font-family:var(--display);font-size:1.7rem;color:var(--green-700);display:block}
.mini span{font-size:.86rem;color:var(--muted)}

/* ===== Coverage / zone ===== */
.zone{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.zone span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;
  font-family:var(--display);font-weight:500;font-size:.92rem;color:var(--navy)}
.zone span::before{content:"📍";margin-right:6px}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:4px 22px;margin-bottom:14px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;font-family:var(--display);font-weight:600;
  color:var(--navy);padding:18px 0;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:1.04rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--gold-600);transition:transform .2s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 20px}

/* ===== CTA band ===== */
.cta{position:relative;background:var(--navy-900);color:#fff;border-radius:26px;padding:56px 48px;overflow:hidden;text-align:center}
.cta::before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,168,29,.45),transparent 60%)}
.cta h2{position:relative;color:#fff;font-size:clamp(1.7rem,4vw,2.4rem)}
.cta p{position:relative;color:#d5e2f0;margin:14px auto 28px;max-width:52ch}
.cta .hero-cta{justify-content:center}

/* ===== Trust / logos row ===== */
.trust{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;align-items:center;
  color:var(--muted);font-size:.9rem}
.trust b{color:var(--navy);font-family:var(--display)}

/* ===== Page hero (interior) ===== */
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-700));color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;top:-80px;right:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,168,29,.4),transparent 62%)}
.page-hero .crumbs{font-size:.85rem;color:#a9c1d8;margin-bottom:16px;position:relative}
.page-hero .crumbs a:hover{color:#fff}
.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3rem);position:relative;max-width:16ch}
.page-hero p{color:#d5e2f0;margin-top:16px;font-size:1.1rem;max-width:56ch;position:relative}

/* ===== Footer ===== */
.site-footer{background:var(--navy-900);color:#c6d5e5;padding:60px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-logo img{height:40px;width:auto;filter:brightness(0) invert(1);opacity:.95}
.foot-logo b{font-family:var(--display);font-weight:700;font-size:1.2rem;color:#fff;letter-spacing:-.02em}
.foot-brand p{font-size:.94rem;color:#9db4ca;max-width:34ch}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin:9px 0}
.site-footer ul a{color:#bccfe1;font-size:.95rem}
.site-footer ul a:hover{color:var(--gold)}
.foot-contact a{display:flex;gap:10px;align-items:center;margin:10px 0;color:#dbe7f3}
.foot-contact svg{width:18px;height:18px;color:var(--gold);flex:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.85rem;color:#8ba5be}
.foot-bottom a{color:#8ba5be}
.foot-bottom a:hover{color:var(--gold)}
.credit a{color:#cdd9e6}

/* ===== Floating WhatsApp ===== */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;align-items:center;gap:10px;
  background:var(--green);color:#fff;padding:13px 18px 13px 15px;border-radius:999px;
  font-family:var(--display);font-weight:600;box-shadow:0 16px 34px -12px rgba(31,157,99,.75);
  transition:transform .18s}
.wa-float:hover{transform:translateY(-3px)}
.wa-float svg{width:26px;height:26px}
.wa-float .lbl{white-space:nowrap}

/* ===== Utilities ===== */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.pill{background:var(--sky-050);color:var(--navy-700);border-radius:999px;padding:7px 15px;font-size:.86rem;font-weight:500;font-family:var(--display)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ===== Responsive ===== */
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev .split-media{order:0}
  .band{grid-template-columns:1fr;padding:36px 26px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .section{padding:56px 0}
  .nav-links{position:fixed;inset:74px 0 auto 0;flex-direction:column;background:#fff;
    padding:16px 22px 26px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    transform:translateY(-140%);transition:transform .3s ease;align-items:stretch}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 6px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
  .burger{display:block}
  .nav-cta .btn.hide-sm{display:none}
  .brand span span{display:none}
  .brand b{font-size:1.28rem}
  .stats .grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta{padding:42px 24px}
  .wa-float .lbl{display:none}
  .wa-float{padding:14px;right:14px;bottom:14px}
  .hero-inner{padding:64px 22px 74px}
}