/* ============================================
   Railston & Co — railstons.com
   Single-page signboard site, Direction C "Velocity"
   Sora display / Inter body, blue + orange on white
   ============================================ */

:root{
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --ink:#101828;
  --ink-soft:#51586a;
  --orange:#f26b1d;
  --orange-soft:#fff1e8;
  --blue:#1e6fd9;
  --blue-ink:#0d2a52;
  --blue-soft:#e9f1fd;
  --green:#0eaf7d;
  --green-soft:#e7faf3;
  --line:#e6e9f0;
  --display:'Sora','Inter',-apple-system,sans-serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --max:1160px;
  --r:14px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 28px}

/* --- Header --- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo img{height:32px;width:auto}
.nav-links{display:flex;gap:34px;font-size:15px;font-weight:500;align-items:center}
.nav-links a{color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:100px;font-weight:600;font-size:15px;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 14px rgba(30,111,217,.28)}
.btn-primary:hover{background:#1a5fc0;transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--orange)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}

/* --- Hero --- */
.hero{position:relative;padding:104px 0 84px;overflow:hidden;text-align:center}
.hero::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:1100px;height:820px;
  background:radial-gradient(closest-side, rgba(30,111,217,.14), transparent 70%),
             radial-gradient(closest-side at 70% 60%, rgba(242,107,29,.12), transparent 70%);
  pointer-events:none}
.hero>.container{position:relative}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue);font-size:13.5px;font-weight:600;border-radius:100px;padding:8px 18px;margin-bottom:30px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--orange)}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,5.8vw,68px);line-height:1.06;letter-spacing:-.025em;max-width:20ch;margin:0 auto}
.hero h1 .grad{background:linear-gradient(90deg,var(--blue),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:28px auto 0;font-size:19px;color:var(--ink-soft);max-width:58ch}
.hero-ctas{margin-top:40px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-clients{margin-top:64px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#9aa1b2;font-weight:600}
.client{display:flex;flex-direction:column;align-items:center;gap:3px;white-space:nowrap}
.client .cname{font-family:var(--display);font-size:20px;font-weight:700;color:#3d4457;letter-spacing:-.01em}
.client .csector{font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}

/* Client carousel (continuous marquee; pauses on hover) */
.marquee{margin-top:22px;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee-scroll 60s linear infinite}
.marquee-set{display:flex;gap:72px;padding-right:72px}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee-scroll{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){
  .marquee{-webkit-mask-image:none;mask-image:none}
  .marquee-track{animation:none;width:auto;flex-wrap:wrap;justify-content:center}
  .marquee-set{flex-wrap:wrap;justify-content:center;padding-right:0}
  .marquee-set[aria-hidden="true"]{display:none}
}

/* --- Stats band --- */
.band{background:var(--blue-ink);color:#fff;border-radius:var(--r);padding:8px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.band-cell{padding:32px 28px;text-align:center}
.band-cell .num{font-family:var(--display);font-size:36px;font-weight:700}
.band-cell .num em{font-style:normal;color:var(--orange)}
.band-cell .lbl{font-size:14px;color:#b6c5de;margin-top:4px}

/* --- Testimonial carousel band --- */
.quote-band{padding:48px 40px 36px;text-align:center}
.qhead{font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#8fa3c4;margin-bottom:26px}
.qcarousel{display:grid}
.qslide{grid-area:1/1;opacity:0;transition:opacity .7s ease;pointer-events:none;margin:0}
.qslide.active{opacity:1;pointer-events:auto}
.qslide .qmark{font-family:var(--display);font-size:56px;font-weight:700;color:var(--orange);line-height:.6;margin-bottom:14px}
.qslide blockquote{font-family:var(--display);font-weight:600;font-size:clamp(18px,2.2vw,25px);line-height:1.45;letter-spacing:-.01em;max-width:44ch;margin:0 auto}
.qslide figcaption{margin-top:20px}
.qslide .qname{display:block;font-weight:600;font-size:15px;color:#fff}
.qslide .qrole{display:block;font-size:13.5px;color:#b6c5de;margin-top:2px}
.qdots{display:flex;gap:10px;justify-content:center;margin-top:26px}
.qdot{width:28px;height:28px;border-radius:50%;border:none;padding:0;background:transparent;cursor:pointer;position:relative}
.qdot::after{content:"";position:absolute;inset:0;margin:auto;width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);transition:background .3s,transform .3s}
.qdot:hover::after{background:rgba(255,255,255,.5)}
.qdot.active::after{background:var(--orange);transform:scale(1.25)}
@media(max-width:640px){.quote-band{padding:36px 22px 30px}}

/* --- Sections --- */
section{padding:96px 0}
.kicker{display:inline-block;background:var(--orange-soft);color:var(--orange);font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;border-radius:100px;padding:7px 16px;margin-bottom:22px}
.kicker.blue{background:var(--blue-soft);color:var(--blue)}
.sec-head{max-width:680px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-family:var(--display);font-weight:700;font-size:clamp(28px,3.5vw,42px);line-height:1.12;letter-spacing:-.02em}
.sec-head p{margin-top:16px;color:var(--ink-soft);font-size:18px}

/* --- Collabaro flagship split --- */
.flag{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;background:linear-gradient(135deg,#f0f5fd,#fdf3ec);border-radius:20px;padding:60px}
.flag h2{font-family:var(--display);font-weight:700;font-size:clamp(27px,3.1vw,38px);line-height:1.12;letter-spacing:-.02em}
.flag p{margin-top:18px;color:var(--ink-soft);font-size:17px}
.flag .btn{margin-top:30px}
.feat-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{background:#fff;border:1px solid var(--line);border-radius:100px;padding:7px 15px;font-size:13.5px;font-weight:500;color:var(--ink-soft)}
.flag-shot{grid-column:1 / -1;margin:16px 0 0}
.flag-shot img{width:100%;height:auto;display:block;border-radius:12px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(16,24,40,.14)}
.flag-shot figcaption{margin-top:12px;font-size:13.5px;color:var(--ink-soft);text-align:center}
.flag-card{background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(16,24,40,.12);padding:32px;border:1px solid var(--line)}
.fc-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
.fc-head .t{font-family:var(--display);font-weight:600}
.live{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--green);background:var(--green-soft);padding:5px 12px;border-radius:100px}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.fc-rows{padding-top:8px}
.fc-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid #f0f2f6;font-size:15px}
.fc-row:last-child{border-bottom:none}
.fc-row .v{font-family:var(--display);font-weight:600}
.fc-row .v.o{color:var(--orange)}
.fc-row .v.b{color:var(--blue)}

/* --- Timeline (track record) --- */
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--blue),var(--orange))}
.tl-item{position:relative;padding:0 0 44px 68px}
.tl-item:last-child{padding-bottom:0}
.tl-item .node{position:absolute;left:8px;top:4px;width:24px;height:24px;border-radius:50%;background:#fff;border:2.5px solid var(--blue);display:flex;align-items:center;justify-content:center}
.tl-item .node::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue)}
.tl-item.hot .node{border-color:var(--orange)}
.tl-item.hot .node::after{background:var(--orange)}
.tl-item .yr{font-family:var(--display);font-weight:700;font-size:14px;color:var(--blue);letter-spacing:.04em}
.tl-item.hot .yr{color:var(--orange)}
.tl-item h3{font-family:var(--display);font-size:20px;font-weight:600;margin:6px 0 8px}
.tl-item p{color:var(--ink-soft);font-size:15.5px;max-width:60ch}
.tl-item .who{font-weight:600;color:var(--ink)}

/* --- Research --- */
.research{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;background:var(--blue-ink);border-radius:20px;color:#fff;padding:60px}
.research .kicker{background:rgba(242,107,29,.18);color:#ffab77}
.research h2{font-family:var(--display);font-weight:700;font-size:clamp(25px,2.9vw,36px);line-height:1.15;letter-spacing:-.02em}
.research>div>p{margin-top:18px;color:#b6c5de;font-size:16.5px}
.rlist{display:flex;flex-direction:column;gap:12px}
.ritem{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:17px 22px;font-size:15px;display:flex;gap:16px;align-items:baseline;transition:border-color .2s,background .2s}
a.ritem:hover,a.ritem:focus-visible{border-color:var(--orange);background:rgba(255,255,255,.1)}
.ritem .yr{font-family:var(--display);font-weight:600;color:var(--orange);flex-shrink:0}
.ritem .ext{color:#8fa3c4;font-size:13px}
.rmore{margin-top:6px;font-size:14.5px}
.rmore a{color:#b6c5de;text-decoration:underline;text-underline-offset:3px}
.rmore a:hover{color:#fff}

/* --- Open door + contact --- */
.contact{text-align:center;padding:110px 0 100px}
.contact h2{font-family:var(--display);font-weight:700;font-size:clamp(30px,4.2vw,50px);line-height:1.1;max-width:22ch;margin:0 auto;letter-spacing:-.025em}
.contact .lead{margin:24px auto 0;color:var(--ink-soft);max-width:52ch;font-size:17.5px}
.contact .btn{margin-top:36px}
.contact-cards{margin-top:64px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:left}
.ccard{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:var(--bg-soft)}
.ccard .cl{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.ccard .cv{font-size:15.5px;color:var(--ink)}
.ccard .cv a{color:var(--blue);font-weight:500}
.ccard .cv a:hover{text-decoration:underline}

/* --- Footer --- */
footer{border-top:1px solid var(--line);padding:34px 0;font-size:14px;color:var(--ink-soft)}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;align-items:center}
.foot a:hover{color:var(--ink)}
.foot .links{display:flex;gap:22px}

/* --- Legal / simple pages --- */
.page{padding:76px 0 104px;max-width:740px;margin:0 auto}
.page .kicker{margin-bottom:18px}
.page h1{font-family:var(--display);font-weight:700;font-size:clamp(30px,4vw,44px);letter-spacing:-.02em;line-height:1.1;margin-bottom:14px}
.page .updated{display:inline-flex;align-items:center;gap:8px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-soft);font-size:13.5px;font-weight:500;border-radius:100px;padding:7px 16px;margin-bottom:44px}
.page .updated::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.page h2{font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.01em;margin:46px 0 12px;padding-top:26px;border-top:1px solid var(--line)}
.page h2:first-of-type{border-top:none;padding-top:0}
.page p, .page li{color:var(--ink-soft);font-size:16px;line-height:1.7}
.page p{margin-bottom:14px}
.page ul{padding-left:22px;margin:12px 0}
.page a{color:var(--blue);font-weight:500}
.page a:hover{text-decoration:underline;text-underline-offset:3px}

/* Company fact box on legal pages */
.factbox{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:28px 0 8px}
.fact{background:var(--bg-soft);padding:18px 22px}
.fact.wide{grid-column:1 / -1}
.fact .fl{font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--blue);margin-bottom:5px}
.fact .fv{font-size:15px;color:var(--ink);line-height:1.55}
@media(max-width:640px){.factbox{grid-template-columns:1fr}.fact.wide{grid-column:auto}}

/* --- 404 --- */
.notfound{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 28px}
.notfound .code{font-family:var(--display);font-weight:700;font-size:96px;background:linear-gradient(90deg,var(--blue),var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.notfound h1{font-family:var(--display);font-weight:700;font-size:28px;margin:16px 0 10px}
.notfound p{color:var(--ink-soft)}
.notfound .btn{margin-top:28px}

/* --- Scroll reveal (gated behind .js so content is always visible without JavaScript) --- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.visible{opacity:1;transform:translateY(0)}

/* --- Responsive --- */
@media(max-width:900px){
  .nav-links{display:none}
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .flag,.research{grid-template-columns:1fr;padding:38px 26px;gap:36px}
  .contact-cards{grid-template-columns:1fr}
  .hero{padding:80px 0 64px}
  section{padding:72px 0}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}