/* ============================================================
   DAF CGOC Think Tank. Standalone page.
   Each section is its own surface and its own layout:
   hero (ultramarine field) → mission (one held screen) → topics
   (light sheet, index of areas) → process (held frame, steps travel
   sideways) → join (blue sheet) → footer (logo).
   ============================================================ */

/* ---------- 0. Tokens ---------- */
:root{
  color-scheme:dark;
  --ink:#04060C; --midnight:#070B18; --navy:#0A1330;
  --ultra:#00308F; --ultra-hi:#1A4FD6;
  --paper:#E9EEF8; --paper-ink:#0A1330; --paper-ink-2:#3A4868;
  --line:rgba(190,208,255,.10); --line-2:rgba(190,208,255,.18); --rim:rgba(255,255,255,.09);
  --chrome:#F5F8FF; --chrome-lo:#B9C5DD;
  --sky:#7FAAFF; --sky-soft:rgba(127,170,255,.18);
  --gold:#F5C542;
  --text:#EDF1FA; --text-2:#B7C1D9; --text-3:#8D99B5;
  --font:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --fs-display:clamp(2.4rem,1.2rem + 4.6vw,5rem);
  --fs-h2:clamp(1.9rem,1.2rem + 2.8vw,3.25rem);
  --fs-lead:clamp(1.08rem,1rem + .45vw,1.3rem);
  --fs-body:1.0625rem;
  --fs-small:.875rem;
  --gutter:clamp(1.25rem,.6rem + 3vw,2.5rem);
  --section-y:clamp(4rem,2.4rem + 6.5vw,7.5rem);
  --container:1200px;
  --sheet:clamp(20px,3vw,36px);
  --radius-ctl:12px; --pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* ---------- 1. Base ---------- */
*,*::before,*::after{box-sizing:border-box;}
[hidden]{display:none !important;}
html{scroll-padding-top:96px;-webkit-text-size-adjust:100%;
  scrollbar-color:#24325A var(--ink);}
body{margin:0;background:var(--ink);color:var(--text-2);font-family:var(--font);
  font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;caret-color:var(--sky);}
::selection{background:var(--ultra-hi);color:#fff;}
img,svg{max-width:100%;display:block;}
h1,h2,h3{margin:0;color:var(--text);font-weight:600;letter-spacing:-.03em;line-height:1.05;text-wrap:balance;}
h2{font-size:var(--fs-h2);}
p{margin:0;text-wrap:pretty;}
a{color:var(--sky);text-decoration-thickness:1px;text-underline-offset:.2em;}
main:focus,section:focus{outline:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
.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;}
.container{width:100%;max-width:calc(var(--container) + 2 * var(--gutter));margin-inline:auto;
  padding-inline:var(--gutter);}

.skip-link{position:absolute;left:16px;top:-60px;z-index:1100;background:var(--chrome);color:var(--ink);
  padding:.6rem 1rem;border-radius:8px;font-weight:600;text-decoration:none;transition:top .2s var(--ease);}
.skip-link:focus{top:12px;}

/* ---------- 2. Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:48px;
  padding:0 1.5rem;border-radius:var(--pill);border:1px solid transparent;font:inherit;font-weight:600;
  font-size:1rem;letter-spacing:-.005em;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),
    box-shadow .16s var(--ease),filter .16s var(--ease);}
.btn:active{transform:scale(.96);}
.btn--primary{color:#060A16;background:linear-gradient(180deg,#FFFFFF 0%,#D3DDF0 100%);
  box-shadow:inset 0 1px 0 #fff,inset 0 -1px 0 rgba(6,10,22,.18),0 1px 3px rgba(0,0,0,.55),
    0 10px 28px -12px rgba(127,170,255,.55);}
.btn--ghost{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5);}
@media (hover:hover){
  .btn--primary:hover{filter:brightness(1.06);}
  .btn--ghost:hover{background:rgba(255,255,255,.14);}
}
.btn--sm{min-height:44px;padding:0 1.1rem;font-size:.9375rem;}
.btn--block{width:100%;}
.btn[disabled]{cursor:progress;filter:saturate(.6) brightness(.8);}

/* ---------- 3. Header: a floating bar ---------- */
.site-head{position:sticky;top:12px;z-index:900;display:flex;align-items:center;gap:.5rem;
  width:min(100% - 24px,920px);height:56px;margin:12px auto 0;padding:0 6px 0 16px;border-radius:var(--pill);
  background:rgba(9,13,28,.78);border:1px solid rgba(190,208,255,.18);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 1px 2px rgba(0,0,0,.5),0 12px 28px -14px rgba(0,0,0,.7);}
@supports (backdrop-filter:blur(10px)){
  .site-head{background:rgba(9,13,28,.6);backdrop-filter:blur(10px) saturate(160%);-webkit-backdrop-filter:blur(10px) saturate(160%);}
}
/* how far down the page, drawn along the bar's lower edge (js sets --page) */
.site-head__progress{position:absolute;left:26px;right:26px;bottom:-1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--sky),var(--gold));transform:scaleX(var(--page,0));transform-origin:left;}
.brand{display:inline-flex;align-items:center;min-height:44px;gap:.65rem;text-decoration:none;color:var(--text);margin-right:auto;}
.brand img{height:36px;width:auto;}
.brand__name{font-weight:600;font-size:1rem;letter-spacing:-.02em;}
.site-nav{display:none;gap:2px;margin-right:.5rem;}
.site-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 .95rem;border-radius:var(--pill);
  color:var(--text-2);text-decoration:none;font-size:.9375rem;font-weight:500;
  transition:color .2s var(--ease),background-color .2s var(--ease);}
/* the section in view (js sets aria-current) */
.site-nav a[aria-current="true"]{color:#fff;background:rgba(255,255,255,.1);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);}
@media (hover:hover){.site-nav a:hover{color:#fff;}}
.site-head .btn--sm{min-height:44px;}
@media (min-width:720px){.site-nav{display:flex;}}

/* ---------- 4. Hero: the climb above, the headline below ---------- */
.hero{position:relative;isolation:isolate;overflow:clip;margin-top:-68px;padding-top:84px;
  min-height:100svh;display:flex;flex-direction:column;}
.hero__field{position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(80% 60% at 82% 8%,rgba(60,116,255,.6) 0%,rgba(60,116,255,0) 62%),
    radial-gradient(120% 100% at 62% 0%,var(--ultra) 0%,#06205F 36%,var(--midnight) 66%,var(--ink) 100%);}
.hero__field::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(214,226,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(214,226,255,.07) 1px,transparent 1px);
  background-size:64px 64px;background-position:center top;
  -webkit-mask-image:radial-gradient(90% 70% at 65% 15%,#000 0%,transparent 78%);
          mask-image:radial-gradient(90% 70% at 65% 15%,#000 0%,transparent 78%);}
.hero__field::after{content:"";position:absolute;inset:0;opacity:.14;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");}
/* the grid lights up under a fine pointer (js sets --mx/--my and .is-lit) */
.hero__lit{position:absolute;inset:0;z-index:-1;opacity:0;pointer-events:none;transition:opacity .5s var(--ease);
  background-image:radial-gradient(circle 300px at var(--mx,50%) var(--my,30%),rgba(96,146,255,.34),transparent 70%),
    linear-gradient(rgba(226,235,255,.30) 1px,transparent 1px),
    linear-gradient(90deg,rgba(226,235,255,.30) 1px,transparent 1px);
  background-size:auto,64px 64px,64px 64px;background-position:0 0,center top,center top;
  -webkit-mask-image:radial-gradient(circle 300px at var(--mx,50%) var(--my,30%),#000 0%,transparent 100%);
          mask-image:radial-gradient(circle 300px at var(--mx,50%) var(--my,30%),#000 0%,transparent 100%);}
.hero.is-lit .hero__lit{opacity:1;}

/* the climb runs edge to edge; on a phone it is drawn larger and leaves by the left edge */
.climb{flex:none;width:100%;height:auto;margin-top:clamp(1.5rem,5vh,4rem);overflow:visible;}
.climb path{fill:none;stroke-linecap:round;}
.climb .climb__area{fill:url(#climb-fill);stroke:none;}
.climb__line{stroke:url(#climb-chrome);stroke-width:3;filter:drop-shadow(0 0 12px rgba(127,170,255,.85));}
.climb__glint{stroke:#fff;stroke-width:4;stroke-dasharray:.05 1;stroke-dashoffset:.05;opacity:0;
  filter:drop-shadow(0 0 8px #fff);}
.climb__ring{fill:rgba(127,170,255,.12);stroke:rgba(214,226,255,.45);stroke-width:1;
  transition:stroke .2s var(--ease),fill .2s var(--ease);}
.climb__dot{fill:var(--chrome);}
.climb__stop--end .climb__ring{fill:rgba(245,197,66,.16);stroke:rgba(245,197,66,.7);}
.climb__stop--end .climb__dot{fill:var(--gold);filter:drop-shadow(0 0 14px rgba(245,197,66,.9));}
.climb__stop.is-near .climb__ring{stroke:#fff;fill:rgba(255,255,255,.2);}
.climb text{font-family:var(--mono);font-size:13px;text-anchor:end;fill:var(--text);}
.climb__n{fill:#AAB8DA;}
.climb__label{font-family:var(--font);font-size:15px;font-weight:500;}
@media (max-width:899px){
  .climb{width:230%;max-width:none;margin-left:-130%;}
}
@media (prefers-reduced-motion:no-preference){
  .climb__line{stroke-dasharray:1;stroke-dashoffset:1;animation:climb-draw 1.9s var(--ease) .2s forwards;}
  .climb .climb__area{opacity:0;animation:climb-fade 1.2s var(--ease) 1s forwards;}
  .climb__stop{opacity:0;animation:climb-stop .5s var(--ease) calc(.4s + var(--i) * .28s) forwards;}
  .climb__glint{animation:climb-glint 7s cubic-bezier(.4,0,.2,1) 2.6s 2;}
}
@keyframes climb-draw{to{stroke-dashoffset:0;}}
@keyframes climb-fade{to{opacity:1;}}
@keyframes climb-stop{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
@keyframes climb-glint{0%{stroke-dashoffset:.05;opacity:0;}6%{opacity:.9;}
  30%{opacity:.9;}36%,100%{stroke-dashoffset:-1;opacity:0;}}

.hero__inner{margin-top:auto;padding-top:1.5rem;padding-bottom:clamp(1.75rem,4.5vh,3.25rem);}
.hero h1{font-size:var(--fs-display);letter-spacing:-.04em;line-height:1;color:#fff;}
.hero h1 span{display:block;}
.hero__second{color:var(--chrome-lo);}
.hero__foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2rem;
  margin-top:clamp(1.5rem,3.5vh,2.5rem);}
.hero__partner{font-size:var(--fs-small);color:#C3CFEC;display:flex;align-items:center;gap:.6rem;}
.hero__partner::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);}
@media (max-width:479px){
  .hero__foot .btn{width:100%;}
}

/* ---------- 5. Mission: the statement and its three pillars ---------- */
.mission{background:var(--ink);}
.mission__inner{display:grid;gap:clamp(2.5rem,6vw,4rem);padding-block:var(--section-y);}
.say{font-size:clamp(2.2rem,1.2rem + 4vw,4.4rem);letter-spacing:-.04em;line-height:1.02;font-weight:600;}
/* js lights the words in order as the section scrolls through */
html.js .say span{color:rgba(237,241,250,.2);transition:color .5s var(--ease);}
html.js .say span.is-on{color:var(--text);}
.mission__note{margin-top:1.5rem;max-width:40ch;font-size:1rem;line-height:1.55;color:var(--text-2);}
.pillars{list-style:none;margin:0;padding:0;}
.pillars li{display:grid;grid-template-columns:3rem 1fr;column-gap:.5rem;align-items:baseline;
  padding:1.4rem 0;border-top:1px solid var(--line-2);}
.pillars li:last-child{border-bottom:1px solid var(--line-2);}
.pillars__n{font-family:var(--mono);font-size:.8125rem;color:var(--gold);font-variant-numeric:tabular-nums;}
.pillars h3{font-size:clamp(1.5rem,1.2rem + 1.3vw,2.2rem);letter-spacing:-.03em;line-height:1.05;}
.pillars p{grid-column:2;margin-top:.5rem;max-width:36ch;color:var(--text-2);}
/* wide screens: the screen holds while the statement lights, then each pillar arrives */
@media (min-width:900px) and (prefers-reduced-motion:no-preference){
  html.js .mission{height:230vh;}
  html.js .mission__stage{position:sticky;top:0;height:100vh;height:100svh;}
  html.js .mission__inner{height:100%;grid-template-columns:1.1fr .9fr;gap:5rem;align-items:center;padding-block:96px 48px;}
  html.js .pillars li{opacity:.22;transform:translate3d(0,10px,0);
    transition:opacity .6s var(--ease),transform .6s var(--ease);}
  html.js .pillars li.is-on{opacity:1;transform:none;}
}

/* ---------- 6. Topics: a light sheet, an index of the twelve areas ---------- */
.topics{position:relative;z-index:1;background:var(--paper);color:var(--paper-ink-2);
  border-radius:var(--sheet) var(--sheet) 0 0;padding-top:var(--section-y);padding-bottom:calc(var(--section-y) + var(--sheet));
  overflow:clip;}
.topics ::selection{background:var(--ultra);color:#fff;}
.topics h2{color:var(--paper-ink);}
.topics__head{display:grid;gap:2rem;margin-bottom:clamp(2.5rem,6vw,4.5rem);}
.topics__lede{display:grid;gap:1rem;max-width:52ch;font-size:var(--fs-lead);line-height:1.5;}
@media (min-width:900px){
  .topics__head{grid-template-columns:1fr 1fr;gap:4rem;align-items:start;}
}
.areas{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;column-gap:2.5rem;
  border-top:1px solid rgba(10,19,48,.9);}
.areas li{display:grid;grid-template-columns:2.4rem 1fr;align-items:baseline;padding:.8rem 0;
  border-bottom:1px solid rgba(10,19,48,.18);}
.areas__n{font-family:var(--mono);font-size:.8125rem;color:#56648A;font-variant-numeric:tabular-nums;}
.areas__name{font-size:clamp(1.2rem,1.05rem + .7vw,1.6rem);font-weight:600;letter-spacing:-.025em;line-height:1.15;
  color:var(--paper-ink);}
@media (min-width:600px){.areas{grid-template-columns:1fr 1fr;}}
@media (min-width:1000px){.areas{grid-template-columns:repeat(3,1fr);}}

/* one link, set large; where it is wider than the screen js slides it sideways as it scrolls through */
.bigrow{display:block;margin-top:clamp(2.5rem,6vw,4.5rem);padding-block:.35em;color:var(--ultra);text-decoration:none;
  font-size:clamp(1.9rem,1rem + 4.6vw,5rem);font-weight:600;letter-spacing:-.04em;line-height:1.05;
  border-block:1px solid rgba(10,19,48,.9);padding-inline:var(--gutter);overflow:clip;
  transition:color .2s var(--ease),background-color .2s var(--ease);}
.bigrow__text{display:inline-block;white-space:nowrap;transform:translate3d(var(--x,0px),0,0);will-change:transform;}
.bigrow__arrow{display:inline-block;width:.72em;height:.72em;margin-left:.12em;vertical-align:-.04em;
  fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.bigrow:focus-visible{outline-offset:-6px;border-radius:0;}
@media (hover:hover){
  .bigrow:hover{background:var(--ultra);color:#fff;}
}
/* where the row does not move, it wraps so the whole phrase can be read */
@media (max-width:899px),(prefers-reduced-motion:reduce){
  .bigrow__text{white-space:normal;transform:none;}
}
.topics__note{margin-top:1.5rem;max-width:60ch;font-size:.9375rem;color:var(--paper-ink-2);}

/* ---------- 7. Process: steps side by side ---------- */
.process{position:relative;z-index:2;margin-top:calc(-1 * var(--sheet));background:var(--midnight);
  border-radius:var(--sheet) var(--sheet) 0 0;}
.process__stage{padding-block:var(--section-y);overflow:clip;border-radius:var(--sheet) var(--sheet) 0 0;}
.panel--intro{padding-inline:var(--gutter);margin-bottom:2.5rem;max-width:calc(34rem + 2 * var(--gutter));}
.panel--intro p{margin-top:1rem;font-size:var(--fs-lead);line-height:1.5;}
/* default: a swipeable row */
.process__steps{list-style:none;margin:0;padding:0 var(--gutter);display:flex;overflow-x:auto;
  scroll-snap-type:x mandatory;scroll-padding-left:var(--gutter);-webkit-overflow-scrolling:touch;
  scrollbar-width:none;}
.process__steps::-webkit-scrollbar{display:none;}
.process__steps .panel{flex:none;width:min(82vw,30rem);scroll-snap-align:start;position:relative;
  padding:1.75rem 2rem 0 0;border-top:1px solid var(--line-2);}
.process__steps .panel::before{content:"";position:absolute;left:0;top:-6px;width:11px;height:11px;border-radius:50%;
  background:var(--chrome);}
.panel--end::before{background:var(--gold) !important;box-shadow:0 0 0 5px rgba(245,197,66,.18);}
.panel__n{display:block;font-size:clamp(4rem,17vw,6rem);font-weight:600;letter-spacing:-.06em;line-height:.8;
  color:transparent;-webkit-text-stroke:1.5px rgba(190,208,255,.5);font-variant-numeric:tabular-nums;
  transition:color .4s var(--ease),-webkit-text-stroke-color .4s var(--ease);}
.panel--end .panel__n{-webkit-text-stroke-color:rgba(245,197,66,.75);}
.panel h3{margin-top:1.25rem;font-size:clamp(1.35rem,1.15rem + .9vw,1.9rem);letter-spacing:-.03em;line-height:1.05;}
.panel p{margin-top:.75rem;max-width:32ch;}
.process__bar{display:none;}

/* wide screens with js: the frame holds and the row is driven by the scroll */
.process.is-pinned .process__stage{position:sticky;top:0;height:100vh;height:100svh;padding-block:0;
  display:flex;flex-direction:column;justify-content:center;}
.process.is-pinned .process__track{display:flex;align-items:flex-end;width:max-content;
  transform:translate3d(var(--tx,0px),0,0);will-change:transform;}
.process.is-pinned .panel--intro{flex:none;width:min(46vw,40rem);margin:0;padding:0 4rem 0 var(--gutter);align-self:center;}
.process.is-pinned .panel--intro h2{font-size:clamp(2rem,3.4vw,3.4rem);letter-spacing:-.035em;line-height:1.02;}
.process.is-pinned .process__steps{overflow:visible;padding:0;}
.process.is-pinned .process__steps .panel{width:min(44vw,36rem);padding-right:4rem;}
.process.is-pinned .panel__n{font-size:clamp(5rem,19vh,10.5rem);}
.process.is-pinned .panel.is-active .panel__n{color:var(--chrome);-webkit-text-stroke-color:var(--chrome);}
.process.is-pinned .panel--end.is-active .panel__n{color:var(--gold);-webkit-text-stroke-color:var(--gold);}
.process.is-pinned .process__bar{display:block;position:absolute;left:var(--gutter);right:var(--gutter);bottom:2.5rem;
  height:2px;background:var(--line-2);}
.process.is-pinned .process__bar span{display:block;height:100%;background:linear-gradient(90deg,var(--chrome),var(--gold));
  transform:scaleX(var(--p,0));transform-origin:left;}
/* the blue sheet rises over the held frame before it lets go */
.process.is-pinned + .join{margin-top:-60vh;}

/* ---------- 8. Join: the blue sheet ---------- */
.join{position:relative;z-index:3;margin-top:calc(-1 * var(--sheet));color:#D9E3FF;
  background:linear-gradient(180deg,#0C3DB0 0%,var(--ultra) 34%,#002472 100%);
  border-radius:var(--sheet) var(--sheet) 0 0;padding-block:var(--section-y);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22);}
.join ::selection{background:#fff;color:var(--ultra);}
.join__inner{display:grid;gap:3rem;}
.join h2{font-size:clamp(2rem,1.3rem + 2.8vw,3.4rem);letter-spacing:-.035em;line-height:1.02;color:#fff;}
.join__text p{margin-top:1.5rem;max-width:34ch;font-size:var(--fs-lead);line-height:1.5;}
.join__terms{margin:2.25rem 0 0;max-width:46ch;}
.join__terms dt{font-size:var(--fs-small);font-weight:600;color:#fff;}
.join__terms dd{margin:.35rem 0 1.25rem;font-size:.9375rem;line-height:1.55;color:#C3D1F5;}
.join__terms dd:last-child{margin-bottom:0;}
@media (min-width:960px){
  .join__inner{grid-template-columns:.9fr 1.1fr;gap:5rem;align-items:start;}
}
/* the text column stays in view only where the window is tall enough to show all of it */
@media (min-width:960px) and (min-height:730px){
  .join__text{position:sticky;top:120px;}
}

.join-form{display:grid;gap:1.75rem;}
.grid-2{display:grid;gap:1.75rem 2rem;}
@media (min-width:560px){.grid-2{grid-template-columns:1fr 1fr;}}
.field{display:grid;gap:.25rem;align-content:start;}
.field label,.fs legend{font-size:var(--fs-small);font-weight:500;color:#C9D6F7;}
.req{color:var(--gold);}
.hint{font-size:var(--fs-small);color:#B5C5F0;margin:.15rem 0 .9rem;}
/* ruled-line fields */
input[type="text"],input[type="email"],select,textarea{width:100%;min-height:48px;padding:.55rem 0;
  font:inherit;font-size:1.125rem;color:#fff;background:transparent;border:0;border-radius:0;
  border-bottom:1.5px solid rgba(255,255,255,.62);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);}
textarea{min-height:96px;resize:vertical;line-height:1.5;}
select{appearance:none;-webkit-appearance:none;padding-right:2rem;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23FFFFFF' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .1rem center;}
select:invalid{color:rgba(255,255,255,.72);}
option{color:var(--text);background:var(--navy);}
::placeholder{color:rgba(255,255,255,.62);opacity:1;}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-bottom-color:var(--gold);
  box-shadow:0 1.5px 0 var(--gold);}
[aria-invalid="true"]{border-bottom-color:#FFB8B8 !important;}
.field-error{margin:.4rem 0 0;font-size:var(--fs-small);color:#FFC9C9;}
.field-error:empty{display:none;}

.fs{border:0;margin:0;padding:0;min-width:0;}
.fs legend{padding:0;}
.segmented{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;}
@media (min-width:640px){.segmented{grid-template-columns:repeat(4,1fr);}}
.seg{display:flex;align-items:center;justify-content:center;min-height:64px;padding:.5rem .75rem;
  text-align:center;border-radius:14px;border:1.5px solid rgba(255,255,255,.62);background:rgba(255,255,255,.06);
  color:#fff;font-size:.9375rem;font-weight:500;cursor:pointer;
  transition:border-color .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease);}
@media (hover:hover){.seg:hover{background:rgba(255,255,255,.14);border-color:#fff;}}
.seg:has(input:checked){background:#fff;border-color:#fff;color:var(--ultra);font-weight:600;}
.seg:has(input:focus-visible){outline:2px solid var(--gold);outline-offset:3px;}
.seg:has([aria-invalid="true"]){border-color:#FFB8B8;}

.check{display:grid;grid-template-columns:24px 1fr;gap:.9rem;align-items:start;cursor:pointer;
  font-size:.9375rem;line-height:1.5;color:#D9E3FF;}
.check__box{width:24px;height:24px;margin-top:.05rem;border-radius:7px;border:1.5px solid rgba(255,255,255,.75);
  background:rgba(255,255,255,.06);display:grid;place-items:center;
  transition:background-color .16s var(--ease),border-color .16s var(--ease);}
.check__box::after{content:"";width:11px;height:6px;border-left:2px solid var(--ultra);border-bottom:2px solid var(--ultra);
  transform:translateY(-1px) rotate(-45deg) scale(0);transition:transform .16s var(--ease);}
.check input:checked + .check__box{background:#fff;border-color:#fff;}
.check input:checked + .check__box::after{transform:translateY(-1px) rotate(-45deg) scale(1);}
.check input:focus-visible + .check__box{outline:2px solid var(--gold);outline-offset:3px;}
.check input[aria-invalid="true"] + .check__box{border-color:#FFB8B8;}
#commit-error{margin-top:-1.2rem;}

.error-summary{border:1.5px solid #FFB8B8;border-radius:var(--radius-ctl);padding:1rem 1.2rem;background:rgba(4,6,12,.28);}
.error-summary h3{color:#FFC9C9;font-size:1.0625rem;letter-spacing:-.01em;margin-bottom:.5rem;}
.error-summary ul{margin:0;padding-left:1.1rem;}
.error-summary a{color:#FFC9C9;}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

.btn-submit{min-height:56px;font-size:1.0625rem;}
.btn-spinner{display:none;width:16px;height:16px;border:2px solid rgba(6,10,22,.3);border-top-color:#060A16;
  border-radius:50%;animation:spin .7s linear infinite;}
.btn-submit.is-loading .btn-spinner{display:block;}
@keyframes spin{to{transform:rotate(360deg);}}
.form-status{margin-top:-.75rem;font-size:var(--fs-small);color:#fff;}
.form-status:empty{display:none;}
.form-status a{color:#fff;}
.join__privacy{margin-top:-.75rem;font-size:.8125rem;line-height:1.55;color:#C3D1F5;max-width:56ch;}

.join-success{display:grid;gap:1rem;justify-items:start;color:#D9E3FF;}
.join-success h3{font-size:clamp(2rem,1.4rem + 2.4vw,3.2rem);letter-spacing:-.04em;color:#fff;}
.join-success .btn{margin-top:1rem;}
.success-check{stroke:#fff;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;}
.check__circle{stroke-dasharray:151;stroke-dashoffset:151;}
.check__tick{stroke-dasharray:36;stroke-dashoffset:36;}
.success-check.play .check__circle{animation:dash .5s var(--ease) forwards;}
.success-check.play .check__tick{animation:dash .3s var(--ease) .4s forwards;}
@keyframes dash{to{stroke-dashoffset:0;}}

/* ---------- 9. Footer: the hero's grid and glow, faint, to close the page ---------- */
.site-foot{position:relative;z-index:3;isolation:isolate;overflow:clip;background:var(--ink);
  padding:clamp(3.5rem,2.5rem + 4vw,6rem) 0 2.5rem;}
.site-foot::before{content:"";position:absolute;inset:0;z-index:-1;
  background-image:radial-gradient(55% 80% at 10% 0%,rgba(26,79,214,.3),transparent 70%),
    linear-gradient(rgba(214,226,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(214,226,255,.04) 1px,transparent 1px);
  background-size:auto,64px 64px,64px 64px;background-position:0 0,center top,center top;
  -webkit-mask-image:radial-gradient(55% 85% at 8% 0%,#000 0%,transparent 75%);
          mask-image:radial-gradient(55% 85% at 8% 0%,#000 0%,transparent 75%);}
/* a hairline in the header's progress colors */
.site-foot::after{content:"";position:absolute;inset:0 0 auto;height:1px;opacity:.55;
  background:linear-gradient(90deg,transparent,var(--sky) 25%,var(--gold) 75%,transparent);}
.site-foot__main{display:grid;gap:3rem;}
@media (min-width:900px){.site-foot__main{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:4rem;}}
.site-foot__home{display:inline-block;}
.site-foot__home img{height:clamp(72px,30px + 6vw,96px);width:auto;}
.site-foot__tag{margin-top:1.5rem;max-width:22ch;font-size:clamp(1.15rem,1rem + .5vw,1.4rem);font-weight:600;
  letter-spacing:-.025em;line-height:1.2;color:var(--text);text-wrap:balance;}
.site-foot__partner{margin-top:.9rem;display:flex;align-items:center;gap:.6rem;font-size:var(--fs-small);color:#C3CFEC;}
.site-foot__partner::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);}
.site-foot__nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem 2rem;}
@media (min-width:640px){.site-foot__nav{grid-template-columns:repeat(3,minmax(0,1fr));}}
.site-foot__col h2{margin-bottom:.5rem;font-size:var(--fs-small);font-weight:500;letter-spacing:0;line-height:1.4;
  color:var(--text-3);}
.site-foot__col ul{list-style:none;margin:0;padding:0;}
.site-foot__col a,.site-foot__top{display:inline-flex;align-items:center;gap:.45rem;min-height:40px;
  color:var(--text-2);font-size:.9375rem;text-decoration:none;transition:color .2s var(--ease);}
.site-foot__parent img{height:36px;width:auto;}
.site-foot__arrow{flex:none;width:.85em;height:.85em;fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
@media (hover:hover){
  .site-foot__col a:hover,.site-foot__top:hover{color:#fff;}
  .site-foot__col a:hover .site-foot__arrow{transform:translate(2px,-2px);}
  .site-foot__top:hover .site-foot__arrow{transform:translateY(-2px);}
}
/* the rule spans the text column, not the gutters */
.site-foot__base{display:grid;gap:.5rem 2rem;margin-top:clamp(3rem,2rem + 4vw,5rem);padding-top:1.25rem;
  background:linear-gradient(var(--line-2),var(--line-2)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat;}
.site-foot__copy,.site-foot__disclaimer{font-size:.8125rem;line-height:1.6;color:var(--text-3);max-width:76ch;}
.site-foot__top{font-size:.8125rem;justify-self:start;}
@media (min-width:720px){
  .site-foot__base{grid-template-columns:1fr auto;align-items:center;}
  .site-foot__top{justify-self:end;}
  .site-foot__disclaimer{grid-column:1 / -1;}
}

/* ---------- Forced colors (Windows High Contrast) ---------- */
@media (forced-colors:active){
  .seg:has(input:checked){outline:2px solid Highlight;}
  .check input:checked + .check__box{forced-color-adjust:none;background:Highlight;border-color:Highlight;}
  .check input:checked + .check__box::after{border-color:Canvas;}
  .btn{border:1px solid CanvasText;}
  .panel__n{color:CanvasText;-webkit-text-stroke:0;}
}

/* ---------- Reduced motion kill switch (last) ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .check__circle,.check__tick{stroke-dashoffset:0;}
}