/* ============================================================
   4WEST INC — visual system
   Type     : Plus Jakarta Sans — one family across display, UI and body.
              Hierarchy comes from weight and size, not from a serif/sans
              contrast, so display sits at 800 and body at 300/400.
              Headlines keep the roman + italic mix from the profile cover.
   Data     : IBM Plex Mono — coordinates, levels, timestamps
   Ground   : midnight ramp navy; light surface is cool chart stock
   ============================================================ */

:root{
  /* --- palette (6) ------------------------------------------------ */
  --ink:      #0A1A2B;   /* midnight ramp — dominant ground        */
  --deck:     #10293F;   /* flight deck — raised dark surface      */
  --chart:    #E7EAEE;   /* chart stock — cool paper, light bands  */
  --signal:   #E8892B;   /* runway edge light — the only warm hue  */
  --brand:    #266BA7;   /* 4West blue, from the mark              */
  --haze:     #93A6B9;   /* muted blue-grey, secondary on dark     */

  /* derived */
  --ink-06:  rgba(10,26,43,.06);
  --ink-12:  rgba(10,26,43,.12);
  --ink-60:  rgba(10,26,43,.60);
  --ink-72:  rgba(10,26,43,.72);
  --wht-08:  rgba(231,234,238,.08);
  --wht-14:  rgba(231,234,238,.14);
  --wht-30:  rgba(231,234,238,.30);
  --wht-62:  rgba(231,234,238,.62);
  --beacon:  #6FB0E4;   /* brand blue lifted for dark surfaces */

  /* --- type ------------------------------------------------------- */
  --sans:    "Plus Jakarta Sans", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --display: var(--sans);
  --util:    var(--sans);
  --body:    var(--sans);
  --mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --fs-hero:  clamp(2.9rem, 7.4vw, 6.9rem);
  --fs-xl:    clamp(2.25rem, 4.8vw, 4.15rem);
  --fs-l:     clamp(1.85rem, 3.2vw, 2.8rem);
  --fs-m:     clamp(1.5rem, 2.4vw, 2.1rem);
  --fs-title: clamp(1.2rem, 1.5vw, 1.45rem);
  --fs-lead:  clamp(1.05rem, 1.15vw, 1.24rem);
  --fs-body:  1.0rem;
  --fs-sm:    .875rem;
  --fs-micro: .688rem;

  /* --- space ------------------------------------------------------ */
  --gut:  clamp(1.25rem, 4vw, 3.25rem);
  --rail: 74px;
  --band: clamp(4.75rem, 9vw, 8.5rem);
  --max:  1360px;

  /* --- motion ----------------------------------------------------- */
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-io: cubic-bezier(.65,0,.35,1);
}

/* ============================================================ reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--chart);
  font-family:var(--body);font-size:var(--fs-body);font-weight:400;
  line-height:1.62;letter-spacing:-.003em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
/* a height-only logo must keep its ratio, never stretch to its container */
.brand img,.foot__brand img{width:auto;flex:0 0 auto}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--signal);color:var(--ink)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px}

/* ======================================================= primitives */
.wrap{width:100%;max-width:calc(var(--max) + var(--rail));margin-inline:auto;
  padding-left:calc(var(--gut) + var(--rail));padding-right:var(--gut)}

.micro{
  font-family:var(--util);font-weight:600;font-size:var(--fs-micro);
  letter-spacing:.165em;text-transform:uppercase;line-height:1.2;
}
.mono{font-family:var(--mono);font-weight:400;font-size:var(--fs-micro);letter-spacing:.07em}

.d-hero,.d-xl,.d-l,.d-m{
  font-family:var(--display);font-weight:700;
  letter-spacing:-.022em;line-height:1.1;text-wrap:balance;
  font-kerning:normal;font-feature-settings:"kern" 1;
}
.d-hero{font-size:var(--fs-hero);line-height:1.02;letter-spacing:-.03em}
.d-xl{font-size:var(--fs-xl);line-height:1.06;letter-spacing:-.027em}
.d-l{font-size:var(--fs-l);line-height:1.12;letter-spacing:-.023em}
.d-m{font-size:var(--fs-m);line-height:1.24;letter-spacing:-.016em;font-weight:600}
.d-t{
  font-family:var(--display);font-weight:600;font-size:var(--fs-title);
  line-height:1.38;letter-spacing:-.011em;
  font-kerning:normal;font-feature-settings:"kern" 1;
}
em.it{font-style:italic;font-weight:700}
/* Plus Jakarta Sans has no kern pair for terminal , and . — pull them in optically */
.pn{margin-left:-.06em}
.sig{color:var(--signal)}

.lead{font-size:var(--fs-lead);line-height:1.6;font-weight:300;letter-spacing:-.008em}
.prose p{margin-bottom:1.05em;color:var(--wht-62)}
.prose p:last-child{margin-bottom:0}
.on-chart .prose p{color:var(--ink-72)}

/* ==================================================== altitude rail */
/* Fixed instrument in the left gutter. Tick per section, travelling
   index mark, mono readout of the section you are in.               */
.rail{
  position:fixed;inset:0 auto 0 0;width:var(--rail);z-index:60;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  pointer-events:none;mix-blend-mode:normal;
}
.rail__line{
  position:absolute;top:12vh;bottom:12vh;left:calc(var(--rail)/2);
  width:1px;background:var(--wht-14);transition:background .5s var(--ease);
}
.rail.is-light .rail__line{background:rgba(10,26,43,.18)}
.rail__ticks{position:absolute;top:12vh;bottom:12vh;left:0;width:100%}
.rail__tick{
  position:absolute;left:calc(var(--rail)/2 - 6px);width:12px;height:1px;
  background:var(--wht-30);transition:width .4s var(--ease),background .4s var(--ease),transform .4s var(--ease);
  transform-origin:left center;pointer-events:auto;cursor:pointer;
}
.rail__tick::after{content:"";position:absolute;inset:-9px -6px}
.rail__tick[aria-current="true"]{width:22px;background:var(--signal)}
.rail__tick:hover{width:20px;background:var(--beacon)}
.rail.is-light .rail__tick{background:rgba(10,26,43,.28)}
.rail.is-light .rail__tick[aria-current="true"]{background:var(--signal)}

.rail__index{
  position:absolute;left:calc(var(--rail)/2 - 3px);width:6px;height:6px;
  border-radius:50%;background:var(--signal);
  box-shadow:0 0 0 4px rgba(232,137,43,.16);
  transition:top .45s var(--ease);
}
.rail__read{
  transition:opacity .35s var(--ease),color .5s var(--ease);
  position:absolute;left:calc(var(--rail)/2 + 16px);top:50%;
  transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;
  font-family:var(--mono);font-size:.625rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--wht-62);white-space:nowrap;
  transition:opacity .35s var(--ease);
}
.rail.is-light .rail__read{color:var(--ink-60)}
.rail__cap{
  position:absolute;left:calc(var(--rail)/2 - 14px);
  font-family:var(--mono);font-size:.5625rem;letter-spacing:.16em;color:var(--wht-30);
}
.rail__cap--t{top:calc(12vh - 22px)}
.rail__cap--b{bottom:calc(12vh - 22px)}
.rail.is-light .rail__cap{color:rgba(10,26,43,.3)}

/* mobile: rail collapses to a hairline progress bar under the nav */
.progress{
  position:fixed;top:0;left:0;height:2px;width:100%;z-index:70;
  transform:scaleX(0);transform-origin:0 50%;background:var(--signal);display:none;
}

/* =========================================================== header */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background .45s var(--ease),border-color .45s var(--ease),backdrop-filter .45s var(--ease);
  border-bottom:1px solid transparent;
}
.nav__in{
  display:flex;align-items:center;gap:clamp(1rem,3vw,2.5rem);
  height:74px;width:100%;max-width:calc(var(--max) + var(--rail));margin-inline:auto;
  padding-left:calc(var(--gut) + var(--rail));padding-right:var(--gut);
}
.nav.is-stuck{
  background:rgba(10,26,43,.86);backdrop-filter:blur(14px) saturate(1.3);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);border-bottom-color:var(--wht-08);
}
.nav.on-light.is-stuck{
  background:rgba(231,234,238,.9);border-bottom-color:var(--ink-12);
}
.brand{display:flex;align-items:center;flex:0 0 auto;position:relative;z-index:2}
.brand img{height:26px;width:auto}
.brand .lg-d{display:none}
.nav.on-light .brand .lg-l{display:none}
.nav.on-light .brand .lg-d{display:block}

.menu{display:flex;align-items:center;gap:clamp(.75rem,1.8vw,1.9rem);margin-left:auto}
.menu a{
  font-family:var(--util);font-weight:600;font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--wht-62);position:relative;padding:.55rem 0;
  transition:color .3s var(--ease);
}
.nav.on-light .menu a{color:var(--ink-60)}
.menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:.15rem;height:1px;
  background:var(--signal);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .4s var(--ease);
}
.menu a:hover,.menu a[aria-current="page"]{color:var(--chart)}
.nav.on-light .menu a:hover,.nav.on-light .menu a[aria-current="page"]{color:var(--ink)}
.menu a:hover::after,.menu a[aria-current="page"]::after{transform:scaleX(1)}

.has-sub{position:relative}
.sub{
  position:absolute;top:calc(100% + .5rem);left:-1.1rem;min-width:250px;
  background:var(--deck);border:1px solid var(--wht-08);padding:.5rem;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.6);
}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub a{
  display:block;padding:.7rem 1.1rem;letter-spacing:.1em;color:var(--wht-62);
  border-left:1px solid transparent;transition:border-color .3s var(--ease),color .3s var(--ease),background .3s var(--ease);
}
.sub a::after{display:none}
.sub a:hover{color:var(--chart);border-left-color:var(--signal);background:rgba(255,255,255,.03)}

.menu__contact{display:none}
.nav__cta{
  font-family:var(--util);font-weight:600;font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink);background:var(--signal);
  padding:.72rem 1.15rem;white-space:nowrap;flex:0 0 auto;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px -10px rgba(232,137,43,.7)}

.burger{display:none;flex-direction:column;gap:5px;margin-left:auto;padding:.6rem;z-index:2}
.burger span{display:block;width:22px;height:1.5px;background:currentColor;transition:transform .4s var(--ease),opacity .3s}
.nav.on-light .burger{color:var(--ink)}
.nav .burger{color:var(--chart)}

/* ============================================================= hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.hero--short{min-height:clamp(560px,74svh,760px)}
.hero__bg{position:absolute;inset:0;overflow:hidden}
.hero__bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);will-change:transform}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to top,rgba(10,26,43,.92) 0%,rgba(10,26,43,.55) 30%,rgba(10,26,43,.10) 62%,rgba(10,26,43,.26) 100%),
    linear-gradient(to right,rgba(10,26,43,.70) 0%,rgba(10,26,43,.08) 48%,transparent 72%);
}
.hero__in{
  position:relative;z-index:2;width:100%;max-width:calc(var(--max) + var(--rail));
  margin-inline:auto;padding:0 var(--gut) clamp(2rem,5vw,3.5rem) calc(var(--gut) + var(--rail));
}
.hero__kick{display:flex;align-items:center;gap:.9rem;color:var(--signal);margin-bottom:clamp(1.1rem,2.4vw,1.9rem)}
.hero__kick i{display:block;width:clamp(28px,4vw,54px);height:1px;background:var(--signal);transform-origin:0 50%}
.hero__title{max-width:16ch;margin-bottom:clamp(1.2rem,2.6vw,1.9rem)}
.hero__lead{max-width:52ch;color:var(--wht-62)}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:clamp(1.6rem,3vw,2.4rem)}

/* hero photograph runs edge to edge; the rail floats over it */
.hero__bg{left:0}

/* ======================================================= data strip */
.strip{
  border-top:1px solid var(--wht-14);display:grid;
  grid-template-columns:repeat(4,1fr);
}
.strip__i{padding:clamp(1.1rem,2vw,1.6rem) clamp(.9rem,1.6vw,1.4rem) clamp(1.1rem,2vw,1.5rem) 0;border-right:1px solid var(--wht-08)}
.strip__i:last-child{border-right:0}
.strip__n{font-family:var(--display);font-weight:700;font-kerning:normal;font-size:clamp(1.35rem,2.15vw,1.85rem);letter-spacing:-.02em;line-height:1.15;margin-bottom:.55rem}
.strip__l{color:var(--wht-62);font-size:.78rem;line-height:1.4;max-width:22ch}
.on-chart .strip{border-top-color:var(--ink-12)}
.on-chart .strip__i{border-right-color:var(--ink-06)}
.on-chart .strip__l{color:var(--ink-60)}

/* ============================================================ bands */
.band{padding-block:var(--band);position:relative}
.band--chart{background:var(--chart);color:var(--ink)}
.band--deck{background:var(--deck)}
.band--tight{padding-block:clamp(3.25rem,6vw,5.25rem)}
.band--flush-t{padding-top:0}
.band--flush-b{padding-bottom:0}

/* running head — the page furniture carried over from the profile */
.head{
  display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;
  border-top:1px solid var(--wht-14);padding-top:.9rem;margin-bottom:clamp(1.9rem,3.4vw,2.9rem);
}
.on-chart .head{border-top-color:var(--ink-12)}
.head__l{color:var(--signal)}
.head__r{color:var(--wht-30)}
.on-chart .head__r{color:var(--ink-12)}
.on-chart .head__r{color:rgba(10,26,43,.35)}

.head-block{max-width:44ch;margin-bottom:clamp(1.9rem,3.4vw,2.9rem)}
.head-block .lead{margin-top:1.15rem;color:var(--wht-62);max-width:52ch}
.on-chart .head-block .lead{color:var(--ink-72)}

/* ======================================================== divisions */
.div-row{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center;
  padding-block:clamp(2rem,3.6vw,3.25rem);border-top:1px solid var(--wht-08);
}
.div-row:first-of-type{border-top:0}
.on-chart .div-row{border-top-color:var(--ink-06)}
.div-row:nth-child(even) .div-row__fig{order:2}
.div-row__fig{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--deck)}
.div-row__fig img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.div-row:hover .div-row__fig img{transform:scale(1.045)}
.div-row__n{
  position:absolute;top:0;left:0;z-index:2;
  font-family:var(--mono);font-size:.6875rem;letter-spacing:.2em;color:var(--chart);
  background:var(--ink);padding:.55rem .85rem;
}
.div-row__body{max-width:46ch}
.div-row__body .d-l{margin:.9rem 0 1.05rem}
.div-row__body p{color:var(--wht-62);margin-bottom:1.4rem}
.on-chart .div-row__body p{color:var(--ink-72)}

.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.6rem}
.chip{
  font-family:var(--mono);font-size:.625rem;letter-spacing:.13em;text-transform:uppercase;
  border:1px solid var(--wht-14);padding:.42rem .7rem;color:var(--wht-62);
}
.on-chart .chip{border-color:var(--ink-12);color:var(--ink-60)}

/* ============================================================ links */
.lnk{
  display:inline-flex;align-items:center;gap:.6rem;position:relative;
  font-family:var(--util);font-weight:600;font-size:.7rem;letter-spacing:.15em;
  text-transform:uppercase;padding-bottom:.5rem;color:inherit;
}
.lnk::before{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--wht-14)}
.on-chart .lnk::before{background:var(--ink-12)}
.lnk::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--signal);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease);
}
.lnk:hover::after{transform:scaleX(1)}
.lnk svg{transition:transform .45s var(--ease);flex:0 0 auto}
.lnk:hover svg{transform:translateX(5px)}

.btn{
  display:inline-flex;align-items:center;gap:.65rem;
  font-family:var(--util);font-weight:600;font-size:.7rem;letter-spacing:.15em;
  text-transform:uppercase;padding:1rem 1.5rem;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
}
.btn--sig{background:var(--signal);color:var(--ink)}
.btn--sig:hover{transform:translateY(-2px);box-shadow:0 14px 34px -14px rgba(232,137,43,.75)}
.btn--ghost{border:1px solid var(--wht-30);color:var(--chart)}
.btn--ghost:hover{border-color:var(--chart);background:rgba(255,255,255,.06);transform:translateY(-2px)}
.on-chart .btn--ghost{border-color:var(--ink-12);color:var(--ink)}
.on-chart .btn--ghost:hover{border-color:var(--ink);background:rgba(10,26,43,.04)}
.btn svg{transition:transform .45s var(--ease)}
.btn:hover svg{transform:translateX(4px)}

/* ========================================================== reasons */
.reasons{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.reason{padding:clamp(1.8rem,3vw,2.6rem) clamp(1.5rem,3vw,2.6rem) clamp(1.8rem,3vw,2.6rem) 0;border-top:1px solid var(--ink-06)}
.reason:nth-child(odd){padding-right:clamp(2rem,4vw,3.5rem)}
.reason__n{font-family:var(--display);font-style:italic;font-weight:700;font-size:.95rem;letter-spacing:.02em;color:var(--signal);margin-bottom:.8rem;display:block}
.reason .d-t{margin-bottom:.75rem}
.reason p{color:var(--ink-72);font-size:.95rem}
.reason--wide{grid-column:1 / -1;padding-right:0}
.reason--wide p{max-width:82ch}

/* ========================================================= platform */
.plat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--wht-08)}
.plat{
  position:relative;background:var(--ink);padding:clamp(1.8rem,3.4vw,3rem);
  display:flex;flex-direction:column;min-height:clamp(300px,34vw,400px);
  overflow:hidden;transition:background .5s var(--ease);
}
.plat:hover{background:var(--deck)}
.plat .plat__img{position:absolute;inset:0;z-index:0;opacity:.22;transition:opacity .7s var(--ease),transform 1.2s var(--ease)}
.plat .plat__img img{width:100%;height:100%;object-fit:cover}
.plat:hover .plat__img{opacity:.32;transform:scale(1.05)}
.plat::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,var(--ink) 6%,rgba(10,26,43,.55) 58%,rgba(10,26,43,.22) 100%)}
.plat > *{position:relative;z-index:2}
.plat__n{color:var(--signal);margin-bottom:1.5rem}
.plat .d-m{margin-bottom:.85rem}
.plat .lnk{margin-top:auto;align-self:flex-start}
.plat p{color:var(--wht-62);font-size:.95rem;max-width:40ch;margin-bottom:1.6rem}

/* ============================================================ steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--wht-08);border:1px solid var(--wht-08)}
.step{background:var(--ink);padding:clamp(1.6rem,2.8vw,2.35rem);position:relative;transition:background .5s var(--ease)}
.step:hover{background:var(--deck)}
.step__n{
  display:flex;align-items:center;gap:.75rem;color:var(--signal);margin-bottom:1.5rem;
}
.step__n i{flex:1;height:1px;background:var(--wht-08);display:block}
.step__k{color:var(--wht-30);margin-bottom:.55rem}
.step .d-t{margin-bottom:.7rem}
.step p{color:var(--wht-62);font-size:.925rem}

/* =========================================================== values */
.vals{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--ink-06)}
.val{background:var(--chart);padding:clamp(1.7rem,3vw,2.5rem) clamp(1.7rem,3vw,2.5rem) clamp(1.7rem,3vw,2.5rem) 0}
.val:nth-child(even){padding-left:clamp(1.7rem,3vw,2.5rem)}
.val__k{color:var(--signal);margin-bottom:.85rem}
.val p{color:var(--ink-72);font-size:.95rem;margin-top:.7rem}

.keywords{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:clamp(2rem,4vw,3rem)}
.keywords span{
  font-family:var(--util);font-weight:600;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--ink-12);padding:.6rem .9rem;color:var(--ink-60);
  transition:border-color .35s var(--ease),color .35s var(--ease),transform .35s var(--ease);
}
.keywords span:hover{border-color:var(--signal);color:var(--ink);transform:translateY(-2px)}

/* ========================================================== leaders */
.leaders{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--wht-08)}
.leader{background:var(--ink);padding:clamp(1.7rem,3vw,2.5rem);display:flex;gap:1.35rem;align-items:flex-start}
.leader__mono{
  flex:0 0 auto;width:56px;height:56px;border:1px solid var(--wht-14);
  display:grid;place-items:center;font-family:var(--display);
  font-size:1.05rem;font-weight:700;color:var(--signal);letter-spacing:-.01em;
}
.leader__k{color:var(--wht-30);margin-bottom:.6rem;display:block}
.leader p{color:var(--wht-62);font-size:.925rem;margin-top:.55rem}

/* ============================================================ quote */
.quote{max-width:26ch}
.quote__mark{font-family:var(--display);font-weight:700;font-size:3.4rem;line-height:.7;color:var(--signal);display:block;margin-bottom:.9rem}
.sign{margin-top:clamp(1.6rem,3vw,2.4rem);padding-top:1.1rem;border-top:1px solid var(--wht-14)}
.on-chart .sign{border-top-color:var(--ink-12)}
.sign__n{font-family:var(--display);font-weight:600;font-size:1.05rem;letter-spacing:-.012em}
.sign__r{color:var(--signal);margin-top:.35rem;display:block}

/* ========================================================= 2-col ed */
.ed{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem)}
.ed--sticky > :first-child{position:sticky;top:120px;align-self:start}
.ed--40 {grid-template-columns:.72fr 1fr}
.ed--60 {grid-template-columns:1fr .72fr}

/* ========================================================== figures */
.fig{position:relative;overflow:hidden;background:var(--deck)}
.fig img{width:100%;height:100%;object-fit:cover;display:block}
.fig--43{aspect-ratio:4/3}
.fig--34{aspect-ratio:3/4}
.fig--169{aspect-ratio:16/9}
.fig--32{aspect-ratio:3/2}
/* long service copy scrolls past a held image, not an empty column */
.fig--sticky{position:sticky;top:106px}
.fig__cap{
  position:absolute;left:0;bottom:0;z-index:2;background:var(--ink);
  color:var(--chart);padding:.55rem .85rem;
  font-family:var(--mono);font-size:.625rem;letter-spacing:.16em;text-transform:uppercase;
}

/* ======================================================== offices */
.offices{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--wht-08)}
.office{background:var(--ink);overflow:hidden}
.office__fig{aspect-ratio:3/2;overflow:hidden;position:relative}
.office__fig img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);filter:saturate(.85)}
.office:hover .office__fig img{transform:scale(1.05);filter:saturate(1)}
.office__b{padding:clamp(1.5rem,2.6vw,2.1rem)}
.office__k{color:var(--signal);margin-bottom:.7rem;display:block}
.office .d-t{margin-bottom:.9rem}
.office address{font-style:normal;color:var(--wht-62);font-size:.9rem;line-height:1.65}
.office .mono{display:block;margin-top:.85rem;color:var(--chart)}
.office .mono a:hover{color:var(--signal)}

/* ====================================================== route chart */
.route{position:relative;width:100%;aspect-ratio:16/7;max-height:520px}
.route svg{width:100%;height:100%;overflow:visible}
.route .arc{fill:none;stroke:var(--signal);stroke-width:1.15;opacity:.85;
  stroke-dasharray:var(--len);stroke-dashoffset:var(--len);}
.route.is-in .arc{animation:draw 2.2s var(--ease) forwards}
.route .arc:nth-of-type(2){animation-delay:.35s}
.route .arc:nth-of-type(3){animation-delay:.7s}
.route .grid-l{stroke:var(--wht-08);stroke-width:1}
.route .node{fill:var(--chart)}
.route .ring{fill:none;stroke:var(--signal);stroke-width:1;opacity:0}
.route.is-in .ring{animation:pulse 3.4s var(--ease) infinite}
.route .lbl{fill:var(--chart);font-family:"Plus Jakarta Sans",sans-serif;font-weight:600;font-size:11px;letter-spacing:2.2px;text-transform:uppercase}
.route .crd{fill:var(--haze);font-family:"IBM Plex Mono",monospace;font-size:8.5px;letter-spacing:.8px}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pulse{0%{opacity:.6;r:6}70%{opacity:0;r:24}100%{opacity:0;r:24}}

/* ========================================================= partners */
.partners{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ink-06)}
.partner{
  background:var(--chart);display:grid;place-items:center;min-height:clamp(110px,13vw,150px);
  font-family:var(--display);font-weight:700;font-size:clamp(1rem,1.65vw,1.3rem);
  letter-spacing:-.014em;color:var(--ink-60);
  transition:color .4s var(--ease),background .4s var(--ease);text-align:center;padding:1rem;
}
.partner span{display:block;font-family:var(--util);font-weight:600;font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(10,26,43,.32);margin-top:.4rem}
.partner:hover{color:var(--ink);background:#DFE3E8}

/* =========================================================== ledger */
/* key/value rows — contact + spec tables */
.ledger{border-top:1px solid var(--wht-14)}
.ledger__r{
  display:grid;grid-template-columns:.42fr 1fr;gap:1.5rem;
  padding:1.15rem 0;border-bottom:1px solid var(--wht-08);align-items:baseline;
}
.ledger__k{color:var(--wht-30)}
.ledger__v{font-size:1.02rem}
.ledger__v a{transition:color .3s var(--ease)}
.ledger__v a:hover{color:var(--signal)}
.on-chart .ledger{border-top-color:var(--ink-12)}
.on-chart .ledger__r{border-bottom-color:var(--ink-06)}
.on-chart .ledger__k{color:var(--ink-60)}

/* ============================================================== cta */
.cta{position:relative;overflow:hidden;background:var(--deck)}
.cta__bg{position:absolute;inset:0;opacity:.26}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,var(--ink) 12%,rgba(10,26,43,.72) 55%,rgba(10,26,43,.35) 100%)}
.cta__in{position:relative;z-index:2}

/* =========================================================== footer */
.foot{background:var(--ink);border-top:1px solid var(--wht-08);padding-block:clamp(3rem,6vw,5rem) 2rem}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(1.75rem,3vw,3rem);margin-bottom:clamp(2.5rem,5vw,4rem)}
.foot__brand img{height:30px;width:auto;margin-bottom:1.35rem}
.foot__brand p{color:var(--wht-62);font-size:.9rem;max-width:34ch}
.foot h4{font-family:var(--util);font-weight:600;font-size:.66rem;letter-spacing:.19em;text-transform:uppercase;color:var(--signal);margin-bottom:1.15rem}
.foot li{margin-bottom:.6rem}
.foot li a{color:var(--wht-62);font-size:.9rem;transition:color .3s var(--ease)}
.foot li a:hover{color:var(--chart)}
.foot__bot{
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  border-top:1px solid var(--wht-08);padding-top:1.6rem;color:var(--wht-30);
}

/* =========================================================== motion */
.rv [data-rv]{opacity:0;transform:translateY(20px);transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:var(--d,0ms)}
.rv [data-rv].is-in{opacity:1;transform:none}
.rv [data-rv="fade"]{transform:none}
.rv [data-rv="wipe"]{opacity:1;transform:none;clip-path:inset(0 0 100% 0)}
.rv [data-rv="wipe"].is-in{clip-path:inset(0 0 0 0);transition:clip-path 1.15s var(--ease)}
.rv [data-rv="img"]{opacity:1;transform:none;clip-path:inset(0 0 100% 0)}
.rv [data-rv="img"].is-in{clip-path:inset(0 0 0 0);transition:clip-path 1.2s var(--ease)}
.rv [data-rv="img"] img{transform:scale(1.09);transition:transform 1.6s var(--ease)}
.rv [data-rv="img"].is-in img{transform:scale(1)}
.rv [data-rv="rule"]{opacity:1;transform:none;transform-origin:0 50%;transform:scaleX(0)}
.rv [data-rv="rule"].is-in{transform:scaleX(1);transition:transform 1s var(--ease)}

/* hero load sequence */
.ln{display:block;overflow:hidden}
.rv .ln > span{display:block;transform:translateY(105%);transition:transform 1.05s var(--ease);transition-delay:var(--d,0ms)}
.rv .is-loaded .ln > span{transform:translateY(0)}
.rv .hero .fade-up{opacity:0;transform:translateY(16px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0ms)}
.rv .is-loaded .hero .fade-up{opacity:1;transform:none}
.rv .hero__kick i{transform:scaleX(0);transition:transform .9s var(--ease) .15s}
.rv .is-loaded .hero__kick i{transform:scaleX(1)}

/* ======================================================= responsive */
@media (max-width:1180px){
  :root{--rail:0px}
  .rail{display:none}
  .progress{display:block}
}
@media (max-width:1020px){
  .menu{
    position:fixed;top:0;left:0;right:0;bottom:0;
    width:100vw;height:100vh;height:100dvh;
    background:var(--ink);flex-direction:column;
    justify-content:flex-start;align-items:stretch;gap:.25rem;
    padding:calc(74px + 1.25rem) var(--gut) 3rem;margin:0;
    transform:translateY(-100%);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:transform .4s cubic-bezier(.16,1,.3,1),opacity .3s var(--ease),visibility .4s;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    z-index:5;
  }
  .menu.is-open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }
  .menu > li{width:100%;border-bottom:1px solid var(--wht-08)}
  .menu a{font-size:1.05rem;letter-spacing:.06em;padding:1rem 0;display:block;color:var(--chart)}
  .menu a::after{display:none}
  .menu a:hover,.menu a[aria-current="page"]{color:var(--signal)}
  .sub{
    position:static;opacity:1;visibility:visible;transform:none;
    background:rgba(255,255,255,.03);border:1px solid var(--wht-08);border-radius:4px;
    box-shadow:none;padding:.35rem 1rem .55rem;margin:.2rem 0 .85rem;min-width:0;
  }
  .sub a{font-size:.85rem;letter-spacing:.08em;padding:.5rem 0;color:var(--wht-62);border-left:0}
  .sub a:hover,.sub a[aria-current="page"]{color:var(--signal)}
  .burger{display:flex;position:relative;z-index:10;cursor:pointer}
  .brand{position:relative;z-index:10}
  .nav.on-light .burger{color:var(--chart)}
  .nav__cta{display:none}
  .menu__contact{display:block}
  .menu__contact a{color:var(--signal);font-weight:600}
  .nav.is-menu-open{
    background:var(--ink)!important;
    border-bottom-color:var(--wht-08)!important;
    backdrop-filter:none!important;
    -webkit-backdrop-filter:none!important;
  }
  .nav.is-menu-open .brand .lg-d{display:none!important}
  .nav.is-menu-open .brand .lg-l{display:block!important}
  .nav.is-menu-open .burger{color:var(--chart)!important}
  .nav.is-menu-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav.is-menu-open .burger span:nth-child(2){opacity:0;transform:scaleX(0)}
  .nav.is-menu-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .foot__top{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1/-1}
  .offices,.steps,.partners{grid-template-columns:1fr 1fr}
  .ed--sticky > :first-child{position:static}
  .fig--sticky{position:static}
}
@media (max-width:800px){
  .ed,.ed--40,.ed--60{grid-template-columns:1fr;gap:2rem}
  .div-row{grid-template-columns:1fr;gap:1.6rem}
  .div-row:nth-child(even) .div-row__fig{order:0}
  .reasons,.vals,.plat-grid,.leaders{grid-template-columns:1fr}
  .reason,.reason:nth-child(odd){padding-right:0}
  .val,.val:nth-child(even){padding-left:0;padding-right:0}
  .strip{grid-template-columns:1fr 1fr}
  .strip__i:nth-child(2){border-right:0}
  .strip__i:nth-child(-n+2){border-bottom:1px solid var(--wht-08)}
  .on-chart .strip__i:nth-child(-n+2){border-bottom-color:var(--ink-06)}
  .offices,.steps,.partners{grid-template-columns:1fr}
  .ledger__r{grid-template-columns:1fr;gap:.35rem}
  .foot__top{grid-template-columns:1fr}
  .route{aspect-ratio:4/3}
}
@media (max-width:520px){
  .hero__title{max-width:100%}
  .foot__bot{flex-direction:column;align-items:flex-start;gap:.6rem}
}

/* ================================================= reduced motion */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
  [data-rv]{opacity:1!important;transform:none!important;clip-path:none!important}
  [data-rv] img{transform:none!important}
  .ln > span{transform:none!important}
  .hero .fade-up{opacity:1!important;transform:none!important}
  .hero__bg img{transform:none!important}
  .route .arc{stroke-dashoffset:0!important}
  .route .ring{display:none}
}