/* crashratedgate.com — v1
   Palette: concrete base, blue-black ink, hot-rolled steel grey, hazard yellow reserved for ratings.
   Type: Archivo (variable width axis). Expanded for headlines, normal for body. */

:root{
  --concrete:#EEF0EE;
  --plate:#17242F;
  --plate-deep:#0F1820;
  --steel:#5C6B78;
  --seam:#C7CDD0;
  --ink:#141B21;
  --hazard:#F2B01E;
  --hazard-ink:#2A1F00;
  --white:#FAFBFA;

  --measure:62ch;
  --gutter:clamp(1.25rem,4vw,3.5rem);
  --wide:1240px;

  --step--1:.875rem;
  --step-0:1.0625rem;
  --step-1:1.25rem;
  --step-2:1.5625rem;
  --step-3:2rem;
  --step-4:clamp(2rem,3.6vw,2.9rem);
  --step-5:clamp(2.3rem,4.6vw,3.8rem);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  overflow-x:clip;
  margin:0;
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:var(--step-0);
  line-height:1.55;
  color:var(--ink);
  background:var(--concrete);
  font-variation-settings:"wdth" 100;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration-color:var(--steel);text-underline-offset:.15em}
a:hover{text-decoration-color:var(--ink)}
:focus-visible{outline:3px solid var(--hazard);outline-offset:3px}
h1,h2,h3,h4{margin:0;line-height:1.08;font-weight:600;font-stretch:112%;letter-spacing:-.01em}
h1{font-size:var(--step-5);font-weight:700}
h2{font-size:var(--step-4)}
h3{font-size:var(--step-2);font-stretch:105%}
h4{font-size:var(--step-1);font-stretch:100%}
p{margin:0 0 1em;max-width:var(--measure)}
ul,ol{padding-left:1.2em}
.wrap{width:min(100% - 2*var(--gutter),var(--wide));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--hazard);color:var(--hazard-ink);padding:.6em 1em;font-weight:600;z-index:100}
.skip:focus{left:var(--gutter)}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--concrete);
  border-bottom:2px solid var(--plate);
}
.site-header .wrap{display:flex;align-items:center;gap:1.5rem;min-height:74px}
.brand{display:block;line-height:0}
.brand img{height:74px;width:auto;margin:3px 0}
.nav{margin-left:auto;display:flex;gap:1.5rem;align-items:center}
.nav a{text-decoration:none;font-weight:500;font-size:var(--step--1)}
.nav a:hover{text-decoration:underline}
.tel{font-weight:700;font-variant-numeric:tabular-nums;text-decoration:none;padding:.5em .9em;background:var(--plate);color:var(--white);border-radius:2px}
.tel:hover{background:var(--plate-deep)}
.nav-toggle{display:none;margin-left:auto;background:none;border:2px solid var(--plate);padding:.4em .7em;font:inherit;font-weight:600;border-radius:2px}
@media (max-width:860px){
  .nav-toggle{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--concrete);border-bottom:2px solid var(--plate);flex-direction:column;align-items:stretch;padding:1rem var(--gutter) 1.25rem;gap:.9rem}
  .nav.open{display:flex}
  .nav a{font-size:var(--step-0)}
  .tel{text-align:center}
}

/* hero */
.hero{background:var(--plate);color:var(--white);padding:clamp(3rem,7vw,6rem) 0 clamp(6rem,12vw,10rem);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.hero h1{max-width:20ch}
.hero .lede{font-size:var(--step-1);color:#C9D2D9;max-width:48ch;margin-top:1.5rem}
.hero .actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.btn{display:inline-block;padding:.85em 1.4em;font-weight:600;text-decoration:none;border-radius:2px;border:2px solid transparent;font-size:var(--step-0);line-height:1.2}
.btn-hazard{background:var(--hazard);color:var(--hazard-ink);border-color:var(--hazard)}
.btn-hazard:hover{background:#FFC533}
.btn-outline{border-color:#8A97A2;color:var(--white)}
.btn-outline:hover{border-color:var(--white)}
.btn-plate{background:var(--plate);color:var(--white);border-color:var(--plate)}
.btn-plate:hover{background:var(--plate-deep)}
.hero-note{margin-top:2.25rem;color:#9AA7B1;font-size:var(--step--1);max-width:52ch}
.hero-note a{color:#C9D2D9}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* rating plate — the one bold element */
.plate{
  background:var(--plate-deep);
  border:1px solid #2C3B48;
  border-radius:4px;
  padding:1.5rem;
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03), 0 30px 60px -30px rgba(0,0,0,.8);
}
@media (prefers-reduced-motion:no-preference){
  .js-ready .plate{animation:stamp .7s cubic-bezier(.2,.8,.2,1) both}
  @keyframes stamp{from{opacity:0;transform:scale(1.03) translateY(6px)}to{opacity:1;transform:none}}
}
.plate::before,.plate::after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#0A1016;box-shadow:inset 0 1px 2px rgba(255,255,255,.15)}
.plate::before{top:10px;left:10px}
.plate::after{bottom:10px;right:10px}
.plate-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;border-bottom:1px solid #2C3B48;padding-bottom:.9rem;margin-bottom:1rem}
.plate-head strong{font-stretch:112%;font-weight:600;font-size:var(--step--1);color:#C9D2D9}
.plate-head span{color:#7F8D98;font-size:var(--step--1)}
.rating-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin:0;padding:0;list-style:none}
.rating-tabs button{
  width:100%;font:inherit;font-weight:700;font-stretch:112%;font-size:var(--step-2);
  padding:.6em 0;background:transparent;color:#8A97A2;border:1px solid #2C3B48;border-radius:2px;cursor:pointer
}
.rating-tabs button:hover{color:var(--white);border-color:#5C6B78}
.rating-tabs button[aria-selected="true"]{background:var(--hazard);color:var(--hazard-ink);border-color:var(--hazard)}
.plate-body{margin-top:1.25rem}
.plate-body dl{display:grid;grid-template-columns:auto 1fr;gap:.55rem 1.25rem;margin:0;font-size:var(--step--1)}
.plate-body dt{color:#7F8D98}
.plate-body dd{margin:0;color:var(--white);font-variant-numeric:tabular-nums}
.plate-body dd b{font-weight:600}
.plate-foot{margin-top:1.25rem;padding-top:1rem;border-top:1px solid #2C3B48;color:#9AA7B1;font-size:var(--step--1)}
.plate-foot p{margin:0;max-width:none}
.pen-scale{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;margin-top:1rem}
.pen-scale div{padding:.45em .3em;text-align:center;font-size:.72rem;white-space:nowrap;font-weight:600;background:#1B2833;color:#7F8D98;border-radius:2px}
.pen-scale div.on{background:var(--hazard);color:var(--hazard-ink)}

/* sections */
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(1.5rem,4vw,4rem);align-items:end;margin-bottom:clamp(2rem,4vw,3.5rem)}
.section-head p{margin:0;color:var(--steel);font-size:var(--step-1);max-width:48ch}
@media (max-width:780px){.section-head{grid-template-columns:1fr}}
.alt{background:var(--white)}
.seam{border-top:2px solid var(--plate)}

/* ratings table */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.rtable{width:100%;min-width:640px;border-collapse:collapse;font-size:var(--step--1);font-variant-numeric:tabular-nums}
.rtable th,.rtable td{text-align:left;padding:.85em .75em;border-bottom:1px solid var(--seam);vertical-align:top}
.rtable thead th{border-bottom:2px solid var(--plate);font-weight:600}
.rtable td:first-child{font-weight:700;font-stretch:112%;white-space:nowrap}
.rtable .k{display:inline-block;background:var(--hazard);color:var(--hazard-ink);padding:.15em .5em;border-radius:2px;font-weight:700}
.two-col{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
@media (max-width:860px){.two-col{grid-template-columns:1fr}}
.aside{border-left:4px solid var(--hazard);padding-left:1.25rem}
.aside h3{margin-bottom:.6rem}
.aside p{font-size:var(--step--1)}

/* systems — spec-sheet rows, not cards */
.systems{list-style:none;margin:0;padding:0;border-top:2px solid var(--plate)}
.systems li{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr) minmax(0,.9fr);gap:1.5rem 2rem;padding:1.75rem 0;border-bottom:1px solid var(--seam)}
.systems h3{max-width:14ch}
.systems p{margin:0;font-size:var(--step-0)}
.systems .use{color:var(--steel);font-size:var(--step--1)}
.systems .use strong{display:block;color:var(--ink);margin-bottom:.25rem}
@media (max-width:860px){.systems li{grid-template-columns:1fr;gap:.9rem}}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px;background:var(--seam);border:2px solid var(--plate)}
.sectors article{background:var(--concrete);padding:1.5rem}
.sectors h3{font-size:var(--step-1);margin-bottom:.5rem}
.sectors p{margin:0;font-size:var(--step--1);color:#3B4753}
.sectors .std{display:block;margin-top:.9rem;font-size:.8rem;color:var(--steel);font-variant-numeric:tabular-nums}

/* process — genuinely sequential, so numbered */
.process{list-style:none;counter-reset:step;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:2.5rem 2rem}
.process li{counter-increment:step;position:relative;padding-top:2.75rem}
.process li::before{content:counter(step);position:absolute;top:0;left:0;font-weight:700;font-stretch:112%;font-size:var(--step-2);color:var(--plate);border-top:3px solid var(--plate);padding-top:.15em;width:100%}
.process h3{font-size:var(--step-1);margin-bottom:.4rem}
.process p{margin:0;font-size:var(--step--1)}

/* faq */
.faq{border-top:2px solid var(--plate)}
.faq details{border-bottom:1px solid var(--seam)}
.faq summary{cursor:pointer;padding:1.1rem 0;font-weight:600;font-size:var(--step-1);list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:baseline}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;color:var(--steel);font-size:var(--step-2);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 1.25rem;max-width:var(--measure)}
.faq .a p:last-child{margin-bottom:0}

/* network */
.network{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.network a{display:block;text-decoration:none;padding:1.5rem;background:var(--plate);color:var(--white);border-radius:3px;border:2px solid var(--plate)}
.network a:hover{border-color:var(--hazard)}
.network h3{font-size:var(--step-1);color:var(--white);margin-bottom:.4rem}
.network p{margin:0;font-size:var(--step--1);color:#C9D2D9}
.network .url{display:block;margin-top:1rem;color:var(--hazard);font-weight:600;font-size:var(--step--1)}

/* contact */
.contact .two-col{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.form{display:grid;gap:1rem}
.form label{display:grid;gap:.35rem;font-weight:500;font-size:var(--step--1)}
.form input,.form select,.form textarea{font:inherit;padding:.7em .8em;border:1px solid var(--steel);border-radius:2px;background:var(--white);color:var(--ink);width:100%}
.form textarea{min-height:120px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.form .hp{position:absolute;left:-9999px}
.form-status{font-size:var(--step--1);min-height:1.5em}
.nap{font-size:var(--step-0)}
.nap p{margin-bottom:.75em}
.nap strong{display:block;font-stretch:112%}

/* footer */
.site-footer{background:var(--plate-deep);color:#9AA7B1;padding:2.5rem 0 3rem;font-size:var(--step--1)}
.site-footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.site-footer a{color:#C9D2D9}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
.site-footer .legal{max-width:none;grid-column:1/-1;border-top:1px solid #2C3B48;padding-top:1.25rem;margin-top:.5rem}
@media (max-width:700px){.site-footer .wrap{grid-template-columns:1fr}}

.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.two-col > *{min-width:0}
.hero .wrap > *{min-width:0}
@media (max-width:480px){.brand img{height:56px}}

/* logos */
.chip{display:inline-flex;align-items:center;gap:.7rem;background:var(--white);border-radius:3px;padding:.45rem .7rem;line-height:0}
.chip img{height:22px;width:auto}
.network .chip{margin-bottom:1.1rem}
.chip-link{text-decoration:none;color:var(--plate);margin-top:1.25rem}
.chip-link span{line-height:1.2;font-size:var(--step--1);font-weight:600}
.nap-logo{height:96px;width:auto;margin-bottom:1.25rem}
.parent-line{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;font-size:var(--step--1);color:var(--steel);margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--seam)}
.parent-line img{height:18px;width:auto}
.foot-brand img{height:84px;width:auto;margin-bottom:1rem}
.foot-brand .chip img{height:20px;margin:0}

/* ===== v3: photo hero, hazard seam, impact simulator, cornerstone gate, system schematics ===== */
.hazard-seam{height:10px;background:repeating-linear-gradient(-45deg,var(--hazard) 0 18px,var(--plate-deep) 18px 36px)}

.hero{background:var(--plate-deep);isolation:isolate}
.hero .bg{position:absolute;inset:0;z-index:-2;background:url(/assets/gate-hero.jpg) 62% 55%/cover no-repeat}
.hero .veil{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(15,24,32,.97) 0%,rgba(15,24,32,.9) 36%,rgba(15,24,32,.35) 58%,rgba(15,24,32,.12) 100%),
  linear-gradient(180deg,rgba(15,24,32,.3),rgba(15,24,32,0) 35%,rgba(15,24,32,.5) 100%)}
@media (max-width:900px){.hero .veil{background:linear-gradient(180deg,rgba(15,24,32,.92) 0%,rgba(15,24,32,.8) 50%,rgba(15,24,32,.94) 100%)}}
.hero-caption{position:absolute;right:var(--gutter);bottom:1rem;color:#9AA7B1;font-size:.78rem;max-width:34ch;text-align:right}
@media (max-width:900px){.hero-caption{position:static;text-align:left;margin-top:1.5rem;max-width:none}}
.plate{backdrop-filter:blur(8px);background:rgba(15,24,32,.86)}

/* impact simulator */
.sim{background:var(--plate-deep);color:var(--white);border-radius:4px;padding:1.5rem;margin-bottom:clamp(2rem,4vw,3.5rem);border:1px solid #2C3B48}
.sim-top{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:flex-end;justify-content:space-between;margin-bottom:1rem}
.sim-top h3{color:var(--white)}
.sim-top p{margin:0;color:#9AA7B1;font-size:var(--step--1);max-width:52ch}
.sim-controls{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center}
.seg{display:inline-flex;border:1px solid #2C3B48;border-radius:2px;overflow:hidden}
.seg button{font:inherit;font-weight:600;font-size:var(--step--1);padding:.5em .9em;background:transparent;color:#9AA7B1;border:0;border-right:1px solid #2C3B48;cursor:pointer}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--hazard);color:var(--hazard-ink)}
.seg button:hover{color:var(--white)}
.sim-run{font:inherit;font-weight:700;padding:.55em 1.2em;background:var(--white);color:var(--plate);border:0;border-radius:2px;cursor:pointer}
.sim-run:hover{background:#fff}
.sim svg{width:100%;height:auto;display:block;margin-top:1rem}
.sim-read{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-top:1rem;padding-top:1rem;border-top:1px solid #2C3B48}
.sim-read div{font-size:var(--step--1);color:#9AA7B1}
.sim-read b{display:block;font-size:var(--step-2);font-stretch:112%;color:var(--white);font-variant-numeric:tabular-nums;line-height:1.1}
.sim-read b.ok{color:var(--hazard)}
.sim-read b.no{color:#FF7A59}

/* cornerstone gate */
.corner{background:var(--plate);color:var(--white)}
.corner .section-head p{color:#C9D2D9}
.corner h2{color:var(--white)}
.spot-wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
@media (max-width:860px){.spot-wrap{grid-template-columns:1fr}}
.spot-photo{position:relative;border-radius:4px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(0,0,0,.9)}
.spot-photo img{width:100%;height:auto;display:block}
.spot{position:absolute;width:34px;height:34px;transform:translate(-50%,-50%);border-radius:50%;background:var(--hazard);color:var(--hazard-ink);font:inherit;font-weight:800;font-size:.9rem;border:3px solid var(--plate-deep);cursor:pointer;box-shadow:0 0 0 0 rgba(242,176,30,.6)}
@media (prefers-reduced-motion:no-preference){.spot{animation:pulse 2.4s ease-out infinite}.spot:nth-child(3){animation-delay:.6s}.spot:nth-child(4){animation-delay:1.2s}.spot:nth-child(5){animation-delay:1.8s}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(242,176,30,.55)}70%{box-shadow:0 0 0 16px rgba(242,176,30,0)}100%{box-shadow:0 0 0 0 rgba(242,176,30,0)}}}
.spot[aria-expanded="true"]{background:var(--white);animation:none}
.spot-notes{list-style:none;margin:0;padding:0;counter-reset:spot}
.spot-notes li{counter-increment:spot;display:grid;grid-template-columns:34px 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid #2C3B48;cursor:pointer}
.spot-notes li::before{content:counter(spot);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:#2C3B48;color:#C9D2D9}
.spot-notes li.on::before{background:var(--hazard);color:var(--hazard-ink)}
.spot-notes h3{font-size:var(--step-1);color:var(--white);margin-bottom:.3rem}
.spot-notes p{margin:0;font-size:var(--step--1);color:#C9D2D9}
.spot-notes li:not(.on) p{display:none}
@media (max-width:860px){.spot-notes li:not(.on) p{display:block}}
.corner-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid #2C3B48}
.corner-stats b{display:block;font-size:var(--step-3);font-stretch:112%;color:var(--hazard);line-height:1;font-variant-numeric:tabular-nums}
.corner-stats span{font-size:var(--step--1);color:#C9D2D9}

/* system schematics */
.systems li{grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr) minmax(0,.9fr)}
.systems .schem{display:block;width:100%;max-width:220px;height:auto;margin-top:.9rem}
.schem .st{fill:none;stroke:var(--plate);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.schem .hz{fill:var(--hazard)}
.schem .gr{fill:none;stroke:var(--seam);stroke-width:2}
.schem .fl{fill:var(--plate)}

/* contact page */
.page-hero{background:var(--plate);color:var(--white);padding:clamp(2.5rem,5vw,4rem) 0}
.page-hero h1{font-size:var(--step-4);max-width:22ch}
.page-hero p{color:#C9D2D9;font-size:var(--step-1);margin-top:1rem;max-width:52ch}
.map{border:0;width:100%;height:320px;border-radius:3px;display:block;filter:grayscale(.3) contrast(1.05)}
.checklist{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.5rem}
.checklist li{display:grid;grid-template-columns:14px 1fr;gap:.75rem;align-items:start;font-size:var(--step--1)}
.checklist li::before{content:"";width:14px;height:14px;margin-top:.35em;background:var(--hazard);border-radius:2px}
.nav a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--hazard);text-decoration-thickness:3px}