:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #0b1220;
  --muted: #445066;
  --border: #e6eaf2;
  --blue: #2563eb;
  --blue-600: #1d4ed8;
  --blue-700: #1e40af;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.10);
  --shadow-sm: 0 6px 16px rgba(15, 23, 42, 0.10);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1120px;
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

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

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

a:hover {
  color: var(--blue-700);
  text-decoration: underline
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  z-index: 9999;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px
}

.row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap
}

.grid {
  display: grid;
  gap: 16px
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr))
}

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }
}

@media (max-width: 760px) {

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr
  }
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.06);
  color: var(--blue-700);
  font-weight: 600;
  font-size: 13px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(10px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.brand:hover {
  text-decoration: none;
  color: var(--blue-700);
}

.brand-logo {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--text);
  font-weight: 650;
  padding: 8px 10px;
  border-radius: 999px;
}

.nav-links a[aria-current="page"] {
  background: rgba(37, 99, 235, 0.10);
  color: var(--blue-700);
}

.nav-links a:hover {
  text-decoration: none;
  background: rgba(15, 23, 42, 0.05);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--blue);
  color: white;
  font-weight: 750;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-cta:hover {
  text-decoration: none;
  background: var(--blue-600);
}

.hero {
  padding: 54px 0 28px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -200px -200px auto -200px;
  height: 520px;
  background: radial-gradient(closest-side, rgba(37, 99, 235, 0.18), rgba(37, 99, 235, 0.00));
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr
  }
}

.h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 10px 0 10px;
  letter-spacing: -0.03em;
}

@media (max-width: 760px) {
  .h1 {
    font-size: 36px
  }
}

.lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  text-decoration: none;
  background: rgba(15, 23, 42, 0.03);
}

.btn-primary {
  background: var(--blue);
  border-color: rgba(0, 0, 0, 0.05);
  color: white;
}

.btn-primary:hover {
  background: var(--blue-600)
}

.btn-ghost {
  box-shadow: none;
  background: transparent;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.card-soft {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.06), rgba(37, 99, 235, 0.00));
}

.card h2,
.card h3 {
  margin: 0 0 8px
}

.card p {
  margin: 0;
  color: var(--muted)
}

.section {
  padding: 28px 0;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.section-title h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.section-title p {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.kpi {
  display: flex;
  gap: 14px;
  align-items: center;
}

.kpi strong {
  font-size: 22px
}

.kpi span {
  color: var(--muted)
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.icon svg {
  width: 22px;
  height: 22px
}

.toc {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 0;
}

.toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.02);
  color: var(--text);
  font-weight: 650;
}

.toc a:hover {
  text-decoration: none;
  background: rgba(37, 99, 235, 0.07);
  border-color: rgba(37, 99, 235, 0.22);
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

details+details {
  margin-top: 12px
}

summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

summary::-webkit-details-marker {
  display: none
}

.summary-meta {
  color: var(--muted);
  font-weight: 650;
  font-size: 13px
}

.details-body {
  margin-top: 10px;
  color: var(--muted)
}

.details-body ul {
  margin: 8px 0 0 18px;
  padding: 0
}

.details-body li {
  margin: 6px 0
}

.form {
  display: grid;
  gap: 12px;
}

label {
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

input,
textarea {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
  background: white;
}

textarea {
  min-height: 120px;
  resize: vertical
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.notice {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  background: rgba(37, 99, 235, 0.08);
  color: var(--blue-700);
}

footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  margin-top: 30px;
  background: rgba(15, 23, 42, 0.02);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr
  }
}

.small {
  font-size: 13px;
  color: var(--muted)
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: white;
  font-weight: 650;
  color: var(--text);
}

.pill:hover {
  text-decoration: none;
  background: rgba(15, 23, 42, 0.03)
}

.page-head {
  padding: 28px 0 10px;
}

.page-head h1 {
  margin: 8px 0 8px;
  font-size: 36px;
  letter-spacing: -0.03em;
}

.page-head p {
  margin: 0;
  color: var(--muted);
  max-width: 75ch
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 18px 0;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* --- Global Responsive Adjustments --- */

@media (max-width: 1024px) {
  .nav-links {
    gap: 12px;
  }

  .h1 {
    font-size: 38px;
  }
}

@media (max-width: 760px) {

  /* Navigation Wrapping */
  .nav {
    flex-direction: column;
    gap: 16px;
    padding: 16px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .nav-cta {
    margin-top: 6px;
  }

  /* Spacing Reductions */
  .hero {
    padding: 32px 0 20px;
  }

  .section {
    padding: 24px 0;
  }

  .page-head {
    padding: 24px 0 10px;
  }

  .hero-grid {
    gap: 36px;
  }

  /* Typography Adjustments */
  .h1 {
    font-size: 32px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .lead {
    font-size: 16px;
  }

  /* Touch Targets & Buttons */
  .hero-actions {
    flex-direction: column;
    width: 100%;
    margin-top: 20px;
  }

  .hero-actions .btn {
    width: 100%;
    padding: 14px 16px;
    /* slightly taller for easy tapping */
  }

  .bubble {
    padding: 12px 14px;
    /* easier to tap */
  }

  /* Align Footer Items */
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-grid .stack {
    align-items: center;
  }
}