/*
  Canonical artifacts:
  - artifacts/design-language/web-app/brand-identity.md
  - artifacts/design-language/web-app/visual-identity-system.md
  - artifacts/business-rules-requirements/static-website-mvp-requirements.md
*/

:root {
  color-scheme: light;
  --vais-navy: #0f172a;
  --vais-blue: #1e40af;
  --vais-blue-dark: #1d3a9b;
  --vais-teal: #0f766e;
  --vais-bg: #f8fafc;
  --vais-surface: #ffffff;
  --vais-text: #111827;
  --vais-muted: #64748b;
  --vais-border: #e2e8f0;
  --vais-success: #16a34a;
  --vais-warning: #f59e0b;
  --vais-error: #dc2626;
  --vais-radius: 20px;
  --vais-radius-sm: 12px;
  --vais-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --vais-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@font-face {
  font-family: Inter;
  src: url("/assets/fonts/InterVariable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  font-family: var(--vais-font);
  color: var(--vais-text);
  background: var(--vais-bg);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--vais-blue);
}

a:hover {
  color: var(--vais-blue-dark);
}

img {
  max-width: 100%;
  height: auto;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

code {
  overflow-wrap: anywhere;
}

.vais-site-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--vais-border);
  backdrop-filter: blur(12px);
}

.vais-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.vais-logo img {
  width: 172px;
  height: auto;
}

.navbar-nav .nav-link {
  color: var(--vais-muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--vais-navy);
}

.vais-btn-primary,
.btn.vais-btn-primary {
  color: #ffffff !important;
  background: var(--vais-blue);
  border-color: var(--vais-blue);
  border-radius: var(--vais-radius-sm);
  font-weight: 750;
}

.vais-btn-primary:hover,
.vais-btn-primary:focus {
  color: #ffffff !important;
  background: var(--vais-blue-dark);
  border-color: var(--vais-blue-dark);
}

.vais-btn-primary i,
.vais-btn-primary span {
  color: #ffffff !important;
}

.vais-btn-outline,
.btn.vais-btn-outline {
  color: var(--vais-blue);
  border-color: rgba(30, 64, 175, 0.32);
  background: #ffffff;
  border-radius: var(--vais-radius-sm);
  font-weight: 750;
}

.vais-btn-outline:hover,
.vais-btn-outline:focus {
  color: #ffffff;
  background: var(--vais-blue);
  border-color: var(--vais-blue);
}

.vais-section {
  padding: 96px 0;
}

.vais-section-tight {
  padding: 68px 0;
}

.vais-band {
  background: #ffffff;
}

.vais-hero {
  padding: 96px 0 76px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(248, 250, 252, 0.95)),
    var(--vais-bg);
}

.vais-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--vais-teal);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.vais-hero h1,
.vais-page-title {
  margin: 0;
  color: var(--vais-navy);
  font-size: 3.5rem;
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 800;
}

.vais-section-title {
  color: var(--vais-navy);
  font-size: 2.45rem;
  line-height: 1.15;
  letter-spacing: 0;
  font-weight: 800;
}

.vais-lede {
  color: var(--vais-muted);
  font-size: 1.18rem;
  line-height: 1.7;
}

.vais-muted {
  color: var(--vais-muted);
}

.vais-card {
  height: 100%;
  padding: 28px;
  background: var(--vais-surface);
  border: 1px solid var(--vais-border);
  border-radius: var(--vais-radius);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.vais-card-soft {
  background: var(--vais-surface);
  border: 1px solid var(--vais-border);
  border-radius: var(--vais-radius);
  box-shadow: var(--vais-shadow);
}

.vais-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--vais-teal);
  background: rgba(15, 118, 110, 0.08);
  border-radius: var(--vais-radius-sm);
}

.vais-checker-card {
  max-width: 940px;
  margin: 34px auto 0;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--vais-border);
  border-radius: var(--vais-radius);
  box-shadow: var(--vais-shadow);
}

.vais-checker-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.grid-column-full {
  grid-column: 1 / -1;
}

.vais-checker-form .form-control {
  min-height: 58px;
  border-color: transparent;
  border-radius: var(--vais-radius-sm);
  font-size: 1rem;
}

.vais-checker-form .btn {
  min-height: 58px;
  padding-inline: 24px;
}

.vais-form-note,
.vais-status {
  color: var(--vais-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.vais-status {
  min-height: 24px;
}

.vais-status.error {
  color: var(--vais-error);
}

.vais-status.success {
  color: var(--vais-success);
}

.vais-platforms {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.vais-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  color: var(--vais-navy);
  background: #ffffff;
  border: 1px solid var(--vais-border);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 750;
}

.vais-mini-panel {
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--vais-border);
  border-radius: var(--vais-radius);
}

.vais-score-number {
  color: var(--vais-navy);
  font-size: 4.5rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
  font-kerning: normal;
  font-variant-numeric: tabular-nums;
}

.vais-score-denominator {
  color: var(--vais-muted);
  font-size: 1.4rem;
  font-weight: 750;
}

.vais-score-bar {
  height: 12px;
  overflow: hidden;
  background: var(--vais-border);
  border-radius: 999px;
}

.vais-score-bar > span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--vais-blue);
  border-radius: inherit;
}

.vais-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.status-good {
  color: var(--vais-success);
  background: rgba(22, 163, 74, 0.08);
}

.status-warning {
  color: #9a5a00;
  background: rgba(245, 158, 11, 0.12);
}

.status-error {
  color: var(--vais-error);
  background: rgba(220, 38, 38, 0.08);
}

.status-info {
  color: var(--vais-blue);
  background: rgba(30, 64, 175, 0.08);
}

.vais-list-clean {
  padding: 0;
  margin: 0;
  list-style: none;
}

.vais-list-clean li {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  color: var(--vais-muted);
}

.vais-list-clean i {
  margin-top: 4px;
  color: var(--vais-teal);
}

.vais-finding {
  padding: 18px;
  border: 1px solid var(--vais-border);
  border-radius: var(--vais-radius-sm);
  background: #ffffff;
}

.vais-footer {
  padding: 56px 0 32px;
  color: #cbd5e1;
  background: var(--vais-navy);
}

.vais-footer a {
  color: #e2e8f0;
  text-decoration: none;
}

.vais-footer a:hover,
.vais-footer a:focus {
  color: #ffffff;
  text-decoration: underline;
}

.vais-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.vais-social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.28);
  border-radius: 999px;
  text-decoration: none;
}

.vais-social-links a:hover,
.vais-social-links a:focus {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.52);
  text-decoration: none;
}

.vais-footer-logo {
  width: 184px;
  max-width: 100%;
  filter: brightness(0) invert(1);
}

.vais-article-card img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  border-radius: var(--vais-radius-sm);
}

.vais-article {
  max-width: 830px;
  margin-inline: auto;
}

.vais-article h1 {
  color: var(--vais-navy);
  font-size: 3rem;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}

.vais-article h2 {
  margin-top: 46px;
  color: var(--vais-navy);
  font-size: 1.7rem;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: 0;
}

.vais-article h3 {
  margin-top: 28px;
  color: var(--vais-navy);
  font-size: 1.18rem;
  font-weight: 800;
}

.vais-article p,
.vais-article li {
  color: #334155;
  font-size: 1.04rem;
  line-height: 1.78;
}

.vais-article img {
  border-radius: var(--vais-radius);
  box-shadow: var(--vais-shadow);
}

.vais-legal {
  max-width: 860px;
  margin-inline: auto;
}

.vais-legal h1 {
  color: var(--vais-navy);
  font-weight: 800;
  letter-spacing: 0;
}

.vais-legal h2 {
  margin-top: 36px;
  color: var(--vais-navy);
  font-size: 1.35rem;
  font-weight: 800;
}

.vais-legal p,
.vais-legal li {
  color: #334155;
  line-height: 1.72;
}

.form-control,
.form-select {
  border-color: var(--vais-border);
  border-radius: var(--vais-radius-sm);
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(30, 64, 175, 0.5);
  box-shadow: 0 0 0 0.25rem rgba(30, 64, 175, 0.16);
}

.breadcrumb {
  --bs-breadcrumb-divider-color: var(--vais-muted);
  --bs-breadcrumb-item-active-color: var(--vais-muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--vais-muted);
  text-decoration: none;
}

@media (max-width: 991.98px) {
  .vais-section {
    padding: 72px 0;
  }

  .vais-hero {
    padding: 72px 0 58px;
  }

  .vais-hero h1,
  .vais-page-title {
    font-size: 2.65rem;
  }

  .vais-section-title {
    font-size: 2rem;
  }

  .vais-checker-form {
    grid-template-columns: 1fr;
  }

  .vais-checker-form .form-control {
    border-color: var(--vais-border);
  }
}

@media (max-width: 575.98px) {
  .vais-logo img {
    width: 152px;
  }

  .vais-hero > .container,
  .vais-section > .container,
  .vais-section-tight > .container {
    overflow-x: clip;
  }

  .vais-hero h1,
  .vais-page-title,
  .vais-article h1 {
    font-size: 2.25rem;
  }

  .vais-card {
    padding: 22px;
  }

  .vais-score-number {
    font-size: 3.3rem;
  }
}