:root {
  --bg: #f5efe2;
  --bg-deep: #e7dcc4;
  --card: rgba(255, 255, 255, 0.78);
  --ink: #182126;
  --ink-soft: #3f4a53;
  --line: rgba(24, 33, 38, 0.15);
  --accent: #0d8b7a;
  --accent-2: #c64a1d;
  --novice: #117f54;
  --intermediate: #9c6d0f;
  --advanced: #ad2f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, rgba(198, 74, 29, 0.16), transparent 30%),
    radial-gradient(circle at 90% 90%, rgba(13, 139, 122, 0.2), transparent 32%),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
}

.layout {
  max-width: 1500px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 18px;
}

.hero,
.controls,
.results {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.summary {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.summary-item {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.7);
}

.controls {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

label {
  display: grid;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
}

input,
select {
  font: inherit;
  color: inherit;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  background: rgba(255, 255, 255, 0.9);
}

.results-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.results-head h2 {
  margin: 0;
}

.results-head p {
  margin: 0;
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 14px;
}

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
}

.service-card,
.empty-state {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(24, 33, 38, 0.05);
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.card-head h3 {
  margin: 4px 0 0;
  font-size: 18px;
  line-height: 1.25;
}

.card-slug {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.tag.positive {
  border-color: rgba(17, 127, 84, 0.25);
  color: var(--novice);
  background: rgba(17, 127, 84, 0.08);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 0;
}

.metrics div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.7);
}

.metrics dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.metrics dd {
  margin: 6px 0 0;
  font-size: 22px;
  font-weight: 700;
}

.secondary-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.secondary-metrics dd {
  font-size: 16px;
}

.card-comment {
  margin: 16px 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
  min-height: 66px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-details {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.card-details summary {
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.card-details p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.card-footer {
  margin-top: 14px;
}

.card-link {
  font-weight: 600;
}

.muted {
  color: var(--ink-soft);
}

.level {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  min-width: 110px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.level.novice {
  color: var(--novice);
}

.level.intermediate {
  color: var(--intermediate);
}

.level.advanced {
  color: var(--advanced);
}

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

a:hover {
  text-decoration: underline;
}

@media (max-width: 760px) {
  .layout {
    padding: 12px;
  }

  .hero,
  .controls,
  .results {
    padding: 12px;
    border-radius: 10px;
  }

  .results-head {
    align-items: start;
    flex-direction: column;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .secondary-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: 1fr;
  }
}