/* =============================================================
   TOSSO — selzr.com
   Design system: "Network Operations"
   Deep navy ground · amber brand signal · cyan live-data accent
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ---------- tokens ---------- */
:root{
  --bg:      #05070C;
  --bg-1:    #090D15;
  --bg-2:    #0E141F;
  --bg-3:    #141C2B;
  --bg-4:    #1B2537;

  --line:    rgba(255,255,255,.075);
  --line-2:  rgba(255,255,255,.14);
  --line-3:  rgba(255,255,255,.24);

  --txt:     #E9EEF6;
  --txt-2:   #9AA8BE;
  --txt-3:   #64728A;

  --sig:     #F59E0B;   /* brand amber */
  --sig-2:   #FCC44D;
  --sig-dim: rgba(245,158,11,.13);

  --cy:      #22D3EE;   /* live data */
  --cy-2:    #7DE9F8;
  --cy-dim:  rgba(34,211,238,.12);

  --ok:      #34D399;
  --warn:    #FBBF24;
  --bad:     #FB7185;

  --f-disp:  'Archivo', -apple-system, sans-serif;
  --f-body:  'IBM Plex Sans', -apple-system, sans-serif;
  --f-mono:  'IBM Plex Mono', ui-monospace, monospace;

  --wrap:    1280px;
  --gut:     clamp(20px, 4vw, 56px);
  --pad-y:   clamp(72px, 9vw, 140px);
  --r:       14px;
  --ease:    cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--f-body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--f-disp);font-weight:700;letter-spacing:-.025em;line-height:1.08}
p{margin:0}
::selection{background:var(--sig);color:#0B0F17}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
section{position:relative;padding-block:var(--pad-y)}
.sec--tint{background:var(--bg-1)}
.sec--panel{background:linear-gradient(180deg,var(--bg-1),var(--bg-2))}

/* hairline top border with a bright segment — a "signal on the wire" */
.rule{position:absolute;inset:0 0 auto;height:1px;background:var(--line);overflow:hidden}
.rule::after{
  content:'';position:absolute;top:0;left:0;height:100%;width:180px;
  background:linear-gradient(90deg,transparent,var(--cy),transparent);
  animation:slide 7s var(--ease) infinite;opacity:.75;
}
@keyframes slide{0%{transform:translateX(-200px)}100%{transform:translateX(100vw)}}

/* ---------- type ---------- */
h1{font-size:clamp(40px,6.4vw,82px);font-weight:800;letter-spacing:-.035em}
h1 em{font-style:normal;color:var(--sig)}
h2{font-size:clamp(30px,4.1vw,54px);font-weight:700}
h3{font-size:clamp(21px,2.1vw,28px);font-weight:600;letter-spacing:-.02em}
h4{font-size:17px;font-weight:600;letter-spacing:-.01em}

.eyebrow{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--sig);
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--sig);flex:none}
.eyebrow--cy{color:var(--cy)}
.eyebrow--cy::before{background:var(--cy)}

.lede{font-size:clamp(16.5px,1.5vw,19.5px);color:var(--txt-2);line-height:1.72;max-width:62ch}
.small{font-size:14.5px;color:var(--txt-2);line-height:1.7}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-3)}

.head{max-width:80ch;margin-bottom:clamp(40px,5vw,68px)}
.head h2+.lede{margin-top:22px}

/* section index, vertical on the left rail */
.sec-num{
  position:absolute;top:calc(var(--pad-y) - 6px);left:max(14px,calc((100vw - var(--wrap))/2 - 42px));
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--txt-3);
  writing-mode:vertical-rl;display:none;
}
@media(min-width:1440px){.sec-num{display:block}}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,12,.72);backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.nav__logo{display:flex;align-items:center;gap:11px;flex:none}
.nav__logo svg{width:30px;height:30px}
.nav__word{
  font-family:var(--f-disp);font-weight:800;font-size:19px;
  letter-spacing:.14em;
}
.nav__links{display:flex;align-items:center;gap:6px}
.nav__link{
  position:relative;padding:9px 15px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--txt-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav__link:hover{color:var(--txt);background:rgba(255,255,255,.045)}
.nav__link.is-active{color:var(--txt)}
.nav__link.is-active::after{
  content:'';position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--sig);border-radius:2px;
}
.nav__cta{
  margin-left:10px;padding:10px 20px;border-radius:9px;
  background:var(--sig);color:#0A0D14;font-weight:600;font-size:14.5px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav__cta:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(245,158,11,.32)}
.nav__burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:9px;position:relative}
.nav__burger span,.nav__burger::before,.nav__burger::after{
  content:'';position:absolute;left:11px;width:18px;height:1.5px;background:var(--txt);
  transition:.25s var(--ease);
}
.nav__burger span{top:19.2px}
.nav__burger::before{top:13px}.nav__burger::after{top:25px}
.nav.is-open .nav__burger span{opacity:0}
.nav.is-open .nav__burger::before{top:19.2px;transform:rotate(45deg)}
.nav.is-open .nav__burger::after{top:19.2px;transform:rotate(-45deg)}

@media(max-width:940px){
  .nav__burger{display:block}
  .nav__links{
    position:fixed;inset:70px 0 auto;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-1);border-bottom:1px solid var(--line);padding:14px var(--gut) 26px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s var(--ease);
  }
  .nav.is-open .nav__links{transform:none;opacity:1;pointer-events:auto}
  .nav__link{padding:13px 4px;font-size:16px}
  .nav__link.is-active::after{left:4px;right:auto;width:18px}
  .nav__cta{margin:12px 0 0;text-align:center;padding:14px}
}

/* ---------- buttons ---------- */
.btn{
  --bd:var(--line-2);
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border:1px solid var(--bd);border-radius:10px;
  font-size:15px;font-weight:500;color:var(--txt);
  transition:.24s var(--ease);position:relative;overflow:hidden;
}
.btn::after{
  content:'→';font-family:var(--f-mono);font-size:14px;
  transition:transform .24s var(--ease);
}
.btn:hover{--bd:var(--line-3);background:rgba(255,255,255,.04);transform:translateY(-2px)}
.btn:hover::after{transform:translateX(4px)}
.btn--solid{background:var(--sig);border-color:var(--sig);color:#0A0D14;font-weight:600}
.btn--solid:hover{background:var(--sig-2);border-color:var(--sig-2);box-shadow:0 12px 32px rgba(245,158,11,.3)}
.btn--ghost{border-color:transparent;padding-inline:0}
.btn--ghost:hover{background:none;transform:none;color:var(--sig)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:clamp(600px,92vh,900px);
  display:flex;align-items:center;padding-block:clamp(70px,10vh,120px);
  border-bottom:1px solid var(--line);overflow:hidden;
}
#mesh{position:absolute;inset:0;width:100%;height:100%;opacity:.62}
.hero__veil{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 500px at 78% 28%, rgba(34,211,238,.10), transparent 70%),
    radial-gradient(700px 480px at 12% 76%, rgba(245,158,11,.09), transparent 70%),
    linear-gradient(180deg, rgba(5,7,12,.30) 0%, rgba(5,7,12,.62) 62%, var(--bg) 100%);
}
.hero__in{position:relative;z-index:2;width:100%}
.hero__grid{display:grid;grid-template-columns:1.55fr .85fr;gap:clamp(32px,5vw,72px);align-items:end}
@media(max-width:1020px){.hero__grid{grid-template-columns:1fr;align-items:start}}
.hero h1{max-width:16ch}
.hero__lede{margin-top:26px;max-width:56ch}

.hero__panel{
  border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(20,28,43,.78),rgba(9,13,21,.72));
  backdrop-filter:blur(10px);padding:22px;
}
.hero__panel h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--txt-3);font-weight:500;margin-bottom:16px}
.hero__row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.hero__row:last-child{border-bottom:0;padding-bottom:0}
.hero__row span:first-child{color:var(--txt-2)}
.hero__row b{font-family:var(--f-mono);font-weight:500;font-size:13px;color:var(--txt)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;
  margin-right:7px;box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;
  border:1px solid var(--line-2);border-radius:999px;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--txt-2);background:rgba(255,255,255,.025);
}
.chip i{width:5px;height:5px;border-radius:50%;background:var(--cy);flex:none}

/* ---------- stat band ---------- */
.band{border-block:1px solid var(--line);background:var(--bg-1)}
.band__grid{display:grid;grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.band__grid{grid-template-columns:repeat(2,1fr)}}
.band__cell{padding:clamp(28px,3.4vw,44px) clamp(18px,2.4vw,34px);border-right:1px solid var(--line)}
.band__cell:last-child{border-right:0}
@media(max-width:860px){
  .band__cell:nth-child(2n){border-right:0}
  .band__cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
.band__n{
  font-family:var(--f-disp);font-size:clamp(34px,4.2vw,52px);font-weight:800;
  letter-spacing:-.04em;line-height:1;color:var(--txt);display:flex;align-items:baseline;gap:2px;
}
.band__n small{font-size:.5em;font-weight:700;color:var(--sig)}
.band__l{margin-top:12px;font-size:13.5px;color:var(--txt-3);line-height:1.5}

/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1020px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

.card{
  position:relative;padding:30px 28px 32px;border:1px solid var(--line);
  border-radius:var(--r);background:var(--bg-1);overflow:hidden;
  transition:.3s var(--ease);
}
.card::before{
  content:'';position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,var(--sig),transparent);
  opacity:0;transition:opacity .3s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--bg-2)}
.card:hover::before{opacity:1}
.card__i{
  width:42px;height:42px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-2);background:var(--sig-dim);margin-bottom:20px;
}
.card__i svg{width:20px;height:20px;stroke:var(--sig);fill:none;stroke-width:1.6}
.card--cy .card__i{background:var(--cy-dim)}
.card--cy .card__i svg{stroke:var(--cy)}
.card--cy::before{background:linear-gradient(90deg,transparent,var(--cy),transparent)}
.card h3,.card h4{margin-bottom:11px}
.card p{font-size:14.5px;color:var(--txt-2);line-height:1.68}
.card__tag{
  display:block;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--txt-3);
}
.card__n{
  position:absolute;top:22px;right:26px;font-family:var(--f-mono);
  font-size:12px;color:var(--txt-3);letter-spacing:.1em;
}

/* ---------- numbered list rows ---------- */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:64px 1.1fr 2fr;gap:clamp(16px,3vw,40px);
  padding:clamp(22px,2.8vw,34px) 0;border-bottom:1px solid var(--line);
  transition:.28s var(--ease);
}
.row:hover{background:linear-gradient(90deg,rgba(245,158,11,.045),transparent 60%)}
@media(max-width:860px){.row{grid-template-columns:44px 1fr;gap:16px}.row p{grid-column:2}}
.row__n{font-family:var(--f-mono);font-size:12.5px;color:var(--sig);letter-spacing:.08em;padding-top:4px}
.row h4{font-size:19px}
.row p{font-size:14.5px;color:var(--txt-2);line-height:1.7}

/* ---------- pipeline ---------- */
.pipe{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:14px}
@media(max-width:1020px){.pipe{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pipe{grid-template-columns:1fr}}
.pipe__s{
  position:relative;padding:24px 20px 26px;border:1px solid var(--line);
  border-radius:12px;background:var(--bg-1);transition:.3s var(--ease);
}
.pipe__s:hover{border-color:var(--cy);background:var(--bg-2)}
.pipe__s::after{
  content:'';position:absolute;top:50%;right:-13px;width:12px;height:1px;
  background:var(--line-2);z-index:1;
}
.pipe__s:last-child::after{display:none}
@media(max-width:1020px){.pipe__s::after{display:none}}
.pipe__k{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cy);margin-bottom:14px;display:block}
.pipe__s h4{margin-bottom:9px}
.pipe__s p{font-size:13.5px;color:var(--txt-2);line-height:1.62}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
@media(max-width:940px){.split{grid-template-columns:1fr}}
.split--rev>*:first-child{order:2}
@media(max-width:940px){.split--rev>*:first-child{order:0}}

/* terminal / evidence panel */
.term{
  border:1px solid var(--line-2);border-radius:12px;overflow:hidden;
  background:var(--bg-1);box-shadow:0 30px 70px rgba(0,0,0,.5);
}
.term__bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:var(--bg-2);
}
.term__bar i{width:9px;height:9px;border-radius:50%;background:var(--bg-4)}
.term__bar span{margin-left:8px;font-family:var(--f-mono);font-size:11.5px;color:var(--txt-3);letter-spacing:.08em}
.term__body{padding:20px 18px;font-family:var(--f-mono);font-size:12.5px;line-height:1.95}
.term__body .k{color:var(--txt-3)}
.term__body .v{color:var(--txt)}
.term__body .a{color:var(--sig)}
.term__body .c{color:var(--cy)}
.term__body .g{color:var(--ok)}
.term__body .r{color:var(--bad)}

/* ---------- table ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-2);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--txt-3);font-weight:500;white-space:nowrap;
}
.tbl td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--txt-2);vertical-align:top}
.tbl tr:hover td{background:rgba(255,255,255,.02);color:var(--txt)}
.tbl td:first-child{color:var(--txt);font-weight:500}
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--bg-1)}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc__i{border-bottom:1px solid var(--line)}
.acc__q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  padding:24px 0;text-align:left;font-family:var(--f-disp);font-size:18px;
  font-weight:600;letter-spacing:-.015em;transition:color .2s var(--ease);
}
.acc__q:hover{color:var(--sig)}
.acc__q i{
  flex:none;width:26px;height:26px;border:1px solid var(--line-2);border-radius:7px;
  position:relative;transition:.28s var(--ease);
}
.acc__q i::before,.acc__q i::after{
  content:'';position:absolute;inset:50% 6px auto;height:1.5px;background:var(--txt-2);
  transform:translateY(-50%);transition:.28s var(--ease);
}
.acc__q i::after{transform:translateY(-50%) rotate(90deg)}
.acc__i.is-open .acc__q i{border-color:var(--sig);background:var(--sig-dim)}
.acc__i.is-open .acc__q i::after{transform:translateY(-50%) rotate(0)}
.acc__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.acc__a p{padding-bottom:26px;font-size:15px;color:var(--txt-2);line-height:1.75;max-width:78ch}

/* ---------- CTA ---------- */
.cta{
  position:relative;border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  padding:clamp(40px,6vw,76px);text-align:center;
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(245,158,11,.14), transparent 70%),
    linear-gradient(180deg,var(--bg-2),var(--bg-1));
}
.cta h2{max-width:20ch;margin-inline:auto}
.cta .lede{margin:22px auto 0;text-align:center}
.cta .btn-row{justify-content:center}

/* ---------- footer ---------- */
.ft{border-top:1px solid var(--line);background:var(--bg-1);padding-block:clamp(50px,6vw,76px) 30px}
.ft__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:clamp(26px,4vw,56px)}
@media(max-width:940px){.ft__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ft__grid{grid-template-columns:1fr}}
.ft__logo{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.ft__logo svg{width:30px;height:30px}
.ft__logo span{font-family:var(--f-disp);font-weight:800;font-size:19px;letter-spacing:.14em}
.ft p{font-size:14px;color:var(--txt-3);line-height:1.7;max-width:38ch}
.ft h5{
  margin:0 0 16px;font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--txt-3);font-weight:500;
}
.ft__l{display:flex;flex-direction:column;gap:11px}
.ft__l a{font-size:14.5px;color:var(--txt-2);transition:color .2s var(--ease);width:fit-content}
.ft__l a:hover{color:var(--sig)}
.ft__bot{
  margin-top:clamp(40px,5vw,64px);padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;color:var(--txt-3);
}

/* ---------- forms ---------- */
.field{margin-bottom:20px}
.field label{
  display:block;margin-bottom:9px;font-family:var(--f-mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3);
}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border:1px solid var(--line-2);border-radius:10px;
  background:var(--bg-1);color:var(--txt);font-family:var(--f-body);font-size:15px;
  transition:.2s var(--ease);
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--sig);box-shadow:0 0 0 3px var(--sig-dim);
}
.field textarea{resize:vertical;min-height:130px}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}
.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}
.rv-d5{transition-delay:.40s}.rv-d6{transition-delay:.48s}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .rule::after,.dot{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- utilities ---------- */
.center{text-align:center}
.mt-s{margin-top:20px}.mt-m{margin-top:38px}.mt-l{margin-top:62px}
.maxw{max-width:76ch}
.hr{height:1px;background:var(--line);border:0;margin-block:clamp(40px,5vw,70px)}