/* CaptainPost — navigation-instrument aesthetic
   Deep chart-navy, signal amber, routing teal. */

:root{
  --ink:#05080F;
  --panel:#0B111D;
  --panel-2:#101A2B;
  --line:#1A2540;
  --line-soft:#131C2E;
  --text:#E7EDF7;
  --muted:#8395B2;
  --dim:#6E80A0;
  --amber:#FFB43D;
  --amber-dim:#B87D22;
  --teal:#35D6C8;
  --teal-dim:#1B7F79;

  --f-display:"Unbounded",sans-serif;
  --f-body:"IBM Plex Sans",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;

  --wrap:1180px;
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font:400 17px/1.65 var(--f-body);
  overflow-x:hidden;
  /* chart grid + horizon glow */
  background-image:
    radial-gradient(1100px 620px at 78% -8%, rgba(53,214,200,.10), transparent 62%),
    radial-gradient(820px 520px at 8% 4%, rgba(255,180,61,.07), transparent 60%),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,scroll,scroll;
}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:99;opacity:.32;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
.mono{font-family:var(--f-mono);font-size:.78em;letter-spacing:.04em}

/* ── Section label ─────────────────────────────────────────── */
.eyebrow{
  font-family:var(--f-mono);font-size:12px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--teal);
  display:flex;align-items:center;gap:12px;margin:0 0 22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal-dim)}

h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.06;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(30px,4.1vw,50px);margin-bottom:20px}
h3{font-size:20px;letter-spacing:-.01em;margin-bottom:10px}
p{margin:0 0 18px}

/* ── Nav ───────────────────────────────────────────────────── */
/* The bar spans the viewport; only its contents are constrained. Putting the
   background on the max-width element left a floating dark card with bare
   page either side of it. */
.nav{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(5,8,15,.94),rgba(5,8,15,.72));
  border-bottom:1px solid var(--line-soft);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:var(--wrap);margin:0 auto;padding:16px 26px;
}
.nav__brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:700;font-size:18px;letter-spacing:-.01em}
.nav__brand img{border-radius:7px}
.nav__links{display:flex;align-items:center;gap:28px;font-size:15px}
.nav__links>a{color:var(--muted);transition:color .18s}
.nav__links>a:hover{color:var(--text)}
.nav__lang{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;
  border:1px solid var(--line);border-radius:6px;padding:5px 9px}

/* ── Buttons ───────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 27px;border-radius:9px;
  background:var(--amber);color:#160D00;
  font-family:var(--f-body);font-weight:600;font-size:16px;
  border:1px solid var(--amber);
  transition:transform .18s cubic-bezier(.2,.8,.3,1),box-shadow .18s;
  box-shadow:0 0 0 rgba(255,180,61,0);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px -12px rgba(255,180,61,.65)}
.btn--sm{padding:9px 17px;font-size:14px;border-radius:7px}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--teal);box-shadow:none;color:var(--teal)}

/* ── Hero ──────────────────────────────────────────────────── */
.hero{
  max-width:var(--wrap);margin:0 auto;padding:74px 26px 90px;
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:56px;align-items:center;
}
.hero__title{
  font-size:clamp(38px,5.6vw,70px);
  font-weight:900;letter-spacing:-.035em;line-height:1.0;
  margin-bottom:24px;
}
.hero__title em{font-style:normal;color:var(--amber);position:relative;white-space:nowrap}
.hero__title em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.09em;
  background:var(--amber-dim);opacity:.5;
}
.hero__sub{font-size:19px;color:var(--muted);max-width:34em;margin-bottom:34px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{font-family:var(--f-mono);font-size:12.5px;color:var(--dim);margin-top:22px;letter-spacing:.03em}

/* staggered entrance */
.rise{opacity:0;transform:translateY(18px);animation:rise .8s cubic-bezier(.2,.7,.3,1) forwards}
.rise:nth-child(1){animation-delay:.05s}
.rise:nth-child(2){animation-delay:.15s}
.rise:nth-child(3){animation-delay:.25s}
.rise:nth-child(4){animation-delay:.35s}
.rise:nth-child(5){animation-delay:.45s}
@keyframes rise{to{opacity:1;transform:none}}

/* ── Routing diagram (the signature element) ───────────────── */
.diagram{position:relative;min-height:400px}
.diagram svg{width:100%;height:auto;overflow:visible}

.dg-route{fill:none;stroke:var(--line);stroke-width:1.5}
.dg-flow{
  fill:none;stroke:var(--teal);stroke-width:1.8;
  stroke-dasharray:8 190;stroke-linecap:round;
  animation:flow 3.4s linear infinite;
  filter:drop-shadow(0 0 6px rgba(53,214,200,.75));
}
.dg-flow:nth-of-type(2){animation-delay:.5s}
.dg-flow:nth-of-type(3){animation-delay:1.0s}
.dg-flow:nth-of-type(4){animation-delay:1.5s}
.dg-flow:nth-of-type(5){animation-delay:2.0s}
@keyframes flow{to{stroke-dashoffset:-198}}

.dg-node{fill:var(--panel-2);stroke:var(--line);stroke-width:1.5}
.dg-node--src{fill:#1A1305;stroke:var(--amber-dim);stroke-width:2}
.dg-label{font-family:var(--f-mono);font-size:11.5px;fill:var(--muted);letter-spacing:.02em}
.dg-label--src{fill:var(--amber);font-weight:500}
.dg-pulse{fill:var(--amber);opacity:.16;animation:pulse 2.8s ease-out infinite}
@keyframes pulse{0%{r:26;opacity:.28}100%{r:56;opacity:0}}

/* ── Panels & sections ─────────────────────────────────────── */
section{max-width:var(--wrap);margin:0 auto;padding:84px 26px;position:relative}
.section-lead{font-size:19px;color:var(--muted);max-width:52ch;margin-bottom:46px}

.panel{
  background:linear-gradient(160deg,var(--panel),rgba(11,17,29,.4));
  border:1px solid var(--line);border-radius:var(--r);
  padding:30px;position:relative;overflow:hidden;
}
.panel::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}

/* Problem strip */
.strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;margin-top:12px;
}
.strip__cell{background:var(--panel);padding:30px 26px}
.strip__num{
  font-family:var(--f-display);font-weight:900;font-size:42px;
  letter-spacing:-.03em;color:var(--amber);line-height:1;margin-bottom:10px;
}
.strip__cell p{margin:0;color:var(--muted);font-size:15.5px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;padding-top:30px}
.step__n{
  position:absolute;top:0;left:0;
  font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.2em;
  color:var(--teal);
}
.step__n::after{content:"";display:block;height:1px;background:var(--line);margin-top:10px;width:100%}
.step p{color:var(--muted);font-size:15.5px;margin:0}

/* Features */
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:20px}
.feat{
  border:1px solid var(--line);border-radius:12px;padding:26px;
  background:var(--panel);transition:border-color .22s,transform .22s;
}
.feat:hover{border-color:var(--teal-dim);transform:translateY(-3px)}
.feat h3{font-size:17.5px}
.feat p{color:var(--muted);font-size:15px;margin:0}
.feat__ico{
  width:34px;height:34px;border-radius:8px;margin-bottom:16px;
  display:grid;place-items:center;
  background:rgba(53,214,200,.09);border:1px solid var(--teal-dim);
  font-family:var(--f-mono);font-size:14px;color:var(--teal);
}

/* Comparison table */
.tbl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:15.5px}
th,td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line-soft)}
thead th{
  font-family:var(--f-mono);font-size:12px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
  background:var(--panel);white-space:nowrap;
}
thead th:last-child{color:var(--amber)}
tbody tr:last-child td{border-bottom:none}
tbody td:first-child{color:var(--muted)}
td.yes{color:var(--teal)}
/* --dim on the lighter panel background falls under 4.5:1; the
   'competitor cannot' hierarchy is carried by the bold, tinted
   CaptainPost column instead. */
td.no{color:var(--muted)}
tbody td:last-child{color:var(--text);font-weight:600;background:rgba(255,180,61,.035)}

/* Use cases */
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:20px}
.case{border-left:2px solid var(--line);padding:4px 0 4px 22px;transition:border-color .22s}
.case:hover{border-left-color:var(--amber)}
.case h3{font-size:16.5px;margin-bottom:8px}
.case p{color:var(--muted);font-size:15px;margin:0}

/* Privacy callout */
.priv{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:44px;align-items:center;
}
.code{
  font-family:var(--f-mono);font-size:13.5px;line-height:1.75;
  background:#040710;border:1px solid var(--line);border-radius:12px;
  padding:24px;overflow-x:auto;color:var(--muted);
  /* it is a div, not a pre — without this the source collapses into a
     single wrapped paragraph */
  white-space:pre;
}
.code .k{color:var(--teal)}
.code .s{color:var(--amber)}
.code .c{color:#3E4C66}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 44px 22px 0;position:relative;
  font-family:var(--f-display);font-weight:700;font-size:17.5px;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:8px;top:20px;
  font-family:var(--f-mono);font-size:22px;color:var(--teal);
  transition:transform .25s;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);font-size:15.5px;padding:0 40px 22px 0;margin:0}

/* Final CTA */
.cta{
  text-align:center;border:1px solid var(--line);border-radius:20px;
  padding:66px 30px;position:relative;overflow:hidden;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(255,180,61,.10), transparent 68%),
    var(--panel);
}
.cta h2{margin-bottom:14px}
.cta p{color:var(--muted);max-width:44ch;margin:0 auto 30px}

/* Footer */
.foot{border-top:1px solid var(--line);margin-top:40px}
.foot__grid{
  max-width:var(--wrap);margin:0 auto;padding:54px 26px 34px;
  display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;
}
.foot__brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:17px;margin-bottom:12px}
.foot__brand img{border-radius:6px}
.foot__tag{color:var(--dim);font-size:14.5px;max-width:30ch;margin:0}
.foot h4{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:14px;
}
.foot__grid a{display:block;color:var(--muted);font-size:15px;padding:5px 0;transition:color .18s}
.foot__grid a:hover{color:var(--teal)}
.foot__base{
  max-width:var(--wrap);margin:0 auto;padding:20px 26px 46px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--dim);font-size:13.5px;
}

/* ── Legal pages ───────────────────────────────────────────── */
.doc{max-width:790px;margin:0 auto;padding:66px 26px 90px}
.doc h1{font-size:clamp(30px,4.4vw,44px);font-weight:900;letter-spacing:-.03em;margin-bottom:12px}
.doc__date{font-family:var(--f-mono);font-size:12.5px;color:var(--dim);letter-spacing:.05em;margin-bottom:44px}
.doc h2{font-size:22px;margin:44px 0 14px}
.doc p,.doc li{color:var(--muted);font-size:16px}
.doc ul{padding-left:20px}
.doc li{margin-bottom:9px}
.doc strong{color:var(--text);font-weight:600}
.doc a{color:var(--teal);border-bottom:1px solid var(--teal-dim)}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;padding-top:44px;gap:44px}
  .priv{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:1fr}
  .strip{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr}
  .nav__links>a:not(.btn):not(.nav__lang){display:none}
}
@media (max-width:560px){
  body{font-size:16px}
  section{padding:58px 22px}
  .wrap,.nav__inner,.hero{padding-left:22px;padding-right:22px}
  .cta{padding:46px 22px}
  .foot__grid{grid-template-columns:1fr;gap:28px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rise{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ── Pricing ───────────────────────────────────────────────── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{
  border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  background:var(--panel);display:flex;flex-direction:column;
}
.plan--hi{
  border-color:var(--amber-dim);
  background:
    radial-gradient(420px 200px at 50% 0%, rgba(255,180,61,.09), transparent 70%),
    var(--panel);
}
.plan__tag{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:16px;
}
.plan--hi .plan__tag{color:var(--amber)}
.plan__price{
  font-family:var(--f-display);font-weight:900;font-size:38px;
  letter-spacing:-.03em;line-height:1;margin-bottom:6px;
}
.plan__per{font-family:var(--f-mono);font-size:12.5px;color:var(--dim);margin-bottom:8px}
.plan__alt{font-family:var(--f-mono);font-size:12.5px;color:var(--muted);margin-bottom:22px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px}
.plan li{color:var(--muted);font-size:15px;padding-left:22px;position:relative}
.plan li::before{
  content:"→";position:absolute;left:0;color:var(--teal);
  font-family:var(--f-mono);font-size:13px;
}
.plan--hi li::before{color:var(--amber)}
.plan .btn{margin-top:auto;justify-content:center}
.plans__note{
  font-family:var(--f-mono);font-size:12.5px;color:var(--dim);
  margin-top:22px;letter-spacing:.02em;
}
@media (max-width:860px){.plans{grid-template-columns:1fr}}