/* =========================================================
   AltAvis Energy LLC — Shared Stylesheet
   Brand Book v1.1
   Royal Blue #003087 dominant.
   Precision Red #C8102E: 1.5px rule lines / structural accents ONLY.
   Never in text. Never as a fill.
   Typeface: Inter (Google Fonts).
   ========================================================= */

:root{
  --royal:#003087;
  --royal-deep:#00205a;
  --royal-tint:#eef2fa;
  --red:#C8102E;          /* structural rules only */
  --ink:#1a2230;
  --muted:#5a6678;
  --line:#e2e7f0;
  --white:#ffffff;
  --bg:#ffffff;
  --max:1160px;
  --rule:1.5px solid var(--red);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

a{color:var(--royal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--royal);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:2.6rem}
h2{font-size:1.9rem}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
.lead{font-size:1.2rem;color:var(--muted);max-width:62ch}
.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;
  font-weight:600;color:var(--royal);margin:0 0 .9rem;
  display:inline-block;padding-bottom:.5rem;border-bottom:var(--rule);
}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:30px;height:30px;display:block}
.brand .word{font-weight:700;font-size:1.32rem;color:var(--royal);letter-spacing:-.01em}
.brand .word b{font-weight:800}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--ink);font-weight:500;font-size:.97rem}
.nav-links a:hover{color:var(--royal);text-decoration:none}
.nav-links a.active{color:var(--royal);font-weight:600}
.nav-cta{background:var(--royal);color:#fff !important;padding:.55rem 1.1rem;border-radius:4px;font-weight:600}
.nav-cta:hover{background:var(--royal-deep);text-decoration:none}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--royal);cursor:pointer}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,var(--royal) 0%,var(--royal-deep) 100%);color:#fff;
  padding:96px 0 88px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:0;border-bottom:var(--rule)}
.hero h1{color:#fff;max-width:18ch}
.hero .lead{color:#cdd8ef}
.hero .tagline{text-transform:uppercase;letter-spacing:.22em;font-size:.8rem;color:#9fb4e0;
  font-weight:600;margin-bottom:1.4rem;display:inline-block;padding-bottom:.6rem;border-bottom:var(--rule)}
.btn{display:inline-block;background:#fff;color:var(--royal);font-weight:700;
  padding:.8rem 1.5rem;border-radius:4px;margin-top:1.6rem;font-size:1rem}
.btn:hover{background:var(--royal-tint);text-decoration:none}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);margin-left:.6rem}
.btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- Sections ---------- */
section{padding:72px 0}
.section-tint{background:var(--royal-tint)}
.divider{height:0;border-bottom:var(--rule);width:54px;margin:0 0 1.4rem}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px;
  border-top:var(--rule)}
.card h3{margin-top:.2rem}
.card .num{font-size:.8rem;font-weight:700;color:var(--royal);letter-spacing:.12em}

/* ---------- Stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:var(--rule);border-bottom:1px solid var(--line)}
.stat{padding:30px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .big{font-size:2rem;font-weight:800;color:var(--royal);display:block;line-height:1.1}
.stat .lbl{font-size:.85rem;color:var(--muted)}

/* ---------- Steps / flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.flow .step{padding:22px;border-left:1px solid var(--line);position:relative}
.flow .step:first-child{border-left:0}
.flow .step .k{font-size:.78rem;font-weight:700;color:var(--royal);letter-spacing:.12em;
  display:inline-block;padding-bottom:.4rem;border-bottom:var(--rule);margin-bottom:.7rem}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:.96rem}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
thead th{color:var(--royal);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;
  border-bottom:var(--rule)}
tbody tr:hover{background:var(--royal-tint)}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px;max-width:560px}
.form label{font-weight:600;font-size:.9rem;color:var(--ink);display:block;margin-bottom:.4rem}
.form input,.form textarea,.form select{width:100%;padding:.75rem .9rem;border:1px solid var(--line);
  border-radius:5px;font-family:inherit;font-size:1rem;color:var(--ink)}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--royal);
  box-shadow:0 0 0 3px rgba(0,48,135,.12)}
.form button{background:var(--royal);color:#fff;border:0;padding:.85rem 1.6rem;border-radius:5px;
  font-weight:700;font-size:1rem;cursor:pointer;justify-self:start}
.form button:hover{background:var(--royal-deep)}

/* ---------- Notices ---------- */
.notice{background:var(--royal-tint);border-left:var(--rule);padding:18px 22px;border-radius:0 6px 6px 0;
  font-size:.95rem;color:var(--ink)}

/* ---------- Market widgets ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tile{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;border-top:var(--rule)}
.tile .name{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.tile .val{font-size:1.7rem;font-weight:800;color:var(--royal);line-height:1.2;margin-top:.3rem}
.tile .meta{font-size:.8rem;color:var(--muted);margin-top:.25rem}
.clocks{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.clock{background:var(--royal);color:#fff;border-radius:8px;padding:22px;text-align:center}
.clock .city{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:#9fb4e0}
.clock .time{font-size:1.9rem;font-weight:800;font-variant-numeric:tabular-nums;margin-top:.3rem}
.clock .zone{font-size:.78rem;color:#9fb4e0;margin-top:.2rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--royal-deep);color:#c9d4ec;padding:54px 0 30px;margin-top:20px;
  border-top:var(--rule)}
.site-footer a{color:#fff}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:34px}
.foot-grid h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.12em}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:.5rem;font-size:.95rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:20px;font-size:.85rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#9fb0d4}

/* ---------- Responsive ---------- */
@media(max-width:880px){
  h1{font-size:2rem}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 0}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 28px;width:100%}
  .nav-toggle{display:block}
  .grid-3,.grid-2,.flow,.stats,.tiles,.clocks,.foot-grid{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .flow .step{border-left:0;border-top:1px solid var(--line)}
}