/* ==========================================================================
   Meles — shared stylesheet
   Palette derived from the logo navy (#111A37). One interactive blue,
   one functional amber (used only to flag illustrative examples).
   Type: IBM Plex Sans (text) + IBM Plex Mono (labels, data, demo).
   ========================================================================== */

:root {
  --navy: #111a37;
  --navy-deep: #0b1128;
  --ink: #1a2138;
  --body: #414b63;
  --muted: #67718b;
  --line: #e2e5ee;
  --line-soft: #edeff5;
  --paper: #f6f7fa;
  --panel: #eef1f8;
  --white: #ffffff;
  --link: #2a47b8;
  --link-dark: #21388f;
  --amber-bg: #fbf3dc;
  --amber-border: #e8d7a4;
  --amber-text: #6f520c;
  --ok: #1d6f4c;
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Code", ui-monospace, "SF Mono", Consolas, monospace;
  --maxw: 1080px;
  --maxw-prose: 46rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.012em;
  margin: 0 0 0.6em;
  font-weight: 600;
}
h1 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.5rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.75rem); }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-dark); text-decoration: underline; }
a:focus-visible, button:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
  border-radius: 2px;
}

ul { padding-left: 1.2rem; margin: 0 0 1em; }
li { margin-bottom: 0.45em; }
li:last-child { margin-bottom: 0; }

strong { color: var(--ink); font-weight: 600; }

code, .mono { font-family: var(--font-mono); font-size: 0.92em; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.prose { max-width: var(--maxw-prose); }

/* --------------------------------------------------------------------------
   Signature: badger stripes — two angled parallel strokes from the mark,
   used as the eyebrow marker that opens every section.
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 12px;
  flex: none;
  background:
    linear-gradient(105deg, transparent 24%, var(--navy) 24%, var(--navy) 44%, transparent 44%,
      transparent 60%, var(--navy) 60%, var(--navy) 80%, transparent 80%);
}
.eyebrow--light { color: #a8b1cf; }
.eyebrow--light::before {
  background:
    linear-gradient(105deg, transparent 24%, #ffffff 24%, #ffffff 44%, transparent 44%,
      transparent 60%, #ffffff 60%, #ffffff 80%, transparent 80%);
}

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 30px; width: auto; }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}
.site-nav li { margin: 0; }
.site-nav a {
  display: block;
  padding: 0.45rem 0.7rem;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--body);
  border-radius: var(--radius-sm);
}
.site-nav a:hover { color: var(--ink); background: var(--paper); text-decoration: none; }
.site-nav a[aria-current="page"] {
  color: var(--navy);
  box-shadow: inset 0 -2px 0 var(--navy);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.site-nav .nav-cta a {
  background: var(--navy);
  color: #fff;
  box-shadow: none;
  border-radius: var(--radius-sm);
  margin-left: 0.35rem;
}
.site-nav .nav-cta a:hover { background: var(--navy-deep); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.4rem; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: none;
    box-shadow: 0 12px 24px rgba(17, 26, 55, 0.08);
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 0.6rem 1rem 1rem; gap: 0.15rem; }
  .site-nav a { padding: 0.7rem 0.6rem; font-size: 1rem; }
  .site-nav a[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--navy);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--paper);
  }
  .site-nav .nav-cta a { margin: 0.4rem 0 0; text-align: center; }
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: 4.25rem 0; }
.section--paper { background: var(--paper); }
.section--tight { padding: 3rem 0; }
.section-head { max-width: var(--maxw-prose); margin-bottom: 2.25rem; }
.section-head p { color: var(--body); }

@media (max-width: 760px) {
  .section { padding: 3rem 0; }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero { padding: 4.5rem 0 4rem; border-bottom: 1px solid var(--line-soft); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 3rem;
  align-items: center;
}
.hero-grid > * { min-width: 0; }
.hero h1 { margin-bottom: 0.8rem; max-width: 24ch; }
.hero .lede { font-size: 1.125rem; max-width: 46ch; }
.hero-stack {
  margin-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

@media (max-width: 900px) {
  .hero { padding: 3rem 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.25rem; }
}

@media (max-width: 640px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  line-height: 1.3;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-deep); color: #fff; }
.btn--ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--paper); color: var(--navy-deep); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* Flow diagram card (hero + technical page) */
.diagram-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(17, 26, 55, 0.04), 0 12px 32px -18px rgba(17, 26, 55, 0.18);
}
.diagram-card figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.8rem;
}
.diagram-card svg { width: 100%; height: auto; }
.diagram-card .diagram-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.diagram-card .diagram-scroll svg { min-width: 420px; display: block; }
.diagram-card--wide .diagram-scroll svg { min-width: 760px; }

/* --------------------------------------------------------------------------
   Cards & grids
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid--2, .grid--3 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.95rem; }
.card .card-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.6rem;
}

.card--quiet { background: transparent; border-color: var(--line); }

/* Pain-point list (home) */
.pain-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.9rem; }
.pain-list li {
  display: flex;
  gap: 0.8rem;
  margin: 0;
  padding: 0.9rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.97rem;
}
.pain-list .tick { color: var(--navy); font-weight: 600; flex: none; font-family: var(--font-mono); }

/* Steps (numbered — the delivery process is a real sequence) */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; gap: 0; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 600;
  padding-top: 0.15rem;
}
.steps h3 { margin-bottom: 0.25rem; font-size: 1.05rem; }
.steps p { font-size: 0.95rem; margin: 0; }

/* Definition rows (technical page) */
.def-rows { display: grid; gap: 0; border-top: 1px solid var(--line); }
.def-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}
.def-row dt {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.98rem;
}
.def-row dt .mono-sub {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}
.def-row dd { margin: 0; font-size: 0.96rem; }
@media (max-width: 700px) {
  .def-row { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* Tags */
.tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  white-space: nowrap;
}

/* Illustrative-example flag — functional amber, used nowhere else */
.example-block {
  border: 1px solid var(--amber-border);
  background: var(--amber-bg);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
}
.example-flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-text);
  border: 1px solid var(--amber-border);
  background: #fff;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.9rem;
}
.example-block p { font-size: 0.96rem; color: #4b431f; }
.example-block strong { color: #3a3418; }

/* Principles (trust section) */
.principles { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 700px) { .principles { grid-template-columns: 1fr; } }
.principle {
  border-left: 3px solid var(--navy);
  background: var(--white);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.2rem;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.principle h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.principle p { font-size: 0.93rem; margin: 0; }

/* CTA band */
.cta-band { background: var(--navy); color: #c9d0e6; }
.cta-band .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.cta-band h2 { color: #fff; margin-bottom: 0.4rem; }
.cta-band p { margin: 0; max-width: 52ch; }

/* --------------------------------------------------------------------------
   Demo page
   -------------------------------------------------------------------------- */
.demo-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 1px 2px rgba(17, 26, 55, 0.04), 0 16px 40px -24px rgba(17, 26, 55, 0.25);
}
.demo-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.1rem;
  background: var(--navy);
  color: #fff;
}
.demo-titlebar .demo-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.demo-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  white-space: nowrap;
}
.demo-log {
  padding: 1.25rem;
  display: grid;
  gap: 0.9rem;
  min-height: 220px;
  max-height: 460px;
  overflow-y: auto;
  background: var(--paper);
}
.msg { max-width: 92%; }
.msg-user { justify-self: end; }
.msg-user .bubble {
  background: var(--navy);
  color: #eef1f8;
  border-radius: var(--radius) var(--radius) 4px var(--radius);
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
}
.msg-agent .bubble {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) var(--radius) 4px;
  padding: 0.85rem 1.05rem;
  font-size: 0.93rem;
}
.msg-agent .bubble p { margin-bottom: 0.6em; }
.msg-agent .bubble ul { margin-bottom: 0.4em; }
.msg-agent .bubble li { font-size: 0.9rem; margin-bottom: 0.3em; }
.msg .who {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.msg-user .who { text-align: right; }
.agent-step {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: var(--panel);
  border-radius: 4px;
  display: inline-block;
  padding: 0.15rem 0.5rem;
  margin-bottom: 0.55rem;
}
.mini-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin: 0.4rem 0 0.6rem; }
.mini-table th, .mini-table td {
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}
.mini-table th { color: var(--muted); font-weight: 500; letter-spacing: 0.05em; }
.demo-controls {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  background: var(--white);
}
.demo-controls .hint { font-size: 0.85rem; color: var(--muted); margin: 0; }
.redacted {
  background: var(--panel);
  border-radius: 3px;
  padding: 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.safety-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy);
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 1.4rem 1.5rem;
}
.safety-panel h3 { font-size: 1.02rem; }
.safety-panel ul { font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   Contact form (static UI, wired later)
   -------------------------------------------------------------------------- */
.form-grid { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  background: #fff;
}
.field textarea { min-height: 140px; resize: vertical; }
.form-note {
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}
.placeholder-chip {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--panel);
  border: 1px dashed #c3cadf;
  border-radius: 4px;
  padding: 0.05rem 0.45rem;
  color: var(--navy);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--navy-deep);
  color: #a9b2cf;
  padding: 3rem 0 2rem;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; } }
.site-footer img { height: 26px; width: auto; margin-bottom: 0.9rem; }
.site-footer h4 {
  color: #fff;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.8rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: #cbd2e8; }
.site-footer a:hover { color: #fff; }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.4rem;
  font-size: 0.8rem;
  color: #7d87a8;
}

/* Page intro (subpages) */
.page-intro {
  padding: 3.5rem 0 3rem;
  border-bottom: 1px solid var(--line-soft);
}
.page-intro h1 { max-width: 22ch; }
.page-intro .lede { font-size: 1.1rem; max-width: var(--maxw-prose); }

/* Utility */
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.small { font-size: 0.88rem; color: var(--muted); }
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }