/* =========================================================
   jCypher · Concept 09 "Crest"
   Stately enterprise — deep navy, square corners, gravitas
   ========================================================= */
:root{
  --navy:#0B2C6F;
  --navy-deep:#081F4E;
  --blue:#2D5BD7;
  --blue-bright:#4F7DF0;
  --sky:#D7E3FA;
  --paper:#FFFFFF;
  --gray:#F3F6FB;
  --ink:#13233F;
  --slate:#4A5B78;
  --muted:#71809C;
  --line:#DCE3F0;
  --font:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.container{max-width:1140px;margin:0 auto;padding:0 28px}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

h1,h2,h3{letter-spacing:-.015em;line-height:1.15;font-weight:600}
h1{font-size:clamp(2.2rem,4.8vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.3rem)}

.over{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);margin-bottom:16px;
}
.over-light{color:var(--sky)}

/* ---------- buttons ---------- */
.btn-solid{
  display:inline-block;text-decoration:none;cursor:pointer;
  background:var(--navy);color:#fff;font-weight:600;font-size:.95rem;
  padding:.85rem 1.8rem;border:1.5px solid var(--navy);border-radius:0;
  font-family:var(--font);
  transition:background .2s,border-color .2s,transform .2s;
}
.btn-solid:hover{background:var(--blue);border-color:var(--blue);transform:translateY(-1px)}
.btn-invert{background:#fff;color:var(--navy);border-color:#fff}
.btn-invert:hover{background:var(--sky);border-color:var(--sky);color:var(--navy)}
.btn-line{
  display:inline-block;text-decoration:none;font-weight:600;font-size:.95rem;
  color:var(--navy);border:1.5px solid var(--navy);border-radius:0;
  padding:.85rem 1.8rem;
  transition:background .2s,color .2s;
}
.btn-line:hover{background:var(--navy);color:#fff}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{
  display:inline-flex;align-items:baseline;gap:5px;
  font-weight:700;font-size:1.15rem;text-decoration:none;letter-spacing:-.01em;
}
.brand-sq{width:8px;height:8px;background:var(--blue);display:inline-block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{text-decoration:none;font-size:.9rem;font-weight:500;color:var(--slate);transition:color .2s}
.nav-links a:hover{color:var(--navy)}
.nav-cta{color:var(--blue) !important;font-weight:600 !important}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .3s,opacity .3s}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:#fff;padding:90px 0 96px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero .over{color:var(--sky)}
.hero .lede{font-size:1.1rem;color:#C4D3F0;max-width:50ch;margin:20px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-solid{background:#fff;border-color:#fff;color:var(--navy)}
.hero .btn-solid:hover{background:var(--sky);border-color:var(--sky)}
.hero .btn-line{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-line:hover{background:rgba(255,255,255,.12);color:#fff}

/* hero geometric art */
.hero-art{display:flex;justify-content:center}
.art-frame{position:relative;width:min(330px,100%);aspect-ratio:1}
.art-sq{position:absolute;border:1.5px solid rgba(255,255,255,.35)}
.sq1{inset:0}
.sq2{inset:36px;border-color:rgba(122,158,235,.6)}
.sq3{inset:72px;background:var(--blue);border:0}
.art-chip{
  position:absolute;left:-24px;bottom:22px;
  background:#fff;color:var(--ink);padding:18px 22px;
  display:grid;gap:2px;box-shadow:0 18px 44px rgba(4,12,36,.4);
}
.ac-num{font-weight:700;font-size:1.7rem;color:var(--navy);letter-spacing:-.02em}
.ac-cap{font-size:.76rem;color:var(--muted);max-width:20ch}

/* ---------- trust bar ---------- */
.trustbar{border-bottom:1px solid var(--line);background:#fff}
.trustbar-inner{display:flex;align-items:center;gap:34px;padding:18px 28px;flex-wrap:wrap}
.tb-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.tb-logos{display:flex;gap:34px;flex-wrap:wrap}
.tb-logos b{font-weight:600;font-size:.98rem;color:#A9B6CF}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-gray{background:var(--gray)}
.sec-head{max-width:640px;margin-bottom:50px}

/* capabilities */
.cap-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.cap{
  padding:32px 28px 36px;position:relative;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .25s;
}
.cap::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:3px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;
  transition:transform .35s;
}
.cap:hover{background:#FAFBFE}
.cap:hover::before{transform:scaleX(1)}
.cap h3{font-size:1.08rem;margin-bottom:10px}
.cap p{font-size:.91rem;color:var(--slate);margin-bottom:18px}
.cap-link{font-size:.88rem;font-weight:600;color:var(--blue)}

/* ---------- impact ---------- */
.impact{background:var(--navy-deep);color:#fff;padding:88px 0}
.impact h2{color:#fff}
.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-left:1px solid rgba(215,227,250,.2)}
.imp{padding:10px 30px 6px;border-right:1px solid rgba(215,227,250,.2)}
.imp-num{
  display:block;font-weight:700;font-size:clamp(2.1rem,4vw,3rem);letter-spacing:-.02em;
  color:var(--blue-bright);
}
.imp-cap{font-size:.86rem;color:#AFC2E8}

/* ---------- approach ---------- */
.approach-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:start}
.app-note{color:var(--slate);margin:16px 0 28px;max-width:44ch}
.stages{list-style:none;counter-reset:st;border-top:2px solid var(--navy)}
.stages li{
  counter-increment:st;
  display:grid;grid-template-columns:56px 1fr;gap:4px 18px;align-items:baseline;
  padding:22px 4px;border-bottom:1px solid var(--line);
}
.stages li::before{
  content:"0" counter(st);
  grid-row:span 2;
  font-family:var(--mono);font-size:.85rem;color:var(--blue);
}
.stages strong{font-size:1.05rem;font-weight:600}
.stages span{grid-column:2;font-size:.9rem;color:var(--slate)}

/* ---------- results ---------- */
.results{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);
  padding:28px 26px;display:flex;flex-direction:column;gap:18px;
  transition:transform .25s,box-shadow .25s;
}
.res:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(11,44,111,.12)}
.res-top{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);
}
.res blockquote{font-size:.98rem;line-height:1.65}
.res figcaption{margin-top:auto;font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}

/* ---------- CTA ---------- */
.cta{background:var(--navy);color:#fff;padding:80px 0}
.cta-inner{
  display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;
}
.cta h2{color:#fff;margin-bottom:12px}
.cta p{color:#C4D3F0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:220px;padding:.85rem 1.2rem;border-radius:0;border:1.5px solid rgba(255,255,255,.4);
  background:transparent;color:#fff;font:inherit;font-size:.94rem;
}
.cta-form input::placeholder{color:rgba(255,255,255,.45)}
.cta-form input:focus{outline:none;border-color:#fff}

/* ---------- footer ---------- */
.footer{background:#fff;border-top:1px solid var(--line)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;
  padding:50px 28px 34px;
}
.f-blurb{margin-top:14px;font-size:.9rem;color:var(--muted)}
.f-col{display:grid;gap:10px;align-content:start}
.f-col h4{font-size:.9rem;font-weight:600;margin-bottom:4px}
.f-col a{text-decoration:none;font-size:.9rem;color:var(--slate);transition:color .2s}
.f-col a:hover{color:var(--blue)}
.footer-base{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:18px 28px;border-top:1px solid var(--line);
  font-size:.8rem;color:var(--muted);
}

/* ---------- concept switcher ---------- */
.switcher{
  position:fixed;bottom:22px;right:22px;z-index:60;
  display:flex;gap:4px;padding:6px;
  background:var(--navy-deep);border-radius:999px;
  box-shadow:0 12px 32px rgba(8,31,78,.4);
}
.switcher a{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  color:#8FA6D6;text-decoration:none;font-weight:600;font-size:.8rem;
  transition:background .2s,color .2s;
}
.switcher a:hover{background:rgba(255,255,255,.12);color:#fff}
.switcher a.active{background:var(--blue);color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;transition-duration:.001s !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .hero-art{justify-content:flex-start}
  .approach-grid{grid-template-columns:1fr;gap:44px}
  .cap-grid{grid-template-columns:1fr 1fr}
  .results{grid-template-columns:1fr;max-width:620px}
  .impact-grid{grid-template-columns:1fr 1fr;row-gap:34px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:66px 0 auto 0;z-index:49;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 36px rgba(11,44,111,.12);
    max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .nav-links.open{max-height:400px}
  .nav-links a{padding:16px 28px;border-top:1px solid var(--line)}
  .section,.impact{padding:62px 0}
  .hero{padding:64px 0 72px}
  .art-chip{left:0}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .cap-grid{grid-template-columns:1fr}
  .impact-grid{grid-template-columns:1fr;border-left:0}
  .imp{border-right:0;border-left:1px solid rgba(215,227,250,.2)}
  .footer-grid{grid-template-columns:1fr}
  .switcher{bottom:14px;right:14px;gap:3px}
  .switcher a{width:28px;height:28px;font-size:.74rem}
}