/* ============================================================
   offplanhelp.com v2 — design system
   Dark is primary. Light (warm paper) via prefers-color-scheme.
   No theme toggle by design. Tokens per Design Tokens v2 spec.
   ============================================================ */
:root{
  --ground:#0A0B0D;
  --ground-2:#0D0F13;
  --surface:#15181C;
  --ink:#F5F3EF;
  --ink-2:#B9BFC8;
  --ink-3:#8A9098;
  --ink-4:#6C737C;
  --hair:rgba(245,243,239,.1);
  --hair-2:rgba(245,243,239,.14);
  --hair-3:rgba(245,243,239,.08);

  --front:#F0A65E;      --front-g1:#C97B2E; --front-g2:#F0A65E;
  --front-soft:rgba(240,166,94,.4);  --front-wash:rgba(240,166,94,.18); --front-tint:rgba(240,166,94,.1);
  --back:#54C7B0;       --back-g1:#2E8E7A;  --back-g2:#54C7B0;
  --back-soft:rgba(84,199,176,.4);   --back-wash:rgba(84,199,176,.18);  --back-tint:rgba(84,199,176,.1);
  --post:#B08BE8;       --post-g1:#7E5BB5;  --post-g2:#B08BE8;
  --post-soft:rgba(176,139,232,.4);  --post-wash:rgba(176,139,232,.18); --post-tint:rgba(176,139,232,.1);
  --post-hatch:repeating-linear-gradient(135deg,rgba(176,139,232,.6) 0 4px,rgba(176,139,232,.2) 4px 8px);

  --wa:#25D366; --wa-ink:#07130B; --wa-text:#25D366;
  --wa-soft:rgba(37,211,102,.32); --wa-wash:rgba(37,211,102,.24);

  --glass:rgba(18,20,24,.55);
  --glass-card:rgba(21,24,28,.7);
  --glass-deep:linear-gradient(165deg,rgba(30,34,40,.78),rgba(16,18,22,.62));
  --field:rgba(10,11,13,.6);
  --btn-ink-bg:#F5F3EF; --btn-ink-fg:#0A0B0D;
  --bar-track:rgba(245,243,239,.07);
  --sheen:inset 0 1px 0 rgba(245,243,239,.07);
  --e1:0 16px 32px -26px rgba(0,0,0,.8);
  --e2:0 16px 40px -16px rgba(0,0,0,.7);
  --e3:0 32px 64px -24px rgba(0,0,0,.75);
  --scrim-a:rgba(10,11,13,.1); --scrim-b:rgba(10,11,13,.6);
  --hero-scrim-1:rgba(10,11,13,.3); --hero-scrim-2:rgba(10,11,13,.55);
  --img-filter:grayscale(.08) brightness(.84) sepia(.1) saturate(1.22);
  --img-hero-filter:grayscale(.12) brightness(.68) sepia(.16) saturate(1.25);
  --hero-img-opacity:.85;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --ground:#F7F5F1;
    --ground-2:#F1EDE6;
    --surface:#FFFFFF;
    --ink:#16181B;
    --ink-2:#43484F;
    --ink-3:#6B717A;
    --ink-4:#8A8F98;
    --hair:rgba(22,24,27,.12);
    --hair-2:rgba(22,24,27,.16);
    --hair-3:rgba(22,24,27,.08);

    --front:#96590A;    --front-g1:#8F5609; --front-g2:#B4700F;
    --front-soft:rgba(180,112,15,.4);  --front-wash:rgba(180,112,15,.14); --front-tint:rgba(180,112,15,.09);
    --back:#0E7A63;     --back-g1:#0A5C4B;  --back-g2:#0E7A63;
    --back-soft:rgba(14,122,99,.4);    --back-wash:rgba(14,122,99,.13);   --back-tint:rgba(14,122,99,.08);
    --post:#6D43C0;     --post-g1:#552F9E;  --post-g2:#6D43C0;
    --post-soft:rgba(109,67,192,.4);   --post-wash:rgba(109,67,192,.13);  --post-tint:rgba(109,67,192,.08);
    --post-hatch:repeating-linear-gradient(135deg,rgba(109,67,192,.55) 0 4px,rgba(109,67,192,.18) 4px 8px);

    --wa-text:#0E6B37;
    --wa-soft:rgba(15,111,58,.35); --wa-wash:rgba(37,211,102,.28);

    --glass:rgba(255,255,255,.6);
    --glass-card:rgba(255,255,255,.72);
    --glass-deep:linear-gradient(165deg,rgba(255,255,255,.9),rgba(255,255,255,.62));
    --field:rgba(247,245,241,.9);
    --btn-ink-bg:#16181B; --btn-ink-fg:#F7F5F1;
    --bar-track:rgba(22,24,27,.08);
    --sheen:inset 0 1px 0 rgba(255,255,255,.9);
    --e1:0 16px 32px -26px rgba(22,24,27,.35);
    --e2:0 16px 40px -20px rgba(22,24,27,.35);
    --e3:0 32px 64px -32px rgba(22,24,27,.3);
    --scrim-a:rgba(247,245,241,.15); --scrim-b:rgba(247,245,241,.6);
    --hero-scrim-1:rgba(247,245,241,.4); --hero-scrim-2:rgba(247,245,241,.7);
    --img-filter:grayscale(.12) brightness(1.05) contrast(.95) sepia(.12) saturate(1.12);
    --img-hero-filter:grayscale(.2) brightness(1.25) contrast(.9) sepia(.18) saturate(1.2);
    --hero-img-opacity:.42;
  }
}
:root[data-theme="light"]{
    --ground:#F7F5F1;
    --ground-2:#F1EDE6;
    --surface:#FFFFFF;
    --ink:#16181B;
    --ink-2:#43484F;
    --ink-3:#6B717A;
    --ink-4:#8A8F98;
    --hair:rgba(22,24,27,.12);
    --hair-2:rgba(22,24,27,.16);
    --hair-3:rgba(22,24,27,.08);

    --front:#96590A;    --front-g1:#8F5609; --front-g2:#B4700F;
    --front-soft:rgba(180,112,15,.4);  --front-wash:rgba(180,112,15,.14); --front-tint:rgba(180,112,15,.09);
    --back:#0E7A63;     --back-g1:#0A5C4B;  --back-g2:#0E7A63;
    --back-soft:rgba(14,122,99,.4);    --back-wash:rgba(14,122,99,.13);   --back-tint:rgba(14,122,99,.08);
    --post:#6D43C0;     --post-g1:#552F9E;  --post-g2:#6D43C0;
    --post-soft:rgba(109,67,192,.4);   --post-wash:rgba(109,67,192,.13);  --post-tint:rgba(109,67,192,.08);
    --post-hatch:repeating-linear-gradient(135deg,rgba(109,67,192,.55) 0 4px,rgba(109,67,192,.18) 4px 8px);

    --wa-text:#0E6B37;
    --wa-soft:rgba(15,111,58,.35); --wa-wash:rgba(37,211,102,.28);

    --glass:rgba(255,255,255,.6);
    --glass-card:rgba(255,255,255,.72);
    --glass-deep:linear-gradient(165deg,rgba(255,255,255,.9),rgba(255,255,255,.62));
    --field:rgba(247,245,241,.9);
    --btn-ink-bg:#16181B; --btn-ink-fg:#F7F5F1;
    --bar-track:rgba(22,24,27,.08);
    --sheen:inset 0 1px 0 rgba(255,255,255,.9);
    --e1:0 16px 32px -26px rgba(22,24,27,.35);
    --e2:0 16px 40px -20px rgba(22,24,27,.35);
    --e3:0 32px 64px -32px rgba(22,24,27,.3);
    --scrim-a:rgba(247,245,241,.15); --scrim-b:rgba(247,245,241,.6);
    --hero-scrim-1:rgba(247,245,241,.4); --hero-scrim-2:rgba(247,245,241,.7);
    --img-filter:grayscale(.12) brightness(1.05) contrast(.95) sepia(.12) saturate(1.12);
    --img-hero-filter:grayscale(.2) brightness(1.25) contrast(.9) sepia(.18) saturate(1.2);
    --hero-img-opacity:.42;
  }


/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--ground);color:var(--ink);font-family:'Inter',system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:calc(84px + env(safe-area-inset-bottom))}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--front);color:var(--ground)}
.wrap{max-width:1280px;margin:0 auto;padding:0 40px}
@media (max-width:760px){.wrap{padding:0 22px}}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--front)}
h1,h2,.serif{font-family:'Instrument Serif',Georgia,serif;font-weight:400}
p{text-wrap:pretty}

/* ---------- reveal (JS gates it; visible by default) ---------- */
html.anim [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
html.anim [data-reveal].rvl{opacity:1;transform:none}

/* ---------- floating glass nav ---------- */
.nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:28px;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--hair);border-radius:999px;box-shadow:var(--e2);padding:10px 12px 10px 24px;max-width:calc(100vw - 24px)}
.nav-logo{display:inline-flex;align-items:center;gap:9px;flex:none}
.nav-logo .name{font-family:'Instrument Serif',Georgia,serif;font-size:19px;color:var(--ink);white-space:nowrap}
.nav-logo .name span{color:var(--ink-3)}
.nav-links{display:flex;gap:22px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em}
.nav-links a{color:var(--ink-3);transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-wa{display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:var(--wa-ink);border-radius:999px;padding:9px 18px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.02em;white-space:nowrap;transition:background .15s}
.nav-wa:hover{background:#1FB456}
.nav-burger{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;border:1px solid var(--hair-2);background:none;color:var(--ink);cursor:pointer}
.nav-menu{display:none}
@media (max-width:760px){
  .nav{gap:12px;padding:8px 8px 8px 16px}
  .nav-links{display:none}
  .nav-wa{width:38px;height:38px;padding:0;justify-content:center}
  .nav-wa .lbl{display:none}
  .nav-burger{display:flex}
  .nav-menu{position:fixed;top:70px;left:12px;right:12px;z-index:59;display:none;flex-direction:column;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--hair);border-radius:18px;box-shadow:var(--e2);padding:10px;}
  .nav-menu.open{display:flex}
  .nav-menu a{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;color:var(--ink-2);padding:14px 16px;border-radius:12px}
  .nav-menu a:hover{background:var(--hair-3);color:var(--ink)}
}


/* ---------- theme toggle ---------- */
.tt{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;border:1px solid var(--hair-2);background:none;color:var(--ink);cursor:pointer;flex:none;transition:background .15s}
.tt:hover{background:var(--hair-3)}
.tt .moon{display:none}
.tt .sun{display:block}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]) .tt .sun{display:none}
  :root:not([data-theme="dark"]) .tt .moon{display:block}
}
:root[data-theme="light"] .tt .sun{display:none}
:root[data-theme="light"] .tt .moon{display:block}
:root[data-theme="dark"] .tt .sun{display:block}
:root[data-theme="dark"] .tt .moon{display:none}

/* ---------- glass bottom bar ---------- */
.botbar{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);width:640px;max-width:calc(100vw - 24px);z-index:60;display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--hair-2);border-radius:999px;box-shadow:var(--e2);padding:10px 12px 10px 22px}
.botbar .who{display:flex;flex-direction:column;gap:1px;min-width:0}
.botbar .who b{font-size:13px;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.botbar .who span{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;white-space:nowrap}
.botbar .go{display:inline-flex;align-items:center;gap:9px;background:var(--wa);color:var(--wa-ink);padding:10px 18px;border-radius:999px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;white-space:nowrap;min-height:44px;transition:background .15s;flex:none}
.botbar .go:hover{background:#1FB456}
@media (max-width:760px){.botbar{bottom:12px;padding:8px 8px 8px 18px}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:2px;font-family:'IBM Plex Mono',monospace;font-size:13px;padding:15px 24px;min-height:48px;transition:filter .15s,background .15s;cursor:pointer;border:none}
.btn-ink{background:var(--btn-ink-bg);color:var(--btn-ink-fg)}
.btn-ink:hover{filter:brightness(1.06)}
.btn-wa{background:var(--wa);color:var(--wa-ink)}
.btn-wa:hover{background:#1FB456}
.btn-wa-ghost{border:1px solid var(--wa-soft);color:var(--wa-text);background:rgba(37,211,102,.08);backdrop-filter:blur(8px)}
.btn-wa-ghost:hover{background:rgba(37,211,102,.14)}

/* ---------- imagery grading ---------- */
.ph{position:relative;overflow:hidden}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:var(--img-filter)}
.ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--scrim-a),var(--scrim-b))}
.ph.front::after{background:linear-gradient(180deg,var(--scrim-a),var(--scrim-b)),radial-gradient(80% 80% at 15% 20%,var(--front-tint),transparent)}
.ph.back::after{background:linear-gradient(180deg,var(--scrim-a),var(--scrim-b)),radial-gradient(80% 80% at 15% 20%,var(--back-tint),transparent)}
.ph.post::after{background:linear-gradient(180deg,var(--scrim-a),var(--scrim-b)),radial-gradient(80% 80% at 15% 20%,var(--post-tint),transparent)}
.imgpill{position:absolute;z-index:2;left:16px;bottom:14px;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.14em;color:#F5F3EF;background:rgba(10,11,13,.6);backdrop-filter:blur(10px);border:1px solid var(--hair-2);border-radius:999px;padding:5px 11px;text-transform:uppercase}
.render-cap{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--ink-3);margin-top:10px;text-transform:uppercase}

/* ---------- sections ---------- */
.band{border-top:1px solid var(--hair-3);background:var(--ground-2)}
.sec{padding:80px 0}
.sec-h{font-size:clamp(30px,4.4vw,44px);line-height:1.08}
.sec-h em{font-style:italic}

/* ---------- stat chips ---------- */
.stats{border-top:1px solid var(--hair-3);background:linear-gradient(90deg,var(--front-tint),var(--ground-2) 28%,var(--ground-2) 72%,var(--back-tint))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:14px;align-items:stretch;padding:34px 0}
.stat{background:var(--glass-card);border:1px solid var(--hair-3);border-radius:8px;padding:16px 18px}
.stat .v{font-family:'IBM Plex Mono',monospace;font-size:clamp(16px,1.8vw,22px);color:var(--ink)}
.stat .l{font-size:12px;color:var(--ink-3);margin-top:5px}
.stat.front{border-top:2px solid var(--front)}
.stat.back{border-top:2px solid var(--back)}
.stat.post{border-top:2px solid var(--post)}
.stat.front .v.hl{color:var(--front)}
.stats-src{display:flex;align-items:flex-end;font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.14em;color:var(--ink-4);writing-mode:vertical-rl;transform:rotate(180deg)}
@media (max-width:900px){.stats-grid{grid-template-columns:1fr 1fr}.stats-src{writing-mode:horizontal-tb;transform:none;grid-column:1/-1}}

/* ---------- structure cards ---------- */
.scards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.scard{backdrop-filter:blur(14px);border-radius:12px;padding:26px;transition:transform .15s,box-shadow .15s}
.scard:hover{transform:translateY(-2px);box-shadow:var(--e1)}
.scard.front{background:linear-gradient(170deg,var(--front-wash),var(--glass-card) 52%);border:1px solid var(--front-soft)}
.scard.back{background:linear-gradient(170deg,var(--back-wash),var(--glass-card) 52%);border:1px solid var(--back-soft)}
.scard.post{background:linear-gradient(170deg,var(--post-wash),var(--glass-card) 52%);border:1px solid var(--post-soft)}
.scard .top{display:flex;align-items:center;justify-content:space-between}
.scard .pill{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.16em;border-radius:999px;padding:4px 10px}
.scard.front .pill{color:var(--front);border:1px solid var(--front-soft)}
.scard.back .pill{color:var(--back);border:1px solid var(--back-soft)}
.scard.post .pill{color:var(--post);border:1px solid var(--post-soft)}
.scard h3{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:24px;margin-top:18px}
.scard p{font-size:14px;line-height:1.62;color:var(--ink-3);margin-top:10px}
.sbar{display:flex;height:6px;border-radius:2px;overflow:hidden;background:var(--bar-track);margin-top:18px}
.sbar i{display:block;height:100%}
.sbar .f-front{background:var(--front-g2)}
.sbar .f-back{background:var(--back-g2)}
.sbar .f-post{background:var(--post-g2)}
.sbar .f-hatch{background:var(--post-hatch)}
.sbar-lab{display:flex;justify-content:space-between;font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.14em;color:var(--ink-4);margin-top:7px}
@media (max-width:900px){.scards{grid-template-columns:1fr}}

/* ---------- how it works ---------- */
.how{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.how>div{padding-top:20px}
.how .h-front{border-top:1px solid var(--front-soft)}
.how .h-back{border-top:1px solid var(--back-soft)}
.how .h-post{border-top:1px solid var(--post-soft)}
.how .h-ink{border-top:1px solid var(--hair-2)}
.how .stephead{display:flex;align-items:center;gap:12px}
.how .stepnum{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.18em}
.how p{font-size:13.5px;line-height:1.6;color:var(--ink-3);margin-top:14px}
@media (max-width:900px){.how{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.how{grid-template-columns:1fr}}

/* ---------- guide cards ---------- */
.gcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.gcards.two{grid-template-columns:repeat(2,1fr);gap:20px}
.gcard{background:var(--glass-card);border:1px solid var(--hair-3);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.gcard:hover{transform:translateY(-2px);box-shadow:var(--e1)}
.gcard .ph{aspect-ratio:16/9}
.gcard .bd{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.gcards.two .gcard .bd{padding:22px 24px 24px;gap:12px}
.gcard h3,.gcard .t{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:21px;line-height:1.25}
.gcards.two .gcard .t{font-size:26px;line-height:1.2}
.gcard p{font-size:13px;line-height:1.6;color:var(--ink-3);flex:1}
.gcards.two .gcard p{font-size:14px;line-height:1.64;color:var(--ink-2)}
.gcard .more{display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:11.5px}
.gcard .more.front{color:var(--front)}
.gcard .more.back{color:var(--back)}
.gcard .more.post{color:var(--post)}
@media (max-width:960px){.gcards,.gcards.two{grid-template-columns:1fr}}

/* ---------- credential chips ---------- */
.credchips{display:flex;gap:10px;flex-wrap:wrap}
.credchip{display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--ink-3);border:1px solid var(--hair-2);border-radius:999px;padding:7px 13px;text-transform:uppercase}

/* ---------- pack band / green CTA ---------- */
.packband{position:relative;overflow:hidden;background:linear-gradient(165deg,var(--wa-wash),var(--glass-card) 58%);backdrop-filter:blur(16px);border:1px solid var(--wa-soft);border-radius:14px;padding:clamp(28px,4vw,44px) clamp(24px,4vw,48px);display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;box-shadow:var(--e3)}
.packband::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(37,211,102,.15),transparent 70%)}
.packband .k{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.18em;color:var(--wa-text)}
.packband h2{font-size:clamp(26px,3vw,34px);margin-top:14px}
.packband p{font-size:14.5px;line-height:1.64;color:var(--ink-3);max-width:60ch;margin-top:12px}
.packband>*{position:relative}
@media (max-width:820px){.packband{grid-template-columns:1fr}}

/* ---------- closing CTA ---------- */
.closer{text-align:center;padding:80px 0 110px;background:radial-gradient(50% 55% at 50% 42%,var(--front-tint),transparent 72%)}
.closer h2{font-size:clamp(32px,4.6vw,46px)}
.closer h2 em{font-style:italic;color:var(--front)}
.closer p{font-size:15.5px;line-height:1.66;color:var(--ink-3);max-width:56ch;margin:18px auto 0}

/* ============================================================
   ARTICLE (guide template)
   ============================================================ */
.art-hero{position:relative;min-height:430px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.art-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 35%;filter:var(--img-hero-filter)}
.art-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--hero-scrim-1) 0%,var(--hero-scrim-1) 35%,var(--ground) 100%),radial-gradient(60% 70% at 18% 75%,var(--front-tint),transparent 70%)}
.art-hero .in{position:relative;padding:130px 0 34px}
.art-crumb{display:flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;color:var(--ink-2);text-transform:uppercase}
.art-crumb a:first-child{color:var(--front)}
.art-hero h1{font-size:clamp(34px,5vw,54px);line-height:1.06;letter-spacing:-.015em;margin-top:18px;max-width:26ch;text-wrap:pretty}
.art-by{display:flex;align-items:center;gap:12px;margin-top:20px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.08em;color:var(--ink-2);flex-wrap:wrap;text-transform:uppercase}
.art-by .chip{display:inline-flex;align-items:center;gap:7px;background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--hair-2);border-radius:999px;padding:6px 12px}

.art-grid{display:grid;grid-template-columns:250px minmax(0,700px) 1fr;gap:52px;align-items:start;padding:48px 0 80px}
@media (max-width:1140px){.art-grid{grid-template-columns:250px minmax(0,700px)}.art-rail{display:none}}
@media (max-width:900px){.art-grid{grid-template-columns:minmax(0,1fr)}.art-toc{position:static !important}}

.art-toc{position:sticky;top:96px;background:var(--glass-card);backdrop-filter:blur(16px);border:1px solid var(--hair-3);border-radius:10px;padding:20px}
.art-toc .k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.18em;color:var(--ink-3)}
.art-toc nav{display:flex;flex-direction:column;gap:10px;margin-top:16px;font-size:12.5px;line-height:1.4}
.art-toc nav a{color:var(--ink-2);padding-left:11px;border-left:2px solid transparent;transition:color .15s,border-color .15s}
.art-toc nav a:hover{color:var(--ink)}
.art-toc nav a.on{color:var(--front);border-left-color:var(--front)}
.art-toc .foot{border-top:1px solid var(--hair-3);margin-top:18px;padding-top:14px}
.art-toc .ask{display:flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--wa-text);letter-spacing:.06em}

.article{font-size:16.5px;line-height:1.72;color:var(--ink-2)}
.article .lede{font-family:'Instrument Serif',Georgia,serif;font-size:26px;line-height:1.42;color:var(--ink)}
.article p{margin-top:18px}
.article p strong,.article li strong{color:var(--ink);font-weight:500}
.article h2{font-size:clamp(27px,3vw,34px);line-height:1.16;color:var(--ink);margin-top:48px;padding-top:22px;border-top:1px solid var(--hair);scroll-margin-top:96px}
.article h3{font-family:'Inter',sans-serif;font-size:17px;font-weight:600;color:var(--ink);margin-top:30px}
.article ul,.article ol{margin-top:16px;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.article ol{counter-reset:oli}
.article li{position:relative;padding-left:31px;font-size:15.5px;line-height:1.66}
.article ul li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;background:var(--front);-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="9"/><path d="M8.5 12.5l2.5 2.5 4.5-5"/></svg>') center/contain no-repeat;mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="9"/><path d="M8.5 12.5l2.5 2.5 4.5-5"/></svg>') center/contain no-repeat}
.article ol li{counter-increment:oli}
.article ol li::before{content:counter(oli,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--front)}
.article iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:10px;margin-top:34px;background:var(--surface)}
.article .figure{margin-top:34px}
.article .figure .ph{border-radius:10px;aspect-ratio:16/9;border:1px solid var(--hair)}
.article table{width:100%;border-collapse:separate;border-spacing:0;margin-top:22px;font-size:14.5px;border:1px solid var(--hair);border-radius:10px;overflow:hidden;background:var(--glass-card)}
.article th{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.16em;color:var(--ink-2);font-weight:400;text-align:left;padding:13px 20px;background:var(--hair-3);text-transform:uppercase}
.article td{padding:15px 20px;border-top:1px solid var(--hair-3);color:var(--ink);vertical-align:top}
.article td:nth-child(2){color:var(--ink-2)}
.article td.n{font-family:'IBM Plex Mono',monospace;text-align:right;white-space:nowrap}
.article th:last-child{text-align:right}
.article tr.total td{background:var(--front-tint);border-top:1px solid var(--hair-2)}
.article tr.total td:first-child{font-weight:600}
.article caption{caption-side:bottom;font-size:12px;font-style:italic;color:var(--ink-3);text-align:left;padding-top:12px;line-height:1.6}
.article .tblwrap{overflow-x:auto}

.pull{margin-top:34px;padding:4px 0 4px 26px;border-left:2px solid var(--front)}
.pull p,.pull{font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-size:25px;line-height:1.42;color:var(--ink);margin-top:0}

.callout{margin-top:16px;border-radius:10px;padding:20px 22px}
.callout:first-of-type{margin-top:34px}
.callout .k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.18em;text-transform:uppercase}
.callout p{font-size:15px;line-height:1.66;color:var(--ink-2);margin-top:9px}
.callout.front{background:linear-gradient(150deg,var(--front-wash),var(--glass-card) 60%);border:1px solid var(--front-soft);border-left:2px solid var(--front)}
.callout.front .k{color:var(--front)}
.callout.back{background:linear-gradient(150deg,var(--back-wash),var(--glass-card) 60%);border:1px solid var(--back-soft);border-left:2px solid var(--back)}
.callout.back .k{color:var(--back)}
.callout.post{background:linear-gradient(150deg,var(--post-wash),var(--glass-card) 60%);border:1px solid var(--post-soft);border-left:2px solid var(--post)}
.callout.post .k{color:var(--post)}

.faq{margin-top:20px;border:1px solid var(--hair);border-radius:10px;overflow:hidden}
.faq details{border-top:1px solid var(--hair-3)}
.faq details:first-child{border-top:none}
.faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:15.5px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:17px;height:17px;flex:none;background:var(--ink-2);-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M5 9l7 7 7-7"/></svg>') center/contain no-repeat;mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M5 9l7 7 7-7"/></svg>') center/contain no-repeat;transition:transform .2s}
.faq details[open]{background:var(--glass-card)}
.faq details[open] summary{font-weight:500}
.faq details[open] summary::after{transform:rotate(180deg);background:var(--front)}
.faq details p{padding:0 20px 18px;font-size:14.5px;line-height:1.68;color:var(--ink-2);margin:0}

.ctacard{margin-top:34px;overflow:hidden;background:linear-gradient(165deg,var(--wa-wash),var(--glass-card) 58%);border:1px solid var(--wa-soft);border-radius:12px;padding:26px 28px}
.ctacard .k{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.18em;color:var(--wa-text);text-transform:uppercase}
.ctacard h3{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:25px;color:var(--ink);margin-top:12px}
.ctacard p{font-size:14.5px;line-height:1.64;color:var(--ink-2);margin-top:10px}
.ctacard .btn{margin-top:20px;padding:13px 20px;font-size:12.5px}
.ctacard.tool{background:var(--glass-card);border:1px solid var(--front-soft)}
.ctacard.tool .k{color:var(--front)}

.authorcard{margin-top:44px;background:var(--glass-card);border:1px solid var(--hair-3);border-radius:12px;padding:26px 28px}
.authorcard .head{display:flex;align-items:center;gap:14px}
.authorcard .k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.18em;color:var(--front)}
.authorcard .nm{font-family:'Instrument Serif',Georgia,serif;font-size:24px;color:var(--ink);margin-top:4px}
.authorcard p{font-size:14.5px;line-height:1.66;color:var(--ink-2);margin-top:16px}
.authorcard .credchips{margin-top:18px}

.disclaimer{font-size:11.5px;line-height:1.7;color:var(--ink-4);margin-top:34px;padding-top:20px;border-top:1px solid var(--hair-3)}

.art-rail{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.railcard{background:var(--glass-card);border:1px solid var(--hair-3);border-radius:10px;overflow:hidden}
.railcard .ph{aspect-ratio:16/10}
.railcard .bd{padding:16px 18px 18px}
.railcard .k{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase}
.railcard .t{font-family:'Instrument Serif',Georgia,serif;font-size:18px;line-height:1.28;color:var(--ink);margin-top:8px}
.railcard.tool{border-color:var(--front-soft);padding:18px}
.railcard .minibars{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.railcard .minibars>div{height:6px;background:var(--bar-track);border-radius:2px;overflow:hidden}
.railcard .minibars i{display:block;height:100%}