/* ============================================================
   Northcrypto — shared design system for all subpages
   (kept in sync with the front page in /index.html)
   ============================================================ */
:root{
  --ink:#17233B;
  --navy:#1D3252;
  --navy-hover:#24406A;
  --side-g:linear-gradient(205deg,#16223C 0%,#1B3055 55%,#2A4E86 100%);
  --bg:#F4F6FB;
  --line:#E7ECF4;
  --text:#3F4C63;
  --muted:#8A94A6;
  --link:#3E6DB5;
  --green:#25A76A;
  --red:#E4574F;
  --r:18px;
  --shadow-card:0 2px 6px -1px rgba(23,35,59,.08), 0 1px 2px rgba(23,35,59,.04);
  --shadow-float:0 32px 64px -16px rgba(23,35,59,.28), 0 16px 32px -16px rgba(23,35,59,.18);
  --grad-brand:linear-gradient(100deg,#1D3252 0%,#3E6DB5 60%,#6FA0DC 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
@media (prefers-reduced-motion:no-preference){
  html:focus-within{scroll-behavior:smooth}
}
body{
  font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:rgba(29,50,82,.15)}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none}
img{max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:820px;margin:0 auto;padding:0 24px}
.up{color:var(--green)} .down{color:var(--red)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn .arrow{transition:transform .15s ease;display:inline-block}
.btn:hover .arrow{transform:translateX(3px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(29,50,82,.32);background:var(--navy-hover)}
.btn-outline{background:#fff;color:var(--navy);border:1px solid #DDE4EF}
.btn-outline:hover{border-color:var(--navy);transform:translateY(-1px);box-shadow:0 6px 16px rgba(29,50,82,.10)}
.btn-white{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.28)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-block{width:100%;justify-content:center}

/* ---------- Nav (transparent over dark page-hero, glass on scroll) ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.nav-inner{
  max-width:1120px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:32px;
}
.logo img{height:24px;display:block}
.nav .logo img{filter:brightness(0) invert(1);transition:filter .3s}
.nav-links{display:flex;gap:26px;margin-left:12px}
.nav-links a{font-size:14.5px;font-weight:500;transition:color .15s;color:rgba(255,255,255,.85)}
.nav-links a:hover{color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang{font-size:12.5px;font-weight:600;letter-spacing:.04em;border-radius:999px;padding:5px 11px;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.35);background:transparent}
.signin{font-size:14.5px;font-weight:600;color:#fff}
.nav .btn-navy{background:#fff;color:var(--navy)}
.nav.scrolled{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 1px 12px rgba(23,35,59,.07);
}
.nav.scrolled .logo img{filter:none}
.nav.scrolled .nav-links a{color:var(--text)}
.nav.scrolled .nav-links a:hover{color:var(--ink)}
.nav.scrolled .lang{color:var(--muted);border-color:#DDE4EF;background:#fff}
.nav.scrolled .signin{color:var(--ink)}
.nav.scrolled .btn-navy{background:var(--navy);color:#fff}

/* ---------- Page hero (compact navy band on subpages) ---------- */
.page-hero{
  position:relative;
  background:var(--side-g);
  color:#fff;
  padding:150px 0 78px;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
  overflow:hidden;
  margin-bottom:56px;
}
.page-hero .hb-cross{
  position:absolute;left:0;top:0;width:58%;height:100%;opacity:.5;pointer-events:none;
  background:
    linear-gradient(90deg,transparent calc(20% - 52px),rgba(6,13,30,.5) calc(20% - 16px),rgba(6,13,30,.5) calc(20% + 16px),transparent calc(20% + 52px)),
    linear-gradient(180deg,transparent calc(38% - 52px),rgba(6,13,30,.5) calc(38% - 16px),rgba(6,13,30,.5) calc(38% + 16px),transparent calc(38% + 52px));
  -webkit-mask-image:linear-gradient(135deg,#000 25%,transparent 72%);
  mask-image:linear-gradient(135deg,#000 25%,transparent 72%);
}
.page-hero .glow{position:absolute;border-radius:50%;filter:blur(80px);mix-blend-mode:screen;opacity:.5;pointer-events:none;
  width:44vw;height:44vw;max-width:680px;max-height:680px;
  background:radial-gradient(circle,rgba(74,120,194,.4),transparent 65%);top:-40%;right:-10%;}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;color:rgba(228,236,248,.7);margin-bottom:16px}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.page-hero h1{font-size:clamp(1.9rem,3.8vw,2.7rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;color:#fff}
.page-hero .page-sub{font-size:15.5px;line-height:1.7;color:rgba(228,236,248,.85);max-width:640px;margin-top:14px}
.page-hero .coin-ic{width:52px;height:52px;font-size:22px;margin-bottom:18px;box-shadow:0 10px 28px rgba(0,0,0,.3)}

/* ---------- Sections / headings ---------- */
section{padding:64px 0}
.eyebrow{display:block;font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;color:var(--link)}
h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;letter-spacing:-.015em;line-height:1.2;margin-bottom:16px;color:var(--ink)}
.section-sub{font-size:16px;line-height:1.7;color:var(--text);max-width:620px}
.section-head{margin-bottom:40px}
.section-head.center{text-align:center}
.section-head.center .section-sub{margin:0 auto}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 28px;box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease;
}
a.card:hover,.card.hover:hover{transform:translateY(-4px);box-shadow:0 16px 40px -12px rgba(23,35,59,.14)}
.card h3{font-size:16.5px;font-weight:600;margin-bottom:10px;color:var(--ink)}
.card p{font-size:13.5px;line-height:1.65;color:var(--text)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  background:#EEF2F9;color:var(--navy);
}
.card-icon svg{width:21px;height:21px}
.card .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;font-size:13px;font-weight:600;color:var(--link)}

/* ---------- List rows (announcements, blog) ---------- */
.list-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px 28px;box-shadow:var(--shadow-card);margin-bottom:16px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.list-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(23,35,59,.14)}
.list-card .date{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.list-card h3{font-size:16.5px;font-weight:600;color:var(--ink);margin:6px 0 8px}
.list-card p{font-size:13.5px;line-height:1.65;color:var(--text)}

/* ---------- Article prose ---------- */
.prose{max-width:760px;margin:0 auto;font-size:15.5px;line-height:1.8;color:var(--text)}
.prose h2{margin:44px 0 14px;font-size:1.45rem}
.prose h3{margin:32px 0 10px;font-size:1.1rem;font-weight:600;color:var(--ink)}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:8px}
.prose a{color:var(--link);font-weight:500}
.prose a:hover{text-decoration:underline}
.prose img{border-radius:var(--r);box-shadow:var(--shadow-card);margin:10px 0 24px}
.prose strong{color:var(--ink);font-weight:600}
.prose blockquote{border-left:3px solid var(--link);padding:6px 0 6px 20px;margin:0 0 18px;color:var(--ink);font-weight:500}
.prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:14px}
.prose th{text-align:left;font-weight:600;color:var(--ink);border-bottom:2px solid var(--line);padding:10px 12px}
.prose td{border-bottom:1px solid var(--line);padding:10px 12px}

/* ---------- Blog post ---------- */
.post-meta{display:flex;gap:14px;align-items:center;font-size:13px;font-weight:500;color:rgba(228,236,248,.75);margin-top:14px}
.post-hero-img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--r);box-shadow:var(--shadow-card);margin-bottom:26px}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.post-tags .tag{
  font-size:12px;font-weight:600;color:var(--link);
  background:#EEF2F9;border-radius:999px;padding:5px 12px;transition:background .15s;
}
.post-tags .tag:hover{background:#E1E9F5}
.prose .lead{font-size:17.5px;line-height:1.7;color:var(--ink);font-weight:500;margin-bottom:26px}
.link-back{font-size:14px;font-weight:600;color:var(--link)}
.link-back:hover{text-decoration:underline}

/* ---------- FAQ accordion ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0;margin-bottom:12px;box-shadow:var(--shadow-card);overflow:hidden;
}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:20px;font-weight:500;color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 22px 20px;font-size:14px;line-height:1.75;color:var(--text)}
.faq .faq-body a{color:var(--link);font-weight:500}

/* ---------- Forms ---------- */
.form-card{
  max-width:440px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-card);padding:38px 36px;
}
.form-card h2{text-align:center}
.form-card .form-note{text-align:center;font-size:13.5px;color:var(--text);margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 16px;border-radius:12px;border:1px solid #DDE4EF;
  font-size:14px;font-family:inherit;outline:none;color:var(--ink);
  transition:border-color .15s, box-shadow .15s;background:#fff;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--link);box-shadow:0 0 0 3px rgba(62,109,181,.13)}
.form-alt{text-align:center;font-size:13.5px;color:var(--text);margin-top:20px}
.form-alt a{color:var(--link);font-weight:600}
.form-divider{display:flex;align-items:center;gap:12px;margin:22px 0;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.06em}
.form-divider::before,.form-divider::after{content:'';flex:1;height:1px;background:var(--line)}
.bankid-btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  background:#F6F8FC;border:1px solid var(--line);border-radius:12px;
  padding:13px;font-size:14px;font-weight:600;color:var(--ink);
  transition:border-color .15s, transform .15s;
}
.bankid-btn:hover{border-color:var(--navy);transform:translateY(-1px)}

/* ---------- Market table ---------- */
.market-table{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-card);overflow:hidden;
  padding:10px 26px;
}
.m-row{
  display:grid;grid-template-columns:2.2fr 1.2fr 1.4fr .9fr .9fr;
  align-items:center;gap:16px;padding:13px 0;
  border-bottom:1px solid #F1F4F9;transition:background .12s;
}
.m-row:last-child{border-bottom:none}
.m-row:not(.m-head):hover{background:#FAFBFD}
.m-head{font-size:12.5px;font-weight:500;color:var(--muted);border-bottom:1px solid var(--line)}
.m-head span::after{content:' ⇅';font-size:9px;color:#C2CAD6}
.m-head span:last-child::after{content:''}
.m-coin{display:flex;align-items:center;gap:13px}
.m-name{font-weight:600;font-size:14px;color:var(--ink)}
.m-tick{font-size:12px;color:var(--muted)}
.m-price{font-weight:500;font-size:14px;font-variant-numeric:tabular-nums;color:var(--ink)}
.m-spark svg{display:block}
.pct{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.m-buy{justify-self:end}
.m-buy .btn{padding:8px 20px;font-size:12.5px}

/* ---------- Coin icons ---------- */
.coin-ic{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  color:#fff;font-weight:700;font-size:14px;flex-shrink:0;
  overflow:hidden;
}
.coin-ic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:50%;background:#fff}

/* ---------- Ticker ---------- */
.ticker-wrap{background:#fff;border-bottom:1px solid var(--line);overflow:hidden;padding:16px 0;position:relative}
.ticker{display:flex;gap:44px;width:max-content;animation:ticker 45s linear infinite}
.ticker-wrap:hover .ticker{animation-play-state:paused}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.tick-item{display:flex;align-items:center;gap:9px;font-size:13px;white-space:nowrap}
.tick-item .coin-ic{width:22px;height:22px;font-size:10px}
.tick-sym{font-weight:600;color:var(--ink)}
.tick-price{color:var(--text)}
.tick-pct{font-weight:600;font-size:12.5px}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  background:#141F35;color:#fff;
  padding:96px 0;margin-top:40px;
}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.cta-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,31,53,.55),rgba(20,31,53,.82))}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(233,240,250,.85);font-size:16px;margin-bottom:34px}
.cta-band .container{position:relative;z-index:2}

/* ---------- Footer ---------- */
footer{background:#fff;border-top:1px solid var(--line);padding:70px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;margin-bottom:54px}
.foot-brand .logo{display:inline-block;margin-bottom:16px}
.foot-brand p{font-size:13px;line-height:1.7;color:var(--text);max-width:280px}
.news-form{display:flex;gap:8px;margin-top:20px;max-width:310px}
.news-form input{
  flex:1;min-width:0;padding:10px 15px;border-radius:999px;
  border:1px solid #DDE4EF;font-size:13px;font-family:inherit;outline:none;
  transition:border-color .15s, box-shadow .15s;
}
.news-form input:focus{border-color:var(--link);box-shadow:0 0 0 3px rgba(62,109,181,.13)}
.foot-col h4{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.foot-col ul{display:flex;flex-direction:column;gap:12px}
.foot-col a{font-size:13.5px;color:var(--text);transition:color .15s}
.foot-col a:hover{color:var(--ink)}
.foot-legal{
  border-top:1px solid var(--line);padding-top:28px;
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);line-height:1.65;
}
.foot-legal .reg{max-width:640px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease;transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .card-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links,.lang,.signin{display:none}
  .nav-inner{height:60px}
  section{padding:48px 0}
  .page-hero{padding:120px 0 60px;clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),0 100%)}
  .card-grid,.card-grid.cols-2{grid-template-columns:1fr}
  .m-row{grid-template-columns:2fr 1.2fr .9fr;gap:10px}
  .market-table{padding:6px 16px}
  .m-spark,.m-buy,.m-head span:nth-child(3),.m-head span:nth-child(5){display:none}
  .foot-grid{grid-template-columns:1fr}
  .form-card{padding:30px 22px}
}