:root{
    --bg:#121212;
    --fg:#eceff3;
    --gap:12px;
    --reveal-ms:2600ms;
    --header-h:56px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);

    /* Hint knobs (wired from config.hint) */
    --hint-opacity:.12;
    --hint-angle:-12deg;
    --hint-size:16px;
    --hint-row-gap:8px;
    --hint-plane:3;
    --hint-feather:0%;
}

/* ===== Base ===== */
*{ box-sizing:border-box }
html,body{ height:100% }
body{
    margin:0; color:var(--fg); background:var(--bg);
    font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial;
    overflow:hidden; /* tiles view */
}
/* make sure <a> tiles never pick UA link blue */
a{ color:inherit; text-decoration:none }

/* ===== Header ===== */
.site-header{
    position:fixed; left:0; right:0; top:0;
    height:calc(var(--header-h) + var(--safe-top));
    display:flex; align-items:center; justify-content:center;
    padding:0 clamp(12px,3vw,24px);
    background:rgba(0,0,0,.55); backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(255,255,255,.10);
    z-index:2000;
}
.site-header .brand{
    font-weight:900; letter-spacing:.22em; text-transform:uppercase;
    font-size:clamp(12px,1.4vw,14px); opacity:.95; text-decoration:none;
}

/* ===== Grid ===== */
.grid{
    position:fixed; inset:0;
    top:calc(var(--header-h) + var(--safe-top));
    display:grid; grid-auto-flow:dense;
    grid-template-columns:repeat(12, 80px);
    grid-auto-rows:80px;
    gap:var(--gap); padding:var(--gap);
}

/* ===== Tiles ===== */
.tile{
    position:relative; display:block; overflow:hidden;

    /* Prod aesthetic: bright config color is the actual tile bg */
    background:var(--color,#1f2937);

    /* subtle frame */
    border:1px solid rgba(255,255,255,.08);

    transition:opacity .55s ease, transform .55s ease;
}

/* Cover sits ABOVE text (to hide it until reveal) and BELOW hint+icon */
.cover{
    position:absolute; inset:0; z-index:2; background:#242424;
    transform:translate(0,0);
    transition:transform var(--reveal-ms) cubic-bezier(.22,.8,.18,1);
    pointer-events:none; will-change:transform;
}

/* Layer stack matches prod look:
 *   1 = text, 2 = cover, 3 = hint (visible when hidden), 4 = icon (visible when hidden) */
.layer,.cover{
    position:absolute; inset:0; display:grid; place-items:center; justify-items:center;
    text-align:center; padding:clamp(12px,3vh,28px);
    transition:opacity .55s ease, transform .55s ease; pointer-events:none;
}
.text-layer{ z-index:1; opacity:0; transform:translateY(8px) }
.hint-layer{ z-index:3; opacity:var(--hint-opacity); }
.icon-layer{ z-index:4; opacity:1 }

.icon{ width:clamp(36px,9vh,110px); height:auto; object-fit:contain }
.icon.icon-text{ width:auto; font-size:clamp(24px,10vh,120px); line-height:1 }
.kicker{ font-weight:900; letter-spacing:.22em; text-transform:uppercase; font-size:12px; opacity:.95; margin:0 0 .25em }
.title{ margin:0; font-weight:1000; letter-spacing:.2px; font-size:clamp(16px,2.2vw,28px); line-height:1.1 }
.desc{ margin:.45em 0 0; opacity:.92; font-size:14px; max-width:min(72ch,90%) }
.text-layer>div{ display:flex; flex-direction:column; align-items:center }

/* Reveal: slide the cover off; fade icon out; fade text in; hide hint */
.tile:hover .cover,
.tile:focus-visible .cover,
.tile.js-reveal .cover{ transform:translate(var(--dx),var(--dy)) }

.tile:hover .icon-layer,
.tile:focus-visible .icon-layer,
.tile.js-reveal .icon-layer{ opacity:0; transform:scale(.965) }

.tile:hover .text-layer,
.tile:focus-visible .text-layer,
.tile.js-reveal .text-layer{ opacity:1; transform:none }

/* Hide hint during reveal for the flip */
.tile:hover .hint-layer,
.tile:focus-visible .hint-layer,
.tile.js-reveal .hint-layer{ opacity:0 }

@media (prefers-reduced-motion:reduce){
    .tile,.cover,.layer{ transition:none }
}

/* ===== Hint layer geometry (unchanged from prod) ===== */
.hint-layer{
    position:absolute; inset:0; pointer-events:none;
    display:block;
    /* optional soft fade at extreme sides */
    -webkit-mask-image:linear-gradient(to right,
                                       rgba(0,0,0,0) var(--hint-feather),
                                       #000 calc(var(--hint-feather) + 1px),
                                       #000 calc(100% - var(--hint-feather) - 1px),
                                       rgba(0,0,0,0) calc(100% - var(--hint-feather)));
    mask-image:linear-gradient(to right,
                               rgba(0,0,0,0) var(--hint-feather),
                               #000 calc(var(--hint-feather) + 1px),
                               #000 calc(100% - var(--hint-feather) - 1px),
                               rgba(0,0,0,0) calc(100% - var(--hint-feather)));
}
.hint-stack{
    position:absolute; left:50%; top:50%;
    transform:translate(-50%,-50%) rotate(var(--hint-angle));
    width:calc(var(--hint-plane) * 100%);
    height:calc(var(--hint-plane) * 100%);
    display:flex; flex-direction:column; justify-content:center; align-items:center;
    gap:var(--hint-row-gap);
    overflow:hidden; /* clip rows to plane; tile clips plane */
}
.hint-row{
    position:relative; display:block;
    white-space:nowrap; letter-spacing:.22em; line-height:1;
    font-weight:900; text-transform:uppercase; font-size:var(--hint-size);
    transform:translateX(var(--row-offset-px, 0px));
}
.hint-line{ opacity:1 } /* keep lines solid */

/* ===== Static pages (from prod) ===== */
body.page{
    min-height:100vh; margin:0; color:var(--fg); background:var(--bg);
    overflow-y:auto; overflow-x:hidden;
}
.page-wrap{
    box-sizing:border-box; min-height:100svh;
    padding:var(--gap);
    padding-top:calc(var(--gap) + var(--header-h) + var(--safe-top));
    padding-bottom:calc(var(--gap) + var(--safe-bottom));
    display:grid; grid-template-rows:auto 1fr; gap:var(--gap);
}
.page-header{ display:flex; align-items:center; justify-content:space-between; gap:var(--gap) }
.back-btn,.btn{
    display:inline-flex; align-items:center; gap:.6rem;
    border-radius:999px; padding:.6rem .9rem;
    border:1px solid rgba(255,255,255,0.10);
    background:rgba(255,255,255,0.04);
    color:inherit; text-decoration:none; outline:none;
    transition:background 300ms, transform 160ms;
}
.btn.primary{ background:rgba(255,255,255,0.08) }
.back-btn:hover,.btn:hover{ background:rgba(255,255,255,0.07); transform:translateY(-1px) }
.back-btn:focus-visible,.btn:focus-visible{ box-shadow:0 0 0 3px rgba(154,168,255,.45) }
.back-btn svg{ width:18px; height:18px; flex:0 0 auto; opacity:.95 }
.page-main{ display:grid; place-items:start center }
.article{
    width:min(90ch,100%); line-height:1.6;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.10);
    border-radius:16px;
    padding:clamp(16px,3vw,28px);
}
.article h1{ margin:0 0 .35em; font-size:clamp(22px,3.2vw,36px); letter-spacing:.2px; text-align:center }
.subtitle{ margin:0 0 1.1em; opacity:.85; text-align:center; font-size:clamp(14px,1.6vw,16px) }
.cta-row{ display:flex; flex-wrap:wrap; gap:.6rem; justify-content:center; margin:0 0 1.25em }
.callout{ margin:1.2em 0; padding:1rem; border:1px solid rgba(255,255,255,0.10); border-radius:12px; background:rgba(255,255,255,.03) }
.callout.warn{ border-color:rgba(255,99,99,.5); background:rgba(255,0,0,.06) }
.callout h3{ margin:.2em 0 .6em; font-size:1rem; letter-spacing:.08em; text-transform:uppercase; opacity:.9 }
.article h2{ margin:1.6em 0 .6em; font-size:clamp(18px,2.4vw,24px) }
.article h3{ margin:1.2em 0 .4em; font-size:clamp(16px,2vw,20px) }
.article p{ margin:.8em 0 }
.article ul,.article ol{ margin:.8em 0 .8em 1.2em }
.article a{ color:inherit; text-decoration:underline; text-underline-offset:2px }
.legal{ border-color:rgba(255,255,255,.18) }
.sig{ margin-top:1.5em; padding-top:1em; border-top:1px solid rgba(255,255,255,0.10); display:grid; gap:.25rem }
.party-list{ display:grid; gap:.35rem; margin:.6rem 0 1rem; padding-left:1.2rem }

/* ===== Mobile ===== */
@media (max-width:480px){
    :root{ --gap:8px; --header-h:48px }
    .kicker{ font-size:11px }
    .title{ font-size:clamp(16px,5.2vw,22px) }
    .desc{ font-size:13px }
    .icon{ width:clamp(28px,11vh,90px) }
}