/* PacFully Docs — light Apple-like, flat accent, no gradients */

:root {
  --bg: #ffffff;
  --bg-band: #f5f5f7;
  --ink: #1d1d1f;
  --ink-2: rgba(0, 0, 0, 0.56);
  --ink-3: rgba(0, 0, 0, 0.38);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --hairline: rgba(0, 0, 0, 0.08);
  --hairline-strong: rgba(0, 0, 0, 0.12);
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 56px;
  --measure: 72rem;
  --font-display: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Avenir Next", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

code,
.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ——— Layout ——— */

.wrap {
  width: min(100% - 2.5rem, var(--measure));
  margin-inline: auto;
}

.band {
  padding: 4.5rem 0;
}

.band-alt {
  background: var(--bg-band);
}

.band-tight {
  padding: 3rem 0;
}

/* ——— Nav ——— */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--glass);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: min(100% - 1.5rem, var(--measure));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  flex-shrink: 0;
}

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

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
  list-style: none;
  padding: 0;
  margin-block: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-cta {
  display: none;
  margin-left: 0.35rem;
  padding: 0.4rem 0.9rem !important;
  border-radius: 999px !important;
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  text-decoration: none !important;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--hairline-strong);
  background: #fff;
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--hairline);
    padding: 0.75rem 1rem 1rem;
    gap: 0.15rem;
    margin-left: 0;
    box-shadow: var(--shadow);
  }

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

  .nav-cta {
    display: block;
    text-align: center;
    margin: 0.5rem 0 0;
  }
}

@media (min-width: 921px) {
  .nav-cta {
    display: inline-block;
  }
}

/* ——— Hero ——— */

.hero {
  padding: 4.25rem 0 3.25rem;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero h1,
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0 auto 1rem;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  max-width: 16ch;
}

.page-hero h1 {
  max-width: 22ch;
  text-align: left;
  margin-left: 0;
}

.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-2);
  max-width: 42rem;
  margin: 0 auto 1.75rem;
  line-height: 1.5;
}

.page-hero .lede {
  margin-left: 0;
  text-align: left;
}

.page-hero {
  padding: 3rem 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.page-hero .cta-row {
  justify-content: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.03);
  color: var(--ink);
}

/* ——— Cards / panels ——— */

.glass {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow);
}

.band-alt .panel {
  background: #fff;
}

.grid-2 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

@media (max-width: 900px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 701px) and (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.stat {
  text-align: left;
  padding: 1.25rem 1.35rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1.1;
}

.stat-label {
  margin-top: 0.35rem;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
}

.pill-warn {
  background: rgba(180, 83, 9, 0.1);
  color: #9a3412;
}

.pill-ok {
  background: rgba(22, 163, 74, 0.1);
  color: #15803d;
}

.pill-muted {
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink-2);
}

/* ——— Typography content ——— */

h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.2;
  font-weight: 650;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.05rem;
}

.section-intro {
  color: var(--ink-2);
  max-width: 40rem;
  margin: 0 0 2rem;
  font-size: 1.05rem;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.prose p.muted,
.muted {
  color: var(--ink-2);
}

.prose ul,
.prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
  color: var(--ink);
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose li::marker {
  color: var(--ink-3);
}

.prose strong {
  font-weight: 650;
}

.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 0.95rem 1.15rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.25rem 0;
}

.callout.warn {
  border-left-color: #c2410c;
  background: rgba(194, 65, 12, 0.07);
}

.callout p {
  margin: 0;
  color: var(--ink);
  font-size: 0.98rem;
}

.callout + .callout {
  margin-top: 0.85rem;
}

/* ——— Tables ——— */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: #fff;
  margin: 1.25rem 0 1.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--bg-band);
}

tr:last-child td {
  border-bottom: none;
}

td code {
  background: rgba(0, 0, 0, 0.04);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
}

/* ——— Diagrams ——— */

.diagram {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.25rem 0 1.75rem;
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.diagram-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-2);
  margin: 0 0 0.85rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.mermaid {
  display: flex;
  justify-content: center;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

.flow-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.85rem;
}

.flow-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 1.15rem;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
}

.flow-steps li::before {
  content: counter(step);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.flow-steps strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.2rem;
}

.flow-steps span {
  color: var(--ink-2);
  font-size: 0.95rem;
}

/* Journey map */

.journey {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  margin: 0 0 1.75rem;
  box-shadow: var(--shadow);
}

.journey-head {
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--hairline);
  background: var(--bg-band);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.journey-head h3 {
  margin: 0;
}

.journey-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.journey-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(9rem, 1fr));
  gap: 0;
  overflow-x: auto;
}

.journey-stage {
  padding: 1.15rem 1.1rem;
  border-right: 1px solid var(--hairline);
  min-width: 10.5rem;
}

.journey-stage:last-child {
  border-right: none;
}

.journey-stage .stage-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.45rem;
}

.journey-stage h4 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

.journey-stage p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.45;
}

.journey-foot {
  padding: 1rem 1.35rem 1.25rem;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: #fafafa;
}

@media (max-width: 700px) {
  .journey-foot {
    grid-template-columns: 1fr;
  }
}

.journey-foot h4 {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.journey-foot ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  color: var(--ink);
}

/* TOC */

.layout-docs {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 4rem;
}

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

  .toc {
    position: static !important;
  }
}

.toc {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  padding: 1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.88rem;
}

.toc-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 0.65rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.1rem;
}

.toc a {
  color: var(--ink-2);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}

/* Catalog chips */

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: #fff;
  font-size: 0.88rem;
  color: var(--ink);
}

.chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.chip.muted .dot {
  background: var(--ink-3);
}

/* Swimlane */

.swimlanes {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 1.5rem;
}

.lane {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.75rem;
  align-items: stretch;
}

@media (max-width: 600px) {
  .lane {
    grid-template-columns: 1fr;
  }
}

.lane-actor {
  background: var(--bg-band);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
}

.lane-track {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  padding: 0.55rem;
  border: 1px dashed var(--hairline-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}

.lane-node {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(0, 113, 227, 0.18);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.lane-arrow {
  color: var(--ink-3);
  font-size: 0.9rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--bg-band);
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr repeat(3, 1fr);
}

@media (max-width: 800px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}

.footer-copy {
  color: var(--ink-2);
  font-size: 0.92rem;
  margin: 0;
  max-width: 22rem;
}

.footer-col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin: 0 0 0.65rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col a {
  display: block;
  color: var(--ink-2);
  padding: 0.2rem 0;
  font-size: 0.92rem;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  color: var(--ink-3);
  font-size: 0.85rem;
}

/* Feature list */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--hairline);
}

.feature-row:last-child {
  border-bottom: none;
}

@media (max-width: 800px) {
  .feature-row {
    grid-template-columns: 1fr;
  }
}

.feature-row .visual {
  background: var(--bg-band);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  min-height: 12rem;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ascii-box {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--ink-2);
  white-space: pre;
  overflow-x: auto;
}

/* Honest status badges in lists */
.status-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.status-list li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}

.status-list li:last-child {
  border-bottom: none;
}

@media (max-width: 560px) {
  .status-list li {
    grid-template-columns: 1fr;
  }
}

.kicker {
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

/* Screenshots */

figure.shot {
  margin: 1.35rem 0 1.85rem;
  padding: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

figure.shot img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

figure.shot figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--ink-2);
  border-top: 1px solid var(--hairline);
  background: var(--bg-band);
  line-height: 1.4;
}

figure.shot.shot-sm {
  max-width: 28rem;
}

figure.shot.shot-pair {
  margin: 0;
}

.shot-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.25rem 0 1.75rem;
}

@media (max-width: 700px) {
  .shot-grid {
    grid-template-columns: 1fr;
  }
}

.kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82em;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--hairline-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  line-height: 1.3;
}

.guide-step {
  display: grid;
  gap: 1rem;
  margin: 0 0 2.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--hairline);
}

.guide-step:last-child {
  border-bottom: none;
}

.guide-step .step-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.35rem;
}