/* Portfolio-owned website theme and navigation. Studio and Arcade reference this file. */
:root {
  color-scheme: dark;
  --bw-background: #080505;
  --bw-panel: rgba(22, 8, 8, .88);
  --bw-text: #f6ecec;
  --bw-muted: #c9b1b1;
  --bw-line: rgba(170, 78, 78, .34);
  --bw-accent: #ff4b42;
  --bw-button: rgba(217, 10, 0, .16);
  --bw-button-hover: rgba(217, 10, 0, .24);
  --bw-font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --background: var(--bw-background);
  --background-raised: #140808;
  --text: var(--bw-text);
  --muted: var(--bw-muted);
  --panel: var(--bw-panel);
  --line: var(--bw-line);
  --line-strong: rgba(223, 110, 110, .56);
  --accent: var(--bw-accent);
}
/* Match the portfolio's quieter background on every website, regardless of page height. */
@media screen {
  html { background: transparent; }
  html body {
    background: radial-gradient(circle at 18% 0%, rgba(145, 24, 24, .19), transparent 34rem), radial-gradient(circle at 90% 34%, rgba(45, 25, 110, .11), transparent 32rem), #080505;
    background-attachment: scroll;
  }
  body::before, body::after {
    content: ''; position: fixed; pointer-events: none; z-index: -1;
    border-radius: 999px; filter: blur(64px);
  }
  body::before { width: 19rem; height: 19rem; top: 10vh; right: -5rem; background: rgba(255, 74, 74, .2); }
  body::after { width: 14rem; height: 14rem; bottom: 14vh; left: -4rem; background: rgba(255, 94, 120, .16); }
}
.background-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 74, 74, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 74, 74, .08) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(black, rgba(0, 0, 0, .55));
}
body > main { position: relative; z-index: 1; }
.site-header {
  position: sticky; top: .65rem; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: .75rem; width: min(1160px, calc(100% - 1.5rem));
  margin: .65rem auto 1rem; padding: .75rem .9rem;
  border: 1px solid var(--bw-line); border-radius: 1.1rem;
  background: rgba(28, 10, 10, .9); color: var(--bw-text);
  box-shadow: 0 12px 35px #0005; backdrop-filter: blur(18px);
  font: 500 15px/1.5 var(--bw-font);
}
.site-header *, .site-header *::before, .site-header *::after { box-sizing: border-box; }
.site-header .brand { display: flex; align-items: center; gap: .75rem; min-width: 0; flex: 1 1 260px; }
.site-header .brand-mark { display: block; flex: none; width: 2.45rem; height: 2.45rem; object-fit: contain; background: none; border: 0; border-radius: 0; box-shadow: none; }
.site-header .brand h1 { margin: 0; color: var(--bw-text); font: 800 1rem/1.4 var(--bw-font); letter-spacing: .06em; text-transform: uppercase; }
.site-header .brand p { margin: .2rem 0 0; color: var(--bw-muted); font: 500 .85rem/1.4 var(--bw-font); }
.site-header .site-nav { position: static; display: flex; align-items: center; flex-wrap: wrap; gap: .35rem; width: auto; padding: 0; border: 0; background: transparent; box-shadow: none; backdrop-filter: none; }
.site-header .nav-group { display: inline-flex; align-items: center; position: static; }
.site-header .nav-top-link, .site-header .nav-top-button, .site-header .nav-toggle,
.arcade-action.arcade-action, .arcade-feedback.arcade-feedback button:not(.feedback-close button) {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 40px; margin: 0; padding: .45rem .7rem; width: auto;
  border: 1px solid var(--bw-line); border-radius: 999px;
  color: var(--bw-text); background: var(--bw-button);
  font: 700 .9rem/1.5 var(--bw-font); white-space: nowrap; text-decoration: none;
  appearance: none; cursor: pointer; box-shadow: none; transition: background-color .15s;
}
.site-header .nav-top-link:visited { color: var(--bw-text); }
.site-header .nav-top-link:hover, .site-header .nav-top-button:hover,
.site-header .nav-group.open > button, .arcade-action.arcade-action:hover { background: var(--bw-button-hover); border-color: rgba(255, 92, 92, .55); box-shadow: 0 0 10px rgba(255, 72, 72, .1); transform: none; color: #fff; }
.site-header .is-current, .site-header .has-current > button { border-color: rgba(255, 92, 92, .55); background: var(--bw-button-hover); box-shadow: 0 0 10px rgba(255, 72, 72, .1); }
.site-header :focus-visible, .arcade-action.arcade-action:focus-visible { outline: 2px solid var(--bw-accent); outline-offset: 3px; }
.site-header .nav-toggle { display: none; }
.site-header .nav-dropdown {
  display: none; position: absolute; top: calc(100% + .4rem); left: auto; right: 0;
  width: min(780px, calc(100vw - 2rem)); min-width: 0;
  max-height: min(75dvh, 720px); overflow: auto; overscroll-behavior: contain;
  margin: 0; padding: 1rem; border: 1px solid var(--bw-line); border-radius: .9rem;
  background: #160808; color: var(--bw-text); box-shadow: 0 15px 40px #0008;
  opacity: 1; transform: none; pointer-events: auto; visibility: visible;
}
.site-header .nav-group.open > .nav-dropdown { display: block; }
.site-header .nav-tree { list-style: none; margin: 0; padding: 0; }
.site-header .nav-tree li { margin: 0; min-width: 0; }
.site-header .nav-dropdown--grouped > .nav-tree { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; align-items: start; }
.site-header .nav-dropdown--engines { width: min(1040px, calc(100vw - 2rem)); }
.site-header .nav-dropdown--engines > .nav-tree { grid-template-columns: 1fr 1.4fr .85fr; }
.site-header .nav-dropdown--engines .nav-subgroup .nav-subgroup { margin-top: .8rem; }
.site-header .nav-dropdown--engines > .nav-tree > li > .nav-subgroup > .nav-subgroup-heading { color: #fff; font-size: 1rem; }
.site-header .nav-subgroup-heading { margin: 0 0 .4rem; padding: .3rem .5rem; color: var(--bw-accent); font: 800 .9rem/1.4 var(--bw-font); }
.site-header .nav-tree a { display: block; padding: .4rem .5rem; border: 0; border-radius: .4rem; color: var(--bw-text); font: 500 .9rem/1.5 var(--bw-font); text-decoration: none; }
.site-header .nav-tree a:hover, .site-header .nav-tree a:focus-visible { background: #ffffff10; }
.site-header .nav-tree a.is-current { background: var(--bw-button-hover); }
.bw-portal {
  color: var(--bw-text); font-family: var(--bw-font);
}
.site-contact-links { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.25rem; margin: .75rem 0; font: 600 .9rem/1.5 var(--bw-font); }
.site-contact-links a { color: var(--bw-muted); text-decoration: underline; text-underline-offset: .2em; }
.site-contact-links a:hover, .site-contact-links a:focus-visible { color: var(--bw-text); }
.bw-portal main { padding-top: 1rem; }
.bw-portal .card, .bw-portal .application { background: var(--bw-panel); border-color: var(--bw-line); }
.bw-portal .card:hover, .bw-portal .application:hover { border-color: var(--line-strong); }
.bw-portal .arcade-performance, .bw-portal .arcade-feedback-invitation { background: var(--bw-panel); border-color: var(--bw-line); color: var(--bw-text); }
.bw-portal .application-copy .application-launch { background: var(--bw-button); border-color: var(--bw-line); border-radius: 999px; font-family: var(--bw-font); }
.bw-portal .application:hover .application-launch { background: var(--bw-button-hover); }
.arcade-feedback.arcade-feedback { color: var(--bw-text); background: #160808; border-color: var(--bw-line); font-family: var(--bw-font); }
.arcade-feedback.arcade-feedback input, .arcade-feedback.arcade-feedback textarea, .arcade-feedback.arcade-feedback select { color: var(--bw-text); background: var(--bw-background); border-color: var(--bw-line); }
@media (max-width: 1199px) {
  .site-header .nav-toggle { display: inline-flex; }
  .site-header .site-nav { display: none; position: absolute; top: calc(100% + .4rem); left: 0; right: 0; width: 100%; padding: .75rem; background: #160808; border: 1px solid var(--bw-line); border-radius: .9rem; max-height: calc(100dvh - 150px); overflow-y: auto; }
  .site-header .site-nav.open { display: flex; flex-direction: column; align-items: stretch; flex-wrap: nowrap; }
  .site-header .nav-group { display: block; flex: none; }
  .site-header .nav-top-link, .site-header .nav-top-button { width: 100%; justify-content: flex-start; text-align: left; }
  .site-header .nav-dropdown { position: static; width: 100%; max-height: none; margin-top: .4rem; padding: .6rem .35rem; border: 0; background: transparent; box-shadow: none; }
}
@media (max-width: 620px) {
  .site-header { width: calc(100% - 1rem); padding: .65rem; gap: .5rem; }
  .site-header .brand { flex-basis: 180px; gap: .5rem; }
  .site-header .brand h1 { font-size: .85rem; }
  .site-header .brand p { font-size: .75rem; }
  .site-header .nav-dropdown--grouped > .nav-tree { display: flex; flex-direction: column; gap: 1rem; }
}
@media (prefers-reduced-motion: reduce) { .site-header button, .site-header a { transition: none; } }