/* ═══════════════════════════════════════════════════════════
   RDO Equipment Co. — concept landing page
   Tokens derive from rdoequipment.com: Barlow, #C4D600, 0px radius
   ═══════════════════════════════════════════════════════════ */

:root{
  --ink:#0E1210;
  --ink-2:#171D19;
  --ink-3:#232A25;
  --volt:#C4D600;
  --volt-dk:#AEC000;
  --paper:#FFFFFF;
  --paper-2:#F5F5F1;
  --muted:#6E6A64;
  --muted-2:#9A968F;
  --line:#E4E4DE;
  --line-dk:rgba(255,255,255,.14);

  --wrap:1280px;
  --gut:clamp(20px,5vw,64px);

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);

  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button,input{font:inherit;color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
/* keep anchor targets clear of the sticky nav */
section[id]{scroll-margin-top:calc(var(--nav-h) + 20px)}
.sr,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{position:fixed;top:8px;left:8px;width:auto;height:auto;clip:auto;z-index:999;background:var(--ink);color:#fff;padding:10px 16px}
:focus-visible{outline:3px solid var(--volt);outline-offset:3px}

/* ── Type ─────────────────────────────────────────────── */
.display{
  font-weight:900;
  letter-spacing:-.035em;
  line-height:.86;
  text-transform:uppercase;
  /* min sized so "You grow and build." holds one line at 390px */
  font-size:clamp(2.05rem,7.35vw,7.3rem);
}
.display--md{font-size:clamp(2.3rem,5.6vw,4.9rem);line-height:.9}
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
}
.eyebrow--volt{color:var(--volt)}
.lede{font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.45;color:var(--muted);max-width:46ch}
.body{font-size:1.05rem;line-height:1.6;color:var(--muted);max-width:52ch}
.arr{display:inline-block;transition:transform .4s var(--ease)}

/* ── Buttons ──────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:52px;padding:0 28px;border:1px solid transparent;border-radius:0;
  font-weight:700;font-size:1rem;letter-spacing:.01em;cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),
             border-color .25s var(--ease),transform .18s var(--ease);
}
.btn--sm{min-height:42px;padding:0 18px;font-size:.9rem}
.btn--volt{background:var(--volt);color:var(--ink)}
.btn--volt:hover{background:var(--volt-dk)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{background:var(--ink-3)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--ghost:hover .arr{transform:translateX(5px)}
.btn:active{transform:translateY(1px)}

/* ── Nav ──────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.nav.is-stuck{border-bottom-color:var(--line);background:rgba(255,255,255,.94)}
.nav__inner{
  max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut);
  height:var(--nav-h);display:flex;align-items:center;gap:28px;
}
.nav__logo img{height:34px;width:auto}
.nav__links{display:flex;gap:26px;margin-left:8px}
.nav__links a{
  font-size:.95rem;font-weight:600;padding:6px 0;position:relative;color:var(--ink);
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--volt);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav__signin{font-size:.95rem;font-weight:600}
.nav__signin:hover{color:var(--muted)}
.nav__burger{
  display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;
  flex-direction:column;justify-content:center;gap:6px;align-items:center;padding:0;
}
.nav__burger span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav__burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

.mobilemenu{
  display:none;flex-direction:column;border-top:1px solid var(--line);
  padding:8px var(--gut) 20px;background:#fff;
}
.mobilemenu a{padding:15px 0;font-size:1.15rem;font-weight:700;border-bottom:1px solid var(--line)}
.mobilemenu a:last-child{border-bottom:0;color:var(--ink)}

/* ── Ticker ───────────────────────────────────────────── */
.ticker{
  background:var(--ink);color:#fff;overflow:hidden;
  border-block:1px solid var(--ink);
}
.ticker__track{display:flex;width:max-content;animation:slide 38s linear infinite}
.ticker__set{
  display:flex;align-items:center;gap:26px;padding:11px 13px;
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;white-space:nowrap;
}
.ticker__set b{font-weight:500}
.ticker__set i{color:var(--volt);font-style:normal;font-size:.55rem}
@keyframes slide{to{transform:translateX(-50%)}}

/* ── Hero ─────────────────────────────────────────────── */
.hero{position:relative;background:var(--paper)}
.hero__head{padding-top:clamp(40px,6vw,80px);text-align:center;display:flex;flex-direction:column;align-items:center}
.hero__h1{margin-top:18px}
.line{display:block;overflow:hidden;padding-bottom:.03em}
.line__i{display:block;transform:translateY(105%);opacity:0}
.line__i--volt{
  -webkit-text-stroke:0;
  color:var(--ink);
  position:relative;
}
.is-ready .line__i{transform:translateY(0);opacity:1;transition:transform 1s var(--ease),opacity .8s var(--ease)}
.is-ready .line__i[data-d="1"]{transition-delay:.06s}
.is-ready .line__i[data-d="2"]{transition-delay:.14s}
.is-ready .line__i[data-d="3"]{transition-delay:.22s}

.hero .lede{margin-top:24px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:30px}

.hero__stage{position:relative;margin-top:clamp(8px,2vw,24px);padding-bottom:clamp(24px,5vw,56px)}
.hero__glow{display:none}
.hero__fig{
  position:relative;max-width:1180px;margin-inline:auto;padding-inline:var(--gut);
  opacity:0;transform:scale(.94) translateY(28px);
}
.is-ready .hero__fig{
  opacity:1;transform:scale(1) translateY(0);
  transition:opacity 1.1s var(--ease) .18s,transform 1.3s var(--ease) .18s;
}
/* multiply drops the render's off-white studio backdrop into the page white,
   so no grey rectangle shows around the machine */
.hero__fig img{width:100%;will-change:transform;mix-blend-mode:multiply}

/* annotation pins */
.pin{
  position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:10px;pointer-events:none;
  opacity:0;transition:opacity .6s var(--ease);
}
.is-ready .pin{opacity:1}
.is-ready .pin--1{transition-delay:1.15s}
.is-ready .pin--2{transition-delay:1.3s}
.is-ready .pin--3{transition-delay:1.45s}
.is-ready .pin--4{transition-delay:1.6s}
.pin i{
  width:11px;height:11px;border-radius:50%;background:var(--volt);
  box-shadow:0 0 0 1px rgba(14,18,16,.28);position:relative;flex:none;
}
.pin i::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  border:1.5px solid var(--volt);animation:ping 2.6s var(--ease-io) infinite;
}
.pin--2 i::after{animation-delay:.5s}
.pin--3 i::after{animation-delay:1s}
.pin--4 i::after{animation-delay:1.5s}
@keyframes ping{
  0%{transform:scale(.7);opacity:.9}
  70%{transform:scale(2.1);opacity:0}
  100%{transform:scale(2.1);opacity:0}
}
.pin em{
  font-family:"IBM Plex Mono",monospace;font-style:normal;font-size:.66rem;
  letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  background:var(--ink);color:#fff;padding:5px 9px;white-space:nowrap;
}

/* brands strip */
.brands{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.brands .wrap{display:flex;flex-direction:column;align-items:center;gap:16px;padding-block:26px}
.brands__label{
  font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted-2);
}
.brands__row{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:12px clamp(16px,2.4vw,34px);
}
.brands__row li{
  font-weight:800;font-size:clamp(.9rem,1.3vw,1.05rem);letter-spacing:.02em;
  text-transform:uppercase;color:#B4B0A9;transition:color .3s var(--ease);
}
.brands__row li:hover{color:var(--ink)}

/* ── Stats ────────────────────────────────────────────── */
.stats{background:var(--ink);color:#fff;padding-block:clamp(64px,8vw,110px)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px)}
.stat{border-top:2px solid var(--volt);padding-top:20px}
.stat__n{
  display:block;font-weight:900;letter-spacing:-.04em;line-height:.9;
  font-size:clamp(2.5rem,5.4vw,4.6rem);font-variant-numeric:tabular-nums;
}
.stat__l{display:block;margin-top:12px;color:var(--muted-2);font-size:.95rem;line-height:1.35;max-width:22ch}
.stats__note{
  margin-top:clamp(38px,5vw,60px);max-width:64ch;color:#B9B5AE;
  font-size:clamp(1rem,1.5vw,1.2rem);line-height:1.5;
}

/* ── Section heads ────────────────────────────────────── */
.sec__head{margin-bottom:clamp(38px,5vw,64px)}
.sec__head .display{margin-top:16px}
.sec__head--center{text-align:center;display:flex;flex-direction:column;align-items:center}

/* ── Categories ───────────────────────────────────────── */
.cats{padding-block:clamp(64px,9vw,124px)}
.cats__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cat{
  position:relative;background:var(--paper);padding:26px 24px 24px;
  display:flex;flex-direction:column;gap:18px;overflow:hidden;
  transition:background .4s var(--ease);
}
.cat::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--volt);transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);
}
.cat:hover::before{transform:scaleX(1)}
.cat:hover{background:var(--paper-2)}
.cat__num{
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.16em;color:var(--muted-2);
}
.cat__img{display:block;overflow:hidden;background:var(--paper-2);aspect-ratio:16/10}
.cat__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.cat:hover .cat__img img{transform:scale(1.06)}
.cat__body{display:block}
.cat__t{display:block;font-weight:800;font-size:1.3rem;letter-spacing:-.01em;line-height:1.15}
.cat__d{display:block;margin-top:8px;color:var(--muted);font-size:.97rem;line-height:1.45}
.cat .arr{margin-top:auto;font-size:1.3rem;color:var(--ink)}
.cat:hover .arr{transform:translateX(6px)}

/* ── Uptime ───────────────────────────────────────────── */
.uptime{background:var(--paper-2);padding-block:clamp(64px,9vw,124px);border-top:1px solid var(--line)}
/* the left grid item must stretch to the row height, otherwise its sticky
   child has no travel room and never pins */
.uptime__wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,6vw,88px);align-items:stretch}
.uptime__sticky{position:sticky;top:calc(var(--nav-h) + 40px)}
.uptime__sticky .display{margin-top:16px}
.uptime__sticky .body{margin-top:22px}
/* height is viewport-relative so the whole sticky block always fits on screen */
.uptime__img{margin-top:34px;overflow:hidden;height:clamp(180px,30vh,340px)}
.uptime__img img{width:100%;height:100%;object-fit:cover}

.uptime__list{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:start;
  padding:30px 4px;border-bottom:1px solid var(--line);cursor:pointer;
  transition:padding-left .4s var(--ease),background .4s var(--ease);
}
.row:hover{padding-left:16px;background:rgba(255,255,255,.7)}
.row__n{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.16em;color:var(--volt-dk);padding-top:.55em}
.row h3{font-weight:900;font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.025em;text-transform:uppercase;line-height:1}
.row p{margin-top:10px;color:var(--muted);font-size:1rem;line-height:1.5;max-width:48ch}
.row .arr{font-size:1.3rem;padding-top:.35em;color:var(--muted-2)}
.row:hover .arr{transform:translateX(6px);color:var(--ink)}

/* ── Technology ───────────────────────────────────────── */
.tech{position:relative;background:var(--ink);color:#fff;padding-block:clamp(72px,10vw,140px);overflow:hidden}
.tech__bg{position:absolute;inset:0;z-index:0}
.tech__bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.tech__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,18,16,.94),rgba(14,18,16,.72) 45%,rgba(14,18,16,.97));
}
.tech__grid-lines{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(to right,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:calc(100%/6) 100%;
}
.tech__wrap{position:relative;z-index:2}
.tech .eyebrow{color:var(--volt)}
.tech__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dk);border:1px solid var(--line-dk)}
.tcard{background:rgba(14,18,16,.55);padding:28px 24px 32px;backdrop-filter:blur(6px);transition:background .4s var(--ease)}
.tcard:hover{background:rgba(35,42,37,.85)}
.tcard__k{
  display:block;font-family:"IBM Plex Mono",monospace;font-size:.68rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--volt);
}
.tcard h3{margin-top:20px;font-weight:800;font-size:1.35rem;line-height:1.15;letter-spacing:-.015em}
.tcard p{margin-top:12px;color:#AEAAA3;font-size:.97rem;line-height:1.5}

/* ── Locations ────────────────────────────────────────── */
.locate{background:var(--volt);color:var(--ink);padding-block:clamp(64px,9vw,124px)}
.locate__head{display:grid;grid-template-columns:1.38fr 1fr;gap:clamp(28px,5vw,72px);align-items:end}
.locate .body{color:rgba(14,18,16,.72)}
.finder{
  margin-top:clamp(38px,5vw,56px);display:flex;gap:10px;flex-wrap:wrap;max-width:620px;
}
.finder input{
  flex:1 1 260px;min-height:56px;padding:0 18px;background:#fff;border:1px solid var(--ink);
  border-radius:0;font-size:1.05rem;
}
.finder input::placeholder{color:var(--muted-2)}
.finder .btn{min-height:56px;flex:none}
.finder__note{
  margin-top:14px;font-family:"IBM Plex Mono",monospace;font-size:.68rem;
  letter-spacing:.12em;text-transform:uppercase;color:rgba(14,18,16,.55);
}

/* ── Footer ───────────────────────────────────────────── */
.foot{background:var(--ink);color:#fff;padding-block:clamp(56px,7vw,88px)}
.foot__top{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,5vw,72px);align-items:start;padding-bottom:44px;border-bottom:1px solid var(--line-dk)}
.foot__logo img{height:44px;width:auto}
.foot__tag{font-size:clamp(1.15rem,2.2vw,1.7rem);font-weight:600;line-height:1.25;letter-spacing:-.015em;max-width:30ch}
.foot__cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding-block:44px}
.foot__cols h4{
  font-family:"IBM Plex Mono",monospace;font-size:.68rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--volt);margin-bottom:16px;
}
.foot__cols a{display:block;padding:7px 0;color:#B9B5AE;font-size:.97rem;transition:color .25s var(--ease)}
.foot__cols a:hover{color:#fff}
.foot__bar{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line-dk);
  font-size:.86rem;color:var(--muted-2);
}
.foot__credit a{color:var(--volt)}
.foot__credit a:hover{text-decoration:underline}

/* ── Reveal ───────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.in{opacity:1;transform:none;transition:opacity .75s var(--ease),transform .85s var(--ease)}
.reveal.in[data-d="1"]{transition-delay:.08s}
.reveal.in[data-d="2"]{transition-delay:.16s}
.reveal.in[data-d="3"]{transition-delay:.24s}
.reveal.in[data-d="4"]{transition-delay:.32s}
.reveal.in[data-d="5"]{transition-delay:.4s}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width:1080px){
  .cats__grid{grid-template-columns:repeat(2,1fr)}
  .tech__grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .nav__links{display:none}
}
@media (max-width:900px){
  .pin{display:none}
  .uptime__wrap{grid-template-columns:1fr}
  .uptime__sticky{position:static}
  .uptime__img{display:none}
  .locate__head{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr}
  .foot__cols{grid-template-columns:repeat(2,1fr);gap:32px 24px}
}
@media (max-width:760px){
  .nav__signin{display:none}
  .nav__burger{display:flex}
  .nav.is-open .mobilemenu{display:flex}
  .cats__grid{grid-template-columns:1fr}
  .tech__grid{grid-template-columns:1fr}
  .brands .wrap{padding-block:18px}
  .hero__head{text-align:left;align-items:flex-start}
  .hero__cta{justify-content:flex-start}
  .hero__cta .btn{flex:1 1 100%}
  .row{grid-template-columns:auto 1fr;gap:16px}
  .row .arr{display:none}
  .finder input,.finder .btn{flex:1 1 100%}
  .tech__grid-lines{background-size:calc(100%/3) 100%}
}
@media (max-width:420px){
  .stats__grid{grid-template-columns:1fr}
  .foot__cols{grid-template-columns:1fr}
}

/* ── Reduced motion ───────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .reveal{opacity:1;transform:none}
  .line__i{transform:none;opacity:1}
  .hero__fig{opacity:1;transform:none}
  .pin{opacity:1}
  .ticker__track{animation:none}
}