/* ============================================================
   LogiKey — styles
   Palette derived from the neon portal emblem.
   ============================================================ */
:root{
  --void:#020106;
  --bg:#07020B;
  --panel:#170234;
  --panel-2:#0D0B24;
  --panel-3:#0a0518;
  --blue:#1158BD;
  --cyan:#46E8FF;
  --uv:#8B3DFF;
  --magenta:#FF3DF2;
  --pink:#D012BC;
  --orange:#FF9A3D;
  --white:#F8F7FF;
  --text-2:#C5C2D8;
  --muted:#9894B3;

  --line:rgba(139,61,255,.22);
  --line-soft:rgba(70,232,255,.14);
  --focus:#46E8FF;

  --radius:18px;
  --radius-lg:26px;
  --maxw:1180px;
  --gap:clamp(1rem,3vw,2rem);

  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--font-body);
  font-size:clamp(1rem,.6vw + .9rem,1.075rem);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--white)}

/* backdrop: deep space wash, kept quiet */
body::before{
  content:"";
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 700px at 78% -8%,rgba(139,61,255,.22),transparent 60%),
    radial-gradient(900px 600px at 8% 12%,rgba(17,88,189,.20),transparent 62%),
    radial-gradient(1200px 900px at 50% 118%,rgba(255,61,242,.10),transparent 60%),
    var(--void);
}
body::after{
  content:"";
  position:fixed;inset:0;z-index:-1;
  background-image:
    linear-gradient(rgba(70,232,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(70,232,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}

/* ---------- layout ---------- */
.wrap{width:min(var(--maxw),92vw);margin-inline:auto}
.section{padding:clamp(3.5rem,7vw,6.5rem) 0;position:relative}
.section + .section{border-top:1px solid var(--line-soft)}
.section-head{max-width:52rem;margin:0 auto clamp(2rem,4vw,3rem);text-align:center}
.eyebrow{
  font-family:var(--font-body);
  font-weight:600;
  letter-spacing:.16em;
  font-size:.8rem;
  color:var(--cyan);
  margin:0 0 1rem;
}
h1,h2,h3{font-family:var(--font-display);color:var(--white);line-height:1.08;margin:0}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.12rem;font-weight:600;letter-spacing:.005em}
.lede{color:var(--text-2);font-size:clamp(1.02rem,1.2vw,1.15rem);margin:1rem auto 0;max-width:46rem}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,2,11,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.85rem 0;
}
.brand{display:flex;align-items:center;gap:.85rem;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:none;border-radius:12px;
  background:radial-gradient(circle at 50% 40%,rgba(139,61,255,.5),rgba(7,2,11,.9));
  border:1px solid var(--line);
  display:grid;place-items:center;
  box-shadow:0 0 22px rgba(139,61,255,.35);
  overflow:hidden;
}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-family:var(--font-display);font-weight:700;color:var(--white);
  font-size:1.02rem;letter-spacing:.02em;white-space:nowrap;
}
.brand-tag{font-size:.72rem;color:var(--muted);letter-spacing:.04em}

.nav-links{display:flex;align-items:center;gap:.35rem}
.nav-links a{
  color:var(--text-2);font-weight:500;font-size:.95rem;
  padding:.5rem .85rem;border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--white);background:rgba(70,232,255,.08)}
.nav-links a.is-active{color:var(--cyan)}

.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  border-radius:10px;width:44px;height:44px;cursor:pointer;
  color:var(--white);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:20px;height:2px;background:currentColor;
  border-radius:2px;margin:0 auto;position:relative;transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-body);font-weight:600;font-size:.98rem;
  padding:.8rem 1.4rem;border-radius:12px;cursor:pointer;
  border:1px solid transparent;transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.btn-primary{
  color:#04010a;
  background:linear-gradient(135deg,var(--cyan),var(--uv));
  box-shadow:0 0 0 1px rgba(70,232,255,.35),0 12px 34px -14px rgba(139,61,255,.9);
}
.btn-primary:hover{transform:translateY(-2px);color:#04010a;box-shadow:0 0 0 1px rgba(70,232,255,.6),0 18px 44px -16px rgba(139,61,255,1)}
.btn-ghost{
  color:var(--white);
  background:rgba(23,2,52,.5);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--white);border-color:var(--cyan);background:rgba(70,232,255,.08)}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(3rem,6vw,5rem)}
.hero-inner{position:relative;text-align:center;max-width:56rem;margin-inline:auto}
.hero-portal{
  position:absolute;left:50%;top:clamp(-40px,-2vw,-10px);transform:translateX(-50%);
  width:min(560px,88vw);aspect-ratio:1;z-index:-1;
  opacity:.5;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle,#000 34%,transparent 68%);
  mask-image:radial-gradient(circle,#000 34%,transparent 68%);
  filter:saturate(1.05);
}
.hero-portal img{width:100%;height:100%;object-fit:contain}
.hero h1{
  font-size:clamp(2.4rem,6vw,4.35rem);font-weight:800;letter-spacing:-.02em;
  margin:1rem 0 0;color:var(--white);
}
.hero h1 .accent{
  background:linear-gradient(120deg,var(--cyan) 20%,var(--uv) 65%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-flow{
  margin:1.2rem auto 0;color:var(--text-2);font-size:clamp(1rem,1.4vw,1.2rem);
  max-width:42rem;
}
.hero-cta{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}

/* ---------- cards grid ---------- */
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(3,1fr)}
.card{
  background:linear-gradient(180deg,var(--panel-2),var(--panel-3));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.6rem 1.5rem;
  display:flex;flex-direction:column;gap:.6rem;
  position:relative;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(160deg,rgba(70,232,255,.35),transparent 45%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.card p{margin:0;color:var(--text-2)}
.card-index{
  font-family:var(--font-display);font-weight:700;font-size:.9rem;
  letter-spacing:.06em;color:var(--cyan);
}
.card h3{color:var(--white)}

/* path cards carry a status footer */
.path{justify-content:space-between}
.path-body{display:flex;flex-direction:column;gap:.55rem}
.status{
  display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;
  margin-top:1rem;padding:.4rem .7rem;border-radius:999px;
  font-family:var(--font-body);font-weight:600;font-size:.75rem;letter-spacing:.03em;
  border:1px solid;line-height:1.3;
}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.status-warn{color:var(--orange);border-color:rgba(255,154,61,.4);background:rgba(255,154,61,.08)}
.status-off{color:var(--muted);border-color:rgba(152,148,179,.35);background:rgba(152,148,179,.07)}
.status-preview{color:var(--cyan);border-color:rgba(70,232,255,.4);background:rgba(70,232,255,.08)}

/* ---------- systems fit ---------- */
.systems{
  background:linear-gradient(180deg,var(--panel-2),var(--panel-3));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3vw,2.4rem);max-width:60rem;margin:0 auto;
}
.systems dl{margin:0;display:grid;gap:.1rem}
.system-row{
  display:grid;grid-template-columns:190px 1fr;gap:1rem;
  padding:1rem .25rem;align-items:baseline;
}
.system-row + .system-row{border-top:1px solid var(--line-soft)}
.system-row dt{font-family:var(--font-display);font-weight:600;color:var(--cyan);font-size:1rem}
.system-row dd{margin:0;color:var(--text-2)}
.flowbar{
  max-width:60rem;margin:1.4rem auto 0;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(17,88,189,.10);
  padding:1rem 1.4rem;text-align:center;
  color:var(--text-2);font-weight:500;
}
.flowbar .step{color:var(--cyan)}
.flowbar .arrow{color:var(--muted);padding:0 .35rem}

/* ---------- how it works progression ---------- */
.progression{
  background:linear-gradient(180deg,var(--panel-2),var(--panel-3));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(1.8rem,4vw,3rem);max-width:60rem;margin:0 auto;text-align:center;
}
.progression h3{color:var(--white);letter-spacing:.04em;margin-bottom:1.1rem}
.prog-flow{font-size:clamp(1.05rem,1.8vw,1.35rem);font-weight:600;margin:0 0 1.2rem}
.prog-flow .step{color:var(--cyan)}
.prog-flow .arrow{color:var(--muted);padding:0 .3rem}
.progression p{color:var(--text-2);margin:0 auto;max-width:40rem}
.usecases{
  max-width:58rem;margin:clamp(2rem,4vw,3rem) auto 0;text-align:center;
  color:var(--muted);
}

/* ---------- pilot form ---------- */
.form-shell{max-width:44rem;margin:0 auto}
.form-grid{display:grid;gap:1.1rem}
.field{display:grid;gap:.45rem}
.field label{font-weight:600;color:var(--white);font-size:.95rem}
.field .req{color:var(--magenta)}
.field input,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--white);
  background:rgba(2,1,6,.6);
  border:1px solid var(--line);border-radius:12px;
  padding:.8rem .9rem;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(70,232,255,.18);
}
.field textarea{min-height:120px;resize:vertical}
.check{display:flex;gap:.65rem;align-items:flex-start;color:var(--text-2);font-size:.95rem}
.check input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--cyan);flex:none}
.form-actions{display:flex;justify-content:flex-end;margin-top:.4rem}
.form-note{
  margin-top:1.2rem;font-size:.85rem;color:var(--muted);
  border:1px dashed var(--line);border-radius:12px;padding:.7rem .9rem;
}
.form-status{margin-top:1rem;font-size:.95rem;color:var(--cyan);min-height:1.4em}

/* ---------- responsible visibility strip ---------- */
.visibility{
  text-align:center;
  background:linear-gradient(180deg,rgba(23,2,52,.5),rgba(13,11,36,.5));
}
.visibility .eyebrow{color:var(--orange)}
.visibility p{max-width:52rem;margin:1rem auto 0;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--panel-3);padding:clamp(2.5rem,5vw,4rem) 0 2.5rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem}
.footer-brand .brand-name{font-size:1.1rem;letter-spacing:.05em}
.footer-col h4{
  font-family:var(--font-display);color:var(--white);font-size:.95rem;
  letter-spacing:.06em;margin:0 0 1rem;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-col a,.footer-col p{color:var(--text-2);margin:0}
.footer-brand p{color:var(--muted);max-width:26rem;margin:.9rem 0 0}
.footer-bottom{
  margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;justify-content:space-between;
  color:var(--muted);font-size:.85rem;
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid{grid-template-columns:1fr}
  .system-row{grid-template-columns:1fr;gap:.2rem;padding:1rem 0}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .nav-links{
    position:fixed;inset:0 0 auto;top:69px;
    flex-direction:column;align-items:stretch;gap:.25rem;
    background:rgba(7,2,11,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:1rem 6vw 1.4rem;
    transform:translateY(-140%);transition:transform .28s ease;
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.9rem 1rem;font-size:1.05rem;border-radius:12px}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:560px){
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%;justify-content:center}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}
.skip-link{
  position:absolute;left:-999px;top:0;z-index:100;
  background:var(--cyan);color:#04010a;font-weight:700;
  padding:.7rem 1rem;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}