.certificate-proof-story {
  position: relative;
  overflow: hidden;
  padding: 92px 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(18, 152, 245, .12), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.certificate-proof-story__head {
  max-width: 850px;
  margin: 0 auto 38px;
  text-align: center;
}

.certificate-proof-story__head h2 {
  margin: 14px 0;
  color: #071f3f;
  font-size: clamp(2.25rem, 4.4vw, 4.4rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.04em;
}

.certificate-proof-story__head p {
  margin: 0;
  color: #5b7289;
  font-size: 1.08rem;
  line-height: 1.75;
}

.certificate-proof-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr);
  gap: 34px;
  align-items: stretch;
}

.certificate-evidence-panel,
.certificate-reading-panel {
  border: 1px solid #d8e6f3;
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(7, 37, 91, .11);
}

.certificate-evidence-panel {
  padding: 30px;
  background: #fff;
}

.certificate-evidence-panel h3,
.certificate-reading-panel h3 {
  margin: 0;
  color: #071f3f;
  font-size: 1.55rem;
  font-weight: 900;
}

.certificate-evidence-panel > p,
.certificate-reading-panel > p {
  margin: 10px 0 0;
  color: #60768d;
  line-height: 1.65;
}

.certificate-evidence-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.certificate-evidence-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 15px;
  border: 1px solid #dce8f3;
  border-radius: 18px;
  background: #f8fbff;
}

.certificate-evidence-item i {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #1298f5, #36b76d);
  font-size: 20px;
}

.certificate-evidence-item strong,
.certificate-evidence-item span {
  display: block;
}

.certificate-evidence-item strong {
  color: #102a49;
  font-size: 1rem;
}

.certificate-evidence-item span {
  margin-top: 3px;
  color: #688097;
  font-size: .88rem;
}

.certificate-evidence-item b {
  padding: 7px 10px;
  border-radius: 999px;
  color: #147345;
  background: #eaf9f0;
  font-size: .72rem;
  text-transform: uppercase;
  white-space: nowrap;
}

.certificate-document-preview {
  position: relative;
  min-height: 340px;
  margin-top: 25px;
  overflow: hidden;
  border: 1px solid #d8e6f3;
  border-radius: 22px;
  background: #061426;
}

.certificate-document-preview img {
  width: 100%;
  height: 340px;
  display: block;
  object-fit: cover;
  object-position: top;
  opacity: .92;
}

.certificate-document-preview__stamp {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  color: #fff;
  background: rgba(4, 25, 47, .88);
  font-size: .78rem;
  font-weight: 900;
  backdrop-filter: blur(12px);
}

.certificate-sample-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.certificate-sample-actions a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid #cbddec;
  border-radius: 999px;
  color: #0c477b;
  background: #fff;
  font-weight: 900;
  text-decoration: none;
}

.certificate-sample-actions a:first-child {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, #1298f5, #36b76d);
}

.certificate-reading-panel {
  padding: 30px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 0%, rgba(62, 213, 138, .22), transparent 32%),
    linear-gradient(145deg, #061426, #0a2c51 60%, #07474d);
}

.certificate-reading-panel h3 {
  color: #fff;
}

.certificate-reading-panel > p {
  color: #caddf0;
}

.certificate-range-example {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 24px 0 20px;
}

.certificate-range-stat {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 20px;
  background: rgba(255, 255, 255, .08);
}

.certificate-range-stat strong,
.certificate-range-stat span {
  display: block;
}

.certificate-range-stat strong {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1;
}

.certificate-range-stat span {
  margin-top: 8px;
  color: #bcd2e7;
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.certificate-range-example > i {
  color: #75e3aa;
  font-size: 22px;
}

.certificate-range-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.certificate-range-scale div {
  min-width: 0;
  text-align: center;
}

.certificate-range-scale b {
  height: 9px;
  display: block;
  border-radius: 99px;
  background: linear-gradient(90deg, #1298f5, #70bd43);
}

.certificate-range-scale div:nth-child(1) b { opacity: .2; }
.certificate-range-scale div:nth-child(2) b { opacity: .4; }
.certificate-range-scale div:nth-child(3) b { opacity: .6; }
.certificate-range-scale div:nth-child(4) b { opacity: .8; }
.certificate-range-scale div:nth-child(5) b { opacity: 1; }

.certificate-range-scale strong,
.certificate-range-scale span {
  display: block;
}

.certificate-range-scale strong {
  margin-top: 7px;
  color: #fff;
  font-size: .8rem;
}

.certificate-range-scale span {
  color: #9fb6cc;
  font-size: .67rem;
}

.certificate-reading-note {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid rgba(125, 211, 252, .25);
  border-radius: 18px;
  color: #d9e9f8;
  background: rgba(18, 152, 245, .1);
  line-height: 1.6;
}

.certificate-warranty-proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.certificate-warranty-proof div {
  padding: 15px;
  border: 1px solid rgba(112, 189, 67, .25);
  border-radius: 17px;
  background: rgba(112, 189, 67, .1);
}

.certificate-warranty-proof strong,
.certificate-warranty-proof span {
  display: block;
}

.certificate-warranty-proof strong {
  color: #fff;
}

.certificate-warranty-proof span {
  margin-top: 4px;
  color: #bcd2e7;
  font-size: .8rem;
}

@media (max-width: 991px) {
  .certificate-proof-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .certificate-proof-story {
    padding: 62px 0;
  }

  .certificate-evidence-panel,
  .certificate-reading-panel {
    padding: 21px;
    border-radius: 24px;
  }

  .certificate-evidence-item {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .certificate-evidence-item i {
    width: 46px;
    height: 46px;
  }

  .certificate-evidence-item b {
    grid-column: 2;
    justify-self: start;
  }

  .certificate-range-example {
    grid-template-columns: 1fr;
  }

  .certificate-range-example > i {
    transform: rotate(90deg);
    justify-self: center;
  }

  .certificate-range-scale {
    gap: 3px;
  }

  .certificate-range-scale strong {
    font-size: .68rem;
  }

  .certificate-range-scale span {
    font-size: .58rem;
  }

  .certificate-warranty-proof {
    grid-template-columns: 1fr;
  }

  .certificate-sample-actions a {
    width: 100%;
  }
}