:root{
  --bg:#0B0D12;--surface:#12151C;--surface-2:#171B24;--line:#262B36;
  --violet:#8B7CF6;--violet-deep:#6F5DE0;--violet-darker:#5949B8;--cyan:#4FD1C5;
  --ink:#E7E9EE;--muted:#9AA1AE;--error:#FF6B6B;
  --font-display:"IBM Plex Mono","Consolas",monospace;--font-body:"Inter","Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.62 var(--font-body)}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;color:#fff;overflow-wrap:break-word}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:700;color:var(--cyan);display:block;margin-bottom:.6em;font-family:var(--font-display)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:800px){.split-grid{grid-template-columns:1fr}}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(11,13,18,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand img{width:32px;height:32px}
.brand strong{font-family:var(--font-display);font-size:1.05rem}
.main-nav{display:flex;gap:24px;align-items:center}
.main-nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.9rem}
.main-nav a:hover{color:#fff}
.nav-phone{background:var(--violet-deep);color:#fff;padding:9px 18px;border-radius:6px;text-decoration:none;font-weight:700;white-space:nowrap;font-family:var(--font-display);font-size:.88rem}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);border-radius:6px;flex-shrink:0;color:#fff}
@media(max-width:820px){.main-nav{position:absolute;top:100%;left:0;right:0;background:var(--bg);flex-direction:column;align-items:flex-start;padding:14px 24px;display:none;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .nav-toggle{display:inline-flex}}
@media(max-width:480px){.nav-phone{display:none}}

/* hero: terminal-window mock */
.hero{padding:70px 0}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(1.9rem,3.8vw,2.8rem);line-height:1.15;margin:0 0 .35em}
.hero p{color:var(--muted);font-size:1.06rem;max-width:52ch;margin:0 0 26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.terminal{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.terminal-bar{display:flex;gap:6px;padding:12px 14px;background:var(--surface-2);border-bottom:1px solid var(--line)}
.terminal-bar span{width:10px;height:10px;border-radius:50%;background:#3a3f4b}
.terminal-bar span:nth-child(1){background:#FF6B6B}
.terminal-bar span:nth-child(2){background:#F6C453}
.terminal-bar span:nth-child(3){background:#4FD1C5}
.terminal pre{margin:0;padding:20px;font-family:var(--font-display);font-size:.84rem;line-height:1.7;color:#c7ccd6;overflow-x:auto}
.terminal .t-cmd{color:var(--cyan)}
.terminal .t-comment{color:#848a97}
.terminal .t-ok{color:#7ee787}
@media(max-width:800px){.hero .container{grid-template-columns:1fr}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:6px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font:inherit}
.btn.primary{background:var(--violet-deep);color:#fff}
.btn.primary:hover{background:var(--violet-darker)}
.btn.ghost{border-color:var(--line);color:#fff;background:transparent}
.btn.ghost:hover{background:var(--surface)}

/* sections */
main{padding-bottom:40px}
.section{padding:64px 0}
.section.card{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:32px;max-width:70ch}
.section-head h2{font-size:clamp(1.4rem,2.4vw,2rem)}
.section-head p{color:var(--muted)}

/* fact list */
.fact-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.fact-list div{background:var(--surface);padding:18px}
.fact-list dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:5px;font-family:var(--font-display)}
.fact-list dd{margin:0;font-weight:600;overflow-wrap:break-word;word-break:break-word;color:#fff}
@media(max-width:520px){.fact-list{grid-template-columns:1fr}}

/* narrative photo */
.narrative-photo{aspect-ratio:4/3;border-radius:10px;overflow:hidden;box-shadow:0 24px 48px rgba(0,0,0,.4);border:1px solid var(--line)}
.narrative-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.96)}

/* services */
.code-list{background:var(--bg);border:1px solid var(--line);border-radius:10px;overflow-x:auto}
.code-list pre{margin:0;padding:24px;font-family:var(--font-display);font-size:.9rem;line-height:1.9;color:#c7ccd6;white-space:pre-wrap}
.code-list .t-comment{color:var(--cyan);font-weight:600}

/* contact: terminal-styled fact card, map below */
.contact-block{background:var(--surface)}
.contact-block .fact-list{margin-top:24px}
.contact-map{width:100%;aspect-ratio:16/6;min-height:260px;border-radius:10px;overflow:hidden;margin-top:24px;border:1px solid var(--line)}
.contact-map iframe{width:100%;height:100%;border:0;display:block}

/* form */
form.contact-form{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:30px;max-width:560px}
label{display:block;font-weight:700;margin:14px 0 6px;font-size:.88rem;color:var(--muted);font-family:var(--font-display)}
input,textarea,select{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--violet);outline-offset:1px}
.field-error{border-color:var(--error)}
.error-text{display:block;color:var(--error);font-size:.84rem;margin-top:4px}
.form-status{font-size:.9rem;color:var(--muted);min-height:1.2em}
.consent{display:flex;gap:8px;align-items:flex-start;margin:14px 0;font-size:.88rem;color:var(--muted)}
.consent input{width:auto;margin-top:3px}

/* faq */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-bottom:12px}
.faq summary{font-weight:700;cursor:pointer;list-style:none;font-family:var(--font-display);color:#fff;font-size:.98rem}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:12px 0 0;color:var(--muted);font-family:var(--font-body)}

/* legal */
.legal{max-width:800px;margin:0 auto;padding:60px 24px}
.legal h1{font-size:clamp(1.7rem,3.6vw,2.2rem)}
.legal h2{margin-top:1.6em;font-size:1.1rem;color:#fff}
.legal p{overflow-wrap:break-word;color:var(--muted)}

/* footer */
footer.site{background:#08090C;color:#7b828f;padding:50px 0 24px;font-size:.9rem;border-top:1px solid var(--line)}
footer.site .container{display:grid;grid-template-columns:1fr 1fr;gap:32px}
footer.site h3{color:#fff;font-size:.9rem;margin:0 0 12px;font-family:var(--font-display)}
footer.site a{text-decoration:none;color:#7b828f;display:block;margin-bottom:8px}
footer.site a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand strong{font-family:var(--font-display);color:#fff}
.fineprint{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px;margin-top:6px;font-size:.78rem;color:#868c95}
@media(max-width:760px){footer.site .container{display:grid;grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:500px){footer.site .container{display:grid;grid-template-columns:1fr 1fr;gap:32px}}

/* cookie */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;max-width:640px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 20px 50px rgba(0,0,0,.5);z-index:50;color:var(--ink)}
.cookie-banner[hidden]{display:none}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.cookie-actions button{padding:10px 16px;border-radius:6px;font-weight:700;cursor:pointer;border:1px solid var(--line);font:inherit}
.cookie-actions button.accept{background:var(--violet-deep);color:#fff;border-color:var(--violet-deep)}
.cookie-actions button.reject{background:transparent;color:var(--ink)}

/* chrome C: left rail on desktop */
@media(min-width:1000px){
  .site-header{position:fixed;left:0;top:0;bottom:0;width:236px;border-right:1px solid var(--line);border-bottom:0;overflow-y:auto}
  .site-header .container{max-width:none;height:100%;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:26px;padding:32px 24px;min-height:0}
  .main-nav{flex-direction:column;align-items:flex-start;gap:14px}
  .nav-phone{margin-top:auto}
  body{padding-left:236px}
  .nav-toggle{display:none}
}
.cookie-banner{left:auto;right:16px;bottom:16px;max-width:360px;margin:0}

/* chrome C: footer mobile collapse */
@media(max-width:640px){footer.site .container{grid-template-columns:1fr}}

/* content system 4: chip labels, blocky buttons, accent-topped sections */
.section-head .eyebrow{display:inline-block;border:1px solid currentColor;padding:4px 12px;border-radius:3px;letter-spacing:.08em;font-size:.68rem;margin-bottom:1em}
.btn{border-radius:4px;min-height:54px;padding:15px 34px;font-size:1rem}
.section{position:relative}
.section+.section::before{content:"";position:absolute;top:0;left:0;width:64px;height:4px;background:currentColor;opacity:.35}
.section-head{margin-bottom:28px}