/* =========================================================================
   Eastbound Link — v5 "Blackout"
   Homepage only. True black ground, white type, logo gradient as the sole
   colour. Inner pages still use css/styles.css.
   ========================================================================= */

:root{
  --bg:#000;
  --ink:#fff;
  --dim:#9a9a9a;
  --faint:#7d7d7d;
  --line:#1b1b1b;
  --line-2:#262626;
  /* the oxide accent is unreadable on black; use the warm end of the logo gradient */
  --accent:#ff9a5c;
  --grad:linear-gradient(90deg,#f0067b 0%,#fd320b 55%,#fdd906 100%);
  --sans:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --max:1320px;
}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
p{margin:0}
h1,h2,h3{margin:0}

/* gradient hairline pinned to the top of the page */
body::before{content:"";position:fixed;inset:0 0 auto 0;height:2px;background:var(--grad);z-index:80}

.container{width:min(92vw,var(--max));margin-inline:auto}

/* ---------------- header ---------------- */
.site-header{position:relative;z-index:40;border-bottom:1px solid var(--line);background:var(--bg)}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;height:88px;gap:32px}
.site-header .brand{display:inline-flex;align-items:center;flex:none}
.site-header .brand__logo{height:64px;width:auto}   /* full lockup: traces + wordmark + tagline */
.brand__logo{height:40px;width:auto}

.nav__links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0;
  font-size:14px;color:var(--dim)}
.nav__links a{display:inline-block;padding:6px 0}
.nav__links a:hover{color:var(--ink)}
.nav__links .is-active{color:var(--ink)}
.nav__links .is-active::after{content:"";display:block;height:2px;margin-top:4px;background:var(--grad)}

.btn{display:inline-block;background:#fff;color:#000;padding:12px 22px;font-size:13.5px;
  font-weight:600;letter-spacing:-.005em;border:0;cursor:pointer;transition:background .18s}
.emoji{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.btn:hover{background:#e6e6e6}
.nav__cta .btn{padding:11px 20px;font-size:13px;white-space:nowrap}

.nav__toggle{display:none;width:44px;height:44px;background:none;border:1px solid var(--line-2);
  padding:0;cursor:pointer}
.nav__toggle span{display:block;width:18px;height:1.5px;background:#fff;margin:4px auto}

/* ---------------- hero ---------------- */
.hero{position:relative;display:flex;align-items:center;min-height:min(86vh,760px);overflow:hidden}
.hero__fig{position:absolute;right:0;top:0;bottom:0;width:60%;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 34%,#000 100%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 34%,#000 100%)}
/* Zoomed ~20% into the centre line (scale, anchored on the 60% object-position so the
   machinery on the right stays framed) and graded warm to match the previous hero. */
.hero__fig img{width:100%;height:100%;object-fit:cover;object-position:60% 50%;
  transform:scale(1.2);transform-origin:60% 50%;
  filter:brightness(.92) contrast(1.06) saturate(1.02) sepia(.16)}
.hero__fig::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#000 0%,rgba(0,0,0,.55) 22%,rgba(0,0,0,0) 55%)}

.hero__txt{position:relative;z-index:5;padding:84px 0 80px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--dim);margin:0 0 28px}
.eyebrow i{display:block;width:34px;height:2px;background:var(--grad);flex:none}

.hero h1{font-weight:600;font-size:clamp(2.35rem,4.35vw,4rem);line-height:1.0;letter-spacing:-.033em;
  max-width:20ch;margin:0 0 28px}
.hero h1 mark{background:none;color:#fff;background-image:var(--grad);background-repeat:no-repeat;
  background-position:0 90%;background-size:100% 3px;padding-bottom:8px}

.lede{font-size:1.06rem;color:var(--dim);max-width:42ch;margin:0 0 38px}

.acts{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.btn--solid{padding:16px 30px;font-size:14.5px}
.ghost{font-size:14.5px;color:var(--dim);border-bottom:1px solid #4a4a4a;padding-bottom:3px}
.ghost:hover{color:#fff;border-color:#fff}

/* ---------------- process rail ---------------- */
.rail{border-block:1px solid var(--line);overflow:hidden}
.rail__in{display:flex;align-items:center;gap:26px;padding:16px 0;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:#fff;font-weight:700;white-space:nowrap}
.rail__in i{width:4px;height:4px;border-radius:50%;background:#fdd906;flex:none}

/* ---------------- sections ---------------- */
.sec{padding:90px 0 0}
.sec__hd{display:grid;grid-template-columns:210px 1fr;gap:40px;align-items:start;
  border-top:1px solid var(--line);padding-top:22px;margin-bottom:48px}
.sec__tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.sec h2{font-weight:500;font-size:clamp(1.85rem,3.1vw,2.65rem);line-height:1.06;letter-spacing:-.03em;
  max-width:22ch}
.sec h2 .thin{color:var(--faint)}
.sec__lede{color:var(--dim);font-size:15.5px;max-width:64ch;margin:0 0 42px}

/* network — ledger + site map + sub-supplier index */
.network{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.ledger{border-top:1px solid var(--line)}
.ledger__cap{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);padding:16px 0 12px;border-bottom:1px solid var(--line)}
.ledger__row{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:13px 0;
  border-bottom:1px solid var(--line);align-items:baseline}
.ledger__row strong{font-weight:500;font-size:15px;letter-spacing:-.005em}
.ledger__id{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--accent)}
.ledger__where{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin-left:10px}
.ledger__provenance{margin:24px 0 0;font-size:14.5px;line-height:1.6;color:var(--dim);max-width:40ch}

.netmap{max-width:660px}
.netmap svg{width:100%;height:auto;display:block;overflow:visible}
.dg-frame{fill:none;stroke:#333;stroke-width:1;stroke-dasharray:3 5}
.dg-line{stroke:#3d3d3d;stroke-width:1;fill:none}
.dg-line--reach{stroke:#3d3d3d;stroke-width:1;stroke-dasharray:2 4}
.dg-dot{fill:#fff}
.dg-dot--home{fill:var(--accent)}
.dg-halo{fill:var(--accent);opacity:.14}
.dg-label{font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;fill:var(--dim)}
.dg-label--ink{fill:#fff}
.dg-box{fill:none;stroke:#333;stroke-width:1}
.dg-cap{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;fill:var(--faint)}

.subs{margin-top:64px}
.subs__cap{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);padding:0 0 12px;border-bottom:1px solid var(--line)}
.subs__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:64px}
.ledger__sub{display:grid;grid-template-columns:1fr auto;gap:24px;padding:11px 0;
  border-bottom:1px solid var(--line);font-size:14.5px;align-items:baseline}
.ledger__sub span:last-child{font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--faint);white-space:nowrap}
.ledger__note{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--faint);padding-top:14px}

/* rows */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:80px 1fr 1.15fr;gap:28px;align-items:baseline;
  padding:24px 0;border-bottom:1px solid var(--line);transition:background .18s}
.row .n{font-family:var(--mono);font-size:10.5px;color:var(--faint);letter-spacing:.14em}
.row h3{margin:0;font-size:1.24rem;font-weight:500;letter-spacing:-.015em}
.row h3 .dim{color:var(--faint);font-size:.82em;font-weight:400}
.row p{margin:0;color:#fff;font-size:15px;font-weight:700}
.row:hover{background:linear-gradient(90deg,rgba(240,6,123,.07),transparent 45%)}
.row:hover .n{color:#fff}

/* ---------------- where we've shipped ---------------- */
.industries{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.industry{display:flex;align-items:center;gap:14px;padding:20px 24px;
  border-bottom:1px solid var(--line);border-left:1px solid var(--line)}
.industry:nth-child(3n+1){padding-left:0;border-left:0}
.industry svg{flex:0 0 auto;color:var(--accent)}
.industry span{color:#fff;font-weight:500;font-size:15.5px;letter-spacing:-.005em}

/* ---------------- how we work ---------------- */
.scope-head{max-width:560px;margin:0 0 48px}
.scope-head .eyebrow{margin-bottom:20px}
.scope-head h2{font-size:clamp(2.05rem,3.45vw,3rem);font-weight:600;letter-spacing:-.033em;line-height:1.03;
  margin:0 0 16px}
.scope-head>p:last-child{font-size:15.5px;line-height:1.62;color:var(--dim);margin:0}
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line);padding-top:30px}
.step2{padding:0 28px 0 0}
.step2__no{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--accent)}
.step2 h3{font-size:.98rem;font-weight:500;letter-spacing:-.01em;margin:12px 0 8px}
.step2 p{font-size:14.5px;line-height:1.55;color:var(--dim);margin:0}
.process__more{margin:34px 0 0}

/* ---------------- cta ---------------- */
.cta{margin-top:96px;border-top:1px solid var(--line);padding:90px 0 96px}
.cta h2{font-weight:500;font-size:clamp(1.9rem,3.2vw,2.7rem);line-height:1.06;letter-spacing:-.03em;
  max-width:22ch;margin:0 0 22px}
.cta .sec__lede{margin-bottom:40px;max-width:52ch}
.mail{font-family:var(--sans);font-size:15.5px;letter-spacing:normal;color:#fff;
  border-bottom:2px solid transparent;border-image:var(--grad) 1;padding-bottom:6px}
.mail:hover{opacity:.75}

/* ---------------- symptom picker + diagnosis ---------------- */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cat{border:1px solid var(--line);padding:14px 16px 6px;transition:border-color .18s}
.cat:hover{border-color:var(--line-2)}
.cat__h{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);padding-bottom:8px}
.cat__item{display:block;width:100%;text-align:left;background:none;border:0;border-top:1px solid var(--line);
  padding:11px 0;font-family:var(--sans);font-size:14px;line-height:1.4;color:var(--dim);cursor:pointer;
  transition:color .16s,padding-left .16s}
.cat__item:hover{color:#fff;padding-left:4px}
.cat__item[aria-pressed="true"]{color:var(--accent);font-weight:500}
.cat__item[aria-pressed="true"]::before{content:"▸ "}
.cat__item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.diag{margin-top:38px}
.diag:empty{display:none}
.diag__item{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:28px 0;
  border-top:1px solid var(--line)}
.diag__item:last-child{border-bottom:1px solid var(--line)}
.diag__q{font-family:var(--sans);font-size:1.22rem;line-height:1.28;font-weight:500;
  letter-spacing:-.015em;margin:0;max-width:26ch}
.diag__body{display:grid;gap:10px}
.diag__row{display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:start}
.diag__k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);padding-top:5px}
.diag__v{font-size:15px;line-height:1.55;color:#fff;margin:0;max-width:66ch}
.diag__v.muted{color:var(--dim)}
.diag__more{display:inline-block;margin-top:6px;justify-self:start;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);
  border-bottom:1px solid transparent;transition:border-color .16s}
.diag__more:hover{border-bottom-color:currentColor}

.picker__cta{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:30px}
.picker__cta[hidden]{display:none}
.picker__hint{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim);margin:14px 0 0}

/* ---------------- footer ---------------- */
.site-footer{border-top:1px solid var(--line);padding:64px 0 30px;color:var(--dim);font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-grid .brand__logo{height:58px}
.footer-grid p{color:var(--dim);font-size:14px;max-width:38ch}
.footer-grid h3{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin:0 0 16px}
.footer-grid a{display:block;padding:5px 0;color:var(--dim)}
.footer-grid a:hover{color:#fff}
.footer-grid .brand{display:inline-block}
.footer-terms{display:grid;grid-template-columns:1fr;gap:22px;
  padding:24px 0 30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.footer-terms h3{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);font-weight:400;margin:0 0 10px}
.footer-terms h3 sup{color:var(--accent);font-size:.8em}
.footer-terms p{max-width:52ch;color:var(--dim);font-size:13px;line-height:1.6;margin:0}
address{font-style:normal;line-height:1.9;color:var(--dim);font-size:14px}
address b{color:#fff;font-weight:500}
address .link{display:inline-block;margin-top:8px;color:#fff;border-bottom:1px solid var(--line-2)}
address .link:hover{border-color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:22px;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--faint);line-height:1.9}
.footer-bottom a:hover{color:#fff}
.wordmark{color:var(--dim)}

/* ---------------- responsive ---------------- */
/* the map is SVG text — it scales with the box, so give its labels more size on small screens */
@media (max-width:700px){
  .dg-label{font-size:14px;letter-spacing:.05em}
  .dg-cap{font-size:11.5px;letter-spacing:.1em}
}

@media (max-width:1100px){
  .hero__fig{width:72%}
  .footer-grid{grid-template-columns:1fr 1fr}
  /* the map's labels are SVG text — they scale with the box, so give it full width */
  .network{grid-template-columns:1fr;gap:44px}
  .subs__grid{grid-template-columns:1fr}
  .subs{margin-top:56px}
  .picks{grid-template-columns:repeat(2,1fr)}
  .diag__item{grid-template-columns:1fr;gap:14px;scroll-margin-top:16px}
  .diag__q{max-width:none}
  .industries{grid-template-columns:repeat(2,1fr)}
  .industry:nth-child(3n+1){padding-left:24px;border-left:1px solid var(--line)}
  .industry:nth-child(2n+1){padding-left:0;border-left:0}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}
}
@media (max-width:860px){
  .nav__toggle{display:block}
  .nav__links{position:absolute;left:0;right:0;top:88px;flex-direction:column;align-items:flex-start;
    gap:0;background:#000;border-bottom:1px solid var(--line);padding:8px 4vw 20px;display:none}
  .nav__links.is-open{display:flex}
  .nav__links li{width:100%}
  .nav__links a{padding:12px 0;width:100%;border-bottom:1px solid #141414}
  .nav__links .is-active::after{display:none}
  .nav__cta{padding-top:14px}
  .hero{display:block;min-height:0;isolation:isolate}
  .hero__fig{position:absolute;inset:0;z-index:0;width:100%;height:100%;max-height:none;min-height:0;overflow:hidden;
    -webkit-mask-image:none;mask-image:none}
  .hero__fig img{object-position:50% 0%;transform:scale(1.3);transform-origin:50% 0%;
    filter:brightness(.5) contrast(1.08) saturate(.9)}
  .hero__fig::after{background:linear-gradient(180deg,#000 0%,rgba(0,0,0,.96) 18%,rgba(0,0,0,.83) 42%,
      rgba(0,0,0,.56) 72%,rgba(0,0,0,.36) 100%),linear-gradient(90deg,rgba(0,0,0,.38),transparent 75%)}
  .hero__txt{width:min(92vw,var(--max));padding:44px 0 56px}
  .hero h1{max-width:none}
  .sec__hd{grid-template-columns:1fr;gap:14px}
  .row{grid-template-columns:56px 1fr;gap:8px 18px}
  .row p{grid-column:2}
  .industries{grid-template-columns:1fr}
  .industry:nth-child(n){padding-left:0;padding-right:0;border-left:0}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

/* picker: single column, stacked label/value rows */
@media (max-width:620px){
  .footer-terms{grid-template-columns:1fr;gap:22px}
  .picks{grid-template-columns:1fr}
  .diag__row{grid-template-columns:1fr;gap:4px}
  .diag__k{padding-top:0}
}

@media (max-width:560px){
  .process{grid-template-columns:1fr;row-gap:0}
  .step2{padding:18px 0;border-top:1px solid var(--line)}
}