* {
  box-sizing: border-box;
}

:root {
  --accent: #0b65b9;
  --ink: #20242a;
  --line: #cfd5dc;
  --muted: #4f5661;
}

html {
  min-height: 100%;
  background: var(--accent);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--accent);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.32;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.phone-shell {
  width: 100%;
  max-width: 590px;
  min-height: 100vh;
  margin: 0 auto;
  padding-top: 44px;
  padding-bottom: 28px;
  overflow: hidden;
}

.certificate-card {
  width: 100%;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 -10px 26px rgba(15, 23, 42, 0.14);
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin: 34px 24px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  min-width: 0;
  overflow: hidden;
}

.brand {
  min-width: 0;
}

.brand-logo {
  display: block;
  width: min(210px, 100%);
  height: auto;
}

.brand-icon {
  display: grid;
  width: 54px;
  height: 46px;
  place-items: center;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  font-size: clamp(17px, 3.7vw, 24px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
  text-align: right;
  text-transform: uppercase;
  white-space: nowrap;
}

h2 {
  margin: 30px 24px 21px;
  color: var(--ink);
  font-size: clamp(17px, 3.7vw, 20px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
}

.details {
  margin: 0 24px;
  overflow: hidden;
}

.detail-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.92fr) minmax(0, 1.08fr);
  gap: 12px;
  min-height: 52px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  width: 100%;
}

.detail-row > * {
  min-width: 0;
}

.detail-row.tall {
  min-height: 76px;
  align-items: start;
  padding-top: 10px;
  padding-bottom: 10px;
}

.detail-row span {
  color: var(--ink);
  font-size: clamp(14px, 3vw, 17px);
  font-weight: 400;
}

.detail-row strong {
  color: var(--ink);
  font-size: clamp(14px, 3vw, 17px);
  font-weight: 700;
  line-height: 1.28;
  text-align: right;
  text-transform: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.bank-name {
  line-height: 1.16;
}

footer {
  margin: 12px 24px 0;
  padding: 0 14px 40px;
  color: #0b0f17;
  text-align: center;
}

footer p {
  margin: 2px 0;
  font-size: clamp(11px, 2.6vw, 14px);
  line-height: 1.28;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer-address {
  margin-top: 12px;
}

.footer-gap {
  margin-top: 9px;
}

.validity {
  margin-top: 0;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--accent);
  font-size: clamp(12px, 2.9vw, 15px);
  line-height: 1.28;
}

.portal-card {
  min-height: auto;
  padding-bottom: 40px;
}

.portal-card h1 {
  margin: 32px 24px 12px;
  text-align: left;
  white-space: normal;
}

.portal-message {
  margin: 0 24px;
  color: var(--muted);
  font-size: 16px;
}

@media (max-width: 560px) {
  body {
    background: var(--accent);
  }

  .phone-shell {
    width: 100%;
    padding-top: 44px;
  }

  .certificate-card {
    border-radius: 18px;
  }

  .topbar {
    grid-template-columns: minmax(0, 52%) minmax(0, 48%);
    gap: 8px;
    margin: 34px 23px 0;
  }

  .brand-logo {
    width: 100%;
    max-width: 166px;
  }

  h1 {
    font-size: clamp(13px, 3.2vw, 17px);
    white-space: normal;
    overflow-wrap: anywhere;
  }

  h2 {
    margin: 28px 24px 17px;
    font-size: clamp(15px, 4vw, 18px);
  }

  .details {
    margin: 0 23px;
  }

  .detail-row {
    grid-template-columns: minmax(0, 45%) minmax(0, 55%);
    gap: 8px;
    min-height: 48px;
  }

  .detail-row span,
  .detail-row strong {
    font-size: clamp(13px, 3.35vw, 15px);
  }

  .detail-row.tall {
    min-height: 72px;
  }

  footer {
    margin: 12px 23px 0;
    padding-left: 8px;
    padding-right: 8px;
  }

  footer p {
    font-size: clamp(10.5px, 3vw, 13px);
  }
}

@media (max-width: 380px) {
  .topbar {
    margin-left: 18px;
    margin-right: 18px;
  }

  .brand-logo {
    max-width: 150px;
  }

  h1 {
    font-size: 14px;
  }

  h2 {
    margin-left: 18px;
    margin-right: 18px;
    font-size: 16px;
  }

  .details {
    margin-left: 18px;
    margin-right: 18px;
  }

  .detail-row {
    gap: 8px;
  }

  .detail-row span,
  .detail-row strong {
    font-size: 12.5px;
  }

  footer {
    margin-left: 18px;
    margin-right: 18px;
    padding-left: 0;
    padding-right: 0;
  }

  footer p {
    font-size: 10.5px;
  }
}