/* SA-SDL site layer on top of Orbitarium Design */

/* Fonts: IBM Plex Sans (variable, wght 100-700) + IBM Plex Mono Regular, self-hosted (SIL OFL 1.1, see /fonts/OFL.txt) */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 100 700; font-display: swap; src: url("/fonts/ibm-plex-sans-var.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-400.woff2") format("woff2"); }

:root {
  --orb-primary: #4462c8;
  --orb-primary-ink: #ffffff;
  --brand-red: #8f4446;
  --brand-red-ink: #ffffff;
  --orb-font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --orb-font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
}

.orb-dark {
  --orb-primary: #7590e6;
  --orb-primary-ink: #0a1028;
  --brand-red: #c87476;
  --brand-red-ink: #1c0809;
}

.tone-sdcl { --orb-tone: var(--brand-red); --orb-tone-ink: var(--brand-red-ink); }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--orb-header-h) + 16px); }
body { min-height: 100vh; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--orb-radius-sm);
  background: var(--orb-primary);
  color: var(--orb-primary-ink);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--orb-primary); outline-offset: 2px; }

/* header */
.brand-sub { display: block; font-size: 0.6875rem; font-weight: 500; color: var(--orb-text-muted); letter-spacing: 0; }
.header-actions { display: flex; align-items: center; gap: var(--orb-space-2); }
.orb-brand img { width: 32px; height: 32px; }

/* hero */
.hero { padding: var(--orb-space-16) 0 var(--orb-space-12); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--orb-space-12); align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.08; text-wrap: balance; margin-bottom: var(--orb-space-5); }
.hero .orb-lead { font-size: 1.0625rem; margin-bottom: var(--orb-space-8); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--orb-space-2); margin-top: var(--orb-space-6); }

/* license excerpt card */
.doc {
  position: relative;
  border: 1px solid var(--orb-border);
  border-radius: var(--orb-radius-lg);
  background: var(--orb-surface);
  box-shadow: var(--orb-shadow-md);
  overflow: hidden;
}
.doc::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-red) 0 50%, var(--orb-primary) 50% 100%);
}
.doc-head { display: flex; justify-content: space-between; align-items: center; gap: var(--orb-space-3); padding: 14px 20px; border-bottom: 1px solid var(--orb-border); font-size: 0.8125rem; color: var(--orb-text-muted); }
.doc-head strong { color: var(--orb-text); font-weight: 600; }
.doc-body { padding: 20px; font-family: var(--orb-font-mono); font-size: 0.8125rem; line-height: 1.75; white-space: pre-wrap; color: var(--orb-text); overflow-x: auto; }
.doc-body .dim { color: var(--orb-text-subtle); }

.v {
  background: color-mix(in srgb, var(--orb-primary) 15%, transparent);
  color: var(--orb-primary-text);
  border-radius: 4px;
  padding: 0 3px;
  font-weight: 700;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.doc-body .v, .license-out .v { font-weight: 400; }
.doc-body .dim { font-weight: 400; }
.v.is-empty {
  background: color-mix(in srgb, var(--orb-warning) 16%, transparent);
  color: color-mix(in srgb, var(--orb-warning) 70%, var(--orb-text));
  font-weight: 600;
}

/* allowed / needs approval */
.rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--orb-space-6); }
.rule-card { padding: var(--orb-space-6); border-radius: var(--orb-radius-lg); border: 1px solid var(--orb-border); background: var(--orb-surface); }
.rule-card h3 { display: flex; align-items: center; gap: var(--orb-space-3); font-size: 1.0625rem; margin-bottom: var(--orb-space-2); }
.rule-card > p { color: var(--orb-text-muted); font-size: 0.875rem; margin-bottom: var(--orb-space-5); }
.rule-list { list-style: none; display: grid; gap: var(--orb-space-3); }
.rule-list li { display: flex; gap: var(--orb-space-3); font-size: 0.9375rem; line-height: 1.5; }
.rule-list svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.rule-yes svg { color: var(--orb-success); }
.rule-ask svg { color: var(--orb-warning); }
.rule-ask { border-color: color-mix(in srgb, var(--orb-warning) 35%, var(--orb-border)); }

/* steps (real sequence from section 3) */
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--orb-space-4); }
.steps li { counter-increment: step; position: relative; padding: var(--orb-space-6) var(--orb-space-5) var(--orb-space-5); border-top: 3px solid var(--orb-border-strong); }
.steps li:last-child { border-top-color: var(--orb-primary); }
.steps li::before { content: counter(step); display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; margin-bottom: var(--orb-space-3); border-radius: 50%; font-size: 0.8125rem; font-weight: 700; background: var(--orb-surface-alt); color: var(--orb-text); border: 1px solid var(--orb-border-strong); }
.steps h3 { font-size: 0.9375rem; font-weight: 700; margin-bottom: var(--orb-space-2); }
.steps p { font-size: 0.875rem; color: var(--orb-text-muted); }

/* parameter table */
.params td:first-child { font-weight: 600; color: var(--orb-text); }
.params td:last-child { font-family: var(--orb-font-mono); font-weight: 400; white-space: nowrap; }

/* sdcl band */
.sdcl { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: var(--orb-space-8); align-items: start; padding: var(--orb-space-10); border-radius: var(--orb-radius-xl); border: 1px solid color-mix(in srgb, var(--brand-red) 35%, var(--orb-border)); background: color-mix(in srgb, var(--brand-red) 6%, var(--orb-surface)); }
.sdcl h2 { margin-bottom: var(--orb-space-3); }
.sdcl .orb-lead { margin-bottom: var(--orb-space-6); }

/* faq */
.faq { display: grid; gap: var(--orb-space-3); }
.faq details { border: 1px solid var(--orb-border); border-radius: var(--orb-radius-md); background: var(--orb-surface); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: var(--orb-space-4); padding: 16px 20px; font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.25rem; font-weight: 400; color: var(--orb-text-muted); transition: transform var(--orb-dur) var(--orb-ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 20px 18px; color: var(--orb-text-muted); font-size: 0.9375rem; line-height: 1.65; }

/* generator */
.gen-head { padding: var(--orb-space-10) 0 var(--orb-space-6); }
.gen-head h1 { margin-bottom: var(--orb-space-2); }
.crumbs { display: flex; gap: var(--orb-space-2); font-size: 0.8125rem; color: var(--orb-text-muted); margin-bottom: var(--orb-space-4); }
.crumbs a:hover { color: var(--orb-text); }
.gen { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: var(--orb-space-6); align-items: start; padding-bottom: var(--orb-space-16); }
.gen-config { position: sticky; top: calc(var(--orb-header-h) + 16px); }
.gen-config .orb-form-group { margin-bottom: var(--orb-space-4); }
.gen-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--orb-space-3); }
.gen-row .orb-label { font-size: 0.75rem; }
.gen-toolbar { position: sticky; top: var(--orb-header-h); z-index: 5; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--orb-space-3); padding: 12px 16px; background: var(--orb-surface-alt); border-bottom: 1px solid var(--orb-border); }
.gen-toolbar .orb-flex { flex-wrap: wrap; }
.license-out { margin: 0; padding: 24px; font-family: var(--orb-font-mono); font-size: 0.8125rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; color: var(--orb-text); background: var(--orb-surface); }
.gen-preview { border-radius: var(--orb-radius-lg); overflow: clip; }

.note { font-size: 0.8125rem; color: var(--orb-text-muted); }

/* footer */
.footer-brand p { font-size: 0.875rem; color: var(--orb-text-muted); max-width: 320px; margin-top: var(--orb-space-3); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--orb-space-3); margin-top: var(--orb-space-8); padding-top: var(--orb-space-6); border-top: 1px solid var(--orb-border); font-size: 0.8125rem; color: var(--orb-text-muted); }

@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero-grid, .sdcl, .gen { grid-template-columns: minmax(0, 1fr); }
  .gen-config { position: static; }
  .sdcl { padding: var(--orb-space-6); }
}

@media (max-width: 768px) {
  .hero { padding: var(--orb-space-10) 0 var(--orb-space-8); }
  .rules { grid-template-columns: minmax(0, 1fr); }
  .header-cta { display: none; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .license-out, .doc-body { padding: 16px; font-size: 0.75rem; }
}

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