/* =========================================================
   Sunix Energía Solar — hoja de estilos
   Colores de la marca: azul #00316E, amarillo #FEC502
   Regla de marca: texto amarillo SOLO sobre azul.
   ========================================================= */

/* ---------- Fuentes (servidas desde el propio sitio) ---------- */
@font-face{font-family:"Rubik";src:url("../assets/fonts/rubik-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Rubik";src:url("../assets/fonts/rubik-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../assets/fonts/source-sans-3-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../assets/fonts/source-sans-3-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../assets/fonts/source-sans-3-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}

/* ---------- Variables ---------- */
:root{
  --navy:#00316E;
  --navy-2:#1F5FA8;
  --navy-deep:#00234F;
  --sun:#FEC502;
  --sun-dark:#E0AC00;
  --sky:#F2F6FB;
  --paper:#FFFFFF;
  --ink:#0E1B33;
  --muted:#4F5D73;
  --line:#D9E1EC;
  --on-navy:#FFFFFF;
  --on-navy-muted:#BFD0EA;
  --wa:#1C7C4A;
  --err:#B42318;
  --f-head:"Rubik","Arial Black",Arial,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r:12px;
  --max:1140px;
  --shadow:0 10px 30px -12px rgba(0,35,79,.35);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:18px;line-height:1.55}
img,svg{display:block;max-width:100%;height:auto}
[hidden]{display:none!important}
a{color:var(--navy-2)}
h1,h2,h3{font-family:var(--f-head);color:var(--navy);line-height:1.12;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:500}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:4px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--sun);color:var(--navy);padding:10px 16px;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.small{font-size:.92rem;color:var(--muted)}
.muted{opacity:.85}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border:2px solid transparent;border-radius:999px;font:700 1rem/1.1 var(--f-head);text-decoration:none;cursor:pointer;transition:transform .15s,background-color .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn--sun{background:var(--sun);color:var(--navy)}
.btn--sun:hover{background:#FFD23A;box-shadow:0 6px 18px -6px rgba(254,197,2,.7)}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-deep)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--ghost-dark{border-color:var(--navy);color:var(--navy);background:#fff}
.btn--wa{background:var(--wa);color:#fff}
.btn--sm{min-height:40px;padding:8px 16px;font-size:.95rem}
.btn--full{width:100%}

/* ---------- Encabezado ---------- */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.top__logo img{width:150px;height:auto}
.nav{display:flex;align-items:center;gap:22px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:1rem}
.nav a:not(.btn):hover{color:var(--navy-2)}
.nav .btn{color:var(--navy)}
.menu-btn{display:none;width:48px;height:48px;border:0;background:transparent;cursor:pointer;border-radius:10px}
.menu-btn__bars,.menu-btn__bars::before,.menu-btn__bars::after{display:block;width:24px;height:3px;background:var(--navy);border-radius:2px;margin:auto;transition:transform .2s}
.menu-btn__bars{position:relative}
.menu-btn__bars::before,.menu-btn__bars::after{content:"";position:absolute;left:0}
.menu-btn__bars::before{top:-8px}.menu-btn__bars::after{top:8px}
.menu-btn[aria-expanded="true"] .menu-btn__bars{background:transparent}
.menu-btn[aria-expanded="true"] .menu-btn__bars::before{transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-btn__bars::after{transform:translateY(-8px) rotate(-45deg)}

@media (max-width:920px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav.is-open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px}
}

/* ---------- Etiquetas pequeñas ---------- */
.eyebrow{font:700 .82rem/1 var(--f-head);text-transform:uppercase;letter-spacing:.12em;color:var(--navy-2);margin-bottom:14px}
.eyebrow--sun{color:var(--sun)} /* solo sobre azul */
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}

/* ---------- Portada ---------- */
.hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-180px;top:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(254,197,2,.28),rgba(254,197,2,0) 65%);pointer-events:none}
.hero__in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:84px;position:relative}
.hero h1{color:#fff}
.hl{color:var(--sun)}
.hero__lead{font-size:1.2rem;color:var(--on-navy-muted);max-width:56ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--on-navy-muted);font-size:.98rem}
.ticks li{display:flex;align-items:center;gap:8px}
.ticks li::before{content:"✓";display:grid;place-items:center;flex:none;width:20px;height:20px;border-radius:50%;background:var(--sun);color:var(--navy);font:700 .75rem/1 var(--f-body)}

/* Recibo de ejemplo */
.bill{margin:0;background:#fff;color:var(--ink);border-radius:16px;padding:22px 22px 18px;box-shadow:0 24px 60px -20px rgba(0,0,0,.55);transform:rotate(1.2deg)}
.bill__head{display:flex;justify-content:space-between;align-items:center;font:700 1rem var(--f-head);color:var(--navy);padding-bottom:12px;border-bottom:2px dashed var(--line)}
.tag{font:600 .75rem var(--f-body);text-transform:uppercase;letter-spacing:.08em;background:var(--sky);color:var(--muted);padding:4px 8px;border-radius:6px}
.bill__rows{margin:10px 0 0}
.bill__rows div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:.98rem}
.bill__rows dt{color:var(--muted)}
.bill__rows dd{margin:0;font-weight:600;text-align:right}
.bill__rows .is-key{background:var(--navy);color:#fff;margin:6px -10px;padding:10px;border-radius:8px;border:0}
.bill__rows .is-key dt{color:#fff}
.bill__rows .is-key dd{color:var(--sun)}
.bill__rows .is-off dd{color:var(--muted);font-weight:400;font-style:italic}
.bill__hist{margin-top:14px}
.bill__hist p{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);margin-bottom:8px}
.bars{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;align-items:end;height:64px}
.bars i{display:block;background:var(--navy-2);border-radius:3px 3px 0 0;opacity:.85}
.bars i:nth-child(n+7){background:var(--navy)}
.h5{height:50%}.h6{height:60%}.h7{height:70%}.h8{height:80%}.h9{height:90%}.h10{height:100%}
.bill__note{font-size:.88rem;color:var(--muted);margin:14px 0 0}

/* ---------- Secciones ---------- */
.sec{padding:88px 0}
.sec--sky{background:var(--sky)}
.sec--navy{background:var(--navy);color:var(--on-navy)}
.sec--navy h2,.sec--navy h3{color:#fff}
.sec--navy .lead,.sec--navy .small{color:var(--on-navy-muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--top{align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card p{color:var(--muted);margin:0}
.card--line{border-top:5px solid var(--navy)}
.ico{width:40px;height:40px;padding:8px;border-radius:10px;background:var(--navy);fill:none;stroke:var(--sun);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}

.rule{border:1px solid rgba(255,255,255,.18);border-radius:var(--r);padding:24px;background:rgba(255,255,255,.04)}
.rule__k{color:var(--sun);font-size:.9rem;margin-bottom:12px}
.rule p:last-child{color:var(--on-navy-muted);margin:0}

/* Negocios */
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{background:var(--sky);border:1px solid var(--line);color:var(--navy);font-weight:600;padding:10px 16px;border-radius:999px}
#negocios .btn{margin-top:8px}

/* ---------- Formularios ---------- */
.panel{background:#fff;color:var(--ink);border-radius:16px;padding:28px;box-shadow:var(--shadow);border:1px solid var(--line)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;font-weight:600;font-size:.95rem;color:var(--navy)}
.fld input,.fld select{font:400 1rem var(--f-body);color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:10px;min-height:48px;padding:10px 12px;width:100%}
.fld input:focus,.fld select:focus{border-color:var(--navy-2);outline:3px solid rgba(31,95,168,.2);outline-offset:0}
.fld input[aria-invalid="true"]{border-color:var(--err)}
.chk{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px;font-size:.95rem}
.chk input{width:20px;height:20px;margin-top:2px;accent-color:var(--navy)}
.err{color:var(--err);font-weight:600;margin:12px 0 0}
.out{margin-top:22px;padding-top:20px;border-top:2px dashed var(--line)}
.out__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.out__grid p{background:var(--navy);border-radius:10px;padding:14px 10px;text-align:center;margin:0}
.out__n{display:block;color:var(--sun);font-size:1.45rem;font-weight:700}
.out__l{display:block;color:var(--on-navy-muted);font-size:.85rem;margin-top:4px}
.out .btn{margin-top:6px}
.msg{white-space:pre-wrap;word-break:break-word;background:var(--sky);border:1px solid var(--line);border-radius:10px;padding:14px;font:400 .95rem/1.5 var(--f-body);margin:0 0 14px}
.out--msg .small{margin-top:12px}

/* ---------- Proceso ---------- */
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;counter-reset:s}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 18px;position:relative;display:flex;flex-direction:column}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:var(--sun);font:700 1.05rem var(--f-head);margin-bottom:14px}
.steps p{color:var(--muted);font-size:.98rem;flex:1}
.who{align-self:flex-start;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--navy-2);background:var(--sky);padding:4px 10px;border-radius:999px}

/* ---------- Cobertura ---------- */
.cities{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cities li{border:1px solid var(--line);border-left:5px solid var(--sun);border-radius:var(--r);padding:18px 20px;display:flex;flex-direction:column}
.cities b{font:700 1.2rem var(--f-head);color:var(--navy)}
.cities span{color:var(--muted);font-size:.95rem}

/* ---------- Contacto ---------- */
.need{list-style:none;padding:0;margin:24px 0}
.need li{padding:12px 0 12px 34px;border-bottom:1px solid rgba(255,255,255,.15);position:relative;color:var(--on-navy-muted)}
.need li b{color:#fff}
.need li::before{content:"";position:absolute;left:4px;top:19px;width:14px;height:14px;border-radius:50%;background:var(--sun)}
.quote{font:500 1.25rem/1.35 var(--f-head);color:var(--sun);margin-top:28px}
.quote span{display:block;font:400 .9rem var(--f-body);color:var(--on-navy-muted);margin-top:6px}
.sec--navy .panel .small{color:var(--muted)}

/* ---------- Preguntas ---------- */
.faq-wrap{max-width:860px}
.faq{margin-top:28px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 44px 20px 0;font:500 1.1rem/1.35 var(--f-head);color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;border-right:3px solid var(--navy-2);border-bottom:3px solid var(--navy-2);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{color:var(--muted);padding:0 0 20px;margin:0;max-width:70ch}

/* ---------- Pie ---------- */
.foot{background:var(--navy-deep);color:var(--on-navy-muted);padding:56px 0 24px;font-size:.98rem}
.foot__in{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}
.foot img{width:150px}
.foot h3{color:#fff;font-size:1rem;margin-bottom:10px}
.foot__tag{color:var(--sun);font:500 1.05rem var(--f-head);margin-top:14px}
.foot__legal{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;font-size:.88rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot__legal p{margin:0}
.foot a{color:#fff}

/* ---------- Botón flotante ---------- */
.wa-float{position:fixed;right:16px;bottom:16px;z-index:50;display:flex;align-items:center;gap:8px;background:var(--sun);color:var(--navy);text-decoration:none;font:700 .95rem var(--f-head);padding:12px 18px 12px 14px;border-radius:999px;box-shadow:0 10px 24px -8px rgba(0,0,0,.45);transition:transform .15s,opacity .2s}
.wa-float svg{width:22px;height:22px;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linejoin:round}
.wa-float:hover{transform:translateY(-2px)}
.wa-float.is-wa{background:var(--wa);color:#fff}
.wa-float.is-wa svg{stroke:#fff}
.wa-float.is-hidden{opacity:0;pointer-events:none}

/* ---------- Páginas legales ---------- */
.legal{padding:56px 0 80px}
.legal .wrap{max-width:820px}
.legal h2{font-size:1.35rem;margin-top:1.8em}
.legal li{margin-bottom:.4em}
.notice{background:#FFF7D6;border:1px solid #F0D777;border-left:5px solid var(--sun-dark);border-radius:10px;padding:14px 18px;color:#5A4A00}
.fill{background:#FFF1B8;padding:0 4px;border-radius:4px;font-weight:600}

/* ---------- Responsivo ---------- */
@media (max-width:980px){
  .grid4{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  body{font-size:17px}
  .hero__in,.split{grid-template-columns:1fr;gap:40px}
  .hero__in{padding-top:48px;padding-bottom:60px}
  .bill{transform:none;max-width:460px}
  .grid3{grid-template-columns:1fr 1fr}
  .foot__in{grid-template-columns:1fr}
  .sec{padding:64px 0}
}
@media (max-width:560px){
  .grid3,.grid4,.cities{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr;gap:0}
  .out--msg .row2{gap:10px}
  .panel{padding:20px}
  .hero__cta .btn{flex:1 1 100%}
  .out__n{font-size:1.2rem}
  .wa-float span{display:none}
  .wa-float{padding:14px}
}

/* ---------- Impresión ---------- */
@media print{
  .top,.wa-float,.hero__cta,#f-calc,#f-msg{display:none!important}
  .hero,.sec--navy,.foot{background:#fff!important;color:#000!important}
  .hero h1,.sec--navy h2,.sec--navy h3{color:var(--navy)!important}
}