/* Prime Symmetry · FTC Team 36563 — core: tokens, base, buttons, nav, footer (every page) */

:root {
  --gold: #EFAB28;
  --paper: #F4F4EE;
  --blue: #446CE3;
  --blue-2: #2F4E94;
  --navy: #162F65;
  --ink: #151D3B;
  --ink-2: #10162E;
  --muted: rgba(244, 244, 238, .68);
  --line: rgba(244, 244, 238, .12);

  --display: "League Gothic", "Alternate Gothic No1 D", "Oswald", Impact, "Arial Narrow", sans-serif;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, Menlo, monospace;

  --cut: 14px;
  --chamfer: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  --wrap: min(1180px, 100% - 48px);
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body.ps {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--gold); color: var(--ink); padding: 8px 14px; font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- shared pieces ---------- */
.wrap { width: var(--wrap); margin-inline: auto; }

.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font: 700 12px/1 var(--body); letter-spacing: .24em; text-transform: uppercase; color: var(--gold);
}
.kicker::before, .kicker::after { content: ""; width: 28px; height: 2px; background: var(--gold); }
.kicker::after { background: var(--blue); }

.display {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  line-height: .92; letter-spacing: .015em; margin: 0;
}

/* gold | blue rule with a center node — the seam from the icon */
.split-rule {
  position: relative; height: 3px;
  background: linear-gradient(90deg, var(--gold) 0 50%, var(--blue) 50% 100%);
}
.split-rule::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 11px;
  border-radius: 50%; background: var(--paper); transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px var(--ink);
}

/* buttons: chamfered like the wing bars; hover swaps gold <-> blue */
.ps-btn {
  --bg: var(--gold); --fg: var(--ink);
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  font: 400 22px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
  color: var(--fg); background: var(--bg);
  clip-path: var(--chamfer);
  transition: background .25s, color .25s, transform .25s;
}
.ps-btn:hover { --bg: var(--blue); --fg: var(--paper); transform: translateY(-2px); }
.ps-btn-blue { --bg: var(--blue); --fg: var(--paper); }
.ps-btn-blue:hover { --bg: var(--gold); --fg: var(--ink); }
.ps-btn-ghost { --bg: rgba(244, 244, 238, .1); --fg: var(--paper); backdrop-filter: blur(6px); }
.ps-btn-ghost:hover { --bg: var(--paper); --fg: var(--ink); }
.ps-btn-sm { --cut: 9px; padding: 10px 16px; font-size: 18px; }
.ps-btn .arrow { transition: transform .25s; }
.ps-btn:hover .arrow { transform: translateX(4px); }
button.ps-btn { border: 0; cursor: pointer; }

/* reveal on scroll */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
[data-reveal].in-view { opacity: 1; transform: none; }

/* ---------- nav ---------- */
.ps-nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 clamp(16px, 3vw, 40px);
  transition: background .35s, box-shadow .35s;
}
.ps-nav::before { /* split top bar */
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--gold) 0 50%, var(--blue) 50% 100%);
}
.ps-nav.is-solid { background: rgba(16, 22, 46, .92); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }

.ps-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }

/* navbar icon = a coin that flips over its own white line (51.2% from the left), showing the gold/blue-swapped side */
.ps-coin { position: relative; width: 40px; height: 40px; flex: none; perspective: 240px; }
.ps-coin-inner { position: absolute; inset: 0; transform-style: preserve-3d; transform-origin: 51.2% 50%; }
.ps-face { position: absolute; inset: 0; width: 40px; height: 40px; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.ps-face-back { transform: rotateY(180deg); transform-origin: 51.2% 50%; }
.ps-coin.flip .ps-coin-inner { animation: coinflip 1.5s cubic-bezier(.45, .05, .35, 1); }
@keyframes coinflip {
  0% { transform: rotateY(0); }
  38%, 62% { transform: rotateY(180deg); }
  100% { transform: rotateY(0); }
}
.ps-brand-text { display: flex; flex-direction: column; line-height: 1; }
.ps-brand-name { font: 400 26px/1 var(--display); letter-spacing: .05em; text-transform: uppercase; }
.ps-brand-num { font: 700 10px/1.4 var(--body); letter-spacing: .26em; text-transform: uppercase; color: var(--gold); }

.ps-menu { display: flex; align-items: center; gap: 28px; }
.ps-links { display: flex; gap: 26px; }
.ps-links a {
  position: relative; padding: 6px 0;
  font: 400 22px/1 var(--display); letter-spacing: .07em; text-transform: uppercase; text-decoration: none;
  color: rgba(244, 244, 238, .86); transition: color .2s;
}
.ps-links a::after { /* underline grows outward from the center — symmetric */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold) 0 50%, var(--blue) 50% 100%);
  transform: scaleX(0); transition: transform .3s ease;
}
.ps-links a:hover, .ps-links a[aria-current="page"] { color: var(--paper); }
.ps-links a:hover::after, .ps-links a[aria-current="page"]::after { transform: scaleX(1); }

.ps-actions { display: flex; align-items: center; gap: 16px; }
.ps-social svg { width: 26px; height: 26px; fill: var(--paper); opacity: .85; transition: fill .2s, opacity .2s; }
.ps-social:hover svg { fill: #FF0033; opacity: 1; }

.ps-burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.ps-burger span { display: block; width: 26px; height: 2px; margin: 6px 0; background: var(--paper); transition: transform .3s, opacity .3s; }

/* ---------- footer ---------- */
.ps-footer { background: var(--ink-2); }
.ps-footer-inner {
  width: var(--wrap); margin-inline: auto; padding: 56px 0 32px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px;
}
.ps-footer-brand img { width: 240px; height: auto; }
.ps-footer-brand p { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.ps-footer-col { display: flex; flex-direction: column; gap: 8px; }
.ps-footer-col h3 { margin: 0 0 6px; font: 700 11px/1 var(--body); letter-spacing: .26em; text-transform: uppercase; color: var(--gold); }
.ps-footer-col a { color: var(--muted); text-decoration: none; font-size: 15px; transition: color .2s; }
.ps-footer-col a:hover { color: var(--paper); }
.ps-footer-yt { display: inline-flex; align-items: center; gap: 8px; }
.ps-footer-yt svg { width: 20px; height: 20px; fill: currentColor; }
.ps-legal { width: var(--wrap); margin-inline: auto; padding: 22px 0 36px; border-top: 1px solid var(--line); font-size: 12.5px; color: rgba(244, 244, 238, .5); }
.ps-legal p { margin: 4px 0; }
.ps-legal a { color: rgba(244, 244, 238, .75); }

/* ---------- "the simulator is a desktop app" dialog (touch devices) ---------- */
.sim-warn {
  width: min(440px, calc(100% - 32px)); padding: 26px 24px 22px; border: 0; color: var(--paper);
  background: var(--ink); clip-path: var(--chamfer); --cut: 16px;
  box-shadow: inset 0 3px 0 var(--gold);
}
.sim-warn::backdrop { background: rgba(10, 14, 30, .72); backdrop-filter: blur(3px); }
.sim-warn .kicker { margin: 0 0 10px; }
.sim-warn h2 { margin: 0 0 10px; font: 400 32px/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.sim-warn p { margin: 0 0 18px; color: var(--muted); font-size: 15.5px; }
.sim-warn-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.sim-warn-x { position: absolute; top: 10px; right: 12px; width: 36px; height: 36px; font-size: 26px; line-height: 1; color: var(--muted); background: none; border: 0; cursor: pointer; }

/* ---------- responsive ---------- */
@media (max-width: 1140px) and (min-width: 861px) {
  .ps-menu { gap: 18px; }
  .ps-links { gap: 18px; }
}
@media (max-width: 980px) {
  .ps-footer-inner { grid-template-columns: 1fr 1fr; }
  .ps-footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .ps-burger { display: block; position: relative; z-index: 2; }
  .ps-menu {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 18px;
    padding: 22px 24px 28px; background: rgba(16, 22, 46, .97); backdrop-filter: blur(10px);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
  }
  .ps-links { flex-direction: column; gap: 4px; }
  .ps-links a { font-size: 30px; padding: 8px 0; }
  .ps-nav.is-open { background: rgba(16, 22, 46, .97); }
  .ps-nav.is-open .ps-menu { opacity: 1; transform: none; pointer-events: auto; }
  .ps-nav.is-open .ps-burger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .ps-nav.is-open .ps-burger span:nth-child(2) { opacity: 0; }
  .ps-nav.is-open .ps-burger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .ps-brand-name { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01s !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
}