.keyword-tool-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  color: #0f172a;
}

.keyword-tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.8fr);
  gap: 1rem;
}

.keyword-tool-hero__copy,
.keyword-tool-hero__links,
.keyword-tool-card,
.keyword-tool-faq,
.keyword-tool-cta {
  border: 1px solid #d7e0ea;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.08);
}

.keyword-tool-hero__copy {
  padding: 2.4rem;
  background:
    radial-gradient(circle at top left, rgba(40, 104, 167, 0.16), transparent 35%),
    linear-gradient(135deg, #0f172a, #174267 60%, #2868a7);
  color: #ffffff;
}

.keyword-tool-eyebrow {
  margin: 0 0 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  color: #2868a7;
}

.keyword-tool-hero__copy .keyword-tool-eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.keyword-tool-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.04;
}

.keyword-tool-hero__lead,
.keyword-tool-hero__intro {
  max-width: 820px;
  line-height: 1.7;
}

.keyword-tool-hero__lead {
  margin: 1rem 0 0;
  font-size: 1.06rem;
  color: rgba(255, 255, 255, 0.92);
}

.keyword-tool-hero__intro {
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.82);
}

.keyword-tool-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.3rem;
}

.keyword-tool-hero__meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.keyword-tool-hero__links,
.keyword-tool-card,
.keyword-tool-faq,
.keyword-tool-cta {
  padding: 1.5rem;
}

.keyword-tool-hero__links h2,
.keyword-tool-card__header h2,
.keyword-tool-card__header h3,
.keyword-tool-section-heading h2,
.keyword-tool-cta h2,
.keyword-tool-empty-state h3 {
  margin-top: 0;
}

.keyword-tool-hero__links ul,
.keyword-tool-checklist,
.keyword-tool-list {
  margin: 0;
  padding-left: 1.2rem;
}

.keyword-tool-hero__links li + li,
.keyword-tool-checklist li + li,
.keyword-tool-list li + li {
  margin-top: 0.65rem;
}

.keyword-tool-hero__links a,
.keyword-tool-card__note a,
.keyword-tool-faq__item a {
  color: #174267;
  font-weight: 700;
}

.keyword-tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.8fr);
  gap: 1rem;
  margin-top: 1.4rem;
}

.keyword-tool-card__header p:last-child,
.keyword-tool-card__note,
.keyword-tool-section-heading p,
.keyword-tool-faq__item p,
.keyword-tool-cta__copy p:last-child {
  color: #475569;
  line-height: 1.65;
}

.keyword-tool-form {
  margin-top: 1rem;
}

.keyword-tool-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
}

.keyword-tool-form__field {
  display: grid;
  gap: 0.5rem;
}

.keyword-tool-form__field--wide {
  grid-column: 1 / -1;
}

.keyword-tool-form__field span {
  font-weight: 700;
}

.keyword-tool-form input,
.keyword-tool-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 18px;
  background: #f8fafc;
  font: inherit;
  color: #0f172a;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

.keyword-tool-form textarea {
  min-height: 120px;
  resize: vertical;
}

.keyword-tool-form textarea[data-keyword-content] {
  min-height: 320px;
}

.keyword-tool-form input:focus,
.keyword-tool-form textarea:focus,
.keyword-tool-btn:focus,
.keyword-tool-form__toggle input:focus,
.keyword-tool-faq__item summary:focus,
.keyword-tool-hero__links a:focus,
.keyword-tool-card__note a:focus {
  outline: 3px solid rgba(40, 104, 167, 0.18);
  outline-offset: 2px;
  border-color: #2868a7;
}

.keyword-tool-form small {
  color: #64748b;
  line-height: 1.45;
}

.keyword-tool-form__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1rem;
  font-weight: 700;
}

.keyword-tool-form__toggle input {
  width: 18px;
  height: 18px;
}

.keyword-tool-form__actions,
.keyword-tool-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.keyword-tool-form__actions {
  margin-top: 1rem;
}

.keyword-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.keyword-tool-btn:hover {
  transform: translateY(-1px);
}

.keyword-tool-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.keyword-tool-btn--primary {
  background: #2868a7;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(40, 104, 167, 0.18);
}

.keyword-tool-btn--ghost {
  background: #ffffff;
  color: #174267;
  border-color: #cbd5e1;
}

.keyword-tool-form__error {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.keyword-tool-form__error p {
  margin: 0;
}

.keyword-tool-form__error p + p {
  margin-top: 0.35rem;
}

.keyword-tool-checklist {
  color: #334155;
  line-height: 1.6;
}

.keyword-tool-results {
  margin-top: 1.5rem;
}

.keyword-tool-result-stack {
  display: grid;
  gap: 1rem;
}

.keyword-tool-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.keyword-tool-summary__item {
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid #d7e0ea;
  background:
    radial-gradient(circle at top left, rgba(40, 104, 167, 0.08), transparent 40%),
    #f8fafc;
}

.keyword-tool-summary__label {
  margin: 0;
  color: #475569;
  font-size: 0.9rem;
}

.keyword-tool-summary__value {
  margin: 0.35rem 0 0;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 800;
  line-height: 1.1;
  color: #0f172a;
}

.keyword-tool-summary__hint {
  margin: 0.45rem 0 0;
  color: #64748b;
  line-height: 1.45;
  font-size: 0.9rem;
}

.keyword-tool-summary__item--score {
  background:
    radial-gradient(circle at top left, rgba(22, 163, 74, 0.14), transparent 40%),
    #f8fafc;
}

.keyword-tool-summary__item--score[data-status="needs-work"] {
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.16), transparent 40%),
    #f8fafc;
}

.keyword-tool-summary__item--score[data-status="poor"] {
  background:
    radial-gradient(circle at top left, rgba(220, 38, 38, 0.16), transparent 40%),
    #f8fafc;
}

.keyword-tool-table-wrap {
  overflow-x: auto;
}

.keyword-tool-table {
  width: 100%;
  border-collapse: collapse;
}

.keyword-tool-table th,
.keyword-tool-table td {
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
  vertical-align: top;
}

.keyword-tool-table th {
  color: #475569;
  font-size: 0.92rem;
}

.keyword-tool-table td {
  color: #0f172a;
}

.keyword-tool-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 82px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.keyword-tool-badge--pass,
.keyword-tool-badge--excellent,
.keyword-tool-badge--good {
  background: #ecfdf5;
  color: #166534;
  border-color: #86efac;
}

.keyword-tool-badge--warn,
.keyword-tool-badge--needs-work {
  background: #fffbeb;
  color: #a16207;
  border-color: #fcd34d;
}

.keyword-tool-badge--fail,
.keyword-tool-badge--poor {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fca5a5;
}

.keyword-tool-grid-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.keyword-tool-list {
  color: #334155;
  line-height: 1.65;
}

.keyword-tool-list__empty,
.keyword-tool-secondary__empty {
  list-style: none;
  margin-left: -1.2rem;
  margin: 0;
  color: #64748b;
  line-height: 1.6;
}

.keyword-tool-secondary {
  display: grid;
  gap: 0.8rem;
}

.keyword-tool-secondary__item {
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid #d7e0ea;
  background: #f8fafc;
}

.keyword-tool-secondary__item h4 {
  margin: 0;
  font-size: 1rem;
  color: #0f172a;
}

.keyword-tool-secondary__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.keyword-tool-secondary__meta span {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid #d7e0ea;
  background: #ffffff;
  color: #334155;
  font-size: 0.84rem;
}

.keyword-tool-faq,
.keyword-tool-cta {
  margin-top: 1.5rem;
}

.keyword-tool-faq__list {
  display: grid;
  gap: 0.85rem;
}

.keyword-tool-faq__item {
  border: 1px solid #d7e0ea;
  border-radius: 18px;
  padding: 0 1rem;
  background: #ffffff;
}

.keyword-tool-faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 0;
  font-weight: 700;
  color: #0f172a;
}

.keyword-tool-faq__item summary::-webkit-details-marker {
  display: none;
}

.keyword-tool-faq__item p {
  margin: 0 0 1rem;
}

.keyword-tool-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(40, 104, 167, 0.08), transparent 40%),
    #ffffff;
}

@media (max-width: 960px) {
  .keyword-tool-hero,
  .keyword-tool-layout,
  .keyword-tool-summary,
  .keyword-tool-grid-panels,
  .keyword-tool-cta {
    grid-template-columns: 1fr;
  }

  .keyword-tool-form__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .keyword-tool-shell {
    padding: 1.8rem 0.95rem 3rem;
  }

  .keyword-tool-hero__copy,
  .keyword-tool-hero__links,
  .keyword-tool-card,
  .keyword-tool-faq,
  .keyword-tool-cta {
    padding: 1.2rem;
  }

  .keyword-tool-form textarea[data-keyword-content] {
    min-height: 260px;
  }
}