/* ── Code-chella Week · shared festival design system (first-party) ────────── */
:root{
  --ink:#160a1c; --ink-2:#1d0f24; --surface:#271633; --line:rgba(255,180,120,.14); --line-bright:rgba(255,180,120,.34);
  --text:#fff4ea; --text-2:#e7bca6; --dim:#a8757b;
  --magenta:#ff4d8d; --coral:#ff7a3c; --amber:#ffb43c; --gold:#ffd24a; --teal:#36d6c0; --violet:#b066ff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--ink);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 26px}
.label{font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--amber)}
h1,h2,h3{letter-spacing:-.03em;line-height:1.05;font-weight:850}
section{position:relative;z-index:1;padding:clamp(60px,8vh,110px) 0}

/* atmosphere */
.aurora{position:fixed;inset:-20vmax;z-index:0;pointer-events:none;filter:blur(110px);opacity:.30}
.aurora b{position:absolute;border-radius:50%;mix-blend-mode:screen;will-change:transform}
.aurora .b1{width:48vmax;height:48vmax;left:-6vmax;top:-12vmax;background:radial-gradient(circle,rgba(255,77,141,.5),transparent 62%);animation:drift1 34s ease-in-out infinite alternate}
.aurora .b2{width:46vmax;height:46vmax;right:-10vmax;top:4vmax;background:radial-gradient(circle,rgba(255,180,60,.42),transparent 62%);animation:drift2 40s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(10vmax,8vmax) scale(1.12)}}
@keyframes drift2{to{transform:translate(-9vmax,9vmax) scale(1.1)}}
.grain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@media (prefers-reduced-motion:reduce){.aurora b{animation:none!important}}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 28px;border-radius:100px;font-weight:700;font-size:16px;transition:transform .18s ease,box-shadow .18s ease,background .18s}
.btn-primary{background:linear-gradient(120deg,var(--coral),var(--magenta));color:#fff;box-shadow:0 10px 40px rgba(255,77,141,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 54px rgba(255,77,141,.5)}
.btn-ghost{color:#fff;border:1px solid var(--line-bright)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

/* festival wordmark */
.fest-name{font-weight:900;letter-spacing:-.04em;line-height:.9;text-transform:uppercase;white-space:nowrap;font-size:clamp(34px,7vw,92px);
  background:linear-gradient(180deg,#fff7e8 0%,#ffe08a 38%,#ff9a4d 70%,#ff5e8a 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 30px rgba(255,90,120,.35));margin:0}
.fest-name .dash{-webkit-text-fill-color:#ff5e8a;color:#ff5e8a}
.fest-week{display:block;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:clamp(15px,2.4vw,26px);letter-spacing:.42em;text-transform:uppercase;color:#ffe6b0;margin-top:10px;-webkit-text-fill-color:#ffe6b0}

/* powered-by MEGA AI */
.powered{display:inline-flex;align-items:center;gap:9px;margin-top:14px;padding:6px 15px;border-radius:100px;
  background:rgba(13,5,17,.42);border:1px solid rgba(255,210,120,.32);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.powered .pw-label{font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:#ffd9b0}
.powered .pw-mega{font-weight:900;font-style:italic;letter-spacing:-.01em;font-size:20px;line-height:1;padding-right:0.15em;
  background:linear-gradient(100deg,#fff,var(--gold) 36%,var(--coral) 72%,var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}

/* hero */
.hero{position:relative;width:100%;min-height:min(88vh,760px);display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:clamp(90px,12vh,140px) 0 clamp(40px,6vh,70px)}
.hero .hero-bg{position:absolute;inset:0;z-index:0}
.hero .hero-bg picture{display:block;width:100%;height:100%}
.hero .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%;filter:brightness(.72) saturate(.92)}
.hero .hero-bg::after{content:'';position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(16,7,20,.55) 0%,rgba(16,7,20,.12) 30%,rgba(16,7,20,.34) 62%,rgba(16,7,20,.9) 100%),
  radial-gradient(125% 80% at 50% 32%,transparent 42%,rgba(16,7,20,.55) 100%)}
/* mascots flank the frosted title panel (matches the Vibe Coding Day hero) */
.hero .mascot{height:clamp(170px,23vw,360px);width:auto;flex:none;z-index:5;pointer-events:none;user-select:none;filter:drop-shadow(0 16px 30px rgba(0,0,0,.55));will-change:transform,filter}
.hero .mascot.boy{animation:floatB 5.6s ease-in-out infinite;margin-right:clamp(-22px,-1vw,-6px)}
.hero .mascot.girl{animation:floatG 6.4s ease-in-out infinite;margin-left:clamp(-22px,-1vw,-6px)}
@keyframes floatB{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-14px) rotate(1.5deg)}}
@keyframes floatG{0%,100%{transform:translateY(0) rotate(1.5deg)}50%{transform:translateY(-16px) rotate(-1.5deg)}}
@media(prefers-reduced-motion:reduce){.hero .mascot{animation:none!important}}
.hero .wrap{position:relative;z-index:2;width:100%}
.title-row{display:flex;align-items:center;justify-content:center;width:100%}
.title-stack{position:relative;z-index:4;flex:none;display:flex;flex-direction:column;align-items:center;max-width:640px;padding:0 40px}
/* frosted panel hugging just the title group — blurred, translucent, feathered edges */
.title-stack::before{content:'';position:absolute;inset:-20px -48px;z-index:-1;border-radius:30px;
  background:rgba(13,5,17,.46);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
  -webkit-mask-image:radial-gradient(135% 130% at 50% 50%,#000 50%,transparent 100%);
  mask-image:radial-gradient(135% 130% at 50% 50%,#000 50%,transparent 100%)}
/* organizer lockup at the top of the title */
.cobrand{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.cobrand .cb-lt{height:30px;width:auto;display:block;filter:drop-shadow(0 2px 10px rgba(0,0,0,.55))}
.cobrand .cb-x{font-size:23px;font-weight:600;color:#ffd9b0;line-height:1}
.cobrand .cb-moo{height:34px;width:auto;display:block;filter:drop-shadow(0 2px 10px rgba(0,0,0,.55))}
@media(max-width:560px){.cobrand{gap:11px;margin-bottom:11px}.cobrand .cb-lt{height:24px}.cobrand .cb-x{font-size:19px}.cobrand .cb-moo{height:28px}}
.hero .eyebrow{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:#ffe6b0;margin-bottom:14px;text-shadow:0 2px 16px rgba(0,0,0,.5)}
.hero .tagline{font-weight:800;font-size:clamp(18px,3vw,30px);letter-spacing:.01em;margin:18px auto 0;max-width:22ch;
  background:linear-gradient(100deg,var(--amber),var(--coral),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:13.5px;color:#fff;margin:16px 0 0;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.hero-meta .sep{color:#ffcf9c}
.hero-cta{position:absolute;left:0;right:0;bottom:clamp(34px,6vh,72px);z-index:6;display:flex;flex-wrap:wrap;gap:10px 16px;justify-content:center;align-items:center;margin:0;padding:0 24px}
@media(max-width:720px){
  .hero{height:auto}
  .hero .mascot{height:clamp(150px,40vw,230px)}
  .hero .mascot.boy{margin-right:clamp(-40px,-7vw,-18px)}
  .hero .mascot.girl{margin-left:clamp(-40px,-7vw,-18px)}
  .title-stack{max-width:56vw}
  .title-stack::before{inset:-12px -18px}
  .hero-cta{position:relative;bottom:auto;margin-top:26px}
}
@media(max-width:480px){.hero .mascot{opacity:.85;height:118px}.title-stack{max-width:60vw}}

/* section heads */
.head{text-align:center;margin:0 auto 8px}
.head h2{font-size:clamp(26px,5vw,56px);margin:12px auto;letter-spacing:-.03em}
.head h2 em{font-style:normal;background:linear-gradient(108deg,var(--amber),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.head p{color:var(--text-2);font-size:clamp(16px,2vw,19px);max-width:52ch;margin:0 auto;font-weight:450}

/* ── week-at-a-glance lineup ── */
.lineup{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1000px;margin:44px auto 0}
@media(max-width:760px){.lineup{grid-template-columns:1fr}}
.evc{position:relative;display:block;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.014));transition:transform .18s ease,border-color .18s,box-shadow .18s}
.evc:hover{transform:translateY(-3px);border-color:var(--line-bright);box-shadow:0 22px 54px -26px rgba(255,77,141,.5)}
.evc .cover{position:relative;aspect-ratio:3/2;overflow:hidden;background:linear-gradient(135deg,var(--surface),var(--ink))}
.evc .cover img{width:100%;height:100%;object-fit:cover;filter:brightness(.8) saturate(.95)}
.evc .cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(16,7,20,.85))}
.evc .daychip{position:absolute;top:14px;left:14px;z-index:2;font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(120deg,var(--coral),var(--magenta));color:#fff;border-radius:100px;padding:6px 13px;box-shadow:0 8px 22px rgba(255,77,141,.4)}
.evc .num{position:absolute;top:12px;right:16px;z-index:2;font-family:'JetBrains Mono',monospace;font-weight:800;font-size:13px;color:#ffe6b0;opacity:.8}
.evc .body{padding:18px 20px 20px}
.evc h3{font-size:clamp(20px,2.6vw,26px);letter-spacing:-.02em;margin-bottom:6px}
.evc .when{font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:700;color:var(--amber);letter-spacing:.02em}
.evc .where{color:var(--text-2);font-size:14px;margin-top:2px}
.evc .desc{color:var(--text-2);font-size:14px;font-weight:450;line-height:1.5;margin-top:10px}
.evc .go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:700;font-size:14px;color:var(--amber)}
.evc .go .st{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);border:1px solid var(--line);border-radius:100px;padding:3px 9px;margin-left:auto}
.evc.soon{opacity:.96}
.evc .go.soon{color:var(--dim)}

/* generic info cards + sponsor */
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1000px;margin:40px auto 0}
@media(max-width:900px){.cards4{grid-template-columns:1fr 1fr}}@media(max-width:520px){.cards4{grid-template-columns:1fr}}
.bcard{border:1px solid var(--line);border-radius:18px;padding:24px 22px;background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.01))}
.bcard .ic{font-size:28px;display:block;margin-bottom:12px}
.bcard h3{font-size:17px;margin-bottom:6px;letter-spacing:-.01em}
.bcard p{color:var(--text-2);font-size:13.5px;font-weight:450;line-height:1.5}
.sponsor{text-align:center}
.sponsor .ts{border:1px solid rgba(255,180,60,.5);border-radius:24px;padding:clamp(32px,5vw,54px) 28px;max-width:760px;margin:36px auto 0;background:linear-gradient(180deg,rgba(255,180,60,.12),rgba(255,77,141,.05));box-shadow:0 18px 60px rgba(255,180,60,.16)}
.sponsor .ts .role{font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.sponsor .ts .name{font-weight:900;font-style:italic;font-size:clamp(38px,6vw,62px);line-height:1;margin:8px 0 8px;
  background:linear-gradient(100deg,#fff,var(--gold) 34%,var(--coral) 70%,var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.sponsor .ts p{color:var(--text-2);font-size:15px;max-width:52ch;margin:0 auto}

.foot-note{text-align:center;color:var(--text-2);font-size:14px;margin-top:26px}
.backlink{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2)}
.backlink:hover{color:var(--amber)}

/* event subpage detail rows */
.detail{max-width:820px;margin:40px auto 0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.detail .row{background:var(--ink-2);padding:18px 24px;display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:baseline}
@media(max-width:600px){.detail .row{grid-template-columns:1fr;gap:4px}}
.detail .k{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.detail .v{font-size:15.5px;color:var(--text);line-height:1.55}
.detail .v strong{color:#fff}

/* ── audio-reactive visualizer + floating music player (ported from Code-chella) ── */
.hero #viz{position:absolute;left:0;right:0;bottom:0;width:100%;height:44%;z-index:1;pointer-events:none}
.player{position:fixed !important;z-index:9999 !important;right:18px;bottom:18px;display:flex;align-items:center;gap:11px;
  background:rgba(20,10,28,.62);border:1px solid rgba(255,210,120,.5);border-radius:100px;padding:7px 13px 7px 7px;
  backdrop-filter:blur(10px);box-shadow:0 12px 40px rgba(0,0,0,.5)}
.player-btn{width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;font-size:12px;flex:none;line-height:1;
  background:linear-gradient(120deg,var(--coral),var(--magenta));color:#fff;display:flex;align-items:center;justify-content:center;letter-spacing:1px}
.player-btn .ic-pause{display:none}
.player.playing .player-btn .ic-play{display:none}
.player.playing .player-btn .ic-pause{display:inline}
.player-meta{display:flex;flex-direction:column;gap:5px;min-width:148px}
.player-track{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.03em;color:#fff;white-space:nowrap}
.player-track span{color:var(--text-2);font-weight:400}
.player-seekrow{display:flex;align-items:center;gap:7px}
.player-seek{flex:1;height:4px;background:rgba(255,255,255,.18);border-radius:3px;cursor:pointer;position:relative;min-width:104px}
.player-fill{height:100%;width:0;background:linear-gradient(90deg,var(--coral),var(--magenta));border-radius:3px;pointer-events:none}
.player-time{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--text-2);min-width:30px;text-align:right}
.player-mute{width:34px;height:34px;border-radius:50%;border:none;cursor:pointer;flex:none;font-size:13px;line-height:1;
  display:flex;align-items:center;justify-content:center;background:var(--teal);color:#06281a;transition:filter .15s,background .15s,color .15s}
.player-mute:hover{filter:brightness(1.1)}
.player.muted .player-mute{background:rgba(255,255,255,.16);color:#fff}
.player-vol{width:56px;height:3px;accent-color:var(--magenta);flex:none;cursor:pointer}
@media(max-width:560px){
  .player-vol,.player-meta{display:none}
  .player{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));padding:8px;gap:10px;background:rgba(20,10,28,.88);border:1px solid rgba(255,210,120,.6)}
  .player-btn{width:44px;height:44px;font-size:14px}
  .player-mute{width:40px;height:40px;font-size:15px}
}

/* ── sales/pitch-only content: hidden publicly, revealed with ?sales=1 ── */
html:not(.sales) .sales-only{display:none !important}

/* ── site footer ── */
.site-footer{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(0,0,0,.32);padding:46px 0 54px;text-align:center}
.site-footer .sf-word{font-weight:900;font-style:italic;letter-spacing:-.02em;font-size:clamp(26px,5vw,40px);line-height:1;background:linear-gradient(100deg,var(--gold),var(--coral) 55%,var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:16px}
.site-footer .sf-credit{color:var(--text);font-size:15px;margin:0 0 12px;display:flex;gap:9px;justify-content:center;align-items:center;flex-wrap:wrap}
.site-footer .sf-credit a{color:#fff;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.34)}
.site-footer .sf-credit a:hover{border-bottom-color:#fff}
.site-footer .sf-credit .sf-x{color:var(--dim);font-weight:400}
.site-footer .sf-legal{color:var(--dim);font-size:12.5px;margin:0;line-height:1.5}

/* ── public-only content (inverse of .sales-only) ── */
html.sales .public-only{display:none !important}

/* ── expandable lineup cards (one-page accordion) ── */
.evc[data-detail]{cursor:pointer}
.evc[data-detail] .go{display:inline-flex;align-items:center;gap:6px}
.evc[data-detail] .go::after{content:"▾";font-size:11px;opacity:.85;transition:transform .2s}
.evc[aria-expanded="true"]{border-color:var(--line-bright);box-shadow:0 0 0 2px rgba(255,180,60,.4),0 22px 54px -26px rgba(255,77,141,.5)}
.evc[aria-expanded="true"] .go::after{transform:rotate(180deg)}
.edetails{max-width:1000px;margin:18px auto 0}
.edetail{border:1px solid var(--line-bright);border-radius:22px;background:linear-gradient(180deg,var(--ink-2),rgba(29,15,36,.55));padding:clamp(24px,4vw,42px);animation:edpop .3s ease}
@keyframes edpop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.edetail .edhead{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.edetail .edtitle{font-weight:900;font-style:italic;font-size:clamp(24px,4.4vw,40px);line-height:1;background:linear-gradient(100deg,var(--amber),var(--coral),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.edetail .edwhen{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--amber);margin-top:9px;letter-spacing:.02em}
.edetail .eddesc{color:var(--text-2);font-size:16px;max-width:62ch;margin:16px auto 0;text-align:center;font-weight:450}
.edetail .edclose{flex:none;width:36px;height:36px;border-radius:100px;background:rgba(255,255,255,.06);border:1px solid var(--line-bright);color:var(--text);font-size:15px;line-height:1;cursor:pointer}
.edetail .edclose:hover{background:rgba(255,255,255,.12)}
.edsub{font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin:30px 0 14px;text-align:center}
.edetail .lineup,.edetail .cards4,.edetail .detail{margin-top:0}

/* open card expands to full width; its detail panel drops in directly beneath it */
.evc.open{grid-column:1 / -1}
.evc.open .cover{aspect-ratio:3 / 2;height:auto;max-width:560px;margin:22px auto 4px;border-radius:16px}
.evc.open .cover img{filter:none}
.evc.open .cover::after{display:none}
.evc.open .body{display:none}   /* details live in the panel below; avoid repeating */
.lineup > .edetail{grid-column:1 / -1;margin-top:0}