:root{
  --ink:#0B2545;--ink2:#13315C;--deep:#081a33;--line:#dde3ea;--bg:#f5f7fa;--white:#fff;
  --accent:#1F7A8C;--accent-d:#17606E;--accent-l:#5CC2D2;--soft:#6FB3BF;--text:#1d2633;--muted:#4f5d6e;
  --r:14px;--maxw:1140px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;color:var(--ink);letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,6.4vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.65rem,4.2vw,2.4rem);font-weight:800}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:3px solid var(--accent-l);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,26,51,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px}
.brand{text-decoration:none;display:flex;align-items:center;gap:10px}
.brand .logo{height:42px;width:auto}
.brand-tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-l);border:1px solid rgba(92,194,210,.45);border-radius:6px;padding:3px 7px}
.nav{display:none;gap:26px;align-items:center}
.nav a{color:#d6dee8;text-decoration:none;font-size:.95rem;font-weight:500}
.nav a:hover{color:#fff}
.nav-cta{background:var(--accent);color:#fff !important;padding:9px 18px;border-radius:999px;font-weight:600;text-decoration:none;font-size:.92rem;white-space:nowrap}
.nav-cta:hover{background:var(--accent-d)}
@media(min-width:880px){.nav{display:flex}.mobile-cta{display:none}}

/* hero */
.hero{position:relative;background:radial-gradient(900px 500px at 85% 0%,#1d4a6e 0,transparent 60%),linear-gradient(160deg,var(--ink) 0,#0e2c50 55%,var(--deep) 100%);color:#fff;overflow:hidden;padding-bottom:44px}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(180deg,#000 0,transparent 90%);-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 90%)}
.hero-inner{position:relative;z-index:1;display:grid;gap:40px;padding-top:56px;padding-bottom:36px;align-items:center}
@media(min-width:960px){.hero-inner{grid-template-columns:1.05fr 1fr;padding-top:80px}}
.hero h1{color:#fff;max-width:14ch}
.lead{font-size:1.12rem;color:#c9d3df;max-width:56ch}
.lead.dark{color:var(--muted)}
.eyebrow{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:600;color:var(--accent-l);margin-bottom:14px}
.eyebrow.dark{color:var(--accent-d)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:999px;font-weight:700;text-decoration:none;font-size:1rem;transition:background .15s,border-color .15s,transform .15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff}
.for{color:#9fb0c3;font-size:.95rem;margin:0}

/* blueprint diagram (abstract, not a product UI) */
.blueprint{margin:0;position:relative;border:1.5px dashed rgba(92,194,210,.45);border-radius:18px;padding:22px;background:
  linear-gradient(rgba(92,194,210,.07) 1px,transparent 1px) 0 0/22px 22px,
  linear-gradient(90deg,rgba(92,194,210,.07) 1px,transparent 1px) 0 0/22px 22px,rgba(8,26,51,.35)}
.bp-label{display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#9fdbe5;margin-bottom:16px}
.bp-node{border-radius:12px;padding:14px 16px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05)}
.bp-node small{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-l);margin-bottom:4px}
.bp-node strong{display:block;color:#fff;font-size:1rem}
.bp-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.bp-chips i{font-style:normal;font-size:.74rem;color:#c9d3df;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:3px 10px}
.bp-link{width:2px;height:26px;margin:0 auto;background:repeating-linear-gradient(180deg,var(--accent-l) 0 5px,transparent 5px 9px);position:relative}
.bp-link::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);border:6px solid transparent;border-top-color:var(--accent-l);border-bottom:0}
.bp-mid{border-style:dashed;border-color:rgba(92,194,210,.5)}
.bp-blocks{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:12px}
.bp-blocks b{height:28px;border-radius:7px;background:rgba(92,194,210,.28);border:1px solid rgba(92,194,210,.5)}
.bp-blocks b.dash{background:transparent;border-style:dashed}
.bp-out{background:linear-gradient(135deg,var(--accent),#17606E);border-color:transparent;box-shadow:0 18px 40px -18px rgba(31,122,140,.8)}
.bp-out small{color:#d9f3f7}

/* sections */
.section{padding:76px 0}
.section.alt{background:var(--bg)}
.modules{display:grid;gap:16px;margin-top:34px}
@media(min-width:640px){.modules{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.modules{grid-template-columns:repeat(3,1fr)}}
.module{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:#fff;transition:border-color .15s,box-shadow .15s}
.module:hover{border-color:#b8d7dd;box-shadow:0 10px 30px -18px rgba(11,37,69,.35)}
.module p{color:var(--muted);margin:0;font-size:.98rem}
.ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(145deg,#e6f4f6,#d3eaee);display:grid;place-items:center;margin-bottom:16px}
.ico svg{width:24px;height:24px;fill:none;stroke:var(--accent-d);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.module-cta{background:linear-gradient(160deg,var(--ink),#0e2c50);border-color:transparent}
.ico-dark{background:rgba(92,194,210,.15)}
.ico-dark svg{stroke:var(--accent-l)}
.module-cta h3{color:#fff}
.module-cta p{color:#c9d3df;margin-bottom:14px}
.link{color:var(--accent-l);font-weight:700;text-decoration:none}
.link:hover{text-decoration:underline}

.steps{list-style:none;padding:0;margin:34px 0 0;display:grid;gap:16px;counter-reset:s}
@media(min-width:720px){.steps{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.steps{grid-template-columns:repeat(5,1fr)}}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.steps p{color:var(--muted);margin:0;font-size:.98rem}
.num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--accent-l);font-family:var(--mono);font-weight:700;margin-bottom:14px}

/* contact */
.contact{background:linear-gradient(160deg,var(--ink) 0,#0e2c50 60%,var(--deep) 100%);color:#fff}
.contact h2{color:#fff;max-width:20ch}
.contact-inner{display:grid;gap:34px;align-items:center}
@media(min-width:900px){.contact-inner{grid-template-columns:1.3fr 1fr}}
.contact-card{font-style:normal;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:24px}
.contact-card p{margin:0 0 10px;color:#d6dee8;display:flex;flex-direction:column}
.contact-card .name{font-size:1.25rem;font-weight:800;color:#fff;margin:0}
.contact-card .co{color:var(--accent-l);font-weight:700;margin-bottom:16px}
.contact-card .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#9fb0c3}
.contact-card a{color:#fff;text-decoration:none;font-weight:600;word-break:break-word}
.contact-card a:hover{color:var(--accent-l)}

/* footer */
.site-footer{background:var(--deep);color:#9fb0c3;padding:34px 0;font-size:.9rem}
.footer-inner{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
.footer-logo{height:34px;width:auto}
.site-footer a{color:var(--accent-l);font-weight:600}

@media(max-width:480px){
  body{font-size:16px}
  .brand .logo{height:38px}
  .brand-tag{display:none}
  .blueprint{padding:16px}
  .bp-blocks{grid-template-columns:repeat(3,1fr)}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:60px 0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none !important}}