*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#0052FF;--blue-dk:#0040CC;--blue-lt:#EFF3FF;
  --green:#05B169;--red:#CF304A;
  --text:#050F19;--text-sec:#5B616E;--text-muted:#8A919E;
  --border:#DCDFE4;--bg:#F5F7FA;--bg-card:#fff;
  --nav-h:68px;--radius:8px;
  --max-w:1200px;
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:CoinbaseSans,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Fira Sans','Droid Sans','Helvetica Neue',sans-serif;color:var(--text);background:#fff;font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
a{color:var(--blue);text-decoration:none;transition:color .15s}
a:hover{color:var(--blue-dk);text-decoration:underline}
img{max-width:100%;height:auto;display:block}

/* ═══ NAV ═══ */
.nav{position:sticky;top:0;z-index:200;background:#fff;border-bottom:1.5px solid var(--border);height:var(--nav-h)}
.nav-in{max-width:var(--max-w);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;gap:0}
.nav-logo{display:flex;align-items:center;gap:10px;margin-right:36px;flex-shrink:0;text-decoration:none;font-weight:800;font-size:19px;color:var(--text)}
.nav-logo:hover{text-decoration:none;color:var(--text)}
.nav-logo-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.nav-logo-icon img{width:32px;height:32px;display:block}
.nav-logo-icon svg{width:32px;height:32px}
.nav-menu{display:flex;align-items:center;gap:0;list-style:none;flex:1}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:flex;align-items:center;gap:5px;padding:8px 18px;border-radius:0;font-size:16px;font-weight:700;color:var(--text);text-decoration:none;transition:color .15s;white-space:nowrap;cursor:pointer;user-select:none}
.nav-menu>li>a:hover,.nav-menu>li.open>a{color:var(--blue);background:transparent;text-decoration:none}
.nav-menu>li.active>a{color:var(--blue);font-weight:700}
.chevron{font-size:9px;transition:transform .2s;opacity:.4}
.nav-menu>li.open .chevron{transform:rotate(180deg)}

/* Dropdown */
.dropdown{display:none;position:absolute;top:calc(100% + 6px);left:-10px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 16px 40px rgba(0,0,0,.12);padding:10px;min-width:240px;z-index:300}
.nav-menu>li.open .dropdown{display:block;animation:ddFade .15s ease}
@keyframes ddFade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.dd-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;text-decoration:none;transition:background .12s;color:var(--text)}
.dd-item:hover{background:var(--blue-lt);text-decoration:none;color:var(--blue)}
.dd-icon{width:36px;height:36px;border-radius:8px;background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dd-icon svg{width:18px;height:18px;stroke:var(--text-sec);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.dd-item:hover .dd-icon{background:var(--blue-lt);border-color:#b3ccff}
.dd-item:hover .dd-icon svg{stroke:var(--blue)}
.dd-label{font-size:13.5px;font-weight:500;flex:1}
.dd-sep{height:1px;background:var(--border);margin:6px 4px}

/* Nav right */
.nav-right{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}
.btn-login{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;color:var(--text);border:1.5px solid var(--border);background:#fff;cursor:pointer;text-decoration:none;transition:all .15s;line-height:1}
.btn-login:hover{border-color:#0052FF;color:var(--blue);text-decoration:none;background:var(--blue-lt)}
.btn-signup{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;color:#fff;background:var(--blue);border:1.5px solid var(--blue);cursor:pointer;text-decoration:none;transition:background .15s;line-height:1}
.btn-signup:hover{background:var(--blue-dk);border-color:var(--blue-dk);text-decoration:none;color:#fff}

/* Mobile burger */
.nav-mob{display:none;flex-direction:column;background:none;border:none;border-radius:8px;padding:10px;cursor:pointer;color:var(--text);margin-left:auto;flex-shrink:0;width:44px;height:44px;align-items:center;justify-content:center;gap:5px;-webkit-tap-highlight-color:transparent}
.nav-mob:hover{background:var(--bg)}
.bur-line{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .2s}
.nav-mob.open .bur-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-mob.open .bur-line:nth-child(2){opacity:0}
.nav-mob.open .bur-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mob-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:opacity .25s;z-index:199}

/* ═══ BREADCRUMB ═══ */
.bc-wrap{background:var(--bg);border-bottom:1px solid var(--border)}
.bc{max-width:var(--max-w);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
.bc a{color:var(--text-muted);text-decoration:none;transition:color .15s}
.bc a:hover{color:var(--blue);text-decoration:none}
.bc-sep{color:#c4c9d4;font-size:11px}
.bc-cur{color:var(--text-sec);font-weight:500}

/* ═══ HERO (hub page) ═══ */
.hero{background:linear-gradient(130deg,#001A6E 0%,#0031A3 40%,#0052FF 100%);overflow:hidden}
.hero-in{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;min-height:480px;align-items:center}
.hero-content{padding:72px 40px 72px 24px;z-index:1}
.hero-visual{height:100%;display:flex;align-items:flex-end;justify-content:flex-end;overflow:hidden;min-height:480px}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block}
.hero-visual-fallback{align-items:center;justify-content:center;background:rgba(255,255,255,.06);position:relative}
.hero-visual-fallback::before{content:'';position:absolute;width:260px;height:380px;background:rgba(255,255,255,.07);border-radius:32px;border:2px solid rgba(255,255,255,.15)}
.hero-visual-fallback::after{content:'';position:absolute;width:90px;height:90px;background:rgba(255,255,255,.12);border-radius:50%;border:3px solid rgba(255,255,255,.25)}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:5px 14px;font-size:13px;font-weight:600;margin-bottom:22px;letter-spacing:.3px}
.hero h1{font-size:clamp(28px,3.8vw,48px);font-weight:800;color:#fff;line-height:1.15;margin-bottom:16px;letter-spacing:-0.5px}
.hero p{font-size:17px;color:rgba(255,255,255,.85);line-height:1.65;margin-bottom:32px;max-width:460px}
.hero-btns{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
/* Text-only hero (no image) - single column centered */
.hero.hero-simple .hero-in{grid-template-columns:1fr;min-height:auto;max-width:680px;padding:64px 24px 72px;text-align:center}
.hero.hero-simple .hero-content{padding:0}
.hero.hero-simple .hero-tag{margin-left:auto;margin-right:auto}
.hero.hero-simple .hero p,.hero.hero-simple p{margin-left:auto;margin-right:auto;max-width:560px}
.hero.hero-simple .hero-btns{justify-content:center}
.btn-hero-wh{padding:13px 28px;border-radius:8px;font-size:15px;font-weight:700;color:var(--blue);background:#fff;text-decoration:none;transition:all .15s}
.btn-hero-wh:hover{background:#f0f4ff;text-decoration:none;color:var(--blue-dk)}
.btn-hero-out{padding:13px 28px;border-radius:8px;font-size:15px;font-weight:700;color:#fff;background:transparent;border:2px solid rgba(255,255,255,.5);text-decoration:none;transition:all .15s}
.btn-hero-out:hover{border-color:#fff;background:rgba(255,255,255,.1);text-decoration:none;color:#fff}

/* ═══ RISK BANNER (Coinbase light style) ═══ */
.risk-banner{background:#EEF1FB;color:#050F19;text-align:center;padding:11px 24px;font-size:12px;line-height:1.55;font-weight:500}
.risk-banner a{color:#050F19;text-decoration:underline;font-weight:600}
.risk-banner a:hover{color:var(--blue)}

/* ═══ COINBASE ARTICLE LAYOUT ═══ */
.cb-wrap{max-width:980px;margin:0 auto;padding:32px 24px 80px}
.cb-bc{font-size:14px;color:var(--text-muted);display:flex;align-items:center;gap:6px;margin-bottom:20px;flex-wrap:wrap}
.cb-bc a{color:var(--blue);text-decoration:none;font-weight:500;transition:color .15s}
.cb-bc a:hover{color:var(--blue-dk);text-decoration:underline}
.cb-bc-sep{color:#8A919E;font-size:13px}
.cb-title{font-size:clamp(28px,4vw,44px);font-weight:800;color:var(--text);line-height:1.15;margin-bottom:28px;letter-spacing:-0.5px}
.cb-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.cb-main{min-width:0}
.cb-hero-img{width:100%;border-radius:10px;display:block;margin-bottom:40px;max-height:400px;object-fit:cover}
.cb-hero-img-wrap{margin-bottom:40px;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,#0031A3,#0052FF);min-height:300px;display:flex;align-items:center;justify-content:center}

/* share buttons */
.cb-sidebar{min-width:0}
.cb-share{display:flex;gap:8px;margin-bottom:20px}
.cb-share-btn{width:40px;height:40px;border:1.5px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;background:#fff;transition:border-color .15s,color .15s;text-decoration:none;color:var(--text-sec);flex-shrink:0}
.cb-share-btn:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.cb-share-btn svg{width:17px;height:17px;fill:currentColor}

/* create account card */
.cb-account-card{background:#f7f8fa;border:1px solid var(--border);border-radius:12px;padding:22px}
.cb-account-card h3{font-size:17px;font-weight:800;color:var(--text);margin-bottom:8px}
.cb-account-card p{font-size:13.5px;color:var(--text-sec);margin-bottom:18px;line-height:1.55}
.cb-account-btn{display:flex;align-items:center;justify-content:space-between;background:var(--blue);color:#fff;text-decoration:none;padding:11px 18px;border-radius:30px;font-size:15px;font-weight:700;transition:background .15s}
.cb-account-btn:hover{background:var(--blue-dk);text-decoration:none;color:#fff}
.cb-account-btn .arrow-circle{width:24px;height:24px;background:rgba(255,255,255,.22);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-left:10px}
.cb-account-btn .arrow-circle svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* CB Definition box (1:1 Coinbase) */
.cb-wrap .art-def-box{background:#F7F8FA;border-left:none;border-radius:10px;padding:24px 26px;margin-bottom:30px}
.cb-wrap .art-def-lbl{font-size:16px;font-weight:800;text-transform:none;letter-spacing:0;color:var(--text);margin-bottom:14px}
.cb-wrap .art-def-box p{color:var(--text);font-size:15.5px;line-height:1.65;margin:0}

/* TOC / related in sidebar */
.cb-sb-box{margin-top:20px;padding:18px;border:1px solid var(--border);border-radius:10px;background:#fff}
.cb-sb-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:10px}
.cb-sb-links{list-style:none;padding:0;margin:0}
.cb-sb-links li{border-bottom:1px solid #f3f4f6}
.cb-sb-links li:last-child{border-bottom:none}
.cb-sb-links a{display:block;padding:8px 0;font-size:13.5px;color:var(--text-sec);text-decoration:none;transition:color .15s;line-height:1.4}
.cb-sb-links a:hover{color:var(--blue);text-decoration:none}
.cb-sb-links a.active{color:var(--blue);font-weight:600}

/* ═══ ARTICLE HERO (legacy, kept for other pages) ═══ */
.art-hero{padding:40px 0 0;background:#fff}
.art-hero-in{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.art-category{display:inline-flex;align-items:center;gap:6px;background:var(--blue-lt);color:var(--blue);border-radius:6px;padding:4px 12px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}
.art-h1{font-size:clamp(28px,4vw,44px);font-weight:800;color:var(--text);line-height:1.15;margin-bottom:12px;letter-spacing:-0.3px;max-width:720px}
.art-meta{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:14px;padding-bottom:28px;flex-wrap:wrap}
.art-meta-item{display:flex;align-items:center;gap:5px}
.art-meta svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.art-meta-sep{width:4px;height:4px;border-radius:50%;background:var(--border)}

/* ═══ ARTICLE LAYOUT ═══ */
.art-wrap{max-width:var(--max-w);margin:0 auto;padding:36px 24px 80px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.art-body{min-width:0}

/* ── Article content ── */
.art-def-box{background:var(--blue-lt);border-left:4px solid var(--blue);border-radius:0 8px 8px 0;padding:16px 20px;margin-bottom:32px}
.art-def-lbl{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--blue);margin-bottom:6px}
.art-def-box p{font-size:15px;color:var(--text-sec);margin:0;line-height:1.7}

.art-section{margin-bottom:44px}
.art-section h2{font-size:24px;font-weight:800;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border);scroll-margin-top:calc(var(--nav-h) + 20px);line-height:1.3}
.art-section h3{font-size:18px;font-weight:700;color:var(--text);margin:22px 0 10px;line-height:1.35}
.art-section p{color:var(--text-sec);font-size:15.5px;line-height:1.8;margin-bottom:16px}
.art-section ul,.art-section ol{color:var(--text-sec);font-size:15.5px;line-height:1.8;padding-left:24px;margin-bottom:16px}
.art-section li{margin-bottom:10px}
.art-section strong{color:var(--text);font-weight:600}
.art-section a{color:var(--blue);font-weight:500}
.art-section a:hover{color:var(--blue-dk)}

/* wallet type cards */
.wallet-types{display:grid;grid-template-columns:1fr;gap:14px;margin:20px 0}
.wt-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;transition:border-color .15s,box-shadow .15s}
.wt-card:hover{border-color:#b3ccff;box-shadow:0 4px 16px rgba(0,82,255,.06)}
.wt-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.wt-icon svg{width:22px;height:22px;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wt-icon.paper{background:#fff8e6;color:#D97706}
.wt-icon.paper svg{stroke:#D97706;fill:none}
.wt-icon.hardware{background:#eefbee;color:#16a34a}
.wt-icon.hardware svg{stroke:#16a34a;fill:none}
.wt-icon.online{background:var(--blue-lt);color:var(--blue)}
.wt-icon.online svg{stroke:var(--blue);fill:none}
.wt-name{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}
.wt-desc{font-size:14px;color:var(--text-sec);line-height:1.7;margin:0}

/* compare list */
.compare-list{list-style:none;padding:0;margin:0 0 20px}
.compare-list li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid #f3f4f6;font-size:15px;color:var(--text-sec);line-height:1.6}
.compare-list li:last-child{border-bottom:none}
.compare-list li::before{content:'✓';color:var(--green);font-weight:700;font-size:14px;flex-shrink:0;margin-top:2px}

/* info boxes */
.ibox{border-radius:10px;padding:16px 20px;margin:20px 0}
.ibox.info{background:var(--blue-lt);border:1px solid #b3ccff;border-left:4px solid var(--blue)}
.ibox.tip{background:#eefbee;border:1px solid #a7f3d0;border-left:4px solid var(--green)}
.ibox.warn{background:#fffbeb;border:1px solid #fde68a;border-left:4px solid #D97706}
.ibox-t{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-bottom:6px}
.ibox.info .ibox-t{color:var(--blue)}
.ibox.tip .ibox-t{color:#059669}
.ibox.warn .ibox-t{color:#b45309}
.ibox p{font-size:14px;color:var(--text-sec);margin:0;line-height:1.7}

/* CTA inline */
.art-cta{background:linear-gradient(135deg,#0031A3,#0052FF);border-radius:14px;padding:32px 28px;text-align:center;margin:32px 0;color:#fff}
.art-cta h3{font-size:22px;font-weight:800;margin-bottom:8px}
.art-cta p{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:20px}
.art-cta a{display:inline-block;padding:12px 28px;background:#fff;color:var(--blue);border-radius:8px;font-size:15px;font-weight:700;text-decoration:none;transition:background .15s}
.art-cta a:hover{background:#f0f4ff;color:var(--blue-dk);text-decoration:none}

/* ═══ SIDEBAR ═══ */
.art-sidebar{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:16px}
.sb-box{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;overflow:hidden}
.sb-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:14px}
.sb-cta{background:linear-gradient(135deg,#0031A3,#0052FF);color:#fff;text-align:center}
.sb-cta .sb-title{color:rgba(255,255,255,.7)}
.sb-cta h3{font-size:18px;font-weight:800;margin-bottom:6px}
.sb-cta p{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:16px;line-height:1.6}
.sb-cta-btn{display:block;background:#fff;color:var(--blue);border-radius:8px;padding:11px 16px;font-size:14px;font-weight:700;text-decoration:none;transition:background .15s}
.sb-cta-btn:hover{background:#f0f4ff;text-decoration:none;color:var(--blue-dk)}
.sb-note{font-size:11px;color:rgba(255,255,255,.5);margin-top:8px}

/* Sidebar links */
.sb-links{list-style:none;display:flex;flex-direction:column;gap:0}
.sb-links li a{display:block;padding:9px 0;font-size:13.5px;color:var(--text-sec);text-decoration:none;border-bottom:1px solid #f3f4f6;transition:color .15s;line-height:1.5}
.sb-links li:last-child a{border-bottom:none}
.sb-links li a:hover{color:var(--blue);text-decoration:none}

/* Popular crypto table */
.crypto-table{width:100%;border-collapse:collapse}
.crypto-table tr{border-bottom:1px solid #f3f4f6}
.crypto-table tr:last-child{border-bottom:none}
.crypto-table td{padding:9px 0;font-size:13px;vertical-align:middle}
.crypto-name{display:flex;align-items:center;gap:8px}
.crypto-icon{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:block}
img.crypto-icon{object-fit:contain}
.crypto-sym{font-weight:600;color:var(--text);font-size:13px}
.crypto-price{text-align:right;color:var(--text-sec);font-size:13px}
.crypto-chg{text-align:right;font-size:12px;font-weight:600}
.chg-up{color:var(--green)}
.chg-dn{color:var(--red)}

/* ═══ ADDITIONAL RESOURCES ═══ */
.add-res{background:var(--bg);padding:48px 0}
.add-res-in{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.sec-hdr{margin-bottom:28px}
.sec-hdr h2{font-size:26px;font-weight:800;color:var(--text);margin-bottom:6px}
.sec-hdr p{font-size:15px;color:var(--text-sec)}
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.res-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;text-decoration:none;display:block;transition:border-color .15s,box-shadow .15s}
.res-card:hover{border-color:#b3ccff;box-shadow:0 4px 16px rgba(0,82,255,.08);text-decoration:none}
.res-tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--blue);background:var(--blue-lt);border-radius:4px;padding:3px 8px;margin-bottom:10px}
.res-card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:5px;line-height:1.4}
.res-card p{font-size:13px;color:var(--text-muted);line-height:1.5;margin:0}
.res-card .res-arr{margin-top:14px;font-size:13px;color:var(--blue);font-weight:600;display:flex;align-items:center;gap:4px}

/* ═══ POPULAR CRYPTOS SECTION ═══ */
.pop-crypto{padding:48px 0;background:#fff;border-top:1px solid var(--border)}
.pop-crypto-in{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.pop-crypto-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:24px}
.pop-c-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;text-decoration:none;display:flex;align-items:center;gap:12px;transition:border-color .15s,box-shadow .15s}
.pop-c-card:hover{border-color:#b3ccff;box-shadow:0 3px 12px rgba(0,82,255,.07);text-decoration:none}
.pop-c-icon{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:block}
img.pop-c-icon{object-fit:contain}
.pop-c-name{font-size:13px;font-weight:700;color:var(--text)}
.pop-c-sym{font-size:12px;color:var(--text-muted)}

/* ═══ BUY BITCOIN CTA ═══ */
.buy-cta{padding:64px 24px;text-align:center;background:linear-gradient(135deg,#0031A3 0%,#0052FF 100%);color:#fff}
.buy-cta-in{max-width:560px;margin:0 auto}
.buy-cta h2{font-size:clamp(24px,4vw,38px);font-weight:800;margin-bottom:12px;letter-spacing:-0.3px;color:#fff}
.buy-cta p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px;line-height:1.6}
.buy-cta-btns{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.btn-wh-lg{padding:13px 28px;border-radius:8px;font-size:15px;font-weight:700;color:var(--blue);background:#fff;text-decoration:none;transition:background .15s}
.btn-wh-lg:hover{background:#eef3ff;text-decoration:none;color:var(--blue-dk)}

/* ═══ HUB: CATEGORY CARDS ═══ */
.hub-cats{padding:56px 0;background:#fff}
.hub-cats-in{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:28px}
.cat-card{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:24px;text-decoration:none;display:block;transition:all .15s}
.cat-card:hover{border-color:#b3ccff;box-shadow:0 6px 24px rgba(0,82,255,.09);transform:translateY(-2px);text-decoration:none}
.cat-icon{width:48px;height:48px;border-radius:12px;background:var(--blue-lt);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.cat-icon svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cat-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.cat-card p{font-size:13.5px;color:var(--text-muted);line-height:1.5;margin:0}
.cat-card .cat-cnt{margin-top:12px;font-size:12px;color:var(--blue);font-weight:600}

/* ═══ HUB: ARTICLE CARDS ═══ */
.hub-articles{padding:0 0 64px;background:var(--bg)}
.hub-art-in{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.art-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}
.art-card:hover{border-color:#b3ccff;box-shadow:0 6px 20px rgba(0,82,255,.08);text-decoration:none}
.art-card-body{padding:22px 22px 18px;flex:1}
.art-card-tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--blue);background:var(--blue-lt);border-radius:4px;padding:3px 8px;margin-bottom:12px}
.art-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.4}
.art-card p{font-size:13.5px;color:var(--text-muted);line-height:1.55;margin:0}
.art-card-foot{padding:12px 22px;border-top:1px solid #f3f4f6;display:flex;align-items:center;justify-content:space-between}
.art-card-time{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:4px}
.art-card-arr{color:var(--blue);font-size:14px;font-weight:600}

/* ═══ FEATURED ARTICLE ═══ */
.art-featured{background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin-bottom:16px;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.art-featured:hover{border-color:#b3ccff;box-shadow:0 8px 28px rgba(0,82,255,.09);text-decoration:none}
.art-featured-img{border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#0031A3,#0052FF);min-height:220px;display:flex;align-items:center;justify-content:center}
.art-featured-img svg{width:80px;height:80px;stroke:#fff;fill:none;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;opacity:.7}
.art-featured h2{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;line-height:1.3}
.art-featured p{font-size:14.5px;color:var(--text-sec);margin-bottom:16px;line-height:1.65}
.art-featured .art-featured-cta{color:var(--blue);font-weight:700;font-size:14px;display:flex;align-items:center;gap:5px}

/* ═══ FOOTER ═══ */
footer{background:#050F19;color:#8A919E;margin-top:0}
.foot-in{max-width:var(--max-w);margin:0 auto;padding:64px 24px 32px;position:relative}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.foot-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;text-decoration:none}
.foot-logo:hover{text-decoration:none}
.foot-logo-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center}
.foot-logo-icon img{width:28px;height:28px;display:block;filter:brightness(0) invert(1)}
.foot-logo-icon svg{width:28px;height:28px}
.foot-logo-name{font-size:18px;font-weight:800;color:#fff}
.foot-tagline{font-size:14px;color:#5B616E;line-height:1.7;margin-bottom:24px;max-width:280px}
.foot-company{margin-bottom:24px;font-size:13px;line-height:1.65;color:#5B616E;max-width:280px}
.foot-company p{margin:0 0 10px}
.foot-company p:last-child{margin-bottom:0}
.foot-company-name{color:#fff;font-weight:600}
.foot-company-contact a{color:#5B616E;text-decoration:none;transition:color .15s}
.foot-company-contact a:hover{color:#fff;text-decoration:underline}
.foot-social{display:flex;gap:8px}
.foot-social a{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#8A919E;text-decoration:none;transition:all .2s}
.foot-social a:hover{background:rgba(0,82,255,.2);border-color:rgba(0,82,255,.4);color:var(--blue);transform:translateY(-2px);text-decoration:none}
.foot-social svg{width:16px;height:16px;fill:currentColor}
.foot-col h4{color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:20px}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-col ul a{color:#5B616E;font-size:14px;text-decoration:none;transition:color .15s}
.foot-col ul a:hover{color:#fff;text-decoration:none}
.foot-btm{border-top:1px solid rgba(255,255,255,.07);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.foot-btm p{font-size:13px;color:#3C4148;margin:0}
.foot-btm-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-btm-links a{font-size:13px;color:#3C4148;text-decoration:none;transition:color .15s}
.foot-btm-links a:hover{color:#8A919E;text-decoration:none}

/* ═══ RESPONSIVE ═══ */

/* Universal: prevent horizontal overflow, safe word-break */
.cb-main,.art-body,.art-section,.cb-wrap{min-width:0}
.cb-main p,.art-body p,.cb-main li,.art-body li{overflow-wrap:break-word;word-wrap:break-word}
.cb-main code,.art-body code,.cb-main a,.art-body a{word-break:break-word}
.crypto-table{table-layout:fixed;width:100%}

@media(max-width:1024px){
  .art-wrap{grid-template-columns:minmax(0,1fr) 260px;gap:32px}
  .cb-layout{grid-template-columns:1fr 260px;gap:36px}
  .foot-top{grid-template-columns:1fr 1fr 1fr;gap:32px}
}

@media(max-width:900px){
  .art-wrap{grid-template-columns:1fr}
  .art-sidebar{display:none}
  .art-featured{grid-template-columns:1fr}
  .art-featured-img{min-height:160px}
}

@media(max-width:768px){
  /* nav -> mobile burger */
  .nav-menu{display:none}
  .nav-mob{display:flex}
  .nav-mob-overlay{display:block}
  .nav-mob-overlay.open{opacity:1;pointer-events:all}
  .nav-menu.mob-open{
    display:flex;flex-direction:column;position:fixed;
    top:var(--nav-h);left:0;right:0;
    background:#fff;padding:10px 0 16px;
    border-bottom:1px solid var(--border);
    box-shadow:0 8px 32px rgba(0,0,0,.12);
    gap:0;z-index:300;max-height:calc(100vh - var(--nav-h));overflow-y:auto;
    animation:menuDrop .22s ease
  }
  @keyframes menuDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
  .nav-menu.mob-open>li>a{padding:13px 20px;font-size:15px;border-radius:0;border-bottom:1px solid #f3f4f6}
  .nav-menu.mob-open>li:last-child>a{border-bottom:none}
  .nav-menu.mob-open .dropdown{position:static;box-shadow:none;border:none;border-radius:0;padding:4px 0 4px 12px;background:#fafbfd}
  .nav-menu.mob-open li.open .dropdown{display:block}

  /* risk banner — компактнее */
  .risk-banner{padding:8px 14px;font-size:11px;line-height:1.45}

  /* hero hub */
  .hero-in{grid-template-columns:1fr;min-height:auto}
  .hero-content{padding:52px 20px 32px;text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .hero-visual{min-height:240px;max-height:280px}

  /* article hero (legacy) */
  .art-hero-in{padding:0 16px}
  .art-h1{font-size:26px}
  .art-wrap{padding:24px 16px 56px}

  /* Coinbase article layout — стек, sidebar внизу */
  .cb-layout{grid-template-columns:1fr;gap:32px}
  .cb-wrap{padding:24px 16px 48px}
  .cb-title{font-size:28px;margin-bottom:18px;letter-spacing:-0.3px}
  .cb-bc{font-size:13px;margin-bottom:14px}
  .cb-hero-img{margin-bottom:24px;border-radius:8px;max-height:none}
  .cb-sidebar{display:block}
  .cb-sb-box{margin-top:14px;padding:16px}

  /* article content scale */
  .art-section{margin-bottom:24px}
  .art-section h2{font-size:21px;margin-top:28px;margin-bottom:10px;line-height:1.3}
  .art-section h3{font-size:17px;margin-top:18px;margin-bottom:8px}
  .art-section p,.art-section li{font-size:15px;line-height:1.7}
  .art-section ul,.art-section ol{padding-left:20px}

  /* def box — меньше отступы */
  .cb-wrap .art-def-box{padding:18px;border-radius:8px}
  .cb-wrap .art-def-lbl{font-size:15px}
  .cb-wrap .art-def-box p{font-size:14.5px;line-height:1.6}

  /* info boxes */
  .ibox{padding:14px 16px;margin:18px 0;font-size:14px}
  .ibox-t{font-size:13px;margin-bottom:5px}

  /* wallet types — 1 колонка */
  .wallet-types{grid-template-columns:1fr;gap:12px;margin:14px 0}
  .wt-card{padding:14px 16px;gap:12px}
  .wt-icon{width:38px;height:38px}
  .wt-name{font-size:14.5px}
  .wt-desc{font-size:13.5px;line-height:1.6}

  /* compare list */
  .compare-list li{font-size:14px;padding:8px 0;line-height:1.5}

  /* hub categories */
  .cat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cat-card{padding:18px 16px}
  .cat-card h3{font-size:15px}
  .cat-card p{font-size:13px}

  /* article cards grid */
  .art-grid{grid-template-columns:1fr;gap:14px}
  .art-card{padding:0}

  /* additional resources */
  .res-grid{grid-template-columns:1fr;gap:14px}
  .res-card{padding:18px 18px}
  .res-card h3{font-size:15px}

  /* popular cryptos — 2 col */
  .pop-crypto-grid{grid-template-columns:1fr 1fr;gap:10px}
  .pop-c-card{padding:12px;gap:10px}
  .pop-c-icon{width:32px;height:32px}

  /* section headers */
  .sec-hdr h2{font-size:22px}
  .sec-hdr p{font-size:14px}

  /* breadcrumb (legacy) */
  .bc{padding:10px 16px;font-size:12px}

  /* outer container paddings */
  .hub-cats-in,.hub-art-in,.add-res-in,.pop-crypto-in,.pop-crypto{padding-left:16px;padding-right:16px}
  .pop-crypto-in{padding:0}

  /* footer */
  .foot-top{grid-template-columns:1fr 1fr;gap:28px}
  .foot-in{padding:44px 18px 24px}
  .foot-company{max-width:none}
}

@media(max-width:560px){
  .foot-top{grid-template-columns:1fr;gap:28px}
  .foot-btm{flex-direction:column;align-items:flex-start;gap:10px}
  .foot-btm p{font-size:12px}
}

@media(max-width:480px){
  /* nav: меньше логотип */
  .nav-logo{font-size:16px;gap:8px}
  .nav-logo-icon,.nav-logo-icon img{width:28px;height:28px}

  /* hero hub: текст столбиком */
  .hero h1{font-size:24px}
  .hero p{font-size:15px}
  .hero-btns,.buy-cta-btns{flex-direction:column;align-items:stretch;max-width:280px;margin-left:auto;margin-right:auto}
  .btn-hero-wh,.btn-hero-out,.btn-wh-lg{text-align:center;padding:12px 20px;font-size:14px}

  /* article tighter */
  .cb-wrap{padding:18px 14px 40px}
  .cb-title{font-size:24px;margin-bottom:14px}
  .cb-bc{font-size:12px;margin-bottom:12px}
  .cb-hero-img{margin-bottom:18px;border-radius:6px}
  .art-h1{font-size:22px}

  /* sections */
  .art-section{margin-bottom:20px}
  .art-section h2{font-size:19px;margin-top:24px}
  .art-section h3{font-size:16px}
  .art-section p,.art-section li{font-size:14.5px}

  /* def box */
  .cb-wrap .art-def-box{padding:14px 14px;border-radius:6px}
  .cb-wrap .art-def-lbl{font-size:14px}

  /* info boxes */
  .ibox{padding:12px 14px;margin:14px 0;font-size:13.5px}

  /* hub categories — 1 col */
  .cat-grid{grid-template-columns:1fr;gap:10px}

  /* popular cryptos: остаётся 2 col, но компактно */
  .pop-crypto-grid{grid-template-columns:1fr 1fr;gap:8px}
  .pop-c-card{padding:10px;gap:8px;border-radius:10px}
  .pop-c-icon{width:28px;height:28px}
  .pop-c-name{font-size:12.5px}
  .pop-c-sym{font-size:11px}

  /* sec headers */
  .sec-hdr{margin-bottom:18px}
  .sec-hdr h2{font-size:20px}
  .sec-hdr p{font-size:13px}

  /* risk banner ещё компактнее */
  .risk-banner{padding:7px 12px;font-size:10.5px;line-height:1.4}

  /* footer */
  .foot-in{padding:36px 16px 22px}
  .foot-col h4{font-size:11px;margin-bottom:14px}
  .foot-col ul{gap:8px}
  .foot-col ul a{font-size:13px}
  .foot-logo-name{font-size:16px}
  .foot-company{font-size:12.5px}
}

@media(max-width:360px){
  .cb-title{font-size:22px}
  .pop-crypto-grid{grid-template-columns:1fr}
  .nav-in{padding:0 14px}
  .cb-bc{font-size:11.5px}
  .art-section h2{font-size:18px}
}