/* Collapse Game - modern rebuild.
   Palette kept from the archive: dark blue #000068, red #990000, light blue #d5f4ff. */

:root{
  --navy:#000068;
  --navy-2:#0a0a86;
  --red:#990000;
  --red-2:#c21b1b;
  --light:#d5f4ff;
  --ink:#111629;
  --muted:#4d5878;
  --line:#d9e2f1;
  --bg:#f5f8fc;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 1px 2px rgba(0,0,40,.06),0 8px 24px rgba(0,0,60,.06);
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
a:hover,a:focus-visible{text-decoration:underline;color:var(--navy)}
h1,h2,h3{line-height:1.24;color:var(--navy);margin:0 0 .55em;font-weight:750;letter-spacing:-.01em}
h1{font-size:clamp(1.6rem,3.6vw,2.35rem)}
h2{font-size:clamp(1.2rem,2.2vw,1.5rem);margin-top:1.7em}
h3{font-size:1.1rem}
p{margin:0 0 1.05em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{background:var(--navy);color:#fff;border-bottom:4px solid var(--red)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand:hover,.brand:focus-visible{text-decoration:none;color:#fff}
.brand-mark{flex:0 0 auto;width:42px;height:42px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:1.22rem;letter-spacing:.2px}
.brand-tag{font-size:.74rem;color:var(--light);opacity:.9;letter-spacing:.02em}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 6px}
.main-nav a{display:block;padding:8px 12px;border-radius:999px;color:#eaeafc;font-size:.92rem;font-weight:600}
.main-nav a:hover,.main-nav a:focus-visible{background:rgba(213,244,255,.16);color:#fff;text-decoration:none}
.main-nav a[aria-current="page"]{background:var(--light);color:var(--navy)}
.main-nav a[aria-current="page"]:hover{color:var(--navy)}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--light),#eaf9ff);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:center;padding-top:34px;padding-bottom:34px}
.hero h1{margin-bottom:.35em}
.hero p{font-size:1.06rem;color:#20305c;max-width:46ch}
.hero-media{margin:0}
.hero-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:3/2;object-fit:cover;background:#cfd8ea}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:30px;align-items:start;padding-top:34px;padding-bottom:44px}
.layout > *{min-width:0}
.crumbs{font-size:.86rem;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--red)}

/* ---------- cards ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:0 0 10px;padding:0;list-style:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card-img{aspect-ratio:3/2;object-fit:cover;width:100%;background:#cfd8ea}
.card-body{padding:15px 17px 17px}
.card h3{margin:0 0 .3em;font-size:1.06rem}
.card h3 a{color:var(--navy)}
.card .card-ex{color:var(--muted);font-size:.92rem;margin:0}
.card .card-meta{margin:9px 0 0;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--red);font-weight:700}

/* section tiles on home */
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:0 0 8px;padding:0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tile img{aspect-ratio:16/10;object-fit:cover;width:100%;background:#cfd8ea}
.tile-in{padding:14px 16px 16px}
.tile h3{margin:0 0 .25em;font-size:1.04rem}
.tile h3 a{color:var(--navy)}
.tile p{margin:0;font-size:.9rem;color:var(--muted)}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:18px}
.widget{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.widget h2{font-size:1rem;margin:0;padding:12px 16px;background:var(--navy);color:#fff;letter-spacing:.02em}
.widget ul{list-style:none;margin:0;padding:8px 8px 10px}
.widget li{border-bottom:1px solid var(--line)}
.widget li:last-child{border-bottom:0}
.widget li a{display:block;padding:9px 9px;font-size:.94rem;font-weight:600;color:var(--navy)}
.widget li a:hover{color:var(--red);text-decoration:none}
.widget .w-note{padding:10px 16px 14px;margin:0;font-size:.86rem;color:var(--muted)}

/* ---------- article ---------- */
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px 30px}
.article .lead{font-size:1.08rem;color:#2a3457}
.article h2{margin-top:1.9em}
.article figure{margin:0 0 20px}
.article figure img{width:100%;border-radius:12px;aspect-ratio:3/2;object-fit:cover;background:#cfd8ea}
.article .cover{margin:4px 0 22px}
.article ul{margin:0 0 1.15em;padding-left:1.25em}
.article li{margin:0 0 .5em}
.article-table-wrap{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:12px}
.article table{border-collapse:collapse;width:100%;font-size:.94rem}
.article th,.article td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere;word-break:break-word;vertical-align:top}
.article th{background:var(--light);color:var(--navy);font-weight:700}
.article tbody tr:last-child td{border-bottom:0}
.related{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}
.related h2{font-size:1.08rem;margin:0 0 .6em}
.related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 20px}
.related li{margin:0}
.related a{font-weight:600}

/* ---------- page ---------- */
.page-head{margin:0 0 22px}
.page-head p{color:var(--muted);max-width:70ch}
.doc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px 30px}
.doc h2{font-size:1.12rem}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{margin:0 0 .6em}
.btn{display:inline-block;background:var(--red);color:#fff;padding:11px 20px;border-radius:999px;font-weight:700}
.btn:hover,.btn:focus-visible{background:var(--navy);color:#fff;text-decoration:none}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#d7d7f5;margin-top:auto}
.site-footer .wrap{padding-top:26px;padding-bottom:26px;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between}
.site-footer p{margin:0;font-size:.9rem}
.site-footer a{color:#fff;font-weight:600}
.site-footer a:hover{color:var(--light)}
.foot-nav{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;margin:0;padding:0;font-size:.9rem}
.foot-nav li{margin:0}
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
}
@media (max-width:760px){
  body{font-size:16px}
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:18px}
  .grid-cards{grid-template-columns:minmax(0,1fr)}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related ul{grid-template-columns:minmax(0,1fr)}
  .article,.doc{padding:20px 18px 22px}
  .site-header .wrap{justify-content:flex-start}
}
@media (max-width:600px){
  .tiles{grid-template-columns:minmax(0,1fr)}
  .sidebar{grid-template-columns:minmax(0,1fr)}
  .main-nav ul{gap:2px 4px}
  .main-nav a{padding:7px 10px;font-size:.88rem}
}