:root {
  --blue: #1d4ed8;
  --light-blue: #60a5fa;
  --bright: #eff6ff;
  --dark: #0f172a;
  --text: #1e3a5f;
  --muted: #4b6e92;
  --card-bg: #ffffff;
  --radius: 8px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Cascadia Mono", monospace;
  background: var(--bright);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}
header {
  text-align: center;
  padding: 72px 24px 56px;
  position: relative;
}
h1 {
  font-family: "Cascadia Mono", monospace;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 18px;
  animation: rise 0.6s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
}
h1 span.accent {
  color: var(--blue);
}
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px 80px;
}
section {
  margin-bottom: 48px;

  h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: "Cascadia Mono", monospace;
    font-size: 1.7rem;
    font-weight: 800;
    margin-bottom: 20px;
    margin-top: 60px;

    .icon {
      font-size: 1.5rem;
      background: var(--blue);
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      flex-shrink: 0;
      box-shadow: 0 4px 12px #93c5fd66;
    }
  }
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 16px;
  box-shadow: 0 2px 16px #1d4ed810;
  border: 1.5px solid #dbeafe;
  transition:
    transform 0.15s,
    box-shadow 0.15s;

  p {
    line-height: 1.4;
    color: var(--text);
  }
  p + p {
    margin-top: 12px;
  }
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px #1d4ed820;
}

.steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 14px;

  > .card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 22px 26px;
    border: 1.5px solid #dbeafe;
    box-shadow: 0 2px 12px #1d4ed810;
    transition: transform 0.15s;

    &::before {
      counter-increment: step;
      content: counter(step);
      font-family: "Cascadia Mono", monospace;
      font-size: 1.2rem;
      font-weight: 800;
      color: #fff;
      background: var(--blue);
      min-width: 40px;
      height: 40px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      box-shadow: 0 4px 10px #60a5fa40;
      flex-shrink: 0;
    }
  }
}

.encryption {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
.encryption-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  display: block;
}
@media (max-width: 560px) {
  .enryption {
    grid-template-columns: 1fr;
  }
}
.warning-box {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 1.5px solid #fcd34d;
  border-radius: var(--radius);
  padding: 20px 26px;
  margin-bottom: 16px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  grid-column: 1 / -1;

  .warn-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
  }
}
.space-description {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1.5px solid #93c5fd;
  grid-column: 1 / -1;
}

.verify-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 16px;

  .completed {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    border: 1.5px solid #6ee7b7;
    color: var(--text);
    grid-column: 1 / -1;
  }
}

.info {
  background: var(--muted);
  color: var(--text);
  grid-column: 1 / -1;

  p {
    color: var(--bright);
  }
}
@media (max-width: 560px) {
  .verify-flow {
    grid-template-columns: 1fr;
  }
}