@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

:root {
  --bg: #f5fbff;
  --paper: #ffffff;
  --paper-2: #f8fafc;
  --paper-3: #eef6fd;
  --ink: #0b1626;
  --ink-soft: #1e293b;
  --muted: #475569;
  --muted-2: #64748b;
  --line: #d6e2ee;
  --line-soft: #e6eef7;
  --blue: #0369a1;
  --blue-2: #0284c7;
  --cyan: #0ea5e9;
  --teal: #0d9488;
  --green: #16a34a;
  --amber: #b45309;
  --rose: #be123c;
  --violet: #6d28d9;
  --indigo: #4338ca;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
  --shadow-sm: 0 6px 20px rgba(15, 23, 42, 0.06);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(14, 165, 233, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(109, 40, 217, 0.10), transparent 55%),
    linear-gradient(180deg, #eaf6ff 0%, #f5fbff 38%, #ffffff 100%);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 180ms ease;
}
a:hover { color: var(--violet); }

img { max-width: 100%; display: block; }

.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

/* ───────── Topbar ───────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  background: rgba(245, 251, 255, 0.78);
  border-bottom: 1px solid rgba(214, 226, 238, 0.74);
}
.topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 48%, var(--teal) 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45), 0 6px 18px rgba(2, 132, 199, 0.35);
  position: relative;
}
.mark::after {
  content: "";
  position: absolute; inset: 6px;
  border-radius: 6px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.7), transparent 60%);
}
.brand-sub {
  margin-left: 4px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 500;
}
.nav { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.nav a, .button {
  min-height: 36px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.nav a:hover, .button:hover {
  border-color: var(--cyan);
  background: #ffffff;
  color: var(--blue);
  box-shadow: 0 10px 30px rgba(3, 105, 161, 0.10);
}
.button.primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(2, 132, 199, 0.30);
}
.button.primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 14px 36px rgba(2, 132, 199, 0.38); }

/* ───────── Hero ───────── */
.hero { padding: 64px 0 36px; position: relative; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr);
  gap: 28px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 14px;
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}
.eyebrow::before {
  content: ""; width: 18px; height: 1px; background: currentColor;
}

h1, h2, h3 {
  font-family: "JetBrains Mono", monospace;
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: var(--ink);
}
h1 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(36px, 5.6vw, 68px);
  font-weight: 700;
}
h1 .accent {
  background: linear-gradient(135deg, var(--blue) 10%, var(--cyan) 50%, var(--teal) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { margin: 0 0 18px; font-size: clamp(24px, 2.8vw, 38px); font-weight: 700; }
h2 .num {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 10px;
  border-radius: 6px;
  background: var(--paper-3);
  color: var(--blue);
  font-size: 0.65em;
  vertical-align: middle;
}
h3 { margin: 0 0 10px; font-size: 19px; font-weight: 600; }

.lead {
  max-width: 860px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
}

.hero-media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.caption {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  background: var(--paper-2);
}

/* Value pillars (index hero) */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.pillar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(6px);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.pillar:hover { border-color: var(--cyan); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.pillar .ico {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(14,165,233,0.14), rgba(13,148,136,0.14));
  color: var(--blue);
}
.pillar h3 { margin: 0; font-size: 15px; }
.pillar p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.55; }

/* ───────── Section ───────── */
.section { padding: 40px 0; position: relative; }
.section + .section { border-top: 1px solid rgba(214, 226, 238, 0.62); }
.section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 16px;
  margin-bottom: 22px; flex-wrap: wrap;
}
.section-head h2 { margin: 0; }
.section-head .meta { color: var(--muted); font-size: 14px; font-family: "JetBrains Mono", monospace; }

/* ───────── Grid ───────── */
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ───────── Cards ───────── */
.card, .report-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
}
.card { padding: 22px; }
.card h3 .ico {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px;
  margin-right: 8px; vertical-align: -6px;
  border-radius: 7px;
  background: var(--paper-3);
  color: var(--blue);
}

.report-card {
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  display: flex; flex-direction: column;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  position: relative;
}
.report-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.report-card .thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--paper-3), #ffffff);
  overflow: hidden;
}
.report-card .thumb::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(400px 200px at 20% 20%, rgba(14,165,233,0.18), transparent 60%),
    radial-gradient(400px 200px at 80% 80%, rgba(109,40,217,0.14), transparent 60%);
  z-index: 0;
}
.report-card .thumb img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.report-card .glyph {
  position: absolute;
  right: 14px; bottom: 14px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--blue);
  z-index: 2;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
  backdrop-filter: blur(8px);
}
.report-card .glyph svg { width: 30px; height: 30px; }
.report-card .topic {
  position: absolute; left: 12px; top: 12px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.report-card-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.report-card h3 { margin: 0; }
.report-card p, .card p { margin: 0; color: var(--muted); }
.report-card .row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 6px;
}
.report-card .read {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue); font-weight: 700; font-size: 14px;
}
.report-card .read::after { content: "→"; transition: transform 200ms ease; }
.report-card:hover .read::after { transform: translateX(3px); }

/* ───────── KPI ───────── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.kpi {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.94);
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: ""; position: absolute; inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  opacity: 0.85;
}
.kpi strong {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 26px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.1;
}
.kpi span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

/* ───────── Pill ───────── */
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  background: #ffffff;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.pill::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; opacity: 0.7;
}
.pill.blue { color: var(--blue); border-color: rgba(3, 105, 161, 0.35); background: rgba(14, 165, 233, 0.08); }
.pill.green { color: var(--green); border-color: rgba(22, 163, 74, 0.35); background: rgba(34, 197, 94, 0.08); }
.pill.amber { color: var(--amber); border-color: rgba(180, 83, 9, 0.35); background: rgba(245, 158, 11, 0.10); }
.pill.rose { color: var(--rose); border-color: rgba(190, 18, 60, 0.35); background: rgba(244, 63, 94, 0.08); }
.pill.violet { color: var(--violet); border-color: rgba(109, 40, 217, 0.30); background: rgba(139, 92, 246, 0.08); }
.pill.teal { color: var(--teal); border-color: rgba(13, 148, 136, 0.35); background: rgba(20, 184, 166, 0.08); }

/* ───────── Callout ───────── */
.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 18px 20px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}
.callout.risk { border-left-color: var(--rose); background: linear-gradient(180deg, #fff5f7 0%, #ffffff 60%); }
.callout.good { border-left-color: var(--green); background: linear-gradient(180deg, #f3fbf5 0%, #ffffff 60%); }
.callout.warn { border-left-color: var(--amber); background: linear-gradient(180deg, #fff8eb 0%, #ffffff 60%); }
.callout h3 { display: flex; align-items: center; gap: 8px; }

/* ───────── Table ───────── */
table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}
th, td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
}
th { background: #e0f2fe; color: #0c4a6e; font-weight: 700; font-size: 13.5px; letter-spacing: 0.02em; text-transform: uppercase; }
tbody tr:nth-child(even) td { background: #fafcfe; }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; border-radius: var(--radius); }

/* ───────── Code ───────── */
pre, code { font-family: "JetBrains Mono", Consolas, monospace; }
code { color: #075985; background: #ecf6fd; padding: 1px 6px; border-radius: 5px; font-size: 0.9em; }
pre {
  overflow-x: auto;
  margin: 0;
  padding: 18px;
  border: 1px solid #0c4a6e;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #082f49 0%, #0c1929 100%);
  color: #e0f2fe;
  line-height: 1.6;
  font-size: 13.5px;
  box-shadow: var(--shadow);
}
pre code { background: transparent; color: inherit; padding: 0; }

/* ───────── Flow ───────── */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}
.step {
  min-height: 118px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: #ffffff;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.step::after {
  content: "→";
  position: absolute;
  top: 50%; right: -14px;
  transform: translateY(-50%);
  color: var(--cyan);
  font-weight: 700;
  font-size: 18px;
}
.step:last-child::after { display: none; }
.step b {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
}

/* ───────── Sources ───────── */
.sources { display: grid; gap: 10px; }
.source-link {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
  background: #ffffff;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  transition: border-color 180ms ease, transform 180ms ease;
}
.source-link span { color: var(--muted); font-weight: 500; font-size: 13.5px; }
.source-link:hover { border-color: var(--cyan); color: var(--blue); transform: translateX(2px); }

/* ───────── Footer ───────── */
.footer {
  padding: 40px 0 56px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line-soft);
  margin-top: 36px;
}
.footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer .brand { font-size: 14px; }

.muted { color: var(--muted); }
.mono { font-family: "JetBrains Mono", monospace; }

/* ───────── Decoration ───────── */
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ───────── Card theme tokens (drive hover accent) ───────── */
.theme-feishu     { --cv-acc: #38bdf8; }
.theme-ruview     { --cv-acc: #34d399; }
.theme-warp       { --cv-acc: #a78bfa; }
.theme-planning   { --cv-acc: #4ade80; }
.theme-ralph      { --cv-acc: #fb7185; }
.theme-reach      { --cv-acc: #60a5fa; }
.theme-playwright { --cv-acc: #fbbf24; }
.theme-mattpocock { --cv-acc: #c4b5fd; }

.report-card.themed:hover { border-color: var(--cv-acc); box-shadow: 0 18px 50px color-mix(in srgb, var(--cv-acc) 25%, transparent); }
.report-card.themed:hover .glyph { color: var(--cv-acc); }

/* ───────── Scroll Reveal (L4 motion) ───────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { transition-delay: 60ms; }
.reveal[data-delay="2"] { transition-delay: 120ms; }
.reveal[data-delay="3"] { transition-delay: 180ms; }
.reveal[data-delay="4"] { transition-delay: 240ms; }
.reveal[data-delay="5"] { transition-delay: 300ms; }
.reveal[data-delay="6"] { transition-delay: 360ms; }
.reveal[data-delay="7"] { transition-delay: 420ms; }
.reveal[data-delay="8"] { transition-delay: 480ms; }

/* Infinite micro-motion: hero SVG dot pulse */
@keyframes hubPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.18); opacity: 0.85; }
}
.hero-media svg .pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: hubPulse 3.6s ease-in-out infinite;
}
.hero-media svg .pulse-2 { animation-delay: 0.8s; }
.hero-media svg .pulse-3 { animation-delay: 1.6s; }

/* Cover SVG subtle drift on hover */
.report-card.themed .cv-drift { transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1); }
.report-card.themed:hover .cv-drift { transform: translate(6px, -4px); }

/* KPI hover lift */
.kpi { transition: transform 200ms ease, border-color 200ms ease; }
.kpi:hover { transform: translateY(-2px); border-color: var(--cyan); }

/* ───────── Responsive ───────── */
@media (max-width: 1024px) {
  .pillars, .grid.four, .kpi-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .hero-grid,
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .step::after { content: "↓"; right: 50%; top: auto; bottom: -16px; transform: translateX(50%); }
  .step:last-child::after { display: none; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 22px, 1180px); }
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .nav { justify-content: flex-start; }
  .hero { padding: 36px 0 24px; }
  .pillars, .grid.four, .kpi-row { grid-template-columns: 1fr; }
  h1 { font-size: clamp(32px, 8vw, 48px); }
  .section { padding: 30px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

@media print {
  .topbar { position: static; }
  body { background: #fff; }
  .hero-media, .report-card, .card, .callout, .kpi, .step, .pillar, pre { box-shadow: none; }
  .report-card { break-inside: avoid; }
}