/* Solar Quebracho — PSQI
   Paleta tomada del monte entrerriano y del logo: verde quebracho, sol, tanino. */
:root{
  --monte:#173A2A;      /* fondo oscuro, verde del logo */
  --monte-2:#1E4835;
  --monte-3:#245640;
  --hoja:#2E6B48;
  --sol:#E8B33A;        /* acento sobre oscuro */
  --ocre:#A8740E;       /* sol sobre claro (datos) */
  --tanino:#B3472B;     /* costo del mercado */
  --tanino-d:#D56A4B;
  --vidrio:#2B7BB9;     /* tarifa regulada */
  --vidrio-d:#4C91C9;
  --loess:#EEF0EA;      /* fondo claro */
  --papel:#F7F8F4;
  --tinta:#13241A;
  --tinta-2:#4A5A50;
  --linea:#CDD4CC;
  --crema:#F2EBD8;      /* texto sobre oscuro */
  --niebla:#A9C0B0;     /* texto secundario sobre oscuro */
  --linea-d:#2F5C46;

  --serif:"Lora",Georgia,serif;
  --sans:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --w:1180px;
  --gut:clamp(16px,4vw,48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--tinta);background:var(--loess);font-variant-numeric:lining-nums tabular-nums;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--sol);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--sol);color:var(--tinta);padding:8px 14px;z-index:200}
.skip:focus{left:8px}

h1,h2{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.08}
h2{font-size:clamp(30px,4.2vw,50px);max-width:16ch;margin-bottom:.5em}
h3{font-family:var(--sans);font-size:19px;font-weight:650;font-stretch:105%;line-height:1.25;margin-bottom:.35em}
h4{font-family:var(--sans);font-size:16px;font-weight:650;margin-bottom:.3em}
p{max-width:68ch}
.lead{font-family:var(--serif);font-size:clamp(19px,1.7vw,22px);line-height:1.5}
.narrow{max-width:58ch}
.prose p+p{margin-top:1em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--gut)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,80px);align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr}}

section.light,section.dark{padding:clamp(72px,10vw,136px) 0}
section.dark{background:var(--monte);color:var(--crema)}
section.dark .model,section.dark .lead{color:var(--crema)}
section.dark p{color:var(--crema)}
section.light{background:var(--loess)}

/* ───────── NAV ───────── */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px var(--gut);color:var(--crema);transition:background .3s,padding .3s}
.nav.solid{background:rgba(23,58,42,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--serif);font-size:19px;font-weight:500}
.brand img{width:52px;height:auto}
.nav nav{display:flex;gap:clamp(14px,2vw,28px)}
.nav nav a{text-decoration:none;font-size:15px;font-weight:500;color:var(--crema);opacity:.82;padding:6px 0;border-bottom:1px solid transparent}
.nav nav a:hover,.nav nav a.on{opacity:1;border-bottom-color:var(--sol)}
.nav-toggle{display:none;background:none;border:1px solid rgba(242,235,216,.4);color:var(--crema);font:500 15px var(--sans);padding:7px 14px;border-radius:999px;cursor:pointer}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--monte);padding:8px var(--gut) 18px;display:none;border-top:1px solid var(--linea-d)}
  .nav nav.open{display:flex}
  .nav nav a{padding:12px 0;border-bottom:1px solid var(--linea-d);font-size:17px}
}

/* ───────── HERO ───────── */
.hero{position:relative;min-height:100svh;min-height:100vh;color:var(--crema);background:#12301F;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
@supports (height:100svh){.hero{min-height:100svh}}
.sky{position:absolute;inset:0;width:100%;height:100%}
.hero-copy{position:relative;z-index:2;max-width:var(--w);width:100%;margin:0 auto;padding:clamp(108px,15vh,170px) var(--gut) 0}
.hero-copy>*{max-width:620px}
.hero-kicker{font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--sol);margin-bottom:14px}
.hero h1{font-size:clamp(38px,5.6vw,78px);max-width:13ch;text-shadow:0 2px 30px rgba(10,30,20,.35)}
.hero-lede{font-family:var(--serif);font-size:clamp(18px,1.8vw,23px);line-height:1.45;max-width:36ch;margin-top:22px;color:var(--crema)}
.live{margin-top:30px;max-width:46ch}
.live p{font-size:15px;line-height:1.5;color:var(--crema);min-height:3em;text-shadow:0 1px 12px rgba(11,30,20,.6)}
.scrub{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:10px}
.scrub label{font-size:14px;color:var(--crema);text-shadow:0 1px 10px rgba(11,30,20,.7)}
.scrub input{flex:1 1 180px;max-width:280px;accent-color:var(--sol);height:28px;cursor:pointer}
.scrub button{background:none;border:1px solid rgba(232,179,58,.6);color:var(--sol);font:500 14px var(--sans);padding:5px 12px;border-radius:999px;cursor:pointer}
.specs{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--w);width:100%;margin:0 auto;padding:0 var(--gut) clamp(28px,5vh,48px)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:34%;background:linear-gradient(to top,rgba(11,30,20,.92),rgba(11,30,20,.55) 60%,transparent);z-index:1;pointer-events:none}
.specs div{padding:18px 18px 4px 0;border-top:1px solid rgba(242,235,216,.28)}
.specs div+div{padding-left:18px;border-left:1px solid rgba(242,235,216,.16)}
.specs dt{font-size:14px;color:var(--niebla)}
.specs dd{font-family:var(--sans);font-size:clamp(26px,3.2vw,40px);font-weight:300;font-stretch:112%;line-height:1.1;margin-top:4px}
.specs dd span{font-size:.45em;font-weight:500;font-stretch:100%;color:var(--niebla);margin-left:2px}
@media (max-width:760px){
  .specs{grid-template-columns:1fr 1fr}
  .specs div:nth-child(3){padding-left:0;border-left:0}
  .hero-copy{padding-top:104px}
}

/* ───────── PROYECTO: plano ───────── */
.plan{margin-top:clamp(40px,6vw,72px)}
.plan-frame{position:relative;background:var(--papel);border:1px solid var(--linea);border-radius:6px;padding:clamp(10px,2vw,24px)}
#plan{width:100%;height:auto;overflow:visible}
#plan .blk{cursor:pointer}
#plan .blk rect.hit{fill:transparent}
#plan .blk:hover .trk,#plan .blk.sel .trk{stroke:var(--monte)}
#plan .trk{stroke:#5E7E6C;stroke-width:1.4;transition:stroke .2s}
#plan .outline{fill:#E4E9E1;stroke:var(--monte);stroke-width:1.5}
#plan text{font-family:var(--sans);font-size:12px;fill:var(--tinta-2)}
#plan .lbl{font-weight:600;fill:var(--tinta)}
#plan .sts{fill:var(--sol);stroke:var(--monte);stroke-width:1.5}
#plan .bld{fill:var(--monte)}
#plan .pde{fill:var(--tanino)}
.plan figcaption{font-size:14px;color:var(--tinta-2);margin-top:14px;max-width:80ch}
.plan-tip{position:absolute;pointer-events:none;background:var(--monte);color:var(--crema);font-size:14px;line-height:1.45;padding:10px 12px;border-radius:4px;max-width:250px;box-shadow:0 6px 20px rgba(19,36,26,.25)}
.plan-tip b{display:block;font-weight:650;margin-bottom:2px}
@media (max-width:640px){.plan-frame{overflow-x:auto}#plan{min-width:720px}}

/* ───────── TECNOLOGÍA ───────── */
.chain{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:clamp(40px,6vw,64px);position:relative;counter-reset:none}
.chain::before{content:"";position:absolute;left:0;right:0;top:46px;height:2px;background:var(--linea-d)}
.chain::after{content:"";position:absolute;left:0;top:45px;width:90px;height:4px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--sol));animation:flow 4.5s cubic-bezier(.45,0,.3,1) infinite;opacity:0}
.chain.go::after{opacity:1}
@keyframes flow{0%{left:0;opacity:0}8%{opacity:1}90%{opacity:1}100%{left:calc(100% - 90px);opacity:0}}
@media (prefers-reduced-motion:reduce){.chain::after{display:none}}
.chain li{position:relative;padding:0 22px 0 0}
.chain li::before{content:"";position:absolute;left:0;top:40px;width:14px;height:14px;border-radius:50%;background:var(--monte);border:2px solid var(--sol)}
.chain .count{font-family:var(--sans);font-size:clamp(24px,2.4vw,34px);font-weight:300;font-stretch:115%;line-height:1;color:var(--sol);margin-bottom:58px;white-space:nowrap}
.chain h3{color:var(--crema)}
.model{font-size:14px;font-weight:500;opacity:.75;margin-bottom:10px}
.chain p:last-child{font-size:15px;color:var(--niebla)}
section.dark .chain p:last-child{color:var(--niebla)}
@media (max-width:980px){
  .chain{grid-template-columns:1fr;gap:28px;padding-left:30px}
  .chain::before{left:6px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .chain::after{display:none}
  .chain li::before{left:-30px;top:6px}
  .chain .count{margin-bottom:10px}
}
.tec-more{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,80px);margin-top:clamp(56px,7vw,96px);padding-top:clamp(32px,4vw,48px);border-top:1px solid var(--linea-d)}
.tec-more p{font-size:16px}
.tec-more p+p{margin-top:.9em}
section.dark .tec-more p{color:var(--niebla)}
@media (max-width:860px){.tec-more{grid-template-columns:1fr}}
.mini{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:8px 32px;margin-top:22px}
.mini dt{font-size:13px;color:var(--niebla)}
.mini dd{font-size:22px;font-weight:300;font-stretch:112%;color:var(--crema)}
@media (max-width:520px){.mini{grid-template-columns:1fr 1fr}}

/* ───────── GENERACIÓN ───────── */
.facts{display:grid;grid-template-columns:1fr 1fr;gap:0}
.facts div{padding:16px 0 14px;border-top:1px solid var(--linea)}
.facts div:nth-child(even){padding-left:24px;border-left:1px solid var(--linea)}
.facts dt{font-size:14px;color:var(--tinta-2)}
.facts dd{font-size:clamp(26px,2.8vw,36px);font-weight:300;font-stretch:112%;line-height:1.15}
.facts dd span{font-size:.45em;font-weight:500;font-stretch:100%;color:var(--tinta-2)}
.charts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);margin-top:clamp(48px,6vw,80px)}
@media (max-width:900px){.charts{grid-template-columns:1fr}}
.chart figcaption{margin-bottom:14px}
.chart figcaption strong{display:block;font-weight:650;font-size:17px}
.chart figcaption span{display:block;font-size:14px;color:var(--tinta-2)}
.chart-dark figcaption span{color:var(--niebla)}
.chart-body{position:relative;width:100%}
.chart-body svg{width:100%;height:auto;overflow:visible}
.chart-body text{font-family:var(--sans);font-size:12px;fill:var(--tinta-2)}
.chart-dark .chart-body text{fill:var(--niebla)}
.chart-body .val{font-size:12px;font-weight:600;fill:var(--tinta)}
.chart-dark .chart-body .val{fill:var(--crema)}
.chart-note{font-size:15px;color:var(--tinta-2);margin-top:12px}
.foot-note{font-size:15px;color:var(--tinta-2);margin-top:clamp(36px,5vw,56px);max-width:78ch}
.table-view{margin-top:10px;font-size:14px}
.table-view summary{cursor:pointer;color:var(--tinta-2);width:max-content}
.chart-dark .table-view summary{color:var(--niebla)}
.table-view table{border-collapse:collapse;margin-top:8px;min-width:280px}
.table-view th,.table-view td{text-align:right;padding:4px 12px;border-bottom:1px solid var(--linea)}
.chart-dark .table-view th,.chart-dark .table-view td{border-bottom-color:var(--linea-d)}
.table-view th:first-child,.table-view td:first-child{text-align:left;padding-left:0}

/* ───────── MERCADO ───────── */
.mercado .chart{margin-top:clamp(48px,6vw,80px);max-width:860px}
.legend{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;margin-bottom:12px;color:var(--crema)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.drivers{margin-top:clamp(56px,7vw,96px)}
.drivers h3{font-family:var(--serif);font-weight:500;font-size:clamp(24px,2.6vw,32px);margin-bottom:24px}
.driver-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.driver-grid div{border-top:2px solid var(--tanino-d);padding-top:16px}
.driver-grid h4{color:var(--crema)}
.driver-grid p{font-size:15px;color:var(--niebla)!important}
@media (max-width:980px){.driver-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.driver-grid{grid-template-columns:1fr}}
.offer{margin-top:clamp(56px,7vw,96px);padding:clamp(24px,3vw,40px) 0 0;border-top:1px solid var(--linea-d)}
.offer p{font-family:var(--serif);font-size:clamp(20px,2vw,26px);line-height:1.5;max-width:52ch}

/* ───────── HABILITACIONES ───────── */
.timeline{list-style:none;margin-top:clamp(40px,6vw,64px);position:relative}
.timeline::before{content:"";position:absolute;left:136px;top:8px;bottom:8px;width:2px;background:var(--hoja)}
.timeline li{display:grid;grid-template-columns:136px 1fr;gap:0 40px;position:relative;padding-bottom:30px}
.timeline li::before{content:"";position:absolute;left:130px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--hoja);box-shadow:0 0 0 4px var(--loess)}
.timeline li.next::before{background:var(--loess);border:2px solid var(--hoja)}
.timeline time,.timeline .when{font-size:15px;font-weight:600;color:var(--tinta);padding-right:24px;text-align:right;white-space:nowrap}
.timeline .when{color:var(--ocre)}
.timeline h3{margin-bottom:.2em}
.timeline p{font-size:16px;color:var(--tinta-2)}
@media (max-width:640px){
  .timeline::before{left:6px}
  .timeline li{grid-template-columns:1fr;padding-left:30px}
  .timeline li::before{left:0}
  .timeline time,.timeline .when{text-align:left;padding:0;margin-bottom:2px}
}
.also{margin-top:16px;padding-left:176px}
.also p{font-size:16px;color:var(--tinta-2)}
@media (max-width:640px){.also{padding-left:30px}}
.marco{margin-top:clamp(56px,7vw,96px);padding-top:clamp(28px,4vw,40px);border-top:1px solid var(--linea)}
.marco h3{font-family:var(--serif);font-weight:500;font-size:clamp(24px,2.6vw,32px);margin-bottom:20px}
.marco dl{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.marco dt{font-weight:650;margin-bottom:4px}
.marco dd{font-size:15px;color:var(--tinta-2)}
@media (max-width:900px){.marco dl{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.marco dl{grid-template-columns:1fr}}

/* ───────── CONTACTO ───────── */
.contacto{background:var(--monte-2)!important}
.logo-big{width:min(280px,70%);height:auto}
.contacto h2{max-width:none}
.contact{display:grid;gap:18px;margin-top:10px}
.contact dt{font-size:14px;color:var(--niebla)}
.contact dd{font-size:18px}
.foot{background:var(--monte);color:var(--niebla);padding:28px 0 36px;font-size:13px;border-top:1px solid var(--linea-d)}
.foot p{max-width:none}
.foot p+p{margin-top:4px}

/* tooltip de gráficos */
.tip{position:fixed;z-index:300;pointer-events:none;background:var(--tinta);color:var(--crema);font-size:13px;line-height:1.45;padding:8px 10px;border-radius:4px;box-shadow:0 6px 18px rgba(0,0,0,.25);white-space:nowrap}
.tip b{font-weight:650}

@media (max-width:600px){
  .chart-body text,.chart-body .val{font-size:19px}
  .chart-body svg{overflow:visible}
}