:root {
  --brand-primary: #1b4ef5;
  --brand-secondary: #05c7c2;
  --brand-dark: #0b1b3a;
  --brand-accent: #f4b905;
  --surface: #ffffff;
  --surface-muted: rgba(255, 255, 255, 0.08);
  --text-primary: #0e1726;
  --text-muted: #6c7e9c;
  --border: rgba(14, 23, 38, 0.12);
  --success: #15803d;
  --danger: #c02b2b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(27, 78, 245, 0.2), transparent 50%),
    radial-gradient(circle at 20% 20%, rgba(5, 199, 194, 0.2), transparent 35%),
    linear-gradient(180deg, #eef2ff 0%, #f9fbff 55%, #f7f7f9 100%);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(24px, 5vw, 72px);
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(14, 23, 38, 0.05);
  z-index: 10;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 16px;
  font-weight: 600;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(27, 78, 245, 0.08);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.9rem;
  color: var(--brand-primary);
}

.hero {
  padding: clamp(48px, 10vw, 120px) clamp(24px, 6vw, 96px);
  text-align: left;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.7rem);
  margin-bottom: 16px;
  color: var(--brand-dark);
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-card {
  background: var(--surface);
  border-radius: 32px;
  padding: 32px;
  box-shadow: 0 35px 80px rgba(15, 23, 42, 0.12);
  transform: rotate(-1deg);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  border: none;
  border-radius: 14px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.18);
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #ffffff;
}

.btn.secondary {
  background: rgba(27, 78, 245, 0.08);
  color: var(--brand-primary);
}

.btn.full {
  width: 100%;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  padding: 0 clamp(24px, 7vw, 120px);
}

.stat-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.stat-card h3 {
  margin: 0;
  font-size: 2rem;
}

.stat-card p {
  margin: 6px 0 0;
  color: var(--text-muted);
}

.feature-grid {
  padding: 72px clamp(24px, 6vw, 96px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.06);
}

.feature-card h3 {
  margin-top: 12px;
  margin-bottom: 12px;
}

.timeline {
  padding: 40px clamp(24px, 6vw, 96px) 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.timeline-step {
  background: rgba(27, 78, 245, 0.04);
  border-radius: 18px;
  padding: 24px;
}

.timeline-step span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  color: var(--brand-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.auth {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}

.auth-wrapper {
  background: var(--surface);
  border-radius: 32px;
  padding: clamp(32px, 6vw, 56px);
  width: min(460px, 100%);
  box-shadow: 0 45px 90px rgba(15, 23, 42, 0.12);
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  font-size: 1rem;
  background: rgba(14, 23, 38, 0.02);
}

input:disabled {
  opacity: 0.7;
}

.banner {
  margin-bottom: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(27, 78, 245, 0.12);
  color: var(--brand-dark);
}

.banner.error {
  background: rgba(192, 43, 43, 0.15);
  color: var(--danger);
}

.banner.success {
  background: rgba(21, 128, 61, 0.18);
  color: var(--success);
}

.dashboard-nav {
  margin-bottom: 32px;
}

.dashboard-grid {
  padding: 0 clamp(24px, 6vw, 96px) 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.dashboard-card {
  background: var(--surface);
  border-radius: 26px;
  padding: 28px;
  box-shadow: 0 32px 60px rgba(15, 23, 42, 0.12);
}

.balance-card .saldo {
  font-size: 3rem;
  margin: 12px 0 4px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.info-chip {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 12px;
  font-size: 0.95rem;
}

.transfer-card label {
  color: var(--text-muted);
}

.transfer-card button {
  margin-top: 8px;
}

.logout-form button {
  background: transparent;
  border: 1px solid rgba(14, 23, 38, 0.3);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 10px 22px;
  cursor: pointer;
}

.transfer-card input::-webkit-outer-spin-button,
.transfer-card input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.transfer-card input[type='number'] {
  appearance: textfield;
  -moz-appearance: textfield;
}

@media (max-width: 720px) {
  .navbar {
    flex-direction: column;
    gap: 12px;
  }
  .cta {
    flex-direction: column;
  }
  .hero-card {
    transform: none;
  }
}