/* g-binance.com – contentful-inspired blue platform style */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue-900:#0f172a;
  --blue-800:#1e3a8a;
  --blue-600:#1a56db;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --blue-100:#dbeafe;
  --blue-50:#eff6ff;
  --text:#0f172a;
  --text-muted:#475569;
  --text-light:#94a3b8;
  --surface:#fff;
  --surface-alt:#f8fafc;
  --border:#e2e8f0;
  --radius:12px;
  --radius-lg:20px;
  --shadow:0 2px 16px rgba(15,23,42,.08);
  --shadow-lg:0 8px 40px rgba(15,23,42,.14);
  --max-w:1200px;
  --font:'Inter',system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--surface);line-height:1.6;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;outline:none}

/* ── Layout ── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--alt{background:var(--surface-alt)}
.section--dark{background:var(--blue-900);color:#fff}

/* ── Nav ── */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav__inner{display:flex;align-items:center;height:64px;gap:32px}
.nav__logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav__logo img{height:36px;width:auto}
.nav__links{display:flex;align-items:center;gap:24px;flex:1}
.nav__links a{font-size:14px;font-weight:500;color:var(--text-muted);transition:color .2s}
.nav__links a:hover{color:var(--blue-600)}
.nav__cta{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:8px;font-size:14px;font-weight:600;line-height:1;transition:all .2s;white-space:nowrap}
.btn--primary{background:var(--blue-600);color:#fff}
.btn--primary:hover{background:var(--blue-800);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn--outline{background:transparent;color:var(--blue-600);border:1.5px solid var(--blue-600)}
.btn--outline:hover{background:var(--blue-50)}
.btn--lg{padding:14px 32px;font-size:16px;border-radius:10px}
.btn--xl{padding:16px 36px;font-size:17px;border-radius:12px}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.nav__mobile-toggle{display:none;background:none;padding:8px;color:var(--text)}

/* ── Hero ── */
.hero{padding:96px 0 80px;background:linear-gradient(160deg,var(--blue-50) 0%,#fff 60%)}
.hero__inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero__badge{display:inline-flex;align-items:center;gap:6px;background:var(--blue-100);color:var(--blue-800);font-size:12px;font-weight:600;padding:4px 12px;border-radius:100px;margin-bottom:20px;text-transform:uppercase;letter-spacing:.5px}
.hero__badge span{width:6px;height:6px;border-radius:50%;background:var(--blue-600);display:inline-block}
.hero__h1{font-size:clamp(32px,4vw,52px);font-weight:800;line-height:1.1;letter-spacing:-1.5px;color:var(--blue-900);margin-bottom:20px}
.hero__h1 em{font-style:normal;color:var(--blue-600)}
.hero__desc{font-size:18px;color:var(--text-muted);line-height:1.7;margin-bottom:32px;max-width:480px}
.hero__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero__trust{display:flex;gap:32px;flex-wrap:wrap}
.hero__stat{display:flex;flex-direction:column}
.hero__stat strong{font-size:22px;font-weight:800;color:var(--blue-900)}
.hero__stat span{font-size:13px;color:var(--text-muted)}
.hero__visual{position:relative}
.hero__card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px;border:1px solid var(--border)}
.hero__chart{width:100%;height:200px;background:linear-gradient(180deg,var(--blue-100) 0%,transparent 100%);border-radius:8px;position:relative;overflow:hidden}
.hero__chart::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--blue-600);border-radius:2px}
.hero__ticker{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.ticker-item{background:var(--blue-50);border-radius:8px;padding:10px 14px;flex:1;min-width:80px}
.ticker-item__name{font-size:11px;color:var(--text-muted);font-weight:600}
.ticker-item__price{font-size:15px;font-weight:700;color:var(--text)}
.ticker-item__change{font-size:11px;color:#16a34a;font-weight:600}
.ticker-item--down .ticker-item__change{color:#dc2626}

/* ── Stats band ── */
.stats-band{padding:48px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-band__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stats-item{text-align:center}
.stats-item__num{font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--blue-600);line-height:1}
.stats-item__label{font-size:14px;color:var(--text-muted);margin-top:6px}

/* ── Features ── */
.features-intro{text-align:center;max-width:640px;margin:0 auto 64px}
.section-label{font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue-600);margin-bottom:12px}
.section-title{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-1px;color:var(--blue-900);line-height:1.15;margin-bottom:16px}
.section-sub{font-size:17px;color:var(--text-muted);line-height:1.65}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:64px 0}
.feature-row+.feature-row{border-top:1px solid var(--border)}
.feature-row--reverse{direction:rtl}
.feature-row--reverse>*{direction:ltr}
.feature-text__label{font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue-600);margin-bottom:10px}
.feature-text__title{font-size:clamp(22px,2.5vw,34px);font-weight:800;letter-spacing:-.5px;color:var(--blue-900);margin-bottom:14px;line-height:1.2}
.feature-text__desc{font-size:16px;color:var(--text-muted);line-height:1.7;margin-bottom:24px}
.feature-list{display:flex;flex-direction:column;gap:12px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-muted)}
.feature-list li::before{content:'';width:18px;height:18px;border-radius:50%;background:var(--blue-100);flex-shrink:0;margin-top:2px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9l3 3 5-5' stroke='%231a56db' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}
.feature-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-img-mock{width:100%;aspect-ratio:4/3;background:linear-gradient(135deg,var(--blue-800) 0%,var(--blue-600) 100%);border-radius:var(--radius-lg);display:flex;flex-direction:column;justify-content:flex-end;padding:28px;gap:12px;position:relative;overflow:hidden}
.feature-img-mock::before{content:'';position:absolute;top:20px;left:20px;right:20px;bottom:60px;background:rgba(255,255,255,.04);border-radius:8px;border:1px solid rgba(255,255,255,.1)}
.mock-line{height:8px;background:rgba(255,255,255,.2);border-radius:4px}
.mock-line--short{width:60%}
.mock-line--med{width:80%}
.mock-dot-row{display:flex;gap:8px}
.mock-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4)}
.mock-badge{display:inline-flex;padding:6px 12px;background:rgba(255,255,255,.15);border-radius:100px;font-size:12px;color:rgba(255,255,255,.9);width:fit-content}

/* ── Dark CTA band ── */
.cta-band{padding:80px 0;background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-800) 100%)}
.cta-band__inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}
.cta-band__eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue-400)}
.cta-band__title{font-size:clamp(28px,4vw,48px);font-weight:800;color:#fff;letter-spacing:-1px;line-height:1.15;max-width:680px}
.cta-band__desc{font-size:17px;color:#94a3b8;max-width:520px;line-height:1.6}
.cta-band__actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.btn--white{background:#fff;color:var(--blue-800)}
.btn--white:hover{background:var(--blue-100);transform:translateY(-1px)}

/* ── Platform cards ── */
.platforms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.platform-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:box-shadow .2s,border-color .2s}
.platform-card:hover{box-shadow:var(--shadow-lg);border-color:var(--blue-400)}
.platform-card__icon{width:48px;height:48px;border-radius:12px;background:var(--blue-50);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px}
.platform-card__title{font-size:18px;font-weight:700;color:var(--blue-900);margin-bottom:8px}
.platform-card__desc{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:20px}
.platform-card__link{font-size:13px;font-weight:600;color:var(--blue-600);display:inline-flex;align-items:center;gap:4px}
.platform-card__link::after{content:'→'}

/* ── Trust logos ── */
.trust-section{padding:56px 0;text-align:center}
.trust-section__label{font-size:13px;color:var(--text-light);margin-bottom:32px;font-weight:500}
.trust-logos{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;align-items:center}
.trust-logo{font-size:14px;font-weight:700;color:var(--text-light);letter-spacing:.5px;padding:8px 16px;border:1px solid var(--border);border-radius:8px}

/* ── Security section ── */
.security-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.security-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;gap:16px}
.security-card__icon{width:40px;height:40px;flex-shrink:0;border-radius:10px;background:var(--blue-100);display:flex;align-items:center;justify-content:center;font-size:20px}
.security-card__title{font-size:16px;font-weight:700;color:var(--blue-900);margin-bottom:6px}
.security-card__desc{font-size:14px;color:var(--text-muted);line-height:1.55}

/* ── Download section ── */
.download-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.download-text h2{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--blue-900);letter-spacing:-.5px;margin-bottom:16px;line-height:1.2}
.download-text p{font-size:16px;color:var(--text-muted);line-height:1.7;margin-bottom:28px}
.download-btns{display:flex;flex-direction:column;gap:12px;max-width:320px}
.download-btn{display:flex;align-items:center;gap:14px;background:var(--blue-900);color:#fff;border-radius:10px;padding:14px 20px;transition:background .2s}
.download-btn:hover{background:var(--blue-800)}
.download-btn__icon{font-size:24px;flex-shrink:0}
.download-btn__text{font-size:11px;color:rgba(255,255,255,.65);line-height:1}
.download-btn__name{font-size:16px;font-weight:700;line-height:1;margin-top:2px}
.download-visual{position:relative}
.phone-mock{width:220px;margin:0 auto;background:var(--blue-900);border-radius:32px;padding:16px;box-shadow:var(--shadow-lg)}
.phone-screen{background:linear-gradient(180deg,var(--blue-800) 0%,var(--blue-900) 100%);border-radius:20px;padding:24px 16px;min-height:360px;display:flex;flex-direction:column;gap:12px}
.phone-bar{height:8px;background:rgba(255,255,255,.15);border-radius:4px}
.phone-bar--short{width:55%}
.phone-price{font-size:20px;font-weight:800;color:#fff;line-height:1}
.phone-sub{font-size:11px;color:var(--blue-400);margin-top:2px}
.phone-chart{flex:1;background:rgba(59,130,246,.15);border-radius:8px;position:relative;overflow:hidden;min-height:120px}
.phone-chart::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--blue-400)}

/* ── Footer ── */
.footer{background:var(--blue-900);color:#fff;padding:64px 0 32px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer__brand img{height:32px;margin-bottom:16px}
.footer__brand p{font-size:14px;color:#94a3b8;line-height:1.6;max-width:260px}
.footer__col h4{font-size:13px;font-weight:700;color:#e2e8f0;text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}
.footer__col ul{display:flex;flex-direction:column;gap:10px}
.footer__col ul li a{font-size:14px;color:#94a3b8;transition:color .2s}
.footer__col ul li a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:gap}
.footer__copy{font-size:13px;color:#64748b}
.footer__legal{display:flex;gap:20px}
.footer__legal a{font-size:13px;color:#64748b;transition:color .2s}
.footer__legal a:hover{color:#94a3b8}

/* ── Responsive ── */
@media(max-width:1024px){
  .hero__inner{grid-template-columns:1fr;gap:48px}
  .hero__visual{order:-1;max-width:480px;margin:0 auto}
  .feature-row{grid-template-columns:1fr;gap:40px}
  .feature-row--reverse{direction:ltr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .download-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  .nav__links{display:none}
  .nav__mobile-toggle{display:block}
  .stats-band__grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .platforms-grid{grid-template-columns:1fr}
  .security-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .hero{padding:64px 0 48px}
  .hero__h1{font-size:30px}
  .hero__desc{font-size:16px}
  .trust-logos{gap:16px}
  .footer__grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{text-align:center;min-height:44px}
  .hero__trust{gap:20px}
  .cta-band__actions{flex-direction:column;align-items:stretch}
  .cta-band__actions .btn{min-height:44px}
  .download-btns{max-width:100%}
  .ticker-item{min-width:60px}
  .footer__bottom{flex-direction:column;gap:12px;text-align:center}
  .footer__legal{flex-wrap:wrap;justify-content:center}
}