/* ===== energyapp.es — sistema de diseño compartido (TEMA CLARO) ===== */
:root{
  --bg:#F5F7FA;--bg2:#FFFFFF;--card:#FFFFFF;--card2:#FFFFFF;--line:rgba(16,24,32,.10);
  --green:#3AB43A;--green-l:#0A7D26;--green-d:#2F9E2B;      /* --green-l = verde legible para TEXTO sobre blanco */
  --white:#0E1621;/* texto principal (oscuro) */ --ink:#0E1621;
  --gray:#5A6672;--gray-d:#8A94A0;--red:#D93A3A;--amber:#C67A00;
  --radius:20px;--maxw:1120px;--read:680px;--head-h:60px;
  --shadow:0 12px 34px rgba(16,24,40,.10);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{min-height:100vh;color:var(--white);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.5;
  background:
    radial-gradient(1000px 560px at 50% -14%, rgba(58,180,58,.10), transparent 60%),
    var(--bg);
  background-attachment:fixed;}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--head-h);
  background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hwrap{max-width:var(--maxw);margin:0 auto;height:100%;padding:0 18px;display:flex;align-items:center;gap:18px}
.logo{font-weight:850;font-size:19px;letter-spacing:-.02em;flex:0 0 auto;color:var(--ink)}
.logo b{color:var(--green-l)}
.logo .by{font-size:11.5px;color:var(--gray);font-weight:600;letter-spacing:0}
@media(max-width:560px){.logo .by{display:none}}
.nav{display:none;align-items:center;gap:4px;margin-left:8px}
.nav>a,.dd-btn{color:var(--gray);font-size:14px;font-weight:600;padding:8px 12px;border-radius:10px;background:none;border:none;cursor:pointer;font-family:inherit}
.nav>a:hover,.dd-btn:hover{color:var(--ink);background:rgba(16,24,32,.05)}
.dd{position:relative}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:280px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:8px;box-shadow:var(--shadow);display:none;flex-direction:column;gap:2px}
.dd-menu a{color:var(--gray);font-size:13.5px;font-weight:600;padding:10px 12px;border-radius:9px}
.dd-menu a:hover{color:var(--ink);background:rgba(58,180,58,.10)}
.dd.open .dd-menu{display:flex}
.spacer{flex:1}
.cta-btn{display:none;flex:0 0 auto;background:linear-gradient(180deg,var(--green),var(--green-d));color:#06270a;
  font-weight:800;font-size:14px;padding:9px 16px;border-radius:999px}
.cta-btn:hover{filter:brightness(1.04)}
.hamb{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;margin-left:auto;
  background:none;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:20px;cursor:pointer}
.mobile-menu{position:fixed;top:var(--head-h);left:0;right:0;z-index:99;background:#fff;
  border-bottom:1px solid var(--line);padding:12px 18px 20px;display:none;flex-direction:column;gap:2px;max-height:calc(100vh - var(--head-h));overflow:auto;box-shadow:var(--shadow)}
.mobile-menu.open{display:flex}
.mobile-menu a{color:var(--gray);font-size:15px;font-weight:600;padding:12px 8px;border-bottom:1px solid rgba(16,24,32,.06)}
.mobile-menu a:last-child{border:none}
.mobile-menu .mcta{margin-top:10px;background:linear-gradient(180deg,var(--green),var(--green-d));color:#06270a;
  font-weight:850;text-align:center;border-radius:12px;padding:14px;border:none}
.mm-label{color:var(--gray-d);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:12px 8px 4px}

@media(min-width:900px){
  .nav{display:flex}
  .cta-btn{display:inline-block}
  .hamb{display:none}
}

/* ---------- Page shell ---------- */
.page{padding-top:calc(var(--head-h) + 8px);padding-bottom:10px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.narrow{max-width:var(--read);margin:0 auto;padding:0 18px}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--gray);font-weight:600;
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;background:#fff}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(58,180,58,.6);animation:pulse 1.9s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(58,180,58,.5)}70%{box-shadow:0 0 0 8px rgba(58,180,58,0)}100%{box-shadow:0 0 0 0 rgba(58,180,58,0)}}
h1{font-size:30px;font-weight:850;letter-spacing:-.025em;line-height:1.12;color:var(--ink)}
h1 .hl{color:var(--green-l)}
.lead{color:var(--gray);font-size:16px;line-height:1.6;margin-top:12px}
@media(min-width:900px){h1{font-size:40px}}

/* split: main + aside (aside sticky en desktop) */
.split{display:grid;grid-template-columns:1fr;gap:20px;margin-top:26px}
@media(min-width:900px){
  .split{grid-template-columns:1fr 340px;gap:34px;align-items:start}
  .split .aside{position:sticky;top:calc(var(--head-h) + 18px)}
}

/* ---------- Cards & bits ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.btn-primary{display:block;text-align:center;background:linear-gradient(180deg,var(--green),var(--green-d));color:#06270a;
  font-weight:850;font-size:16px;padding:15px;border-radius:14px}
.btn-primary:hover{filter:brightness(1.04)}
.trust{display:flex;align-items:center;gap:8px;justify-content:center;color:var(--gray);font-size:12.5px;margin-top:12px}

/* conversion aside box */
.convert{background:linear-gradient(180deg,rgba(58,180,58,.10),rgba(58,180,58,.03));border:1px solid rgba(58,180,58,.30);
  border-radius:var(--radius);padding:22px;text-align:center}
.convert h2{font-size:20px;font-weight:850;color:var(--ink)}
.convert p{font-size:14px;color:var(--gray);margin:8px 0 0;line-height:1.5}
.convert .btn-primary{margin-top:16px}

/* info / prose */
.prose{color:var(--gray);font-size:15px;line-height:1.7;margin-top:14px}
.prose h2,.prose h3{color:var(--ink);font-weight:800;margin:22px 0 8px}
.prose h2{font-size:20px}.prose h3{font-size:16px}
.prose a{color:var(--green-l);font-weight:700}
.prose b{color:#2b3540}

/* related links grid */
.rel{margin-top:30px}
.rel .t{font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--gray-d);margin-bottom:12px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-grid a{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;font-size:14px;font-weight:600;color:var(--ink)}
.rel-grid a:hover{border-color:var(--green);box-shadow:var(--shadow)}
.rel-grid a .ar{margin-left:auto;color:var(--green-l)}

/* ---------- Footer ---------- */
.site-footer{margin-top:50px;border-top:1px solid var(--line);background:#fff}
.fwrap{max-width:var(--maxw);margin:0 auto;padding:34px 18px 10px;display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:720px){.fwrap{grid-template-columns:1.4fr 1fr 1fr}}
.fcol h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-d);margin-bottom:12px}
.fcol a{display:block;color:var(--gray);font-size:14px;font-weight:500;padding:5px 0}
.fcol a:hover{color:var(--ink)}
.flogo{font-weight:850;font-size:20px;letter-spacing:-.02em;color:var(--ink)}
.flogo b{color:var(--green-l)}
.fcol p{color:var(--gray);font-size:13.5px;line-height:1.6;margin-top:10px;max-width:320px}
.fcol p b{color:#2b3540}
.fbottom{max-width:var(--maxw);margin:0 auto;padding:18px;color:var(--gray-d);font-size:12px;line-height:1.6;border-top:1px solid var(--line)}
.fbottom b{color:var(--gray)}