:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
/* Layout: navy hero band with the S-circuit mark as a large trace line; content below in a 1120px column, sections separated by a thin rule. */
:root{
  --bg:#F6F8FB; --surface:#FFFFFF; --fg:#0B1F3B; --muted:#4A5B73; --line:#DCE3EC;
  --navy:#0B1F3B; --navy-2:#16325C; --on-navy:#FFFFFF; --on-navy-muted:#B7C4D8;
  --teal:#13B5A5; --teal-ink:#0B7F74; --teal-soft:#E3F6F3;
  --f-display:"Sora", "Segoe UI", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#08172C; --surface:#0E2140; --fg:#E8EEF6; --muted:#9DB0C8; --line:#1E3558;
  --navy:#061226; --navy-2:#122B50; --on-navy:#FFFFFF; --on-navy-muted:#A9BAD2;
  --teal:#1FC7B6; --teal-ink:#3FD9C8; --teal-soft:#0F3340; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#08172C; --surface:#0E2140; --fg:#E8EEF6; --muted:#9DB0C8; --line:#1E3558;
  --navy:#061226; --navy-2:#122B50; --on-navy:#FFFFFF; --on-navy-muted:#A9BAD2;
  --teal:#1FC7B6; --teal-ink:#3FD9C8; --teal-soft:#0F3340; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--navy)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;letter-spacing:-0.01em}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}
.eyebrow{font-family:var(--f-mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-ink)}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--navy);color:var(--on-navy);border-bottom:1px solid rgba(255,255,255,.08)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:clamp(16px,1.3vw,30px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand{gap:clamp(16px,1.2vw,28px)}.brand svg{width:clamp(76px,5.6vw,150px);height:auto;aspect-ratio:120/140;flex:none}
.brand b{font-family:var(--f-display);font-weight:800;font-size:clamp(50px,3.9vw,104px);line-height:1;letter-spacing:-.02em}
@media (max-width:480px){.brand svg{width:54px;height:63px}.brand b{font-size:36px}}
.nav{display:flex;gap:26px;font-size:15px}
.nav a{text-decoration:none;color:var(--on-navy-muted)}
.nav a:hover{color:var(--on-navy)}
.nav .cta-mini{color:var(--navy);background:var(--teal);padding:7px 14px;border-radius:999px;font-weight:600}
.nav .cta-mini:hover{color:var(--navy);filter:brightness(1.08)}
@media (max-width:760px){.nav a:not(.cta-mini){display:none}}


.brand-text{display:flex;flex-direction:column;gap:clamp(4px,.35vw,9px)}
.brand-text small{font-family:var(--f-body);font-weight:600;font-size:clamp(12px,.8vw,21px);letter-spacing:.06em;color:var(--teal);line-height:1}
@media (max-width:480px){.brand-text small{font-size:11px}}
/* Hero */
.hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:72px 84px;position:relative;z-index:1}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.08;font-weight:700}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero .lede{margin-top:22px;max-width:56ch;color:var(--on-navy-muted);font-size:18px}
.hero .actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-body);font-weight:600;font-size:16px;padding:13px 22px;border-radius:999px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--teal);color:#062019}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--on-navy);background:transparent}
.btn-ghost:hover{border-color:var(--teal)}
.trace{position:absolute;right:-120px;top:-40px;width:620px;height:auto;opacity:.10;pointer-events:none}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:52px 60px}.trace{width:420px;right:-160px}}

/* Control panel (subject detail) */
.panel{background:var(--navy-2);border:1px solid rgba(255,255,255,.10);border-radius:14px;font-family:var(--f-mono);font-size:14px;min-width:0}
.panel-head{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.10);color:var(--on-navy-muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.panel ul{list-style:none;margin:0;padding:8px 0}
.panel li{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:9px 16px;align-items:baseline}
.panel li span:first-child{color:var(--teal)}
.panel li strong{font-weight:500;color:var(--on-navy)}
.panel li small{display:block;color:var(--on-navy-muted);font-size:12.5px;margin-top:2px}

/* Sections */
section.block{padding-block:88px;border-top:1px solid var(--line)}
section.block:first-of-type{border-top:0}
.sec-head{display:grid;gap:14px;max-width:62ch;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;font-weight:700}
.sec-head p{color:var(--muted)}

/* Services */
.services{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:14px;align-content:start;min-width:0}
.svc-top{display:flex;align-items:center;gap:14px}
.svc-ico{width:44px;height:44px;border-radius:10px;background:var(--teal-soft);display:grid;place-items:center;flex:none}
.svc-ico svg{width:24px;height:24px;stroke:var(--teal-ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:21px;font-weight:600}
.svc p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tags span{font-family:var(--f-mono);font-size:12.5px;padding:4px 10px;border-radius:6px;border:1px solid var(--line);color:var(--fg)}
@media (max-width:760px){.services{grid-template-columns:1fr}}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative}
.step{padding:0 22px 0 0;display:grid;gap:12px;align-content:start;min-width:0}
.step-mark{display:flex;align-items:center;gap:10px}
.step-mark i{width:14px;height:14px;border-radius:50%;background:var(--teal);flex:none}
.step-mark b{flex:1;height:3px;background:var(--line);border-radius:2px}
.step:last-child .step-mark b{background:transparent}
.step .n{font-family:var(--f-mono);font-size:13px;color:var(--teal-ink);letter-spacing:.1em}
.step h3{font-size:19px;font-weight:600}
.step p{color:var(--muted);font-size:16px}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}.step-mark b{display:none}}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

/* About */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.about .sec-head{margin-bottom:0}
.about-body{display:grid;gap:18px;min-width:0}
.about-body p{color:var(--muted);max-width:62ch}
.creds{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.cred{border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--surface)}
.cred b{display:block;font-family:var(--f-display);font-weight:600;font-size:16px}
.cred span{font-size:14px;color:var(--muted)}
.orgs{font-family:var(--f-mono);font-size:13.5px;color:var(--muted)}
@media (max-width:860px){.about{grid-template-columns:1fr;gap:32px}}
@media (max-width:420px){.creds{grid-template-columns:1fr}}

/* Contact */
.contact{background:var(--navy);color:var(--on-navy)}
.contact .wrap{padding-block:80px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.contact h2{font-size:clamp(28px,3.6vw,42px);line-height:1.15}
.contact p{color:var(--on-navy-muted);margin-top:16px;max-width:52ch}
.mailbox{background:var(--navy-2);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px;display:grid;gap:14px;min-width:0}
.mailbox label{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-navy-muted)}
.mail-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.mail-row output{font-family:var(--f-mono);font-size:18px;color:var(--on-navy);user-select:all;word-break:break-all}
.copy{background:transparent;color:var(--teal);border:1px solid var(--teal);border-radius:999px;padding:7px 14px;font:600 14px var(--f-body);cursor:pointer}
.copy:hover{background:rgba(19,181,165,.12)}
.mailbox a.li{color:var(--on-navy-muted);font-size:15px}
.mailbox a.li:hover{color:var(--on-navy)}
@media (max-width:860px){.contact .wrap{grid-template-columns:1fr}}

footer{background:var(--navy);color:var(--on-navy-muted);border-top:1px solid rgba(255,255,255,.08);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:22px}

.mt-18{margin-top:18px}.mt-14{margin-top:14px}