:root{
  --ink:#0B0D10;
  --ink-2:#14171B;
  --ink-3:#1B1F25;
  --paper:#EDE8DC;
  --paper-dim:#C9C3B4;
  --text-lo:#EDEAE2;
  --text-hi:#F7F5EF;
  --line:#33383D;
  --signal:#C1121F;
  --signal-dim:#7A0F16;
  --signal-glow:rgba(193,18,31,0.18);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--text-lo);
  font-family:'Space Grotesk', sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  letter-spacing:-0.01em;
}
a{color:inherit;}
.wrap{max-width:1100px;margin:0 auto;padding:0 32px;}
@media(max-width:600px){.wrap{padding:0 20px;}}

.grain{
  position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:repeating-linear-gradient(to bottom, rgba(255,255,255,0.018) 0px, rgba(255,255,255,0.018) 1px, transparent 1px, transparent 3px);
  opacity:0.5;
}

/* ---------- icons ---------- */
.ic{width:1em;height:1em;display:inline-block;vertical-align:-0.15em;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
.ic-lg{width:40px;height:40px;stroke-width:1.4;}
.ic-xl{width:64px;height:64px;stroke-width:1.2;}
.icon-tile{
  width:44px;height:44px;border:1px solid var(--line);border-radius:2px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--signal);
  background:var(--ink-2);flex-shrink:0;
}
.icon-tile .ic{width:22px;height:22px;}

/* ---------- nav ---------- */
nav.site{
  position:sticky;top:0;z-index:40;
  background:rgba(11,13,16,0.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
nav.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.mark{font-family:'Fraunces', serif;font-size:18px;font-weight:600;letter-spacing:0.01em;text-decoration:none;white-space:nowrap;}
.mark em{font-style:normal;color:var(--signal);}
.navlinks{display:none;gap:26px;font-size:14px;align-items:center;}
@media(min-width:860px){.navlinks{display:flex;}}
.navlinks a{text-decoration:none;color:var(--paper-dim);transition:color 0.15s ease;padding:6px 0;border-bottom:1px solid transparent;}
.navlinks a:hover, .navlinks a.active{color:var(--text-hi);}
.navlinks a.active{border-bottom-color:var(--signal);}
.navlinks a.nav-cta{
  color:var(--text-hi);border:1px solid var(--signal);padding:8px 14px;border-radius:2px;
}
.navlinks a.nav-cta:hover{background:var(--signal);}

.menu-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;border:1px solid var(--line);color:var(--text-lo);
  font-family:'Space Grotesk',sans-serif;font-size:13px;letter-spacing:0.04em;
  padding:8px 12px;border-radius:2px;cursor:pointer;
}
.menu-btn .ic{width:18px;height:18px;}
.menu-btn:hover{border-color:var(--paper-dim);}
@media(min-width:860px){nav.site .menu-btn{display:none;}}

.drawer{
  position:fixed;inset:0;z-index:50;display:none;
  background:rgba(11,13,16,0.97);
  overflow-y:auto;
}
.drawer.open{display:block;}
.drawer .wrap{padding-top:16px;padding-bottom:48px;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:28px;}
.drawer-group{border-top:1px solid var(--line);padding:22px 0;}
.drawer-group .kicker{margin-bottom:10px;}
.drawer a.dl{
  display:flex;align-items:center;gap:14px;
  text-decoration:none;color:var(--text-lo);
  padding:12px 0;font-size:17px;
}
.drawer a.dl .ic{width:20px;height:20px;color:var(--signal);}
.drawer a.dl small{display:block;font-size:13px;color:var(--paper-dim);}
.drawer a.dl.active{color:var(--text-hi);}
.drawer a.dl.active::after{content:'· here';font-size:12px;color:var(--signal);margin-left:auto;}
body.drawer-open{overflow:hidden;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;font-family:'Space Grotesk', sans-serif;
  font-size:14.5px;font-weight:500;text-decoration:none;
  border-radius:2px;cursor:pointer;border:1px solid transparent;
  transition:transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active{transform:scale(0.98);}
.btn-solid{background:var(--signal);color:var(--text-hi);}
.btn-solid:hover{background:#a80f1a;}
.btn-ghost{border-color:var(--line);color:var(--text-lo);background:transparent;}
.btn-ghost:hover{border-color:var(--paper-dim);}
.btn-sm{padding:9px 14px;font-size:13px;}

/* ---------- page header (non-hero, for subpages) ---------- */
.page-head{padding:64px 0 52px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.page-head .wrap{position:relative;z-index:2;}
.kicker{font-size:13px;color:var(--signal);margin-bottom:16px;}
.kicker a{color:inherit;text-decoration:none;border-bottom:1px solid var(--signal-dim);}
.kicker a:hover{color:var(--text-hi);}
.page-head h1{font-size:clamp(32px,5vw,54px);color:var(--text-hi);max-width:18ch;}
.page-head p.lede{margin-top:22px;max-width:56ch;font-size:16.5px;color:var(--paper-dim);}
.page-head.with-art .wrap{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media(min-width:900px){.page-head.with-art .wrap{grid-template-columns:1.4fr 1fr;}}
.head-art{display:flex;justify-content:center;color:var(--signal);opacity:0.95;}
.head-art svg{width:min(100%,300px);height:auto;}
@media(max-width:899px){.head-art svg{width:min(60%,220px);}}

/* crumbs */
.crumbs{font-size:13px;color:var(--paper-dim);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a{text-decoration:none;color:var(--paper-dim);}
.crumbs a:hover{color:var(--text-hi);}
.crumbs .sep{color:var(--line);}

section{padding:80px 0;border-bottom:1px solid var(--line);}
@media(max-width:600px){section{padding:56px 0;}}
section h2{font-size:clamp(26px,3.4vw,36px);color:var(--text-hi);max-width:20ch;margin-bottom:18px;}
section > .wrap > p.intro{max-width:60ch;color:var(--paper-dim);font-size:16px;margin-bottom:44px;}

/* ---------- jump list / chips ---------- */
.jump{
  display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;
  padding:4px 0 12px;margin-bottom:8px;scrollbar-width:thin;
}
.jump a{
  flex-shrink:0;text-decoration:none;font-size:13px;color:var(--paper-dim);
  border:1px solid var(--line);border-radius:999px;padding:7px 13px;white-space:nowrap;
  display:inline-flex;align-items:center;gap:7px;
}
.jump a .ic{width:14px;height:14px;color:var(--signal);}
.jump a:hover{color:var(--text-hi);border-color:var(--paper-dim);}
.jump a.adv{border-color:var(--signal-dim);}

/* ---------- card grid (explore / related) ---------- */
.cards{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr);}}
@media(min-width:960px){.cards.c3{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;gap:12px;
  border:1px solid var(--line);border-radius:2px;padding:22px;
  background:var(--ink-2);text-decoration:none;color:inherit;
  transition:border-color 0.15s ease, transform 0.15s ease;
}
.card:hover{border-color:var(--paper-dim);transform:translateY(-2px);}
.card h3{font-family:'Space Grotesk',sans-serif;font-size:16.5px;font-weight:500;color:var(--text-hi);}
.card p{font-size:14px;color:var(--paper-dim);}
.card .go{margin-top:auto;font-size:13px;color:var(--signal);display:inline-flex;align-items:center;gap:6px;}
.card .tag{font-size:11.5px;color:var(--signal);letter-spacing:0.06em;text-transform:uppercase;}
.card.adv{border-color:var(--signal-dim);}

/* ---------- shared flow diagram ---------- */
.flow{margin-top:40px;}
.flow-row{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:760px){.flow-row.of2{grid-template-columns:repeat(2,1fr);} .flow-row.of3{grid-template-columns:repeat(3,1fr);}}
.flow-node{border:1px solid var(--line);border-radius:2px;padding:18px 20px;background:var(--ink-2);}
.flow-node h4{font-family:'Space Grotesk',sans-serif;font-size:15px;font-weight:500;color:var(--text-hi);margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.flow-node h4 .ic{color:var(--signal);width:20px;height:20px;}
.flow-node p{font-size:13.5px;color:var(--paper-dim);}
.flow-node.hub{border-color:var(--paper-dim);}
.flow-node.hi, .flow-node.profile{border-color:var(--signal);background:rgba(193,18,31,0.08);}
.flow-node.hi h4, .flow-node.profile h4{color:var(--signal);}
.flow-arrow{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 0;font-size:12.5px;color:var(--paper-dim);text-align:center;}
.flow-arrow .glyph{font-family:'Space Grotesk',sans-serif;font-size:18px;color:var(--signal);line-height:1;}
.flow-arrow span.label{max-width:44ch;}

/* ---------- footer ---------- */
footer.site{padding:56px 0 40px;border-top:1px solid var(--line);}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:40px;}
@media(min-width:720px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;}}
.foot-brand p{font-size:13.5px;color:var(--paper-dim);margin-top:12px;max-width:34ch;}
.foot-col h4{font-family:'Space Grotesk',sans-serif;font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--signal);margin-bottom:12px;}
.foot-col a{display:block;text-decoration:none;font-size:14px;color:var(--paper-dim);padding:5px 0;}
.foot-col a:hover{color:var(--text-hi);}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--paper-dim);border-top:1px solid var(--line);padding-top:20px;}

/* ---------- motion ---------- */
@keyframes pulse-ring{0%{transform:scale(0.6);opacity:0.6;}100%{transform:scale(1.6);opacity:0;}}
@keyframes fade-up{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.reveal{animation:fade-up 0.5s ease both;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ---------- direct-link chips ---------- */
.links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center;}
.links .lbl{font-size:12px;color:var(--paper-dim);margin-right:2px;}
.links a{
  font-size:13px;color:var(--text-hi);text-decoration:none;
  border:1px solid var(--line);border-radius:999px;padding:6px 11px;
  display:inline-flex;gap:6px;align-items:center;background:var(--ink-2);
  transition:border-color 0.15s ease;
}
.links a::after{content:'\2197';color:var(--signal);font-size:11px;}
.links a:hover{border-color:var(--signal);}
.links-note{font-size:12.5px;color:var(--paper-dim);margin-top:8px;}

/* ---------- listen (text-to-speech) ---------- */
.listen{
  display:inline-flex;align-items:center;gap:7px;
  font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:500;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--signal);background:transparent;border:1px solid var(--signal-dim);border-radius:999px;
  padding:7px 12px;cursor:pointer;margin:0 0 16px;line-height:1;
}
.listen:hover{border-color:var(--signal);}
.listen.on{background:var(--signal);color:var(--text-hi);border-color:var(--signal);}
.listen .glyph{font-size:10px;}
.listen-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:45;display:none;
  background:rgba(11,13,16,0.96);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.listen-bar.on{display:block;}
.listen-bar .wrap{display:flex;align-items:center;gap:14px;height:56px;font-size:13px;color:var(--paper-dim);}
.listen-bar .now{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-hi);}
.listen-bar button{
  background:transparent;border:1px solid var(--line);color:var(--text-lo);border-radius:999px;
  padding:7px 12px;font-family:'Space Grotesk',sans-serif;font-size:12px;letter-spacing:0.06em;cursor:pointer;
}
.listen-bar button:hover{border-color:var(--paper-dim);}
body.listening{padding-bottom:56px;}

/* ---------- hook rails (short-attention layer) ---------- */
.hooks{padding:26px 0 6px;border-bottom:1px solid var(--line);}
.hooks .kicker{margin-bottom:12px;}
.rail{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:4px 0 14px;scrollbar-width:thin;}
.rail > *{scroll-snap-align:start;flex:0 0 78%;}
@media(min-width:640px){.rail > *{flex:0 0 46%;}}
@media(min-width:960px){.rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));overflow:visible;} .rail > *{flex:auto;}}
.hook{
  display:flex;flex-direction:column;gap:10px;padding:18px;min-height:150px;
  border:1px solid var(--line);border-radius:2px;background:var(--ink-2);
  text-decoration:none;color:inherit;transition:border-color 0.15s ease, transform 0.15s ease;
}
.hook:hover{border-color:var(--signal);transform:translateY(-2px);}
.hook .icon-tile{width:36px;height:36px;}
.hook .icon-tile .ic{width:18px;height:18px;}
.hook strong{font-family:'Fraunces',serif;font-weight:500;font-size:19px;line-height:1.2;color:var(--text-hi);}
.hook span{font-size:11.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--signal);margin-top:auto;display:inline-flex;align-items:center;gap:6px;}
.hook.go{border-color:var(--signal-dim);}

/* one-line takeaway above a block */
.tldr{font-size:17px;line-height:1.45;color:var(--text-hi);border-left:3px solid var(--signal);padding:4px 0 4px 14px;margin:0 0 22px;max-width:60ch;}
.tldr b{color:var(--signal);font-weight:500;letter-spacing:0.04em;}

/* keep exploring rail */
.explore{padding:52px 0 40px;border-top:1px solid var(--line);}
.explore .kicker{margin-bottom:12px;}
.explore h2{font-size:clamp(22px,3vw,28px);margin-bottom:18px;}

[id]{scroll-margin-top:84px;}

:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}