/*
  Gateway support site — one stylesheet for all four pages.

    index.html        Privacy Policy — Gateway
    support.html      Support — Gateway
    pro-privacy.html  Privacy Policy — Gateway Pro
    pro-support.html  Support — Gateway Pro

  Same origin only: no fonts, scripts, analytics or third-party requests
  anywhere on the site, by design.
*/

:root {
  --ink: #1c1a17;
  --ink-soft: #52504b;
  --paper: #faf8f4;
  --rule: #e3ded4;
  --amber: #ffae3d;
  --amber-ink: #8a5400;   /* amber darkened for AA contrast on paper */
  --well: #100f0d;        /* the amp's LED well */
  --chip: #efe9dd;
  --chip-ink: #52504b;
  --code-bg: #f0ebe1;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f1ece3;
    --ink-soft: #a49d92;
    --paper: #14120f;
    --rule: #2e2924;
    --amber-ink: #ffc16a;
    --chip: #241f19;
    --chip-ink: #a49d92;
    --code-bg: #241f19;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
}
main { max-width: 44rem; margin: 0 auto; padding: 2.25rem 1.5rem 5rem; }

/* ── App switcher ─────────────────────────────────────────────────────── */
.apps {
  display: flex;
  gap: 0.4rem;
  margin: 0 0 2.5rem;
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.apps a {
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--rule);
  color: var(--chip-ink);
  text-decoration: none;
}
.apps a:hover { border-color: var(--amber-ink); color: var(--amber-ink); }
.apps a[aria-current="page"] {
  background: var(--chip);
  border-color: transparent;
  color: var(--ink);
}
.apps a:focus-visible { outline: 2px solid var(--amber-ink); outline-offset: 2px; }

/* ── Header ───────────────────────────────────────────────────────────── */
header { margin-bottom: 2.25rem; }
.eyebrow {
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-ink);
}
h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.015em; margin: 0.5rem 0 0.35rem; }
.lede { color: var(--ink-soft); font-size: 1.02rem; margin: 0; max-width: 38rem; }
.meta { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

/* ── The LED well: the one signature element ──────────────────────────── */
.led {
  background: var(--well);
  border-radius: 12px;
  padding: 1.2rem 1.35rem;
  margin: 2.25rem 0 2.75rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), inset 0 0 0 1px rgba(0,0,0,0.6);
}
/* On a dark page the well is nearly the page colour, so the black inner ring
   that gives it depth on paper disappears. Trade it for a lit rim. */
@media (prefers-color-scheme: dark) {
  .led {
    background: #0b0a09;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 0 0 1px rgba(255,174,61,0.14);
  }
}
.led-label {
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,174,61,0.55);
  margin: 0 0 0.7rem;
}
.led ul { margin: 0; padding: 0; list-style: none; }
.led li {
  font: 500 0.9rem/1.6 var(--mono);
  color: var(--amber);
  text-shadow: 0 0 12px rgba(255,174,61,0.35);
  padding-left: 1.1rem;
  position: relative;
}
.led li + li { margin-top: 0.35rem; }
.led li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(255,174,61,0.8);
}
.led-mail {
  font: 600 1.15rem/1.3 var(--mono);
  color: var(--amber);
  text-shadow: 0 0 12px rgba(255,174,61,0.35);
  text-decoration: none;
  word-break: break-all;
}
.led-mail:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 3px; }
.led-note { margin: 0.55rem 0 0; font-size: 0.9rem; color: #a49d92; }

/* ── Body copy ────────────────────────────────────────────────────────── */
h2 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin: 2.6rem 0 0.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}
p, li { color: var(--ink); }
p { margin: 0.7rem 0; }
ul.plain { padding-left: 1.2rem; margin: 0.7rem 0; }
ul.plain li { margin: 0.35rem 0; }
a {
  color: var(--amber-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:focus-visible { outline: 2px solid var(--amber-ink); outline-offset: 2px; border-radius: 2px; }
strong { font-weight: 650; }
code {
  font: 0.85em var(--mono);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* ── FAQ disclosure ───────────────────────────────────────────────────── */
.faq { margin: 0 0 0.4rem; }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  font: 500 1.1rem/1 var(--mono);
  color: var(--amber-ink);
  width: 1ch;
  flex: none;
}
.faq[open] summary::before { content: "–"; }
.faq summary:focus-visible { outline: 2px solid var(--amber-ink); outline-offset: 3px; border-radius: 3px; }
.faq-body { padding: 0.6rem 0 1.1rem 1.6rem; color: var(--ink); }
.faq-body p { margin: 0.5rem 0; }
.faq-body ul { margin: 0.5rem 0; padding-left: 1.2rem; }
.faq-body li { margin: 0.3rem 0; }

/* ── Footer ───────────────────────────────────────────────────────────── */
footer {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.9rem;
}
footer a { color: var(--ink-soft); }
.footer-nav { margin: 0 0 0.9rem; }
.footer-nav a { margin-right: 0.9rem; white-space: nowrap; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 1.65rem; }
  .led-mail { font-size: 1rem; }
  .apps { flex-wrap: wrap; }
}
@media print {
  body { background: #fff; color: #000; }
  .apps { display: none; }
  .led { box-shadow: none; }
  .led li { text-shadow: none; }
  a { color: #000; }
}