/* clearenergy-ai.com — Copyright (c) Syrus Industry S.r.l. All rights reserved. */
:root{
  --brand:#0d6efd; --brand-dark:#0a58ca; --accent:#0891b2;
  --ink:#0f172a; --muted:#475569; --line:#e2e8f0; --bg:#ffffff; --panel:#f8fafc;
  --warn-bg:#fffbeb; --warn-line:#f59e0b; --warn-ink:#78350f;
  --ok:#047857; --focus:#1d4ed8;
}
@media (prefers-color-scheme:dark){
  :root{ --ink:#e2e8f0; --muted:#94a3b8; --line:#1e293b; --bg:#0b1220; --panel:#111a2e;
         --warn-bg:#2a1f07; --warn-ink:#fcd34d; --brand:#60a5fa; --brand-dark:#93c5fd; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand-dark)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;background:var(--ink);color:var(--bg);padding:.75rem 1rem;z-index:99}
.skip:focus{left:0}
.wrap{max-width:1060px;margin:0 auto;padding:0 1.25rem}

header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:66px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-weight:700}
.logo .mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff}
.nav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav a:hover{color:var(--brand-dark)}

.btn{display:inline-block;padding:.75rem 1.4rem;border-radius:8px;font-weight:600;
  text-decoration:none;border:2px solid transparent;font-size:1rem}
.btn-primary{background:var(--brand);color:#fff}
@media (prefers-color-scheme:dark){.btn-primary{color:#0b1220}}
.btn-ghost{border-color:var(--line);color:var(--ink)}

.hero{padding:4rem 0 3rem}
.hero h1{font-size:clamp(1.9rem,4.6vw,2.9rem);line-height:1.15;margin:0 0 1rem;letter-spacing:-.02em}
.hero .lead{font-size:1.15rem;color:var(--muted);max-width:60ch;margin:0 0 1.75rem}
.badges{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.25rem}
.badge{font-size:.78rem;font-weight:600;padding:.28rem .7rem;border-radius:999px;
  border:1px solid var(--line);background:var(--panel);color:var(--muted)}
.badge.trl{border-color:var(--accent);color:var(--accent)}

section{padding:3.25rem 0;border-top:1px solid var(--line)}
h2{font-size:clamp(1.4rem,3vw,1.95rem);margin:0 0 .5rem;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 2rem;max-width:65ch}

.status{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:1.4rem 1.6rem}
.status h2{color:var(--warn-ink);font-size:1.15rem;margin:0 0 .75rem}
.status p{margin:0 0 .5rem;color:var(--warn-ink);font-size:.96rem}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
@media(max-width:820px){.cols{grid-template-columns:1fr;gap:1.5rem}}
ul.check,ul.plan{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
/* niente flex sul <li>: renderebbe ogni <strong> un flex item a sé, spezzando la frase */
ul.check li,ul.plan li{position:relative;padding-left:1.6rem;font-size:.97rem}
ul.check li::before,ul.plan li::before{position:absolute;left:0;top:0;font-weight:700}
ul.check li::before{content:"✓";color:var(--ok)}
ul.plan li::before{content:"○";color:var(--muted)}
.colhead{font-size:1.05rem;font-weight:700;margin:0 0 .9rem}
.colhead small{display:block;font-weight:400;color:var(--muted);font-size:.85rem;margin-top:.2rem}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.1rem}
.stat .v{font-size:1.65rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.stat .k{font-size:.83rem;color:var(--muted);margin-top:.3rem}

table{width:100%;border-collapse:collapse;font-size:.94rem}
.tablewrap{overflow-x:auto}
th,td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line)}
th{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
td.num{text-align:right;font-variant-numeric:tabular-nums}

footer{border-top:1px solid var(--line);padding:2.5rem 0;color:var(--muted);font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
footer a{color:var(--muted)}
.disclaimer{margin-top:1.25rem;font-size:.82rem;opacity:.85;max-width:75ch}