/* N3LF v2 "Waterfall": night-navy hero with a live FT8-style waterfall, a diagonal band-plan slash,
   and spectrum-coded sections on warm paper. Every *-t color is the text-safe (4.5:1+) partner of its vivid fill. */
:root{
  --paper:#f8f6f1; --surface:#fff; --ink:#121831; --muted:#4a5370; --line:#e3dfd6;
  --night:#0c1330; --night-2:#16204c; --night-deep:#070b1e; --on-night:#eef1ff; --on-night-muted:#b4bddc; --night-line:#2a3566;
  --red:#ff4d3d; --orange:#ff8a1f; --yellow:#ffc83d; --green:#2fca74; --cyan:#22bfe0; --blue:#4a74ff; --violet:#9466ff; --pink:#ff5aa5;
  --red-t:#c0281b; --orange-t:#a14d00; --yellow-t:#7a5a00; --green-t:#10703f; --cyan-t:#046a83; --blue-t:#2445cf; --violet-t:#6535d0; --pink-t:#b01c62;
  --red-s:#ffe6e2; --orange-s:#ffead6; --yellow-s:#fff3cf; --green-s:#dcf5e6; --cyan-s:#d8f3fa; --blue-s:#e1e8ff; --violet-s:#ece4ff; --pink-s:#ffe2ef;
  --spectrum:linear-gradient(90deg,var(--red) 0 12.5%,var(--orange) 0 25%,var(--yellow) 0 37.5%,var(--green) 0 50%,var(--cyan) 0 62.5%,var(--blue) 0 75%,var(--violet) 0 87.5%,var(--pink) 0);
  --f-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Instrument Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Martian Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --s-1:.8125rem; --s0:1.0625rem; --s1:1.25rem; --s2:1.6875rem; --s3:clamp(1.875rem,4vw,2.6875rem); --s4:clamp(2.5rem,6.4vw,4.75rem);
  --wrap:74rem; --r:16px; --r-sm:10px;
  --slant:clamp(36px,6vw,96px); --t:clamp(10px,1.3vw,18px);
  --shadow:0 1px 2px rgb(18 24 49/.06),0 14px 34px -18px rgb(18 24 49/.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0a0f24; --surface:#121a38; --ink:#e8ebf8; --muted:#a2abc9; --line:#252f55;
  --night:#060a1c; --night-2:#111a40; --night-deep:#03060f; --night-line:#232d58;
  --red-t:#ff7a6e; --orange-t:#ffa04d; --yellow-t:#ffd361; --green-t:#4fdc8c; --cyan-t:#4fd3f0; --blue-t:#8aa4ff; --violet-t:#b49bff; --pink-t:#ff85bb;
  --red-s:#3a1a1f; --orange-s:#3a2414; --yellow-s:#37301a; --green-s:#12321f; --cyan-s:#0f2e3a; --blue-s:#18244f; --violet-s:#261d4f; --pink-s:#3a1830;
  --shadow:0 1px 2px rgb(0 0 0/.3),0 14px 34px -18px rgb(0 0 0/.7);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0a0f24; --surface:#121a38; --ink:#e8ebf8; --muted:#a2abc9; --line:#252f55;
  --night:#060a1c; --night-2:#111a40; --night-deep:#03060f; --night-line:#232d58;
  --red-t:#ff7a6e; --orange-t:#ffa04d; --yellow-t:#ffd361; --green-t:#4fdc8c; --cyan-t:#4fd3f0; --blue-t:#8aa4ff; --violet-t:#b49bff; --pink-t:#ff85bb;
  --red-s:#3a1a1f; --orange-s:#3a2414; --yellow-s:#37301a; --green-s:#12321f; --cyan-s:#0f2e3a; --blue-s:#18244f; --violet-s:#261d4f; --pink-s:#3a1830;
  --shadow:0 1px 2px rgb(0 0 0/.3),0 14px 34px -18px rgb(0 0 0/.7);
  color-scheme:dark}

/* spectrum slots: set --c (vivid), --ct (text-safe), --cs (tint) from one class */
.c-red{--c:var(--red);--ct:var(--red-t);--cs:var(--red-s)}
.c-orange{--c:var(--orange);--ct:var(--orange-t);--cs:var(--orange-s)}
.c-yellow{--c:var(--yellow);--ct:var(--yellow-t);--cs:var(--yellow-s)}
.c-green{--c:var(--green);--ct:var(--green-t);--cs:var(--green-s)}
.c-cyan{--c:var(--cyan);--ct:var(--cyan-t);--cs:var(--cyan-s)}
.c-blue{--c:var(--blue);--ct:var(--blue-t);--cs:var(--blue-s)}
.c-violet{--c:var(--violet);--ct:var(--violet-t);--cs:var(--violet-s)}
.c-pink{--c:var(--pink);--ct:var(--pink-t);--cs:var(--pink-s)}

/* base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--s0)/1.6 var(--f-body);text-rendering:optimizeLegibility}
img{max-width:100%}
a{color:inherit;text-underline-offset:3px}
a,button{-webkit-tap-highlight-color:rgb(255 138 31/.22);touch-action:manipulation}
p{margin:0}
h1,h2,h3{font-family:var(--f-display);line-height:1.04;letter-spacing:-.02em;text-wrap:balance;margin:0}
h2{font-size:var(--s3);font-weight:800}
h3{font-size:var(--s1);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
.nw{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:1rem;top:-4rem;z-index:100;background:var(--yellow);color:#121831;padding:.7rem 1rem;border-radius:var(--r-sm);font-weight:700;text-decoration:none}
.skip:focus{top:.75rem}
.wrap{max-width:var(--wrap);margin-inline:auto;--gut:clamp(16px,4vw,40px);padding-left:max(var(--gut),env(safe-area-inset-left));padding-right:max(var(--gut),env(safe-area-inset-right))}
section{padding-block:clamp(3.5rem,8vw,6rem);scroll-margin-top:5rem}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font:600 .75rem/1.2 var(--f-mono);font-stretch:87.5%;letter-spacing:.08em;text-transform:uppercase;color:var(--ct,var(--orange-t))}
.eyebrow::before{content:"";width:.6rem;height:.6rem;border-radius:2px;background:var(--c,var(--orange));flex:none}
.lede{color:var(--muted);max-width:60ch;font-size:1.125rem}
.sec-head{display:grid;gap:.85rem;margin-bottom:clamp(2rem,4vw,3rem);max-width:46rem}
.icon{width:1.25em;height:1.25em;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:48px;padding:.85rem 1.4rem;border-radius:999px;font:700 1rem/1 var(--f-body);text-decoration:none;border:2px solid transparent;cursor:pointer;touch-action:manipulation;transition:transform .18s var(--ease),background-color .18s,border-color .18s,color .18s}
.btn .icon{width:1.1em;height:1.1em}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--orange);color:#121831}
.btn.primary:hover{background:#ff9d40}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.on-night .btn.ghost,.btn.ghost.light{color:var(--on-night);border-color:rgb(238 241 255/.32)}
.on-night .btn.ghost:hover,.btn.ghost.light:hover{border-color:var(--on-night);background:rgb(255 255 255/.06)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem}

/* header */
header.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--night) 94%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);color:var(--on-night);border-bottom:1px solid var(--night-line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:70px}
.brand{display:flex;align-items:center;gap:.7rem;min-height:44px;text-decoration:none;color:inherit;min-width:0}
.brand img{width:44px;height:44px;border-radius:50%;flex:none;background:#fff}
.brand b{display:block;font:700 .8125rem/1 var(--f-mono);letter-spacing:.06em;color:var(--yellow);margin-bottom:.3rem}
.brand span{display:block;font:700 1.0625rem/1.1 var(--f-display);letter-spacing:-.01em}
#site-nav ul{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
#site-nav a{display:flex;align-items:center;gap:.45rem;min-height:40px;padding:.5rem .8rem;border-radius:999px;text-decoration:none;color:var(--on-night-muted);font-weight:600;font-size:.9375rem;white-space:nowrap;transition:color .15s,background-color .15s}
#site-nav a::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--c);flex:none}
#site-nav a:hover{color:var(--on-night);background:rgb(255 255 255/.07)}
#site-nav a[aria-current="page"]{color:#0c1330;background:var(--c)}
#site-nav a[aria-current="page"]::before{background:#0c1330}
#site-nav li.ve-first{margin-left:.5rem;padding-left:.65rem;border-left:1px solid var(--night-line)}
.ve-menu details{position:relative}
.ve-menu summary{display:flex;align-items:center;gap:.4rem;min-height:40px;padding:.5rem .8rem;border-radius:999px;color:var(--on-night-muted);font-weight:600;font-size:.9375rem;white-space:nowrap;cursor:pointer;list-style:none;user-select:none;transition:color .15s,background-color .15s}
.ve-menu summary::-webkit-details-marker{display:none}
.ve-menu summary:hover,.ve-menu details[open] summary{color:var(--on-night);background:rgb(255 255 255/.07)}
.ve-menu .chev{width:1rem;height:1rem;transition:transform .2s var(--ease)}
.ve-menu details[open] .chev{transform:rotate(180deg)}
#site-nav .ve-sub{position:absolute;right:0;top:calc(100% + .5rem);z-index:50;flex-direction:column;align-items:stretch;gap:.15rem;min-width:15rem;padding:.5rem;background:var(--night);border:1px solid var(--night-line);border-radius:var(--r-sm);box-shadow:0 18px 30px -12px rgb(0 0 0/.6)}
.menu-btn{display:none;align-items:center;gap:.5rem;min-height:44px;font:600 .9375rem/1 var(--f-body);color:var(--on-night);background:transparent;border:1px solid rgb(238 241 255/.3);border-radius:999px;padding:.55rem 1rem;cursor:pointer}
.menu-btn .i-close{display:none}
.menu-btn[aria-expanded="true"] .i-open{display:none}
.menu-btn[aria-expanded="true"] .i-close{display:block}
@media (max-width:1010px){
  .menu-btn{display:inline-flex;flex:none}
  #site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--night);border-bottom:1px solid var(--night-line);box-shadow:0 18px 30px -18px rgb(0 0 0/.6);max-height:calc(100dvh - 70px);overflow:auto}
  #site-nav.open{display:block}
  #site-nav ul{flex-direction:column;align-items:stretch;gap:.25rem;padding:.75rem max(clamp(16px,4vw,40px),env(safe-area-inset-right)) calc(1rem + env(safe-area-inset-bottom)) max(clamp(16px,4vw,40px),env(safe-area-inset-left))}
  #site-nav a{min-height:48px;font-size:1.0625rem;border-radius:var(--r-sm)}
  #site-nav li.ve-first{margin:.5rem 0 0;padding:.75rem 0 0;border-left:0;border-top:1px solid var(--night-line)}
  .ve-menu summary{min-height:48px;font-size:1.0625rem;border-radius:var(--r-sm)}
  #site-nav .ve-sub{position:static;min-width:0;padding:.25rem 0 0 .75rem;background:transparent;border:0;box-shadow:none}
}
@media (max-width:420px){.brand span{font-size:.9375rem}.menu-btn .lbl{display:none}.menu-btn{padding:.55rem .8rem}}

/* hero + page heads: night panel cut by a diagonal band-plan slash */
.hero-wrap{position:relative;isolation:isolate}
.hero{position:relative;background:var(--night);color:var(--on-night);clip-path:polygon(0 0,100% 0,100% calc(100% - var(--slant)),0 100%);padding-block:clamp(3rem,7vw,5.5rem) calc(var(--slant) + clamp(2rem,4vw,3.5rem));overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(38rem 26rem at 88% 8%,rgb(148 102 255/.30),transparent 70%),radial-gradient(30rem 22rem at 6% 96%,rgb(34 191 224/.20),transparent 70%),radial-gradient(22rem 16rem at 52% 40%,rgb(255 138 31/.10),transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.35;background-image:linear-gradient(rgb(238 241 255/.06) 1px,transparent 1px),linear-gradient(90deg,rgb(238 241 255/.06) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000,transparent 85%)}
.slash{position:absolute;left:0;right:0;bottom:calc(-1 * var(--t));height:calc(var(--slant) + var(--t));background:var(--spectrum);clip-path:polygon(0 calc(100% - var(--t)),100% 0,100% var(--t),0 100%);z-index:2;pointer-events:none}
.hero .lede{color:var(--on-night-muted)}
.hero .eyebrow{color:var(--yellow)}
.hero .eyebrow::before{background:var(--yellow)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.hero h1{font-size:var(--s4);font-weight:800;letter-spacing:-.035em;margin-block:1.1rem 1.35rem}
.glow{background:linear-gradient(90deg,var(--yellow),var(--orange) 45%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hero .actions{margin-top:2rem}
.class-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.75rem;padding:0;list-style:none}
.class-chips li{display:inline-flex;align-items:center;gap:.45rem;font:600 .75rem/1 var(--f-mono);font-stretch:87.5%;letter-spacing:.04em;padding:.5rem .75rem;border-radius:999px;color:var(--on-night);border:1px solid color-mix(in srgb,var(--c) 60%,transparent);background:color-mix(in srgb,var(--c) 12%,transparent)}
.class-chips li::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--c)}

/* rig display panel */
.rig{position:relative;background:linear-gradient(180deg,#141c3f,#0a1029);border:1px solid #2c3870;border-radius:20px;padding:clamp(1rem,2.4vw,1.4rem);box-shadow:0 30px 60px -30px rgb(0 0 0/.8),inset 0 1px 0 rgb(255 255 255/.08);color:var(--on-night)}
.rig-top{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;margin-bottom:.9rem}
.rig .call{font:700 clamp(2.25rem,6vw,3.25rem)/.9 var(--f-mono);font-stretch:100%;letter-spacing:-.04em;color:var(--yellow)}
.rig .call small{display:block;font:500 .75rem/1.4 var(--f-mono);font-stretch:87.5%;letter-spacing:.1em;text-transform:uppercase;color:var(--on-night-muted);margin-top:.55rem}
.readout{text-align:right}
.readout .f{display:block;font:600 clamp(1.25rem,3vw,1.6rem)/1 var(--f-mono);font-stretch:87.5%;font-variant-numeric:tabular-nums;color:var(--on-night)}
.readout .m{display:inline-flex;gap:.35rem;margin-top:.5rem}
.readout .m span{font:700 .6875rem/1 var(--f-mono);letter-spacing:.06em;padding:.32rem .45rem;border-radius:4px;background:var(--blue);color:#0c1330}
.readout .m span+span{background:var(--green)}
.screen{position:relative;border-radius:10px;overflow:hidden;background:#080c26;border:1px solid #26326a}
.screen canvas{display:block;width:100%;height:auto;aspect-ratio:420/170}
.screen .rx{position:absolute;top:.55rem;left:.6rem;display:flex;align-items:center;gap:.4rem;font:700 .6875rem/1 var(--f-mono);letter-spacing:.08em;color:var(--on-night);background:rgb(6 10 28/.7);padding:.3rem .45rem;border-radius:4px}
.screen .rx i{width:.5rem;height:.5rem;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.axis{display:flex;justify-content:space-between;font:500 .6875rem/1 var(--f-mono);font-stretch:87.5%;color:var(--on-night-muted);padding:.45rem .15rem 0;font-variant-numeric:tabular-nums}
.rig dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:1rem 0 0;background:#26326a;border:1px solid #26326a;border-radius:10px;overflow:hidden}
.rig dl div{background:#0d1434;padding:.75rem .85rem}
.rig dt{font:600 .75rem/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-night-muted);margin-bottom:.3rem}
.rig dd{margin:0;font-weight:600;font-size:.9375rem;line-height:1.35;font-variant-numeric:tabular-nums}

/* page head (sub pages) */
.page-head .hero-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.page-head h1{font-size:clamp(2.25rem,5.4vw,4rem);margin-block:1rem 1.1rem}
.page-head .photo{width:calc(75% - 9px);justify-self:end}
.page-head .photo img{aspect-ratio:4/3;border-radius:14px}
.page-head .photo figcaption{color:var(--on-night-muted)}
.hero.page-head{padding-block:clamp(2.75rem,6vw,4.5rem) calc(var(--slant) + clamp(2rem,4vw,3.5rem))}
.hero-wrap + section,.hero-wrap + main > section:first-child{padding-top:clamp(3.5rem,7vw,5rem)}

/* photo figure with credit */
.photo{margin:0;display:grid;gap:.5rem;min-width:0}
.photo img{display:block;width:100%;height:auto;object-fit:cover;border-radius:var(--r);background:var(--line)}
.photo figcaption{font:500 .75rem/1.45 var(--f-body);color:var(--muted)}
.photo figcaption a{color:inherit}
.photo figcaption a,.credits a,.cta .credit a,.rule li a{padding-block:.7rem}
.ch a.v{padding-block:.8rem}
.framed{margin-right:12px}
.framed img{box-shadow:12px 12px 0 var(--c,var(--violet))}
.framed figcaption{margin-top:10px}

/* license classes */
.classes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.cls{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-rows:auto 1fr;border:1px solid var(--line)}
.cls header{background:var(--c);color:#0c1330;padding:1.25rem 1.4rem 1.1rem;position:relative}
.cls header::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:repeating-linear-gradient(90deg,rgb(12 19 48/.28) 0 2px,transparent 2px 10px)}
.cls .el{font:700 .75rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase}
.cls h3{font-size:var(--s2);font-weight:800;margin-top:.5rem}
.cls .body{padding:1.25rem 1.4rem 1.4rem;display:grid;gap:1.1rem;align-content:start}
.cls p{color:var(--muted);font-size:1rem}
.cls dl{display:flex;gap:1.75rem;margin:0}
.cls dt{font:600 .75rem/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cls dd{margin:.25rem 0 0;font:800 1.75rem/1 var(--f-display);color:var(--ct);font-variant-numeric:tabular-nums}
.bands{display:grid;gap:.4rem}
.bands .k{font:600 .75rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.strip{display:grid;grid-template-columns:repeat(10,1fr) .5rem repeat(4,1fr);gap:3px;height:28px}
.strip i{border-radius:3px;border:1.5px solid color-mix(in srgb,var(--ct) 45%,transparent);background:transparent}
.strip i.f{background:var(--c);border-color:var(--c)}
.strip i.p{background:repeating-linear-gradient(135deg,var(--c) 0 3px,transparent 3px 6px);border-color:var(--c)}
.strip b{display:block}
.strip-scale{display:grid;grid-template-columns:10fr .5rem 4fr;gap:3px;font:500 .75rem/1 var(--f-mono);font-stretch:87.5%;color:var(--muted)}
.strip-scale span{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:.35rem}
.strip-scale em{font-style:normal}
.legend{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1.5rem;margin:0 0 1.25rem;font-size:.9375rem;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:.5rem}
.legend i{width:1.1rem;height:1.1rem;border-radius:3px;border:1.5px solid var(--ink)}
.legend i.f{background:var(--ink)}
.legend i.p{background:repeating-linear-gradient(135deg,var(--ink) 0 3px,transparent 3px 6px)}
.legend a{font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:.3rem;min-height:44px}
.fees{display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) minmax(0,1.6fr);gap:1rem;margin-top:2rem}
.fee{background:var(--cs);border-radius:var(--r);padding:1.25rem 1.4rem;display:grid;gap:.25rem;align-content:center}
.fee strong{font:800 clamp(2.25rem,5vw,3rem)/1 var(--f-display);color:var(--ct);font-variant-numeric:tabular-nums}
.fee span{color:var(--ink);font-weight:600}
.fee.note{background:var(--surface);border:1px dashed var(--line)}
.fee.note p{color:var(--muted);font-size:1rem}
.fee.note a{font-weight:700;color:var(--ink)}

/* on the air mosaic */
.mosaic{max-width:75%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:minmax(9.75rem,auto);gap:.9rem;grid-template-areas:"wf wf hh qs" "cw po hh qs" "sa sa us us"}
.tile{position:relative;margin:0;border-radius:var(--r);overflow:hidden;background:var(--night);isolation:isolate;min-height:9.75rem}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
@media (hover:hover){.tile:hover img{transform:scale(1.04)}}
.tile figcaption{position:absolute;inset:auto 0 0 0;padding:2.25rem .85rem .8rem;background:linear-gradient(180deg,transparent,rgb(6 9 26/.88) 62%);color:#fff;display:grid;gap:.45rem;justify-items:start}
.tile .tag{font:700 .75rem/1 var(--f-mono);font-stretch:87.5%;letter-spacing:.06em;text-transform:uppercase;padding:.38rem .55rem;border-radius:5px;background:var(--c);color:#0c1330}
.tile h3{font-size:clamp(.9375rem,1.2vw,1.0625rem);color:#fff;text-shadow:0 1px 10px rgb(0 0 0/.4)}
.tile::before{content:"";position:absolute;inset:0;border-top:5px solid var(--c);border-radius:inherit;z-index:2;pointer-events:none}
.t-wf{grid-area:wf}.t-hh{grid-area:hh}.t-qs{grid-area:qs}.t-cw{grid-area:cw}.t-po{grid-area:po}.t-sa{grid-area:sa}.t-us{grid-area:us}
.t-hh img{object-position:center 30%}
.t-sa img{object-position:center 45%}
.t-us img{object-position:center 30%}
.credits{max-width:75%;margin-top:1.25rem;font-size:.8125rem;line-height:1.6;color:var(--muted)}
.credits a{color:inherit}

/* features */
.feature-band{background:var(--surface);border-block:1px solid var(--line)}
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.feat{display:grid;gap:.75rem;align-content:start;padding:1.5rem;border-radius:var(--r);background:linear-gradient(160deg,var(--cs),var(--paper) 55%);border:1px solid var(--line);transition:transform .25s var(--ease),border-color .25s}
@media (hover:hover){.feat:hover{transform:translateY(-3px);border-color:var(--c)}}
.feat .ic{display:grid;place-items:center;width:3rem;height:3rem;border-radius:12px;background:var(--c);color:#0c1330;box-shadow:0 8px 18px -10px var(--c)}
.feat .ic .icon{width:1.5rem;height:1.5rem}
.feat p{color:var(--muted);font-size:1rem}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem;counter-reset:s;position:relative}
.steps li{counter-increment:s;position:relative;display:grid;gap:.6rem;align-content:start;padding:1.4rem;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:50%;background:var(--c);color:#0c1330;font:800 1.125rem/1 var(--f-display);margin-bottom:.35rem}
.steps p{color:var(--muted);font-size:1rem}
.steps a{font-weight:700;color:var(--ct)}
.steps-line{height:4px;border-radius:2px;background:var(--spectrum);margin:0 0 1.5rem;opacity:.9}

/* reviews */
.reviews{columns:3 19rem;column-gap:1.25rem}
.rev{break-inside:avoid;margin:0 0 1.25rem;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--c);border-radius:var(--r-sm) var(--r) var(--r) var(--r-sm);padding:1.3rem 1.4rem 1.2rem;display:grid;gap:.9rem}
.rev blockquote{margin:0;font-size:1.03rem;line-height:1.55;position:relative}
.rev blockquote::before{content:"\201C";display:block;font:800 2.75rem/.6 var(--f-display);color:var(--c);margin-bottom:.35rem}
.rev figcaption{font:700 .9375rem/1.3 var(--f-body);color:var(--ct)}
.rev figcaption code{font:600 .75rem var(--f-mono);margin-left:.4rem;padding:.2rem .4rem;border-radius:4px;background:var(--cs);color:var(--ct)}
.reviews:not(.show-all) .rev.extra{display:none}
.more-row{display:flex;justify-content:center;margin-top:.75rem}

/* closing CTA with photo */
.cta{position:relative;color:var(--on-night);background:var(--night);overflow:hidden;isolation:isolate;padding-block:clamp(4rem,9vw,7rem)}
.cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.42}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--night) 25%,rgb(12 19 48/.55) 70%,rgb(12 19 48/.2))}
.cta::after{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--spectrum)}
.cta .eyebrow{color:var(--yellow)}
.cta .eyebrow::before{background:var(--yellow)}
.cta h2{font-size:clamp(2rem,5vw,3.5rem);max-width:16ch;margin-top:1rem}
.cta h2+p{color:var(--on-night-muted);margin-top:1rem;max-width:44ch;font-size:1.125rem}
.cta .actions{margin-top:2rem}
.cta .credit{position:absolute;right:clamp(16px,4vw,40px);bottom:.9rem;font-size:.75rem;color:var(--on-night-muted)}
.cta .credit a{color:inherit}

/* test page */
.notice{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem;align-items:start;background:var(--yellow-s);border:1px solid color-mix(in srgb,var(--yellow) 60%,transparent);border-radius:var(--r);padding:1.25rem 1.4rem}
.notice .ic{display:grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:12px;background:var(--yellow);color:#0c1330}
.notice p{color:var(--ink)}
.notice a{font-weight:700}
.prep{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3rem);align-items:start;margin-bottom:clamp(2rem,4vw,3rem)}
.prep-copy{display:grid;gap:1.25rem}
.prep-copy .photo{width:75%}
.setup{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.25rem;display:grid;gap:.75rem}
.setup svg{width:100%;height:auto;display:block}
.setup h3{font-size:1.0625rem}
.setup p{font-size:.9375rem;color:var(--muted)}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.rule{background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--c);border-radius:var(--r);padding:1.4rem;display:grid;gap:.85rem;align-content:start;min-width:0}
.rule .hd{display:flex;align-items:center;gap:.75rem}
.rule .ic{display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:10px;background:var(--cs);color:var(--ct);flex:none}
.rule ul{margin:0;padding-left:1.1rem;display:grid;gap:.45rem;color:var(--muted);font-size:.9844rem}
.rule li::marker{color:var(--ct)}
.rule strong{color:var(--ink)}
.rule .more{display:inline-flex;align-items:center;gap:.35rem;font-weight:700;color:var(--ct);font-size:.9844rem;min-height:44px}

/* resources */
.res{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.res-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.res-group .hd{display:flex;align-items:center;gap:.75rem;padding:1.1rem 1.25rem;background:var(--cs);color:var(--ct)}
.res-group .hd .icon{width:1.4rem;height:1.4rem}
.res-group h2{font-size:1.1875rem;letter-spacing:-.01em;color:var(--ink)}
.res-group ul{list-style:none;margin:0;padding:.25rem 0}
.res-group li+li{border-top:1px solid var(--line)}
.res-group a{display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:52px;padding:.75rem 1.25rem;text-decoration:none;font-weight:600;transition:background-color .15s,color .15s}
.res-group a .icon{width:1rem;height:1rem;color:var(--ct)}
.res-group a:hover{background:var(--cs);color:var(--ct)}
.res-photo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:clamp(1.5rem,4vw,3rem);align-items:center;margin-top:clamp(2.5rem,5vw,4rem)}
.res-photo .photo img{aspect-ratio:4/5;object-position:center 40%}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.about .copy{display:grid;gap:1.1rem;max-width:62ch}
.about .copy p{color:var(--muted);font-size:1.0625rem}
.about .copy p.big{color:var(--ink);font-size:1.25rem;line-height:1.5}
.modes{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:.25rem 0 0;padding:0}
.modes li{font:700 .8125rem/1 var(--f-mono);font-stretch:87.5%;padding:.55rem .75rem;border-radius:999px;background:var(--cs);color:var(--ct);border:1px solid color-mix(in srgb,var(--c) 45%,transparent)}
.about-photos{display:grid;gap:1rem}
.about-photos .photo img{aspect-ratio:4/3}
.qsl-card{position:relative;overflow:hidden;background:var(--night);color:var(--on-night);border-radius:var(--r);padding:clamp(1.5rem,4vw,2.25rem) clamp(1.5rem,4vw,2.25rem) calc(clamp(1.5rem,4vw,2.25rem) + 8px);box-shadow:var(--shadow);transform:rotate(-1.2deg)}
.qsl-card::before{content:"";position:absolute;inset:.6rem;border:1px dashed var(--night-line);border-radius:10px;pointer-events:none}
.qsl-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:8px;background:var(--spectrum)}
.qsl-card .eyebrow{color:var(--yellow)}
.qsl-card .eyebrow::before{background:var(--yellow)}
.qsl-card .call-big{font:700 clamp(3.5rem,9vw,5.5rem)/.9 var(--f-mono);letter-spacing:-.05em;color:var(--yellow);margin:.9rem 0 1rem}
.qsl-card .meta{color:var(--on-night-muted);font-size:1rem}
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.channels{display:grid;gap:.75rem}
.ch{display:flex;align-items:center;gap:1rem;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--c);border-radius:var(--r-sm) var(--r) var(--r) var(--r-sm);padding:1rem 1.15rem;flex-wrap:wrap}
.ch .ic{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:10px;background:var(--cs);color:var(--ct);flex:none}
.ch .txt{flex:1;min-width:10rem}
.ch .k{display:block;font:600 .75rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.4rem}
.ch .v{font-weight:700;overflow-wrap:anywhere}
.ch .sm{display:inline-flex;align-items:center;gap:.4rem;min-height:44px;font:700 .875rem/1 var(--f-body);padding:.6rem 1rem;border-radius:999px;border:1.5px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;text-decoration:none;transition:border-color .15s}
.ch .sm:hover{border-color:var(--ct);color:var(--ct)}
.ch .sm .icon{width:1rem;height:1rem}

/* VE pages */
.ve-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}
.ve-card{background:var(--surface);border:1px solid var(--line);border-top:5px solid var(--c);border-radius:var(--r);padding:clamp(1.4rem,4vw,2rem);display:grid;gap:1.1rem;align-content:start;box-shadow:var(--shadow);max-width:46rem}
.ve-card h2{font-size:var(--s2)}
.ve-card p{color:var(--muted)}
.ve-card .btn{justify-self:start}
.ve-card .tag{font:700 .75rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ct);display:inline-flex;align-items:center;gap:.5rem}
.ve-card .tag .icon{width:1rem;height:1rem}

/* next-step strip */
.next{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;padding:clamp(1.5rem,4vw,2.25rem);border-radius:var(--r);background:var(--night);color:var(--on-night);position:relative;overflow:hidden}
.next::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(180deg,var(--red),var(--orange),var(--yellow),var(--green),var(--cyan),var(--blue),var(--violet),var(--pink))}
.next p{font:800 var(--s2)/1.1 var(--f-display);letter-spacing:-.02em;padding-left:.5rem}

/* phone action bar: slides up once the page header scrolls away, hides at the closing CTA and footer */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:none;padding:.7rem max(16px,env(safe-area-inset-right)) calc(.7rem + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:color-mix(in srgb,var(--night) 95%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--night-line);transform:translateY(110%);visibility:hidden;transition:transform .28s var(--ease),visibility 0s .28s}
.dock::before{content:"";position:absolute;left:0;right:0;top:-4px;height:4px;background:var(--spectrum)}
.dock .btn{flex:1;min-height:50px}
.dock.show{transform:none;visibility:visible;transition:transform .32s var(--ease)}

/* footer */
footer{background:var(--night);color:var(--on-night-muted);position:relative;padding-block:3.5rem calc(2rem + env(safe-area-inset-bottom));font-size:.9375rem}
footer::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--spectrum)}
.foot{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(4,minmax(0,1fr));gap:2rem}
.foot h2{font:600 .75rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--on-night);margin-bottom:1rem}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.foot a{text-decoration:none;display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.foot a:hover{color:var(--on-night);text-decoration:underline}
.foot .brand{margin-bottom:1rem;color:var(--on-night)}
.foot p{max-width:36ch}
.foot .hours{color:var(--on-night);font-weight:600}
.legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 2rem;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--night-line);font-size:.875rem}
.legal a{color:inherit;display:inline-flex;align-items:center;min-height:44px}

/* entrance motion: only when JS is on, never under reduced motion */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:calc(var(--i,0) * 60ms)}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1024px){
  .hero-grid,.page-head .hero-grid{grid-template-columns:minmax(0,1fr)}
  .rig{max-width:34rem}
  .qsl-card{transform:none;max-width:30rem}
  .page-head .photo{max-width:22.5rem;justify-self:start}
  .classes,.features,.rules,.res{grid-template-columns:repeat(2,minmax(0,1fr))}
  .classes .cls:last-child{grid-column:1/-1}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fees{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fee.note{grid-column:1/-1}
  .mosaic{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"wf wf" "hh qs" "hh qs" "cw po" "sa sa" "us us"}
  .prep,.about,.contact,.res-photo{grid-template-columns:minmax(0,1fr)}
  .foot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  .dock{display:flex}
  .strip{height:32px}
  .strip-scale,.bands .k{font-size:.875rem}
  html{scroll-padding-bottom:5.5rem}
  .top .wrap{min-height:60px}
  .brand img{width:40px;height:40px}
  #site-nav{max-height:calc(100dvh - 60px)}
  .cta::before{background:linear-gradient(180deg,rgb(12 19 48/.84),rgb(12 19 48/.94))}
  .reviews:not(.show-all) .rev:nth-child(n+5){display:none}
  .classes,.features,.rules,.res,.steps,.ve-grid{grid-template-columns:minmax(0,1fr)}
  .classes .cls:last-child{grid-column:auto}
  .mosaic,.credits{max-width:none}
  .mosaic{grid-auto-rows:minmax(8.25rem,auto)}
  .tile{min-height:8.25rem}
  .foot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero .actions .btn{flex:1 1 100%}
  .readout{text-align:left}
}
@media (orientation:landscape) and (max-height:500px){.top .wrap{min-height:56px}.brand img{width:38px;height:38px}#site-nav{max-height:calc(100dvh - 56px)}}
@media (max-width:380px){.mosaic{grid-template-columns:minmax(0,1fr);grid-template-areas:"wf" "hh" "qs" "cw" "po" "sa" "us"}.t-hh img{object-position:center 72%}.foot{grid-template-columns:minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
  .tile:hover img,.feat:hover{transform:none}
}
@media print{.js .reveal{opacity:1!important;transform:none!important}header.top,.slash,.menu-btn,.cta img{display:none}.hero{clip-path:none}}

/* Youth promo line, on the navy just under the menu bar. The red message flashes continuously at ~1 flash a second
   (far below the 3-a-second seizure threshold). Anything that flashes for more than 5 seconds needs a way to stop it
   (WCAG 2.2.2), so there's a small Pause button; reduced-motion visitors get the message without flashing.
   Red on navy is 5.5:1 in light mode and 6.3:1 on the darker dark-mode navy. */
.promo{background:var(--night);color:var(--on-night)}
.promo-pause[hidden]{display:none}
.promo p{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.25rem .9rem;margin:0 auto;max-width:var(--wrap);padding:.4rem 16px;text-align:center}
.promo-msg{font:800 clamp(1.0625rem,2.4vw,1.375rem)/1.2 var(--f-display);letter-spacing:-.01em;color:var(--red);animation:promo-flash 1.2s steps(1,end) infinite}
@keyframes promo-flash{50%{opacity:.15}}
.promo.paused .promo-msg{animation:none}
.promo a{display:inline-flex;align-items:center;gap:.35rem;min-height:44px;color:var(--on-night);font-weight:700;text-underline-offset:3px}
.promo a .icon{width:1em;height:1em}
.promo-pause{display:inline-flex;align-items:center;gap:.35rem;min-height:36px;padding:.3rem .75rem;border-radius:999px;border:1px solid rgb(238 241 255/.3);background:transparent;color:var(--on-night-muted);font:600 .8125rem/1 var(--f-body);cursor:pointer}
.promo-pause:hover{color:var(--on-night);border-color:var(--on-night)}
.promo-pause .icon{width:.9rem;height:.9rem}
.promo-pause .i-play,.promo.paused .promo-pause .i-pause{display:none}
.promo.paused .promo-pause .i-play{display:block}
@media (max-width:520px){.promo p{gap:.1rem .6rem}.promo a .promo-lbl,.promo-pause .promo-lbl{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.promo a,.promo-pause{justify-content:center;width:44px;min-height:44px;padding:0;border-radius:50%}.promo a{border:1px solid rgb(238 241 255/.3)}}
@media (prefers-reduced-motion:reduce){.promo-msg{animation:none}.promo-pause{display:none}}
@media print{.promo-msg{animation:none}.promo-pause{display:none}}