/* MGT — "mental landscape": topographic contour lines over Bahamian sea and sand.
   Layout idea: deep-sea bands carry living contour maps; light pages read like a well-kept field notebook. */
:root {
  --bg: #F2F5F3;
  --surface: #FFFFFF;
  --soft: #E6EDEA;
  --text: #102A2E;
  --muted: #536B6D;
  --line: #CFDCD8;
  --band: #0A2A2F;
  --band-2: #0F3A40;
  --on-band: #EAF4F2;
  --on-band-muted: #A7C3C0;
  --aqua: #12B5B0;
  --accent: #0A8F8B;
  --gold: #F2B705;
  --ok: #1E8A4F;
  --bad: #C2352B;
  --c-youth: #E0A400;
  --c-wellness: #E2583E;
  --c-money: #2E9D5B;
  --c-creative: #12A5A0;
  --c-lang: #7A5AE0;
  --font-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --r: 14px;
  --r-lg: 22px;
  --shadow: 0 1px 2px rgba(10, 42, 47, .06), 0 8px 24px -12px rgba(10, 42, 47, .18);
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07191C; --surface: #0D2428; --soft: #112E33; --text: #E4F0EE; --muted: #93AFAD; --line: #1E3F44;
    --band: #041215; --band-2: #0A2529; --accent: #2CCBC5; --ok: #45C07B; --bad: #F06A5E;
    --c-youth: #F2BE2E; --c-wellness: #F27A62; --c-money: #4CC17C; --c-creative: #2CCBC5; --c-lang: #A08BF5;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #07191C; --surface: #0D2428; --soft: #112E33; --text: #E4F0EE; --muted: #93AFAD; --line: #1E3F44;
  --band: #041215; --band-2: #0A2529; --accent: #2CCBC5; --ok: #45C07B; --bad: #F06A5E;
  --c-youth: #F2BE2E; --c-wellness: #F27A62; --c-money: #4CC17C; --c-creative: #2CCBC5; --c-lang: #A08BF5;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px -14px rgba(0,0,0,.6);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--font-body); -webkit-font-smoothing: antialiased; }
img, svg, canvas { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 750; font-variation-settings: "opsz" 96; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 6px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .9em; }
.muted { color: var(--muted); }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
.sec { padding-block: clamp(48px, 8vw, 96px); }
.sec-tight { padding-block: 36px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.row.center { justify-content: center; }
.eyebrow { font: 700 .78rem/1.2 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: .9em; }
.band .eyebrow { color: var(--gold); }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 62ch; }
.on-dark-p { color: var(--on-band-muted); }
.prose { max-width: 66ch; }
.prose p, .prose li { color: var(--text); }
.link-arrow { font-weight: 700; color: var(--accent); text-decoration: none; display: inline-flex; gap: .4em; align-items: center; }
.link-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* buttons */
.btn { --b: var(--accent); appearance: none; border: 2px solid var(--b); background: var(--b); color: #fff; font: 700 1rem/1 var(--font-body); padding: .8em 1.25em; border-radius: 999px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: .5em; transition: transform .2s var(--ease), background .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px -10px var(--b); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:disabled { opacity: .65; cursor: default; transform: none; box-shadow: none; }
.btn.ghost { background: transparent; color: var(--b); }
.btn.on-dark { --b: var(--on-band); }
.btn.big { font-size: 1.06rem; padding: .95em 1.45em; }
.btn.sm { font-size: .9rem; padding: .6em 1em; }
.btn.danger { --b: var(--bad); }
.band .btn:not(.ghost) { --b: var(--gold); color: #1a1400; }
[data-theme="dark"] .btn:not(.ghost), :root:not([data-theme="light"]) .btn:not(.ghost) { color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn:not(.ghost) { color: #04201f; } }
:root[data-theme="dark"] .btn:not(.ghost) { color: #04201f; }
.band .btn:not(.ghost) { color: #1a1400 !important; }

/* header */
#site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-bottom: 1px solid var(--line); }
body[data-area="member"] #site-header { background: color-mix(in srgb, var(--band) 92%, transparent); border-color: rgba(255,255,255,.08); color: var(--on-band); }
.bar { width: min(1240px, 100% - 32px); margin-inline: auto; display: flex; align-items: center; gap: 20px; min-height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-display); }
.logo-mark { width: 34px; height: 34px; fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
body[data-area="member"] .logo-mark, .foot .logo-mark { stroke: var(--aqua); }
.logo-word { font-weight: 800; font-size: 1.45rem; letter-spacing: -0.03em; }
.logo-tag { font: 700 .66rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; background: var(--gold); color: #1a1400; padding: .35em .6em; border-radius: 999px; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > a:not(.btn), .mega summary { text-decoration: none; padding: .55em .8em; border-radius: 999px; font-weight: 700; font-size: .95rem; color: inherit; opacity: .82; transition: opacity .2s, background .2s; cursor: pointer; }
.nav > a:not(.btn):hover, .mega summary:hover { opacity: 1; background: color-mix(in srgb, currentColor 8%, transparent); }
.nav > a[aria-current="page"] { opacity: 1; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
body[data-area="member"] .nav > a[aria-current="page"] { color: var(--gold); background: rgba(242,183,5,.12); }
.nav .quiet { font-weight: 400 !important; }
.nav-sep { width: 1px; height: 22px; background: currentColor; opacity: .18; margin: 0 8px; }
body[data-area="member"] .nav .btn.ghost { --b: var(--on-band); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; color: inherit; position: relative; }
.nav-toggle span:not(.sr) { position: absolute; left: 11px; right: 11px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 17px; } .nav-toggle span:nth-child(2) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
.mega { position: relative; }
.mega summary { list-style: none; } .mega summary::-webkit-details-marker { display: none; }
.mega summary::after { content: ""; display: inline-block; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-left: 8px; vertical-align: 3px; }
.mega-panel { position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%); width: min(880px, 92vw); background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); padding: 24px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; animation: drop .25s var(--ease); }
.mm-h { font: 700 .72rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.mm-col a { display: block; text-decoration: none; padding: 5px 0; font-weight: 700; font-size: .93rem; }
.mm-col a:hover { color: var(--accent); }
@keyframes drop { from { opacity: 0; transform: translate(-50%, -6px); } }

@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; background: var(--surface); color: var(--text); padding: 12px 20px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: calc(100vh - 68px); overflow: auto; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .25s var(--ease); }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav > a:not(.btn), .mega summary { padding: .85em .6em; border-radius: 10px; }
  .nav-sep { width: auto; height: 1px; margin: 8px 0; }
  .nav .btn { justify-content: center; margin-top: 6px; }
  body[data-area="member"] .nav .btn.ghost { --b: var(--accent); }
  .mega-panel { position: static; transform: none; width: auto; grid-template-columns: 1fr 1fr; box-shadow: none; padding: 12px 6px; border: 0; animation: none; }
}

/* entry animation */
#view.enter > * { animation: viewIn .5s var(--ease) both; }
#view.enter > *:nth-child(2) { animation-delay: .05s; } #view.enter > *:nth-child(3) { animation-delay: .1s; }
@keyframes viewIn { from { opacity: .001; transform: translateY(12px); } }

/* bands */
.band { background: var(--band); color: var(--on-band); position: relative; overflow: hidden; isolation: isolate; }
.band h1, .band h2 { color: #fff; }
.band-soft { background: var(--soft); }

/* hero */
.hero { padding: clamp(64px, 11vw, 140px) 0 clamp(56px, 8vw, 96px); }
#hero-topo { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(80% 90% at 15% 60%, var(--band) 30%, transparent 75%); pointer-events: none; }
.hero-in { position: relative; }
.hero-h { font-size: clamp(3rem, 9.5vw, 7.4rem); font-weight: 800; letter-spacing: -0.035em; line-height: .94; margin-bottom: .35em; font-variation-settings: "opsz" 96, "wdth" 92; max-width: 11ch; }
.hero-h span { display: inline-block; }
.hero-h .hl { color: var(--gold); font-style: italic; font-weight: 600; }
.hero-p { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 52ch; color: var(--on-band-muted); }
.hero-hint { position: absolute; right: 24px; bottom: 16px; margin: 0; font-size: .8rem; color: var(--on-band-muted); opacity: .7; }
.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 52px); margin: 44px 0 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.hero-stats div { display: flex; flex-direction: column-reverse; }
.hero-stats dt { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-band-muted); }
.hero-stats dd { margin: 0; font: 800 clamp(2rem, 4vw, 2.8rem)/1 var(--font-display); color: #fff; font-variant-numeric: tabular-nums; }
.hero-stats small { font-size: .45em; color: var(--on-band-muted); font-weight: 600; }
.rise { animation: rise .9s var(--ease) both; animation-delay: calc(var(--d) * 90ms + 80ms); }
@keyframes rise { from { opacity: .001; transform: translateY(26px); filter: blur(4px); } }

/* ticker */
.ticker { overflow: hidden; background: var(--gold); color: #1a1400; border-block: 1px solid rgba(0,0,0,.08); }
.ticker-track { display: flex; gap: 48px; width: max-content; padding: 14px 0; animation: tick 70s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span { white-space: nowrap; font-size: .98rem; }
.ticker b { font-family: var(--font-display); margin-right: .4em; }
.ticker span::after { content: "◆"; margin-left: 48px; font-size: .6em; vertical-align: 2px; opacity: .5; }
@keyframes tick { to { transform: translateX(-50%); } }

/* split + sections */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 6vw, 90px); align-items: start; }
.sec-head { max-width: 760px; margin-bottom: 36px; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

.aud { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.aud-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; transition: transform .3s var(--ease), box-shadow .3s; }
.aud-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.aud-n { display: block; font: 800 3rem/1 var(--font-display); color: var(--accent); letter-spacing: -0.04em; margin-bottom: 18px; font-variant-numeric: tabular-nums; }
@media (max-width: 820px) { .aud { grid-template-columns: 1fr; } }

.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.cat-tile { text-decoration: none; background: var(--surface); border-radius: var(--r-lg); padding: 22px; border-top: 6px solid var(--cc); display: flex; flex-direction: column; transition: transform .3s var(--ease), box-shadow .3s; }
.cat-tile:hover { transform: translateY(-5px) rotate(-.4deg); box-shadow: var(--shadow); }
.cat-count { font: 800 2.6rem/1 var(--font-display); color: var(--cc); margin-bottom: 14px; }
.cat-tile p { font-size: .9rem; color: var(--muted); margin: 0; }
@media (max-width: 1000px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cat-grid { grid-template-columns: 1fr; } }

.drive-feature { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(28px, 6vw, 80px); align-items: center; }
.drive-art { position: relative; aspect-ratio: 1.2; }
.drive-art .sign { position: absolute; width: 46%; filter: drop-shadow(0 12px 18px rgba(0,0,0,.18)); transition: transform .5s var(--ease); }
.drive-art .sign:nth-child(1) { left: 4%; top: 6%; transform: rotate(-8deg); animation: bob 6s ease-in-out infinite; }
.drive-art .sign:nth-child(2) { right: 4%; top: 0; transform: rotate(6deg); animation: bob 7s ease-in-out -2s infinite; }
.drive-art .sign:nth-child(3) { left: 28%; bottom: 0; animation: bob 6.5s ease-in-out -4s infinite; }
.drive-feature:hover .sign:nth-child(3) { transform: rotate(120deg); }
@keyframes bob { 50% { translate: 0 -10px; } }
@media (max-width: 820px) { .drive-feature { grid-template-columns: 1fr; } .drive-art { max-width: 380px; } }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.steps li { counter-increment: s; border-top: 2px solid var(--text); padding-top: 18px; }
.steps li::before { content: "0" counter(s); font: 800 .9rem/1 var(--font-display); color: var(--accent); display: block; margin-bottom: 12px; letter-spacing: .05em; }
.steps p { color: var(--muted); margin: 0; }
.steps.compact { grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps, .steps.compact { grid-template-columns: 1fr; } }

.cta-band { align-items: center; }
.contact-mini { display: grid; gap: 10px; }
.contact-mini a { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; text-decoration: none; padding: 18px 22px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--r); font: 700 1.15rem/1.2 var(--font-display); transition: background .25s, border-color .25s, transform .25s var(--ease); overflow-wrap: anywhere; }
.contact-mini a span { font: 400 .8rem/1.6 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--on-band-muted); }
.contact-mini a:hover { background: rgba(255,255,255,.06); border-color: var(--gold); transform: translateX(4px); }

/* footer */
.foot { background: var(--band); color: var(--on-band); padding-top: 64px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; padding-bottom: 40px; }
.foot-grid a:not(.logo) { display: block; text-decoration: none; color: var(--on-band-muted); padding: 4px 0; overflow-wrap: anywhere; }
.foot-grid a:not(.logo):hover { color: #fff; }
.foot-h { font: 700 .75rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.foot-note { color: var(--on-band-muted); max-width: 34ch; margin-top: 14px; }
.foot-small { font-size: .8rem; color: var(--on-band-muted); opacity: .7; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0 28px; font-size: .85rem; color: var(--on-band-muted); }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .foot-grid { grid-template-columns: 1fr; } }

/* page heads */
.page-head { padding: clamp(56px, 9vw, 112px) 0 clamp(44px, 7vw, 80px); }
.page-head h1 { max-width: 18ch; }
canvas.topo-head { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .5; --cc: var(--aqua); }
.page-head::after, .course-head::after, .m-hero::after, .auth-art::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--band) 25%, transparent 90%); }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.values article { background: var(--surface); border-radius: var(--r-lg); padding: 30px; }
.v-n { font: 800 .9rem/1 var(--font-display); color: var(--accent); display: block; margin-bottom: 24px; }
.values p { color: var(--muted); margin: 0; }
@media (max-width: 820px) { .values { grid-template-columns: 1fr; } }
.big-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; }
.big-stats div { display: flex; flex-direction: column-reverse; border-left: 3px solid var(--accent); padding-left: 18px; }
.big-stats dt { color: var(--muted); }
.big-stats dd { margin: 0; font: 800 clamp(2.2rem, 5vw, 3.6rem)/1 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
@media (max-width: 700px) { .big-stats { grid-template-columns: 1fr 1fr; } }

/* cards / forms */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(20px, 3vw, 32px); }
.card.soft { background: var(--soft); border-color: transparent; }
.card.caution { border-left: 4px solid var(--c-wellness); }
.card > :last-child { margin-bottom: 0; }
.ticks { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 18px; height: 18px; border-radius: 50%; background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat; }
.band .ticks li::before, .auth-art .ticks li::before { background-color: var(--gold); }
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; }
.field label, .field legend { font-weight: 700; font-size: .95rem; }
.field small { color: var(--muted); }
input, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: .75em .9em; width: 100%; transition: border-color .2s, box-shadow .2s; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
input[type="range"] { padding: 0; accent-color: var(--accent); border: 0; background: none; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; }
.form-err { color: var(--bad); font-weight: 700; margin: 0; }
.ready { background: var(--soft); border-radius: var(--r); padding: 16px 18px; animation: viewIn .4s var(--ease); }
.notice { background: color-mix(in srgb, var(--gold) 22%, var(--surface)); border: 1px solid color-mix(in srgb, var(--gold) 60%, transparent); padding: 12px 16px; border-radius: 12px; margin: 20px 0 0; }

.contact h1 { font-size: clamp(2.6rem, 7vw, 5rem); }
.contact-cards { display: grid; gap: 12px; margin-top: 28px; }
.contact-card { text-decoration: none; display: grid; gap: 4px; transition: transform .25s var(--ease), border-color .25s; }
.contact-card strong { font: 700 1.3rem/1.2 var(--font-display); overflow-wrap: anywhere; }
.contact-card .eyebrow { margin: 0; }
.contact-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.roles { display: grid; gap: 16px; }

/* services */
.plan-sec { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.plan { border: 2px solid var(--accent); position: relative; overflow: hidden; }
.plan::before { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--gold) 45%, transparent), transparent 70%); }
.price { display: inline-block; background: var(--gold); color: #1a1400; font-size: .55em; padding: .2em .6em; border-radius: 999px; vertical-align: middle; margin-left: .3em; transform: rotate(-4deg); }
.plan-side { display: grid; gap: 16px; }
@media (max-width: 820px) { .plan-sec { grid-template-columns: 1fr; } }
.cat-block { display: grid; grid-template-columns: 1fr 2fr; gap: 28px; padding: 32px 0; border-top: 1px solid var(--line); }
.cat-block-h h3 { font-size: 1.5rem; color: var(--cc); }
.cat-block-h p { color: var(--muted); font-size: .95rem; }
.catalog { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.catalog a { display: grid; grid-template-columns: 220px 1fr auto; gap: 16px; align-items: baseline; text-decoration: none; padding: 14px 16px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); transition: border-color .2s, transform .25s var(--ease); }
.catalog a:hover { border-color: var(--cc); transform: translateX(4px); }
.catalog b { font-family: var(--font-display); }
.catalog span { color: var(--muted); }
.catalog em { font-style: normal; font-size: .82rem; color: var(--muted); white-space: nowrap; }
@media (max-width: 820px) { .cat-block { grid-template-columns: 1fr; } .catalog a { grid-template-columns: 1fr; gap: 4px; } }
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--surface); border-radius: var(--r); padding: 4px 20px; border: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: "+"; font: 700 1.4rem/1 var(--font-display); color: var(--accent); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); animation: viewIn .35s var(--ease); }

/* auth */
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - 68px); }
.auth-art { display: flex; align-items: flex-end; padding: clamp(32px, 6vw, 72px); }
.auth-copy h2 { font-size: clamp(2rem, 4vw, 3.2rem); max-width: 12ch; }
.auth-form { display: grid; place-items: center; padding: clamp(32px, 6vw, 72px) 20px; }
.auth-form .form { width: min(420px, 100%); }
.auth-form h1 { font-size: 2.1rem; }
.switch { margin: 0; color: var(--muted); }
.switch a { color: var(--accent); font-weight: 700; }
.demo-note { font-size: .82rem; color: var(--muted); margin: 0; }
@media (max-width: 820px) { .auth { grid-template-columns: 1fr; } .auth-art { min-height: 260px; } }

/* member home */
.m-hero { padding: clamp(44px, 7vw, 80px) 0; }
.m-hero-in { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: end; }
.m-hero h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); max-width: 16ch; }
.m-hero .hero-stats { margin-top: 24px; }
.continue { position: relative; display: grid; gap: 4px; text-decoration: none; background: var(--surface); color: var(--text); border-radius: var(--r-lg); padding: 24px 90px 24px 24px; border-left: 6px solid var(--cc); transition: transform .3s var(--ease), box-shadow .3s; box-shadow: 0 20px 40px -24px rgba(0,0,0,.6); }
.continue:hover { transform: translateY(-4px) rotate(-.5deg); }
.continue .eyebrow { margin: 0 0 4px; color: var(--accent); }
.continue strong { font: 750 1.45rem/1.15 var(--font-display); }
.continue > span:not(.eyebrow) { color: var(--muted); font-size: .92rem; }
.continue .ring { position: absolute; right: 22px; top: 50%; transform: translateY(-50%); }
@media (max-width: 820px) { .m-hero-in { grid-template-columns: 1fr; } }
.filters { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 28px; }
.fchip { --cc: var(--text); appearance: none; border: 1.5px solid var(--line); background: var(--surface); color: var(--text); border-radius: 999px; padding: .5em 1em; font: 700 .9rem var(--font-body); cursor: pointer; transition: all .2s; }
.fchip:hover { border-color: var(--cc); }
.fchip[aria-pressed="true"] { background: var(--cc); border-color: var(--cc); color: var(--bg); }
.m-cat-h { display: grid; grid-template-columns: auto 1fr auto; gap: 8px 28px; align-items: baseline; margin-bottom: 20px; }
.m-cat-h h2 { margin: 0; font-size: 1.7rem; position: relative; padding-left: 18px; }
.m-cat-h h2::before { content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 6px; border-radius: 3px; background: var(--cc); }
.m-cat-h p { margin: 0; color: var(--muted); font-size: .95rem; max-width: 70ch; }
@media (max-width: 820px) { .m-cat-h { grid-template-columns: 1fr; } }

.cgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.ccard { position: relative; display: flex; flex-direction: column; text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s, border-color .35s; }
.ccard .topo { display: block; width: 100%; height: 110px; background: color-mix(in srgb, var(--cc) 10%, var(--surface)); transition: transform .8s var(--ease); }
.ccard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--cc) 60%, var(--line)); }
.ccard:hover .topo { transform: scale(1.08) translateY(-4px); }
.ccard-body { padding: 18px 20px 18px; display: flex; flex-direction: column; flex: 1; position: relative; background: var(--surface); }
.ccard h3 { font-size: 1.3rem; margin: 8px 0 6px; }
.ccard p { color: var(--muted); font-size: .92rem; margin-bottom: 14px; }
.ccard-meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: .82rem; color: var(--muted); }
.chip { display: inline-block; align-self: flex-start; font: 700 .7rem/1 var(--font-body); letter-spacing: .1em; text-transform: uppercase; padding: .45em .7em; border-radius: 999px; background: color-mix(in srgb, var(--cc, var(--accent)) 16%, transparent); color: var(--cc, var(--accent)); }
.band .chip { background: color-mix(in srgb, var(--cc) 28%, transparent); color: #fff; }

.ring { flex: none; }
.ring circle { fill: none; stroke-width: 4; }
.ring-bg { stroke: color-mix(in srgb, var(--cc, var(--accent)) 18%, transparent); }
.ring-fg { stroke: var(--cc, var(--accent)); stroke-linecap: round; transform: rotate(-90deg); transform-origin: center; animation: ringIn 1.2s var(--ease) both; }
.ring text { font: 800 11px var(--font-display); fill: currentColor; text-anchor: middle; font-variant-numeric: tabular-nums; }
.course-stats .ring text { font-size: 26px; fill: #fff; }
.continue .ring text { font-size: 14px; }
@keyframes ringIn { from { stroke-dashoffset: var(--c); } }

.lang-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lang-card { text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s; }
.lang-card:hover { transform: translateY(-6px) rotate(-.6deg); box-shadow: var(--shadow); }
.lang-hello { font: 800 clamp(2.4rem, 5vw, 3.4rem)/1 var(--font-display); color: var(--c-lang); letter-spacing: -0.04em; margin-bottom: 20px; }
.lang-card p { color: var(--muted); }
.asl-wave { font-size: .5em; color: var(--on-band-muted); font-weight: 400; }
@media (max-width: 820px) { .lang-grid { grid-template-columns: 1fr; } }

/* account */
.acct-head { display: flex; gap: 20px; align-items: center; margin: 24px 0 28px; }
.acct-head h1 { margin: 0; font-size: 2.4rem; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--gold); color: #1a1400; display: grid; place-items: center; font: 800 2rem var(--font-display); flex: none; }
.prog-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.prog-list li { display: grid; grid-template-columns: 240px 1fr 60px; gap: 16px; align-items: center; }
.prog-list a { font-weight: 700; text-decoration: none; }
.prog-list a:hover { color: var(--accent); }
.bar-track { height: 8px; background: color-mix(in srgb, var(--cc, var(--accent)) 16%, transparent); border-radius: 99px; overflow: hidden; }
.bar-track span { display: block; height: 100%; background: var(--cc, var(--accent)); border-radius: 99px; transition: width .8s var(--ease); }
.danger-zone { margin-top: 20px; }
.confirm { margin-top: 16px; padding: 16px; border-radius: 12px; background: color-mix(in srgb, var(--bad) 10%, var(--surface)); }
@media (max-width: 640px) { .prog-list li { grid-template-columns: 1fr 50px; } .prog-list .bar-track { grid-column: 1 / -1; grid-row: 2; } }

/* crumbs */
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: .88rem; margin-bottom: 18px; color: var(--muted); }
.band .crumbs { color: var(--on-band-muted); }
.crumbs a { text-decoration: none; font-weight: 700; color: inherit; }
.crumbs a:hover { color: var(--accent); }
.band .crumbs a:hover { color: var(--gold); }
.crumbs .sep { opacity: .5; }

/* course page */
.course-head { padding: clamp(40px, 6vw, 72px) 0; }
.course-head canvas.topo-head { --cc: var(--cc); opacity: .7; }
.course-head::after { background: linear-gradient(90deg, var(--band) 35%, color-mix(in srgb, var(--band) 30%, transparent) 100%); }
.course-head-in { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; }
.course-head h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); margin-top: 14px; margin-bottom: .2em; }
.course-tag { font: 600 italic clamp(1.1rem, 2vw, 1.35rem)/1.3 var(--font-display); color: var(--cc); margin-bottom: 14px; filter: brightness(1.25); }
.course-stats { display: grid; justify-items: center; gap: 18px; }
.course-stats .ring circle { stroke-width: 7; }
.course-stats .ring-bg { stroke: rgba(255,255,255,.12); }
.course-stats dl { display: flex; gap: 22px; margin: 0; }
.course-stats dl div { display: flex; flex-direction: column-reverse; text-align: center; }
.course-stats dt { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-band-muted); }
.course-stats dd { margin: 0; font: 700 1.05rem var(--font-display); color: #fff; }
@media (max-width: 820px) { .course-head-in { grid-template-columns: 1fr; } .course-stats { justify-items: start; grid-template-columns: auto 1fr; align-items: center; } }
.finished { margin-top: 24px; padding: 18px 22px; border-radius: var(--r); background: color-mix(in srgb, var(--cc) 16%, var(--surface)); border: 1.5px solid var(--cc); animation: viewIn .6s var(--ease); }
.course-body { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
@media (max-width: 960px) { .course-body { grid-template-columns: 1fr; } }
.units { display: grid; gap: 28px; }
.unit h3 { display: flex; align-items: baseline; gap: 14px; font-size: 1.4rem; margin-bottom: 14px; }
.unit-n { font: 700 .74rem/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--cc, var(--accent)); white-space: nowrap; }
.course-body { --cc: inherit; }
.lessons { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.lessons a { display: grid; grid-template-columns: 40px 1fr auto; gap: 16px; align-items: center; text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 18px; transition: border-color .2s, transform .25s var(--ease), box-shadow .25s; }
.lessons a:hover { border-color: var(--accent); transform: translateX(4px); box-shadow: var(--shadow); }
.ln { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font: 800 .95rem var(--font-display); border: 2px solid var(--line); color: var(--muted); }
.is-done .ln { background: var(--ok); border-color: var(--ok); }
.ln svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.lt { display: grid; gap: 2px; }
.lt span { color: var(--muted); font-size: .9rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lq { font-size: .78rem; color: var(--muted); white-space: nowrap; }
@media (max-width: 560px) { .lessons a { grid-template-columns: 36px 1fr; } .lq { display: none; } }
.course-side { display: grid; gap: 16px; position: sticky; top: 90px; }
.side-h { font-size: 1.3rem; margin: 0; }
.games { display: grid; gap: 10px; }
.game-card { display: grid; gap: 4px; text-decoration: none; padding: 18px 20px; border-radius: var(--r); background: var(--band); color: var(--on-band); position: relative; overflow: hidden; transition: transform .3s var(--ease); }
.game-card::after { content: "Play →"; position: absolute; right: 18px; top: 18px; font-weight: 700; font-size: .85rem; color: var(--gold); transition: transform .3s var(--ease); }
.game-card:hover { transform: translateY(-3px); }
.game-card:hover::after { transform: translateX(4px); }
.game-card b { font: 700 1.15rem/1.2 var(--font-display); color: #fff; padding-right: 60px; }
.game-card > span:not(.g-type) { font-size: .88rem; color: var(--on-band-muted); }
.g-type { font: 700 .7rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--aqua); }
.g-best { font-size: .78rem !important; color: var(--gold) !important; }

/* lesson page */
.lesson-top { border-bottom: 1px solid var(--line); background: var(--surface); padding: 18px 0 14px; }
.lesson-top .crumbs { margin-bottom: 10px; }
.lesson-progress { display: flex; align-items: center; gap: 14px; font-size: .85rem; color: var(--muted); }
.lesson-progress .bar-track { flex: 1; max-width: 420px; }
.lesson-wrap { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); padding-block: 40px 80px; }
.lesson-nav { position: sticky; top: 90px; align-self: start; max-height: calc(100vh - 110px); overflow: auto; font-size: .9rem; padding-right: 6px; }
.lesson-nav .back { font: 700 1.05rem var(--font-display); text-decoration: none; display: block; margin-bottom: 14px; }
.lesson-nav .back::before { content: "← "; color: var(--cc); }
.ln-unit { font: 700 .7rem/1.3 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; }
.lesson-nav ol { list-style: none; margin: 0; padding: 0; }
.lesson-nav li a { display: flex; gap: 10px; align-items: baseline; text-decoration: none; padding: 6px 8px; border-radius: 8px; color: var(--muted); transition: background .2s, color .2s; }
.lesson-nav li a:hover { background: var(--soft); color: var(--text); }
.lesson-nav li a.cur { background: color-mix(in srgb, var(--cc) 14%, transparent); color: var(--text); font-weight: 700; }
.dot { flex: none; width: 9px; height: 9px; border-radius: 50%; border: 2px solid currentColor; transform: translateY(-1px); }
.lesson-nav a.done .dot { background: var(--ok); border-color: var(--ok); }
.dot.g { border-radius: 2px; transform: rotate(45deg); border-color: var(--cc); }
@media (max-width: 900px) { .lesson-wrap { grid-template-columns: 1fr; } .lesson-nav { position: static; max-height: none; order: 2; border-top: 1px solid var(--line); padding-top: 20px; } }
.lesson { max-width: 760px; }
.lesson h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
.lesson-body { font-size: 1.06rem; }
.lesson-body h3 { font-size: 1.35rem; margin-top: 1.6em; }
.lesson-body ul, .lesson-body ol { padding-left: 1.3em; display: grid; gap: .35em; margin: 0 0 1.2em; }
.lesson-body strong { color: var(--text); }
.lesson-body table { border-collapse: collapse; width: 100%; margin: 0 0 1.4em; font-size: .95rem; }
.tbl { overflow-x: auto; }
.lesson-body th, .lesson-body td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.lesson-body th { font-family: var(--font-display); background: var(--soft); }
.tip, .warn, .ex { border-radius: var(--r); padding: 16px 20px; margin: 0 0 1.3em; }
.tip { background: color-mix(in srgb, var(--cc, var(--accent)) 12%, var(--surface)); border-left: 4px solid var(--cc, var(--accent)); }
.warn { background: color-mix(in srgb, var(--bad) 9%, var(--surface)); border-left: 4px solid var(--bad); }
.ex { background: var(--soft); font-variant-numeric: tabular-nums; }
.tip > :last-child, .warn > :last-child, .ex > :last-child { margin-bottom: 0; }
.tip b:first-child, .warn b:first-child, .ex b:first-child { display: block; font-family: var(--font-display); margin-bottom: 4px; }
.vocab { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; margin: 0 0 1.3em; padding: 0 !important; list-style: none; }
.vocab li { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; display: grid; }
.vocab li b { font-family: var(--font-display); font-size: 1.1rem; color: var(--cc, var(--accent)); }
.vocab li span { color: var(--muted); font-size: .92rem; }
.lesson-body details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; margin-bottom: 8px; }
.lesson-body details summary { cursor: pointer; font-weight: 700; }
.lesson-body .sign-row { display: flex; flex-wrap: wrap; gap: 18px; margin: 0 0 1.3em; }
.lesson-body .sign-row figure { margin: 0; width: 120px; text-align: center; font-size: .85rem; color: var(--muted); }
.lesson-body .sign-row .sign { width: 84px; height: 84px; display: block; margin: 0 auto 6px; }

.check { margin-top: 48px; padding-top: 32px; border-top: 2px dashed var(--line); }
.quiz { display: grid; gap: 18px; }
.qq { border: 1px solid var(--line); background: var(--surface); border-radius: var(--r-lg); padding: 20px 22px; margin: 0; min-width: 0; }
.qq legend { display: contents; }
.qq legend > span:last-child { display: block; font-weight: 700; font-size: 1.08rem; margin-bottom: 14px; }
.qn { float: left; width: 28px; height: 28px; border-radius: 50%; background: var(--cc, var(--accent)); color: #fff; display: grid; place-items: center; font: 800 .85rem var(--font-display); margin: 0 12px 6px 0; }
.qq .sign { width: 96px; height: 96px; display: block; margin: 4px 0 14px; clear: both; }
.opts { display: grid; gap: 8px; clear: both; }
.opt { appearance: none; text-align: left; font: inherit; color: var(--text); background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 16px; cursor: pointer; transition: border-color .2s, background .2s, transform .2s var(--ease); }
.opt:hover:not(:disabled) { border-color: var(--cc, var(--accent)); transform: translateX(3px); }
.opt:disabled { cursor: default; opacity: .7; }
.opt.right { opacity: 1; border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--surface)); font-weight: 700; animation: pulse .5s var(--ease); }
.opt.wrong { opacity: 1; border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--surface)); animation: shake .4s; }
.why { margin: 12px 0 0; font-size: .95rem; color: var(--muted); animation: viewIn .3s var(--ease); }
.why strong { color: var(--bad); }
.why.ok strong { color: var(--ok); }
.quiz-result { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 18px 22px; border-radius: var(--r-lg); animation: viewIn .4s var(--ease); }
.quiz-result.pass { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); }
.quiz-result.fail { background: color-mix(in srgb, var(--gold) 18%, var(--surface)); }
.quiz-result .score { font: 800 2rem/1 var(--font-display); }
.quiz-result .btn { margin-left: auto; }
.lesson-foot { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
@keyframes pulse { 40% { transform: scale(1.02); } }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.pop { animation: popIt .45s var(--ease); }
@keyframes popIt { 40% { transform: scale(1.08); } }

/* games */
.game-page { max-width: 900px; }
.game-head h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-top: 10px; }
.game { margin: 28px 0 32px; }
.game-nav { margin-top: 12px; }
.g-bar { display: flex; flex-wrap: wrap; gap: 10px 28px; font-size: .95rem; color: var(--muted); margin-bottom: 16px; }
.g-bar b { color: var(--text); font-variant-numeric: tabular-nums; font-family: var(--font-display); font-size: 1.1rem; }
.g-done { margin-top: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 20px 24px; border-radius: var(--r-lg); background: var(--band); color: #fff; animation: viewIn .5s var(--ease); }
.g-done strong { font: 700 1.25rem var(--font-display); }
.g-done .btn { margin-left: auto; }
.match-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.tile { appearance: none; font: inherit; min-height: 92px; padding: 14px; border-radius: var(--r); border: 2px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; transition: transform .25s var(--ease), border-color .2s, background .2s, opacity .3s; animation: tileIn .45s var(--ease) both; animation-delay: calc(var(--i) * 30ms); font-size: .95rem; line-height: 1.35; }
.tile.a { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.tile.b { background: var(--soft); }
.tile:hover { transform: translateY(-3px); border-color: var(--cc, var(--accent)); }
.tile.sel { border-color: var(--cc, var(--accent)); background: color-mix(in srgb, var(--cc, var(--accent)) 16%, var(--surface)); transform: translateY(-3px) scale(1.02); }
.tile.ok { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--surface)); opacity: .55; transform: scale(.97); cursor: default; }
.tile.no { border-color: var(--bad); animation: shake .4s; }
@keyframes tileIn { from { opacity: .001; transform: translateY(14px) scale(.95); } }
.flash { display: grid; justify-items: center; gap: 14px; }
.flash .g-bar { justify-self: stretch; }
.card3d { appearance: none; border: 0; padding: 0; background: none; width: min(520px, 100%); aspect-ratio: 1.6; position: relative; perspective: 1200px; cursor: pointer; font: inherit; color: var(--text); }
.card3d .face { position: absolute; inset: 0; display: grid; place-content: center; gap: 10px; padding: 28px; text-align: center; border-radius: var(--r-lg); backface-visibility: hidden; -webkit-backface-visibility: hidden; transition: transform .6s var(--ease); font: 700 clamp(1.3rem, 3vw, 2rem)/1.25 var(--font-display); box-shadow: var(--shadow); }
.card3d .front { background: var(--surface); border: 2px solid var(--line); }
.card3d .back { background: var(--band); color: #fff; transform: rotateY(180deg); font-family: var(--font-body); font-weight: 400; font-size: clamp(1.05rem, 2.2vw, 1.3rem); }
.card3d.flipped .front { transform: rotateY(-180deg); }
.card3d.flipped .back { transform: rotateY(0); }
.card3d.is-known .front { border-color: var(--ok); }
.face small { font: 700 .7rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--cc, var(--accent)); }
.back small { color: var(--gold); }
.flip-hint { margin: 0; font-size: .85rem; }
.sorter .sort-stage { min-height: 170px; display: grid; place-items: center; text-align: center; }
.sort-item { font: 700 clamp(1.3rem, 3vw, 1.9rem)/1.25 var(--font-display); background: var(--surface); border: 2px solid var(--cc, var(--accent)); border-radius: var(--r-lg); padding: 22px 30px; max-width: 560px; box-shadow: var(--shadow); }
.sort-item.in { animation: tileIn .4s var(--ease); }
.sort-item.fly { animation: flyDown .5s var(--ease) forwards; }
.sort-item.shake { animation: shake .45s; border-color: var(--bad); }
@keyframes flyDown { to { transform: translateY(80px) scale(.6); opacity: 0; } }
.sort-msg { min-height: 1.6em; margin: 12px 0 0; font-weight: 700; }
.sort-msg.ok { color: var(--ok); } .sort-msg.no { color: var(--bad); }
.bins { display: grid; grid-template-columns: repeat(var(--n), 1fr); gap: 12px; margin-top: 20px; }
.bin { appearance: none; font: inherit; color: var(--text); background: var(--soft); border: 2px dashed var(--line); border-radius: var(--r-lg); padding: 22px 14px; cursor: pointer; display: grid; gap: 6px; transition: border-color .2s, transform .2s var(--ease), background .2s; }
.bin:hover { border-color: var(--cc, var(--accent)); border-style: solid; transform: translateY(-3px); background: color-mix(in srgb, var(--cc, var(--accent)) 10%, var(--soft)); }
.bin b { font-family: var(--font-display); font-size: 1.1rem; }
.bin span { font: 800 1.6rem var(--font-display); color: var(--cc, var(--accent)); font-variant-numeric: tabular-nums; }
@media (max-width: 560px) { .bins { grid-template-columns: 1fr; } }
.order-list { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
.order-list li { display: grid; grid-template-columns: 36px 1fr auto; gap: 14px; align-items: center; background: var(--surface); border: 2px solid var(--line); border-radius: var(--r); padding: 12px 14px; transition: border-color .2s; }
.order-list li.moved { animation: pulse .35s var(--ease); border-color: var(--cc, var(--accent)); }
.order-list li.ok { border-color: var(--ok); }
.order-list li.no { border-color: var(--bad); }
.on { font: 800 1.1rem var(--font-display); color: var(--cc, var(--accent)); text-align: center; }
.oc { display: flex; gap: 6px; }
.oc button { width: 40px; height: 40px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--bg); color: var(--text); font-size: 1.1rem; cursor: pointer; }
.oc button:hover:not(:disabled) { border-color: var(--accent); }
.oc button:disabled { opacity: .3; cursor: default; }
.levels { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.levels .btn { --b: var(--cc, var(--accent)); }
.math-q { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: center; padding: 36px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); }
.eq { font: 800 clamp(2.2rem, 7vw, 4rem)/1 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; width: 100%; text-align: center; }
.eq.in { animation: tileIn .35s var(--ease); }
.eq.shake { animation: shake .4s; color: var(--bad); }
.math-q input { width: 160px; font: 700 1.6rem var(--font-display); text-align: center; }
.mathg .sort-msg { text-align: center; }
.calc { display: grid; grid-template-columns: 300px 1fr; gap: 28px; }
.calc-in { display: grid; gap: 16px; align-content: start; }
.calc-in output { font-weight: 700; color: var(--accent); }
.calc-out { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; }
.calc-nums { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 14px; margin: 0 0 18px; }
.calc-nums div { display: flex; flex-direction: column-reverse; }
.calc-nums dt { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.calc-nums dd { margin: 0; font: 800 1.4rem var(--font-display); font-variant-numeric: tabular-nums; }
.calc-nums .big dd { font-size: 2rem; color: var(--c-money); }
.calc-chart { width: 100%; height: 220px; display: block; }
.a-tot { fill: color-mix(in srgb, var(--c-money) 30%, transparent); }
.a-in { fill: color-mix(in srgb, var(--muted) 30%, transparent); }
.l-tot { fill: none; stroke: var(--c-money); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
@media (max-width: 760px) { .calc { grid-template-columns: 1fr; } .calc-nums { grid-template-columns: 1fr 1fr; } .calc-nums .big { grid-column: 1 / -1; } }

.confetti { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 100; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .ticker-track { animation: none; }
}