/* killer-instinct.net — visual system lifted from view_main.c / view_bootselect.c.
   Palette is the ROM's RGB555 converted to hex; see the design spec. */

:root {
  --steel: #52B4FF; --steel-hi: #7EC8FF; --steel-lt: #A8DBFF;
  --steel-bg0: #103173; --steel-bg1: #000821; --steel-half: #295A7F;
  --ember: #FF9421; --ember-lt: #FFD0A0;
  --ember-bg0: #732110; --ember-bg1: #210800; --ember-half: #7F4A10;
  --white: #FFFFFF; --grey: #84848C; --dgrey: #4A4A5A;
  --green: #21EF31; --track: #212131; --bedge: #424252;
  --seam: #6B6B84; --seam-edge: #292939;
}

@font-face {
  font-family: 'KIROM';
  src: url('assets/fonts/kirom7x9.woff2') format('woff2');
  font-display: swap;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: #000;
  color: var(--grey);
  font-family: 'Courier New', monospace;
  font-size: 16px;
  line-height: 1.6;
}

.px {
  font-family: 'KIROM', 'Courier New', monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

img { image-rendering: pixelated; }

a { color: var(--steel-hi); text-decoration: none; }
a:hover, a:focus-visible { color: var(--white); text-decoration: underline; }

main section, .titlecard { max-width: 960px; margin: 0 auto; padding: 48px 24px 24px; }
main section, .multiboot { scroll-margin-top: 48px; }

.section-head { text-align: center; color: var(--white); font-size: 18px; margin-bottom: 28px; }
.steel { color: var(--steel); }
.ember { color: var(--ember); }

/* ===== nav ===== */
.site-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 10px 20px; background: #000;
  border-bottom: 1px solid var(--steel-half);
}
.site-nav__home { display: flex; align-items: center; gap: 10px; color: var(--white); font-size: 13px; }
.site-nav__home:hover { text-decoration: none; color: var(--steel-hi); }
.site-nav__links { margin-left: auto; display: flex; gap: 18px; font-size: 11px; }
.site-nav__links a { color: var(--grey); }
.site-nav__links a.key { color: var(--steel); }
.site-nav__links a:hover { color: var(--white); text-decoration: none; }

/* ===== hero: the bootselect screen ===== */
.arena { position: relative; height: min(72vh, 540px); overflow: hidden; }

.panel {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center;
  padding-top: 42px; text-align: center;
  transition: filter .3s ease;
  outline: none;
}
.panel:focus-visible { outline: 2px solid var(--steel-hi); outline-offset: -6px; }
.panel--ki2:focus-visible { outline-color: #FFC97E; }
.panel--ki1 {
  background: linear-gradient(180deg, var(--steel-bg0), var(--steel-bg1));
  clip-path: polygon(0 0, 53.5% 0, 46% 100%, 0 100%);
  padding-right: 50%;
}
.panel--ki2 {
  background: linear-gradient(180deg, var(--ember-bg0), var(--ember-bg1));
  clip-path: polygon(54.5% 0, 100% 0, 100% 100%, 47% 100%);
  padding-left: 50%;
}
.panel .t-title { color: var(--white); font-size: 26px; line-height: 1.35; }
.panel--ki1 .t-title .key { color: var(--steel); }
.panel--ki2 .t-title .key { color: var(--ember); }
.panel .t-credit { margin-top: 10px; font-size: 11px; }
.panel--ki1 .t-credit { color: var(--steel); }
.panel--ki2 .t-credit { color: var(--ember); }

.fighter { margin-top: auto; margin-bottom: 26px; }
.fighter img {
  height: 320px; width: auto;
  filter: drop-shadow(0 10px 8px rgba(0, 0, 0, .7));
}
.fighter figcaption { margin-top: 12px; color: var(--white); font-size: 12px; }

/* unselected side is shaded like the ROM (3/8 brightness) */
.arena[data-selected="ki1"] .panel--ki2,
.arena[data-selected="ki2"] .panel--ki1 { filter: brightness(.38); }

/* corner brackets — only on the selected panel */
.brackets { position: absolute; inset: 12px 6%; pointer-events: none; opacity: 0; }
.arena[data-selected="ki1"] .panel--ki1 .brackets,
.arena[data-selected="ki2"] .panel--ki2 .brackets { opacity: 1; animation: pulse 2s ease-in-out infinite; }
.panel--ki1 .brackets { left: 11%; right: 61%; }
.panel--ki2 .brackets { left: 61%; right: 11%; }
.brackets i { position: absolute; width: 30px; height: 26px; border: 0 solid var(--steel-hi); }
.panel--ki2 .brackets i { border-color: #FFC97E; }
.brackets i:nth-child(1) { top: 0; left: 0; border-top-width: 3px; border-left-width: 3px; }
.brackets i:nth-child(2) { top: 0; right: 0; border-top-width: 3px; border-right-width: 3px; }
.brackets i:nth-child(3) { bottom: 0; left: 0; border-bottom-width: 3px; border-left-width: 3px; }
.brackets i:nth-child(4) { bottom: 0; right: 0; border-bottom-width: 3px; border-right-width: 3px; }

/* slanted seam */
/* The seam shares the panels' percentage geometry (centerline 54% top,
   46.5% bottom — the middle of the clip-path gap), so it stays aligned at
   every viewport size; calc() keeps the line widths fixed in pixels. The
   black gap either side is the body showing through between the panels. */
.seam { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.seam::before, .seam::after { content: ""; position: absolute; inset: 0; }
.seam::before {
  background: var(--seam-edge);
  clip-path: polygon(calc(54% - 2.5px) 0, calc(54% + 2.5px) 0,
                     calc(46.5% + 2.5px) 100%, calc(46.5% - 2.5px) 100%);
}
.seam::after {
  background: var(--seam);
  clip-path: polygon(calc(54% - 1.5px) 0, calc(54% + 1.5px) 0,
                     calc(46.5% + 1.5px) 100%, calc(46.5% - 1.5px) 100%);
}

/* hero HUD */
.hud { border-top: 1px solid var(--steel-half); padding: 16px 20px 22px; text-align: center; }
.hud-tag { color: var(--steel); font-size: 13px; }
.cta { margin-top: 16px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 10px 18px; font-size: 13px;
  color: var(--grey); border: 1px solid var(--dgrey);
}
.btn:hover, .btn:focus-visible { color: var(--white); text-decoration: none; border-color: var(--grey); }
.btn--steel {
  color: var(--steel-hi); border-color: var(--steel);
  box-shadow: inset 0 0 14px rgba(82, 180, 255, .2);
  /* pulse-soft: text stays above 4.5:1 contrast at the dim end */
  animation: pulse-soft 2s ease-in-out infinite;
}
.btn--steel:hover, .btn--steel:focus-visible { color: var(--white); border-color: var(--steel-hi); }

/* ===== bars (progress-bar dividers) ===== */
.bar { height: 11px; border: 1px solid var(--bedge); background: var(--track); }
.bar span {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(180deg, var(--steel-lt) 0, var(--steel-lt) 1px, var(--steel) 1px);
}
.bar--drain { max-width: 62%; margin: 12px auto 0; height: 5px; border: 0; }
.bar--drain span { animation: drain 30s linear infinite; }
.bar--divider { margin-top: 34px; }
.bar-label { text-align: center; color: var(--white); font-size: 11px; margin-top: 8px; }

/* ===== features (view_main title card) ===== */
.titlecard {
  background: linear-gradient(180deg, #0A1F4D, var(--steel-bg1));
  display: grid; grid-template-columns: 240px 1fr; gap: 28px;
}
.titlecard .bar--divider, .titlecard .bar-label { grid-column: 1 / -1; }
.wordmark { color: var(--white); font-size: 24px; line-height: 1.4; }
.wordmark .key { color: var(--steel); }
.rule { border: 0; border-top: 1px solid var(--steel-half); margin: 14px 0 10px; }
.rev { color: var(--steel-lt); font-size: 11px; }
.sub { color: var(--steel-half); font-size: 11px; margin-top: 4px; }
.blurb { font-size: 13px; margin-top: 14px; }
.feature-grid { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.feature-cell { border: 1px solid var(--steel-half); padding: 12px 14px; }
.feature-cell h3 { color: var(--steel-hi); font-size: 12px; }
.feature-cell p { font-size: 12.5px; margin-top: 6px; }

/* ===== patches ===== */
.patch-list { max-width: 720px; margin: 0 auto; }
.patch-list > div {
  display: flex; align-items: baseline; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid #14141C;
}
.patch-list > div:last-child { border-bottom: 0; }
.patch-list dt { flex: 0 0 190px; color: var(--steel-hi); font-size: 12px; }
.patch-list dd { flex: 1; font-size: 13px; }
.patch-list dd.status-ok { flex: none; }
.status-ok { color: var(--green); }
.status-warn { color: var(--ember); }
.status-no { color: var(--grey); }

/* ===== compatibility ===== */
.compat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compat-panel { border: 1px solid var(--steel-half); }
.compat-panel__head {
  background: linear-gradient(180deg, var(--steel-bg0), #0A1F4D);
  color: var(--steel-hi); font-size: 12px; padding: 10px 12px;
}
.compat-panel--ember, .compat-matrix { border-color: var(--ember-half); }
.compat-panel--ember .compat-panel__head, .compat-matrix .compat-panel__head {
  background: linear-gradient(180deg, var(--ember-bg0), #3A1006);
  color: var(--ember);
}
.compat-matrix { margin-top: 16px; }
.table-scroll { overflow-x: auto; }
.compat table { width: 100%; border-collapse: collapse; font-size: 12px; }
.compat th { text-align: left; color: var(--grey); font-size: 10px; padding: 8px 12px 4px; }
.compat td { padding: 5px 12px; border-top: 1px solid #101018; white-space: nowrap; }
.row-ki1 td:first-child { color: var(--steel-lt); }
.row-ki2 td:first-child { color: var(--ember-lt); }
.compat td:last-child { color: var(--grey); white-space: normal; }

/* ===== multiboot ===== */
.multiboot { position: relative; overflow: hidden; max-width: none; padding: 0; margin-top: 48px; }
.multiboot::before, .multiboot::after { content: ""; position: absolute; inset: 0; z-index: -1; }
.multiboot::before {
  background: linear-gradient(180deg, var(--steel-bg0), var(--steel-bg1));
  clip-path: polygon(0 0, 53% 0, 46% 100%, 0 100%);
}
.multiboot::after {
  background: linear-gradient(180deg, var(--ember-bg0), var(--ember-bg1));
  clip-path: polygon(54% 0, 100% 0, 100% 100%, 47% 100%);
}
.multiboot__inner { max-width: 960px; margin: 0 auto; padding: 48px 24px; text-align: center; }
.mb-title { font-size: 26px; color: var(--white); }
.mb-sub { color: var(--white); font-size: 12px; margin-top: 10px; }
.crt {
  max-width: 560px; margin: 26px auto 0;
  background: #000; border: 1px solid var(--dgrey); padding: 8px;
}
.crt video { width: 100%; height: auto; display: block; background: #0A0A0E; }
.crt figcaption { color: var(--dgrey); font-size: 10px; margin-top: 8px; }
.status-list { list-style: none; max-width: 560px; margin: 22px auto 0; text-align: left; }
.status-list li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 8px 0; font-size: 11px; color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.status-list li:last-child { border-bottom: 0; }
.multiboot .cta { margin-top: 26px; }

/* ===== download ===== */
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dl-panel {
  border: 1px solid var(--steel-half); padding: 18px 20px;
  background: linear-gradient(180deg, rgba(16, 49, 115, .35), rgba(0, 8, 33, .35));
}
.dl-panel h3 { color: var(--steel-hi); font-size: 13px; }
.dl-panel__sub { color: var(--grey); font-size: 10px; margin: 4px 0 14px; letter-spacing: .12em; }
.dl-panel ul { list-style: none; font-size: 12px; line-height: 2.1; }
.dl-panel a { color: var(--steel-lt); }
.dl-panel--ember {
  border-color: var(--ember-half);
  background: linear-gradient(180deg, rgba(115, 33, 16, .35), rgba(33, 8, 0, .35));
}
.dl-panel--ember h3 { color: var(--ember); }
.dl-panel--ember a { color: var(--ember-lt); }
.dl-panel a:hover, .dl-panel a:focus-visible { color: var(--white); }
.dl-note { text-align: center; margin-top: 18px; font-size: 11px; color: var(--grey); }
.dl-note a { text-decoration: underline; }

/* ===== footer ===== */
.site-footer {
  margin-top: 56px; padding: 22px 24px 30px; text-align: center;
  border-top: 1px solid var(--steel-half);
}
.site-footer .px { color: var(--grey); font-size: 11px; }
.disclaimer { color: var(--grey); font-size: 11px; max-width: 640px; margin: 12px auto 0; }
.legal { color: var(--grey); font-size: 11px; margin-top: 10px; }
.legal a { color: var(--grey); text-decoration: underline; }
.legal a:hover { color: var(--white); }

/* ===== motion ===== */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@keyframes pulse-soft { 0%, 100% { opacity: 1; } 50% { opacity: .8; } }
@keyframes drain { from { width: 100%; } to { width: 0; } }

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

/* ===== responsive ===== */
@media (max-width: 700px) {
  .arena { height: auto; }
  .panel { position: static; clip-path: none; padding: 36px 20px 28px; }
  .panel--ki1 { padding-right: 20px; }
  .panel--ki2 { padding-left: 20px; }
  .fighter { margin-top: 22px; }
  .seam {
    position: static; height: 9px;
    background: linear-gradient(180deg,
      #000 0, #000 2px,
      var(--seam-edge) 2px, var(--seam-edge) 3px,
      var(--seam) 3px, var(--seam) 6px,
      var(--seam-edge) 6px, var(--seam-edge) 7px,
      #000 7px, #000 9px);
  }
  .seam::before, .seam::after { display: none; }
  .brackets { display: none; }
  .arena[data-selected="ki1"] .panel--ki2, .arena[data-selected="ki2"] .panel--ki1 { filter: none; }
  .titlecard { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .compat-grid, .dl-grid { grid-template-columns: 1fr; }
  .patch-list dt { flex-basis: 130px; }
}