/* ============================================================
   CoinLingo · 币词百科 — Dark "Orbit" theme
   Near-black + vivid orange accent · Clash Display + General Sans
   ============================================================ */

:root{
  --bg:            #07080b;
  --bg-2:          #0b0d12;
  --surface:       #161b24;
  --surface-2:     #1b212c;
  --surface-3:     #222936;
  --border:        rgba(255,255,255,0.12);
  --border-2:      rgba(255,255,255,0.07);
  --text:          #f5f6f8;
  --text-body:     #c5cad3;
  --text-muted:    #8a909c;
  --text-dim:      #646b78;

  --accent:        #f2541b;
  --accent-2:      #ff6a2b;
  --accent-deep:   #d8410f;
  --accent-wash:   rgba(242,84,27,0.16);
  --accent-line:   rgba(242,84,27,0.55);
  --accent-glow:   rgba(255,90,30,0.60);
  --teal-glow:     rgba(28,140,175,0.62);

  --ok:            #16c784;

  --radius-sm:     10px;
  --radius:        16px;
  --radius-lg:     22px;
  --radius-pill:   999px;

  --display: 'Clash Display','General Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --sans:    'General Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:    'JetBrains Mono',ui-monospace,'SFMono-Regular',monospace;

  --max:     1200px;
  --ease:    cubic-bezier(0.22,1,0.36,1);
  --t:       0.25s var(--ease);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; background:var(--bg); }
body{
  font-family:var(--sans);
  background:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px) 0 -1px / 100% 64px,
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px) -1px 0 / 64px 100%;
  color:var(--text-body);
  line-height:1.6;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* Global ambient light field — keeps the dark surface alive on every scroll */
body::before{ content:''; position:fixed; inset:0; z-index:-1; pointer-events:none; background:
  radial-gradient(48% 42% at 80% 0%, rgba(255,92,32,0.30), transparent 56%),
  radial-gradient(56% 50% at 0% 26%, rgba(28,140,175,0.34), transparent 58%),
  radial-gradient(50% 44% at 100% 52%, rgba(255,92,32,0.26), transparent 56%),
  radial-gradient(50% 42% at 0% 80%, rgba(255,92,32,0.22), transparent 56%),
  radial-gradient(75% 55% at 50% 108%, rgba(28,140,175,0.28), transparent 60%); }
/* Page-wide diagonal light streaks (always visible) */
body::after{ content:''; position:fixed; inset:0; z-index:-1; pointer-events:none; background:
  linear-gradient(116deg, transparent 56%, rgba(255,92,32,0.20) 71%, rgba(255,92,32,0.03) 79%, transparent 88%),
  linear-gradient(244deg, transparent 60%, rgba(255,92,32,0.14) 74%, transparent 85%); }
img,svg{ display:block; max-width:100%; }

/* ---------- Decorative shapes (rings / dots / streaks) ---------- */
.deco{ position:relative; overflow:hidden; }
.deco > .container{ position:relative; z-index:2; }
.deco-ring{ position:absolute; border-radius:50%; border:2px solid currentColor; box-shadow:0 0 60px -10px currentColor, inset 0 0 40px -20px currentColor; pointer-events:none; z-index:1; }
.deco-dot{ position:absolute; width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 20px 5px var(--accent-glow); pointer-events:none; z-index:1; }
.deco-streak{ position:absolute; pointer-events:none; z-index:0; background:linear-gradient(90deg, transparent, rgba(255,92,32,0.22), transparent); filter:blur(10px); transform:rotate(-28deg); }
.r-orange{ color:rgba(255,100,42,0.55); }
.r-white{ color:rgba(255,255,255,0.18); }
@media (max-width:680px){ .deco-ring{ opacity:0.5; transform:scale(0.7); } }
a{ color:inherit; text-decoration:none; }
.container{ width:100%; max-width:var(--max); margin:0 auto; padding:0 24px; }
h1,h2,h3,h4{ font-family:var(--display); color:var(--text); font-weight:600; line-height:1.1; letter-spacing:-0.015em; text-wrap:balance; }
.em{ color:var(--accent); }
p{ text-wrap:pretty; }
::selection{ background:var(--accent); color:#fff; }

/* ---------- Buttons ---------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; font-family:var(--sans); font-weight:600; font-size:0.98rem; padding:13px 24px; border-radius:var(--radius-sm); border:1px solid transparent; cursor:pointer; transition:transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t); white-space:nowrap; }
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--accent); color:#fff; box-shadow:0 8px 24px -8px var(--accent-glow); }
.btn-primary:hover{ background:var(--accent-2); box-shadow:0 12px 30px -8px var(--accent-glow); }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--border); }
.btn-ghost:hover{ border-color:rgba(255,255,255,0.28); background:rgba(255,255,255,0.03); }

/* ---------- Nav ---------- */
.nav{ position:sticky; top:0; z-index:50; background:rgba(7,8,11,0.72); backdrop-filter:saturate(140%) blur(12px); border-bottom:1px solid var(--border-2); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.nav-logo{ display:flex; align-items:center; gap:10px; font-family:var(--display); font-weight:600; font-size:1.18rem; color:var(--text); letter-spacing:-0.01em; }
.nav-logo svg{ width:30px; height:30px; }
.nav-mid{ display:flex; align-items:center; gap:34px; }
.nav-mid a{ font-size:0.96rem; color:var(--text-muted); transition:color var(--t); position:relative; padding:6px 0; }
.nav-mid a:hover{ color:var(--text); }
.nav-mid a.active{ color:var(--text); }
.nav-mid a.active::after{ content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--accent); border-radius:2px; }
.nav-burger{ display:none; background:none; border:0; color:var(--text); cursor:pointer; padding:6px; }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; padding:clamp(48px,9vw,104px) 0 0; text-align:center; }
.hero::before{ content:''; position:absolute; inset:0; background:
   radial-gradient(58% 70% at 50% 8%, var(--teal-glow), transparent 68%); pointer-events:none; }
.hero::after{ content:''; position:absolute; inset:0; background:
   linear-gradient(118deg, transparent 56%, rgba(242,84,27,0.28) 75%, rgba(242,84,27,0.05) 82%, transparent 90%),
   linear-gradient(242deg, transparent 56%, rgba(242,84,27,0.22) 76%, rgba(242,84,27,0.04) 84%, transparent 92%);
   pointer-events:none; }
.hero .container{ position:relative; z-index:1; max-width:880px; }
.hero-pill{ display:inline-flex; align-items:center; gap:10px; padding:7px 16px 7px 10px; border:1px solid var(--border); border-radius:var(--radius-pill); background:rgba(255,255,255,0.03); font-size:0.84rem; color:var(--text-muted); margin-bottom:30px; }
.hero-pill .dots{ display:inline-flex; }
.hero-pill .dots span{ width:22px; height:22px; border-radius:50%; border:2px solid var(--bg); margin-left:-8px; background:var(--surface-3); display:inline-block; }
.hero-pill .dots span:first-child{ margin-left:0; }
.hero-pill b{ color:var(--accent); font-weight:600; }
.hero h1{ font-size:clamp(2.6rem,7vw,5rem); font-weight:600; line-height:1.04; margin-bottom:22px; }
.hero-sub{ font-size:clamp(1rem,2vw,1.15rem); color:var(--text-muted); max-width:620px; margin:0 auto 32px; }
.hero-search{ display:flex; align-items:center; gap:10px; max-width:560px; margin:0 auto; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-pill); padding:8px 8px 8px 20px; transition:border-color var(--t); }
.hero-search:focus-within{ border-color:var(--accent-line); }
.hero-search .mag{ color:var(--text-dim); font-family:var(--mono); font-size:0.9rem; }
.hero-search input{ flex:1; min-width:0; background:none; border:0; outline:0; color:var(--text); font-family:var(--sans); font-size:1rem; }
.hero-search input::placeholder{ color:var(--text-dim); }
.hero-search .btn{ padding:11px 22px; }
.hero-note{ margin-top:18px; font-size:0.86rem; color:var(--text-dim); }
.hero-note a{ color:var(--accent); }

/* ---------- Stats band ---------- */
.stats{ position:relative; z-index:1; margin-top:clamp(40px,7vw,72px); border-top:1px solid var(--border-2); border-bottom:1px solid var(--border-2); }
.stats-grid{ display:grid; grid-template-columns:repeat(3,1fr); }
.stat{ padding:30px 24px; text-align:center; }
.stat + .stat{ border-left:1px solid var(--border-2); }
.stat .lbl{ color:var(--accent); font-size:0.92rem; margin-bottom:8px; text-shadow:0 0 16px var(--accent-glow); }
.stat .num{ font-family:var(--display); font-weight:600; font-size:clamp(1.8rem,4vw,2.6rem); color:var(--text); line-height:1; text-shadow:0 0 24px rgba(255,255,255,0.12); }

/* ---------- Section shell ---------- */
.section{ padding:clamp(56px,9vw,104px) 0; position:relative; }
.section-head{ max-width:680px; margin-bottom:clamp(34px,5vw,56px); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(2rem,4.4vw,3.1rem); font-weight:600; margin-bottom:14px; }
.section-head p{ color:var(--text-muted); font-size:1.02rem; }

/* ---------- Bento features ---------- */
.bento{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.feat{ position:relative; background:linear-gradient(155deg, var(--surface-2), var(--surface)); border:1px solid var(--border); border-radius:var(--radius-lg); padding:26px; min-height:200px; display:flex; flex-direction:column; justify-content:space-between; overflow:hidden; transition:border-color var(--t), transform var(--t); }
.feat::after{ content:''; position:absolute; right:-30px; bottom:-30px; width:220px; height:220px; background:radial-gradient(circle, rgba(255,92,32,0.30), rgba(255,92,32,0.06) 45%, transparent 70%); opacity:0.85; transition:opacity var(--t); }
.feat:hover{ border-color:var(--accent-line); transform:translateY(-3px); }
.feat:hover::after{ opacity:1; }
.feat-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:16px; }
.feat-desc{ color:var(--text-muted); font-size:0.92rem; max-width:78%; }
.feat-arrow{ flex-shrink:0; width:40px; height:40px; border-radius:50%; background:var(--accent); color:#fff; display:grid; place-items:center; font-size:1.1rem; transition:transform var(--t); }
.feat:hover .feat-arrow{ transform:rotate(45deg); }
.feat-title{ font-family:var(--display); font-weight:600; font-size:1.5rem; color:var(--text); margin-top:40px; position:relative; z-index:1; }

/* ---------- Registration ---------- */
.reg-wrap{ position:relative; overflow:hidden; }
.reg-wrap::before{ content:''; position:absolute; inset:0; pointer-events:none; background:
  radial-gradient(46% 60% at 22% 4%, var(--teal-glow), transparent 64%),
  radial-gradient(46% 70% at 86% 100%, rgba(255,92,32,0.26), transparent 64%); }
.reg{ position:relative; z-index:1; max-width:760px; margin:0 auto; padding:0 16px; text-align:center; }
.reg-visual{ display:none; }
.reg-eyebrow{ font-family:var(--mono); font-size:0.82rem; color:var(--accent); letter-spacing:0.04em; }
.reg h2{ font-size:clamp(1.7rem,3.6vw,2.5rem); font-weight:600; margin:10px 0 12px; }
.reg-sub{ color:var(--text-muted); margin-bottom:24px; font-size:1rem; }
.reg-sub strong{ color:var(--accent); }
.reg-actions{ display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:center; }
.reg-code{ display:flex; align-items:center; gap:10px; background:rgba(255,255,255,0.04); border:1px solid var(--border); border-radius:var(--radius-sm); padding:7px 7px 7px 16px; }
.reg-code .lab{ font-size:0.8rem; color:var(--text-muted); }
.reg-code code{ font-family:var(--mono); font-weight:700; color:var(--accent); letter-spacing:0.08em; font-size:1.02rem; }
.reg-code button{ border:1px solid var(--border); background:transparent; color:var(--text-body); border-radius:8px; padding:6px 12px; font-family:var(--mono); font-size:0.76rem; cursor:pointer; transition:border-color var(--t),color var(--t); }
.reg-code button:hover{ border-color:var(--accent-line); color:var(--accent); }
.reg-guide{ display:inline-block; margin-top:16px; font-size:0.9rem; color:var(--text-muted); }
.reg-guide:hover{ color:var(--accent); }
.reg-note{ margin-top:14px; font-size:0.74rem; color:var(--text-dim); line-height:1.55; }
/* dashboard illustration */
.dash{ background:#0a0c10; border:1px solid var(--border); border-radius:var(--radius); padding:16px; box-shadow:0 30px 60px -30px rgba(0,0,0,0.8); }
.dash-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.dash-pair{ font-family:var(--mono); font-size:0.8rem; color:var(--text-muted); }
.dash-tag{ font-family:var(--mono); font-size:0.72rem; color:var(--accent); border:1px solid var(--accent-line); border-radius:var(--radius-pill); padding:1px 9px; }
.dash-chart{ width:100%; height:auto; }
.dash-fee{ display:flex; align-items:center; gap:8px; margin:12px 0; padding:9px 12px; background:rgba(255,255,255,0.04); border-radius:8px; flex-wrap:wrap; }
.dash-fee .l{ font-size:0.76rem; color:var(--text-muted); }
.dash-fee .old{ font-family:var(--mono); color:var(--text-dim); text-decoration:line-through; font-size:0.84rem; }
.dash-fee .arr{ color:var(--text-dim); }
.dash-fee .new{ font-family:var(--mono); color:var(--accent); font-weight:700; font-size:0.92rem; }
.dash-fee .badge{ margin-left:auto; font-family:var(--mono); font-size:0.72rem; font-weight:700; color:#fff; background:var(--accent); border-radius:var(--radius-pill); padding:2px 10px; }
.dash-actions{ display:flex; gap:8px; }
.dash-actions span{ flex:1; text-align:center; font-size:0.82rem; font-weight:600; padding:9px 0; border-radius:8px; }
.dash-buy{ background:var(--accent); color:#fff; }
.dash-sell{ background:rgba(255,255,255,0.08); color:var(--text-body); }

/* ---------- FAQ ---------- */
.faq{ max-width:780px; margin:0 auto; }
.faq details{ border-bottom:1px solid var(--border); }
.faq summary{ list-style:none; cursor:pointer; padding:22px 4px; display:flex; align-items:center; justify-content:space-between; gap:16px; font-family:var(--display); font-weight:500; font-size:1.12rem; color:var(--text); }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary .chev{ flex-shrink:0; color:var(--text-muted); transition:transform var(--t); }
.faq details[open] summary .chev{ transform:rotate(180deg); color:var(--accent); }
.faq details > p{ padding:0 4px 22px; color:var(--text-muted); font-size:0.98rem; }

/* ---------- Final CTA ---------- */
.cta-final{ position:relative; overflow:hidden; background:linear-gradient(135deg, #1a0f0a, var(--bg-2)); border:1px solid var(--accent-line); border-radius:var(--radius-lg); padding:clamp(40px,7vw,72px) 24px; text-align:center; }
.cta-final::before{ content:''; position:absolute; inset:0; pointer-events:none; background:
  radial-gradient(70% 130% at 50% -8%, rgba(255,92,32,0.30), transparent 64%),
  linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px) 0 0 / 100% 40px,
  linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px) 0 0 / 40px 100%; }
.cta-final > *{ position:relative; z-index:1; }
.cta-final h2{ font-size:clamp(2rem,5vw,3.2rem); margin-bottom:14px; }
.cta-final p{ color:var(--text-muted); max-width:520px; margin:0 auto 28px; }

/* ---------- Footer ---------- */
.footer{ border-top:1px solid var(--border-2); padding:clamp(48px,7vw,72px) 0 32px; background:var(--bg-2); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; padding-bottom:30px; border-bottom:1px solid var(--border-2); }
.footer-about .nav-logo{ margin-bottom:14px; }
.footer-about p{ color:var(--text-muted); font-size:0.9rem; max-width:300px; }
.footer-col h4{ color:var(--accent); font-family:var(--sans); font-size:0.92rem; font-weight:600; margin-bottom:14px; letter-spacing:0; }
.footer-col a{ display:block; color:var(--text-muted); font-size:0.9rem; padding:5px 0; transition:color var(--t); }
.footer-col a:hover{ color:var(--text); }
.footer-legal{ padding-top:24px; font-size:0.82rem; color:var(--text-dim); display:flex; flex-wrap:wrap; gap:10px 20px; justify-content:space-between; }

/* ---------- Term dictionary grid (homepage) ---------- */
.term-tools{ display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.term-card{ display:block; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:18px 20px; transition:border-color var(--t), transform var(--t); }
.term-card:hover{ border-color:var(--accent-line); transform:translateY(-2px); }
.term-card .tag{ font-family:var(--mono); font-size:0.7rem; color:var(--accent); text-transform:uppercase; letter-spacing:0.06em; }
.term-card .nm{ font-family:var(--display); font-weight:600; font-size:1.12rem; color:var(--text); margin:6px 0 6px; }
.term-card .ds{ color:var(--text-muted); font-size:0.88rem; line-height:1.5; }

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .reg{ grid-template-columns:1fr; }
  .reg-visual{ order:-1; max-width:360px; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:26px; }
}
@media (max-width:760px){
  .nav-mid{ display:none; }
  .nav-inner > .btn, .nav-right > .btn{ display:none; }
  .nav-burger{ display:flex; align-items:center; justify-content:center; flex:0 0 44px; width:44px; height:44px; box-sizing:border-box; }
  .nav-burger svg{ display:block; width:24px; height:24px; flex:0 0 auto; }
  .nav.open .nav-mid{ display:flex; position:absolute; top:72px; left:0; right:0; flex-direction:column; gap:0; background:var(--bg-2); border-bottom:1px solid var(--border); padding:8px 24px 16px; }
  .nav.open .nav-mid a{ padding:12px 0; border-bottom:1px solid var(--border-2); }
  .bento{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns:1fr; }
  .stat + .stat{ border-left:0; border-top:1px solid var(--border-2); }
}
@media (max-width:480px){
  .footer-grid{ grid-template-columns:1fr; }
  .hero-search{ flex-wrap:wrap; border-radius:var(--radius); padding:14px; }
  .hero-search .btn{ width:100%; }
  .reg-actions{ flex-direction:column; align-items:stretch; }
}
@media (prefers-reduced-motion:reduce){ *{ animation:none!important; transition:none!important; scroll-behavior:auto!important; } .fx-dots i{ opacity:.4!important; } }

/* ---------- Consent bar (matches consent.js markup) ---------- */
.cl-consent-bar{ position:fixed; left:0; right:0; bottom:0; z-index:80; background:rgba(11,13,18,0.96); backdrop-filter:blur(10px); border-top:1px solid var(--border); padding:14px 24px; display:flex; flex-wrap:wrap; align-items:center; gap:12px 18px; justify-content:center; font-size:0.86rem; color:var(--text-body); }
.cl-consent-bar p{ margin:0; max-width:720px; }
.cl-consent-bar a{ color:var(--accent); }
.cl-consent-bar .cl-actions{ display:flex; gap:10px; }
.cl-consent-bar button{ min-height:44px; padding:9px 18px; border-radius:var(--radius-sm); font-family:var(--sans); font-weight:600; font-size:0.86rem; cursor:pointer; border:1px solid var(--border); }
.cl-consent-bar .cl-accept{ background:var(--accent); color:#fff; border-color:var(--accent); }
.cl-consent-bar .cl-decline{ background:transparent; color:var(--text-muted); }

/* ============ Inner-page component layer (articles + tools) - Orbit dark ============ */
main.article,.article{ max-width:820px; margin:0 auto; padding:0 24px clamp(48px,8vw,88px); }
.article-header{ position:relative; padding:clamp(40px,7vw,72px) 0 26px; }
.article-header .container{ max-width:820px; }
.breadcrumb{ font-size:.86rem; color:var(--text-muted); margin-bottom:16px; }
.breadcrumb a{ color:var(--text-muted); } .breadcrumb a:hover{ color:var(--accent); }
.article-header h1{ font-family:var(--display); font-weight:600; font-size:clamp(2rem,4.6vw,3rem); color:var(--text); line-height:1.12; }
.article-header h1 small{ display:block; font-size:.5em; color:var(--text-muted); font-weight:500; margin-top:10px; }
.subtitle{ color:var(--text-muted); font-size:1.05rem; margin-top:14px; max-width:62ch; }
.article-meta{ display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:18px; font-size:.86rem; color:var(--text-dim); }
.article-meta .byline a,.byline a{ color:var(--accent); }
.article p,.article li{ color:var(--text-body); line-height:1.75; }
.article h2{ font-family:var(--display); font-weight:600; font-size:clamp(1.5rem,3vw,2rem); color:var(--text); margin:clamp(36px,5vw,52px) 0 16px; }
.article h3{ font-family:var(--display); font-weight:600; font-size:1.25rem; color:var(--text); margin:30px 0 12px; }
.article p{ margin:0 0 18px; } .article ul,.article ol{ margin:0 0 18px; padding-left:1.3em; } .article li{ margin-bottom:8px; }
.article a{ color:var(--accent); text-decoration:underline; text-underline-offset:3px; text-decoration-color:var(--accent-line); }
.article a:hover{ text-decoration-color:var(--accent); }
.article strong{ color:var(--text); font-weight:600; }
.article blockquote{ border-left:3px solid var(--accent-line); margin:0 0 18px; padding:6px 0 6px 18px; color:var(--text-muted); }
.concept-box{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:20px 22px; margin:0 0 26px; color:var(--text-body); }
.concept-box strong,.concept-box b{ color:var(--accent); }
.callout{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:16px 18px; margin:0 0 22px; color:var(--text-body); }
.callout strong{ color:var(--text); }
.callout-info{ background:rgba(40,150,185,.10); border-color:rgba(40,150,185,.30); }
.callout-warning{ background:rgba(255,92,32,.10); border-color:var(--accent-line); }
.callout-success{ background:rgba(22,199,132,.10); border-color:rgba(22,199,132,.30); }
.callout-danger{ background:rgba(234,57,67,.10); border-color:rgba(234,57,67,.32); }
.analogy-box{ background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius); padding:18px 20px; margin:0 0 22px; color:var(--text-body); }
.myth-item,.myth-list{ margin:0 0 14px; }
.myth-item{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.myth-q{ padding:12px 16px; background:rgba(234,57,67,.10); color:#ff8a90; font-weight:600; }
.myth-a{ padding:12px 16px; color:var(--text-body); }
.toc{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:18px 22px; margin:0 0 28px; }
.toc strong{ color:var(--text); } .toc a{ color:var(--text-muted); text-decoration:none; } .toc a:hover{ color:var(--accent); }
.faq-item{ border-bottom:1px solid var(--border); padding:18px 0; }
.faq-item h3{ margin:0 0 8px; font-size:1.08rem; } .faq-item p{ margin:0; color:var(--text-muted); }
.table-wrap{ overflow-x:auto; margin:0 0 24px; border:1px solid var(--border); border-radius:var(--radius); }
.article table,.compare-table{ width:100%; border-collapse:collapse; font-size:.92rem; }
.article th,.compare-table th{ background:var(--surface-2); color:var(--text); text-align:left; padding:12px 14px; border-bottom:1px solid var(--border); }
.article td,.compare-table td{ padding:12px 14px; border-bottom:1px solid var(--border-2); color:var(--text-body); }
.article tr:last-child td{ border-bottom:0; }
.sources{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:16px 20px; margin:26px 0; font-size:.9rem; color:var(--text-body); }
.sources a{ color:var(--accent); }
.trust-note{ font-size:.84rem; color:var(--text-dim); border-top:1px solid var(--border-2); padding-top:18px; margin-top:26px; }
.tool-intro{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:18px 22px; margin:0 0 26px; color:var(--text-body); }
.tool-intro strong,.tool-intro b{ color:var(--accent); }
.calc{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:clamp(18px,3vw,26px); margin:0 0 26px; }
.calc-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:16px; }
.calc-field{ display:flex; flex-direction:column; gap:6px; }
.calc-field label{ font-size:.84rem; color:var(--text-muted); font-weight:500; }
.calc-field .hint{ font-size:.72rem; color:var(--text-dim); }
.calc-field input,.calc-field select{ font-family:var(--mono); font-size:1rem; padding:10px 12px; border:1px solid var(--border); border-radius:var(--radius-sm); background:var(--bg-2); color:var(--text); }
.calc-field input:focus,.calc-field select:focus{ outline:none; border-color:var(--accent-line); }
.calc-seg{ display:inline-flex; border:1px solid var(--border); border-radius:var(--radius-pill); overflow:hidden; }
.calc-seg button{ border:0; background:var(--surface-2); color:var(--text-muted); padding:8px 16px; font-size:.85rem; cursor:pointer; font-family:var(--sans); }
.calc-seg button.active{ background:var(--accent); color:#fff; }
.calc-result{ margin-top:20px; padding:18px 20px; border-radius:var(--radius); background:rgba(255,92,32,.10); border:1px solid var(--accent-line); }
.calc-result.warn{ background:rgba(234,57,67,.10); border-color:rgba(234,57,67,.32); }
.rlabel{ font-size:.82rem; color:var(--text-muted); }
.rbig{ font-family:var(--display); font-size:clamp(1.5rem,5vw,2rem); font-weight:600; color:var(--accent); line-height:1.2; word-break:break-all; }
.calc-result.warn .rbig{ color:#ff6b73; }
.rrow{ display:flex; justify-content:space-between; gap:12px; padding:7px 0; border-top:1px dashed var(--border); font-size:.92rem; color:var(--text-body); }
.rrow:first-of-type{ border-top:0; } .rrow b{ font-family:var(--mono); color:var(--text); }
.calc-note{ font-size:.76rem; color:var(--text-dim); margin-top:12px; line-height:1.55; }
.tool-cta{ display:flex; flex-wrap:wrap; align-items:center; gap:14px; justify-content:space-between; background:linear-gradient(135deg,rgba(255,92,32,.14),rgba(40,150,185,.08)); border:1px solid var(--accent-line); border-radius:var(--radius-lg); padding:18px 22px; margin:28px 0; color:var(--text-body); }
.tool-cta .code{ font-family:var(--mono); font-weight:700; color:var(--accent); letter-spacing:.06em; }
.tool-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(215px,1fr)); gap:14px; }
.tool-card{ display:block; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:16px 18px; text-decoration:none; color:var(--text); transition:border-color .25s,transform .25s; }
.tool-card:hover{ border-color:var(--accent-line); transform:translateY(-2px); }
.tool-card .tc-name{ font-family:var(--display); font-weight:600; margin-bottom:4px; }
.tool-card .tc-desc{ font-size:.82rem; color:var(--text-muted); }

/* ---------- Article/tool end registration CTA ---------- */
.end-cta{ position:relative; overflow:hidden; display:grid; grid-template-columns:1.25fr 0.75fr; gap:22px 32px; align-items:center; background:linear-gradient(150deg, var(--surface-2), var(--bg-2)); border:1px solid var(--accent-line); border-radius:var(--radius-lg); padding:clamp(24px,4vw,40px); }
.end-cta::before{ content:''; position:absolute; inset:0; pointer-events:none; background:radial-gradient(60% 130% at 82% 0%, rgba(255,92,32,0.20), transparent 60%); }
.end-cta > *{ position:relative; z-index:1; }
.end-cta h2{ font-size:clamp(1.45rem,3vw,2.1rem); margin:8px 0 10px; line-height:1.18; }
.end-cta p{ color:var(--text-muted); font-size:.96rem; margin:0; }
.end-cta-action{ display:flex; flex-direction:column; gap:12px; align-items:stretch; }
.end-cta-action .btn{ width:100%; justify-content:center; font-size:1rem; padding:13px 22px; }
.end-cta-action .reg-guide{ margin-top:0; text-align:center; }
.end-code{ font-size:.82rem; color:var(--text-muted); text-align:center; }
.end-code code{ font-family:var(--mono); color:var(--accent); font-weight:700; letter-spacing:.08em; user-select:all; }
@media(max-width:720px){ .end-cta{ grid-template-columns:1fr; gap:18px; } }

/* ---------- Nav right cluster + language dropdown ---------- */
.nav-right{ display:flex; align-items:center; gap:14px; }
.lang-switch{ position:relative; }
.lang-switch>summary{ list-style:none; cursor:pointer; display:flex; align-items:center; gap:5px; font-size:0.92rem; color:var(--text-muted); padding:7px 12px; border:1px solid var(--border); border-radius:var(--radius-sm); white-space:nowrap; transition:border-color var(--t),color var(--t); }
.lang-switch>summary::-webkit-details-marker{ display:none; }
.lang-switch>summary:hover{ color:var(--text); border-color:rgba(255,255,255,0.25); }
.lang-switch[open]>summary{ color:var(--text); border-color:var(--accent-line); }
.lang-menu{ position:absolute; right:0; top:calc(100% + 8px); background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius); padding:6px; min-width:160px; box-shadow:0 20px 50px -20px rgba(0,0,0,0.75); display:flex; flex-direction:column; z-index:60; }
.lang-menu a{ padding:9px 12px; border-radius:var(--radius-sm); color:var(--text-muted); font-size:0.9rem; }
.lang-menu a:hover{ background:rgba(255,255,255,0.05); color:var(--accent); }
@media(max-width:760px){ .lang-switch{ display:none; } }

/* ---------- Animated floating light points (hero) ---------- */
@keyframes fxFloat{ 0%{ transform:translateY(10px); opacity:0; } 16%{ opacity:.85; } 70%{ opacity:.6; } 100%{ transform:translateY(-48px); opacity:0; } }
.fx-dots{ position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:0; }
.fx-dots i{ position:absolute; width:5px; height:5px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px 3px var(--accent-glow); opacity:0; animation:fxFloat linear infinite; }
.fx-dots i.t{ background:#1ec8e0; box-shadow:0 0 10px 3px rgba(28,170,205,0.55); }
.fx-dots i.big{ width:7px; height:7px; }

/* ---------- RTL (Arabic) overrides — active only on dir=rtl pages ---------- */
[dir=rtl] .lang-menu{ right:auto; left:0; }
[dir=rtl] .article ul,[dir=rtl] .article ol,[dir=rtl] .toc ol{ padding-left:0; padding-right:1.3em; }
[dir=rtl] .article blockquote{ border-left:0; border-right:3px solid var(--accent-line); padding-left:0; padding-right:18px; }
[dir=rtl] code,[dir=rtl] .code,[dir=rtl] .cta-code,[dir=rtl] .dash-pair,[dir=rtl] .hero-note code{ direction:ltr; unicode-bidi:isolate; }
[dir=rtl] .calc-field input{ direction:ltr; text-align:left; }
[dir=rtl] .dash-fee-badge{ margin-left:0; margin-right:auto; }
[dir=rtl] .reg-guide,[dir=rtl] .calc-note,[dir=rtl] .sources,[dir=rtl] .trust-note{ text-align:right; }

/* ============================================================
   Premium polish — grain / depth / type refinement
   ============================================================ */
/* Film grain overlay (fixed, non-blocking) */
html::before{ content:''; position:fixed; inset:0; z-index:200; pointer-events:none; opacity:0.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:120px 120px; }
/* Card depth: top hairline highlight + layered tinted shadow + richer hover */
.feat,.term-card,.tool-card{ box-shadow:inset 0 1px 0 rgba(255,255,255,0.05), 0 14px 34px -22px rgba(0,0,0,0.85); }
.feat:hover,.term-card:hover,.tool-card:hover{ box-shadow:inset 0 1px 0 rgba(255,122,60,0.20), 0 20px 44px -22px rgba(0,0,0,0.9), 0 0 26px -6px var(--accent-glow); }
.end-cta{ box-shadow:inset 0 1px 0 rgba(255,122,60,0.14), 0 26px 70px -40px rgba(0,0,0,0.88); }
/* Tighter, more intentional display tracking */
.hero h1{ letter-spacing:-0.035em; }
.reg-title,.section-head h2,.cta-final h2,.feat-title,.dash-fee-new{ letter-spacing:-0.02em; }
/* Dimensional primary button (top-lit gradient + inner highlight) */
.btn-primary{ background:linear-gradient(180deg, var(--accent-2), var(--accent)); box-shadow:inset 0 1px 0 rgba(255,255,255,0.22), 0 10px 26px -10px var(--accent-glow); }
.btn-primary:hover{ background:linear-gradient(180deg, #ff7d45, var(--accent-2)); box-shadow:inset 0 1px 0 rgba(255,255,255,0.30), 0 14px 34px -10px var(--accent-glow); }
/* Accessible, on-brand focus ring */
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }
/* Stats — gradient dividers instead of a flat rule */
.stat + .stat{ border-left:0; position:relative; }
.stat + .stat::before{ content:''; position:absolute; left:0; top:18%; bottom:18%; width:1px; background:linear-gradient(180deg, transparent, var(--border), transparent); }

/* ---------- Grouped article navigation ---------- */
.nav-guides{ position:relative; }
.nav-guides > summary{ min-height:44px; display:flex; align-items:center; gap:6px; color:var(--text-muted); font-size:.96rem; font-weight:600; cursor:pointer; list-style:none; }
.nav-guides > summary::-webkit-details-marker{ display:none; }
.nav-guides[open] > summary,.nav-guides > summary:hover{ color:var(--text); }
.nav-guides > summary span{ color:var(--accent); font-size:.72rem; }
.nav-guides-menu{ position:absolute; top:calc(100% + 12px); left:50%; z-index:70; width:min(660px,calc(100vw - 48px)); padding:16px; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; transform:translateX(-50%); border:1px solid var(--border); border-radius:12px; background:rgba(15,18,19,.98); box-shadow:0 18px 36px rgba(0,0,0,.38); }
.nav-guides-group{ display:grid; align-content:start; gap:2px; }
.nav-guides-group > span{ padding:4px 10px 7px; color:var(--accent-2); font-size:.82rem; font-weight:700; }
.nav-guides-menu a{ min-height:44px; display:flex; align-items:center; padding:8px 10px; border-radius:8px; color:var(--text-body); font-size:.9rem; }
.nav-guides-menu a:hover{ color:var(--text); background:rgba(255,255,255,.055); }
.nav-guides-all{ grid-column:1 / -1; justify-content:center; border-top:1px solid var(--border-2); color:var(--accent-2)!important; }
[dir=rtl] .nav-guides-menu{ text-align:right; }

@media(max-width:760px){
  .nav.open .nav-mid{ max-height:calc(100vh - 70px); overflow-y:auto; }
  .nav-guides{ width:100%; }
  .nav-guides > summary{ min-height:44px; padding:0; border-bottom:1px solid var(--border-2); }
  .nav-guides-menu{ position:static; width:100%; padding:10px 0 6px; grid-template-columns:1fr; gap:8px; transform:none; border:0; border-radius:0; background:transparent; box-shadow:none; }
  .nav-guides-group{ padding:0 4px; }
  .nav-guides-group > span{ padding:6px 8px 4px; }
  .nav-guides-menu a{ padding:8px 12px; }
  .nav-guides-all{ justify-content:flex-start; }

  /* WCAG-sized hit areas for shared mobile navigation and form controls. */
  .nav-logo,.reg-guide,.footer-col a,.cl-consent-bar button,.calc-field input,.calc-field select,.lang-menu a,.breadcrumb a,.toc a,.chips a,.article-meta a{ min-height:44px; }
  .reg-guide,.footer-col a,.breadcrumb a,.toc a,.chips a,.article-meta a{ display:inline-flex; align-items:center; }
  .footer-col a,.toc a{ display:flex; }
}