:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --soft: #e2e8f0;
  --brand: #0f5ea8;
  --brand-dark: #0b477f;
  --accent: #f59e0b;
  --ok: #047857;
  --warn: #b45309;
  --shadow: 0 20px 55px rgba(15, 23, 42, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: min(1120px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

button,
input,
select {
  font: inherit;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), #38bdf8);
  color: #fff;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.93rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--brand);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--soft);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 800;
}

.hero {
  padding: 78px 0 56px;
  background:
    radial-gradient(circle at 12% 20%, rgba(14, 165, 233, 0.18), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(245, 158, 11, 0.18), transparent 26%),
    linear-gradient(180deg, #eff6ff 0%, var(--bg) 88%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 900;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.045em;
}

h1 {
  margin: 0;
  font-size: clamp(2.55rem, 7vw, 5.2rem);
  max-width: 900px;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.85rem, 4vw, 3rem);
}

h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
}

.lead {
  margin: 22px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.button-primary {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 12px 25px rgba(15, 94, 168, 0.26);
}

.button-primary:hover,
.button-primary:focus {
  background: var(--brand-dark);
}

.button-secondary {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--soft);
}

.disclaimer {
  margin: 24px 0 0;
  max-width: 760px;
  color: #334155;
  font-size: 0.94rem;
}

.hero-panel,
.finder-card,
.issue-card,
.platform-card,
.service-card,
.checklist,
.maintenance-grid > div {
  background: var(--surface);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-panel {
  padding: 26px;
}

.icon-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.icon-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--muted);
}

.icon-list span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  font-weight: 900;
}

.trust-strip {
  padding: 20px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stats-grid div {
  background: #fff;
  border: 1px solid var(--soft);
  border-radius: 18px;
  padding: 18px;
}

.stats-grid strong,
.stats-grid span {
  display: block;
}

.stats-grid strong {
  font-size: 1.12rem;
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: #eef6ff;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  margin: 0;
}

.with-tools {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 360px);
  gap: 24px;
  max-width: none;
  align-items: end;
}

.search-panel {
  background: #fff;
  border: 1px solid var(--soft);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.search-panel label,
.troubleshooter-form label {
  display: grid;
  gap: 7px;
  font-weight: 900;
  color: var(--ink);
}

input[type="search"],
select {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 13px;
  padding: 12px 13px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

input[type="search"]:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
}

.finder-card {
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: 24px;
}

.troubleshooter-form {
  display: grid;
  gap: 16px;
}

.wizard-result {
  border: 1px dashed #93c5fd;
  border-radius: var(--radius-sm);
  background: #f8fbff;
  padding: 18px;
}

.wizard-result ol {
  margin-bottom: 0;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 28px;
  align-items: start;
}

.note {
  border-radius: 16px;
  padding: 16px;
  margin-top: 20px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #7c2d12;
}

.checklist {
  padding: 22px;
  display: grid;
  gap: 12px;
}

.checklist label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  color: #334155;
}

.checklist input {
  margin-top: 4px;
  accent-color: var(--brand);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 20px 0 8px;
}

.chip {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  border-radius: 999px;
  padding: 9px 13px;
  cursor: pointer;
  font-weight: 850;
}

.chip.active,
.chip:hover,
.chip:focus {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

.result-count {
  min-height: 24px;
  color: var(--muted);
  font-weight: 800;
}

.issue-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.issue-card {
  padding: 22px;
  box-shadow: none;
}

.issue-card:hover,
.issue-card:focus-within {
  box-shadow: 0 20px 42px rgba(15, 23, 42, 0.09);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.badge,
.time {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 5px 9px;
}

.badge {
  color: #075985;
  background: #e0f2fe;
}

.time {
  color: #475569;
  background: #f1f5f9;
}

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

.issue-card details {
  margin-top: 14px;
  border-top: 1px solid var(--soft);
  padding-top: 12px;
}

.issue-card summary {
  cursor: pointer;
  font-weight: 950;
  color: var(--brand-dark);
}

.issue-card ol,
.platform-card ol,
.service-card ul {
  padding-left: 1.25rem;
}

.issue-card li,
.platform-card li,
.service-card li {
  margin: 8px 0;
}

.stop-point {
  border-left: 4px solid var(--accent);
  background: #fffbeb;
  padding: 10px 12px;
  border-radius: 0 12px 12px 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.platform-card {
  padding: 22px;
  box-shadow: none;
}

.platform-card h2 {
  font-size: 1.35rem;
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.maintenance-grid > div {
  padding: 20px;
  box-shadow: none;
}

.maintenance-grid p {
  color: var(--muted);
}

.resources-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.resources-grid p {
  color: var(--muted);
}

.resource-list {
  display: grid;
  gap: 10px;
}

.resource-list a {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--soft);
  border-radius: 14px;
  text-decoration: none;
  font-weight: 900;
}

.resource-list a::after {
  content: "↗";
  color: var(--brand);
}

.resource-list a:hover,
.resource-list a:focus {
  border-color: #93c5fd;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.service-card {
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1.2fr);
  gap: 24px;
  align-items: start;
  background: linear-gradient(135deg, #fff, #f8fbff);
}

.site-footer {
  background: #0f172a;
  color: #e2e8f0;
  padding: 46px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, 0.5fr) minmax(180px, 0.6fr);
  gap: 28px;
}

.footer-brand small,
.site-footer p {
  color: #cbd5e1;
}

.site-footer h2 {
  font-size: 1rem;
  margin-bottom: 10px;
  letter-spacing: 0;
}

.site-footer a:not(.brand) {
  display: block;
  color: #e2e8f0;
  text-decoration: none;
  margin: 8px 0;
}

.site-footer .button-secondary {
  color: #0f172a;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .hero-grid,
  .finder-card,
  .two-col,
  .with-tools,
  .resources-grid,
  .service-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0 4px;
  }

  .nav-links.open {
    display: flex;
  }
}

@media (max-width: 560px) {
  :root {
    --wrap: min(100% - 22px, 1120px);
  }

  .hero {
    padding: 52px 0 40px;
  }

  .section {
    padding: 52px 0;
  }

  .stats-grid,
  .platform-grid,
  .maintenance-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .card-top {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .filter-row,
  .search-panel,
  .menu-toggle,
  .button,
  .trust-strip,
  .finder-card {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero {
    padding: 18px 0;
    background: #fff;
  }

  .issue-grid,
  .platform-grid,
  .maintenance-grid,
  .resources-grid,
  .footer-grid,
  .service-card,
  .two-col {
    display: block;
  }

  .issue-card,
  .platform-card,
  .maintenance-grid > div,
  .hero-panel,
  .checklist,
  .service-card {
    box-shadow: none;
    border: 1px solid #bbb;
    break-inside: avoid;
    margin-bottom: 12px;
  }
}