/* VistA Forge — org site
   Palette is semantic, not decorative:
     ember = the v (VistA-specific) layer
     cyan  = the m (engine-neutral) layer
   Keep that mapping intact when adding sections. */

:root {
  --bg: #0b0e14;
  --bg-elev: #121722;
  --bg-elev-2: #19202e;
  --border: #262e3d;
  --border-bright: #37425a;

  --text: #e6edf3;
  --text-dim: #9aa7b8;
  --text-faint: #6b7789;

  --ember: #ff8c42;
  --ember-bright: #ffa864;
  --ember-wash: rgba(255, 140, 66, 0.09);
  --ember-line: rgba(255, 140, 66, 0.32);

  --cyan: #35c5e8;
  --cyan-bright: #6fdcf7;
  --cyan-wash: rgba(53, 197, 232, 0.08);
  --cyan-line: rgba(53, 197, 232, 0.3);

  --ok: #4ec9a0;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --maxw: 1080px;
  --radius: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-elev: #f7f8fa;
    --bg-elev-2: #eef1f5;
    --border: #dfe3ea;
    --border-bright: #c3cad6;

    --text: #131820;
    --text-dim: #515c6b;
    --text-faint: #79838f;

    --ember: #c2521a;
    --ember-bright: #a8440f;
    --ember-wash: rgba(194, 82, 26, 0.07);
    --ember-line: rgba(194, 82, 26, 0.3);

    --cyan: #0b7c99;
    --cyan-bright: #085f76;
    --cyan-wash: rgba(11, 124, 153, 0.07);
    --cyan-line: rgba(11, 124, 153, 0.28);

    --ok: #0f7a55;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

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

p code, li code, td code {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.08em 0.36em;
  color: var(--text);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ember);
  color: #000;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 3px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
  font-size: 1.02rem;
}
.brand:hover { text-decoration: none; }

/* The org mark is a 3D render on a white plate — its brightest chrome facets are
   the same pure white as its background, so it can't be knocked out without
   eating the metal. Present it ON the plate: rounded, ringed, like an app icon. */
.brand__mark {
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 0 0 1px var(--border-bright);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.nav a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 860px) {
  .nav a.nav--opt { display: none; }
}
@media (max-width: 560px) {
  .nav { gap: 1rem; }
}

/* ---------- hero ---------- */

.hero {
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60rem 26rem at 18% -8%, var(--ember-wash), transparent 68%),
    radial-gradient(52rem 24rem at 92% 4%, var(--cyan-wash), transparent 66%);
}

.hero__note {
  margin: 1.6rem 0 0;
  font-size: 0.85rem;
  color: var(--text-faint);
  max-width: 58ch;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}

.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  border-radius: 100px;
  border: 1px solid var(--border-bright);
  color: var(--text-dim);
  background: var(--bg-elev);
}
.chip--live { border-color: var(--ember-line); color: var(--ember); }
.chip--eng  { border-color: var(--cyan-line); color: var(--cyan); }

.hero h1 {
  font-size: clamp(2.6rem, 6.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 0.9rem;
  font-weight: 700;
}
.hero h1 .forge {
  background: linear-gradient(96deg, var(--ember) 12%, var(--ember-bright) 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__tag {
  font-size: clamp(1.12rem, 2.4vw, 1.4rem);
  color: var(--text);
  font-weight: 550;
  margin: 0 0 1.3rem;
  letter-spacing: -0.012em;
  max-width: 34ch;
}

.hero__lead {
  font-size: 1.04rem;
  color: var(--text-dim);
  max-width: 66ch;
  margin: 0 0 2rem;
}
.hero__lead strong { color: var(--text); font-weight: 600; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid var(--border-bright);
  color: var(--text);
  background: var(--bg-elev);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--text-faint); background: var(--bg-elev-2); }

.btn--primary {
  background: var(--ember);
  border-color: var(--ember);
  color: #14100c;
}
.btn--primary:hover { background: var(--ember-bright); border-color: var(--ember-bright); }

.hero__snippet {
  margin-top: 2.2rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  max-width: 100%;
  overflow-x: auto;
}
.hero__snippet .prompt { color: var(--ember); user-select: none; }
.hero__snippet code { color: var(--text-dim); white-space: nowrap; }

/* ---------- sections ---------- */

.section { padding: 4.5rem 0; border-bottom: 1px solid var(--border); }
.section--flush { border-bottom: none; }

.section__kicker {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 0.7rem;
}

.section h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.15rem);
  letter-spacing: -0.028em;
  line-height: 1.15;
  margin: 0 0 0.9rem;
  font-weight: 680;
}

.section__intro {
  color: var(--text-dim);
  max-width: 70ch;
  margin: 0 0 2.5rem;
}
.section__intro strong { color: var(--text); font-weight: 600; }

h3 {
  font-size: 1.12rem;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  font-weight: 640;
}

/* ---------- the two claims ---------- */

.claims {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 820px) {
  .claims { grid-template-columns: 1fr; }
}

.claim {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  background: var(--bg-elev);
}
.claim--v { border-top: 2px solid var(--ember); }
.claim--m { border-top: 2px solid var(--cyan); }

/* Portable spans the whole org — both layers — so it runs full-width with an
   ember→cyan accent rather than a single-layer color. */
.claim--o {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
}
.claim--o::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ember), var(--cyan));
}

.claim__eyebrow {
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.claim--v .claim__eyebrow { color: var(--ember); }
.claim--m .claim__eyebrow { color: var(--cyan); }
.claim--o .claim__eyebrow {
  background: linear-gradient(90deg, var(--ember), var(--cyan-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.claim h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }

.claim > p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0 0 1.1rem;
}

.claim ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.claim li {
  font-size: 0.92rem;
  color: var(--text-dim);
  padding-left: 1.1rem;
  position: relative;
}
.claim li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-faint);
}
.claim--v li::before { background: var(--ember-line); }
.claim--m li::before { background: var(--cyan-line); }
.claim li strong { color: var(--text); font-weight: 600; }

/* full-width Portable card: two columns of bullets on wide screens */
.claim--o ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.6rem;
}
@media (max-width: 820px) {
  .claim--o ul { grid-template-columns: 1fr; }
}

/* ---------- numbers ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats { grid-template-columns: 1fr; } }

.stat {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: var(--bg-elev);
}
.stat__num {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ember);
  font-family: var(--mono);
}
.stat__label {
  font-size: 0.84rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

/* ---------- tables ---------- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 520px;
}

th, td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }

th {
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 500;
  background: var(--bg-elev-2);
  white-space: nowrap;
}

td { color: var(--text-dim); }
td strong, td a { font-weight: 600; }

.tag {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-faint);
  white-space: nowrap;
}
.tag--has { color: var(--ok); }

/* ---------- the stack ---------- */

.stack {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
}

.band__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.7rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.band--v .band__head { background: var(--ember-wash); color: var(--ember); }
.band--m .band__head { background: var(--cyan-wash); color: var(--cyan); }
.band__head span { color: var(--text-faint); letter-spacing: 0.02em; text-transform: none; }

.layer {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 1.1rem;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.layer:last-child { border-bottom: none; }
@media (max-width: 680px) {
  .layer { grid-template-columns: 1fr; gap: 0.25rem; }
}

.layer__name {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.layer__desc { font-size: 0.88rem; color: var(--text-dim); }

/* a seam row: dashed + gray — an enforced contract, not a component */
.layer--seam { background: var(--bg-elev-2); }
.layer--seam .layer__name {
  font-style: italic;
  font-weight: 500;
  color: var(--text-faint);
}
.layer--seam .layer__desc { font-style: italic; color: var(--text-faint); }
.layer--seam .layer__name::before {
  content: "seam ";
  font-style: normal;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  opacity: 0.6;
}

.waterline {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.75rem 1.1rem;
  background: repeating-linear-gradient(
    -45deg,
    transparent, transparent 6px,
    var(--border) 6px, var(--border) 7px
  );
  border-top: 1px solid var(--border-bright);
  border-bottom: 1px solid var(--border-bright);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}
.waterline b {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- seam / drivers diagram ---------- */

.seam-fig {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 1.6rem;
  margin-top: 2rem;
}

.seam-fig__top {
  border: 1px dashed var(--cyan-line);
  background: var(--cyan-wash);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  text-align: center;
}
.seam-fig__top .n { font-family: var(--mono); font-weight: 600; color: var(--cyan); font-size: 0.9rem; }
.seam-fig__top .d { font-size: 0.83rem; color: var(--text-dim); margin-top: 0.2rem; }

.seam-fig__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.9rem;
}
@media (max-width: 620px) { .seam-fig__split { grid-template-columns: 1fr; } }

.driver {
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  background: var(--bg-elev-2);
  text-align: center;
}
.driver .n { font-family: var(--mono); font-weight: 600; font-size: 0.88rem; color: var(--text); }
.driver .d { font-size: 0.8rem; color: var(--text-faint); margin-top: 0.2rem; }
.driver .e {
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
}

/* ---------- task cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: var(--bg-elev);
}
.card__task {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 0.5rem;
}
.card p { font-size: 0.9rem; color: var(--text-dim); margin: 0; }

/* ---------- principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 2.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
@media (max-width: 820px) { .principles { grid-template-columns: 1fr; } }

.principles li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-dim);
}
.principles li strong { display: block; color: var(--text); font-weight: 620; margin-bottom: 0.15rem; }

/* ---------- callout ---------- */

.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--ember);
  border-radius: 0 8px 8px 0;
  background: var(--bg-elev);
  padding: 1.1rem 1.3rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 2.5rem;
}
.callout strong { color: var(--text); }

/* what a visitor can actually get today */
.callout--now {
  border-left-color: var(--ok);
  margin-top: 0;
}

/* ---------- footer ---------- */

.site-footer {
  padding: 3rem 0 4rem;
  color: var(--text-faint);
  font-size: 0.86rem;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); }

.disclaimer {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  max-width: 78ch;
  line-height: 1.6;
}
.disclaimer strong { color: var(--text-dim); }