/* ============================================================
   TEXAS EMBER — design system
   Science. Precision. Potential.
   Palette + type from the brand kit.
   ============================================================ */
:root{
  --onyx:#0B0B0C;
  --panel:#111113;
  --panel-2:#1A1A1D;
  --panel-3:#242428;
  --line:#2E2E32;
  --line-2:#3a3a40;
  --steel-1:#f6f7fb;
  --steel-2:#c7cad4;
  --steel-3:#9498a4;
  --ink:#e9eaef;
  --ink-dim:#a9adb8;
  --ink-mute:#71747e;
  --red-deep:#7A0F00;
  --ember:#FF4500;
  --amber:#FFA500;
  --ember-soft:#ff6a33;
  --glow:linear-gradient(90deg,#7A0F00 0%,#FF4500 55%,#FFA500 100%);
  --maxw:1280px;
  --nav-h:76px;
  --steel-grad:linear-gradient(176deg,#fdfdff 0%,#cfd2db 34%,#eef0f5 52%,#a7abb6 74%,#dcdfe7 100%);
  --font-display:"Orbitron","Rajdhani",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--onyx);color:var(--ink);
  font-family:var(--font-body);font-size:16.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    radial-gradient(1100px 600px at 88% -6%, rgba(255,69,0,.10), transparent 62%),
    radial-gradient(760px 520px at -8% 108%, rgba(122,15,0,.14), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:var(--ember);text-decoration:none}
svg{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---- Type ---- */
.display{font-family:var(--font-display);font-weight:800;letter-spacing:.02em;line-height:.98;
  background:var(--steel-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 1px rgba(0,0,0,.6));text-transform:uppercase}
.display .em{background:var(--glow);-webkit-background-clip:text;background-clip:text;color:transparent;filter:none}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;font-weight:700}
.eyebrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.34em;
  font-size:11px;font-weight:600;color:var(--ember)}
.kicker{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.2em;font-size:12px;
  font-weight:600;color:var(--ember)}
.tagline{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.42em;
  font-size:12px;color:var(--ink-dim);font-weight:500}
.tagline .em{color:var(--ember)}
.metal{background:var(--steel-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.orange{color:var(--ember)}
.hair{height:1px;background:var(--line);border:0}
.emberline{height:2px;width:100%;background:var(--glow);opacity:.9;border:0;box-shadow:0 0 18px rgba(255,69,0,.5)}

/* ---- Brand mark ---- */
.brand{display:flex;flex-direction:column;gap:2px;line-height:1}
.brand .t{font-family:var(--font-display);font-weight:800;font-size:23px;letter-spacing:.5em;
  padding-left:.5em;background:var(--steel-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .e{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.62em;
  padding-left:.62em;color:var(--ember)}
.brand.sm .t{font-size:19px}.brand.sm .e{font-size:11px}

/* ---- Nav ---- */
.nav{position:sticky;top:0;z-index:60;background:rgba(11,11,12,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--glow);opacity:.85}
.nav-in{display:flex;align-items:center;gap:26px;max-width:var(--maxw);margin:0 auto;padding:14px 32px;min-height:var(--nav-h)}
.nav-links{display:flex;gap:38px;margin-left:auto;align-items:center}
.nav-links a{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.16em;font-size:12.5px;
  font-weight:500;color:var(--ink-dim);padding:6px 0;position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ember)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--ember);box-shadow:0 0 10px var(--ember)}
.nav-search{color:var(--ink-dim);display:flex;align-items:center;gap:8px;font-family:var(--font-display);
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
.nav-search:hover{color:var(--ember)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--ink);border-radius:8px;padding:7px 10px;cursor:pointer}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:11px;font-family:var(--font-display);text-transform:uppercase;
  letter-spacing:.14em;font-size:12.5px;font-weight:600;padding:15px 26px;border:1px solid transparent;cursor:pointer;transition:.18s}
.btn .arw{transition:transform .18s}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--ember);color:#160800;box-shadow:0 0 26px rgba(255,69,0,.35)}
.btn-primary:hover{background:var(--amber);text-decoration:none}
.btn-outline{border-color:var(--ember);color:var(--ember);background:rgba(255,69,0,.04)}
.btn-outline:hover{background:rgba(255,69,0,.12);text-decoration:none}
.btn-ghost{border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-dim);text-decoration:none}

/* ---- Sections ---- */
section{position:relative}
.band{padding:76px 0;border-top:1px solid var(--line)}
.band.tight{padding:52px 0}
.sec-title{font-size:clamp(22px,3vw,32px);letter-spacing:.02em;text-transform:uppercase}
.sec-title.metal{background:var(--steel-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.underbar{width:60px;height:3px;background:var(--ember);margin-top:14px;box-shadow:0 0 14px rgba(255,69,0,.55)}

/* ---- Hero ---- */
.hero{position:relative;padding:70px 0 60px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.hero h1.display{font-size:clamp(40px,7vw,92px)}
.hero .sub{font-family:var(--font-display);text-transform:uppercase;font-weight:700;letter-spacing:.02em;
  font-size:clamp(22px,3.4vw,40px);margin-top:6px}
.hero .lede{color:var(--ink-dim);max-width:44ch;margin:26px 0 0;font-size:17px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-art{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}

/* ---- Panels / cards ---- */
.panel{background:var(--panel);border:1px solid var(--line);position:relative}
.panel.raise{background:linear-gradient(180deg,var(--panel-2),var(--panel))}
.card{background:var(--panel);border:1px solid var(--line);padding:26px;transition:.18s;position:relative}
.card:hover{border-color:var(--line-2)}
.card.lift:hover{transform:translateY(-3px);border-color:rgba(255,69,0,.5);box-shadow:0 20px 50px -30px rgba(255,69,0,.4)}
.card h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:9px}
.card p{margin:0;color:var(--ink-dim);font-size:14.5px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* value/step columns */
.cols4{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.cols4 .col{padding:26px 24px;border-left:1px solid var(--line)}
.cols4 .col:first-child{border-left:0}
.col .n{font-family:var(--font-display);font-weight:800;font-size:34px;color:var(--ember);line-height:1}
.col h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:15px;margin:12px 0 8px}
.col p{color:var(--ink-dim);font-size:14px;margin:0}

/* icon hexes */
.hexwrap{position:relative;width:64px;height:70px;display:grid;place-items:center;flex:0 0 auto}
.hexwrap::before{content:"";position:absolute;inset:0;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  background:linear-gradient(180deg,#5a5a64,#2a2a30);opacity:.9}
.hexwrap::after{content:"";position:absolute;inset:2.5px;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  background:linear-gradient(180deg,#151518,#0d0d0f)}
.hex{position:relative;z-index:2;width:100%;height:100%;display:grid;place-items:center;color:var(--ember-soft)}
.hex svg{filter:drop-shadow(0 0 5px rgba(255,90,30,.55))}
/* accent variant used on hero/CTA compass etc. */
.hexwrap.on::before{background:var(--glow);opacity:1}
.iconrow{display:flex;gap:34px;flex-wrap:wrap}
.iconrow .it{display:flex;flex-direction:column;gap:12px;max-width:200px}
.iconrow .it .lab{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;font-size:14px;color:var(--ink)}
.iconrow .it .sub{color:var(--ink-mute);font-size:13px}

/* meta rows (peptide detail) */
.metarow{display:flex;flex-wrap:wrap;gap:34px;margin-top:26px}
.metarow .m{display:flex;align-items:center;gap:14px}
.metarow .m .k{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--ink-mute)}
.metarow .m .v{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;font-size:14px;color:var(--ember)}
.metaline{display:grid;grid-template-columns:auto 1fr;gap:16px 20px;margin-top:26px;max-width:520px}
.metaline .k{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--ink-mute);align-self:center}
.metaline .v{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;font-size:14px;color:var(--ink);border-bottom:1px dashed var(--line-2);padding-bottom:8px}

/* tabs */
.tabbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0 0}
.tabbar button{background:none;border:0;border-left:1px solid var(--line);cursor:pointer;text-align:left;
  padding:20px 22px;display:flex;gap:12px;align-items:baseline;color:var(--ink-mute);font-family:var(--font-display);
  text-transform:uppercase;transition:.15s}
.tabbar button:first-child{border-left:0}
.tabbar button .tn{font-size:20px;font-weight:800;color:var(--ink-mute)}
.tabbar button .tl{font-size:12px;letter-spacing:.1em;font-weight:500}
.tabbar button:hover{color:var(--ink-dim)}
.tabbar button.active{color:var(--ember);box-shadow:inset 0 -3px 0 var(--ember)}
.tabbar button.active .tn,.tabbar button.active .tl{color:var(--ember)}
.tabpane{display:none;padding:36px 0 0}
.tabpane.active{display:block}

/* plain-english blocks */
.pe-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:26px}
.pe h4,.blk h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;font-size:14px;color:var(--ember);margin-bottom:16px;position:relative;padding-bottom:10px}
.pe h4::after,.blk h4::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--ember)}
.pe p{color:var(--ink-dim);font-size:15px;margin:0 0 14px}
.simple{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.simple li{display:flex;gap:13px;align-items:flex-start;color:var(--ink-dim);font-size:14.5px}
.simple li .d{color:var(--ember);flex:0 0 auto;margin-top:2px}
.simple.card-list{background:var(--panel);border:1px solid var(--line);padding:24px}

/* where it fits — hex flow */
.fits{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.fitshex{width:104px;min-height:104px;display:grid;place-items:center;text-align:center;padding:14px 10px;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  background:linear-gradient(180deg,#1b1b1f,#131315);border:0;font-family:var(--font-display);
  text-transform:uppercase;font-size:11px;letter-spacing:.05em;color:var(--ink-dim);line-height:1.25}
.fitshex.on{color:var(--ember);position:relative}
.fitshex.on::before{content:"";position:absolute;inset:0;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  border:2px solid var(--ember);pointer-events:none;box-shadow:0 0 18px rgba(255,69,0,.4)}
.fitshex.rel{background:#0f0f11;font-size:10px}
.fits .arw{color:var(--ember);font-size:18px}

/* function browse cards */
.fcard{background:var(--panel);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.fcard:hover{border-color:rgba(255,69,0,.5);transform:translateY(-3px)}
.fcard .ph{aspect-ratio:16/10;position:relative;overflow:hidden;background:#0e0e10}
.fcard .body{padding:22px}
.fcard h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:15px;margin-bottom:8px}
.fcard p{color:var(--ink-dim);font-size:13.5px;margin:0 0 14px;min-height:38px}
.plist{list-style:none;margin:0 0 16px;padding:14px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.plist li{color:var(--ink-dim);font-size:13.5px;display:flex;gap:9px;align-items:center;font-family:var(--font-display);letter-spacing:.02em}
.plist li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--ember)}
.viewlink{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;font-size:11.5px;color:var(--ember);display:inline-flex;gap:8px;align-items:center}

/* path diagram */
.path{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center;background:var(--panel);border:1px solid var(--line);padding:26px}
.path .lane h5{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.14em;font-size:12px;text-align:center;margin-bottom:16px}
.path .lane.oral h5{color:var(--ink-dim)}.path .lane.inj h5{color:var(--ember)}
.path .steps{display:flex;align-items:center;justify-content:center;gap:12px}
.path .node{text-align:center;max-width:130px}
.path .node .cap{font-size:11px;color:var(--ink-mute);margin-top:8px;line-height:1.3}
.path .vs{font-family:var(--font-display);color:var(--ink-mute);font-size:12px;text-align:center;border-left:1px solid var(--line);border-right:1px solid var(--line);padding:0 18px;align-self:stretch;display:grid;place-items:center}

/* banners */
.cta-band{border-top:1px solid var(--line);background:
  linear-gradient(90deg,rgba(122,15,0,.14),transparent 42%),var(--panel);padding:34px 0}
.cta-in{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.disclaimer-bar{border:1px solid var(--line);background:var(--panel);padding:16px 22px;display:flex;gap:14px;align-items:center;
  color:var(--ink-mute);font-size:13.5px}
.disclaimer-bar .ic{color:var(--ember);flex:0 0 auto}

/* footer */
footer{border-top:1px solid var(--line);background:#0d0d0e;padding:44px 0 40px;position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--glow);opacity:.5}
.foot-tag{text-align:center;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.4em;font-size:13px;color:var(--ink-dim)}
.foot-tag .em{color:var(--ember)}
.foot-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.foot-cols h5{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--ink);margin-bottom:10px}
.foot-cols p{color:var(--ink-mute);font-size:13px;margin:0}
.foot-legal{margin-top:26px;text-align:center;color:var(--ink-mute);font-size:12px}

/* particles / ember edge */
.embers{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.embers i{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--amber);opacity:.0;
  box-shadow:0 0 8px var(--ember);animation:rise 6s linear infinite}
@keyframes rise{0%{opacity:0;transform:translateY(20px)}12%{opacity:.9}100%{opacity:0;transform:translateY(-120px)}}
.relative{position:relative;z-index:1}

/* responsive */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .hero-art{min-height:260px;order:-1}
  .pe-grid{grid-template-columns:1fr}
  .cols4{grid-template-columns:1fr 1fr}
  .g4{grid-template-columns:1fr 1fr}
  .g3{grid-template-columns:1fr 1fr}
  .path{grid-template-columns:1fr}
  .path .vs{border:0;padding:10px 0}
  .foot-cols{grid-template-columns:1fr}
  .tabbar{grid-auto-flow:row;grid-auto-columns:auto}
  .tabbar button{border-left:0;border-top:1px solid var(--line)}
  .tabbar button:first-child{border-top:0}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#0d0d0e;border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .cols4,.g2,.g3,.g4{grid-template-columns:1fr}
  .band{padding:52px 0}
}