:root {
  --navy: #071223;
  --nav-height: 72px;
  --sky: #4a9fd4;
  --sky-light: #7ec8e3;
  --accent: #f0a500;
  --white: #fff;
  --glass: rgba(255, 255, 255, 0.06);
  --shadow: 0 12px 40px rgba(2, 8, 20, 0.45);
  --logo-size: 72px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #021124 0%, #06182b 100%);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  padding: calc(var(--nav-height) + 32px) 6vw 48px;
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

#donate {
  max-width: 1050px;
  margin: 0 auto;
  width: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 16px 48px rgba(2, 8, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.donate-inner {
  text-align: left;
  color: rgba(255, 255, 255, 0.95);
}

.section-label {
  display: inline-block;
  color: var(--sky-light);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin: 0 0 14px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

.section-desc {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 780px;
  margin: 0 0 28px;
}

.qr-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.qr-image-wrap {
  background: #ffffff;
  padding: 18px;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.qr-img {
  width: 210px;
  height: 210px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}

.qr-caption {
  margin-top: 12px;
  color: #062433;
  font-weight: 700;
  font-size: 0.95rem;
  font-family: monospace, sans-serif;
  background: rgba(74, 159, 212, 0.15);
  padding: 6px 14px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  word-break: break-all;
}

.bank-details {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1rem;
  line-height: 1.6;
}

.bank-details p {
  margin: 10px 0;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.bank-details p:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.bank-details strong {
  color: var(--sky-light);
  font-weight: 700;
  min-width: 140px;
  display: inline-block;
}

.tax-notice {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
}

@media (max-width: 900px) {
  main {
    padding: calc(var(--nav-height) + 24px) 4vw 40px;
  }

  #donate {
    padding: 32px 24px;
  }

  .qr-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 20px;
  }

  .qr-image-wrap {
    max-width: 250px;
    margin: 0 auto;
    width: 100%;
  }

  .bank-details {
    text-align: left;
  }
}

@media (max-width: 480px) {
  main {
    padding: calc(var(--nav-height) + 16px) 16px 32px;
  }

  #donate {
    padding: 20px 16px;
    border-radius: 14px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-desc {
    font-size: 0.92rem;
    margin-bottom: 20px;
  }

  .qr-card {
    padding: 16px;
    border-radius: 12px;
  }

  .qr-img {
    width: 170px;
    height: 170px;
  }

  .bank-details p {
    font-size: 0.92rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .bank-details strong {
    min-width: 0;
  }
}