/* ═══════════════════════════════════════════════
   AI AGENT HACKATHON 2026 · page-specific layer
   Builds on ../styles.css (shared design system).
   ═══════════════════════════════════════════════ */

:root{
  --hk-devin:#3D8BFF;
  --hk-qwen:#8B7CF6;
}
html[data-theme="light"]{
  --hk-devin:#1B5FD6;
  --hk-qwen:#5A45D6;
}

/* ── hero: partner lockup ───────────────────── */
.hk-lockup{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:30px}
.hk-lk{height:36px;width:auto;object-fit:contain;opacity:.94;transition:opacity .3s,transform .3s}
.hk-lk:hover{opacity:1;transform:translateY(-2px)}
.hk-lk--claw{height:44px}
.hk-lk--qwen{height:40px}
.hk-x{font-style:normal;font-family:var(--disp);font-size:26px;line-height:1;color:var(--coral)}
/* two lines: "HACK ALONGSIDE" / "YOUR AGENTS." — sized so the longer first
   line fits the copy column without wrapping to a third */
.hk-hero .hero-h{margin:28px 0 40px;font-size:clamp(42px,6.1vw,88px)}

/* rotating word in the hero sub */
.hk-ev{color:var(--coral-hi);border-bottom:1px dashed var(--coral);padding:0 2px;transition:opacity .22s ease}

/* ── hero: HUD readout ──────────────────────── */
.hk-hud{border:1px solid var(--line2);background:rgba(var(--bg2-rgb),.6)}
.hk-hud-row{
  display:flex;gap:14px;align-items:baseline;padding:9px 14px;
  border-bottom:1px solid var(--line2);font-size:11px;letter-spacing:.12em;
}
.hk-hud-row:last-child{border-bottom:0}
.hk-hud-k{color:var(--faint);min-width:64px;flex-shrink:0}
.hk-hud-v{color:var(--ink)}
.hk-hud-v--warn{color:var(--coral-hi)}

/* ── capacity notice ────────────────────────── */
.hk-notice{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2);padding:20px 0}
.hk-notice-in{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.hk-notice-tag{
  font-size:10.5px;letter-spacing:.2em;color:var(--coral-hi);
  border:1px dashed rgba(217,107,58,.55);padding:7px 12px;flex-shrink:0;
}
.hk-notice p{color:var(--dim);font-size:15px}
.hk-notice a{color:var(--coral-hi);border-bottom:1px solid rgba(217,107,58,.5);padding-bottom:1px;transition:color .25s,border-color .25s}
.hk-notice a:hover{color:var(--ink);border-color:var(--coral)}

/* ── 01 brief: domain chips ─────────────────── */
.hk-domains{margin-top:64px}
.hk-domains-k{font-size:11px;letter-spacing:.18em;color:var(--faint);margin-bottom:18px}
.hk-chips{display:flex;flex-wrap:wrap;gap:10px}
.hk-chips li{
  font-size:10.5px;letter-spacing:.14em;color:var(--dim);
  border:1px solid var(--line2);padding:9px 14px;background:var(--panel);
  transition:border-color .25s,color .25s,transform .25s,background .25s;
}
.hk-chips li:hover{border-color:var(--coral);color:var(--ink);transform:translateY(-2px);background:rgba(217,107,58,.07)}

/* ── 02 stack ───────────────────────────────── */
.hk-elig{
  font-size:11px;letter-spacing:.14em;color:var(--coral-hi);
  border:1px dashed rgba(217,107,58,.55);padding:13px 18px;max-width:86ch;
}
.hk-stack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.hk-stack-card{
  background:var(--panel);border:1px solid var(--line2);border-top:3px solid var(--sc,var(--coral));
  padding:28px 26px;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.hk-stack-card:hover{
  transform:translateY(-6px);
  border-color:color-mix(in srgb,var(--sc,var(--coral)) 45%,var(--line2));
  box-shadow:0 26px 54px -24px rgba(0,0,0,.85);
}
.hk-sc-no{font-size:11px;letter-spacing:.2em;color:var(--faint)}
.hk-stack-card h3{font-size:clamp(26px,2.6vw,34px);margin:12px 0 4px}
.hk-sc-by{font-size:10px;letter-spacing:.22em;color:var(--sc,var(--coral-hi))}
.hk-stack-card p{color:var(--dim);font-size:15px;margin-top:14px}
.hk-sc-list{margin-top:18px;border-top:1px solid var(--line2);padding-top:14px;display:flex;flex-direction:column;gap:7px}
.hk-sc-list li{font-size:10.5px;letter-spacing:.16em;color:var(--dim);padding-left:16px;position:relative}
.hk-sc-list li::before{content:"▸";position:absolute;left:0;color:var(--sc,var(--coral));font-size:10px}
.hk-workshops{
  margin-top:36px;color:var(--dim);font-size:15.5px;max-width:74ch;
  border-left:3px solid var(--coral);padding-left:18px;
}

/* ── 03 run of show ─────────────────────────── */
.hk-run{position:relative;max-width:960px}
.hk-run::before{
  content:"";position:absolute;top:12px;bottom:12px;left:124px;width:1px;
  background:linear-gradient(180deg,transparent,var(--line) 6%,var(--line) 94%,transparent);
}
.hk-run-item{
  display:grid;grid-template-columns:92px 44px minmax(0,1fr);column-gap:10px;
  align-items:start;padding:22px 0;
}
.hk-run-time{text-align:right;font-family:var(--mono);padding-top:2px;white-space:nowrap}
.hk-run-time b{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.04em}
.hk-run-time i{font-style:normal;font-size:9.5px;letter-spacing:.16em;color:var(--faint);margin-left:5px}
.hk-run-node{position:relative;display:flex;justify-content:center}
.hk-run-node span{
  width:13px;height:13px;border-radius:50%;margin-top:4px;
  background:var(--bg);border:2px solid var(--coral);box-shadow:0 0 0 4px var(--bg);
  transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s,background .3s;
}
.hk-run-item:hover .hk-run-node span{transform:scale(1.25);box-shadow:0 0 0 4px var(--bg),0 0 16px rgba(217,107,58,.6)}
.hk-run-body h3{font-family:var(--disp);font-weight:400;font-size:20px;letter-spacing:.02em;text-transform:uppercase;color:var(--ink)}
.hk-run-body p{color:var(--dim);font-size:15px;margin-top:6px;max-width:64ch}
.hk-run-item.is-key .hk-run-time b{color:var(--coral-hi)}
.hk-run-item.is-key .hk-run-node span{background:var(--coral);box-shadow:0 0 0 4px var(--bg),0 0 18px rgba(217,107,58,.7)}
.hk-run-item.is-key .hk-run-body{
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--coral);
  padding:16px 20px;
}
.hk-run-note{
  display:inline-block;margin-top:36px;font-size:11px;letter-spacing:.14em;color:var(--coral-hi);
  border:1px dashed rgba(217,107,58,.55);padding:13px 18px;
}

/* ── 04 judging: prize card ─────────────────── */
.hk-prize{background:linear-gradient(150deg,rgba(217,107,58,.14),var(--bg) 60%)}
.hk-prize-v{font-size:clamp(26px,2.6vw,36px);color:var(--coral-hi);margin-top:12px}

/* ── responsive ─────────────────────────────── */
@media (max-width:1080px){
  .hk-stack-grid{grid-template-columns:1fr;max-width:640px}
  .hk-run::before{left:94px}
  .hk-run-item{grid-template-columns:64px 40px minmax(0,1fr)}
}
@media (max-width:640px){
  .hk-lockup{gap:12px}
  .hk-lk{height:28px}
  .hk-lk--claw{height:34px}
  .hk-lk--qwen{height:31px}
  .hk-x{font-size:20px}
  .hk-hud-row{font-size:10px;padding:8px 12px;gap:10px}
  .hk-hud-k{min-width:52px}
  .hk-run::before{left:80px}
  .hk-run-item{grid-template-columns:56px 32px minmax(0,1fr);column-gap:8px;padding:18px 0}
  .hk-run-time b{font-size:13px}
  .hk-run-body h3{font-size:17px}
  .hk-notice-in{gap:12px}
}