:root{
  --black:#0a0a0a;
  --ink:#141414;
  --navy:#142438;
  --navy-deep:#0e1a2a;
  --orange:#E67A2F;
  --orange-bright:#ED7B2F;
  --cream:#FAF4EC;
  --paper:#F4EEE4;
  --rule:#1f1f1f;
  --muted:#8a8a8a;
  --muted-light:#606060;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  font-weight:400;line-height:1.55;color:#111;
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  display:flex;flex-direction:column;
}
main{flex:1}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(10,10,10,.94);
  backdrop-filter:blur(10px);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:1400px;margin:0 auto;padding:16px 32px;
  display:flex;align-items:center;gap:32px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.01em;font-size:14px}
.brand-mark{
  width:22px;height:22px;border-radius:50%;
  background:var(--orange);display:inline-block;position:relative;
  box-shadow:inset 0 0 0 2px #0a0a0a, 0 0 0 1px var(--orange);
}
.brand-mark::after{
  content:"";position:absolute;inset:4px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#ff9a52,#c45619);
}
.brand small{display:block;font-weight:400;color:#bbb;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-top:1px}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-link{
  position:relative;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:500;
  color:#bbb;
  padding:10px 18px;border-radius:999px;
  transition:color .15s, background .15s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.current{
  color:#fff;
  background:rgba(230,122,47,.18);
  box-shadow:inset 0 0 0 1px rgba(230,122,47,.45);
}
.nav-link .step{
  display:inline-block;margin-right:8px;
  color:var(--orange);font-weight:600;font-variant-numeric:tabular-nums;
  opacity:.8;
}
.nav-link.current .step{opacity:1}
@media(max-width:820px){
  .nav-inner{gap:16px;padding:14px 20px}
  .nav-links{gap:2px}
  .nav-link{padding:8px 10px;font-size:11.5px;letter-spacing:.05em}
  .nav-link .step{display:none}
  .brand small{display:none}
}

/* ---------- shared elements ---------- */
.section-label{
  font-size:11.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--muted-light);font-weight:600;
  display:inline-flex;align-items:center;gap:14px;
}
.section-label::before{
  content:"";width:40px;height:1px;background:var(--orange);
}
.section-label.on-dark{color:#9a9a9a}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;
  transition:transform .15s ease, background .15s, border-color .15s;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#d86c22;transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.22);color:#fff}
.btn-ghost:hover{border-color:#fff;transform:translateY(-1px)}
.btn-dark{background:#111;color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-outline{border:1px solid #222;color:#111}
.btn-outline:hover{background:#111;color:#fff}
.btn svg{width:14px;height:14px}

/* ---------- page footer / next ---------- */
.page-next{
  padding:48px 32px;
  background:var(--navy);color:#fff;
  border-top:1px solid rgba(255,255,255,.05);
}
.page-next-inner{
  max-width:1200px;margin:0 auto;
  display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;
}

footer.site{
  background:var(--black);color:#777;
  padding:28px 32px;text-align:center;
  font-size:12.5px;letter-spacing:.04em;
}
footer.site .arrow{display:inline-block;width:14px;height:1px;background:#555;margin:0 10px;vertical-align:middle}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}