/* TFC Business Solutions — tfcsolutions.biz
   Tokens from tfc-palette.html. Contrast table is the reference for which token goes where.
   RULE: gold #C8A44D is never text on light — bronze #7B601D is the only gold-toned text on marble. */
:root {
  /* surfaces */
  --tfc-obsidian:   #0A0B0D;
  --tfc-navy:       #101D36;
  --tfc-navy-2:     #1B2C4D;
  --tfc-marble:     #F5F3EE;
  /* accent */
  --tfc-gold:       #C8A44D;
  --tfc-gold-light: #E3C97B;
  --tfc-bronze:     #7B601D;
  /* type */
  --tfc-slate:      #5A6478;
  --tfc-line:       #E2E6ED;
  /* scrims — never put copy straight on veining */
  --tfc-scrim-light: rgba(255,255,255,.82);
  --font-display: "Sora", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--tfc-marble);color:#1A2233;font:16px/1.65 var(--font-body)}
img,svg{max-width:100%}
a{color:var(--tfc-bronze)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;line-height:1.18}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;background:var(--tfc-navy);color:#fff;padding:10px 16px;z-index:50}
.skip:focus{left:0}

/* ---------- nav ---------- */
.nav{background:var(--tfc-navy);position:relative;z-index:5}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand svg{height:28px;width:auto;display:block}
.brand .bname{color:#fff;font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:.02em}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a{color:#C3CBD9;text-decoration:none;font-size:14px}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--tfc-gold-light)}
.btn{display:inline-block;background:var(--tfc-gold);color:var(--tfc-obsidian);font-weight:650;font-size:14px;
     padding:11px 20px;border-radius:6px;text-decoration:none;letter-spacing:.01em;border:1.5px solid var(--tfc-gold)}
.btn:hover{background:var(--tfc-gold-light);border-color:var(--tfc-gold-light)}
.btn.ghost{background:transparent;color:var(--tfc-gold)}
.btn.ghost:hover{color:var(--tfc-obsidian);background:var(--tfc-gold)}
.btn.onlight{background:var(--tfc-navy);color:#fff;border-color:var(--tfc-navy)}
.btn.onlight:hover{background:var(--tfc-navy-2);border-color:var(--tfc-navy-2)}
.menu-toggle{display:none;background:none;border:1.5px solid var(--tfc-gold);color:var(--tfc-gold);
             border-radius:6px;padding:7px 12px;font:inherit;font-size:14px}

/* ---------- hero ---------- */
.hero{background:var(--tfc-navy);padding:72px 0 80px;position:relative}
.hero .eyebrow,.eyebrow{color:var(--tfc-gold);font-size:12px;letter-spacing:.2em;text-transform:uppercase;margin:0 0 16px;font-weight:600}
.rule{height:2px;background:var(--tfc-gold);width:56px;border:0;margin:0 0 22px}
.hero h1{color:#fff;font-size:clamp(32px,5vw,46px);margin:0 0 16px;max-width:18ch}
.hero h1 em{font-style:normal;color:var(--tfc-gold)}
.hero p.lede{color:#AEB9CC;font-size:17px;max-width:56ch;margin:0 0 30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero .fine{color:#8A97AC;font-size:13px;margin-top:18px}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section h2{font-size:clamp(24px,3.4vw,32px);margin:0 0 8px;color:var(--tfc-navy)}
.section .sublab{color:var(--tfc-slate);font-size:15.5px;margin:0 0 30px;max-width:64ch}
.marblesec{position:relative;overflow:hidden}
.marblesec>.slab{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.marblesec>.wrap{position:relative;z-index:2}

/* cards on marble sit on the light scrim */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.svc{background:var(--tfc-scrim-light);border:1px solid rgba(10,11,13,.09);border-radius:10px;padding:22px;
     -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;flex-direction:column}
.svc .num{color:var(--tfc-bronze);font-size:11px;letter-spacing:.18em;margin-bottom:10px;font-weight:600}
.svc h3{margin:0 0 8px;font-size:17px;color:var(--tfc-navy)}
.svc p{margin:0 0 16px;font-size:14px;color:var(--tfc-slate);line-height:1.55;flex:1}
.price{font-size:20px;font-weight:650;color:var(--tfc-navy);font-family:var(--font-display)}
.price small{font-size:12.5px;color:var(--tfc-slate);font-weight:400;font-family:var(--font-body)}

/* leak table / findings */
.leaks{background:#fff;border:1px solid var(--tfc-line);border-radius:12px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{text-align:left;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--tfc-slate);
   padding:14px 18px;border-bottom:1px solid var(--tfc-line);background:#FBFAF7}
td{padding:13px 18px;border-bottom:1px solid #F0EEE9;color:var(--tfc-slate);vertical-align:top}
td b,td strong{color:var(--tfc-navy)}
tr:last-child td{border-bottom:0}
.tablewrap{overflow-x:auto}

/* nero premium band */
.neroband{position:relative;overflow:hidden;color:#fff}
.neroband>.slab{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.neroband::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(10,11,13,.94) 0%,rgba(10,11,13,.88) 46%,rgba(10,11,13,.55) 78%,rgba(10,11,13,.35) 100%)}
.neroband>.wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:68px}
.neroband h2{color:#fff;font-size:clamp(24px,3.2vw,30px);margin:0 0 12px;max-width:24ch}
.neroband p{color:#B9BEC6;font-size:15.5px;max-width:58ch;margin:0 0 26px}
.stats{display:flex;gap:44px;margin-top:34px;flex-wrap:wrap}
.stat b{display:block;color:var(--tfc-gold);font-size:28px;letter-spacing:-.02em;font-family:var(--font-display)}
.stat span{color:#B9BEC6;font-size:12px;letter-spacing:.06em;text-transform:uppercase}

/* terms strip */
.terms{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.term{background:#fff;border:1px solid var(--tfc-line);border-left:3px solid var(--tfc-gold);border-radius:8px;padding:16px 18px}
.term b{display:block;color:var(--tfc-navy);font-size:15px;margin-bottom:4px;font-family:var(--font-display);font-weight:600}
.term span{color:var(--tfc-slate);font-size:14px}

/* pricing page */
.pillar{margin:0 0 46px}
.pillar h2{display:flex;align-items:baseline;gap:12px}
.pillar .tag{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--tfc-bronze);font-weight:600}
.plist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.prod{background:#fff;border:1px solid var(--tfc-line);border-radius:10px;padding:22px}
.prod h3{margin:0 0 6px;font-size:17px;color:var(--tfc-navy)}
.prod .price{margin-bottom:10px}
.prod p{margin:0;font-size:14px;color:var(--tfc-slate)}
.prod ul{margin:10px 0 0;padding-left:18px;font-size:14px;color:var(--tfc-slate)}
.prod li{margin-bottom:4px}

/* about / prose */
.prose{max-width:70ch}
.prose p{color:#3A4356;font-size:16px}
.prose h2{margin-top:38px}
.prose ul{color:#3A4356}

/* contact */
.contactgrid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
form .field{margin-bottom:16px}
label{display:block;font-size:13.5px;font-weight:600;color:var(--tfc-navy);margin-bottom:6px}
input,textarea,select{width:100%;padding:11px 13px;border:1px solid #C9CFDA;border-radius:7px;
  font:15px var(--font-body);background:#fff;color:#1A2233}
input:focus,textarea:focus,select:focus{outline:2px solid var(--tfc-gold);outline-offset:1px;border-color:var(--tfc-gold)}
.panel{background:#fff;border:1px solid var(--tfc-line);border-radius:12px;padding:26px}
.panel h3{margin:0 0 10px;color:var(--tfc-navy);font-size:17px}
.panel p{font-size:14.5px;color:var(--tfc-slate)}
.formnote{font-size:13px;color:var(--tfc-slate);margin-top:10px}

/* footer */
footer{background:var(--tfc-obsidian);border-top:2px solid var(--tfc-gold);padding:34px 0;margin-top:0}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
footer svg{height:22px;width:auto}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:#A9B0BC;font-size:13px;text-decoration:none}
footer a:hover{color:var(--tfc-gold-light)}
footer small{color:#8A919D;font-size:12.5px}

/* utility */
.center{text-align:center}
.mt{margin-top:28px}

@media(max-width:900px){
  .cards,.cards.four{grid-template-columns:repeat(2,1fr)}
  .plist{grid-template-columns:1fr}
  .contactgrid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .cards,.cards.four,.terms{grid-template-columns:1fr}
  .navlinks{display:none;position:absolute;top:60px;left:0;right:0;background:var(--tfc-navy);
    flex-direction:column;padding:10px 24px 20px;gap:16px;align-items:flex-start;border-bottom:2px solid var(--tfc-gold)}
  .navlinks.open{display:flex}
  .menu-toggle{display:block}
  .stats{gap:26px}
}