/* ============================================================
   Power 3D — design tokens
   ============================================================ */
:root{
  --navy-900:#0A1B33;
  --navy-800:#0F2440;
  --navy-700:#153355;
  --navy-600:#1B4F91;
  --blue-500:#2C6FC7;
  --orange-600:#D9650F;
  --orange-500:#F0781E;
  --orange-400:#F79448;
  --paper:#F5F6F9;
  --paper-dim:#ECEEF3;
  --white:#FFFFFF;
  --ink:#0E1420;
  --ink-soft:#3C4658;
  --steel-500:#8A93A3;
  --steel-300:#C7CDD8;
  --steel-200:#E1E4EA;
  --line:#DCE0E8;

  --font-display:'Big Shoulders', 'Arial Narrow', sans-serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  --container:1180px;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:18px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--font-display); font-weight:700; letter-spacing:0.01em; }
p{ margin:0; }
button{ font-family:inherit; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

:focus-visible{
  outline:2px solid var(--orange-500);
  outline-offset:3px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--orange-500);
  font-weight:600;
}
.eyebrow.on-dark{ color:var(--orange-400); }
.eyebrow.on-light-steel{ color:var(--steel-500); }

.section{ padding:88px 0; }
.section.tight{ padding:56px 0; }
.section.dark{ background:var(--navy-900); color:var(--white); }
.section.paper{ background:var(--paper); }

.h-xl{ font-size:clamp(38px,5.4vw,64px); line-height:1.04; }
.h-lg{ font-size:clamp(30px,3.6vw,44px); line-height:1.08; }
.h-md{ font-size:clamp(22px,2.4vw,28px); line-height:1.2; }

.lede{
  font-size:19px;
  line-height:1.6;
  color:var(--ink-soft);
  max-width:640px;
}
.section.dark .lede{ color:var(--steel-300); }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--orange-500); color:var(--white); }
.btn-primary:hover{ background:var(--orange-600); }
.btn-ghost-dark{ border-color:rgba(255,255,255,.35); color:var(--white); }
.btn-ghost-dark:hover{ border-color:#fff; background:rgba(255,255,255,.08); }
.btn-ghost-light{ border-color:var(--navy-600); color:var(--navy-600); }
.btn-ghost-light:hover{ background:var(--navy-600); color:#fff; }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,27,51,0.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:36px; height:36px; border-radius:8px; }
.brand-word{
  font-family:var(--font-display);
  font-size:20px;
  color:#fff;
  letter-spacing:0.02em;
  font-weight:700;
}
.nav-links{
  display:flex; align-items:center; gap:34px;
}
.nav-links a{
  color:var(--steel-300);
  font-size:14.5px;
  font-weight:500;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.nav-links a:hover, .nav-links a.active{
  color:#fff;
  border-bottom-color:var(--orange-500);
}
.nav-cta{ display:flex; align-items:center; gap:22px; }
.nav-toggle{
  display:none;
  background:none; border:none; color:#fff; font-size:24px; cursor:pointer;
}

@media (max-width:860px){
  .nav-links{
    position:fixed; inset:64px 0 0 0; background:var(--navy-900);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:12px 28px 28px;
    transform:translateY(-8px);
    opacity:0; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-links a{ width:100%; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.08); }
  .nav-cta .btn-primary{ display:none; }
  .nav-toggle{ display:block; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{
  background:var(--navy-900); color:var(--steel-300);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-word{ font-size:20px; }
.footer-brand p{ margin-top:14px; color:var(--steel-500); font-size:14.5px; max-width:280px; }
.footer-col h4{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--steel-500); margin-bottom:14px; font-weight:600;
}
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ font-size:14.5px; color:var(--steel-300); }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; font-size:13px; color:var(--steel-500); flex-wrap:wrap; gap:10px;
}
@media (max-width:760px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

/* ============================================================
   Shared components
   ============================================================ */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
@media (max-width:860px){
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
}

.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:30px;
}
.card-dark{
  background:var(--navy-800);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);
  padding:30px;
  color:#fff;
}
.card h3{ font-size:20px; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:15px; }
.card-dark p{ color:var(--steel-300); font-size:15px; }

.icon-badge{
  width:46px; height:46px; border-radius:12px;
  background:rgba(240,120,30,0.12);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.icon-badge svg{ width:24px; height:24px; }

/* spec sheet */
.spec-sheet{
  font-family:var(--font-mono);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.spec-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.spec-row:last-child{ border-bottom:none; }
.spec-row .k{ color:var(--ink-soft); letter-spacing:.02em; }
.spec-row .v{ color:var(--navy-600); font-weight:600; font-size:15px; }
.section.dark .spec-sheet{ border-color:rgba(255,255,255,.14); }
.section.dark .spec-row{ border-color:rgba(255,255,255,.1); }
.section.dark .spec-row .k{ color:var(--steel-300); }
.section.dark .spec-row .v{ color:var(--orange-400); }

/* numbered steps */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width:860px){ .steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .steps{ grid-template-columns:1fr; } }
.step .num{
  font-family:var(--font-mono); font-size:13px; color:var(--orange-500);
  border:1px solid var(--orange-500); border-radius:999px;
  width:28px;height:28px; display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.step h4{ font-size:17px; margin-bottom:8px; }
.step p{ font-size:14.5px; color:var(--ink-soft); }

/* credibility strip */
.credibility{
  display:flex; flex-wrap:wrap; gap:14px 34px; align-items:center; justify-content:center;
}
.credibility .pill{
  font-family:var(--font-mono); font-size:13px; color:var(--steel-300);
  border:1px solid rgba(255,255,255,.18); padding:9px 16px; border-radius:999px;
}

/* CTA banner */
.cta-banner{
  background:var(--navy-900);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:56px;
  display:flex; align-items:center; justify-content:space-between; gap:32px;
  flex-wrap:wrap;
}
.cta-banner h3{ font-size:clamp(24px,3vw,32px); max-width:520px; }

/* page hero (non-home) */
.page-hero{
  background:var(--navy-900); color:#fff; padding:76px 0 64px;
}
.page-hero .eyebrow{ margin-bottom:14px; }
.page-hero p.lede{ margin-top:16px; }

/* utility */
.mt-8{margin-top:8px;} .mt-12{margin-top:12px;} .mt-16{margin-top:16px;}
.mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;} .mt-64{margin-top:64px;}
.text-center{text-align:center;}
.center-col{ max-width:680px; margin:0 auto; text-align:center; }