/* Layout concept: a porcelain editorial measure with a persistent mono index rail on the
   left of every block; full-bleed forest bands punctuate the reading zones. Square panels
   with hairlines carry structure; radius is reserved for controls. */
:root{
  --porcelain:#F7F5EF; --forest:#163C35; --inkc:#202724; --sage:#B9C8B7;
  --clay:#D9A18C; --sand:#E8E0D2; --mint:#B9F2D0;

  --bg:#F7F5EF; --surface:#FFFFFF; --surface-2:#EFECE2; --surface-3:#E8E0D2;
  --fg:#202724; --fg-strong:#163C35; --muted:#59685F;
  --line:rgba(22,60,53,.15); --line-strong:rgba(22,60,53,.34);
  --band-bg:#163C35; --band-fg:#F7F5EF; --band-muted:#A7BCB2; --band-line:rgba(247,245,239,.2);
  --band-surface:rgba(247,245,239,.05);
  --accent:#B9F2D0; --accent-ink:#0E2A25; --accent-line:#3F8C6C;
  --clay-ink:#9E5B42; --sage-ink:#47705F; --mark-accent:#E2563F;
  --btn-bg:#163C35; --btn-fg:#F7F5EF;
  --focus:#1F6F52;

  --display:'Manrope',ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;
  --body:'DM Sans',ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --gut:clamp(16px,5vw,64px);
  --max:1260px;
  --block:clamp(56px,8vw,112px);
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  --bg:#111814; --surface:#18211C; --surface-2:#1C2721; --surface-3:#223029;
  --fg:#E7E4DB; --fg-strong:#F7F5EF; --muted:#9AAAA1;
  --line:rgba(231,228,219,.15); --line-strong:rgba(231,228,219,.34);
  --band-bg:#0C1310; --band-fg:#F7F5EF; --band-muted:#9AAAA1; --band-line:rgba(247,245,239,.16);
  --band-surface:rgba(247,245,239,.04);
  --accent:#B9F2D0; --accent-ink:#0E2A25; --accent-line:#7FD3AC;
  --clay-ink:#E3AC92; --sage-ink:#A9C3B4; --mark-accent:#FF6E55;
  --btn-bg:#B9F2D0; --btn-fg:#0E2A25;
  --focus:#9BE6C2;
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#111814; --surface:#18211C; --surface-2:#1C2721; --surface-3:#223029;
  --fg:#E7E4DB; --fg-strong:#F7F5EF; --muted:#9AAAA1;
  --line:rgba(231,228,219,.15); --line-strong:rgba(231,228,219,.34);
  --band-bg:#0C1310; --band-fg:#F7F5EF; --band-muted:#9AAAA1; --band-line:rgba(247,245,239,.16);
  --band-surface:rgba(247,245,239,.04);
  --accent:#B9F2D0; --accent-ink:#0E2A25; --accent-line:#7FD3AC;
  --btn-bg:#B9F2D0; --btn-fg:#0E2A25;
  --clay-ink:#E3AC92; --sage-ink:#A9C3B4; --mark-accent:#FF6E55;
  --focus:#9BE6C2;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);
  background:var(--bg);z-index:60}
h1,h2,h3,h4{font-family:var(--display);color:var(--fg-strong);text-wrap:balance;
  letter-spacing:-.03em;line-height:1.04;margin:0;font-weight:800}
p{margin:0}
a{color:inherit}
img,svg,canvas{max-width:100%}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}
::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- primitives ---------- */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;
  padding-left:max(var(--gut),env(safe-area-inset-left,0px));
  padding-right:max(var(--gut),env(safe-area-inset-right,0px))}
.block{padding-block:var(--block)}
.band{background:var(--band-bg);color:var(--band-fg)}
.band h1,.band h2,.band h3,.band h4{color:var(--band-fg)}
.band .eyebrow{color:var(--accent)}
.band .lede,.band .muted{color:var(--band-muted)}
.band .panel{border-color:var(--band-line);background:var(--band-surface)}
.band hr,.band .rule{background:var(--band-line)}
.alt{background:var(--surface-2)}

.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sage-ink);font-weight:500;line-height:1.7}
.eyebrow::before{content:"";display:inline-block;width:18px;height:1px;background:currentColor;
  vertical-align:middle;margin-right:10px;margin-bottom:2px}
.eyebrow.bare::before{display:none}
.num{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.h-xl{font-size:clamp(2.6rem,7.4vw,5.4rem)}
.h-lg{font-size:clamp(2rem,4.6vw,3.4rem)}
.h-md{font-size:clamp(1.5rem,2.8vw,2.1rem);letter-spacing:-.025em}
.h-sm{font-size:clamp(1.12rem,1.7vw,1.32rem);letter-spacing:-.02em;font-weight:700}
.lede{font-size:clamp(1.02rem,1.5vw,1.2rem);color:var(--muted);line-height:1.55;max-width:62ch}
.muted{color:var(--muted)}
.measure{max-width:66ch}
.rule{height:1px;background:var(--line);border:0;width:100%}
.stack{display:flex;flex-direction:column}
.g8{gap:8px}.g12{gap:12px}.g16{gap:16px}.g20{gap:20px}.g28{gap:28px}.g40{gap:40px}.g56{gap:56px}
.row{display:flex;flex-wrap:wrap;align-items:center}

.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-size:.95rem;
  font-weight:500;padding:13px 22px;border-radius:999px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s;
  line-height:1;white-space:nowrap}
.btn svg{flex:none}
.btn--primary{background:var(--btn-bg);color:var(--btn-fg)}
.btn--primary:hover{transform:translateY(-1px)}
.btn--ghost{border-color:var(--line-strong);color:var(--fg-strong);background:transparent}
.btn--ghost:hover{border-color:var(--fg-strong);background:var(--surface)}
.band .btn--primary{background:var(--accent);color:var(--accent-ink)}
.band .btn--ghost{border-color:var(--band-line);color:var(--band-fg)}
.band .btn--ghost:hover{border-color:var(--band-fg);background:rgba(247,245,239,.07)}
.btn--sm{padding:10px 17px;font-size:.86rem}

.link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:500;
  color:var(--fg-strong);font-size:.95rem;border-bottom:1px solid var(--line-strong);
  padding-bottom:3px;transition:border-color .18s,gap .18s;width:fit-content}
.link:hover{border-color:var(--accent-line);gap:12px}
.band .link{color:var(--band-fg);border-color:var(--band-line)}
.band .link:hover{border-color:var(--accent)}

.panel{border:1px solid var(--line);background:var(--surface);padding:clamp(20px,2.6vw,30px)}
.panel--flat{background:transparent}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line-strong);padding:5px 10px;border-radius:999px;color:var(--muted);
  display:inline-block;max-width:100%;line-height:1.5}
.band .chip{border-color:var(--band-line);color:var(--band-muted)}

.ticklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.ticklist li{position:relative;padding-left:22px;color:var(--muted);font-size:.95rem;line-height:1.55}
.ticklist li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;
  background:var(--accent-line);transform:rotate(45deg)}
.band .ticklist li::before{background:var(--accent)}
.band .ticklist li{color:var(--band-muted)}

.cols{display:grid;gap:clamp(28px,4vw,56px)}
.cols--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.cols--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.cols--rail{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.cols--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cols--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols--4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.cols--7-5,.cols--5-7,.cols--rail,.cols--3,.cols--4{grid-template-columns:minmax(0,1fr)}}
@media (max-width:640px){.cols--2{grid-template-columns:minmax(0,1fr)}}

/* ---------- header ---------- */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--bg);
  border-bottom:1px solid var(--line);transition:padding .2s}
.hdr__in{display:flex;align-items:center;gap:20px;padding-block:18px;transition:padding-block .2s;max-width:1520px}
.hdr.is-compact .hdr__in{padding-block:11px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand__mark{width:27px;height:27px;flex:none}
.brand__name{font-family:var(--display);font-weight:800;letter-spacing:-.025em;font-size:20px;
  color:var(--fg-strong);text-transform:lowercase;line-height:1}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__item{position:relative}
.nav__btn{font:inherit;font-size:.86rem;font-weight:500;background:none;border:0;cursor:pointer;
  color:var(--fg);padding:9px 7px;border-radius:999px;text-decoration:none;display:inline-flex;
  align-items:center;gap:6px;white-space:nowrap}
.nav__btn:hover{background:var(--surface-2)}
.nav__btn[aria-current="page"]{color:var(--fg-strong);font-weight:700}
.nav__btn[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;
  height:2px;background:var(--accent-line)}
.caret{width:8px;height:8px;border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.55;transition:transform .2s}
.nav__item.is-open .caret{transform:rotate(225deg) translateY(-2px)}
.mega{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  background:var(--surface);border:1px solid var(--line);padding:22px;width:max-content;
  max-width:min(92vw,720px);box-shadow:0 24px 48px -28px rgba(22,60,53,.4);z-index:5}
.mega[hidden]{display:none!important}
.mega__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 26px}
.mega__link{display:block;text-decoration:none;padding:9px 11px;border-radius:3px}
.mega__link:hover{background:var(--surface-2)}
.mega__link strong{display:block;font-family:var(--display);font-size:.9rem;font-weight:700;
  color:var(--fg-strong);letter-spacing:-.01em}
.mega__link span{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}
.mega__foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.hdr__cta{display:flex;align-items:center;gap:8px;flex:none}
.burger{display:none;background:none;border:1px solid var(--line-strong);border-radius:999px;
  padding:10px 15px;font:inherit;font-size:.86rem;font-weight:500;color:var(--fg-strong);cursor:pointer}
@media (max-width:1520px){.hdr__cta .btn--ghost{display:none}}
@media (max-width:1260px){.nav{display:none}.burger{display:inline-block}.hdr__in{gap:12px}}
@media (max-width:520px){.hdr__cta .btn--primary{display:none}}

.sheet{position:fixed;inset:0;z-index:70;background:var(--bg);overflow-y:auto;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.sheet[hidden]{display:none!important}
.sheet__top{display:flex;align-items:center;justify-content:space-between;padding-block:18px;
  border-bottom:1px solid var(--line)}
.sheet__grp{padding-block:22px;border-bottom:1px solid var(--line)}
.sheet__links{display:flex;flex-direction:column;gap:2px;margin-top:12px}
.sheet__links a{text-decoration:none;font-family:var(--display);font-weight:600;font-size:1.02rem;
  color:var(--fg-strong);padding:9px 0}
.sheet__main a{font-size:1.5rem;font-weight:800;letter-spacing:-.025em;padding:7px 0}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero__in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,0.92fr);
  gap:clamp(32px,4vw,64px);align-items:center;padding-block:clamp(40px,6vw,76px)}
@media (max-width:980px){.hero__in{grid-template-columns:minmax(0,1fr)}}
.hero h1{font-size:clamp(2.7rem,7.6vw,5.3rem);letter-spacing:-.045em}
.hero__trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero__trust div{background:var(--bg);padding:16px 14px 16px 0;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);line-height:1.5}
@media (max-width:760px){.hero__trust{grid-template-columns:repeat(2,minmax(0,1fr))}}
#continuum{width:100%;aspect-ratio:1/1;display:block;max-height:560px}
.canvas-wrap{position:relative;border:1px solid var(--line);background:var(--surface)}
.canvas-wrap figcaption{position:absolute;left:14px;bottom:12px;font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- explorer / index patterns ---------- */
.idx{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.idx li{border-bottom:1px solid var(--line)}
.idx button{width:100%;display:grid;grid-template-columns:38px minmax(0,1fr) 16px;gap:12px;
  align-items:baseline;background:none;border:0;font:inherit;text-align:left;cursor:pointer;
  padding:16px 4px;color:var(--fg);position:relative}
.idx button:hover{color:var(--fg-strong)}
.idx button .t{font-family:var(--display);font-weight:700;font-size:1rem;letter-spacing:-.015em}
.idx button .n{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.1em}
.idx button .m{width:7px;height:7px;background:transparent;border:1px solid var(--line-strong);
  transform:rotate(45deg);align-self:center;justify-self:end}
.idx li.is-active button{color:var(--fg-strong)}
.idx li.is-active button .m{background:var(--accent-line);border-color:var(--accent-line)}
.idx li.is-active button .n{color:var(--accent-line)}
.band .idx{border-color:var(--band-line)}
.band .idx li{border-color:var(--band-line)}
.band .idx button{color:var(--band-muted)}
.band .idx li.is-active button{color:var(--band-fg)}
.band .idx li.is-active button .m,.band .idx li.is-active button .n{background:var(--accent);border-color:var(--accent);color:var(--accent)}
.band .idx li.is-active button .n{background:none}

.detail{border:1px solid var(--line);background:var(--surface);padding:clamp(22px,3vw,36px);
  display:flex;flex-direction:column;gap:22px;min-height:100%}
.band .detail{border-color:var(--band-line);background:var(--band-surface)}
.fade-in{animation:fade .34s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.deflist{display:grid;gap:16px}
.deflist dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sage-ink);margin-bottom:5px}
.band .deflist dt{color:var(--accent)}
.deflist dd{margin:0;color:var(--muted);font-size:.95rem;line-height:1.6}
.band .deflist dd{color:var(--band-muted)}

.tagrow{display:flex;flex-wrap:wrap;gap:7px}
.tagrow a{text-decoration:none}
.tagrow a .chip:hover{border-color:var(--accent-line);color:var(--fg-strong)}

/* ---------- pathway / sequence ---------- */
.seq{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);
  border:1px solid var(--line)}
.seq>div{background:var(--surface);padding:18px 16px;display:flex;flex-direction:column;gap:7px}
.band .seq{background:var(--band-line);border-color:var(--band-line)}
.band .seq>div{background:var(--band-bg)}
.seq .k{font-family:var(--display);font-weight:700;font-size:.92rem;color:var(--fg-strong)}
.band .seq .k{color:var(--band-fg)}
.seq .s{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--accent-line);text-transform:uppercase}
.band .seq .s{color:var(--accent)}
.seq .d{font-size:.84rem;color:var(--muted);line-height:1.5}
.band .seq .d{color:var(--band-muted)}
@media (max-width:860px){.seq{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.seq{grid-template-columns:minmax(0,1fr)}}

.fromto{display:grid;grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:0;align-items:stretch;
  border:1px solid var(--line)}
.fromto>div{padding:20px}
.fromto .arrow{display:flex;align-items:center;justify-content:center;border-left:1px solid var(--line);
  border-right:1px solid var(--line);background:var(--surface-2)}
.fromto .to{background:var(--surface)}
@media (max-width:720px){.fromto{grid-template-columns:minmax(0,1fr)}
  .fromto .arrow{border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px;transform:rotate(90deg) scale(.8)}}

/* ---------- approach continuum ---------- */
.stage{display:grid;grid-template-columns:76px minmax(0,1fr);gap:clamp(16px,3vw,36px);
  position:relative;padding-block:clamp(26px,3.4vw,42px)}
.stage__rail{position:relative;display:flex;justify-content:center}
.stage__rail::before{content:"";position:absolute;top:0;bottom:-100%;width:1px;background:var(--line)}
.stage:last-child .stage__rail::before{bottom:auto;height:14px}
.stage__node{position:relative;width:13px;height:13px;transform:rotate(45deg);background:var(--bg);
  border:1px solid var(--line-strong);margin-top:8px;transition:background .3s,border-color .3s}
.stage.is-lit .stage__node{background:var(--accent-line);border-color:var(--accent-line)}
.stage__n{position:absolute;top:30px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  color:var(--muted)}
.stage.is-lit .stage__n{color:var(--accent-line)}
@media (max-width:620px){.stage{grid-template-columns:36px minmax(0,1fr)}.stage__n{display:none}}

/* ---------- dashboard concept ---------- */
.mock{border:1px solid var(--line);background:var(--surface);overflow:hidden}
.mock__bar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);
  background:var(--surface-2)}
.mock__dot{width:8px;height:8px;border-radius:999px;background:var(--line-strong)}
.mock__title{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.mock__body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:1px;background:var(--line)}
@media (max-width:720px){.mock__body{grid-template-columns:minmax(0,1fr)}}
.mock__pane{background:var(--surface);padding:18px;display:flex;flex-direction:column;gap:14px}
.mock__row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:11px;border-bottom:1px solid var(--line);font-size:.85rem}
.mock__row:last-child{border-bottom:0;padding-bottom:0}
.mock__row b{font-weight:500;color:var(--fg-strong)}
.mock__row span{color:var(--muted);font-family:var(--mono);font-size:10.5px;letter-spacing:.08em}
.bar{height:5px;background:var(--surface-3);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--accent-line)}
.state{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap}
.state--on{border-color:var(--accent-line);color:var(--accent-line)}
.state--wait{border-color:var(--clay-ink);color:var(--clay-ink)}
.label-note{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);border-left:2px solid var(--clay-ink);padding-left:10px;line-height:1.6}

/* ---------- cards & editorial ---------- */
.cardgrid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.cardgrid>*{background:var(--surface);padding:clamp(20px,2.4vw,28px);display:flex;flex-direction:column;gap:11px}
.band .cardgrid{background:var(--band-line);border-color:var(--band-line)}
.band .cardgrid>*{background:var(--band-bg)}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1000px){.c4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.c3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.c3,.c2,.c4{grid-template-columns:minmax(0,1fr)}}
a.card{text-decoration:none;color:inherit;transition:background .18s}
a.card:hover{background:var(--surface-2)}
.band a.card:hover{background:rgba(247,245,239,.06)}

.scroller{display:flex;gap:1px;overflow-x:auto;background:var(--line);border:1px solid var(--line);
  scroll-snap-type:x mandatory}
.scroller>*{background:var(--surface);scroll-snap-align:start;flex:0 0 min(330px,78vw);
  padding:24px;display:flex;flex-direction:column;gap:12px}

/* ---------- accordion ---------- */
.acc{border-top:1px solid var(--line)}
.acc__item{border-bottom:1px solid var(--line)}
.acc__btn{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  background:none;border:0;font:inherit;text-align:left;cursor:pointer;padding:18px 2px;color:var(--fg-strong);
  font-family:var(--display);font-weight:700;font-size:1rem;letter-spacing:-.015em}
.acc__sign{flex:none;width:14px;height:14px;position:relative;margin-top:4px}
.acc__sign::before,.acc__sign::after{content:"";position:absolute;background:var(--fg-strong);
  transition:transform .22s}
.acc__sign::before{inset:6px 0 auto 0;height:1.5px}
.acc__sign::after{inset:0 6px auto 6px;width:1.5px;height:14px}
.acc__btn[aria-expanded="true"] .acc__sign::after{transform:scaleY(0)}
.acc__panel{padding:0 2px 20px;color:var(--muted);font-size:.95rem;max-width:72ch}
.acc__panel[hidden]{display:none!important}
.band .acc,.band .acc__item{border-color:var(--band-line)}
.band .acc__btn{color:var(--band-fg)}
.band .acc__sign::before,.band .acc__sign::after{background:var(--band-fg)}
.band .acc__panel{color:var(--band-muted)}

/* ---------- breadcrumbs / page head ---------- */
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:24px}
.crumb a{text-decoration:none;color:var(--muted)}
.crumb a:hover{color:var(--fg-strong)}
.crumb span{opacity:.5}
.phead{border-bottom:1px solid var(--line);padding-block:clamp(36px,5vw,64px) clamp(32px,4vw,52px)}

/* ---------- form wizard ---------- */
.wiz{border:1px solid var(--line);background:var(--surface)}
.wiz__steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);
  border-bottom:1px solid var(--line)}
.wiz__steps>div{background:var(--surface-2);padding:13px 14px;display:flex;flex-direction:column;gap:3px}
.wiz__steps>div.is-on{background:var(--surface)}
.wiz__steps .sn{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted)}
.wiz__steps>div.is-on .sn{color:var(--accent-line)}
.wiz__steps .st{font-size:.8rem;color:var(--muted);line-height:1.35}
.wiz__steps>div.is-on .st{color:var(--fg-strong);font-weight:500}
@media (max-width:760px){.wiz__steps{grid-template-columns:repeat(4,minmax(0,1fr))}
  .wiz__steps .st{display:none}.wiz__steps>div{padding:12px 8px;align-items:center}}
.wiz__body{padding:clamp(22px,3vw,34px)}
.wiz__foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px clamp(22px,3vw,34px);border-top:1px solid var(--line);background:var(--surface-2)}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.85rem;font-weight:500;color:var(--fg-strong)}
.field .hint{font-size:.78rem;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:.95rem;padding:11px 13px;
  border:1px solid var(--line-strong);background:var(--bg);color:var(--fg);border-radius:2px;width:100%}
.field textarea{min-height:104px;resize:vertical;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--focus);outline-offset:1px;border-color:transparent}
.field .err{font-size:.8rem;color:var(--clay-ink);font-weight:500}
.field.has-err input,.field.has-err select,.field.has-err textarea{border-color:var(--clay-ink)}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:620px){.opts{grid-template-columns:minmax(0,1fr)}}
.opt{display:flex;align-items:center;gap:11px;border:1px solid var(--line-strong);padding:13px 15px;
  cursor:pointer;background:var(--bg);font-size:.92rem;border-radius:2px;transition:border-color .16s,background .16s}
.opt:hover{border-color:var(--fg-strong)}
.opt input{accent-color:var(--accent-line);width:16px;height:16px;flex:none}
.opt.is-on{border-color:var(--accent-line);background:var(--surface-2)}
.check{display:flex;align-items:flex-start;gap:11px;font-size:.88rem;color:var(--muted);line-height:1.55}
.check input{margin-top:3px;accent-color:var(--accent-line);width:16px;height:16px;flex:none}
.notice{border:1px solid var(--line-strong);border-left-width:3px;border-left-color:var(--clay-ink);
  padding:15px 17px;font-size:.88rem;color:var(--muted);line-height:1.6;background:var(--surface-2)}
.band .notice{background:var(--band-surface);border-color:var(--band-line);border-left-color:var(--accent)}

/* ---------- get access: an agreement ledger, settled in a forest band ---------- */
.btn:disabled{opacity:.6;cursor:default;transform:none}
.ledger{--pad:clamp(26px,3.6vw,44px);border-top:1px solid var(--line)}
.ledger__row{display:grid;grid-template-columns:32px minmax(0,4fr) minmax(0,8fr);gap:clamp(14px,3vw,36px);
  padding-block:var(--pad);border-bottom:1px solid var(--line)}
.ledger__rail{position:relative;display:flex;justify-content:center}
.ledger__rail::before{content:"";position:absolute;top:calc(var(--pad) * -1);bottom:calc(var(--pad) * -1);width:1px;background:var(--line)}
.ledger__row.is-done .stage__node{background:var(--accent-line);border-color:var(--accent-line)}
.ga-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.ga-wide{grid-column:1/-1}
@media (max-width:860px){.ledger__row{grid-template-columns:18px minmax(0,1fr)}.ledger__row>.ga-fields{grid-column:2}}
@media (max-width:620px){.ga-fields{grid-template-columns:minmax(0,1fr)}}
.ga-amount{position:relative}
.ga-amount::before{content:"$";position:absolute;left:13px;top:50%;transform:translateY(-50%);font-family:var(--mono);color:var(--muted)}
.ga-amount input{padding-left:28px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.ga-total{font-family:var(--display);font-weight:800;letter-spacing:-.04em;font-size:clamp(2.5rem,7vw,4.6rem);line-height:1;
  color:var(--band-fg);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.ga-accept{border:0;padding:0;margin:0;min-width:0;display:flex;flex-direction:column;gap:12px}
.ga-accept legend{padding:0;margin-bottom:12px}
.band .check{color:var(--band-muted)}
.band .check a{color:var(--band-fg)}
.band .check input{accent-color:var(--accent)}
.band .field .err{color:var(--clay)}
.form-err{border:1px solid var(--line-strong);border-left:3px solid var(--clay-ink);padding:12px 14px;font-size:.88rem;background:var(--surface-2);color:var(--fg)}
.band .form-err{background:var(--band-surface);border-color:var(--band-line);border-left-color:var(--clay);color:var(--band-fg)}

/* ---------- footer ---------- */
.ftr{background:var(--band-bg);color:var(--band-fg);padding-block:clamp(48px,6vw,80px) 32px}
.ftr a{color:var(--band-muted);text-decoration:none;font-size:.9rem}
.ftr a:hover{color:var(--band-fg)}
.ftr h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:500;margin-bottom:14px}
.ftr__cols{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(4,minmax(0,1fr));
  gap:clamp(24px,3vw,44px)}
@media (max-width:1000px){.ftr__cols{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.ftr__cols{grid-template-columns:minmax(0,1fr)}}
.ftr__list{display:flex;flex-direction:column;gap:9px}
.ftr__bot{margin-top:44px;padding-top:22px;border-top:1px solid var(--band-line);display:flex;
  flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--band-muted)}

.skip{position:absolute;left:-9999px;top:0;background:var(--btn-bg);color:var(--btn-fg);
  padding:12px 18px;z-index:100;border-radius:0 0 4px 0}
.skip:focus{left:0}
.theme-btn{background:none;border:1px solid var(--line-strong);border-radius:999px;width:34px;height:34px;
  cursor:pointer;color:var(--fg-strong);display:inline-flex;align-items:center;justify-content:center;flex:none}
.theme-btn:hover{border-color:var(--fg-strong)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
}