:root{
  --bg-0:#f6fbff;
  --bg-1:#eef9ff;
  --card:#ffffff;
  --muted:#6b7280;
  --accent-1:#0066ff;
  --accent-2:#00c2d6;
  --cta:#ff6b3d;
  --success:#16a34a;
  --danger:#ef4444;
  --radius:12px;
  --shadow-lg:0 18px 50px rgba(6,18,50,0.12);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial;
  color-scheme:light;
  color:#071026;
}

/* Global */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg-0),var(--bg-1));
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
.container{max-width:1150px;margin:0 auto;padding:20px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,0.6);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(6,18,50,0.04);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
}
.brand{display:flex;flex-direction:column}
.brand-title{
  font-weight:700;
  font-size:20px;
  color:#04264b;
  letter-spacing:0.2px;
}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}

/* Desktop nav */
.nav-desktop{display:flex;gap:16px}
.nav-link{
  color:var(--muted);
  text-decoration:none;
  padding:8px 10px;
  border-radius:8px;
  font-weight:600;
}
.nav-link:hover{
  color:var(--accent-1);
  background:linear-gradient(90deg,rgba(0,102,255,0.06),rgba(0,194,214,0.03));
}

/* Hamburger */
.hamburger{
  display:none;
  background:transparent;
  border:0;
  padding:8px;
  cursor:pointer;
}
.hamburger .bar{
  display:block;
  width:20px;
  height:2px;
  background:#04264b;
  margin:4px 0;
  transition:transform .25s ease, opacity .25s ease;
}
.hamburger.open .bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.open .bar:nth-child(2){opacity:0}
.hamburger.open .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* Mobile menu */
.mobile-menu{
  position:fixed;
  inset:0;
  top:64px;
  display:none;
  background:rgba(255,255,255,0.6);
  backdrop-filter:blur(8px);
  z-index:59;
}
.mobile-menu.show{display:block}
.mobile-menu-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:18px;
  padding:28px;
}
.mobile-link{
  display:block;
  padding:12px 18px;
  border-radius:10px;
  background:transparent;
  color:#04264b;
  text-decoration:none;
  font-weight:700;
  width:80%;
  text-align:center;
}
.mobile-link:active,
.mobile-link:hover{
  background:linear-gradient(90deg,var(--accent-1),var(--accent-2));
  color:#fff;
}

/* Hero */
.hero{padding:28px 0}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:22px;
  align-items:start;
}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}}
.hero-left h1{margin:0 0 8px;font-size:28px;color:#04264b}
.lead{margin:0 0 8px;color:var(--muted)}
.muted{color:var(--muted)}
.pay-card{
  padding:14px;
  border-radius:12px;
  background:linear-gradient(180deg,#fff,#f7fdff);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(0,194,214,0.06);
}
.chip-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.wallet-chip{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px;
  border-radius:10px;
  background:linear-gradient(90deg,var(--accent-1),var(--accent-2));
  color:#fff;
  font-family:monospace;
  cursor:pointer;
}
.wallet-chip .btn{
  cursor:pointer;
}
.trust-list{
  list-style:none;
  margin:10px 0 12px 0;
  padding:0;
  font-size:13px;
  color:var(--muted);
}

/* Form layout */
.form-section{padding:10px 0 36px}
.section-title{font-size:20px;margin-bottom:12px;color:#04264b}
.form-grid{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:22px;
}
@media (max-width:980px){.form-grid{grid-template-columns:1fr}}
.card{
  background:var(--card);
  padding:18px;
  border-radius:12px;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(6,18,50,0.03);
}
.two-cols{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
@media (max-width:560px){.two-cols{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;margin-bottom:12px}
label{font-size:13px;color:var(--muted);margin-bottom:8px}
input[type="text"],
input[type="email"],
input[type="number"],
input[type="file"],
textarea{
  padding:12px 14px;
  border-radius:10px;
  border:1px solid rgba(6,18,50,0.06);
  background:linear-gradient(180deg,#fff,#fbfdff);
  font-size:15px;
  outline:none;
}
input:focus{
  box-shadow:0 12px 36px rgba(0,102,255,0.06);
  border-color:var(--accent-1);
}
.small{font-size:13px}

/* File preview */
.file-preview{
  display:flex;
  gap:12px;
  align-items:center;
  margin-top:10px;
}
.thumb{
  width:72px;
  height:56px;
  border-radius:8px;
  background:#f3f4f6;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  overflow:hidden;
  border:1px solid rgba(6,18,50,0.04);
}
.preview-meta{display:flex;flex-direction:column}

/* Buttons */
.actions{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:10px;
  border:0;
  cursor:pointer;
  font-weight:700;
}
.btn.primary{
  background:linear-gradient(90deg,var(--accent-1),var(--accent-2));
  color:#fff;
  box-shadow:0 14px 36px rgba(0,194,214,0.12);
}
.btn.ghost{
  background:transparent;
  border:1px solid rgba(6,18,50,0.06);
  color:var(--accent-1);
}
.btn.small{padding:8px 10px;font-size:13px}
.spinner{
  display:inline-block;
  width:16px;
  height:16px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,0.4);
  border-top-color:rgba(255,255,255,0.9);
  animation:spin .9s linear infinite;
  margin-left:8px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Messages */
.error{color:var(--danger);font-size:13px;margin-top:6px}
.clientMsg{margin-top:12px;font-size:14px}

/* Summary card */
.summary-row{
  display:flex;
  justify-content:space-between;
  padding:8px 0;
  font-size:15px;
}
.wallet-chip.small{font-size:13px;padding:8px;border-radius:8px}
.faq-brief summary{cursor:pointer;font-weight:600;margin-top:12px}

/* Accordion FAQ */
.accordion{margin-top:14px}
.accordion-item{
  border-radius:10px;
  border:1px solid rgba(6,18,50,0.04);
  overflow:hidden;
  margin-bottom:10px;
  background:#fff;
}
.accordion-toggle{
  width:100%;
  text-align:left;
  padding:14px 16px;
  border:0;
  background:transparent;
  font-weight:700;
  font-size:15px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
}
.accordion-toggle::after{
  content:"▾";
  transition:transform .25s ease;
}
.accordion-toggle[aria-expanded="true"]::after{
  transform:rotate(180deg);
}
.accordion-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
  padding:0 16px;
}
.accordion-panel p{
  margin:12px 0;
  color:var(--muted);
  line-height:1.5;
}
.accordion-item.open .accordion-panel{padding-bottom:12px}

/* Overlay modal */
.overlay{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(4,8,20,0.5);
  backdrop-filter:blur(4px);
  z-index:80;
}
.overlay.show{display:flex}
.modal{
  background:linear-gradient(180deg,#fff,#fbfdff);
  padding:18px;
  border-radius:12px;
  max-width:520px;
  width:92%;
  box-shadow:0 30px 80px rgba(2,6,23,0.6);
}
.modal-head{
  display:flex;
  gap:12px;
  align-items:center;
}
.modal-head h3{margin:0;color:#04264b}

/* Footer */
.site-footer{
  padding:26px 0;
  background:linear-gradient(180deg,#fff,#f7fbff);
  border-top:1px solid rgba(6,18,50,0.04);
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:18px;
  align-items:flex-start;
}
@media (max-width:780px){
  .footer-grid{grid-template-columns:1fr;gap:12px}
}
.foot-col h4{margin:0 0 8px 0}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--accent-1)}
.footer-bottom{
  border-top:1px solid rgba(6,18,50,0.03);
  margin-top:18px;
  padding-top:12px;
}
.footer-bottom-inner{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
}
@media (max-width:560px){
  .footer-bottom-inner{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* Social follow text + icons */
.follow-text{
  font-size:12px;
  color:var(--muted);
  margin:0 0 10px 0;
  font-style:italic;
}
.footer-links.socials .icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:20px;
  height:20px;
  border-radius:999px;
  margin-right:8px;
  font-size:11px;
  font-weight:700;
  background:rgba(4,38,75,0.08);
}
.footer-links.socials .icon.yt{background:#ff0000;color:#fff}
.footer-links.socials .icon.fb{background:#1877f2;color:#fff}
.footer-links.socials .icon.tg{background:#0088cc;color:#fff}
.footer-links.socials .icon.x{background:#000;color:#fff}

/* Utilities */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}
.ref-id{font-family:monospace;font-weight:700}

/* Responsive tweaks */
@media (max-width:480px){
  .container{padding:12px}
  .brand-title{font-size:18px}
  .nav-desktop{display:none}
  .hamburger{display:block}
}