/* WPVelocity Daylight Cobalt Migration Runbook */
:root {
  --wpv-bg: #f6f9fe;
  --wpv-bg-alt: #e9f1fc;
  --wpv-surface: #ffffff;
  --wpv-ink: #0f1d35;
  --wpv-ink-soft: #2c4163;
  --wpv-muted: #53698a;
  --wpv-cobalt: #1d4ed8;
  --wpv-cobalt-dark: #1e40af;
  --wpv-cyan: #0284c7;
  --wpv-tint: #dbeafe;
  --wpv-border: #cdddf2;
  --wpv-border-strong: #9fbbe3;
  --wpv-ok: #047857;
  --wpv-ok-bg: #ecfdf5;
  --wpv-warn: #b45309;
  --wpv-warn-bg: #fffbeb;
  --wpv-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --wpv-mono: ui-monospace, 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  background: var(--wpv-bg);
  color: var(--wpv-ink);
  font-family: var(--wpv-sans);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
body {
  min-height: 100vh;
  background: linear-gradient(180deg, #eef5ff 0%, var(--wpv-bg) 320px);
  color: var(--wpv-ink);
}
a { color: var(--wpv-cobalt); text-decoration: none; }
a:hover { color: var(--wpv-cobalt-dark); text-decoration: underline; }

/* Top Bar (<header class="wpv-bar">) */
.wpv-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 29, 53, 0.96);
  color: #f6f9fe;
  border-bottom: 2px solid var(--wpv-cyan);
  backdrop-filter: blur(8px);
}
.wpv-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.72rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.wpv-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #f6f9fe !important;
  font-weight: 800;
  font-size: 1.14rem;
  text-decoration: none !important;
}
.wpv-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--wpv-cobalt), var(--wpv-cyan));
  color: #ffffff;
  font-family: var(--wpv-mono);
  font-size: 0.85rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.wpv-brand-badge {
  font-family: var(--wpv-mono);
  font-size: 0.68rem;
  padding: 0.14rem 0.48rem;
  border-radius: 999px;
  background: rgba(2, 132, 199, 0.28);
  border: 1px solid rgba(56, 189, 248, 0.55);
  color: #e0f2fe;
}
.wpv-bar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.wpv-bar-nav a {
  color: #dbeafe;
  font-size: 0.88rem;
  font-weight: 600;
}
.wpv-bar-nav a:hover { color: #ffffff; }
.wpv-lang-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.78rem;
  border-radius: 999px;
  background: #f6f9fe;
  color: var(--wpv-ink) !important;
  font-size: 0.76rem;
  font-weight: 800;
  text-decoration: none !important;
}

/* Top Affiliate Disclosure Strip (<div class="wpv-disclosure-strip">) */
.wpv-disclosure-strip {
  background: #e0ecff;
  border-bottom: 1px solid var(--wpv-border-strong);
  color: var(--wpv-ink);
  font-size: 0.81rem;
  padding: 0.5rem 1.25rem;
}
.wpv-disclosure-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  justify-content: space-between;
}
.wpv-disclosure-inner a { font-weight: 700; color: var(--wpv-cobalt-dark); text-decoration: underline; }

/* LF2 Runbook Shell (<div class="wpv-rb-shell">) */
.wpv-rb-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.65rem 1.25rem 3rem;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}
@media (max-width: 980px) {
  .wpv-rb-shell { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
}

/* Left Sticky Rail (<aside class="wpv-rail-toc">) */
.wpv-rail-toc {
  position: sticky;
  top: 4.5rem;
  background: var(--wpv-surface);
  border: 1px solid var(--wpv-border);
  border-top: 4px solid var(--wpv-cobalt);
  border-radius: 12px;
  padding: 1.15rem;
  box-shadow: 0 8px 22px -8px rgba(15, 29, 53, 0.08);
}
@media (max-width: 980px) {
  .wpv-rail-toc { position: static; }
}
.wpv-rail-title {
  font-family: var(--wpv-mono);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--wpv-cobalt);
  margin: 0 0 0.55rem;
  display: block;
}
.wpv-progress-meter {
  width: 100%;
  height: 14px;
  display: block;
  margin: 0.35rem 0;
}
.wpv-meter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--wpv-ink-soft);
  margin-bottom: 0.85rem;
}
.wpv-reset-btn {
  background: var(--wpv-bg-alt);
  border: 1px solid var(--wpv-border-strong);
  border-radius: 6px;
  color: var(--wpv-ink);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  cursor: pointer;
}
.wpv-rail-toc nav ol {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.42rem;
  font-size: 0.84rem;
}
.wpv-rail-toc nav ol li a {
  color: var(--wpv-ink-soft);
  font-weight: 600;
  display: inline-block;
}
.wpv-rail-toc nav ol li a:hover { color: var(--wpv-cobalt); }

/* Main Document (<main class="wpv-doc">) */
.wpv-doc { min-width: 0; display: grid; gap: 1.85rem; }
.wpv-doc-head {
  background: var(--wpv-surface);
  border: 1px solid var(--wpv-border);
  border-left: 5px solid var(--wpv-cobalt);
  border-radius: 12px;
  padding: 1.65rem 1.8rem;
  box-shadow: 0 10px 26px -10px rgba(15, 29, 53, 0.08);
}
.wpv-kicker {
  display: inline-block;
  font-family: var(--wpv-mono);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--wpv-cyan);
  background: #e0f2fe;
  border: 1px solid #bae6fd;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  margin-bottom: 0.75rem;
}
.wpv-doc-head h1 {
  font-size: clamp(1.65rem, 3.1vw, 2.38rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 0.85rem;
  color: var(--wpv-ink);
}
.wpv-doc-head p { margin: 0 0 0.65rem; color: var(--wpv-ink-soft); font-size: 0.98rem; }
.wpv-doc-head p:last-child { margin-bottom: 0; }
.wpv-crumbs { font-size: 0.8rem; color: var(--wpv-muted); margin-bottom: 0.6rem; }

/* Prerequisite Calculator (<section class="wpv-prereq-calc">) */
.wpv-prereq-calc, .wpv-runbook-sec, .wpv-vendor-matrix, .wpv-faq-sec, .wpv-card-sec {
  background: var(--wpv-surface);
  border: 1px solid var(--wpv-border);
  border-radius: 12px;
  padding: 1.6rem 1.75rem;
  box-shadow: 0 8px 22px -8px rgba(15, 29, 53, 0.06);
}
.wpv-prereq-calc h2, .wpv-runbook-sec h2, .wpv-vendor-matrix h2, .wpv-faq-sec h2, .wpv-card-sec h2 {
  font-size: clamp(1.28rem, 2.2vw, 1.65rem);
  margin: 0 0 0.55rem;
  color: var(--wpv-ink);
}
.wpv-calc-form { display: grid; gap: 1.35rem; margin-top: 1rem; }
.wpv-calc-fieldset {
  border: 1px solid var(--wpv-border);
  border-radius: 10px;
  padding: 1.1rem;
  background: var(--wpv-bg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}
.wpv-calc-fieldset legend {
  font-family: var(--wpv-mono);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 0 0.45rem;
  color: var(--wpv-cobalt);
}
.wpv-field { display: flex; flex-direction: column; gap: 0.32rem; }
.wpv-field label { font-size: 0.8rem; font-weight: 700; color: var(--wpv-ink); }
.wpv-field select {
  font-family: var(--wpv-sans);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.55rem 0.68rem;
  border-radius: 8px;
  border: 1.5px solid var(--wpv-border-strong);
  background: #ffffff;
  color: var(--wpv-ink);
}
.wpv-output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 0.8rem;
}
.wpv-out-box {
  background: var(--wpv-bg);
  border: 1px solid var(--wpv-border);
  border-top: 3px solid var(--wpv-cyan);
  border-radius: 9px;
  padding: 0.8rem 0.9rem;
}
.wpv-out-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--wpv-muted);
}
.wpv-out-val {
  display: block;
  font-family: var(--wpv-mono);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--wpv-cobalt);
  margin: 0.2rem 0;
}
.wpv-out-sub { font-size: 0.75rem; color: var(--wpv-ink-soft); display: block; }
.wpv-formula-note {
  margin: 0;
  padding: 0.7rem 0.95rem;
  border-radius: 8px;
  background: var(--wpv-bg-alt);
  border-left: 3px solid var(--wpv-cobalt);
  font-size: 0.84rem;
  color: var(--wpv-ink-soft);
}
.wpv-rec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.9rem;
}
.wpv-rec-card {
  background: #ffffff;
  border: 1.5px solid var(--wpv-border);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.wpv-rec-card.is-primary { border-color: var(--wpv-cobalt); background: #f8fbff; }
.wpv-rec-top { display: flex; justify-content: space-between; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.4rem; }
.wpv-rec-badge {
  font-family: var(--wpv-mono);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  background: var(--wpv-tint);
  color: var(--wpv-cobalt-dark);
}
.wpv-rec-price { font-family: var(--wpv-mono); font-size: 0.86rem; color: var(--wpv-ink); }
.wpv-rec-card h3 { font-size: 0.96rem; margin: 0.15rem 0 0.35rem; color: var(--wpv-ink); }
.wpv-rec-card p { font-size: 0.82rem; color: var(--wpv-ink-soft); margin: 0 0 0.75rem; }

.wpv-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--wpv-cobalt);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.84rem;
  padding: 0.58rem 0.95rem;
  border-radius: 8px;
  text-decoration: none !important;
  border: 1px solid var(--wpv-cobalt);
}
.wpv-btn-primary:hover { background: var(--wpv-cobalt-dark); }
.wpv-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: var(--wpv-cobalt) !important;
  border: 1.5px solid var(--wpv-cobalt);
  font-weight: 700;
  font-size: 0.83rem;
  padding: 0.52rem 0.9rem;
  border-radius: 8px;
  text-decoration: none !important;
}
.wpv-btn-inline { width: auto; }

/* 7-Step Checkable Runbook (<ol class="wpv-steps">) */
.wpv-steps {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 0;
  display: grid;
  gap: 1rem;
}
.wpv-steps > li {
  background: var(--wpv-bg);
  border: 1.5px solid var(--wpv-border);
  border-radius: 10px;
  padding: 1.05rem 1.2rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.wpv-steps > li.is-checked {
  background: var(--wpv-ok-bg);
  border-color: #6ee7b7;
}
.wpv-steps > li > header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}
.wpv-steps > li > header > label {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.96rem;
  color: var(--wpv-ink);
}
.wpv-steps > li > header > label > input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
  accent-color: var(--wpv-cobalt);
  flex-shrink: 0;
}
.wpv-steps > li > header > span {
  font-family: var(--wpv-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.16rem 0.52rem;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--wpv-border-strong);
  color: var(--wpv-cyan);
}
.wpv-steps > li > p { margin: 0.35rem 0 0.65rem; font-size: 0.89rem; color: var(--wpv-ink-soft); }
.wpv-steps > li > pre, pre.wpv-pre {
  background: #0f1d35;
  color: #e2e8f0;
  font-family: var(--wpv-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0;
}

/* Public Vendor Pricing Matrix (<section class="wpv-vendor-matrix compare">) */
.wpv-table-scroll { overflow-x: auto; margin: 0.9rem 0; }
.wpv-vendor-matrix table, .wpv-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: #ffffff;
}
.wpv-vendor-matrix th, .wpv-vendor-matrix td, .wpv-spec-table th, .wpv-spec-table td {
  padding: 0.72rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--wpv-border);
  vertical-align: top;
}
.wpv-vendor-matrix th, .wpv-spec-table th {
  background: var(--wpv-bg-alt);
  font-weight: 800;
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--wpv-ink);
}
.wpv-price-warn {
  background: var(--wpv-warn-bg);
  border: 1px solid #fcd34d;
  border-radius: 8px;
  padding: 0.7rem 0.95rem;
  font-size: 0.82rem;
  color: #78350f;
  margin: 0.6rem 0 0;
}

/* Diagrams & Video Briefing */
.wpv-fig-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.wpv-fig-card {
  margin: 0;
  background: var(--wpv-bg);
  border: 1px solid var(--wpv-border);
  border-radius: 10px;
  padding: 0.75rem;
}
.wpv-fig-card img { width: 100%; height: auto; display: block; border-radius: 6px; }
.wpv-fig-card figcaption { font-size: 0.78rem; color: var(--wpv-ink-soft); margin-top: 0.45rem; }

.wpv-video-sec {
  background: var(--wpv-surface);
  border: 1px solid var(--wpv-border);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
}
.wpv-reel-card {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}
@media (max-width: 680px) {
  .wpv-reel-card { grid-template-columns: minmax(0, 1fr); }
}
.wpv-reel-frame {
  background: #0f1d35;
  border-radius: 10px;
  padding: 6px;
  max-width: 204px;
}
.wpv-reel-frame video { width: 100%; aspect-ratio: 9 / 16; display: block; border-radius: 6px; }
.wpv-reel-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 0.85rem; }

/* Cards & FAQ (<section class="wpv-faq-sec faq"><dl>) */
.wpv-grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.wpv-item-card {
  background: var(--wpv-bg);
  border: 1px solid var(--wpv-border);
  border-radius: 10px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.wpv-item-card h3 { font-size: 1rem; margin: 0.25rem 0 0.45rem; }
.wpv-item-card p { font-size: 0.85rem; color: var(--wpv-ink-soft); margin: 0 0 0.85rem; }

.wpv-faq-sec dl { margin: 1rem 0 0; display: grid; gap: 0.75rem; }
.wpv-faq-sec dt {
  font-weight: 800;
  font-size: 0.96rem;
  color: var(--wpv-ink);
  background: var(--wpv-bg-alt);
  border: 1px solid var(--wpv-border);
  border-radius: 8px 8px 0 0;
  padding: 0.75rem 1rem;
}
.wpv-faq-sec dd {
  margin: -0.75rem 0 0;
  padding: 0.8rem 1rem;
  background: #ffffff;
  border: 1px solid var(--wpv-border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  font-size: 0.88rem;
  color: var(--wpv-ink-soft);
}

/* Footer */
.wpv-foot {
  background: #0f1d35;
  color: #cbd5e1;
  border-top: 2px solid var(--wpv-cobalt);
  padding: 2rem 1.25rem 2.5rem;
  font-size: 0.83rem;
}
.wpv-foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: 0.85rem;
}
.wpv-foot-links { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.wpv-foot-links a { color: #93c5fd; font-weight: 600; }
.wpv-foot p { margin: 0; color: #cbd5e1; }