/* mivhanim.co.il: a calm, precise learning lab. Open Sans, RTL, graph paper, geometric accents. */
:root{
  --bg:#f6f7fb;--surface:#ffffff;--surface-2:#eef1f8;--ink:#121a33;--muted:#4b5470;--line:#dde2ee;--line-2:#c9d0e2;
  --grid:rgba(43,80,214,.075);--dotc:rgba(18,26,51,.13);
  --cobalt:#2b50d6;--cobalt-soft:#e5eafc;--cobalt-ink:#2442b8;
  --teal:#12a08a;--teal-soft:#daf2ec;--teal-ink:#0b6b5c;
  --saffron:#f0b429;--saffron-soft:#fcefcb;--saffron-ink:#7f5300;
  --berry:#d0466f;--berry-soft:#fbe3ea;--berry-ink:#a32a51;
  --cta:#2442b8;--cta-ink:#ffffff;--cta-hover:#1b3596;
  --tone:var(--cobalt);--tone-soft:var(--cobalt-soft);--tone-ink:var(--cobalt-ink);
  --ok:#0b7a52;--ok-soft:#dcf3e7;--bad:#b4233c;--bad-soft:#fbe4e8;
  --shadow:0 1px 2px rgba(18,26,51,.05),0 10px 28px -14px rgba(18,26,51,.22);
  --shadow-lg:0 2px 4px rgba(18,26,51,.05),0 28px 60px -28px rgba(18,26,51,.35);
  --r-sm:8px;--r:14px;--r-lg:22px;
  --wrap:1200px;
  /* accessibility statement page variables */
  --primary:#121a33;--primary-container:#2442b8;--secondary:#12a08a;--on-surface:var(--ink);--on-surface-muted:var(--muted);--border:var(--line);--surface-alt:var(--surface-2);
  color-scheme:light;
}
:root[data-theme=dark]{
  --bg:#0d1222;--surface:#151c31;--surface-2:#1c2440;--ink:#eef1fa;--muted:#adb6cf;--line:#28314e;--line-2:#36405f;
  --grid:rgba(140,165,255,.07);--dotc:rgba(238,241,250,.14);
  --cobalt:#7d97ff;--cobalt-soft:#1d2852;--cobalt-ink:#a9baff;
  --teal:#3fd0b6;--teal-soft:#123a35;--teal-ink:#6fe3cd;
  --saffron:#ffcb57;--saffron-soft:#3a3018;--saffron-ink:#ffd57a;
  --berry:#ff7fa3;--berry-soft:#3d1d2a;--berry-ink:#ffa3bd;
  --cta:#8fa6ff;--cta-ink:#0d1222;--cta-hover:#b0c0ff;
  --ok:#5fdca6;--ok-soft:#123628;--bad:#ff8fa3;--bad-soft:#3d1a23;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 30px -14px rgba(0,0,0,.6);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 28px 60px -26px rgba(0,0,0,.75);
  --primary:#eef1fa;--primary-container:#1d2852;--secondary:#3fd0b6;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme=light]){
    --bg:#0d1222;--surface:#151c31;--surface-2:#1c2440;--ink:#eef1fa;--muted:#adb6cf;--line:#28314e;--line-2:#36405f;
    --grid:rgba(140,165,255,.07);--dotc:rgba(238,241,250,.14);
    --cobalt:#7d97ff;--cobalt-soft:#1d2852;--cobalt-ink:#a9baff;
    --teal:#3fd0b6;--teal-soft:#123a35;--teal-ink:#6fe3cd;
    --saffron:#ffcb57;--saffron-soft:#3a3018;--saffron-ink:#ffd57a;
    --berry:#ff7fa3;--berry-soft:#3d1d2a;--berry-ink:#ffa3bd;
    --cta:#8fa6ff;--cta-ink:#0d1222;--cta-hover:#b0c0ff;
    --ok:#5fdca6;--ok-soft:#123628;--bad:#ff8fa3;--bad-soft:#3d1a23;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 30px -14px rgba(0,0,0,.6);
    --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 28px 60px -26px rgba(0,0,0,.75);
    --primary:#eef1fa;--primary-container:#1d2852;--secondary:#3fd0b6;
    color-scheme:dark;
  }
}
.t-cobalt{--tone:var(--cobalt);--tone-soft:var(--cobalt-soft);--tone-ink:var(--cobalt-ink)}
.t-teal{--tone:var(--teal);--tone-soft:var(--teal-soft);--tone-ink:var(--teal-ink)}
.t-saffron{--tone:var(--saffron);--tone-soft:var(--saffron-soft);--tone-ink:var(--saffron-ink)}
.t-berry{--tone:var(--berry);--tone-soft:var(--berry-soft);--tone-ink:var(--berry-ink)}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Open Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:17.5px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.015em}
p{margin:0 0 1em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:4px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.section{padding-block:56px}
.skip{position:absolute;inset-inline-start:12px;top:-60px;z-index:200;background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:var(--r-sm);font-weight:700;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
.ico{width:22px;height:22px;flex:none}
.ico.sm{width:18px;height:18px}
.ico.lg{width:34px;height:34px}
.noimg{display:block;width:100%;aspect-ratio:16/9;background-color:var(--surface-2);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
.paper{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px}

/* glyphs */
.glyph{width:28px;height:28px;flex:none;display:inline-block}
.glyph.xs{width:18px;height:18px}
.glyph.md{width:36px;height:36px}
.glyph.lg{width:46px;height:46px}
.glyph .g1{fill:var(--tone)}
.glyph .g2{fill:var(--tone-ink);opacity:.55}
.glyph .g3{fill:var(--surface)}
.glyph .gl{fill:none;stroke:var(--tone);stroke-width:2.5;opacity:.6}
.tt-series,.glyph-series{--tone:var(--cobalt);--tone-ink:var(--cobalt-ink);--tone-soft:var(--cobalt-soft)}
.tt-analogy{--tone:var(--teal);--tone-ink:var(--teal-ink);--tone-soft:var(--teal-soft)}
.tt-logic{--tone:var(--berry);--tone-ink:var(--berry-ink);--tone-soft:var(--berry-soft)}
.tt-spatial{--tone:var(--saffron);--tone-ink:var(--saffron-ink);--tone-soft:var(--saffron-soft)}

/* ---------- buttons, chips, kickers ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:50px;padding:12px 24px;border-radius:var(--r-sm);font-weight:700;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;line-height:1.2}
.btn.solid{background:var(--cta);color:var(--cta-ink);box-shadow:0 10px 22px -12px rgba(36,66,184,.8)}
.btn.solid:hover{background:var(--cta-hover)}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--ink)}
.btn .arr{display:inline-flex}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;color:var(--tone-ink);background:var(--tone-soft);padding:4px 10px;border-radius:6px;text-decoration:none;line-height:1.4}
.chip.big{font-size:.9rem;padding:6px 12px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;letter-spacing:.02em;color:var(--tone-ink);margin:0 0 .6em}
.kicker .ico{color:var(--tone)}
.shead{margin-bottom:28px;max-width:760px}
.shead h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
.shead p{color:var(--muted);margin:0}
.shead.center{text-align:center;margin-inline:auto}
.shead.center .kicker{justify-content:center}
.shead.row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;max-width:none}
.shead.row h2{margin:0}
.shead.row p{flex:1 1 320px}
.shead.row .more{margin-inline-start:auto}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--tone-ink);text-decoration:none}
.more:hover{text-decoration:underline}
.cmore{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:600;color:var(--muted);margin-top:auto}
.cmore .arr{display:inline-flex;color:var(--tone-ink);transition:transform .25s}
a:hover .cmore .arr{transform:translateX(-4px)}
.empty{padding:28px;border:1.5px dashed var(--line-2);border-radius:var(--r);color:var(--muted);text-align:center}
.h3{font-size:1.25rem}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.top.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px -16px rgba(18,26,51,.35)}
.bar{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.lmark{width:36px;height:36px}
.lm1{fill:var(--cobalt)}.lm2{fill:var(--saffron)}.lm3{fill:var(--teal)}.lm4{fill:var(--berry)}
.wm{font-weight:800;font-size:1.45rem;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:4px;margin-inline-start:auto}
.nav a{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border-radius:var(--r-sm);text-decoration:none;font-weight:600;font-size:.95rem;color:var(--ink);white-space:nowrap}
.nav a:hover{background:var(--surface-2)}
.nav a[aria-current]{background:var(--tone-soft);color:var(--tone-ink)}
.ndot{width:8px;height:8px;border-radius:2px;background:var(--tone);transform:rotate(45deg)}
.nav .navtool{color:var(--cobalt-ink);border:1.5px solid var(--line-2)}
.nav .navtool[aria-current]{background:var(--saffron-soft);color:var(--saffron-ink);border-color:var(--saffron)}
.nav .navcta{background:var(--cta);color:var(--cta-ink);margin-inline-start:6px}
.nav .navcta:hover{background:var(--cta-hover)}
.tools{display:flex;align-items:center;gap:6px}
.theme,.menu{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;border:1.5px solid var(--line);background:var(--surface);border-radius:var(--r-sm);cursor:pointer;color:var(--ink)}
.theme .i-sun{display:none}
:root[data-theme=dark] .theme .i-sun{display:block}:root[data-theme=dark] .theme .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .theme .i-sun{display:block}:root:not([data-theme=light]) .theme .i-moon{display:none}}
.menu{display:none;padding-inline:12px;font-weight:700;font-size:.9rem}
.burger{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.burger i{display:block;height:2px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .25s}
.menu[aria-expanded=true] .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu[aria-expanded=true] .burger i:nth-child(2){opacity:0}
.menu[aria-expanded=true] .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:1120px){
  .menu{display:inline-flex}
  .tools{margin-inline-start:auto}
  .nav{display:none;position:absolute;top:100%;inset-inline:0;flex-direction:column;align-items:stretch;gap:4px;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow);margin:0}
  .nav.open{display:flex}
  .nav a{padding:12px 14px;font-size:1.02rem}
  .nav .navcta{margin:6px 0 0;justify-content:center}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 90px;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px;background-position:center top;border-bottom:1px solid var(--line)}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hgrid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:center}
.hk{color:var(--cobalt-ink)}
.hh{font-size:clamp(2.3rem,5.4vw,4rem);line-height:1.08;letter-spacing:-.03em;margin-bottom:.4em}
.hh span{display:block}
.hh mark{background:linear-gradient(transparent 60%,var(--saffron-soft) 60%);color:inherit;padding-inline:.06em}
:root[data-theme=dark] .hh mark{background:linear-gradient(transparent 60%,rgba(255,203,87,.28) 60%)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .hh mark{background:linear-gradient(transparent 60%,rgba(255,203,87,.28) 60%)}}
.lede{font-size:1.15rem;color:var(--muted);max-width:540px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px}
.hstats{list-style:none;margin:0;padding:18px 0 0;display:flex;flex-wrap:wrap;gap:12px 34px;border-top:1px solid var(--line)}
.hstats li{font-size:.92rem;color:var(--muted);display:flex;align-items:baseline;gap:8px}
.hstats b{font-size:1.9rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hvis{position:relative;padding:26px 0 36px}
.hframe{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface-2)}
.hframe::before{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(18,26,51,.06);z-index:1;pointer-events:none}
.hpic{width:100%;aspect-ratio:16/10.5;object-fit:cover}
.hmatrix{position:absolute;inset-inline-end:-26px;bottom:-6px;z-index:2;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px 12px 8px;box-shadow:var(--shadow-lg);width:184px}
.matrix{display:block;width:100%;height:auto}
.m-cell{fill:var(--surface-2)}
.c-cob{fill:var(--cobalt)}.c-teal{fill:var(--teal)}.c-saf{fill:var(--saffron)}
.m-q text{font:800 40px "Open Sans",sans-serif;fill:var(--muted)}
.m-ans{opacity:0}
.m-sh,.m-ans,.m-q{transform-box:fill-box;transform-origin:center}
.mcap{display:block;text-align:center;font-size:.78rem;font-weight:700;color:var(--muted);margin-top:4px}
.hseries{position:absolute;top:0;inset-inline-start:22px;z-index:2;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 12px;box-shadow:var(--shadow)}
.scap{font-size:.78rem;font-weight:700;color:var(--muted);white-space:nowrap}
.tiles{display:flex;gap:6px}
.tiles i{font-style:normal;display:grid;place-items:center;min-width:32px;height:32px;padding-inline:6px;border-radius:7px;border:1.5px solid var(--line-2);font-weight:800;font-size:.95rem;font-variant-numeric:tabular-nums;background:var(--surface)}
.tiles i:nth-child(1){border-color:var(--cobalt);color:var(--cobalt-ink)}
.tiles i:nth-child(2){border-color:var(--teal);color:var(--teal-ink)}
.tiles i:nth-child(3){border-color:var(--saffron);color:var(--saffron-ink)}
.tiles i:nth-child(4){border-color:var(--berry);color:var(--berry-ink)}
.tiles i:nth-child(5){border-color:var(--cobalt);color:var(--cobalt-ink)}
.tiles .qm{position:relative;border-style:dashed;border-color:var(--ink);overflow:hidden;min-width:36px}
.tiles .qm b{display:block}
.tiles .qm.solved{border-style:solid;border-color:var(--ok)}
.tiles .qm .a{position:absolute;inset:0;display:grid;place-items:center;opacity:0;color:var(--ok)}
.js-pre .hk,.js-pre .hh .l1,.js-pre .hh .l2,.js-pre .lede,.js-pre .ctas,.js-pre .hstats{opacity:0}

/* ---------- home sections ---------- */
.hsec{padding-block:64px}
.entries{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry{position:relative;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--tone)}
.eimg{display:block;overflow:hidden;border-bottom:4px solid var(--tone)}
.eimg .cpic{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s}
.entry:hover .cpic{transform:scale(1.04)}
.ebody{display:flex;flex-direction:column;gap:6px;padding:20px 22px 22px;flex:1}
.ebody .glyph{margin-top:-46px;background:var(--surface);border-radius:12px;padding:6px;box-shadow:var(--shadow);width:54px;height:54px}
.ename{font-size:1.45rem;font-weight:800;letter-spacing:-.02em;margin-top:8px}
.eline{color:var(--muted)}
.efoot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;font-size:.88rem;font-weight:700;color:var(--tone-ink)}
.efoot .arr{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--tone-soft);margin-inline-start:auto;transition:transform .25s}
.entry:hover .efoot .arr{transform:translateX(-4px)}

.process{background:var(--surface);border-block:1px solid var(--line);background-image:radial-gradient(var(--dotc) 1.2px,transparent 1.3px);background-size:22px 22px}
.ptl{position:relative;margin-top:16px}
.pline{position:absolute;top:21px;inset-inline:12.5%;height:3px;background:var(--line-2);border-radius:3px;overflow:hidden}
.pline i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--berry),var(--saffron),var(--teal),var(--cobalt));transform-origin:right center}
.ptimeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.pstep{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:0 6px}
.sdot{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--surface);border:2px solid var(--tone, var(--cobalt));box-shadow:var(--shadow);margin-bottom:8px;transform:rotate(45deg)}
.sdot i{width:14px;height:14px;border-radius:3px;background:currentColor}
.pstep:nth-child(1) .sdot{border-color:var(--cobalt);color:var(--cobalt)}
.pstep:nth-child(2) .sdot{border-color:var(--teal);color:var(--teal)}
.pstep:nth-child(3) .sdot{border-color:var(--saffron);color:var(--saffron)}
.pstep:nth-child(4) .sdot{border-color:var(--berry);color:var(--berry)}
.slabel{font-size:1.25rem;font-weight:800}
.stitle{font-weight:700;font-size:.95rem;color:var(--ink)}
.stext{font-size:.92rem;color:var(--muted);line-height:1.6}
.slink{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;color:var(--cobalt-ink);text-decoration:none;margin-top:4px}
.slink:hover{text-decoration:underline}
.slink.soon{color:var(--muted);font-weight:600}

.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:20px}
.ft{position:relative;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.ft:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.ft.f0{grid-column:span 2;grid-row:span 2}
.fimg{display:block;overflow:hidden}
.fimg .cpic{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s}
.ft.f0 .fimg .cpic{aspect-ratio:16/10}
.ft:hover .cpic{transform:scale(1.04)}
.fbody{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1}
.fbody h3{font-size:1.05rem;margin:0}
.ft.f0 .fbody h3{font-size:1.55rem}
.fbody p{color:var(--muted);margin:0;font-size:.98rem}

.teaser{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;background:var(--ink);color:#eef1fa;border-radius:var(--r-lg);padding:44px;position:relative;overflow:hidden}
.teaser::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}
.teaser > *{position:relative}
.teaser h2{font-size:clamp(1.7rem,3.4vw,2.4rem);color:#fff}
.teaser p{color:#c9d0e6}
.teaser .kicker{color:#ffd57a}
.teaser .kicker .ico{color:#ffd57a}
.teaser .btn.solid{background:#ffcb57;color:#121a33;box-shadow:none}
.teaser .btn.solid:hover{background:#ffd98a}
:root[data-theme=dark] .teaser{background:#1c2440;border:1px solid var(--line-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .teaser{background:#1c2440;border:1px solid var(--line-2)}}
.ttypes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ttypes li{display:flex;flex-direction:column;align-items:flex-start;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:18px;font-weight:700;color:#fff}
.ttypes .glyph .g3{fill:#121a33}
.ttypes .tt-series{--tone:#8fa6ff;--tone-ink:#c3cfff}
.ttypes .tt-analogy{--tone:#3fd0b6;--tone-ink:#a5f0e2}
.ttypes .tt-logic{--tone:#ff7fa3;--tone-ink:#ffc2d3}
.ttypes .tt-spatial{--tone:#ffcb57;--tone-ink:#ffe3a3}

.calms{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.calm{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.calm:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.clmimg{display:block;overflow:hidden}
.clmimg .cpic{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .6s}
.calm:hover .cpic{transform:scale(1.04)}
.clmbody{display:flex;flex-direction:column;gap:10px;padding:22px 24px 24px;flex:1}
.clmbody h2,.clmbody h3{margin:0}
.calm blockquote{margin:0;padding:4px 16px 4px 0;border-inline-start:4px solid var(--berry);color:var(--muted);font-size:1.02rem}

/* ---------- lead ---------- */
.leadband{position:relative;padding:72px 0;background:var(--cobalt-soft);background-image:radial-gradient(rgba(36,66,184,.18) 1.3px,transparent 1.4px);background-size:22px 22px;border-top:1px solid var(--line)}
:root[data-theme=dark] .leadband{background-color:#141c38;background-image:radial-gradient(rgba(140,165,255,.16) 1.3px,transparent 1.4px)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .leadband{background-color:#141c38;background-image:radial-gradient(rgba(140,165,255,.16) 1.3px,transparent 1.4px)}}
.leadbox{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.leadbox::before{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:6px;background:linear-gradient(180deg,var(--cobalt),var(--teal),var(--saffron),var(--berry))}
.leadbox.band{margin-block:12px 56px}
.ltext h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.ltext p{color:var(--muted)}
.ltext .kicker{color:var(--cobalt-ink)}
.lpoints{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.lpoints li{display:flex;align-items:center;gap:10px;font-weight:600}
.lpoints .ico{color:var(--ok);background:var(--ok-soft);border-radius:6px;padding:3px;width:24px;height:24px}
.lead-form{position:relative}
.fgrid2{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld.wide{grid-column:1/-1}
.fld label{font-weight:700;font-size:.92rem}
.req{color:var(--bad)}
.fld input,.fld select,.fld textarea{width:100%;min-height:48px;padding:10px 14px;border:1.5px solid var(--line-2);border-radius:var(--r-sm);background:var(--bg);font-size:1rem;transition:border-color .2s,box-shadow .2s}
.fld select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:18px 21px,12px 21px;background-size:6px 6px;background-repeat:no-repeat;padding-inline-start:36px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 3px color-mix(in srgb,var(--cobalt) 25%,transparent)}
.fld input[dir=ltr]{text-align:right}
.fld [aria-invalid=true]{border-color:var(--bad);background:var(--bad-soft)}
.err{font-size:.85rem;color:var(--bad);font-weight:600;min-height:0}
.err:empty{display:none}
.hp{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);inset-inline-start:-9999px}
.consent{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:start;margin:18px 0 6px;font-size:.92rem}
.consent input{width:22px;height:22px;margin:3px 0 0;accent-color:var(--cobalt)}
.consent .err{grid-column:2}
.factions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:14px}
.fnote{font-size:.88rem;color:var(--muted)}
.lead-form.sent .fgrid2,.lead-form.sent .consent,.lead-form.sent .factions{display:none}
.fdone{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:var(--r);background:var(--ok-soft);color:var(--ink)}
.fdone[hidden]{display:none}
.okb{display:grid;place-items:center;width:58px;height:58px;border-radius:14px;background:#0b7a52;color:#fff;flex:none}
.fdone p{margin:.3em 0 0}

/* ---------- banner (category, tool, guides) ---------- */
.banner{padding:28px 0 8px}
.banner .wrap{position:relative}
.bimg{border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow)}
.bpic{width:100%;aspect-ratio:21/8;object-fit:cover}
.bcard{position:relative;margin:-90px 28px 0;max-width:720px;background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--tone);border-radius:var(--r-lg);padding:26px 30px 24px;box-shadow:var(--shadow-lg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
.bcard h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:.25em}
.brow{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 26px}
.bintro{color:var(--muted);font-size:1.08rem;margin:0;flex:1 1 300px}
.bcount{margin:0;font-weight:700;color:var(--tone-ink);display:flex;align-items:baseline;gap:6px}
.bcount b{font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:10px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs .sep{opacity:.5}
.crumbs [aria-current]{color:var(--ink);font-weight:600}

/* category: gifted path */
.path{list-style:none;margin:0;padding:0;position:relative;display:grid;gap:22px}
.path::before{content:"";position:absolute;inset-block:30px;inset-inline-start:27px;width:2px;background:repeating-linear-gradient(180deg,var(--cobalt) 0 8px,transparent 8px 14px);opacity:.5}
.pnode a{position:relative;display:grid;grid-template-columns:56px 300px 1fr;gap:22px;align-items:center;text-decoration:none;color:var(--ink)}
.pnum{position:relative;z-index:1;display:grid;place-items:center;width:56px;height:56px;border-radius:14px;background:var(--surface);border:2px solid var(--cobalt);color:var(--cobalt-ink);font-weight:800;font-size:1.1rem;font-variant-numeric:tabular-nums;box-shadow:var(--shadow);transition:background .25s,color .25s}
.pnode a:hover .pnum{background:var(--cobalt);color:#fff}
.pimg{display:block;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.pimg .cpic{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
.pnode a:hover .cpic{transform:scale(1.05)}
.pbody{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;align-self:stretch;justify-content:center;transition:border-color .25s}
.pnode a:hover .pbody{border-color:var(--cobalt)}
.pbody h2,.pbody p{margin:0}
.pbody p{color:var(--muted);font-size:.98rem}

/* category: admissions rows */
.arows{display:grid;gap:28px}
.arow{display:grid;grid-template-columns:1.15fr 1fr;align-items:stretch;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.arow:nth-child(even){grid-template-columns:1fr 1.15fr}
.arow:nth-child(even) .rimg{order:2}
.arow:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rimg{display:block;overflow:hidden;min-height:260px}
.rimg .cpic{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.arow:hover .cpic{transform:scale(1.04)}
.rbody{display:flex;flex-direction:column;gap:10px;padding:30px 32px;border-inline-start:5px solid var(--teal)}
.arow:nth-child(even) .rbody{border-inline-start:0;border-inline-end:5px solid var(--teal)}
.rkick{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;color:var(--teal-ink)}
.rbody h2{font-size:1.5rem;margin:0}
.rbody p{color:var(--muted);margin:0}

/* category: thinking puzzle tiles */
.ptiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ptile{position:relative;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.ptile:hover{transform:translateY(-4px) rotate(-.4deg);box-shadow:var(--shadow-lg)}
.ptimg{display:block;overflow:hidden}
.ptimg .cpic{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
.ptile:hover .cpic{transform:scale(1.05)}
.ptglyph{position:absolute;top:14px;inset-inline-start:14px;background:var(--surface);border-radius:12px;padding:7px;box-shadow:var(--shadow);display:flex}
.ptglyph .glyph .g3{fill:var(--surface)}
.ptile:nth-child(2) .ptglyph{--tone:var(--berry);--tone-ink:var(--berry-ink)}
.ptile:nth-child(3) .ptglyph{--tone:var(--cobalt);--tone-ink:var(--cobalt-ink)}
.ptile:nth-child(4) .ptglyph{--tone:var(--teal);--tone-ink:var(--teal-ink)}
.ptile:nth-child(5) .ptglyph{--tone:var(--saffron);--tone-ink:var(--saffron-ink)}
.ptbody{display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px;flex:1}
.ptbody h2,.ptbody p{margin:0}
.ptbody p{color:var(--muted);font-size:.98rem}
.ptool{grid-column:span 2;flex-direction:row;background:var(--ink);color:#eef1fa;border-color:transparent}
.ptool .ptimg{flex:0 0 52%}
.ptool .ptimg .cpic{height:100%;aspect-ratio:auto}
.ptool .ptbody{justify-content:center;padding:28px}
.ptool h2{color:#fff;font-size:1.7rem}
.ptool p{color:#c9d0e6}
.ptool .cmore{color:#ffd57a;font-weight:700}
.ptool .cmore .arr{color:#ffd57a}
.badge{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;background:#ffcb57;color:#121a33;padding:4px 10px;border-radius:6px}
:root[data-theme=dark] .ptool{background:#1c2440;border-color:var(--line-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .ptool{background:#1c2440;border-color:var(--line-2)}}

.othercats{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-block:6px 56px}
.othercats span{font-weight:700;color:var(--muted);margin-inline-end:6px}
.othercats a{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-sm);background:var(--surface);border:1.5px solid var(--line);text-decoration:none;font-weight:600}
.othercats a:hover{border-color:var(--tone);background:var(--tone-soft)}

/* ---------- cards ---------- */
.cards{display:grid;gap:22px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cimg{display:block;overflow:hidden}
.cimg .cpic{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s}
.card:hover .cpic{transform:scale(1.04)}
.cbody{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1}
.cbody .chip{align-self:flex-start}
.cbody h3{font-size:1.1rem;margin:0}
.cbody p{color:var(--muted);font-size:.95rem;margin:0}
.gblock{margin-bottom:48px}
.gblock .shead h2 a{text-decoration:none}
.gblock .shead h2 a:hover{text-decoration:underline}

/* ---------- article ---------- */
.progress{position:fixed;top:0;inset-inline:0;height:4px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;background:linear-gradient(270deg,var(--tone),var(--cobalt));transform:scaleX(0);transform-origin:right center}
.ahead{padding-top:30px;max-width:980px}
.ahead h1{font-size:clamp(2rem,4.4vw,3.1rem);letter-spacing:-.025em;margin:14px 0 12px}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--muted);font-size:.92rem;margin:0}
.meta span{display:inline-flex;align-items:center;gap:6px}
.meta span + span::before{content:"";width:5px;height:5px;background:var(--tone);border-radius:1px;transform:rotate(45deg);margin-inline-end:10px}
.afig{position:relative;margin-block:26px 10px}
.aframe{display:block;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;z-index:1}
.apic{width:100%;aspect-ratio:16/7.5;object-fit:cover}
.adots{position:absolute;inset-inline-end:-2px;bottom:-22px;width:160px;height:110px;background-image:radial-gradient(var(--tone) 2px,transparent 2.3px);background-size:16px 16px;opacity:.45}
.agrid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:48px;padding-block:30px 40px}
.aside{position:relative}
.toc{position:sticky;top:94px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 16px;box-shadow:var(--shadow);max-height:calc(100vh - 120px);overflow:auto}
.toch{display:flex;align-items:center;gap:8px;font-weight:800;margin:0 0 10px;font-size:.95rem}
.toch .ico{color:var(--tone)}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.toc li a{display:flex;gap:10px;align-items:flex-start;padding:7px 8px;border-radius:var(--r-sm);text-decoration:none;font-size:.9rem;line-height:1.45;color:var(--muted);transition:background .2s,color .2s}
.toc li a:hover{background:var(--surface-2);color:var(--ink)}
.toc li a.on{background:var(--tone-soft);color:var(--ink);font-weight:700}
.tn{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:6px;border:1.5px solid var(--line-2);font-size:.75rem;font-weight:800;font-variant-numeric:tabular-nums}
.toc li a.on .tn{background:var(--tone-ink);border-color:var(--tone-ink);color:var(--surface)}
.toccta{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;padding:11px;border-radius:var(--r-sm);background:var(--cta);color:var(--cta-ink);text-decoration:none;font-weight:700;font-size:.92rem}
.toccta:hover{background:var(--cta-hover)}
.amain{min-width:0;max-width:760px}
.summary{position:relative;background:var(--tone-soft);border-radius:var(--r);padding:22px 24px 20px;margin-bottom:24px;border-inline-start:5px solid var(--tone);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:20px 20px}
.sumh{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--tone-ink);margin:0 0 6px}
.summary p:last-child{margin:0;font-size:1.08rem;font-weight:500}
.practice{display:flex;align-items:center;gap:14px;padding:14px 18px;margin:-6px 0 26px;border:1.5px dashed var(--saffron);border-radius:var(--r);text-decoration:none;color:var(--ink);background:var(--surface)}
.practice:hover{background:var(--saffron-soft)}
.practice .arr{margin-inline-start:auto;color:var(--saffron-ink);display:inline-flex}
.practice .glyph{--tone:var(--saffron);--tone-ink:var(--saffron-ink)}

.prose{font-size:1.06rem}
.prose > *:first-child{margin-top:0}
.prose h2{font-size:clamp(1.45rem,2.6vw,1.85rem);margin:1.9em 0 .6em;padding-top:.2em;position:relative}
.prose h2::before{content:"";display:block;width:34px;height:5px;border-radius:3px;background:var(--tone);margin-bottom:12px}
.prose h3{font-size:1.2rem;margin:1.5em 0 .5em}
.prose a{color:var(--cobalt-ink);text-decoration-thickness:1.5px;text-underline-offset:3px}
.prose a:hover{text-decoration-thickness:2.5px}
.prose ul,.prose ol{padding-inline-start:1.4em;margin:0 0 1.2em}
.prose li{margin-bottom:.4em}
.prose ul:not(.checklist) li::marker{color:var(--tone)}
.prose strong{font-weight:700}
.prose blockquote{margin:1.4em 0;padding:4px 18px;border-inline-start:4px solid var(--tone);color:var(--muted)}
.tablewrap{overflow-x:auto;margin:1.5em 0;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow)}
.prose table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px}
.prose th,.prose td{padding:12px 14px;text-align:start;vertical-align:top;border-bottom:1px solid var(--line)}
.prose thead th{background:var(--surface-2);font-weight:800;color:var(--ink);border-bottom:2px solid var(--tone)}
.prose tbody tr:nth-child(even){background:color-mix(in srgb,var(--surface-2) 45%,transparent)}
.prose tbody tr:last-child td{border-bottom:0}
.prose .example,.prose .insight{position:relative;margin:1.8em 0;padding:22px 24px 18px;border-radius:var(--r)}
.prose .example{background:var(--surface);border:1.5px solid var(--line-2);box-shadow:var(--shadow);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:22px 22px}
.prose .example::before{content:"";position:absolute;top:-1.5px;inset-inline-start:22px;width:52px;height:5px;border-radius:0 0 4px 4px;background:var(--cobalt)}
.prose .example > strong:first-child{color:var(--cobalt-ink)}
.prose .insight{background:var(--saffron-soft);border-inline-start:5px solid var(--saffron)}
.prose .insight > strong:first-child{color:var(--saffron-ink)}
.prose .example p:last-child,.prose .insight p:last-child{margin-bottom:0}
.prose .checklist{list-style:none;padding:20px 22px;margin:1.6em 0;background:var(--teal-soft);border-radius:var(--r);display:grid;gap:10px}
.prose .checklist li{position:relative;padding-inline-start:36px;margin:0}
.prose .checklist li::before{content:"";position:absolute;inset-inline-start:0;top:3px;width:22px;height:22px;border-radius:6px;background:var(--teal)}
.prose .checklist li::after{content:"";position:absolute;inset-inline-start:7px;top:7px;width:6px;height:11px;border:solid var(--surface);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.prose details{margin:1.2em 0;border:1.5px solid var(--line-2);border-radius:var(--r);background:var(--surface);overflow:hidden}
.prose details > summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:12px 16px;font-weight:700;color:var(--cobalt-ink);background:var(--cobalt-soft)}
.prose details > summary::-webkit-details-marker{display:none}
.prose details > summary::before{content:"";width:9px;height:9px;border:solid currentColor;border-width:0 2.5px 2.5px 0;transform:rotate(45deg);transition:transform .2s;margin-top:-4px}
.prose details[open] > summary::before{transform:rotate(-135deg);margin-top:4px}
.prose details > *:not(summary){padding-inline:18px}
.prose details > *:not(summary):first-of-type{padding-top:12px}
.prose details > *:last-child{padding-bottom:14px;margin-bottom:0}
.solnote{display:flex;align-items:center;gap:8px;font-size:.95rem;color:var(--muted)}
.solnote .ico{color:var(--saffron-ink)}
.sols{display:grid;gap:10px;margin:0 0 1.4em}
.prose .sols details{margin:0}
.prose .sols summary{color:var(--ink);background:var(--surface);font-weight:700}
.prose .sols details[open] summary{background:var(--teal-soft);color:var(--teal-ink)}
.prose .sols summary::before{order:3;margin-inline-start:auto}
.sn{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--saffron-soft);color:var(--saffron-ink);font-weight:800;font-size:.85rem;font-variant-numeric:tabular-nums;flex:none}
.prose .sols .solb p{margin:0}

.faq{margin-top:46px}
.faq h2{font-size:1.7rem}
.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:10px;transition:border-color .2s}
.faq details[open]{border-color:var(--tone)}
.faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.pm{position:relative;flex:none;width:26px;height:26px;border-radius:7px;background:var(--tone-soft)}
.pm::before,.pm::after{content:"";position:absolute;inset:0;margin:auto;width:12px;height:2px;background:var(--tone-ink);transition:transform .25s}
.pm::after{transform:rotate(90deg)}
details[open] .pm::after{transform:rotate(0)}
.fa{padding:0 18px 14px;color:var(--muted)}
.fa p{margin:0}
.sources{margin-top:40px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.sources h2{font-size:1.2rem}
.sources ol{margin:0;padding-inline-start:1.3em;font-size:.93rem;display:grid;gap:6px}
.sources a{color:var(--cobalt-ink);word-break:break-word}
.note-disc{margin-top:24px;font-size:.88rem;color:var(--muted);padding:14px 16px;border-radius:var(--r-sm);background:var(--surface-2)}
.alead{margin-top:44px}
.alead .leadbox{grid-template-columns:1fr;padding:30px}
.related{padding:56px 0 70px;background:var(--surface);border-top:1px solid var(--line)}

/* ---------- static pages ---------- */
.pagehead{padding:44px 0 34px;border-bottom:1px solid var(--line);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px}
.pagehead h1{font-size:clamp(2rem,4vw,2.8rem)}
.pdesc{color:var(--muted);font-size:1.1rem;margin:0}
.static{padding-block:40px 70px;max-width:820px}
.static .lead-form{margin-top:16px;padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow)}
.accpage .acc-hero{background:var(--ink);background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px}
.accpage .acc-wrap h2{color:var(--ink)}
.accpage .acc-callout{background:var(--cobalt-soft);border-inline-start-color:var(--cobalt);color:var(--ink)}
.accpage .acc-callout strong,.accpage .acc-features li b{color:var(--ink)}
.accpage .acc-contact{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}
.accpage .acc-contact h2{color:var(--ink);border-bottom-color:var(--line)}
.accpage .acc-contact a{color:var(--cobalt-ink)}
:root[data-theme=dark] .accpage .acc-hero{background-color:#151c31}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .accpage .acc-hero{background-color:#151c31}}

/* ---------- practice tool ---------- */
.qorig{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--r);background:var(--saffron-soft);border-inline-start:5px solid var(--saffron);margin-bottom:28px}
.qorig .ico{color:var(--saffron-ink);margin-top:3px}
.qorig p{margin:0}
.quiz{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:28px;max-width:880px;margin-inline:auto}
.qhead{display:grid;gap:12px;margin-bottom:20px}
.qh{display:flex;align-items:center;gap:10px;font-size:1.35rem;margin:0}
.qh .ico{color:var(--saffron-ink)}
.qbar{height:10px;border-radius:6px;background:var(--surface-2);overflow:hidden;display:none}
.qbar span{display:block;height:100%;width:100%;background:linear-gradient(270deg,var(--cobalt),var(--teal));transform:scaleX(0);transform-origin:right center;border-radius:6px}
.qmeta{display:none;align-items:center;flex-wrap:wrap;gap:8px 18px;font-size:.92rem;color:var(--muted)}
.quiz-on .qbar{display:block}
.quiz-on .qmeta{display:flex}
.qcount{font-weight:700;color:var(--ink);margin-inline-end:auto}
.qtimer-t{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:600}
.qtimer-t input{width:20px;height:20px;accent-color:var(--cobalt)}
.qclock{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;background:var(--surface-2);font-variant-numeric:tabular-nums}
.qclock[hidden]{display:none}
.qlist{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.q fieldset{border:1px solid var(--line);border-radius:var(--r);padding:20px 20px 16px;margin:0;min-width:0}
.quiz-on .q fieldset{border:0;padding:0}
.quiz-on .q:not(.cur){display:none}
.q legend{display:contents}
.qtype{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:700;padding:4px 10px;border-radius:6px;background:var(--tone-soft);color:var(--tone-ink);margin-inline-end:10px}
.qn{font-size:.85rem;color:var(--muted);font-weight:600}
.quiz-on .qn{display:none}
.qtext{display:block;font-size:1.3rem;font-weight:800;line-height:1.4;margin:12px 0 16px}
.qseq{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.qseq li{display:grid;place-items:center;min-width:56px;height:56px;padding-inline:10px;border-radius:12px;border:2px solid var(--line-2);background:var(--bg);font-size:1.35rem;font-weight:800;font-variant-numeric:tabular-nums}
.qseq li.gap{border-style:dashed;border-color:var(--cobalt);color:var(--cobalt-ink);background:var(--cobalt-soft)}
.qvis{margin:0 0 18px}
.vseq{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.vframe{display:grid;place-items:center;width:84px;height:84px;border-radius:12px;background:var(--bg);border:1.5px solid var(--line)}
.vframe.vq{font-size:2rem;font-weight:800;color:var(--cobalt-ink);border:2px dashed var(--cobalt);background:var(--cobalt-soft)}
.vchev{color:var(--muted);display:inline-flex}
.vone{display:inline-grid;place-items:center;padding:10px;border-radius:12px;background:var(--bg);border:1.5px solid var(--line)}
.vsvg{width:70px;height:70px;display:block}
.vsvg.big{width:auto;height:120px}
.v-box{fill:none;stroke:var(--ink);stroke-width:3}
.v-line{stroke:var(--ink);stroke-width:3}
.v-dot{fill:var(--berry)}
.v-bar{fill:var(--cobalt)}
.v-sq{fill:var(--saffron)}
.v-mirror{stroke:var(--teal);stroke-width:3;stroke-dasharray:6 6}
.iso-t{fill:var(--cobalt-soft);stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round}
.iso-r{fill:color-mix(in srgb,var(--cobalt) 55%,var(--surface));stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round}
.iso-f{fill:color-mix(in srgb,var(--cobalt) 32%,var(--surface));stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round}
.iso-cube .iso-t{fill:var(--berry-soft)}
.iso-cube .iso-r{fill:color-mix(in srgb,var(--berry) 70%,var(--surface))}
.iso-cube .iso-f{fill:color-mix(in srgb,var(--berry) 45%,var(--surface))}
.iso-l{stroke:var(--ink);stroke-width:1;opacity:.55;fill:none}
.v-paper{fill:var(--surface);stroke:var(--ink);stroke-width:2.5}
.v-fold{stroke:var(--teal);stroke-width:2.5;stroke-dasharray:5 5}
.v-hole{fill:var(--ink)}
.v-ring{fill:var(--surface);stroke:var(--line-2);stroke-width:3}
.v-needle{fill:var(--berry)}
.v-needle2{fill:var(--muted);opacity:.5}
.v-txt{font:700 15px "Open Sans",sans-serif;fill:var(--ink)}
.qopts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.qopt{position:relative;display:flex;align-items:center;gap:12px;padding:12px 14px;min-height:60px;border:2px solid var(--line);border-radius:var(--r);background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s,transform .2s;font-weight:600}
.qopt:hover{border-color:var(--cobalt)}
.qopt input{position:absolute;opacity:0;width:1px;height:1px}
.qopt:has(input:focus-visible){outline:3px solid var(--cobalt);outline-offset:3px}
.qopt:has(input:checked){border-color:var(--cobalt);background:var(--cobalt-soft)}
.ol{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--surface-2);font-weight:800;color:var(--muted)}
.ot{font-size:1.08rem}
.ot-svg .vsvg{width:64px;height:64px}
.qmark{margin-inline-start:auto;width:28px;height:28px;flex:none;border-radius:50%;display:none}
.qopt.right{border-color:var(--ok);background:var(--ok-soft)}
.qopt.right .ol{background:#0b7a52;color:#fff}
.qopt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.qopt.wrong .ol{background:#b4233c;color:#fff}
.qopt.right .qmark,.qopt.wrong .qmark{display:block;background-repeat:no-repeat;background-position:center;background-size:16px}
.qopt.right .qmark{background-color:#0b7a52;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E")}
.qopt.wrong .qmark{background-color:#b4233c;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E")}
.q.done .qopt{cursor:default}
.q.done .qopt:not(.right):not(.wrong){opacity:.6}
.qfb:empty{display:none}
.qfb{margin-top:16px;padding:16px 18px;border-radius:var(--r);border-inline-start:5px solid var(--ok);background:var(--ok-soft)}
.qfb.no{border-inline-start-color:var(--bad);background:var(--bad-soft)}
.qfb strong{display:block;margin-bottom:4px}
.qfb p{margin:0}
.qfb a{color:var(--cobalt-ink);font-weight:600}
.qsol{margin-top:14px}
.qsol summary{cursor:pointer;font-weight:700;color:var(--cobalt-ink)}
.qsol p{margin:.6em 0 0}
.qsol a{color:var(--cobalt-ink)}
.quiz-on .qsol{display:none}
.qnav{display:flex;justify-content:flex-start;margin-top:20px}
.qnav[hidden]{display:none}
.qsum{padding:6px 0 0}
.qsum[hidden]{display:none}
.qsumtop{display:flex;gap:16px;align-items:center;margin-bottom:16px}
.qsumtop h2{margin:0;font-size:1.6rem}
.qsumg .glyph{--tone:var(--berry);--tone-ink:var(--berry-ink)}
.qscore{font-size:1.15rem;font-weight:700;margin:.2em 0 0}
.qtime{color:var(--muted);margin:0}
.qtypes{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.qtypes li{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--r-sm);background:var(--surface-2)}
.qtypes li[data-type=series]{--tone:var(--cobalt);--tone-ink:var(--cobalt-ink)}
.qtypes li[data-type=analogy]{--tone:var(--teal);--tone-ink:var(--teal-ink)}
.qtypes li[data-type=logic]{--tone:var(--berry);--tone-ink:var(--berry-ink)}
.qtypes li[data-type=spatial]{--tone:var(--saffron);--tone-ink:var(--saffron-ink)}
.qtypes .qtn{font-weight:700}
.qtypes .tv{color:var(--muted);font-variant-numeric:tabular-nums}
.qtypes a{margin-inline-start:auto;font-size:.88rem;font-weight:700;color:var(--cobalt-ink)}
.qnote{font-size:.95rem;color:var(--muted);padding:14px 16px;border-radius:var(--r-sm);border:1.5px dashed var(--line-2)}
.qsumact{display:flex;flex-wrap:wrap;gap:12px}
.qrules{max-width:880px;margin:44px auto 36px}

/* ---------- footer ---------- */
.foot{margin-top:0;background:var(--surface);border-top:1px solid var(--line);padding-bottom:28px}
.shape-rule{display:flex;justify-content:center;gap:14px;transform:translateY(-50%)}
.shape-rule i{display:block;width:18px;height:18px;background:var(--surface);border:3px solid}
.shape-rule .s1{border-radius:50%;border-color:var(--cobalt)}
.shape-rule .s2{border-color:var(--teal);border-radius:3px}
.shape-rule .s3{border-color:var(--saffron);transform:rotate(45deg);border-radius:3px}
.shape-rule .s4{border-color:var(--berry);border-radius:18px 3px 3px 3px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-block:24px 30px}
.fabout p{color:var(--muted);margin:14px 0 18px;max-width:420px}
.foot h2{font-size:1rem;margin-bottom:12px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot ul a{text-decoration:none;color:var(--muted)}
.foot ul a:hover{color:var(--ink);text-decoration:underline}
.disc{font-size:.86rem;color:var(--muted);padding-block:18px;border-top:1px solid var(--line)}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.85rem;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hgrid{grid-template-columns:1fr;gap:30px}
  .hvis{max-width:680px}
  .entries{grid-template-columns:1fr 1fr}
  .entries .entry:last-child{grid-column:span 2}
  .entries .entry:last-child .eimg .cpic{aspect-ratio:21/8}
  .bento{grid-template-columns:1fr 1fr}
  .ft.f0{grid-column:span 2;grid-row:auto}
  .teaser{grid-template-columns:1fr;padding:32px}
  .leadbox{grid-template-columns:1fr;padding:28px}
  .agrid{grid-template-columns:1fr;gap:10px}
  .toc{position:static;max-height:none}
  .amain{max-width:none}
  .cards.three{grid-template-columns:1fr 1fr}
  .pnode a{grid-template-columns:56px 220px 1fr}
  .ptiles{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .fabout{grid-column:1/-1}
  .hmatrix{inset-inline-end:-10px}
}
@media (max-width:760px){
  .ptimeline{grid-template-columns:1fr;gap:18px}
  .pline{top:20px;bottom:20px;inset-inline:auto;inset-inline-start:22px;width:3px;height:auto}
  .pline i{transform-origin:center top}
  .pstep{display:grid;grid-template-columns:46px 1fr;column-gap:16px;text-align:start;align-items:start;padding:0}
  .pstep > *:not(.sdot){grid-column:2}
  .sdot{grid-row:1 / span 4;margin:0}
  .arow,.arow:nth-child(even){grid-template-columns:1fr}
  .arow:nth-child(even) .rimg{order:0}
  .rimg{min-height:0}
  .rimg .cpic{aspect-ratio:16/9;height:auto}
  .rbody,.arow:nth-child(even) .rbody{border:0;border-top:5px solid var(--teal);padding:22px}
  .pnode a{grid-template-columns:46px 1fr;gap:14px}
  .pnum{width:46px;height:46px;font-size:.95rem;align-self:start}
  .path::before{inset-inline-start:22px}
  .pimg{grid-column:2}
  .pbody{grid-column:2;padding:16px}
  .calms{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:17px}
  .wrap{padding-inline:16px}
  .hero{padding:26px 0 60px}
  .hvis{padding:30px 0 34px}
  .hmatrix{width:128px;padding:8px 8px 4px;inset-inline-end:8px;bottom:-14px;border-radius:14px}
  .mcap{font-size:.68rem}
  .hseries{inset-inline-start:8px;padding:6px 8px;gap:6px}
  .scap{display:none}
  .tiles{gap:4px}
  .tiles i{min-width:26px;height:26px;font-size:.8rem;padding-inline:4px}
  .tiles .qm{min-width:30px}
  .hstats{gap:10px 22px}
  .hstats b{font-size:1.5rem}
  .ctas .btn{flex:1 1 100%;justify-content:center}
  .hsec{padding-block:48px}
  .entries{grid-template-columns:1fr}
  .entries .entry:last-child{grid-column:auto}
  .entries .entry:last-child .eimg .cpic{aspect-ratio:16/9}
  .bento{grid-template-columns:1fr}
  .ft.f0{grid-column:auto}
  .ft.f0 .fbody h3{font-size:1.25rem}
  .teaser{padding:24px 20px}
  .ttypes{grid-template-columns:1fr 1fr;gap:10px}
  .ttypes li{padding:12px;font-size:.9rem}
  .leadbox{padding:22px 18px}
  .leadbox::before{width:100%;height:5px;inset-block:0 auto}
  .fgrid2{grid-template-columns:1fr}
  .factions .btn{width:100%;justify-content:center}
  .bpic{aspect-ratio:16/10}
  .bcard{margin:-40px 10px 0;padding:20px 18px}
  .cards.three{grid-template-columns:1fr}
  .ptiles{grid-template-columns:1fr}
  .ptool{grid-column:auto;flex-direction:column}
  .ptool .ptimg .cpic{aspect-ratio:16/10;height:auto}
  .ptool .ptbody{padding:20px}
  .apic{aspect-ratio:16/10}
  .afig{padding-inline:0}
  .afig .aframe{border-radius:0}
  .adots{display:none}
  .quiz{padding:18px 14px;border-radius:var(--r)}
  .qopts{grid-template-columns:1fr}
  .qtext{font-size:1.15rem}
  .qseq li{min-width:44px;height:48px;font-size:1.15rem}
  .vframe{width:62px;height:62px}
  .vframe .vsvg{width:52px;height:52px}
  .qtypes{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .shead.row .more{margin-inline-start:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{
  .top,.foot,.progress,.aside,.alead,.related,.leadband,.hmatrix,.hseries{display:none!important}
}