/* Project Mayhem landing page. Mobile-first; the desktop layout takes over from 1000px. */
:root{
  --ink:#071217;--panel:#0d1f27;--panel2:#12303a;--line:#29424b;--cream:#edf0dc;--mute:#a4b8b3;
  --accent:#ffd75a;--mint:#59e2c2;--orange:#ff8b55;
  --display:'Barlow Condensed',Impact,'Arial Narrow',sans-serif;
  --body:Barlow,system-ui,-apple-system,'Segoe UI',sans-serif;
  --pad:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--ink);color:var(--cream);font-family:var(--body);-webkit-text-size-adjust:100%}
img{display:block;max-width:100%}
a{color:inherit}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.eyebrow{margin:0;font-size:14px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--mint)}
h1,h2,h3{margin:0;font-family:var(--display);font-weight:800;text-transform:uppercase;color:var(--cream)}
h2{margin-top:10px;font-size:54px;line-height:.95;letter-spacing:.01em}
.accent{color:var(--accent)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:0 34px;width:100%;
  font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none}
.btn-primary{background:var(--accent);color:#101010;box-shadow:6px 6px 0 var(--orange);transition:transform .15s,box-shadow .15s}
.btn-primary:hover{transform:translate(3px,3px);box-shadow:3px 3px 0 var(--orange)}
.btn-ghost{border:2px solid var(--cream);color:var(--cream);font-weight:700;padding:0 30px}
.btn-ghost:hover{background:var(--cream);color:var(--ink)}

/* nav */
.nav{position:sticky;top:0;z-index:10;height:64px;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;
  background:var(--ink);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;min-height:48px;text-decoration:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:2px solid var(--accent);
  color:var(--accent);font-family:var(--display);font-weight:800;font-size:20px;transform:rotate(-3deg)}
.brand-name{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:36px;font-size:16px;font-weight:600}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--accent)}
.nav-links .nav-extra{display:none}
.nav-links .nav-play{display:inline-flex;align-items:center;min-height:48px;color:var(--accent);font-family:var(--display);font-weight:700;
  font-size:20px;letter-spacing:.08em;text-transform:uppercase}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:56% 50%}
.hero-shade{position:absolute;inset:0;background:rgba(7,18,23,.7)}
.hero-inner{position:relative;min-height:700px;padding:48px var(--pad);display:flex;flex-direction:column;justify-content:flex-end;gap:22px}
.hero-figure{margin:0;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.hero-name{display:flex;flex-direction:column;gap:4px;padding-bottom:8px}
.hero-name strong{font-family:var(--display);font-weight:800;font-size:44px;line-height:1;letter-spacing:.04em;color:var(--accent)}
.hero-name span{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mint)}
.hero-bix{height:290px;width:auto;filter:drop-shadow(0 14px 18px rgba(0,0,0,.55))}
.hero h1{font-size:clamp(56px,17vw,96px);line-height:.88;letter-spacing:.005em;text-wrap:balance}
.hero-lede{margin:0;max-width:560px;font-size:18px;line-height:1.5}
.hero-actions{display:flex;flex-direction:column;gap:14px}
.hero-actions .btn{min-height:60px;font-size:26px}
.hero-actions .btn-ghost{min-height:56px;font-size:24px}
.hero-note{margin:0;font-size:15px;color:var(--mute)}

/* at a glance */
.glance{margin:0;padding:28px var(--pad);list-style:none;display:flex;flex-direction:column;gap:14px;background:var(--panel);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.glance li{display:flex;align-items:baseline;gap:14px}
.glance b{min-width:64px;font-family:var(--display);font-weight:800;font-size:52px;line-height:1;color:var(--accent)}
.glance span{font-size:15px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}

/* sections */
.section{padding:56px var(--pad)}
.levels{background:var(--ink)}
.level-grid{margin-top:28px;display:grid;gap:24px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line)}
.card-img{position:relative;height:196px;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-tag{position:absolute;left:0;top:0;padding:8px 14px;background:var(--ink);border-right:3px solid var(--tag);border-bottom:3px solid var(--tag);
  font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:.08em;color:var(--tag)}
.card-body{flex-grow:1;padding:22px 20px 24px;display:flex;flex-direction:column;gap:14px}
.card h3{font-size:42px;line-height:1}
.card p{margin:0;font-size:17px;line-height:1.5;color:var(--mute)}
.chips{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:7px 12px;border:1px solid var(--line);background:var(--ink);font-size:14px;font-weight:600;letter-spacing:.04em}
.card .btn{margin-top:auto}

/* how to play */
.play{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.play h2{font-size:46px}
.panels{margin-top:26px;display:grid;gap:16px}
.panel{background:var(--ink);border:1px solid var(--line);padding:20px}
.panel h3{margin-bottom:8px;font-family:var(--body);font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--accent)}
.controls{margin:0;padding:0;list-style:none;display:flex;flex-direction:column}
.controls li{display:flex;align-items:center;gap:14px;min-height:52px;font-size:17px}
.keys{display:flex;gap:6px;width:104px;flex:none}
kbd{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:2px solid #49636b;
  border-bottom-width:5px;border-radius:6px;background:var(--panel2);color:var(--cream);font-family:var(--body);font-size:15px;font-weight:700}
.touch{gap:14px}
.touch li{gap:16px}
.touch .glyph{flex:none;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;border:3px solid #49636b;
  font-family:var(--display);font-weight:800;font-size:19px;color:var(--cream)}
.touch .glyph.jump{border-color:var(--accent);color:var(--accent);font-size:28px}
.touch svg{flex:none}

/* footer */
.footer{padding:32px var(--pad);display:flex;flex-direction:column;justify-content:center;gap:22px;border-top:1px solid var(--line)}
.footer .brand-name{font-size:20px;color:var(--cream)}
.footer p{margin:2px 0 0;font-size:14px;color:var(--mute)}
.footer-links{display:flex;flex-wrap:wrap;gap:26px;font-size:16px;font-weight:600}
.footer-links a{display:inline-flex;align-items:center;min-height:48px;text-decoration:none}
.footer-links a:hover{color:var(--accent)}

/* ---------- desktop ---------- */
@media (min-width:1000px){
  :root{--pad:96px}
  .nav{height:76px}
  .brand-name{font-size:22px;letter-spacing:.14em}
  .nav-links .nav-extra{display:inline}
  .nav-links .nav-play{display:none}
  h2{font-size:76px}
  .hero-shade{background:rgba(7,18,23,.62)}
  .hero-inner{min-height:780px;padding-top:80px;padding-bottom:80px;justify-content:center;gap:30px;
    /* leave room on the right for Bix */
    padding-right:calc(var(--pad) + clamp(230px,21.4vw,308px) + 36px)}
  .hero-figure{position:absolute;right:var(--pad);bottom:0;display:block}
  .hero-name{display:none}
  .hero-bix{height:clamp(520px,49.7vw,716px);filter:drop-shadow(0 26px 34px rgba(0,0,0,.55))}
  .hero h1{font-size:clamp(80px,7.78vw,112px);line-height:.9}
  .hero-lede{font-size:21px}
  .hero-actions{flex-direction:row;align-items:center;flex-wrap:wrap;gap:20px}
  .hero-actions .btn{width:auto}
  .hero-actions .btn-primary{padding:0 34px}
  .glance{height:132px;padding:0 var(--pad);flex-direction:row;align-items:center}
  .glance li{flex:1 1 0;justify-content:center;gap:18px}
  .glance li+li{border-left:1px solid var(--line);height:56px;align-items:center}
  .glance b{font-size:72px;min-width:0}
  .glance span{font-size:16px}
  .section{padding:96px var(--pad)}
  .level-grid{margin-top:44px;grid-template-columns:1fr 1fr;gap:32px}
  .card-img{height:342px}
  .card-tag{padding:10px 18px;font-size:30px}
  .card-body{padding:30px 32px 34px;gap:16px}
  .card h3{font-size:52px}
  .card p{font-size:18px}
  .chips{gap:10px}
  .card .btn{width:auto;align-self:flex-start}
  .play h2{font-size:64px}
  .panels{margin-top:40px;grid-template-columns:3fr 2fr;gap:32px}
  .panel{padding:28px 32px}
  .panel h3{font-size:14px}
  .controls li{gap:16px;font-size:18px}
  .keys{gap:8px;width:140px}
  .touch{gap:14px}
  .touch li{gap:18px;font-size:18px}
  .touch .glyph{width:64px;height:64px;font-size:22px}
  .touch .glyph.jump{font-size:32px}
  .footer{min-height:180px;padding:0 var(--pad);flex-direction:row;align-items:center;justify-content:space-between}
  .footer .brand-name{font-size:22px;letter-spacing:.14em}
  .footer p{font-size:15px}
  .footer-links{gap:32px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn-primary{transition:none}
}

/* ---------- account (hidden until sign-in is configured) ---------- */
.account{display:flex;align-items:center;gap:16px;margin-left:16px}
.account[hidden],.acct-user[hidden],.notice[hidden],.privacy[hidden],.badge[hidden]{display:none}
.acct-btn,.acct-link{font-family:var(--display);font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.acct-btn{min-height:44px;padding:0 16px;border:2px solid var(--cream);background:transparent;color:var(--cream);font-size:18px}
.acct-btn:hover:not(:disabled){background:var(--cream);color:var(--ink)}
.acct-btn:disabled{opacity:.6;cursor:progress}
.acct-btn .short{display:inline}.acct-btn .long{display:none}
.acct-user{display:flex;align-items:center;gap:12px}
.acct-name{font-size:16px;font-weight:600;color:var(--mint)}
.acct-link{min-height:44px;padding:0 4px;border:0;background:none;color:var(--cream);font-size:16px;text-decoration:underline}
.acct-link:hover{color:var(--accent)}
.acct-btn:focus-visible,.acct-link:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.nav.has-account .nav-play{display:none}
.notice{margin:0;padding:12px var(--pad);background:var(--panel2);border-bottom:1px solid var(--line);font-size:15px;color:var(--cream)}
.badge{margin:0;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mint)}
.privacy{margin:0;padding:20px var(--pad);border-top:1px solid var(--line);font-size:14px;line-height:1.5;color:var(--mute)}
@media (min-width:1000px){
  .account{margin-left:36px}
  .acct-btn .short{display:none}.acct-btn .long{display:inline}
  .privacy{max-width:none}
}

.lock-note{margin:0 0 4px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--orange)}
.lock-note[hidden]{display:none}
.btn.locked,.btn[aria-disabled="true"]{opacity:.42;filter:grayscale(.6);cursor:not-allowed;box-shadow:none}
.btn.locked:hover{transform:none}

/* ================= visual polish v5 ================= */
:root{--glow:0 0 0 rgba(0,0,0,0)}

/* nav: glassy, lifts on scroll */
.nav{background:color-mix(in srgb,var(--ink) 82%,transparent);backdrop-filter:blur(10px);transition:box-shadow .25s,background .25s}
.nav.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.55);background:color-mix(in srgb,var(--ink) 94%,transparent)}
.brand-mark{transition:transform .25s}
.brand:hover .brand-mark{transform:rotate(3deg) scale(1.06)}

/* hero atmosphere */
.hero-bg{transform:scale(1.04);animation:heroDrift 26s ease-in-out infinite alternate}
@keyframes heroDrift{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.1) translate3d(-1.4%,-1%,0)}}
.hero-shade{background:
  radial-gradient(120% 90% at 78% 40%,rgba(255,139,85,.18),transparent 60%),
  radial-gradient(90% 80% at 10% 90%,rgba(89,226,194,.14),transparent 62%),
  linear-gradient(180deg,rgba(7,18,23,.86) 0%,rgba(7,18,23,.6) 38%,rgba(7,18,23,.92) 100%)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.028) 0 1px,transparent 1px 4px);mix-blend-mode:overlay}
.hero-inner>:not(.hero-figure){position:relative;z-index:2}
.hero-figure{z-index:1}
.hero h1{text-shadow:0 8px 30px rgba(0,0,0,.6)}
.hero h1 .accent{text-shadow:0 0 34px rgba(255,215,90,.35),0 8px 30px rgba(0,0,0,.6)}
.eyebrow{display:flex;width:fit-content;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor;opacity:.8}
.hero-bix{animation:bixFloat 7s ease-in-out infinite}
@keyframes bixFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* buttons: shine sweep */
.btn-primary{position:relative;overflow:hidden;background:linear-gradient(135deg,#ffe487,var(--accent) 55%,#f5b73c)}
.btn-primary::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);transition:left .5s ease}
.btn-primary:hover::after{left:120%}
.btn-ghost{backdrop-filter:blur(4px);background:rgba(7,18,23,.35);transition:background .18s,color .18s,transform .15s}
.btn-ghost:hover{transform:translateY(-2px)}

/* ticker */
.ticker{overflow:hidden;background:var(--panel2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-family:var(--display);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:16px;color:var(--mint)}
.ticker div{display:flex;gap:44px;white-space:nowrap;padding:12px 0;width:max-content;animation:tick 34s linear infinite}
.ticker span::before{content:"◆";margin-right:14px;color:var(--orange)}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* glance */
.glance{background:linear-gradient(180deg,var(--panel),#0a1a21)}
.glance b{background:linear-gradient(180deg,#fff0b4,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}

/* level cards */
.card{position:relative;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px transparent;transition:box-shadow .28s}
.card:hover{transform:translateY(-8px);border-color:var(--tag);box-shadow:0 26px 50px -22px rgba(0,0,0,.9),0 0 0 1px var(--tag)}
.card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(13,31,39,.92));pointer-events:none}
.card-img img{transition:transform .5s ease;transform:scale(1.01)}
.card:hover .card-img img{transform:scale(1.07)}
.card-tag{box-shadow:0 0 22px -6px var(--tag)}
.card h3{transition:color .2s}
.card:hover h3{color:var(--tag)}
.chips li{transition:border-color .2s,color .2s}
.card:hover .chips li{border-color:color-mix(in srgb,var(--tag) 45%,var(--line))}

/* how to play panels */
.panel{background:linear-gradient(160deg,#0a1a21,var(--ink));transition:border-color .25s,transform .25s}
.panel:hover{border-color:var(--accent);transform:translateY(-4px)}

/* section headings get a rule */
.section h2{position:relative;display:inline-block;padding-bottom:14px}
.section h2::after{content:"";position:absolute;left:0;bottom:0;width:86px;height:5px;background:var(--accent)}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.level-grid .card:nth-child(2){transition-delay:.08s}
.level-grid .card:nth-child(3){transition-delay:.16s}
.level-grid .card:nth-child(4){transition-delay:.24s}

/* footer */
.footer{background:linear-gradient(180deg,var(--ink),#050e12)}

@media (prefers-reduced-motion:reduce){
  .hero-bg,.hero-bix,.ticker div{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .card:hover{transform:none}
}

/* rules strip */
.rules{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.rules li{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);padding:14px 16px;font-size:16px;line-height:1.45;color:var(--mute)}
.rules li strong{color:var(--cream);font-weight:700}
@media (min-width:1000px){
  .rules{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
  .rules li{padding:18px}
}