/* =========================================================
   MyLastSmoke — shared design system
   Obsidian + bone, one ember accent. Plus Jakarta Sans (type) + Jost (logo).
   ========================================================= */
:root{
  --ink:#1B2232;
  --ink-2:#222B3E;
  --ink-3:#2B3549;
  --bone:#EEE8DC;
  --bone-2:#E4DCCC;
  --paper:#F6F2EA;
  --text-on-dark:#EEE8DC;
  --dim-on-dark:rgba(238,232,220,.82);
  --faint-on-dark:rgba(238,232,220,.6);
  --line-dark:rgba(238,232,220,.16);
  --text-on-light:#11141B;
  --dim-on-light:rgba(17,20,27,.66);
  --line-light:rgba(17,20,27,.14);
  --ember:#E9A04C;
  --ember-hi:#F6C07A;
  --ember-lo:#B9772C;
  --serif:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --logo:'Jost','Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.22,.8,.2,1);
  --gutter:clamp(1.15rem,4vw,3.5rem);
  --max:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-weight:400;font-size:1.0625rem;line-height:1.72;color:var(--text-on-dark);background:var(--ink);overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
h1 i,h1 em,h2 i,h2 em,h3 i,h3 em,blockquote,blockquote em,.research-link em,.payback,.footer-tag{font-style:normal}
a{color:inherit}
::selection{background:var(--ember);color:var(--ink)}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:2px}

/* film grain over everything dark */
.grain{position:fixed;inset:-50%;width:200%;height:200%;pointer-events:none;z-index:200;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(4) infinite}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-3%,2%)}50%{transform:translate(2%,-3%)}75%{transform:translate(-2%,-1%)}100%{transform:translate(0,0)}}

/* ---------- wordmark (kept from the brand: spaced caps, LAST in ember, spiral O) ---------- */
.wm{display:inline-flex;align-items:center;font-family:var(--logo);font-weight:400;letter-spacing:.32em;text-transform:uppercase;text-decoration:none;color:var(--text-on-dark);white-space:nowrap;font-size:.86rem;line-height:1}
.wm b{font-weight:500;color:var(--ember);margin:0 .32em 0 0}
.wm .sp{margin-right:.32em}
.wm svg{width:1.06em;height:1.06em;margin:0 .32em 0 -.02em;overflow:visible}
.wm svg path{fill:none;stroke-width:1.7;stroke-linecap:round}

/* ---------- buttons ---------- */
.btn{--h:3.4rem;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.7rem;height:var(--h);padding:0 1.9rem;border-radius:999px;font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:.02em;text-decoration:none;cursor:pointer;border:0;overflow:hidden;isolation:isolate;transition:transform .5s var(--ease),box-shadow .5s var(--ease),color .4s}
.btn-ember{background:var(--ember);color:#1A1006;box-shadow:0 0 0 1px rgba(246,192,122,.5) inset,0 18px 40px -16px rgba(233,160,76,.65)}
.btn-ember::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-120%);transition:transform .9s var(--ease)}
.btn-ember:hover::before{transform:translateX(120%)}
.btn-ember:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(246,192,122,.7) inset,0 26px 50px -18px rgba(233,160,76,.8)}
.btn-ghost{background:transparent;color:var(--text-on-dark);box-shadow:0 0 0 1px var(--line-dark) inset}
.btn-ghost:hover{box-shadow:0 0 0 1px rgba(238,232,220,.45) inset}
.btn .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}

/* ---------- top navigation ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1.35rem var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:1.5rem;transition:background .5s,padding .5s,backdrop-filter .5s,box-shadow .5s}
.nav.solid{background:rgba(27,34,50,.72);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);padding-top:.95rem;padding-bottom:.95rem;box-shadow:0 1px 0 var(--line-dark)}
.nav-links{display:flex;align-items:center;gap:1.6rem;list-style:none}
.nav-links a{font-size:.86rem;letter-spacing:.03em;text-decoration:none;color:var(--dim-on-dark);transition:color .3s;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--ember);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.nav-links a:hover{color:var(--text-on-dark)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav .btn{--h:2.6rem;padding:0 1.25rem;font-size:.84rem}
.nav-toggle{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:flex-end;gap:7px}
.nav-toggle span{display:block;height:1px;background:var(--text-on-dark);transition:width .3s}
.nav-toggle span:nth-child(1){width:26px}.nav-toggle span:nth-child(2){width:16px}
.nav-toggle:hover span:nth-child(2){width:26px}

.drawer{position:fixed;inset:0;z-index:150;background:linear-gradient(170deg,#111829 0%,#262F50 60%,#4A4770 100%);display:flex;flex-direction:column;justify-content:center;overflow-y:auto;padding:6rem var(--gutter) 3rem;clip-path:circle(0% at calc(100% - 3rem) 2.6rem);transition:clip-path .8s var(--ease);visibility:hidden}
.drawer.open{clip-path:circle(150% at calc(100% - 3rem) 2.6rem);visibility:visible}
.drawer a.big{font-family:var(--serif);font-weight:600;font-size:clamp(1.6rem,6.4vw,2.6rem);line-height:1.1;padding:.55rem 0;border-bottom:1px solid var(--line-dark);text-decoration:none;color:var(--text-on-dark);display:block;transition:color .3s,padding .4s var(--ease)}
.drawer a.big:hover{color:var(--ember);padding-left:.5rem}
.drawer .small{margin-top:2.4rem;display:flex;flex-wrap:wrap;gap:.6rem 1.6rem}
.drawer .small a{font-size:.88rem;color:var(--dim-on-dark);text-decoration:none}
.drawer .btn{margin-top:2.4rem;align-self:flex-start}
.drawer-close{position:absolute;top:1.2rem;right:var(--gutter);width:44px;height:44px;background:none;border:0;color:var(--text-on-dark);font-size:2rem;font-weight:200;cursor:pointer}

@media (max-width:1240px){
  .nav-links,.nav .btn{display:none}
  .nav-toggle{display:flex}
}

/* ---------- footer ---------- */
.footer{background:var(--ink);border-top:1px solid var(--line-dark);padding:5rem var(--gutter) 2.6rem;color:var(--dim-on-dark);font-size:.9rem}
.footer-in{max-width:var(--max);margin:0 auto}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem;padding-bottom:3.4rem;border-bottom:1px solid var(--line-dark)}
.footer .wm{font-size:.95rem}
.footer-tag{font-family:var(--serif);font-weight:500;font-size:1.5rem;line-height:1.3;color:var(--text-on-dark);margin-top:1.4rem;max-width:22ch}
.footer h4{font-weight:600;font-size:.82rem;letter-spacing:.04em;color:var(--text-on-dark);margin-bottom:1rem}
.footer ul{list-style:none;display:grid;gap:.55rem}
.footer ul a{text-decoration:none;transition:color .3s}
.footer ul a:hover{color:var(--ember)}
.footer-legal{padding-top:2rem;display:grid;gap:1rem;font-size:.8rem;line-height:1.65;color:var(--faint-on-dark)}
.footer-legal a{color:var(--dim-on-dark)}
@media (max-width:760px){.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}}

/* ---------- cookie notice ---------- */
.cookie{position:fixed;left:1rem;bottom:1rem;z-index:120;max-width:420px;background:rgba(34,43,62,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line-dark);border-radius:14px;padding:1.1rem 1.2rem;display:flex;gap:1rem;align-items:center;font-size:.82rem;line-height:1.55;color:var(--dim-on-dark);transform:translateY(160%);transition:transform .7s var(--ease)}
.cookie.on{transform:none}
.cookie a{color:var(--ember)}
.cookie button{flex-shrink:0;background:var(--bone);color:var(--ink);border:0;border-radius:999px;padding:.55rem 1.1rem;font-family:var(--sans);font-size:.8rem;cursor:pointer}
@media (max-width:520px){.cookie{right:1rem;max-width:none}}

/* ---------- legal / inner pages (light reading surface) ---------- */
.page-hero{background:linear-gradient(180deg,#111829 0%,#262F50 45%,#4A4770 78%,#7B5578 100%);padding:10rem var(--gutter) 4.5rem;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-10%;top:-30%;width:60vw;height:60vw;max-width:780px;max-height:780px;border-radius:50%;background:radial-gradient(circle,rgba(233,160,76,.16),transparent 62%);pointer-events:none}
.page-hero .in{max-width:900px;margin:0 auto;position:relative;z-index:1}
.page-hero .kicker{font-size:.86rem;color:var(--ember);letter-spacing:.03em;margin-bottom:1.2rem}
.page-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.4rem,5.6vw,4.2rem);line-height:1.08;letter-spacing:-.03em}
.page-hero .meta{margin-top:1.4rem;color:var(--dim-on-dark);font-size:.92rem}

.prose-wrap{background:var(--paper);color:var(--text-on-light)}
.prose{max-width:760px;margin:0 auto;padding:4.5rem var(--gutter) 6rem;font-family:var(--sans);font-weight:400;font-size:1.04rem;line-height:1.78}
.prose h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.65rem,3vw,2.1rem);line-height:1.2;margin:3.4rem 0 1rem;color:var(--text-on-light)}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--sans);font-weight:500;font-size:1.04rem;letter-spacing:.01em;margin:2rem 0 .6rem}
.prose p{margin-bottom:1.05rem}
.prose ul,.prose ol{margin:0 0 1.2rem 1.25rem}
.prose li{margin-bottom:.55rem;padding-left:.2rem}
.prose li::marker{color:var(--ember-lo)}
.prose b,.prose strong{font-weight:500}
.prose a{color:var(--ember-lo);text-decoration-thickness:1px;text-underline-offset:3px}
.prose a:hover{color:var(--text-on-light)}
.callout{background:#FFFDF8;border:1px solid var(--line-light);border-left:2px solid var(--ember);border-radius:4px 14px 14px 4px;padding:1.6rem 1.8rem;margin:2rem 0;box-shadow:0 20px 40px -30px rgba(17,20,27,.25)}
.callout p:last-child{margin-bottom:0}
.backlink{display:inline-flex;align-items:center;gap:.6rem;margin-top:3.4rem;font-size:.92rem;text-decoration:none;color:var(--text-on-light);border-bottom:1px solid var(--line-light);padding-bottom:.3rem;transition:border-color .3s}
.backlink:hover{border-color:var(--ember)}
@media (max-width:640px){.page-hero{padding-top:8rem}.callout{padding:1.3rem 1.2rem}}

/* reveal utility (driven by site.js) */
.rv{opacity:0;transform:translateY(28px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .grain{animation:none}
  .rv{opacity:1;transform:none;transition:none}
  .btn,.btn-ember::before,.drawer{transition:none}
}