:root {
  --color-black-teal: #091d20;
  --color-deep-teal: #093c44;
  --color-dark-teal: #115e6e;
  --color-light-teal: #2f8d98;
  --color-bright-teal: #c7dee0;
  --color-white-teal: #f3fafc;
  --color-green: #b5cd34;
  --color-orange: #f7941e;
  --color-a11y-orange: #a84c2a;
  --color-dark-gray: #414042;
  --color-light-gray: #6d6e71;
  --color-white: #ffffff;
  --shadow-soft: 0 18px 45px rgba(9, 29, 32, 0.12);
  --shadow-card: 0 10px 28px rgba(9, 29, 32, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Figtree', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-black-teal);
  background:
    radial-gradient(circle at top left, rgba(199, 222, 224, 0.72), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--color-white-teal) 42%, #eef7f8 100%);
  min-height: 100vh;
}

body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--color-dark-teal);
}

a:hover {
  color: var(--color-a11y-orange);
}

:focus-visible {
  outline: 3px solid rgba(247, 148, 30, 0.85);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 1000;
  transform: translateY(-160%);
  background: var(--color-deep-teal);
  color: var(--color-white);
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  padding: 3rem 1rem 2rem;
}

.header-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(9, 60, 68, 0.95), rgba(17, 94, 110, 0.95)),
    radial-gradient(circle at 100% 0%, rgba(181, 205, 52, 0.35), transparent 20rem);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  position: relative;
}

.header-shell::after {
  content: '';
  position: absolute;
  width: 18rem;
  height: 18rem;
  right: -7rem;
  bottom: -11rem;
  border-radius: 50%;
  background: rgba(181, 205, 52, 0.22);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.3rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.site-subtitle {
  margin: 1.25rem 0 0;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 2.2vw, 1.24rem);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
  max-width: 780px;
  position: relative;
  z-index: 1;
}

.stat-card {
  min-height: 104px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(8px);
}

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-white);
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 600;
}

.controls {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 1.5rem;
  padding: 1.25rem;
  border: 1px solid rgba(199, 222, 224, 0.9);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 26px rgba(9, 29, 32, 0.07);
}

.controls-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.controls h2 {
  margin: 0;
  color: var(--color-deep-teal);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  letter-spacing: -0.02em;
}

.results-summary {
  margin: 0.2rem 0 0;
  color: var(--color-light-gray);
  font-weight: 600;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 0.85rem;
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-group label {
  color: var(--color-dark-teal);
  font-size: 0.84rem;
  font-weight: 800;
}

.filter-group select,
.filter-group input {
  width: 100%;
  min-height: 46px;
  padding: 0.64rem 0.78rem;
  border: 1px solid #b8c6c8;
  border-radius: var(--radius-sm);
  color: var(--color-black-teal);
  background-color: var(--color-white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-group select:hover,
.filter-group input:hover {
  border-color: var(--color-light-teal);
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--color-dark-teal);
  box-shadow: 0 0 0 4px rgba(47, 141, 152, 0.15);
  outline: none;
}

.use-type-group {
  min-width: 0;
  padding: 0;
  border: 0;
}

.use-type-group legend {
  margin-bottom: 0.35rem;
  color: var(--color-dark-teal);
  font-size: 0.84rem;
  font-weight: 800;
}

.use-type-options {
  display: flex;
  min-height: 46px;
  gap: 0.45rem;
  align-items: center;
  flex-wrap: wrap;
}

.checkbox-option {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 40px;
  padding: 0.5rem 0.72rem;
  border: 1px solid #b8c6c8;
  border-radius: 999px;
  color: var(--color-black-teal);
  background: var(--color-white);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 750;
}

.checkbox-option:hover,
.checkbox-option:focus-within {
  border-color: var(--color-light-teal);
  box-shadow: 0 0 0 4px rgba(47, 141, 152, 0.12);
}

.checkbox-option input {
  width: auto;
  min-height: 0;
  margin: 0;
  accent-color: var(--color-dark-teal);
}

.search-group {
  grid-column: span 2;
}

.cards-container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 1.15rem;
  border: 1px solid rgba(199, 222, 224, 0.95);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 141, 152, 0.7);
  box-shadow: 0 18px 36px rgba(9, 29, 32, 0.12);
}

.card h3 {
  margin: 0;
  color: var(--color-deep-teal);
  font-size: 1.14rem;
  line-height: 1.24;
  letter-spacing: -0.018em;
}

.card-meta,
.modal-meta {
  color: var(--color-light-gray);
  font-size: 0.92rem;
  font-weight: 700;
}

.card-meta {
  margin: 0.55rem 0 0;
}

.tag-row,
.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.36rem;
  margin-top: 0.8rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 0.28rem 0.58rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.2;
}

.tag-blue {
  color: #083747;
  background: #cdeef5;
}

.tag-gray {
  color: var(--color-white);
  background: var(--color-light-gray);
}

.tag-teal {
  color: var(--color-deep-teal);
  background: var(--color-bright-teal);
}

.tag-tool {
  color: #3a2a05;
  background: #fff0d8;
}

.card-description {
  margin: 0.95rem 0 1rem;
  color: var(--color-dark-gray);
  font-size: 0.96rem;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid #e2eef0;
}

.resource-count {
  color: var(--color-light-gray);
  font-size: 0.86rem;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.58rem 0.92rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--color-white);
  background: var(--color-dark-teal);
}

.button-primary:hover,
.button-primary:focus {
  background: var(--color-deep-teal);
}

.button-secondary {
  color: var(--color-deep-teal);
  background: var(--color-white);
  border-color: var(--color-bright-teal);
}

.button-secondary:hover,
.button-secondary:focus {
  background: var(--color-white-teal);
  border-color: var(--color-light-teal);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 2.5rem 1rem;
  border: 1px dashed var(--color-light-teal);
  border-radius: var(--radius-lg);
  text-align: center;
  background: rgba(255, 255, 255, 0.72);
}

.empty-state h3 {
  margin: 0;
  color: var(--color-deep-teal);
  font-size: 1.35rem;
}

.empty-state p {
  margin: 0.45rem auto 0;
  max-width: 460px;
  color: var(--color-light-gray);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(9, 29, 32, 0.72);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  width: min(920px, 100%);
  max-height: min(88vh, 980px);
  overflow-y: auto;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  margin: -0.35rem -0.35rem 0.5rem 0.5rem;
  border: 1px solid var(--color-bright-teal);
  border-radius: 50%;
  color: var(--color-deep-teal);
  background: var(--color-white);
  font-size: 1.65rem;
  line-height: 1;
}

.modal-close:hover {
  background: var(--color-white-teal);
}

#modalBody h2 {
  margin: 0 2.6rem 0 0;
  color: var(--color-deep-teal);
  font-size: clamp(1.55rem, 4vw, 2.25rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.modal-meta {
  margin: 0.7rem 0 0;
}

.modal-tag-row {
  margin: 1rem 0 1.35rem;
}

.modal-section {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid #e4eff1;
}

.modal-section h3 {
  margin: 0 0 0.55rem;
  color: var(--color-deep-teal);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.modal-section p {
  margin: 0.55rem 0;
  color: var(--color-dark-gray);
}

.clean-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-dark-gray);
}

.clean-list li + li {
  margin-top: 0.45rem;
}

.link-list,
.resource-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tool-link,
.resource-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.56rem 0.78rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.tool-link {
  color: var(--color-deep-teal);
  background: var(--color-white-teal);
  border: 1px solid var(--color-bright-teal);
}

.resource-link {
  color: var(--color-white);
  background: var(--color-a11y-orange);
  border: 1px solid var(--color-a11y-orange);
}

.tool-link:hover,
.tool-link:focus {
  color: var(--color-white);
  background: var(--color-dark-teal);
}

.resource-link:hover,
.resource-link:focus {
  color: var(--color-white);
  background: #843719;
}


/* Purpose guide */
.usage-guide-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: -0.7rem auto 1rem;
}

.usage-guide {
  border: 1px solid rgba(199, 222, 224, 0.95);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 26px rgba(9, 29, 32, 0.06);
  overflow: hidden;
}

.usage-guide summary {
  padding: 1rem 1.25rem;
  color: var(--color-deep-teal);
  font-weight: 800;
  cursor: pointer;
  list-style-position: inside;
}

.usage-guide summary:hover,
.usage-guide[open] summary {
  background: var(--color-white-teal);
}

.usage-guide-content {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-dark-gray);
}

.usage-guide-content p {
  margin: 0.75rem 0 0;
}

.usage-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.usage-guide-grid > div {
  padding: 0.9rem;
  border: 1px solid #e2eef0;
  border-radius: var(--radius-md);
  background: #ffffff;
}

.usage-guide-grid h3 {
  margin: 0;
  color: var(--color-deep-teal);
  font-size: 0.98rem;
}

.usage-guide-grid p {
  margin-top: 0.35rem;
  font-size: 0.94rem;
}

.filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.7rem;
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .stats-grid,
  .filters,
  .usage-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-group {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 1rem 0.75rem 1.25rem;
  }

  .header-shell,
  .controls {
    border-radius: 18px;
  }

  .controls-header {
    flex-direction: column;
  }

  .stats-grid,
  .filters,
  .usage-guide-grid {
    grid-template-columns: 1fr;
  }

  .cards-container,
  .controls,
  .usage-guide-shell {
    width: min(100% - 1rem, 1120px);
  }

  .filter-actions,
  .card-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .modal {
    align-items: flex-end;
    padding: 0.5rem;
  }

  .modal-content {
    max-height: 92vh;
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .card:hover,
  .button:hover {
    transform: none;
  }
}