:root{
  --paper:#F1F3F6;
  --paper-deep:#E4E8EE;
  --ink:#12151C;
  --ink-soft:#4A5262;
  --ink-faint:#8A93A3;
  --line:#C7D0DC;
  --line-soft:#DCE2E9;
  --steel:#2E4A73;
  --steel-deep:#0E1622;
  --steel-mid:#1B2740;
  --signal:#FF5A2B;
  --signal-soft:#FFE4D8;
  --white:#FFFFFF;
  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body); color:var(--ink); background:var(--paper);
  -webkit-font-smoothing:antialiased; line-height:1.5;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1240px; margin:0 auto; padding:0 32px;}
::selection{background:var(--signal); color:var(--white);}

@media (max-width:600px){ .wrap{padding:0 20px;} }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important; transition:none !important;}
}

/* Keyboard focus is visible everywhere; pointer clicks stay clean. */
:focus-visible{
  outline:2px solid var(--signal); outline-offset:3px;
}

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:var(--white); padding:12px 20px;
  font-size:13px; font-weight:600;
}
.skip-link:focus{left:0;}

/* Off-screen but still read by screen readers. */
.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ================= NAV ================= */
.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(241,243,246,0.88); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  max-width:1240px; margin:0 auto; padding:0 32px;
  height:72px; display:flex; align-items:center; justify-content:space-between;
}
@media (max-width:600px){ .nav-inner{padding:0 20px;} }
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--display); font-weight:700; font-size:19px; letter-spacing:-0.01em;
}
.logo .mark{
  width:26px; height:26px; background:var(--ink); position:relative; flex:0 0 auto;
}
.logo .mark::after{
  content:""; position:absolute; inset:6px; background:var(--signal);
}
.nav-links{display:flex; align-items:center; gap:6px;}
.nav-dd{position:relative;}
.nav-item{
  padding:10px 16px; font-size:13.5px; font-weight:500; font-family:var(--body);
  color:var(--ink-soft); display:flex; align-items:center; gap:5px;
  background:none; border:none; cursor:pointer; line-height:1.5;
}
.nav-item:hover{color:var(--ink);}
.nav-item .caret{font-size:9px; opacity:0.6; transition:transform .18s ease;}
.nav-dd.open .caret{transform:rotate(180deg);}

.dropdown{
  position:absolute; top:calc(100% + 10px); left:50%; transform:translateX(-50%) translateY(6px);
  width:320px; background:var(--white); border:1px solid var(--line);
  box-shadow:0 24px 48px -20px rgba(14,22,34,0.22);
  opacity:0; visibility:hidden; transition:opacity .16s ease, transform .16s ease;
}
.nav-dd.open .dropdown{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }

/* Hover-to-open only where there is a real pointer. Touch devices use the click
   handler in main.js, which a hover rule would fight with. */
@media (hover:hover) and (pointer:fine){
  .nav-dd:hover .dropdown{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
  .nav-dd:hover .caret{transform:rotate(180deg);}
}

.dd-label{
  font-family:var(--mono); font-size:9.5px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--ink-faint); padding:14px 18px 8px;
}
.dd-item{
  display:flex; align-items:center; gap:12px; padding:12px 18px;
  border-top:1px solid var(--line-soft);
}
.dd-item:hover{background:var(--paper);}
.dd-icon{
  width:34px; height:34px; background:var(--ink); flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; position:relative;
}
.dd-icon .b1{position:absolute; left:7px; bottom:7px; width:5px; height:9px; background:#8b84ff;}
.dd-icon .b2{position:absolute; left:14px; bottom:7px; width:5px; height:14px; background:#3d3be8;}
.dd-icon .b3{position:absolute; left:21px; bottom:7px; width:5px; height:19px; background:var(--signal);}
.dd-text .dd-name{font-family:var(--display); font-size:14px; font-weight:600; color:var(--ink);}
.dd-text .dd-desc{font-size:11px; color:var(--ink-soft); margin-top:1px;}
.dd-status{
  margin-left:auto; font-family:var(--mono); font-size:8px; letter-spacing:0.05em; text-transform:uppercase;
  color:#12724F; background:#E2F5EC; padding:2px 6px; flex:0 0 auto;
}

.nav-cta{
  font-size:12.5px; font-weight:600; padding:10px 18px; border:1px solid var(--ink);
  color:var(--ink); font-family:var(--body);
}
.nav-cta:hover{background:var(--ink); color:var(--white);}

/* Two nav links do not justify a hamburger. Both destinations live in the page
   body and the footer, so collapsing to logo + CTA loses nothing. */
@media (max-width:720px){
  .nav-links{display:none;}
}

/* ================= HERO ================= */
.hero{
  background:var(--steel-deep); color:var(--white); position:relative; overflow:hidden;
  padding:120px 0 100px;
}
@media (max-width:700px){ .hero{padding:72px 0 80px;} }
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%, black 40%, transparent 100%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%, black 40%, transparent 100%);
}
.hero-inner{position:relative; z-index:1;}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:#9FB4D6; margin-bottom:28px;
}
.hero-eyebrow .dot{width:6px; height:6px; background:var(--signal); flex:0 0 auto;}
.hero h1{
  font-family:var(--display); font-weight:700; font-size:clamp(40px,6vw,68px);
  line-height:1.04; letter-spacing:-0.03em; max-width:820px; margin-bottom:26px;
}
.hero h1 em{font-style:normal; color:var(--signal);}
.hero p.lede{
  font-size:17px; line-height:1.65; color:#B9C4D6; max-width:540px; margin-bottom:40px;
}
.hero-actions{display:flex; gap:14px; align-items:center; flex-wrap:wrap;}
.btn-solid{
  background:var(--signal); color:var(--white); font-weight:600; font-size:13.5px;
  padding:15px 26px; display:inline-flex; align-items:center; gap:8px;
}
.btn-solid:hover{background:#e64d20;}
.btn-ghost{
  border:1px solid rgba(255,255,255,0.28); color:var(--white); font-weight:600; font-size:13.5px;
  padding:15px 26px; display:inline-flex; align-items:center;
}
.btn-ghost:hover{border-color:#fff; background:rgba(255,255,255,0.06);}

.hero-stamp{
  position:absolute; right:32px; bottom:40px; z-index:1;
  font-family:var(--mono); font-size:10px; letter-spacing:0.08em; color:#5E7396;
  text-align:right; line-height:1.9; display:none;
}
@media (min-width:900px){ .hero-stamp{ display:block; } }

/* ================= BUILD DIAGRAM ================= */
.diagram-section{padding:110px 0 100px; border-bottom:1px solid var(--line-soft);}
@media (max-width:700px){ .diagram-section{padding:72px 0 64px;} }
.section-eyebrow{
  font-family:var(--mono); font-size:11px; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--ink-faint); margin-bottom:14px; display:flex; align-items:center; gap:10px;
}
.section-eyebrow::after{content:""; flex:1; height:1px; background:var(--line);}
.diagram-section h2{
  font-family:var(--display); font-weight:700; font-size:clamp(26px,3.4vw,38px);
  letter-spacing:-0.02em; max-width:640px; margin-bottom:16px;
}
.diagram-section > .wrap > p{
  font-size:14.5px; color:var(--ink-soft); max-width:560px; margin-bottom:64px; line-height:1.65;
}

.diagram{ position:relative; padding:20px 0 10px; }
.diagram-svg-wrap{ width:100%; overflow-x:auto; }
.diagram svg{ display:block; width:100%; min-width:760px; height:auto; }

/* ================= SOLUTIONS DETAIL ================= */
.solutions{padding:100px 0; background:var(--paper-deep); border-bottom:1px solid var(--line-soft);}
@media (max-width:700px){ .solutions{padding:72px 0;} }
.sol-card{
  background:var(--white); border:1px solid var(--line);
  display:grid; grid-template-columns:1fr 1fr;
}
@media (max-width:820px){ .sol-card{grid-template-columns:1fr;} }
.sol-visual{
  background:var(--steel-deep);
  background-image:linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size:32px 32px;
  display:flex; align-items:center; justify-content:center; padding:60px 40px; min-height:320px;
}
.bb-mark{width:100px; height:100px;}
.sol-text{padding:48px 44px;}
@media (max-width:600px){ .sol-text{padding:36px 24px;} }
.sol-index{font-family:var(--mono); font-size:11px; letter-spacing:0.1em; color:var(--ink-faint); margin-bottom:16px;}
.sol-text h3{font-family:var(--display); font-weight:700; font-size:28px; letter-spacing:-0.02em; margin-bottom:12px;}
.sol-text h3 span{color:var(--signal);}
.sol-text p{font-size:14px; color:var(--ink-soft); line-height:1.7; margin-bottom:24px;}
.sol-tags{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px;}
.sol-tag{
  font-family:var(--mono); font-size:10px; letter-spacing:0.04em; text-transform:uppercase;
  border:1px solid var(--line); color:var(--ink-soft); padding:5px 10px;
}
.sol-link{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:13.5px;
  color:var(--ink); border-bottom:2px solid var(--signal); padding-bottom:2px;
}
.sol-link:hover{color:var(--signal);}

/* ================= APPROACH ================= */
.approach{padding:100px 0;}
@media (max-width:700px){ .approach{padding:72px 0;} }
.approach h2{
  font-family:var(--display); font-weight:700; font-size:clamp(26px,3.4vw,38px);
  letter-spacing:-0.02em; max-width:600px;
}
.approach-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); margin-top:56px;}
@media (max-width:820px){ .approach-grid{grid-template-columns:1fr;} }
.approach-cell{background:var(--paper); padding:36px 32px;}
@media (max-width:600px){ .approach-cell{padding:32px 24px;} }
.approach-cell .ac-tag{
  font-family:var(--mono); font-size:10px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--signal); margin-bottom:16px; display:block;
}
.approach-cell h4{font-family:var(--display); font-weight:600; font-size:19px; margin-bottom:12px; letter-spacing:-0.01em;}
.approach-cell p{font-size:13.5px; color:var(--ink-soft); line-height:1.65;}

/* ================= CONTACT ================= */
.contact{background:var(--steel-deep); color:var(--white); padding:110px 0 90px;}
@media (max-width:700px){ .contact{padding:72px 0 64px;} }
.contact-grid{max-width:560px;}
.contact h2{
  font-family:var(--display); font-weight:700; font-size:clamp(28px,3.6vw,40px);
  letter-spacing:-0.02em; margin-bottom:18px;
}
.contact .section-eyebrow{color:#6E85AA;}
.contact .section-eyebrow::after{background:#33456B;}
.contact-lede{
  font-size:14.5px; color:#B9C4D6; line-height:1.7; margin-bottom:40px; max-width:420px;
}
.contact-block{margin-bottom:28px;}
.contact-block .cb-label{font-family:var(--mono); font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color:#6E85AA; margin-bottom:7px;}
.contact-block .cb-value{font-size:15px; font-weight:500;}
.contact-block a.cb-value:hover{color:var(--signal);}

.form-field{margin-bottom:18px;}
.form-field label{
  display:block; font-family:var(--mono); font-size:10px; letter-spacing:0.08em; text-transform:uppercase;
  color:#6E85AA; margin-bottom:8px;
}
.form-field label .label-note{text-transform:none; letter-spacing:0;}
.form-field input, .form-field textarea{
  width:100%; background:transparent; border:none; border-bottom:1px solid #33456B;
  color:var(--white); font-family:var(--body); font-size:14.5px; padding:10px 2px;
}
.form-field input:focus, .form-field textarea:focus{outline:none; border-bottom-color:var(--signal);}
.form-field input::placeholder, .form-field textarea::placeholder{color:#4A5F82;}
.form-field textarea{resize:vertical; min-height:80px;}
.form-submit{
  margin-top:8px; background:var(--signal); color:var(--white); font-weight:600; font-size:13.5px;
  padding:15px 30px; border:none; cursor:pointer; font-family:var(--body);
}
.form-submit:hover{background:#e64d20;}
.form-submit:disabled{background:#7A4030; cursor:default;}

/* Honeypot: no bot reads CSS, so anything that fills this is not a person. */
.hp-field{
  position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;
}

.form-status{
  margin-top:16px; font-size:13.5px; line-height:1.6; min-height:1.2em;
}
.form-status.is-ok{color:#6EE7B7;}
.form-status.is-error{color:#FF8A63;}

/* ================= LEGAL PAGES ================= */
.legal{padding:80px 0 100px;}
@media (max-width:700px){ .legal{padding:56px 0 72px;} }
.legal-inner{max-width:680px;}
.legal h1{
  font-family:var(--display); font-weight:700; font-size:clamp(30px,4vw,44px);
  letter-spacing:-0.025em; margin-bottom:14px;
}
.legal .updated{
  font-family:var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--ink-faint); margin-bottom:48px;
}
.legal h2{
  font-family:var(--display); font-weight:600; font-size:20px; letter-spacing:-0.01em;
  margin:44px 0 14px; padding-top:22px; border-top:1px solid var(--line-soft);
}
.legal p{font-size:14.5px; color:var(--ink-soft); line-height:1.75; margin-bottom:16px;}
.legal ul{margin:0 0 16px 20px;}
.legal li{font-size:14.5px; color:var(--ink-soft); line-height:1.75; margin-bottom:8px;}
.legal a{color:var(--ink); border-bottom:1px solid var(--signal);}
.legal a:hover{color:var(--signal);}
.legal strong{color:var(--ink); font-weight:600;}

/* ================= 404 ================= */
.notfound{
  background:var(--steel-deep); color:var(--white);
  min-height:70vh; display:flex; align-items:center; padding:80px 0;
}
.notfound .code{
  font-family:var(--mono); font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--signal); margin-bottom:20px;
}
.notfound h1{
  font-family:var(--display); font-weight:700; font-size:clamp(30px,4vw,44px);
  letter-spacing:-0.025em; margin-bottom:16px;
}
.notfound p{font-size:15px; color:#B9C4D6; line-height:1.7; margin-bottom:36px; max-width:460px;}

/* ================= FOOTER ================= */
.footer{background:var(--steel-deep); border-top:1px solid #1F2C42; padding:28px 0;}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;}
.footer .logo{color:var(--white);}
.footer .logo .mark{background:var(--white);}
.footer .logo .mark::after{background:var(--signal);}
.footer-meta{font-family:var(--mono); font-size:10.5px; color:#5E7396; letter-spacing:0.03em;}
.footer-links{display:flex; gap:22px; font-size:12px; color:#8FA2C2;}
.footer-links a:hover{color:var(--white);}