/* ============================================================
   illinoisperc.com — landing page
   Dark premium structure (echoing armstrac.com) in the Illinois
   PERC brand blue, built around the supplied hero image + logo.
   Fonts: Inter (body/UI) + JetBrains Mono (headlines/eyebrows).
   ============================================================ */
:root{
  --bg:#0a1322; --bg2:#0b1626; --bg3:#0e1c30;
  --card:#122339; --card-b:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09); --line-soft:rgba(255,255,255,.055);
  --text:#bac7db; --dim:#7f8fa8; --white:#eef3fa;
  --accent:#2f80d8; --accent2:#5aa6ec; --accent-deep:#16467f;
  --glow:rgba(47,128,216,.30);
  --ok:#45b37a;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1120px; --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{min-height:100vh; background:var(--bg); color:var(--text); font:16px/1.65 var(--sans); -webkit-font-smoothing:antialiased; overflow-x:hidden}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}
a{color:var(--accent2); text-decoration:none}
h1,h2,h3{font-family:var(--mono); font-weight:700; color:var(--white); letter-spacing:-.02em; line-height:1.08}
.g{color:var(--accent2)}
.eyebrow{font-family:var(--mono); font-size:12.5px; font-weight:500; letter-spacing:.14em; text-transform:uppercase; color:var(--accent2); margin:0 0 16px}

/* ---------- buttons ---------- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:9px; font-family:var(--sans); font-weight:600; font-size:15.5px; padding:13px 24px; border-radius:12px; cursor:pointer; border:1px solid transparent; transition:.18s}
.btn-primary{background:linear-gradient(180deg,var(--accent2),var(--accent)); color:#07101d; box-shadow:0 10px 30px -12px var(--glow)}
.btn-primary:hover{filter:brightness(1.07); transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.05); border-color:var(--line); color:var(--text); backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:rgba(255,255,255,.24); color:var(--white)}
.btn-lg{padding:15px 30px; font-size:16.5px}

/* ---------- nav ---------- */
.nav{position:sticky; top:0; z-index:50; background:rgba(10,19,34,.82); backdrop-filter:blur(12px); border-bottom:1px solid var(--line-soft)}
.nav .inner{max-width:var(--maxw); margin:0 auto; padding:12px 24px; display:flex; align-items:center; justify-content:space-between; gap:18px}
.brand{display:inline-flex; align-items:center; gap:10px; background:#e9edf2; padding:8px 18px; border-radius:999px; border:1px solid rgba(255,255,255,.14); box-shadow:0 3px 12px rgba(0,0,0,.28); transition:.18s}
.brand:hover{background:#f4f7fb; transform:translateY(-1px); box-shadow:0 5px 16px rgba(0,0,0,.34)}
.brand img{height:50px; display:block}
.brand .fallback{font-family:var(--mono); font-weight:700; font-size:16px; color:#0a1322}
.nav nav{display:flex; align-items:center; gap:26px; font-size:14.5px}
.nav nav a.lk{color:var(--dim)}
.nav nav a.lk:hover{color:var(--white)}
@media (max-width:820px){ .nav nav a.lk{display:none} }

/* ---------- hero (over supplied image) ---------- */
.hero{position:relative; overflow:hidden; border-bottom:1px solid var(--line-soft)}
.hero .bg{
  position:absolute; inset:0; z-index:0;
  background-color:#0a1322;
  background-image:
    url("assets/hero.png"),
    linear-gradient(120deg,#0a1322 0%, #163a66 58%, #0a1322 100%);
  background-position:center right, center;
  background-size:cover, cover;
  background-repeat:no-repeat, no-repeat;
}
.hero .scrim{position:absolute; inset:0; z-index:1; background:linear-gradient(90deg,#0a1322 0%, rgba(10,19,34,.9) 34%, rgba(10,19,34,.45) 60%, rgba(10,19,34,.08) 100%)}
.hero .scrim2{position:absolute; inset:0; z-index:1; background:linear-gradient(180deg, rgba(10,19,34,.35) 0%, transparent 22% 72%, var(--bg) 100%)}
.hero .inner{position:relative; z-index:2; max-width:var(--maxw); margin:0 auto; padding:92px 24px 86px}
.hero .col{max-width:640px}
.badge{display:inline-flex; align-items:center; gap:9px; font-family:var(--mono); font-size:11.5px; letter-spacing:.09em; text-transform:uppercase; color:var(--accent2); border:1px solid var(--accent-deep); background:rgba(47,128,216,.12); padding:7px 14px; border-radius:99px; margin:0 0 26px}
.badge .dot{width:7px; height:7px; border-radius:50%; background:var(--accent2); box-shadow:0 0 10px var(--accent2)}
.hero h1{font-size:clamp(33px,5.6vw,60px); margin:0 0 22px; max-width:16ch}
.hero .lede{font-size:clamp(16px,2.1vw,19px); color:var(--text); max-width:54ch; margin:0 0 32px}
.hero .lede b{color:var(--white); font-weight:600}
.cta-row{display:flex; flex-wrap:wrap; gap:14px}
.hero .micro{margin:20px 0 0; font-family:var(--mono); font-size:12.5px; letter-spacing:.02em; color:var(--dim)}

/* ---------- stat strip ---------- */
.strip{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:-34px; position:relative; z-index:5}
.strip .cell{background:var(--card); border:1px solid var(--line-soft); border-radius:14px; padding:22px 18px; text-align:center; box-shadow:0 20px 40px -24px #000}
.strip .num{font-family:var(--mono); font-weight:700; font-size:34px; color:var(--accent2); line-height:1}
.strip .lab{font-size:13px; color:var(--dim); margin-top:8px}
@media (max-width:620px){ .strip{grid-template-columns:1fr 1fr; margin-top:20px} }

/* ---------- sections ---------- */
section{padding:74px 0; position:relative}
.band{background:var(--bg2); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft)}
.sec-head{max-width:720px; margin:0 0 40px}
.sec-head.center{margin-left:auto; margin-right:auto; text-align:center}
.sec-head h2{font-size:clamp(24px,3.6vw,38px); margin:0 0 14px}
.sec-head p{color:var(--dim); font-size:16.5px; margin:0}
.lead{max-width:760px; font-size:17.5px; color:var(--text)}
.lead p{margin:0 0 16px}
.lead b{color:var(--white)}

/* ---------- feature cards ---------- */
.cards{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.card{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius); padding:26px 24px; transition:.18s}
.card:hover{border-color:rgba(47,128,216,.5); transform:translateY(-2px)}
.card .ico{width:42px; height:42px; border-radius:11px; display:flex; align-items:center; justify-content:center; background:rgba(47,128,216,.14); border:1px solid rgba(47,128,216,.32); margin:0 0 16px}
.card .ico svg{width:21px; height:21px; stroke:var(--accent2); fill:none}
.card h3{font-size:17px; margin:0 0 8px; color:var(--white)}
.card p{margin:0; font-size:14.5px; color:var(--dim)}
@media (max-width:820px){ .cards{grid-template-columns:1fr} }

/* ---------- modules ---------- */
.mods{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.mod{display:flex; gap:16px; background:var(--card); border:1px solid var(--line-soft); border-radius:14px; padding:20px 22px; transition:.18s}
.mod:hover{border-color:rgba(47,128,216,.5)}
.mod .n{font-family:var(--mono); font-weight:700; font-size:15px; color:var(--accent2); border:1px solid rgba(47,128,216,.34); background:rgba(47,128,216,.1); width:38px; height:38px; flex:none; border-radius:10px; display:flex; align-items:center; justify-content:center}
.mod h3{font-size:15.5px; margin:1px 0 5px; color:var(--white)}
.mod p{margin:0; font-size:13.5px; color:var(--dim)}
@media (max-width:760px){ .mods{grid-template-columns:1fr} }

/* ---------- steps ---------- */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; counter-reset:s}
.step{background:var(--card); border:1px solid var(--line-soft); border-radius:var(--radius); padding:26px 24px}
.step::before{counter-increment:s; content:"0" counter(s); font-family:var(--mono); font-weight:700; font-size:14px; color:var(--accent2); display:block; margin:0 0 14px; letter-spacing:.06em}
.step h3{font-size:16.5px; margin:0 0 7px; color:var(--white)}
.step p{margin:0; font-size:14.5px; color:var(--dim)}
@media (max-width:780px){ .steps{grid-template-columns:1fr} }

/* ---------- pricing ---------- */
.pricing{display:grid; grid-template-columns:1.25fr .85fr; gap:18px; align-items:stretch}
.price-main{position:relative; overflow:hidden; background:linear-gradient(160deg,#14294a,#0d1d33); border:1px solid rgba(47,128,216,.34); border-radius:20px; padding:38px 36px}
.price-main::after{content:""; position:absolute; top:-80px; right:-80px; width:260px; height:260px; background:radial-gradient(circle,var(--glow),transparent 65%); pointer-events:none}
.price-main .tag{font-family:var(--mono); font-size:12.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent2); margin:0 0 14px}
.price-main h3{font-size:23px; margin:0 0 18px; color:var(--white)}
.price-main .amt{font-family:var(--mono); font-weight:700; font-size:58px; color:var(--white); line-height:1}
.price-main .amt .per{font-family:var(--sans); font-size:16px; font-weight:500; color:var(--dim)}
.price-main .pnote{color:var(--dim); font-size:14px; margin:12px 0 24px; max-width:42ch}
.incl{list-style:none; margin:0; padding:0}
.incl li{display:flex; gap:11px; align-items:flex-start; margin:0 0 12px; font-size:14.5px; color:var(--text)}
.incl .ck{width:20px;height:20px;flex:none;border-radius:50%;background:rgba(69,179,122,.16);border:1px solid rgba(69,179,122,.42);color:var(--ok);font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:1px}
.price-side{display:flex; flex-direction:column; gap:14px}
.price-aside{background:var(--card); border:1px solid var(--line-soft); border-radius:16px; padding:26px 24px; flex:1}
.price-aside .soon{display:inline-block; font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent2); border:1px solid var(--accent-deep); border-radius:99px; padding:4px 10px; margin:0 0 14px}
.price-aside h4{font-family:var(--mono); font-size:15px; color:var(--white); margin:0 0 8px}
.price-aside p{margin:0; font-size:13.5px; color:var(--dim)}
.price-aside .amt2{font-family:var(--mono); font-weight:700; font-size:26px; color:var(--white); margin:14px 0 0}
@media (max-width:860px){ .pricing{grid-template-columns:1fr} }

/* ---------- faq ---------- */
.faq-list{max-width:820px; margin:0 auto}
.faq-list details{border:1px solid var(--line-soft); border-radius:14px; padding:0 22px; margin:0 0 12px; background:var(--card)}
.faq-list details[open]{border-color:rgba(47,128,216,.34)}
.faq-list summary{list-style:none; cursor:pointer; padding:18px 0; font-weight:600; color:var(--white); font-size:15.5px; display:flex; justify-content:space-between; align-items:center; gap:16px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+"; font-family:var(--mono); font-size:20px; color:var(--accent2); line-height:1}
.faq-list details[open] summary::after{content:"\2013"}
.faq-list details p{margin:0 0 18px; color:var(--dim); font-size:14.5px; max-width:70ch}

/* ---------- closing ---------- */
.closing{text-align:center}
.closing .box{position:relative; overflow:hidden; background:linear-gradient(160deg,#14294a,#0c1b30); border:1px solid rgba(47,128,216,.3); border-radius:22px; padding:58px 30px}
.closing .box::before{content:""; position:absolute; inset:0; background:radial-gradient(620px 240px at 50% 0,var(--glow),transparent 70%); pointer-events:none}
.closing h2{font-size:clamp(24px,3.6vw,38px); margin:0 0 12px; position:relative}
.closing p{color:var(--dim); margin:0 auto 26px; max-width:52ch; position:relative}
.closing .cta-row{position:relative; justify-content:center}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line-soft); padding:40px 0 60px; color:var(--dim); font-size:13.5px}
footer.site .top{display:flex; flex-wrap:wrap; gap:16px 28px; align-items:center; justify-content:space-between}
footer.site .flogo{height:34px; display:block; background:#e9edf2; padding:7px 14px; border-radius:999px}
footer.site .legal{margin:22px 0 0; font-size:12.5px; color:#5d6b80; max-width:92ch; line-height:1.7}

:focus-visible{outline:2px solid var(--accent2); outline-offset:3px; border-radius:6px}
@media (prefers-reduced-motion:reduce){ *{transition:none!important; scroll-behavior:auto} }