/* ============================================================
   ARMAAN AGARWAL — PORTFOLIO · shared styles
   Palette: deep ink base · court amber · ice blue
   ============================================================ */
:root{
  --ink:#07090e; --panel:#0d1119; --panel-2:#121826; --line:#1d2536;
  --text:#e9edf4; --muted:#8b94a6; --faint:#525b6c;
  --amber:#e8a33d; --ice:#7fb4ff; --green:#4ade80;
  --font-d:'Unbounded',sans-serif;
  --font-b:'Instrument Sans',sans-serif;
  --font-m:'IBM Plex Mono',monospace;
  --max:1180px; --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--text);font-family:var(--font-b);font-size:17px;line-height:1.65;overflow-x:hidden}
::selection{background:var(--amber);color:var(--ink)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:4px}

/* ---------- cursor ---------- */
@media(pointer:fine){
  .cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;transform:translate(-50%,-50%)}
  .cursor-dot{width:6px;height:6px;background:var(--amber)}
  .cursor-ring{width:34px;height:34px;border:1px solid rgba(232,163,61,.55);
    transition:width .25s var(--ease),height .25s var(--ease),border-color .25s,background .25s}
  .cursor-ring.is-hover{width:58px;height:58px;border-color:var(--ice);background:rgba(127,180,255,.06)}
}
@media(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}

/* ---------- progress + nav ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--amber),var(--ice));z-index:1000}
nav{position:fixed;top:0;left:0;right:0;z-index:900;display:flex;align-items:center;justify-content:space-between;
  padding:20px 40px;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
nav.scrolled{background:rgba(7,9,14,.85);backdrop-filter:blur(14px);border-color:var(--line)}
.nav-logo{font-family:var(--font-m);font-size:14px;letter-spacing:.08em;color:var(--muted)}
.nav-logo b{color:var(--amber);font-weight:500}
.nav-links{display:flex;gap:26px;font-family:var(--font-m);font-size:13px;align-items:center}
.nav-links a{color:var(--muted);position:relative;transition:color .2s}
.nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--text)}
.nav-links a.active{color:var(--amber)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:var(--amber);transition:width .3s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{border:1px solid var(--line);border-radius:999px;padding:8px 16px !important}
.nav-cta::after{display:none}
.nav-cta:hover{border-color:var(--amber)}
@media(max-width:800px){.nav-links{gap:16px;font-size:12px}.nav-links a:not(.core){display:none}}

/* ---------- shared section scaffolding ---------- */
section{padding:110px 40px;position:relative}
.wrap{max-width:var(--max);margin:0 auto}
.sec-label{font-family:var(--font-m);font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--ice);
  display:flex;align-items:center;gap:14px;margin-bottom:18px}
.sec-label::before{content:"";width:32px;height:1px;background:var(--ice)}
h1.page-title,h2{font-family:var(--font-d);font-weight:600;letter-spacing:-.01em;line-height:1.12}
h2{font-size:clamp(28px,4.2vw,48px);margin-bottom:30px}
.hl{color:var(--amber)}
.lede{color:var(--muted);font-size:18.5px;max-width:800px;margin-bottom:44px}
.lede strong{color:var(--text)}
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;
  font-family:var(--font-m);font-size:14px;border:1px solid var(--line);color:var(--text);background:transparent;
  cursor:pointer;transition:transform .25s var(--ease),background .25s,border-color .25s;will-change:transform}
.btn:hover{border-color:var(--amber);background:rgba(232,163,61,.08)}
.btn.solid{background:var(--amber);color:var(--ink);border-color:var(--amber);font-weight:500}
.btn.solid:hover{background:#f0b45a}
.btn.ice:hover{border-color:var(--ice);background:rgba(127,180,255,.08)}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-family:var(--font-m);font-size:12.5px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);background:rgba(255,255,255,.02);transition:border-color .2s,color .2s,transform .2s var(--ease)}
.chip:hover{border-color:var(--ice);color:var(--ice);transform:translateY(-2px)}

.pill{font-family:var(--font-m);font-size:12px;letter-spacing:.1em;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(74,222,128,.4);color:var(--green);display:inline-flex;align-items:center;gap:8px}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 1.8s ease infinite}
@keyframes pulse{50%{opacity:.35}}

/* ---------- HOME: hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:0 40px;overflow:hidden}
#constellation{position:absolute;inset:0;z-index:0;opacity:.9}
.hero-inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;width:100%}
.hero-eyebrow{font-family:var(--font-m);font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);
  margin-bottom:26px;display:flex;align-items:center;gap:14px}
.hero-eyebrow::before{content:"";width:42px;height:1px;background:var(--amber)}
.hero-name{font-family:var(--font-d);font-weight:800;font-size:clamp(44px,9.4vw,124px);line-height:.98;text-transform:uppercase;letter-spacing:-.01em}
.hero-name .word{display:block;overflow:hidden}
.hero-name .ch{display:inline-block;transform:translateY(115%);animation:rise 1s var(--ease) forwards}
.hero-name .word:nth-child(2) .ch{color:transparent;-webkit-text-stroke:1.5px var(--text)}
@keyframes rise{to{transform:translateY(0)}}
.hero-goal{margin-top:34px;opacity:0;animation:fadeUp .9s var(--ease) .95s forwards}
.goal-line{display:inline-flex;flex-wrap:wrap;align-items:center;gap:12px;border:1px solid var(--line);
  background:rgba(13,17,25,.7);border-radius:14px;padding:16px 22px;font-family:var(--font-m);font-size:14px}
.goal-line .g-label{color:var(--green);display:flex;align-items:center;gap:8px}
.goal-line .g-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 1.8s ease infinite}
.goal-line .g-roles{color:var(--text)}
.goal-line .g-roles b{color:var(--amber);font-weight:500}
.goal-line .g-coop{color:var(--muted)}
.hero-role{margin-top:22px;font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:660px;opacity:0;animation:fadeUp .9s var(--ease) 1.15s forwards}
.hero-role .tick{color:var(--ice);font-family:var(--font-m);font-size:.92em}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-cta{display:flex;gap:16px;margin-top:38px;opacity:0;animation:fadeUp .9s var(--ease) 1.35s forwards;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-family:var(--font-m);font-size:11px;
  letter-spacing:.28em;color:var(--muted);writing-mode:vertical-rl;opacity:0;animation:fadeUp 1s ease 1.9s forwards}
.scroll-cue::after{content:"";display:block;width:1px;height:44px;margin:12px auto 0;
  background:linear-gradient(var(--muted),transparent);animation:drip 1.8s ease infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- marquee ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:18px 0;background:var(--panel)}
.marquee-track{display:flex;gap:48px;width:max-content;animation:scrollx 30s linear infinite;
  font-family:var(--font-m);font-size:14px;color:var(--muted);white-space:nowrap}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span b{color:var(--amber);font-weight:400;margin-right:48px}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:start}
.about-grid p{color:var(--muted);margin-bottom:20px;font-size:18px}
.about-grid p strong{color:var(--text);font-weight:600}
.fact-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;font-family:var(--font-m);font-size:14px}
.fact-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.fact-row:last-child{border-bottom:none}
.fact-row .k{color:var(--muted)}
.fact-row .v{color:var(--text);text-align:right}
.fact-row .v.a{color:var(--amber)}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}}

/* ---------- HOME: teaser cards ---------- */
.teasers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.teaser{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:20px;padding:34px 30px;overflow:hidden;transition:transform .35s var(--ease),border-color .35s}
.teaser:hover{transform:translateY(-6px);border-color:var(--amber)}
.teaser::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;
  background:radial-gradient(500px 240px at 50% 0%,rgba(232,163,61,.09),transparent 70%)}
.teaser:hover::before{opacity:1}
.teaser .t-kicker{font-family:var(--font-m);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ice);margin-bottom:14px}
.teaser h3{font-family:var(--font-d);font-weight:600;font-size:21px;margin-bottom:12px;line-height:1.25}
.teaser p{color:var(--muted);font-size:15.5px;flex:1}
.teaser .t-stats{display:flex;gap:22px;margin:20px 0;font-family:var(--font-m);font-size:12.5px;color:var(--muted)}
.teaser .t-stats b{display:block;font-family:var(--font-d);font-weight:600;font-size:21px;color:var(--amber)}
.teaser .t-link{font-family:var(--font-m);font-size:13.5px;color:var(--amber);display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.teaser .t-link .arr{transition:transform .3s var(--ease)}
.teaser:hover .t-link .arr{transform:translateX(6px)}
@media(max-width:960px){.teasers{grid-template-columns:1fr}}

/* ---------- experience ---------- */
.xp-group{font-family:var(--font-m);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);
  margin:44px 0 26px;display:flex;align-items:center;gap:14px}
.xp-group:first-of-type{margin-top:0}
.xp-group::after{content:"";flex:1;height:1px;background:var(--line)}
.xp-group.now-group{color:var(--green)}
.xp{border-left:1px solid var(--line);margin-left:8px;padding-left:44px}
.xp-item{position:relative;padding-bottom:48px}
.xp-item:last-child{padding-bottom:8px}
.xp-item::before{content:"";position:absolute;left:-49px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--ink);border:2px solid var(--amber)}
.xp-item.now::before{border-color:var(--green);box-shadow:0 0 10px rgba(74,222,128,.4)}
.xp-item .when{font-family:var(--font-m);font-size:12.5px;color:var(--ice);letter-spacing:.06em}
.xp-item h3{font-size:21px;font-weight:600;margin:8px 0 2px}
.xp-item .org{font-family:var(--font-m);font-size:13.5px;color:var(--muted);margin-bottom:12px}
.xp-item p{color:var(--muted);max-width:760px}
.xp-item p strong{color:var(--text)}
.xp-item .in-link{color:var(--ice)}

/* ---------- education + certs ---------- */
.edu-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}
.edu-card,.cert-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px}
.edu-card h3{font-family:var(--font-d);font-weight:600;font-size:20px;margin-bottom:4px}
.edu-card .org{font-family:var(--font-m);font-size:13px;color:var(--muted);margin-bottom:18px}
.major{display:flex;align-items:baseline;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.major:last-of-type{border-bottom:none}
.major .m-num{font-family:var(--font-m);font-size:12px;color:var(--amber)}
.major .m-name{font-weight:600}
.major .m-note{font-size:14px;color:var(--muted)}
.cert{display:flex;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.cert:last-child{border-bottom:none}
.cert .c-dot{margin-top:8px;width:8px;height:8px;border-radius:50%;flex-shrink:0}
.cert .c-dot.done{background:var(--green)}
.cert .c-dot.wip{background:var(--amber);animation:pulse 1.8s ease infinite}
.cert h4{font-size:16.5px;font-weight:600}
.cert .c-org{font-family:var(--font-m);font-size:12.5px;color:var(--muted)}
.cert .c-status{font-family:var(--font-m);font-size:11.5px;letter-spacing:.08em;margin-top:4px}
.cert .c-status.wip{color:var(--amber)}
.cert .c-status.done{color:var(--green)}
@media(max-width:900px){.edu-grid{grid-template-columns:1fr}}

/* ---------- skills ---------- */
.skill-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.skill-groups h3{font-family:var(--font-m);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--ice);margin-bottom:16px}
@media(max-width:860px){.skill-groups{grid-template-columns:1fr}}

/* ---------- connect ---------- */
#connect{background:radial-gradient(1000px 500px at 50% 100%,rgba(127,180,255,.06),transparent 65%)}
.connect-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:14px 0 44px}
.ccard{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),border-color .35s}
.ccard:hover{transform:translateY(-6px);border-color:var(--ice)}
.ccard .c-ico{font-size:26px;margin-bottom:16px}
.ccard h3{font-family:var(--font-d);font-weight:600;font-size:19px;margin-bottom:10px;line-height:1.3}
.ccard p{color:var(--muted);font-size:15.5px;flex:1;margin-bottom:22px}
.ccard .btn{align-self:flex-start;padding:11px 20px;font-size:13px}
@media(max-width:960px){.connect-cards{grid-template-columns:1fr}}
.contact-big{font-family:var(--font-d);font-weight:800;text-transform:uppercase;text-align:center;
  font-size:clamp(30px,6vw,72px);line-height:1.05;letter-spacing:-.01em;margin-top:20px}
.contact-big a{background:linear-gradient(90deg,var(--amber),var(--ice));-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;transition:opacity .3s}
.contact-big a:hover{opacity:.75}

/* ---------- footer ---------- */
footer{padding:60px 40px;border-top:1px solid var(--line);text-align:center}
.foot-links{display:flex;justify-content:center;gap:32px;font-family:var(--font-m);font-size:14px;flex-wrap:wrap}
.foot-links a{color:var(--muted);transition:color .2s}
.foot-links a:hover{color:var(--amber)}
.foot-fine{margin-top:28px;font-family:var(--font-m);font-size:12px;color:var(--faint)}

/* ============================================================
   SUBPAGES
   ============================================================ */
.page-hero{padding:190px 40px 70px;position:relative;overflow:hidden}
.page-hero .crumb{font-family:var(--font-m);font-size:13px;color:var(--muted);margin-bottom:22px;display:block}
.page-hero .crumb a{color:var(--ice)}
.page-hero .crumb a:hover{text-decoration:underline}
h1.page-title{font-size:clamp(34px,6vw,68px);margin-bottom:24px}
.page-hero .lede{margin-bottom:26px}

/* stats row */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:44px 0 0}
.stat-box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;
  transition:transform .3s var(--ease),border-color .3s}
.stat-box:hover{transform:translateY(-4px);border-color:var(--amber)}
.stat-box .num{font-family:var(--font-d);font-weight:600;font-size:30px}
.stat-box .num .u{font-size:15px;color:var(--muted)}
.stat-box .lbl{font-family:var(--font-m);font-size:11.5px;color:var(--muted);margin-top:8px;letter-spacing:.05em}
@media(max-width:860px){.stat-grid{grid-template-columns:repeat(2,1fr)}}

/* stages */
.stage-phase{font-family:var(--font-m);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;
  margin:52px 0 20px;display:flex;align-items:center;gap:14px}
.stage-phase::after{content:"";flex:1;height:1px;background:var(--line)}
.stage-phase.p-done{color:var(--green)}
.stage-phase.p-now{color:var(--amber)}
.stage-phase.p-next{color:var(--ice)}
.stage{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;background:var(--panel);overflow:hidden;transition:border-color .3s}
.stage.open{border-color:rgba(232,163,61,.5)}
.stage-btn{width:100%;display:flex;align-items:center;gap:20px;padding:22px 26px;background:none;border:none;color:var(--text);cursor:pointer;text-align:left}
.stage-num{font-family:var(--font-m);font-size:13px;color:var(--muted);min-width:36px}
.stage-name{font-weight:600;font-size:17px;flex:1}
.stage-status{font-family:var(--font-m);font-size:11px;letter-spacing:.12em;padding:5px 12px;border-radius:999px;border:1px solid;white-space:nowrap}
.stage-status.done{color:var(--green);border-color:rgba(74,222,128,.4)}
.stage-status.now{color:var(--amber);border-color:rgba(232,163,61,.5)}
.stage-status.next{color:var(--ice);border-color:rgba(127,180,255,.4)}
.stage-status.vision{color:var(--muted);border-color:var(--line)}
.stage-arrow{color:var(--muted);transition:transform .35s var(--ease);font-size:13px}
.stage.open .stage-arrow{transform:rotate(180deg)}
.stage-body{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.stage-body-in{padding:0 26px 26px 82px;color:var(--muted);font-size:16px}
.stage-body-in p{margin-bottom:12px}
.stage-body-in strong{color:var(--text)}
.stage-body-in code{font-family:var(--font-m);font-size:.88em;color:var(--ice);background:rgba(127,180,255,.08);padding:2px 7px;border-radius:6px}
@media(max-width:640px){.stage-body-in{padding-left:26px}}

/* model table */
.mtable{width:100%;border-collapse:collapse;font-size:15.5px;margin-top:10px}
.mtable th{font-family:var(--font-m);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
.mtable td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top}
.mtable td:first-child{color:var(--text);font-weight:600;white-space:nowrap}
.mtable td code{font-family:var(--font-m);font-size:.85em;color:var(--amber)}
.mtable tr{transition:background .2s}
.mtable tbody tr:hover{background:rgba(255,255,255,.02)}
.table-scroll{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:8px 6px}

/* monte carlo widget */
.mc{margin-top:64px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:36px}
.mc h3{font-family:var(--font-d);font-weight:600;font-size:22px;margin-bottom:8px}
.mc .mc-sub{color:var(--muted);font-size:15.5px;margin-bottom:26px;max-width:740px}
.mc-controls{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:22px}
.mc-controls label{font-family:var(--font-m);font-size:13px;color:var(--muted)}
.mc-controls input[type=range]{accent-color:var(--amber);width:220px}
#mcProb{color:var(--amber);font-family:var(--font-m)}
#mcCanvas{width:100%;height:240px;display:block;border-radius:12px;background:var(--ink)}
.mc-read{display:flex;gap:36px;flex-wrap:wrap;margin-top:20px;font-family:var(--font-m);font-size:13px;color:var(--muted)}
.mc-read b{color:var(--text);font-weight:500}
.mc-note{margin-top:18px;font-size:14px;color:var(--muted);font-style:italic}

/* principles */
.thinking{margin-top:64px;border-left:2px solid var(--amber);padding:6px 0 6px 30px}
.thinking h3{font-family:var(--font-m);font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.thinking p{color:var(--muted);max-width:820px;margin-bottom:14px}
.thinking p strong{color:var(--text)}

/* research page */
.research-card{background:linear-gradient(135deg,var(--panel),#0e1524);border:1px solid var(--line);border-radius:20px;
  padding:44px;position:relative;overflow:hidden;margin-bottom:22px}
.research-card::before{content:"min Σ cᵢxᵢ   s.t.   Ax ≤ b,   x ∈ {0,1}ⁿ";
  position:absolute;top:22px;right:28px;font-family:var(--font-m);font-size:13px;color:rgba(127,180,255,.25)}
.research-card h3{font-family:var(--font-d);font-weight:600;font-size:23px;margin-bottom:6px}
.research-card .sub{font-family:var(--font-m);font-size:13px;color:var(--muted);margin-bottom:24px}
.research-card p{color:var(--muted);margin-bottom:18px;max-width:840px}
.research-card p strong{color:var(--text)}
.plain-card{background:var(--panel-2);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin:26px 0}
.plain-card .pc-label{font-family:var(--font-m);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.plain-card p{color:var(--muted);margin-bottom:0 !important}

/* hackathon flip cards */
.win-badges{display:flex;gap:12px;flex-wrap:wrap;margin:6px 0 50px}
.wbadge{font-family:var(--font-m);font-size:13px;padding:10px 18px;border-radius:999px;border:1px solid rgba(232,163,61,.45);
  color:var(--text);background:rgba(232,163,61,.06);display:inline-flex;align-items:center;gap:10px}
.wbadge .w-place{color:var(--amber);font-weight:500}
.hack-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.flip{perspective:1400px;cursor:pointer}
.flip-inner{position:relative;display:grid;transform-style:preserve-3d;transition:transform .7s var(--ease)}
.flip.flipped .flip-inner{transform:rotateY(180deg)}
.flip-face{grid-area:1/1;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:20px;border:1px solid var(--line);padding:32px;display:flex;flex-direction:column;background:var(--panel)}
.flip-front .f-place{font-family:var(--font-d);font-weight:800;font-size:38px;color:var(--amber)}
.flip-front .f-place.blue{color:var(--ice)}
.flip-front h3{font-family:var(--font-d);font-weight:600;font-size:21px;margin:14px 0 6px;line-height:1.25}
.flip-front .f-event{font-family:var(--font-m);font-size:13px;color:var(--muted)}
.flip-front .f-tag{color:var(--muted);font-size:15.5px;margin-top:14px;flex:1}
.flip-front .f-hint{font-family:var(--font-m);font-size:12px;color:var(--faint);margin-top:18px}
.flip-back{transform:rotateY(180deg);background:var(--panel-2);border-color:rgba(232,163,61,.35)}
.flip-back p{color:var(--muted);font-size:15px;flex:1}
.flip-back p strong{color:var(--text)}
.flip-back .chips{margin:16px 0}
.flip-back .devpost-link{font-family:var(--font-m);font-size:13px;color:var(--amber);display:inline-flex;gap:8px;align-items:center}
.flip-back .devpost-link:hover{text-decoration:underline}
@media(max-width:860px){.hack-grid{grid-template-columns:1fr}}

/* sub-page connect strip */
.sub-connect{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:40px;margin-top:80px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.sub-connect h3{font-family:var(--font-d);font-weight:600;font-size:22px;margin-bottom:8px}
.sub-connect p{color:var(--muted);max-width:560px}
.sub-connect .sc-btns{display:flex;gap:14px;flex-wrap:wrap}

/* next-page nav */
.next-page{display:flex;justify-content:space-between;gap:16px;margin-top:60px;flex-wrap:wrap}
.next-page a{font-family:var(--font-m);font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:12px;
  padding:16px 22px;transition:color .2s,border-color .2s}
.next-page a:hover{color:var(--amber);border-color:var(--amber)}

/* build progress meter (HoopIQ) */
.build-meter{margin-top:38px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 28px}
.build-meter .bm-top{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--font-m);font-size:13px;color:var(--muted);margin-bottom:14px}
.build-meter .bm-top b{color:var(--amber);font-weight:500}
.bm-bar{height:8px;border-radius:999px;background:var(--ink);overflow:hidden;position:relative}
.bm-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--amber));
  transition:width 1.4s var(--ease) .3s}
.bm-note{font-family:var(--font-m);font-size:12px;color:var(--faint);margin-top:12px}

/* copy-email strip */
.copy-strip{display:inline-flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:999px;
  padding:12px 12px 12px 24px;font-family:var(--font-m);font-size:14.5px;color:var(--muted);
  cursor:pointer;background:var(--panel);transition:border-color .25s}
.copy-strip:hover{border-color:var(--ice)}
.copy-strip .addr{color:var(--text)}
.copy-strip .copy-tag{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12px;
  color:var(--ice);transition:background .2s,color .2s}
.copy-strip:hover .copy-tag{background:rgba(127,180,255,.1)}
.copy-strip.copied{border-color:var(--green)}
.copy-strip.copied .copy-tag{color:var(--green);border-color:rgba(74,222,128,.5)}

/* toast */
.toast{position:fixed;bottom:34px;left:50%;transform:translate(-50%,20px);z-index:1200;
  background:var(--panel-2);border:1px solid rgba(74,222,128,.5);color:var(--text);
  font-family:var(--font-m);font-size:13.5px;padding:13px 24px;border-radius:999px;
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s var(--ease)}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .hero-name .ch{transform:none}
  .hero-goal,.hero-role,.hero-cta,.scroll-cue{opacity:1}
  .reveal{opacity:1;transform:none}
}
@media(max-width:640px){
  section{padding:80px 22px}
  .hero{padding:0 22px}
  nav{padding:16px 22px}
  .page-hero{padding:150px 22px 50px}
}