/* ==========================================================================
   Surge · standalone product landing page
   Precision Systems v3 skin: graphite drafting sheet, hairlines,
   safety orange callouts. Archivo · IBM Plex Mono
   ========================================================================== */

:root{
  --ink:#14171b;
  --ink2:#171b20;
  --panel:#171b20;
  --panel2:#1b2026;
  --line:rgba(236,238,233,.09);
  --line2:rgba(236,238,233,.16);
  --txt:#eceee9;
  --mut:#8d959e;
  --dim:#6d757e;
  --teal:#ff5c1f;      /* legacy accent var, now safety orange */
  --violet:#ff5c1f;
  --pink:#ff5c1f;
  --grad:none;
  --wrap:1240px;
  --r:0px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--txt);
  font-family:'Archivo',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    linear-gradient(rgba(236,238,233,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(236,238,233,.035) 1px,transparent 1px);
  background-size:28px 28px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:#ff5c1f;color:#14171b}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- shared type ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:#ff5c1f;margin-bottom:22px;
}
.eyebrow::before{content:"";width:6px;height:6px;background:#ff5c1f}

h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.05;font-weight:600}
h1{font-size:clamp(40px,6.4vw,78px)}
h2{font-size:clamp(30px,4.4vw,54px)}
h3{font-size:19px;letter-spacing:-.01em;line-height:1.3}
.grad-txt{color:#ff5c1f}
.lede{font-size:clamp(16px,1.8vw,18.5px);color:var(--mut);max-width:62ch;margin:22px 0 0}

.section{padding:clamp(90px,13vh,140px) 0}
section[id]{scroll-margin-top:78px}
.section-head{max-width:760px;margin-bottom:56px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:16px 28px;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;border:0;cursor:pointer;
  transition:background .25s,color .25s,border-color .25s;
}
.btn-primary{background:#ff5c1f;color:#14171b}
.btn-primary:hover{background:#ff7a45}
.btn-ghost{color:var(--txt);background:transparent;box-shadow:inset 0 0 0 1px var(--line2)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px #ff5c1f;color:#ff5c1f}
.btn:focus-visible,a:focus-visible{outline:2px solid #ff5c1f;outline-offset:3px}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:90;
  transition:background .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;
}
.nav.stuck{background:rgba(20,23,27,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:18px;letter-spacing:-.01em}
.brand .bolt{
  width:30px;height:30px;border:1px solid var(--line2);background:transparent;
  display:grid;place-items:center;color:#ff5c1f;font-size:14px;font-weight:600;
  font-family:'IBM Plex Mono',monospace;
}
.byline{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim);padding-left:14px;border-left:1px solid var(--line2);
  transition:color .25s;white-space:nowrap;
}
.byline strong{font-weight:600;color:var(--mut)}
.byline:hover,.byline:hover strong{color:#ff5c1f}
@media(max-width:1080px){.byline{display:none}}
.nav-links{display:flex;gap:26px;margin-left:auto;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.nav-links a{transition:color .25s}
.nav-links a:hover{color:var(--txt)}
.nav .btn{padding:11px 20px;font-size:11px}
@media(max-width:900px){.nav-links{display:none}.nav-in{gap:16px}.nav .btn{margin-left:auto}}

/* ---------- hero ---------- */
.hero{position:relative;padding:190px 0 0;text-align:center;overflow:hidden}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin-bottom:8px}

/* aurora removed in the v3 skin */
.aurora{display:none}
@keyframes aur1{to{transform:none}}
@keyframes aur2{to{transform:none}}
@keyframes aur3{to{transform:none}}

/* staggered entrance on load */
@keyframes riseIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.hero .eyebrow,.hero h1,.hero .lede,.hero .hero-ctas,.hero .hero-note{animation:riseIn .9s var(--ease) both}
.hero h1{animation-delay:.08s}
.hero .lede{animation-delay:.18s}
.hero .hero-ctas{animation-delay:.3s}
.hero .hero-note{animation-delay:.44s}

.shimmer{animation:none}
@keyframes shimmer{0%,100%{background-position:0 0}}
.hero .lede{margin:26px auto 0;text-align:center}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:38px}
.hero-note{margin-top:20px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;color:var(--dim)}

/* hero product shot, scales up on scroll */
.hero-shot{margin-top:64px;padding-bottom:40px;perspective:1600px}
.hero-shot .shell{
  transform:scale(var(--s,.92)) translateY(var(--y,36px)) rotateX(var(--rx,5deg));
  transform-origin:50% 0;will-change:transform;
}

/* ---------- browser chrome frame ---------- */
.frame{
  border:1px solid var(--line2);overflow:hidden;background:var(--panel);
}
.frame .bar{
  display:flex;align-items:center;gap:8px;padding:10px 15px;
  border-bottom:1px solid var(--line);
}
.frame .bar i{width:7px;height:7px;border:1px solid var(--dim);background:transparent}
.frame .bar .url{
  margin-left:10px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.1em;color:var(--dim);
}
.frame img{width:100%}
.cap{margin-top:12px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);font-family:'IBM Plex Mono',monospace}
.cap.center{text-align:center}

/* ---------- stat band ---------- */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink2)}
.stats{display:grid;grid-template-columns:repeat(5,1fr)}
.stat{padding:34px 22px;border-right:1px solid var(--line);text-align:center}
.stat:last-child{border-right:0}
.stat .n{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.stat .n .u{font-size:.5em;color:#ff5c1f;margin-left:2px}
.stat .l{display:block;margin-top:10px;font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--dim);letter-spacing:.12em;text-transform:uppercase}
@media(max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--line)}.stat:nth-child(2n){border-right:0}.stat:last-child{grid-column:1/-1;border-bottom:0}}

/* ---------- scroll-scrub stage (sticky) ---------- */
.scrub{position:relative}
.scrub-stage{position:sticky;top:0;height:100vh;display:flex;align-items:center;overflow:hidden}
.scrub-grid{
  display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:52px;align-items:center;
  max-width:1360px;margin:0 auto;padding:0 24px;width:100%;
}
.scrub-steps{list-style:none;margin:0;padding:0}
.scrub-steps li{
  padding:15px 0 15px 20px;border-left:1px solid var(--line);
  color:var(--dim);transition:color .45s var(--ease),border-color .45s var(--ease),transform .45s var(--ease);
}
.scrub-steps li .t{display:block;font-weight:600;font-size:16.5px;color:inherit}
.scrub-steps li .d{display:block;font-size:14px;margin-top:4px;opacity:.85}
.scrub-steps li.on{color:var(--txt);border-left-color:#ff5c1f;transform:translateX(5px)}
.scrub-steps li.on .t{color:#ff5c1f}

.seq{position:relative;overflow:hidden;border:1px solid var(--line2)}
.seq img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .32s linear}
.seq img.on{opacity:1}
.seq img:first-child{position:relative}
@media(max-width:900px){
  .scrub-stage{height:auto;position:relative;padding:40px 0}
  .scrub-grid{grid-template-columns:1fr;gap:28px}
  .seq img{position:relative;opacity:1;margin-bottom:12px;height:auto}
  .seq{border:0}
  .seq img.hide-sm{display:none}
}

/* ---------- white-label: screenshot + brand layers ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);gap:48px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:34px}}

.layers{list-style:none;margin:0;padding:0}
.layers li{
  padding:16px 0;border-bottom:1px dashed var(--line);
  display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:baseline;
}
.layers li:last-child{border-bottom:0}
.layers .k{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:#ff5c1f;
}
.layers .v{font-size:14.5px;color:var(--mut)}
@media(max-width:520px){.layers li{grid-template-columns:1fr;gap:5px}}

/* ---------- cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:980px){.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.grid-2,.grid-3{grid-template-columns:1fr}}

.card{
  background:var(--panel);
  border:0;padding:28px;
  transition:background .3s;
}
.card:hover{background:var(--panel2)}
.card .fn{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:#ff5c1f;letter-spacing:.16em}
.card h3{margin:14px 0 9px}
.card p{margin:0;font-size:14.5px;color:var(--mut)}
/* cards inside plain grid-2 keep their own hairline */
.grid-2>.card{border:1px solid var(--line)}

.mod{
  display:flex;align-items:center;gap:10px;padding:13px 15px;border:0;
  background:var(--panel);font-family:'IBM Plex Mono',monospace;font-size:12px;
  letter-spacing:.06em;color:var(--mut);
  transition:color .3s,background .3s;
}
.mod:hover{color:var(--txt);background:var(--panel2)}
.mod .d{width:5px;height:5px;background:#ff5c1f;flex:none}

/* ---------- phones ---------- */
.phones{display:flex;gap:26px;justify-content:center;flex-wrap:wrap}
.phone{
  width:238px;padding:8px;background:var(--panel2);
  border:1px solid var(--line2);flex:none;
}
.phone .scr{overflow:hidden;position:relative;background:#000}
.phone-cap{text-align:center;margin-top:13px;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);font-family:'IBM Plex Mono',monospace}

/* ---------- architecture diagram ---------- */
.arch{border:1px solid var(--line);padding:34px;background:var(--ink2)}
.arch-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.arch-node{
  border:1px solid var(--line);padding:18px;background:var(--panel);
  text-align:center;font-size:13.5px;
}
.arch-node .h{font-weight:600;font-size:14.5px;display:block;margin-bottom:5px}
.arch-node .db{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:#ff5c1f;margin-top:8px;display:block}
.arch-ctrl{
  border:1px dashed var(--line2);padding:16px;text-align:center;
  font-size:12px;letter-spacing:.06em;color:var(--mut);background:transparent;
}
@media(max-width:720px){.arch-row{grid-template-columns:1fr}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{border-top:1px solid var(--line2);padding-top:22px;transition:border-color .4s}
.step:hover{border-top-color:#ff5c1f}
.step .n{font-family:'IBM Plex Mono',monospace;font-size:11px;color:#ff5c1f;letter-spacing:.14em}
.step h3{margin:12px 0 8px}
.step p{margin:0;color:var(--mut);font-size:14.5px}
@media(max-width:720px){.steps{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta{position:relative;text-align:center;padding:clamp(100px,15vh,160px) 0;overflow:hidden;border-top:1px solid var(--line);background:var(--ink2)}
@keyframes breathe{0%,100%{opacity:1}}
.cta .wrap{position:relative}
.cta .lede{margin:22px auto 0;text-align:center}

/* ---------- contact form ---------- */
.cform{max-width:560px;margin:38px auto 0;text-align:left}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.cf-row{grid-template-columns:1fr}}
.cf-field{display:block;margin-bottom:14px}
.cf-field span{
  display:block;margin-bottom:7px;font-family:'IBM Plex Mono',monospace;
  font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);
}
.cf-field input,.cf-field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line2);
  background:var(--panel);color:var(--txt);font:inherit;font-size:15px;
  transition:border-color .25s;resize:vertical;
}
.cf-field input:focus,.cf-field textarea:focus{
  outline:none;border-color:#ff5c1f;
}
.cf-hp{position:absolute;left:-9999px;top:auto;height:1px;overflow:hidden}
.cform .btn{width:100%;justify-content:center;margin-top:6px}
.cform .btn[disabled]{opacity:.6;cursor:wait}
.cf-note{margin:16px 0 0;text-align:center;font-size:13.5px;color:var(--dim)}
.cf-note a{color:var(--mut);text-decoration:underline;text-underline-offset:3px}
.cf-note a:hover{color:#ff5c1f}
.cf-status{margin:12px 0 0;text-align:center;font-size:14.5px;min-height:1.4em}
.cf-status.ok{color:#ff5c1f}
.cf-status.err{color:#ff5c1f}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:52px 0 40px;background:var(--ink)}
.foot-in{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
.foot p{margin:12px 0 0;font-size:13.5px;color:var(--dim);max-width:44ch}
.foot a{color:var(--mut);transition:color .25s}
.foot a:hover{color:#ff5c1f}
.foot-links{display:flex;gap:30px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.foot-bot{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
}

/* ---------- scrub footnote ---------- */
.scrub-note{
  margin:26px 0 0;padding:14px 16px;border-left:2px solid #ff5c1f;
  font-size:13px;line-height:1.6;color:var(--mut);background:var(--panel);
}

/* ---------- lightbox ---------- */
.zoomable{cursor:zoom-in}
.lightbox{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  flex-direction:column;gap:14px;padding:34px;
  background:rgba(10,12,14,.92);backdrop-filter:blur(10px);
}
.lightbox.open{display:flex}
.lightbox img{
  max-width:min(1500px,94vw);max-height:82vh;width:auto;height:auto;
  border:1px solid var(--line2);
  cursor:zoom-out;
}
.lightbox .lb-cap{
  max-width:80ch;text-align:center;font-size:12px;color:var(--mut);
  font-family:'IBM Plex Mono',monospace;letter-spacing:.06em;
}
.lightbox .lb-x{
  position:absolute;top:20px;right:24px;width:42px;height:42px;
  border:1px solid var(--line2);background:transparent;color:var(--txt);font-size:19px;line-height:1;
  cursor:pointer;transition:border-color .25s,color .25s;
}
.lightbox .lb-x:hover{border-color:#ff5c1f;color:#ff5c1f}
body.lb-lock{overflow:hidden}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
  .hero-shot .shell{transform:none!important}
  .scrub-stage,.wipe-stage{position:relative;height:auto;padding:40px 0}
  .seq img{position:relative;opacity:1}
  .seq img.hide-sm{display:none}
}