/* ============================================================
   Fintex — learnwithfintex.com
   Shared design system
   ============================================================ */
:root{
  --navy:#0F1F5C;
  --blue:#2850E8;
  --sky:#4EC3F7;
  --ink:#0D1430;
  --muted:#5A6485;
  --line:#E6E9F5;
  --bg:#FFFFFF;
  --soft:#F4F6FD;
  --soft2:#EEF2FE;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(15,31,92,.12);
  --shadow-sm:0 8px 24px rgba(15,31,92,.08);
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.disp{font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;letter-spacing:-.02em}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:800;font-size:15px;border:none;cursor:pointer;
  padding:14px 26px;border-radius:99px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(40,80,232,.34)}
.btn-primary:hover{background:#1c3fd0}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-light{background:rgba(255,255,255,.16);color:#fff;border:1.5px solid rgba(255,255,255,.32)}
.btn-light:hover{background:rgba(255,255,255,.26)}

/* ---------- navbar ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:var(--navy)}
.brand img{width:38px;height:38px;border-radius:10px;box-shadow:var(--shadow-sm)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-weight:700;font-size:15px;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-lang{display:inline-flex;background:var(--soft2);border:1px solid var(--line);border-radius:99px;padding:3px;gap:2px}
.nav-lang button{background:none;border:none;color:var(--muted);font-weight:800;font-size:12.5px;padding:5px 11px;border-radius:99px;cursor:pointer;font-family:inherit;transition:.15s}
.nav-lang button.active{background:var(--blue);color:#fff}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2.5px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.2s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#0F1F5C 0%,#1A2E7A 48%,#2850E8 120%);color:#fff}
.hero::before{content:'';position:absolute;top:-30%;right:-10%;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(78,195,247,.35),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:84px 0 96px;position:relative;z-index:2}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.03em;margin-bottom:20px}
.hero h1 .hl{background:linear-gradient(120deg,var(--sky),#A7E3FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.86);max-width:520px;margin-bottom:30px;font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.8);font-size:14px;font-weight:600}
.hero-badges span{display:flex;align-items:center;gap:7px}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center}
.hero-art .glow{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(78,195,247,.45),transparent 62%);filter:blur(6px)}
.hero-art img{position:relative;width:min(360px,80%);filter:drop-shadow(0 30px 50px rgba(0,0,0,.35))}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.soft{background:var(--soft)}
.eyebrow{display:inline-block;font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.section h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.025em;line-height:1.12;margin-bottom:16px}
.section .lead{font-size:18px;color:var(--muted);max-width:620px;font-weight:500}
.center{text-align:center;margin:0 auto}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- feature cards ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ico{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:16px;background:var(--soft2);
}
.card h3{font-size:19px;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:15px;color:var(--muted);font-weight:500}

/* ---------- topics chips ---------- */
.topics{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px}
.chip{
  display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:99px;padding:13px 22px;font-weight:700;font-size:15px;box-shadow:var(--shadow-sm);
  transition:transform .15s,border-color .15s;
}
.chip:hover{transform:translateY(-3px);border-color:var(--sky)}
.chip .e{font-size:20px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.step{text-align:center;position:relative}
.step .num{
  width:62px;height:62px;margin:0 auto 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:800;color:#fff;background:linear-gradient(150deg,var(--blue),var(--navy));
  box-shadow:0 12px 26px rgba(40,80,232,.32);
}
.step h3{font-size:20px;font-weight:800;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px;font-weight:500;max-width:300px;margin:0 auto}

/* ---------- download / CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:28px;padding:56px 40px;text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:'';position:absolute;bottom:-40%;left:-5%;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(78,195,247,.3),transparent 65%)}
.cta-band h2{color:#fff;position:relative}
.cta-band p{color:rgba(255,255,255,.85);max-width:520px;margin:14px auto 28px;position:relative;font-weight:500}
.stores{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}
.store{
  display:flex;align-items:center;gap:12px;background:#0B1230;color:#fff;border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:12px 22px;min-width:200px;transition:transform .15s,opacity .15s;cursor:default;position:relative;
}
.store:hover{transform:translateY(-2px)}
.store .si{font-size:28px}
.store small{display:block;font-size:11px;color:rgba(255,255,255,.65);font-weight:600;line-height:1}
.store b{font-size:17px;font-weight:800;line-height:1.2}
.store .soon{position:absolute;top:-9px;right:10px;background:var(--sky);color:var(--navy);font-size:10px;font-weight:800;padding:2px 8px;border-radius:99px;letter-spacing:.04em}
.store-badge{position:relative;display:inline-flex}
.store-badge img{height:52px;width:auto;display:block;border-radius:9px}
.store-badge .soon{position:absolute;top:-9px;right:-6px;z-index:2;background:var(--sky);color:var(--navy);font-size:10px;font-weight:800;padding:2px 8px;border-radius:99px;letter-spacing:.04em;box-shadow:0 2px 8px rgba(0,0,0,.25)}

/* ---------- contact ---------- */
.contact-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm);text-align:center}
.contact-box a.mail{font-size:22px;font-weight:800;color:var(--blue)}

/* ---------- footer ---------- */
footer{background:var(--navy);color:rgba(255,255,255,.78);padding:54px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:#fff;margin-bottom:14px}
.foot-brand img{width:38px;height:38px;border-radius:10px}
.foot-col h4{color:#fff;font-size:14px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.foot-col a{display:block;color:rgba(255,255,255,.7);font-size:15px;font-weight:500;margin-bottom:10px;transition:color .15s}
.foot-col a:hover{color:var(--sky)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.6)}
.foot-addr{font-size:14px;color:rgba(255,255,255,.7);max-width:300px;font-weight:500;margin-top:4px}

/* ---------- legal / content pages ---------- */
.page-head{background:linear-gradient(160deg,#0F1F5C,#2850E8);color:#fff;padding:64px 0 56px;text-align:center}
.page-head h1{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.025em}
.page-head p{color:rgba(255,255,255,.8);margin-top:10px;font-weight:500}
.lang-toggle{display:inline-flex;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:99px;padding:4px;margin-top:22px;gap:4px}
.lang-toggle button{background:none;border:none;color:rgba(255,255,255,.8);font-weight:800;font-size:14px;padding:8px 20px;border-radius:99px;cursor:pointer;transition:.15s}
.lang-toggle button.active{background:#fff;color:var(--navy)}
.legal{max-width:820px;margin:0 auto;padding:60px 24px 80px}
.legal h2{font-size:24px;font-weight:800;margin:34px 0 12px;letter-spacing:-.02em;color:var(--navy)}
.legal h2:first-child{margin-top:0}
.legal h3{font-size:18px;font-weight:800;margin:22px 0 8px}
.legal p{color:#3A4366;margin-bottom:14px;font-size:16px}
.legal ul{margin:0 0 16px 22px;color:#3A4366}
.legal li{margin-bottom:8px;font-size:16px}
.legal .updated{color:var(--muted);font-size:14px;font-weight:600;margin-bottom:8px}
.legal a{color:var(--blue);font-weight:700}
.lang-section{display:none}
.lang-section.show{display:block}

/* ---------- support / FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:800;font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:24px;color:var(--blue);font-weight:700;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;color:var(--muted);font-size:15.5px;font-weight:500}
.faq details p a{color:var(--blue);font-weight:700}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:center;padding:60px 0 70px}
  .hero p.sub{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-badges{justify-content:center}
  .hero-art{order:-1;margin-bottom:10px}
  .hero-art img{width:min(260px,70%)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid var(--soft)}
  .menu-btn{display:block}
  .nav-cta .btn:not(.menu-btn){display:none}
}
@media(max-width:560px){
  .grid-4,.grid-2{grid-template-columns:1fr}
  .section{padding:60px 0}
  .cta-band{padding:42px 22px}
  .legal{padding:44px 20px 60px}
}