/* ============================================================
   NthEndpoint — shared stylesheet for module detail pages
   Design tokens match /index.html exactly for brand consistency.
   No third-party platform names are referenced anywhere on this site.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:#0B1220;
  --ink-soft:#141D2E;
  --paper:#F4F6F8;
  --paper-line:#E1E6EA;
  --text-on-ink:#EAF0FA;
  --text-on-ink-dim:#8C9BB5;
  --text-on-paper:#10151F;
  --text-on-paper-dim:#5B6572;
  --signal:#2F6FED;
  --signal-soft:#DCE7FE;
  --emerald:#1FAE7A;
  --amber:#F2A93B;
  --violet:#8B5CF6;
  --violet-soft:#EDE4FE;
  --coral:#FF6B5E;
  --coral-soft:#FFE2DE;
  --teal:#16BFA6;
  --teal-soft:#D8F8F1;
  --font-display:'IBM Plex Sans', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
body{
  margin:0; font-family:var(--font-body); background:var(--paper); color:var(--text-on-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display); margin:0; line-height:1.15;}
p{margin:0;}
a{color:inherit;}
.wrap{max-width:1120px; margin:0 auto; padding:0 32px;}
@media (max-width:700px){.wrap{padding:0 20px;}}

/* ---------- Nav ---------- */
nav{position:sticky; top:0; z-index:50; background:var(--ink); border-bottom:1px solid rgba(255,255,255,0.08);}
nav .wrap{display:flex; align-items:center; justify-content:space-between; height:68px;}
.brand{display:flex; align-items:center; gap:9px; text-decoration:none; color:var(--text-on-ink);}
.logomark{flex-shrink:0;}
.logomark rect:nth-child(1){fill:var(--teal);}
.logomark rect:nth-child(2){fill:var(--signal);}
.logomark rect:nth-child(3){fill:url(#logoGrad);}
.wordmark{display:inline-flex; flex-direction:column; line-height:1; gap:2px;}
.wordmark .w-nth{color:var(--text-on-ink); font-weight:700; font-size:1.24em; letter-spacing:0.005em; font-family:var(--font-display);}
.wordmark .w-th-sup{font-size:0.56em; font-weight:600; vertical-align:0.62em; margin-left:0.02em;}
.wordmark .w-endpoint{color:var(--text-on-ink-dim); font-weight:500; font-size:0.5em; letter-spacing:0.14em; text-transform:uppercase;}
.navlinks{display:flex; gap:28px;}
.navlinks a{font-size:13.5px; color:var(--text-on-ink-dim); text-decoration:none; transition:color .15s;}
.navlinks a:hover{color:var(--text-on-ink);}
.nav-cta{
  font-family:var(--font-mono); font-size:13px; font-weight:600; background:var(--text-on-ink); color:var(--ink);
  padding:10px 18px; border-radius:7px; text-decoration:none; transition:transform .15s, background .15s;
}
.nav-cta:hover{background:#fff; transform:translateY(-1px);}
.navlink-demo{font-size:13.5px; color:var(--text-on-ink-dim); text-decoration:none; font-weight:500; padding:9px 4px;}
.navlink-demo:hover{color:var(--text-on-ink);}
@media (max-width:800px){.navlinks{display:none;} .navlink-demo{display:none;}}

/* ---------- Breadcrumb ---------- */
.breadcrumb{background:var(--ink); padding:14px 0 26px;}
.breadcrumb .wrap{display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:12px; color:var(--text-on-ink-dim);}
.breadcrumb a{color:var(--text-on-ink-dim); text-decoration:none;}
.breadcrumb a:hover{color:var(--text-on-ink);}

/* ---------- Module hero ---------- */
.module-hero{background:var(--ink); color:var(--text-on-ink); padding:8px 0 56px;}
.module-hero .kicker{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:12.5px;
  color:var(--tab-accent, var(--signal)); letter-spacing:0.04em; text-transform:uppercase; margin-bottom:18px;
}
.module-hero .kicker .dot{width:6px; height:6px; border-radius:50%; background:var(--tab-accent, var(--signal));}
.module-icon{
  width:56px; height:56px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:var(--tab-accent-soft, var(--signal-soft)); color:var(--tab-accent, var(--signal)); margin-bottom:22px;
}
.module-icon svg{width:28px; height:28px;}
.module-hero h1{font-size:40px; max-width:680px; margin-bottom:18px;}
@media (max-width:700px){.module-hero h1{font-size:30px;}}
.module-hero .lede{font-size:16.5px; color:var(--text-on-ink-dim); max-width:640px; line-height:1.65; margin-bottom:30px;}
.hero-ctas{display:flex; gap:12px; flex-wrap:wrap;}
.btn-primary{
  font-family:var(--font-mono); font-weight:600; font-size:14px; background:var(--signal); color:#fff;
  padding:13px 24px; border-radius:8px; text-decoration:none; display:inline-block; transition:transform .15s, box-shadow .15s;
}
.btn-primary:hover{transform:translateY(-1px); box-shadow:0 10px 24px rgba(47,111,237,0.35);}
.btn-ghost{
  font-family:var(--font-mono); font-weight:600; font-size:14px; background:transparent; color:var(--text-on-ink);
  padding:13px 24px; border-radius:8px; border:1px solid rgba(255,255,255,0.18); text-decoration:none; transition:border-color .15s;
}
.btn-ghost:hover{border-color:rgba(255,255,255,0.4);}

/* ---------- Stat strip ---------- */
.module-stats{display:flex; gap:14px; flex-wrap:wrap; margin-top:36px;}
.module-stats .stat{
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.09); border-radius:10px;
  padding:16px 20px; min-width:150px;
}
.module-stats .stat b{display:block; font-family:var(--font-mono); font-size:20px; color:var(--tab-accent, var(--signal)); margin-bottom:4px;}
.module-stats .stat span{font-size:12px; color:var(--text-on-ink-dim);}

/* ---------- Content sections ---------- */
.module-section{padding:56px 0;}
.module-section.alt{background:#fff; border-top:1px solid var(--paper-line); border-bottom:1px solid var(--paper-line);}
.module-section h2{font-size:26px; margin-bottom:14px;}
.module-section .kicker-sm{
  font-family:var(--font-mono); font-size:11.5px; color:var(--tab-accent, var(--signal));
  letter-spacing:0.04em; text-transform:uppercase; margin-bottom:10px; display:block;
}
.module-section > .wrap > p.section-intro{font-size:15.5px; color:var(--text-on-paper-dim); max-width:720px; line-height:1.7; margin-bottom:34px;}

.feature-blocks{display:grid; grid-template-columns:repeat(2,1fr); gap:28px;}
@media (max-width:760px){.feature-blocks{grid-template-columns:1fr;}}
.feature-block h3{font-size:16.5px; margin-bottom:10px;}
.feature-block p{font-size:14px; color:var(--text-on-paper-dim); line-height:1.7; margin-bottom:12px;}
.feature-block ul{margin:0; padding-left:0; list-style:none;}
.feature-block li{font-size:13.5px; color:var(--text-on-paper-dim); line-height:1.8; padding-left:18px; position:relative;}
.feature-block li::before{content:'✓'; position:absolute; left:0; color:var(--tab-accent, var(--signal)); font-weight:700;}

/* ---------- How we operate (numbered steps) ---------- */
.op-step{display:flex; gap:20px; padding:22px 0; border-top:1px solid var(--paper-line);}
.op-step:last-child{border-bottom:1px solid var(--paper-line);}
.op-step .num{font-family:var(--font-mono); font-size:13px; color:var(--tab-accent, var(--signal)); flex-shrink:0; width:28px; padding-top:2px;}
.op-step h4{font-size:15px; margin-bottom:6px;}
.op-step p{font-size:13.5px; color:var(--text-on-paper-dim); line-height:1.7;}

/* ---------- Related modules ---------- */
.related-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
@media (max-width:760px){.related-grid{grid-template-columns:1fr;}}
.related-card{
  background:#fff; border:1px solid var(--paper-line); border-radius:10px; padding:20px; text-decoration:none;
  color:var(--text-on-paper); transition:transform .15s, box-shadow .15s, border-color .15s; display:block;
}
.related-card:hover{transform:translateY(-2px); box-shadow:0 12px 28px rgba(11,18,32,0.08); border-color:var(--signal);}
.related-card .rc-icon{width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; margin-bottom:12px;}
.related-card .rc-icon svg{width:16px; height:16px;}
.related-card h4{font-size:14.5px; margin-bottom:6px;}
.related-card span.desc{font-size:12.5px; color:var(--text-on-paper-dim); line-height:1.5;}
.related-card .rc-link{font-family:var(--font-mono); font-size:11.5px; color:var(--signal); margin-top:10px; display:block;}

/* ---------- FAQ ---------- */
.faq-item{border-top:1px solid var(--paper-line); padding:20px 0;}
.faq-item:last-child{border-bottom:1px solid var(--paper-line);}
.faq-item summary{
  font-family:var(--font-display); font-size:15px; font-weight:500; cursor:pointer; list-style:none;
  display:flex; justify-content:space-between; align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+'; font-family:var(--font-mono); color:var(--signal); font-size:18px;}
.faq-item[open] summary::after{content:'–';}
.faq-item p{color:var(--text-on-paper-dim); font-size:14px; line-height:1.65; margin-top:12px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink); padding:60px 0; text-align:center;}
.cta-band .kicker-sm{color:var(--amber);}
.cta-band h2{color:var(--text-on-ink); font-size:26px; max-width:560px; margin:0 auto 14px;}
.cta-band p{color:var(--text-on-ink-dim); font-size:14.5px; max-width:480px; margin:0 auto 26px;}

/* ---------- Footer ---------- */
footer{background:var(--ink); padding:26px 0; border-top:1px solid rgba(255,255,255,0.08);}
footer .wrap{display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px; align-items:center;}
footer .brand{color:var(--text-on-ink-dim); font-size:14px;}
footer > .wrap > div.footer-desc{color:var(--text-on-ink-dim); font-size:13px; max-width:420px; text-align:center;}
.footer-contact{font-size:13px; color:var(--text-on-ink-dim);}
.footer-contact a{color:var(--text-on-ink-dim); text-decoration:none; border-bottom:1px solid rgba(255,255,255,0.15);}
.footer-contact a:hover{color:var(--text-on-ink); border-color:rgba(255,255,255,0.4);}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0; transform:translateY(10px); transition:opacity .4s ease, transform .4s ease;}
.reveal.in-view{opacity:1; transform:translateY(0);}

/* ---------- Cost calculator (standalone page) ---------- */
.calc-panel{
  display:grid; grid-template-columns:1fr 1fr; gap:0; background:var(--ink); border-radius:16px; overflow:hidden;
  box-shadow:0 24px 60px rgba(11,18,32,0.18);
}
@media (max-width:800px){.calc-panel{grid-template-columns:1fr;}}
.calc-inputs{padding:44px; color:var(--text-on-ink);}
.calc-inputs h3{font-family:var(--font-display); font-size:19px; margin:0 0 6px;}
.calc-inputs > p{color:var(--text-on-ink-dim); font-size:13.5px; margin:0 0 30px; line-height:1.6;}
.calc-field{margin-bottom:28px;}
.calc-field label{display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:12.5px; color:var(--text-on-ink-dim); margin-bottom:10px;}
.calc-field label b{color:var(--text-on-ink); font-size:14px;}
.calc-field input[type=range]{width:100%; accent-color:var(--teal); height:4px;}
.calc-tier-select{display:flex; gap:8px;}
.calc-tier-select button{
  flex:1; font-family:var(--font-mono); font-size:11.5px; padding:10px 6px; border-radius:6px;
  border:1px solid rgba(255,255,255,0.15); background:transparent; color:var(--text-on-ink-dim); cursor:pointer;
  transition:all .15s;
}
.calc-tier-select button.active{background:var(--teal); border-color:var(--teal); color:var(--ink); font-weight:600;}
.calc-output{background:var(--ink-soft); padding:44px; display:flex; flex-direction:column; justify-content:center; gap:24px;}
.calc-output .calc-big{font-family:var(--font-mono); font-size:40px; color:var(--teal); font-weight:600; line-height:1;}
.calc-output .calc-big-label{font-size:12.5px; color:var(--text-on-ink-dim); margin-top:6px;}
.calc-output .calc-row{display:flex; justify-content:space-between; align-items:baseline; border-top:1px solid rgba(255,255,255,0.08); padding-top:16px;}
.calc-output .calc-row .cv{font-family:var(--font-mono); font-size:18px; color:var(--text-on-ink);}
.calc-output .calc-row .cl{font-size:12.5px; color:var(--text-on-ink-dim);}
.calc-currency-note{font-size:12px; color:var(--text-on-paper-dim); margin-top:18px; text-align:center;}