/* ==========================================================================
   RailCast site — shared design system
   One stylesheet for the landing page and the legal pages so they stay
   visually identical. Light/dark themable, responsive, accessible.
   ========================================================================== */

:root{
  --bg:#fcfcfd; --panel:#ffffff; --panel-2:#f4f5f8; --line:#e9eaf0; --line-2:#f0f1f5;
  --ink:#0f1018; --body:#3e3f4d; --soft:#73748a; --faint:#a6a7b6;
  --accent:#ff5c1a; --accent-ink:#e64f12; --accent-soft:#ff5c1a14;
  --ok:#16b27a; --warn:#e0922a;
  --maxw:684px;
  --serif:ui-serif,Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shadow:0 18px 50px rgba(20,22,52,.10);
  --shadow-sm:0 6px 18px rgba(20,22,52,.06);
}
[data-theme="dark"]{
  --bg:#0b0b12; --panel:#13131d; --panel-2:#1a1a26; --line:#23232f; --line-2:#191923;
  --ink:#f1f1f7; --body:#c2c3d0; --soft:#8a8b9d; --faint:#5c5d70;
  --accent:#ff6a2b; --accent-ink:#ff8047; --accent-soft:#ff5c1a1f;
  --ok:#27d99a; --warn:#f0a942;
  --shadow:0 20px 56px rgba(0,0,0,.55);
  --shadow-sm:0 8px 22px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--body);font-family:var(--sans);font-size:16px;line-height:1.72;
  -webkit-font-smoothing:antialiased;transition:background .4s ease,color .3s ease;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-ink);text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
::selection{background:var(--accent-soft);color:var(--ink)}
a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}

/* scroll progress */
#prog{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--accent),var(--accent-ink));transition:width .08s linear}

/* top bar */
.bar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 80%,transparent);
  backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid var(--line);transition:background .4s,border-color .4s}
.bar-in{max-width:var(--maxw);margin:0 auto;padding:11px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.logo{display:flex;align-items:center;gap:8px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .mk{width:21px;height:21px;border-radius:6px;overflow:hidden;flex:0 0 auto;box-shadow:var(--shadow-sm)}
.logo .mk svg{display:block;width:100%;height:100%}
.logo span{font-weight:700;font-size:15px;letter-spacing:.4px}
.bar nav{display:flex;align-items:center;gap:6px}
.bar nav a{position:relative;color:var(--soft);font-size:13.5px;padding:6px 10px;border-radius:8px;transition:color .2s,background .2s}
.bar nav a:hover{color:var(--ink);text-decoration:none;background:var(--panel-2)}
.bar nav a.active{color:var(--ink)}
.bar nav a.active::after{content:"";position:absolute;left:10px;right:10px;bottom:1px;height:2px;border-radius:2px;background:var(--accent)}
@media(max-width:600px){.bar nav a.h{display:none}}
.tg{width:46px;height:26px;border-radius:26px;border:1px solid var(--line);background:var(--panel-2);position:relative;cursor:pointer;flex:0 0 auto;margin-left:4px;transition:background .3s,border-color .3s}
.tg .kb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--panel);
  box-shadow:0 2px 6px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;transition:transform .34s cubic-bezier(.4,.05,.2,1)}
[data-theme="dark"] .tg .kb{transform:translateX(20px)}
.tg svg{width:12px;height:12px;color:var(--accent)}
.tg .s{display:block}.tg .m{display:none}
[data-theme="dark"] .tg .s{display:none}[data-theme="dark"] .tg .m{display:block}

/* hero */
.hero{position:relative;padding:72px 0 40px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% 0 auto;height:340px;z-index:-1;
  background:radial-gradient(540px 260px at 50% 0,var(--accent-soft),transparent 70%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--soft);font-size:12px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:20px;
  border:1px solid var(--line);background:var(--panel);border-radius:30px;padding:6px 14px;box-shadow:var(--shadow-sm)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 22%,transparent)}
h1.title{font-family:var(--serif);font-weight:600;font-size:clamp(40px,8.4vw,62px);line-height:1.02;letter-spacing:-.6px;color:var(--ink)}
h1.title em{font-style:italic;background:linear-gradient(120deg,var(--accent),var(--accent-ink));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--soft);font-size:clamp(16px,3.2vw,19px);margin:18px auto 0;max-width:500px}
.rail{width:200px;height:36px;margin:24px auto 0;position:relative;overflow:hidden}
.rail .line{position:absolute;left:0;right:0;top:27px;height:2px;border-radius:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 9px,transparent 9px 18px)}
.rail .train{position:absolute;bottom:1px;left:0;width:88px;height:auto;animation:run 4.6s linear infinite;will-change:left}
@keyframes run{0%{left:-96px;opacity:0}9%{opacity:1}91%{opacity:1}100%{left:200px;opacity:0}}
.cta{margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:13px;font-weight:600;font-size:14.5px;
  transition:transform .2s,box-shadow .2s,background .3s,border-color .3s}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn.primary{background:linear-gradient(120deg,var(--accent),var(--accent-ink));color:#fff;box-shadow:0 12px 26px color-mix(in srgb,var(--accent) 36%,transparent)}
.btn.ghost{border:1px solid var(--line);color:var(--ink);background:var(--panel);box-shadow:var(--shadow-sm)}
.meta{margin-top:18px;color:var(--faint);font-size:13px}

/* trust strip */
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}
.trust .pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--panel);
  border-radius:30px;padding:7px 13px;font-size:12.5px;color:var(--soft);box-shadow:var(--shadow-sm)}
.trust .pill b{color:var(--ink);font-weight:650}
.trust .pill .d{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* sections */
section{padding:38px 0;border-top:1px solid var(--line);scroll-margin-top:70px}
section:first-of-type{border-top:none}
.kicker{display:inline-block;color:var(--accent);font-size:11.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:10px}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(25px,4.6vw,31px);color:var(--ink);letter-spacing:-.3px;margin-bottom:4px}
h3{font-size:16.5px;color:var(--ink);margin:20px 0 4px;font-weight:650}
.sec-lede{color:var(--soft);font-size:15px;max-width:560px;margin:6px 0 4px}
p{margin:8px 0}
ul{margin:8px 0 0 20px}li{margin:5px 0}
strong{color:var(--ink);font-weight:650}
.muted{color:var(--soft);font-size:14.5px}

/* feature grid */
.features{display:grid;grid-template-columns:1fr;gap:6px;margin-top:16px}
.feat{display:flex;gap:15px;align-items:flex-start;padding:15px 14px;border-radius:14px;border:1px solid transparent;transition:background .25s,border-color .25s,transform .25s}
.feat:hover{background:var(--panel);border-color:var(--line);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.feat .ic{flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;font-size:19px}
.feat b{color:var(--ink);font-size:16px;font-weight:650}
.feat p{margin:3px 0 0;color:var(--soft);font-size:14.5px}

/* how it works — numbered steps */
.steps{counter-reset:step;display:grid;grid-template-columns:1fr;gap:10px;margin-top:16px}
.step{position:relative;padding:16px 16px 16px 60px;border:1px solid var(--line);border-radius:14px;background:var(--panel);box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:15px;width:32px;height:32px;border-radius:10px;
  background:linear-gradient(120deg,var(--accent),var(--accent-ink));color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.step b{color:var(--ink);font-size:15.5px;font-weight:650}
.step p{margin:2px 0 0;color:var(--soft);font-size:14px}

/* FAQ — native accordion */
.faq{margin-top:14px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel);box-shadow:var(--shadow-sm)}
.faq details{border-top:1px solid var(--line-2)}
.faq details:first-child{border-top:none}
.faq summary{cursor:pointer;list-style:none;padding:15px 18px;font-weight:650;color:var(--ink);font-size:15px;
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:20px;font-weight:600;transition:transform .25s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 18px 16px;color:var(--soft);font-size:14.5px}
.faq .a a{font-weight:600}

/* callouts, tables */
.callout{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-top:14px;box-shadow:var(--shadow-sm)}
.callout.small{font-size:14px;color:var(--soft)}
.callout.accent{border-color:color-mix(in srgb,var(--accent) 30%,var(--line));background:linear-gradient(180deg,var(--accent-soft),transparent)}
table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line-2);vertical-align:top;color:var(--body)}
tr:last-child td{border-bottom:none}
th{color:var(--soft);font-size:11px;letter-spacing:.5px;text-transform:uppercase;font-weight:650;background:var(--panel-2)}
.updated{color:var(--faint);font-size:13px;margin:2px 0 14px}

/* legal page header */
.page-head{padding:54px 0 8px}
.crumb{display:inline-flex;align-items:center;gap:6px;color:var(--soft);font-size:13px;margin-bottom:12px}
.crumb a{color:var(--soft)}.crumb a:hover{color:var(--ink)}
.legal-nav{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}
.legal-nav a{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:7px 13px;font-size:13px;color:var(--soft)}
.legal-nav a:hover{color:var(--ink);text-decoration:none;border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}

footer{border-top:1px solid var(--line);padding:28px 0 56px;color:var(--faint);font-size:13px;margin-top:8px}
footer .frow{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center}
footer a{color:var(--soft)}footer a:hover{color:var(--ink)}
.disc{color:var(--faint);font-size:12.5px;margin-top:12px;line-height:1.6}

/* back to top */
#up{position:fixed;right:20px;bottom:20px;z-index:40;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--panel);color:var(--ink);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(10px) scale(.9);
  pointer-events:none;transition:opacity .3s,transform .3s,background .3s}
#up.show{opacity:1;transform:none;pointer-events:auto}
#up:hover{transform:translateY(-2px)}
#up svg{width:18px;height:18px}

/* responsive */
@media(min-width:700px){
  .features{grid-template-columns:1fr 1fr;gap:10px}
  .steps{grid-template-columns:1fr 1fr}
}
@media(min-width:980px){
  .wrap{max-width:1060px}
  .hero{padding:84px 0 44px}
  .promise > *{max-width:760px}
  .legal-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
  .legal-grid > section{border-top:none;padding-top:38px}
  .legal-grid > section:first-child{padding-right:42px}
  .legal-grid > section:last-child{padding-left:42px;border-left:1px solid var(--line)}
}
@media(min-width:1280px){.wrap{max-width:1140px}}

/* reveal + reduced motion */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none}
  *,*::before,*::after{animation:none!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}


/* ===== App screenshots — CSS phone mockups (no external images) ===== */
.shots{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 2px 18px;-webkit-overflow-scrolling:touch}
.shots::-webkit-scrollbar{height:6px}
.shots::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.sp{flex:0 0 auto;width:244px;scroll-snap-align:center;background:#0b0b12;border:1px solid #2a2a38;border-radius:30px;overflow:hidden;color:#f1f1f7;box-shadow:var(--shadow);display:flex;flex-direction:column}
.sp-top{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9px;color:#8a8b9d;padding:11px 16px 4px}
.sp-scr{padding:4px 12px 8px;display:flex;flex-direction:column;gap:8px;flex:1}
.sp-cap{text-align:center;color:var(--soft);font-size:13px;margin-top:10px;font-weight:600}
.sp-wm{font-weight:700;font-size:18px;letter-spacing:2px;color:#f1f1f7}
.sp-grey{color:#8a8b9d;font-size:10px}
.sp-search{display:flex;align-items:center;gap:8px;background:#13131d;border:1px solid #23232f;border-radius:11px;padding:9px 11px;font-size:11px;color:#8a8b9d}
.sp-card{background:#13131d;border:1px solid #23232f;border-radius:13px;padding:11px;display:flex;flex-direction:column;gap:5px}
.sp-hero{border-color:#ff6a2b66;border-left:3px solid #ff6a2b}
.sp-lab{font-size:8.5px;letter-spacing:1.3px;color:#5c5d70;font-weight:700}
.sp-row{display:flex;align-items:center;gap:6px}
.sp-tno{font-family:var(--mono);font-weight:700;color:#ff6a2b;font-size:11px}
.sp-tn{font-weight:600;font-size:12px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sp-pill{border-radius:14px;padding:2px 8px;font-size:9.5px;font-weight:600;display:inline-block}
.sp-ok{background:#27d99a1f;color:#27d99a}
.sp-warn{background:#f0a9421f;color:#f0a942}
.sp-pf{border:1px solid #2a2a38;background:#1a1a26;border-radius:6px;padding:1px 7px;font-family:var(--mono);font-weight:700;font-size:10px;color:#f1f1f7}
.sp-prim{font-weight:600;font-size:13.5px;margin-top:4px;color:#f1f1f7}
.sp-big{font-family:var(--mono);font-weight:700;font-size:26px;text-align:center;color:#f1f1f7}
.sp-mut{color:#8a8b9d;font-size:10px}
.sp-center{align-items:center;text-align:center}
.sp-exp{display:flex;justify-content:space-between;align-items:center;background:#13131d;border:1px solid #23232f;border-radius:11px;padding:11px 12px;font-size:11.5px;font-weight:600;color:#f1f1f7}
.sp-plus{color:#ff6a2b;font-size:16px;line-height:1}
.sp-kv{display:flex;justify-content:space-between;border-top:1px solid #1a1a26;padding:8px 0;font-size:11px}
.sp-kv .k{color:#8a8b9d}.sp-kv .v{font-weight:600;color:#f1f1f7}
.sp-input{display:flex;align-items:center;gap:8px;background:#13131d;border:1px solid #23232f;border-radius:11px;padding:11px;font-family:var(--mono);letter-spacing:2px;font-size:13px;color:#f1f1f7}
.sp-tabs{display:flex;border-top:1px solid #23232f;padding:7px 0 9px}
.sp-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:8.5px;color:#5c5d70}
.sp-tab.on{color:#f1f1f7}
.sp-tab svg{width:18px;height:18px;stroke:#5c5d70;fill:none;stroke-width:1.9}
.sp-tab.on svg{stroke:#ff6a2b}
@media(min-width:980px){.shots{justify-content:center;flex-wrap:wrap}}