/* sasimodel.com design system
   Palette continues the SASI mark: deep ground, electric blue, frost text.
   Display: Rajdhani. Body: IBM Plex Sans. Labels and data: IBM Plex Mono. */
:root{
  --bg:#050a0f; --bg-2:#0a0f1a; --panel:#0d1520; --panel-2:#111c2a; --line:#182a3c; --line-2:#22384e;
  --text:#e8f0fa; --text-2:#c2cfdb; --muted:#8a9bb0; --faint:#5f7186;
  --blue:#1e7fd8; --sky:#3aabff; --sky-soft:rgba(58,171,255,.12); --cyan:#1eb6ff; --ember:#ff6a1a; --gold:#c69749;
  --ok:#22c55e; --warn:#f97316; --crit:#c0392b;
  --display:"Rajdhani","IBM Plex Sans",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --max:1180px; --pad:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--sky);text-decoration:none}
a:hover{color:var(--text)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--sky);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--sky);margin:0 0 14px}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:.01em;line-height:1.08;margin:0;text-wrap:balance}
h1{font-size:clamp(40px,6vw,72px);text-transform:uppercase}
h2{font-size:clamp(30px,4vw,46px);text-transform:uppercase}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 14px;max-width:68ch}
.lede{font-size:19px;color:var(--text-2);max-width:62ch}
.muted{color:var(--muted)}
.accent{color:var(--sky)}
.mono{font-family:var(--mono)}
.tm{font-size:.62em;vertical-align:.45em;letter-spacing:0}
.rule{height:2px;width:72px;background:linear-gradient(90deg,var(--sky),transparent);margin:18px 0 22px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,10,15,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand img{width:40px;height:40px;object-fit:contain}
.brand .wordmark{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:.06em;line-height:1}
.brand .sub{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-2);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text);border-bottom-color:var(--sky)}
.nav .cta{border:1px solid var(--sky);padding:9px 16px;color:var(--sky)}
.nav .cta:hover{background:var(--sky);color:#04101c;border-bottom-color:var(--sky)}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);color:var(--text);font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;padding:9px 12px;cursor:pointer}
@media (max-width:900px){
  .nav{display:none;position:absolute;left:0;right:0;top:72px;background:var(--bg-2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 0 14px}
  .nav.open{display:flex}
  .nav a{padding:12px var(--pad);border-bottom:1px solid var(--line)}
  .nav .cta{margin:12px var(--pad) 0;text-align:center}
  .menu-btn{display:inline-block;flex-shrink:0}
}
@media (max-width:600px){.brand .sub{display:none}.brand img{width:34px;height:34px}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:.1em;text-transform:uppercase;padding:14px 22px;border:1px solid var(--sky);color:#04101c;background:var(--sky);transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--text);border-color:var(--text);color:#04101c}
.btn.ghost{background:transparent;color:var(--sky)}
.btn.ghost:hover{background:var(--sky-soft);color:var(--text);border-color:var(--sky)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* hero */
.hero{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:.55}
.hero .veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(5,10,15,.55) 0%,rgba(5,10,15,.75) 55%,var(--bg) 100%)}
.hero .wrap{padding:88px var(--pad) 96px;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.hero .lede{font-size:20px}
.hero .mark{justify-self:center;width:min(100%,460px);filter:drop-shadow(0 0 40px rgba(58,171,255,.25))}
.hero.compact .wrap{grid-template-columns:1fr;padding:72px var(--pad) 64px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding:56px var(--pad) 64px}.hero .mark{order:-1;width:min(70%,300px)}}
.status{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px 10px;max-width:100%;font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);padding:7px 12px;margin-bottom:22px}
.status i{width:8px;height:8px;border-radius:50%;background:var(--sky);box-shadow:0 0 12px var(--sky)}

/* sections */
section{padding:88px 0}
section.tight{padding:64px 0}
.band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.void{background:#000;border-top:1px solid #142230;border-bottom:1px solid #142230}
.section-head{max-width:760px;margin-bottom:40px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:900px){.two{grid-template-columns:1fr;gap:28px}}
.grid{display:grid;gap:18px}
.grid > *,.two > *,.hero .wrap > *,.lorenz-hero > *,.site .cols > *{min-width:0}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);padding:26px 26px 24px;position:relative}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--sky),transparent 70%);opacity:.6}
.card h3{margin-bottom:10px}
.card p{font-size:15.5px;color:var(--text-2);margin-bottom:8px}
.card ul{margin:8px 0 0;padding-left:18px;color:var(--text-2);font-size:15px}
.card li{margin:5px 0}
.card .k{font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--sky);margin-bottom:10px}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:0;border:1px solid var(--line);background:var(--panel)}
.pillars > div{padding:26px;border-right:1px solid var(--line)}
.pillars > div:last-child{border-right:0}
@media (max-width:900px){.pillars > div{border-right:0;border-bottom:1px solid var(--line)}.pillars > div:last-child{border-bottom:0}}
.big{font-family:var(--display);font-weight:700;font-size:26px;text-transform:uppercase;letter-spacing:.02em;line-height:1.1;margin-bottom:8px}
.big em{font-style:normal;color:var(--sky)}
.quote{border-left:3px solid var(--sky);padding:10px 24px;font-family:var(--display);font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.3;color:var(--text);max-width:900px}
.quote small{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:12px}
.check{list-style:none;padding:0;margin:0}
.check li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid var(--line);color:var(--text-2)}
.check li::before{content:"";position:absolute;left:0;top:16px;width:14px;height:14px;border:1px solid var(--sky);transform:rotate(45deg)}
.check li::after{content:"";position:absolute;left:5px;top:21px;width:4px;height:4px;background:var(--sky)}
.figure{border:1px solid var(--line);background:var(--panel);overflow:hidden}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.figure figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line)}

/* flow diagram */
.flow{overflow-x:auto;border:1px solid var(--line);background:var(--panel);padding:20px}
.flow svg{min-width:820px;width:100%;height:auto;display:block}

/* layers */
.layers{display:grid;gap:0;border:1px solid var(--line)}
.layer{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:24px 26px;border-bottom:1px solid var(--line);background:var(--panel)}
.layer:last-child{border-bottom:0}
.layer .n{font-family:var(--display);font-weight:700;font-size:40px;color:var(--sky);line-height:1}
.layer .n small{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.layer p{color:var(--text-2);font-size:15.5px;margin-bottom:6px}
.layer ul{margin:6px 0 0;padding-left:18px;color:var(--text-2);font-size:15px}
@media (max-width:640px){.layer{grid-template-columns:1fr;gap:8px}}

/* lorenz */
.lorenz-hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:900px){.lorenz-hero{grid-template-columns:1fr}}
.lorenz-hero img{width:100%;border:1px solid #142230}
.badge{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--cyan);border-radius:999px;padding:8px 16px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.badge img{width:22px;height:22px}
.series{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.series .item{border:1px solid #142230;background:#05080c;padding:22px 22px 20px}
.series .num{font-family:var(--display);font-weight:700;font-size:34px;color:var(--cyan);line-height:1}
.series h3{margin:6px 0 8px}
.series p{font-size:15px;color:var(--text-2);margin:0 0 10px}
.series .gate{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ember)}
.series .gate.open{color:var(--cyan)}
.horizon{height:2px;background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan) 45%,var(--ember) 55%,var(--ember) 100%);margin:30px 0}

/* industries */
.ind{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.ind .card h3{font-size:24px;text-transform:uppercase}
.ind .card .k{margin-top:14px}
.roles{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.roles span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line-2);padding:4px 8px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.step{border:1px solid var(--line);background:var(--panel);padding:24px}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--display);font-weight:700;font-size:34px;color:var(--sky);display:block;line-height:1;margin-bottom:10px}
.step h3{font-size:20px;margin-bottom:8px}
.step p{font-size:15px;color:var(--text-2);margin:0}

/* form */
.form{background:var(--panel);border:1px solid var(--line);padding:30px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:700px){.form .row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;min-width:0;background:var(--bg);border:1px solid var(--line-2);color:var(--text);font-family:var(--body);font-size:16px;padding:12px 14px;border-radius:0}
.field textarea{min-height:150px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.note{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em;line-height:1.6}
.alert{border:1px solid var(--line-2);padding:14px 16px;margin-bottom:18px;font-size:15px}
.alert.ok{border-color:var(--ok);color:var(--text)}
.alert.err{border-color:var(--crit);color:var(--text)}
.contact-aside .card{margin-bottom:16px}
.contact-aside a.mail{font-family:var(--mono);font-size:15px;word-break:break-all}

/* cta band */
.cta-band{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-top:1px solid var(--line)}
.cta-band .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;padding:72px var(--pad)}
@media (max-width:900px){.cta-band .wrap{grid-template-columns:1fr}}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#03070b;padding:56px 0 40px;font-size:14.5px;color:var(--muted)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
@media (max-width:900px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--text-2);margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:6px 0}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--text)}
.site-footer .legal{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:13px;line-height:1.7}
.site-footer .sentinel{width:170px;opacity:.9;margin-bottom:14px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}