/* em-binance.com — Plaid-inspired dark financial infrastructure style */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:#0b0e11;color:#e5e7eb;line-height:1.6;overflow-x:hidden}

/* ─── Typography ─── */
h1,h2,h3,h4{font-weight:800;line-height:1.15;letter-spacing:-0.02em}
h1{font-size:clamp(2.4rem,5vw,4rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{color:#9ca3af;font-size:1.0625rem;line-height:1.75}

/* ─── Colors ─── */
:root{
  --gold:#f0b90b;
  --gold-light:#f8d147;
  --bg:#0b0e11;
  --bg2:#13171d;
  --bg3:#1a1d23;
  --border:#252930;
  --text:#e5e7eb;
  --muted:#9ca3af;
}

/* ─── Layout container ─── */
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ─── Nav ─── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,14,17,0.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:0.9375rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta-wrap{display:flex;gap:12px;align-items:center}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:9px 20px;border-radius:8px;font-size:0.9rem;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-gold{background:linear-gradient(135deg,#f0b90b,#f8d147);color:#0b0e11;padding:10px 22px;border-radius:8px;font-size:0.9rem;font-weight:700;border:none;cursor:pointer;transition:opacity .2s}
.btn-gold:hover{opacity:0.88}
.btn-gold-lg{background:linear-gradient(135deg,#f0b90b,#f8d147);color:#0b0e11;padding:14px 36px;border-radius:10px;font-size:1.0625rem;font-weight:800;border:none;cursor:pointer;transition:opacity .2s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.btn-gold-lg:hover{opacity:0.88}
.btn-outline-lg{background:transparent;border:1.5px solid var(--border);color:var(--text);padding:14px 32px;border-radius:10px;font-size:1.0625rem;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.btn-outline-lg:hover{border-color:var(--gold);color:var(--gold)}

/* ─── Hero ─── */
.hero{padding:140px 0 96px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 60% 30%,rgba(240,185,11,0.07) 0%,transparent 70%);pointer-events:none}
.hero-content{max-width:700px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(240,185,11,0.1);border:1px solid rgba(240,185,11,0.25);color:var(--gold);font-size:0.8125rem;font-weight:600;padding:6px 14px;border-radius:20px;margin-bottom:28px;letter-spacing:.04em;text-transform:uppercase}
.hero h1{color:#ffffff;margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,#f0b90b,#f8d147);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.125rem;color:var(--muted);max-width:560px;margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:60px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;padding-top:40px;border-top:1px solid var(--border)}
.stat-item{display:flex;flex-direction:column;gap:4px}
.stat-num{font-size:1.875rem;font-weight:800;color:#ffffff}
.stat-label{font-size:0.8125rem;color:var(--muted);font-weight:500}

/* ─── Trusted band (logos / network indicators) ─── */
.trust-band{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:24px 0;background:var(--bg2)}
.trust-inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.trust-label{font-size:0.8125rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;margin-right:12px}
.trust-pill{display:flex;align-items:center;gap:8px;background:var(--bg3);border:1px solid var(--border);padding:8px 16px;border-radius:20px;font-size:0.875rem;font-weight:600;color:var(--text)}
.trust-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex-shrink:0}

/* ─── Products / Platform section ─── */
.section{padding:96px 0}
.section-label{display:inline-block;font-size:0.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.section-title{color:#ffffff;margin-bottom:16px}
.section-desc{max-width:560px;margin-bottom:56px}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:880px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.products-grid{grid-template-columns:1fr}}

.product-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:32px;transition:border-color .2s,transform .2s}
.product-card:hover{border-color:rgba(240,185,11,0.4);transform:translateY(-3px)}
.product-card-icon{width:48px;height:48px;border-radius:12px;background:rgba(240,185,11,0.1);border:1px solid rgba(240,185,11,0.2);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.product-card h3{color:#ffffff;margin-bottom:10px}
.product-card p{font-size:0.9375rem;margin:0}

/* ─── Infrastructure / bento section ─── */
.infra-section{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:96px 0}
.bento-grid{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:auto auto;gap:24px}
@media(max-width:768px){.bento-grid{grid-template-columns:1fr}}
.bento-card{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:40px;position:relative;overflow:hidden}
.bento-card.wide{grid-column:1/-1}
.bento-card-tag{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:14px}
.bento-card h3{color:#ffffff;font-size:1.4rem;margin-bottom:12px}
.bento-card p{font-size:0.9375rem}
.bento-visual{margin-top:28px}
.bento-bar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.bento-bar-label{font-size:0.8125rem;color:var(--muted);width:90px;flex-shrink:0}
.bento-bar-track{flex:1;height:6px;background:var(--bg3);border-radius:3px;overflow:hidden}
.bento-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,#f0b90b,#f8d147)}
.bento-number-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.bento-num-item .num{font-size:2rem;font-weight:800;color:#ffffff}
.bento-num-item .lbl{font-size:0.8125rem;color:var(--muted);margin-top:4px}

/* ─── Security section ─── */
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:768px){.security-grid{grid-template-columns:1fr}}
.security-list{list-style:none;display:flex;flex-direction:column;gap:20px;margin-top:32px}
.security-item{display:flex;gap:16px;align-items:flex-start}
.security-icon{width:44px;height:44px;flex-shrink:0;border-radius:10px;background:rgba(240,185,11,0.08);border:1px solid rgba(240,185,11,0.18);display:flex;align-items:center;justify-content:center}
.security-text h4{color:#ffffff;font-size:1rem;font-weight:700;margin-bottom:4px}
.security-text p{font-size:0.9rem;margin:0}

/* ─── Network visual (SVG inline) ─── */
.network-visual{width:100%;max-width:480px;float:right}
@media(max-width:768px){.network-visual{float:none;max-width:100%;margin-top:32px}}

/* ─── CTA stripe ─── */
.cta-stripe{background:linear-gradient(135deg,#13171d 0%,#1a1d23 100%);border:1px solid var(--border);border-radius:24px;padding:72px 64px;text-align:center;margin:0 0 96px}
@media(max-width:640px){.cta-stripe{padding:48px 28px}}
.cta-stripe h2{color:#ffffff;margin-bottom:16px}
.cta-stripe p{margin:0 auto 36px;max-width:520px}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ─── Platform steps ─── */
.steps-section{padding:96px 0}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px}
@media(max-width:880px){.steps-grid{grid-template-columns:1fr;max-width:480px}}
.step-num{font-size:2.5rem;font-weight:900;color:rgba(240,185,11,0.18);line-height:1;margin-bottom:16px}
.step-card h3{color:#ffffff;margin-bottom:10px}

/* ─── Footer ─── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media(max-width:900px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-top{grid-template-columns:1fr}}
.footer-brand img{height:34px;margin-bottom:16px}
.footer-brand p{font-size:0.875rem;max-width:280px}
.footer-col h4{color:#ffffff;font-size:0.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{color:var(--muted);font-size:0.875rem;text-decoration:none;transition:color .2s}
.footer-col ul li a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:0.8125rem;color:var(--muted)}
.footer-bottom a{color:var(--muted);text-decoration:none;font-size:0.8125rem;transition:color .2s}
.footer-bottom a:hover{color:var(--text)}

/* ─── Responsive nav ─── */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--text)}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links,.nav-cta-wrap{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);padding:20px 24px;gap:20px}
  .nav-cta-wrap.open{display:flex;padding:0 24px 20px;background:var(--bg2)}
}

/* ─── Utilities ─── */
.text-gold{color:var(--gold)}
.mt-4{margin-top:16px}
.flex-gap{display:flex;gap:12px;flex-wrap:wrap}