/* ============================================
   UPI Broker — upibroker.com
   Dark theme, Teal (#14b8a6) accent
   Fintech / Payment-app aesthetic
   ============================================ */

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:        #0a0f1a;
  --bg-card:   #111827;
  --bg-card-2: #1a2235;
  --surface:   #1e293b;
  --border:    #1e293b;
  --border-l:  #334155;
  --teal:      #14b8a6;
  --teal-l:    #5eead4;
  --teal-d:    #0d9488;
  --teal-bg:   rgba(20,184,166,.08);
  --green:     #22c55e;
  --green-bg:  rgba(34,197,94,.1);
  --amber:     #f59e0b;
  --red:       #ef4444;
  --text:      #e2e8f0;
  --text-2:    #94a3b8;
  --text-3:    #64748b;
  --white:     #f8fafc;
  --radius:    12px;
  --radius-lg: 18px;
  --shadow:    0 4px 24px rgba(0,0,0,.35);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --transition:.25s cubic-bezier(.4,0,.2,1);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'DM Sans','Outfit',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%}
a{color:var(--teal);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--teal-l)}

h1,h2,h3,h4,h5,h6{
  font-family:'Outfit','Geist',system-ui,sans-serif;
  font-weight:700;
  line-height:1.2;
  color:var(--white);
}

/* ---------- Utility ---------- */
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:100px;letter-spacing:.02em}
.badge--teal{background:var(--teal-bg);color:var(--teal-l);border:1px solid rgba(20,184,166,.2)}
.badge--green{background:var(--green-bg);color:var(--green);border:1px solid rgba(34,197,94,.15)}
.badge--amber{background:rgba(245,158,11,.1);color:var(--amber);border:1px solid rgba(245,158,11,.15)}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,15,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.logo{font-family:'Outfit','Geist',system-ui,sans-serif;font-size:1.35rem;font-weight:800;color:var(--white);letter-spacing:-.02em}
.logo span{color:var(--teal)}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:.9rem;font-weight:500;color:var(--text-2);transition:color var(--transition)}
.nav a:hover{color:var(--teal-l)}

.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hamburger span+span{margin-top:5px}

/* ---------- Hero ---------- */
.hero{
  padding:80px 0 64px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(20,184,166,.12) 0%,transparent 70%);
  pointer-events:none;
}
.hero__tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 16px;border-radius:100px;
  background:var(--teal-bg);border:1px solid rgba(20,184,166,.18);
  font-size:.82rem;font-weight:600;color:var(--teal-l);
  margin-bottom:20px;
}
.hero__tag svg{width:16px;height:16px}
.hero h1{
  font-size:clamp(2rem,5.5vw,3.4rem);
  letter-spacing:-.03em;
  margin-bottom:16px;
  max-width:720px;margin-left:auto;margin-right:auto;
}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p{
  font-size:1.1rem;color:var(--text-2);
  max-width:560px;margin:0 auto 32px;
}
.hero__stats{
  display:flex;justify-content:center;gap:40px;flex-wrap:wrap;
  margin-top:24px;
}
.hero__stat{text-align:center}
.hero__stat strong{display:block;font-size:1.5rem;color:var(--teal-l);font-family:'Outfit',sans-serif}
.hero__stat span{font-size:.8rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}

/* ---------- Broker Cards ---------- */
.brokers{padding:64px 0}
.section-label{
  font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:var(--teal);margin-bottom:8px;
}
.section-title{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:40px;letter-spacing:-.02em}

.broker-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}

.broker-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  display:flex;flex-direction:column;gap:18px;
  transition:border-color var(--transition),box-shadow var(--transition);
  position:relative;overflow:hidden;
}
.broker-card:hover{border-color:var(--teal);box-shadow:0 0 32px rgba(20,184,166,.1)}
.broker-card--featured{border-color:rgba(20,184,166,.35)}
.broker-card--featured::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--teal),var(--teal-l));
}

.broker-card__header{display:flex;align-items:center;justify-content:space-between}
.broker-card__brand{display:flex;align-items:center;gap:12px}
.broker-card__icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.1rem;font-family:'Outfit',sans-serif;
}
.broker-card__icon--xm{background:linear-gradient(135deg,#1a7f37,#22c55e);color:#fff}
.broker-card__icon--exness{background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#1a1a1a}
.broker-card__name{font-size:1.15rem;font-weight:700;color:var(--white)}
.broker-card__subtitle{font-size:.8rem;color:var(--text-3)}

.broker-card__metrics{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;
}
.metric{
  background:var(--bg-card-2);border-radius:10px;padding:12px;text-align:center;
}
.metric__value{display:block;font-size:1.05rem;font-weight:700;color:var(--white)}
.metric__label{font-size:.72rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}

.broker-card__features{display:flex;flex-wrap:wrap;gap:8px}

.broker-card__cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:10px;
  font-weight:700;font-size:.95rem;
  border:none;cursor:pointer;
  transition:all var(--transition);
  text-align:center;
  width:100%;
}
.broker-card__cta--primary{
  background:linear-gradient(135deg,var(--teal),var(--teal-d));
  color:#fff;
  box-shadow:0 4px 16px rgba(20,184,166,.3);
}
.broker-card__cta--primary:hover{
  background:linear-gradient(135deg,var(--teal-l),var(--teal));
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 6px 24px rgba(20,184,166,.4);
}
.broker-card__cta--outline{
  background:transparent;
  border:1.5px solid var(--border-l);
  color:var(--text);
}
.broker-card__cta--outline:hover{border-color:var(--teal);color:var(--teal-l)}

.broker-card__risk{font-size:.72rem;color:var(--text-3);text-align:center;margin-top:-4px}

/* ---------- Deposit Flow ---------- */
.deposit-flow{padding:64px 0}
.flow-steps{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;
  margin-top:32px;
}
.flow-step{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;text-align:center;position:relative;
}
.flow-step__num{
  width:36px;height:36px;border-radius:50%;
  background:var(--teal-bg);border:1.5px solid rgba(20,184,166,.3);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.85rem;font-weight:700;color:var(--teal-l);
  margin-bottom:14px;
}
.flow-step h3{font-size:1rem;margin-bottom:6px}
.flow-step p{font-size:.88rem;color:var(--text-2)}
.flow-step__arrow{
  display:none;position:absolute;right:-18px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:1.2rem;
}

/* ---------- Articles ---------- */
.articles{padding:64px 0}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:32px}
.article-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:border-color var(--transition),transform var(--transition);
}
.article-card:hover{border-color:var(--teal);transform:translateY(-2px)}
.article-card__cat{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--teal)}
.article-card h3{font-size:1.05rem;line-height:1.35}
.article-card h3 a{color:var(--white)}
.article-card h3 a:hover{color:var(--teal-l)}
.article-card p{font-size:.88rem;color:var(--text-2);flex:1}
.article-card__meta{display:flex;align-items:center;gap:12px;font-size:.78rem;color:var(--text-3)}

/* ---------- Trust / Why UPI ---------- */
.trust{padding:64px 0}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:32px}
.trust-item{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;
}
.trust-item__icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--teal-bg);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
  color:var(--teal);font-size:1.2rem;
}
.trust-item h3{font-size:.95rem;margin-bottom:6px}
.trust-item p{font-size:.85rem;color:var(--text-2)}

/* ---------- Disclaimer ---------- */
.disclaimer{
  padding:40px 0;
  border-top:1px solid var(--border);
}
.disclaimer__inner{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;
}
.disclaimer__inner p{font-size:.78rem;color:var(--text-3);line-height:1.7}
.disclaimer__inner strong{color:var(--text-2)}

/* ---------- Footer ---------- */
.footer{
  padding:40px 0 32px;
  border-top:1px solid var(--border);
}
.footer__inner{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.footer__copy{font-size:.82rem;color:var(--text-3)}
.footer__links{display:flex;gap:20px}
.footer__links a{font-size:.82rem;color:var(--text-3)}
.footer__links a:hover{color:var(--teal)}

/* ---------- Mobile ---------- */
@media(max-width:768px){
  .nav{
    position:fixed;top:64px;right:0;bottom:0;
    background:rgba(10,15,26,.96);
    backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;
    padding:32px 28px;gap:24px;
    width:260px;
    transform:translateX(100%);
    transition:transform var(--transition);
    border-left:1px solid var(--border);
  }
  .nav.open{transform:translateX(0)}
  .nav a{font-size:1rem}
  .hamburger{display:block}

  .hero{padding:56px 0 48px}
  .hero h1{font-size:1.85rem}
  .hero__stats{gap:24px}

  .broker-card__metrics{grid-template-columns:1fr 1fr}

  .broker-grid{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}

  .flow-steps{grid-template-columns:1fr 1fr}

  .footer__inner{flex-direction:column;text-align:center}
}

@media(max-width:480px){
  .flow-steps{grid-template-columns:1fr}
  .hero__stats{flex-direction:column;gap:16px}
}

/* ---------- Animations ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-up{opacity:0;animation:fadeUp .6s ease forwards}
.fade-up-d1{animation-delay:.1s}
.fade-up-d2{animation-delay:.2s}
.fade-up-d3{animation-delay:.3s}
.fade-up-d4{animation-delay:.4s}