/* Cognostrix — "classic" variant: faithful to the existing live site design
   Dark navy heroes + glacier glow · gold pill CTAs · cream sections · serif headings */
:root{
  --navy:#0d1b2a; --navy-2:#0a1520; --slate:#1a2f4a; --glacier:#4a9eff; --ice:#8ab4f8;
  --sky:#a8c5e8; --gold:#c9a96e; --gold-light:#d4b67d; --cream:#f5f0e8; --warm:#e8dcc8;
  --ink:#1a1a1a; --ink-mid:#4a4a4a; --ink-light:#8a8a8a; --line:#e0e6ed;
  --sans:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --serif:'DM Serif Display',Georgia,'Times New Roman',serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.7;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.1;color:var(--navy);letter-spacing:.2px}
h1{font-size:clamp(2.4rem,5.4vw,4.5rem);line-height:1.05}
h2{font-size:clamp(1.9rem,3.6vw,2.6rem)}
h3{font-size:1.25rem}
p{color:var(--ink-mid)}
em{font-style:italic;color:var(--ice)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-weight:600;font-size:.75rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);margin-bottom:22px;display:inline-block}
.lead{font-size:1.15rem;color:var(--ink-mid);max-width:60ch}
.muted{color:var(--ink-light)}

/* buttons — pill, uppercase, gold primary */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;
  padding:15px 38px;border-radius:9999px;transition:.22s ease;border:1px solid transparent}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-light);transform:scale(1.04)}
.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--slate)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}.center .btn-row{justify-content:center}

/* nav — transparent over hero, navy+blur on scroll */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:18px 0;transition:.25s}
header.nav.scrolled{background:rgba(13,27,42,.95);backdrop-filter:blur(12px);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.85rem;font-weight:500;color:rgba(255,255,255,.72);transition:.15s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
.nav-cta{color:var(--navy)!important}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* hero — dark navy gradient + glacier glow */
.hero{position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(180deg,#0d1b2a 0%,#0a1520 68%,#1a2f4a 100%);
  padding:190px 24px 120px}
.hero::before{content:"";position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);
  width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,158,255,.13) 0%,transparent 70%);z-index:0}
.hero .container{position:relative;z-index:1}
.hero .eyebrow{color:var(--gold)}
.hero h1{color:#fff;max-width:18ch;margin:0 auto 22px}
.hero .lead{color:var(--sky);font-size:1.18rem;max-width:60ch;margin:0 auto}
.hero .btn-row{justify-content:center}
.hero.short{padding:170px 24px 90px}

/* sections */
section{padding:100px 0}
section.tight{padding:72px 0}
.section-cream{background:var(--cream)}
.section-dark{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(180deg,#0d1b2a 0%,#1a2f4a 100%)}
.section-dark h1,.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:var(--sky)}
.section-dark .eyebrow{color:var(--gold)}
.s-head{max-width:64ch;margin-bottom:52px}
.s-head.center{margin-left:auto;margin-right:auto;text-align:center}
.s-head .lead{margin-top:14px}
.s-head.center .lead{margin-left:auto;margin-right:auto}

/* proof strip — cream with icon circles */
.proof{background:var(--cream);padding:56px 0}
.proof .container{display:flex;flex-wrap:wrap;justify-content:center;gap:46px}
.proof-item{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:210px}
.proof-ic{width:46px;height:46px;border-radius:50%;background:var(--navy);display:flex;
  align-items:center;justify-content:center;margin-bottom:14px}
.proof-ic svg{width:22px;height:22px;fill:var(--gold)}
.proof-item strong{font-size:.95rem;color:var(--ink);font-weight:700;line-height:1.4}
.proof-item span{font-size:.8rem;color:var(--ink-light);font-style:italic;margin-top:3px}

/* cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;
  transition:transform .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(13,27,42,.08)}
.card-ic{width:48px;height:48px;border-radius:50%;background:var(--navy);display:flex;
  align-items:center;justify-content:center;margin-bottom:16px;font-family:var(--mono);
  font-weight:600;color:var(--gold);font-size:.95rem}
.card-ic svg{width:20px;height:20px;fill:var(--gold)}
.card h3{font-family:var(--serif);font-size:1.2rem;color:var(--navy);margin-bottom:10px}
.card p{font-size:.95rem;color:var(--ink-light)}
.section-cream .card{background:#fff}
.section-dark .card{background:var(--slate);border-color:rgba(255,255,255,.1)}
.section-dark .card h3{color:#fff}.section-dark .card p{color:var(--sky)}

/* split — dark left, light right */
.split{display:grid;grid-template-columns:1fr 1fr;min-height:460px;border-radius:20px;overflow:hidden;
  border:1px solid var(--line)}
.split .dark{background:linear-gradient(135deg,#0d1b2a,#1a2f4a);color:#fff;display:flex;
  flex-direction:column;justify-content:center;padding:56px;position:relative;overflow:hidden}
.split .dark::before{content:"";position:absolute;top:-40%;right:-20%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,158,255,.15),transparent 70%)}
.split .dark *{position:relative;z-index:1}
.split .dark h2,.split .dark h3{color:#fff}.split .dark p{color:var(--sky)}
.split .light{background:#fff;display:flex;flex-direction:column;justify-content:center;padding:56px}
.split .light h2{color:var(--navy)}
.split.media .light{padding:0}.split.media img{width:100%;height:100%;object-fit:cover}

/* checklist */
.checklist{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px;margin-top:24px}
.checklist li{position:relative;padding-left:30px;font-size:.98rem;color:var(--ink-mid)}
.checklist li::before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--gold);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/12px no-repeat}
.section-dark .checklist li{color:var(--sky)}

/* steps */
.steps{display:grid;gap:16px}
.step{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.step .n{width:52px;height:52px;border-radius:50%;background:var(--navy);color:var(--gold);
  font-family:var(--mono);font-weight:600;display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.step h3{font-family:var(--serif);font-size:1.15rem;margin-bottom:6px}
.step p{font-size:.95rem;color:var(--ink-light)}

/* table */
.tbl{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.tbl th,.tbl td{text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);font-size:.97rem}
.tbl th{background:var(--cream);font-weight:700;color:var(--navy);width:210px;font-family:var(--sans)}
.tbl td{color:var(--ink-mid)}.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}

/* values */
.values{display:grid;border-top:1px solid var(--line)}
.value{display:grid;grid-template-columns:240px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.value h3{font-family:var(--serif);font-size:1.2rem;color:var(--navy)}
.value p{font-size:.98rem;color:var(--ink-mid)}

/* note / disclaimer */
.note{background:var(--cream);border-left:3px solid var(--gold);padding:18px 22px;border-radius:0 12px 12px 0;
  font-size:.92rem;color:var(--ink-mid);margin-top:28px}

/* faq */
.faq-item{border-bottom:1px solid var(--line);padding:26px 0}
.faq-item h3{font-family:var(--serif);font-size:1.25rem;margin-bottom:8px;color:var(--navy)}
.faq-item p{font-size:.98rem;color:var(--ink-mid)}

/* big CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:24px;text-align:center;padding:80px 48px;
  background:linear-gradient(135deg,#0d1b2a 0%,#1a2f4a 100%);color:#fff}
.cta-band::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(74,158,255,.14),transparent 70%)}
.cta-band *{position:relative;z-index:1}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:var(--sky);max-width:54ch;margin:0 auto 8px}

/* contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}
.channel{padding:18px 0;border-bottom:1px solid var(--line)}
.channel .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.channel .v{font-size:1.05rem;color:var(--navy);font-weight:500;margin-top:4px}
form .field{margin-bottom:18px}
form label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:6px}
form input,form select,form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:10px;font-family:var(--sans);font-size:.95rem;background:#fff;color:var(--ink)}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(201,169,110,.18)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-foot{font-size:.8rem;color:var(--ink-light);margin-top:14px}

/* legal */
.legal{max-width:820px}.legal h2{font-size:1.5rem;margin:38px 0 12px}
.legal h3{font-family:var(--sans);font-weight:700;font-size:1.1rem;margin:24px 0 8px;color:var(--navy)}
.legal h4{font-family:var(--sans);font-weight:700;font-size:1rem;margin:18px 0 6px;color:var(--navy)}
.legal p{margin-bottom:14px;font-size:.98rem}.legal ul{margin:0 0 14px 22px}
.legal li{margin-bottom:7px;font-size:.98rem;color:var(--ink-mid)}
.legal a{color:var(--gold)}
.legal .callout{background:var(--cream);border-left:3px solid var(--gold);padding:16px 20px;border-radius:0 8px 8px 0;margin:18px 0;font-size:.95rem}
.legal table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:14px 0;font-size:.92rem}
.legal th,.legal td{text-align:left;padding:11px 15px;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{background:var(--cream);font-weight:700;color:var(--navy)}.legal td{color:var(--ink-mid)}

/* footer */
footer{background:var(--navy);color:#fff;padding:64px 0 30px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand img{height:30px;margin-bottom:16px}
.foot-brand p{color:rgba(168,197,232,.7);font-size:.9rem;max-width:34ch}
.foot-col h4{font-family:var(--sans);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-weight:700}
.foot-col a{display:block;color:var(--sky);font-size:.9rem;padding:5px 0;transition:.15s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;gap:10px;flex-wrap:wrap}
.foot-bottom p{color:rgba(168,197,232,.6);font-size:.82rem}

/* responsive */
@media(max-width:880px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:rgba(13,27,42,.97);backdrop-filter:blur(12px);
    flex-direction:column;align-items:flex-start;gap:0;padding:12px 24px 24px;display:none}
  .nav-links.open{display:flex}.nav-links a{padding:12px 0;width:100%}.nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4,.split,.contact-grid,.field-row,.foot-top{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}.value{grid-template-columns:1fr;gap:6px}.tbl th{width:auto}
  .hero{padding:150px 24px 90px}.section-cream,section{padding:70px 0}.cta-band{padding:56px 24px}
  .split .dark,.split .light{padding:40px 28px}
}