* { box-sizing: border-box; }

:root {
  --bg: #ffffff;
  --soft: #f5f7fb;
  --text: #0b1220;
  --muted: #647084;
  --line: #e5e9f0;
  --primary: #155eef;
  --primary-dark: #0b46c9;
  --card: #111827;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(15, 23, 42, .12);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(229,233,240,.8);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.5px;
}

.logo > span:last-child > span { color: var(--primary); }

.logo-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: white;
  background: var(--primary);
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover { color: var(--primary); }

.nav-cta {
  padding: 10px 16px;
  border-radius: 10px;
  color: white !important;
  background: var(--text);
}

.menu-toggle { display: none; border: 0; background: transparent; font-size: 25px; }

.hero {
  padding: 90px 0 100px;
  background:
    radial-gradient(circle at 80% 20%, rgba(21,94,239,.12), transparent 32%),
    linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 70px;
}

.eyebrow {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.6px;
  margin-bottom: 14px;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -3px;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -1.7px;
}

h3 { margin-bottom: 8px; font-size: 20px; }

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 18px; }

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 750;
  font-size: 14px;
  transition: .2s ease;
}

.button-primary { color: white; background: var(--primary); }
.button-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.button-secondary { border: 1px solid var(--line); background: white; }
.button-secondary:hover { border-color: #b8c0ce; }

.hero-note { color: #7a8494; font-size: 13px; }

.hero-card {
  padding: 28px;
  min-height: 390px;
  border-radius: 24px;
  color: white;
  background: linear-gradient(145deg, #172033, #080d17);
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.card-top, .card-footer { display: flex; justify-content: space-between; align-items: center; }
.card-top { font-size: 12px; letter-spacing: 1.4px; opacity: .8; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: #64d6a0; }
.balance-label { margin-top: 80px; color: #aeb8c8; font-size: 13px; }
.balance { margin-top: 6px; font-size: 44px; font-weight: 750; letter-spacing: -2px; }
.balance span { color: #8994a6; }
.growth { margin-top: 8px; font-size: 14px; color: #77d5a3; }
.growth small { color: #7d8798; }
.mini-chart { height: 90px; margin: 28px 0; display: flex; align-items: end; gap: 7px; }
.mini-chart span { flex: 1; border-radius: 5px 5px 0 0; background: rgba(255,255,255,.18); }
.mini-chart span:nth-child(1) { height: 22%; }
.mini-chart span:nth-child(2) { height: 32%; }
.mini-chart span:nth-child(3) { height: 28%; }
.mini-chart span:nth-child(4) { height: 42%; }
.mini-chart span:nth-child(5) { height: 38%; }
.mini-chart span:nth-child(6) { height: 55%; }
.mini-chart span:nth-child(7) { height: 48%; }
.mini-chart span:nth-child(8) { height: 70%; }
.mini-chart span:nth-child(9) { height: 64%; }
.mini-chart span:nth-child(10) { height: 86%; }
.card-footer { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); color: #aeb8c8; font-size: 11px; }

.section { padding: 100px 0; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading p, .security-grid p, .about-grid p { color: var(--muted); font-size: 17px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.icon { margin-bottom: 45px; color: var(--primary); font-size: 13px; font-weight: 800; }

.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 100px 1fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.step > span { color: var(--primary); font-weight: 800; }
.step p { margin-bottom: 0; color: var(--muted); }

.security-grid, .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.security-list { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: white; }
.security-list div { padding: 24px; display: grid; gap: 5px; border-bottom: 1px solid var(--line); }
.security-list div:last-child { border-bottom: 0; }
.security-list span { color: var(--muted); font-size: 14px; }

.about-number {
  min-height: 330px;
  display: grid;
  place-items: center;
  border-radius: 24px;
  color: white;
  background: var(--card);
  font-size: 100px;
  font-weight: 850;
  letter-spacing: -8px;
}

.contact-section { padding-top: 80px; }
.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 50px;
  border-radius: 24px;
  background: #eef4ff;
}
.contact-card h2 { max-width: 650px; margin-bottom: 10px; }
.contact-card p { margin-bottom: 0; color: var(--muted); }

.site-footer { padding: 50px 0; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; }
.footer-logo { margin-bottom: 10px; }
.site-footer p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 20px; font-size: 13px; font-weight: 650; }
.footer-links a:hover { color: var(--primary); }
.copyright { grid-column: 1 / -1; color: #8993a3; font-size: 12px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 800px) {
  .container { width: min(100% - 28px, 1120px); }
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 14px;
    right: 14px;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: white;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px; }
  .hero { padding: 60px 0 70px; }
  .hero-grid, .security-grid, .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { transform: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .contact-card { padding: 32px; align-items: flex-start; flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }
  .copyright { grid-column: auto; }
}

@media (max-width: 480px) {
  h1 { letter-spacing: -2px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .balance { font-size: 36px; }
}