/* ============================================================
   PALEO RUNNERS — manifesto
   Palette: limestone paper, olive-black ink, honey accent.
   Type: Bricolage Grotesque (display) / Newsreader (body) / IBM Plex Mono (spec)
   ============================================================ */

:root{
  --paper:#E6E2D5;
  --paper-deep:#DBD6C6;
  --ink:#16180F;
  --shade:#6B6E5A;
  --honey:#C8901E;
  --honey-bright:#E4B23C;
  --night:#1B1E15;

  --measure:34rem;
  --rail:14rem;
  --step:clamp(1.05rem,0.98rem + 0.32vw,1.19rem);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Newsreader",Georgia,serif;
  font-size:var(--step);
  line-height:1.62;
  font-variant-numeric:oldstyle-nums;
  -webkit-font-smoothing:antialiased;
}

/* ---------- masthead ---------- */

.masthead{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;
  padding:.7rem clamp(1rem,4vw,2.5rem);
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid color-mix(in srgb,var(--ink) 14%,transparent);
}

.wordmark{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:800;font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;
  text-decoration:none;color:var(--ink);
}
.wordmark span{color:var(--honey)}

.here{
  flex:1;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--shade);
  text-align:center;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
@media (min-width:1080px){.here{display:none}}

.langs{
  display:flex;gap:.15rem;align-items:center;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.66rem;letter-spacing:.1em;
}
.langs a{
  color:var(--shade);text-decoration:none;
  padding:.22rem .42rem;border-radius:2px;
}
.langs a[aria-current="true"]{color:var(--ink);background:var(--paper-deep)}
.langs a:hover{color:var(--honey)}

/* ---------- destination rail (signature) ---------- */

.rail{display:none}

@media (min-width:1080px){
  .rail{
    display:block;
    position:fixed;top:6.5rem;left:clamp(1rem,3.2vw,3rem);
    width:var(--rail);
    z-index:30;
  }
  .rail-label{
    font-family:"IBM Plex Mono",ui-monospace,monospace;
    font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;
    color:var(--shade);
    padding-bottom:.7rem;margin-bottom:.7rem;
    border-bottom:1px solid color-mix(in srgb,var(--ink) 18%,transparent);
  }
  .rail ol{list-style:none;margin:0;padding:0}
  .rail li{margin:0}
  .rail a{
    display:flex;align-items:baseline;gap:.55rem;
    padding:.26rem 0;
    font-family:"IBM Plex Mono",ui-monospace,monospace;
    font-size:.68rem;letter-spacing:.03em;
    color:var(--shade);text-decoration:none;
    transition:color .25s ease;
  }
  .rail a::before{
    content:"—";
    color:color-mix(in srgb,var(--ink) 26%,transparent);
    transition:color .25s ease,content .1s;
  }
  .rail a:hover{color:var(--ink)}
  .rail a.reached{color:color-mix(in srgb,var(--ink) 72%,transparent)}
  .rail a.reached::before{content:"×";color:var(--honey)}
  .rail a.at{color:var(--ink)}
  .rail a.at::before{content:"×";color:var(--honey)}
  .rail-foot{
    margin-top:.9rem;padding-top:.7rem;
    border-top:1px solid color-mix(in srgb,var(--ink) 18%,transparent);
    font-family:"IBM Plex Mono",ui-monospace,monospace;
    font-size:.58rem;letter-spacing:.06em;color:var(--shade);
    line-height:1.5;
  }
}

/* ---------- layout ---------- */

.sheet{
  max-width:var(--measure);
  margin:0 auto;
  padding:0 clamp(1.1rem,5vw,2rem) 6rem;
}
@media (min-width:1080px){
  .sheet{margin-left:calc(var(--rail) + clamp(1rem,3.2vw,3rem) + 4rem);margin-right:auto}
}
@media (min-width:1500px){
  .sheet{margin-left:auto;margin-right:auto}
}

/* ---------- hero ---------- */

.hero{padding:clamp(3.5rem,11vh,7rem) 0 2.2rem}

.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--shade);
  margin:0 0 1.4rem;
}

.hero h1{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:800;
  font-size:clamp(2.6rem,8.5vw,4.4rem);
  line-height:.94;
  letter-spacing:-.025em;
  margin:0 0 1.1rem;
  text-wrap:balance;
}
.hero h1 em{font-style:normal;color:var(--honey);display:block}

.standfirst{
  font-size:1.16em;
  color:color-mix(in srgb,var(--ink) 82%,transparent);
  margin:0;
  max-width:30rem;
}

/* ---------- tl;dr ---------- */

.tldr{
  background:var(--night);
  color:#DAD6C8;
  margin:2.6rem 0 4rem;
  padding:clamp(1.6rem,5vw,2.4rem);
  border-radius:3px;
}
.tldr .eyebrow{color:var(--honey-bright);margin-bottom:1.1rem}
.tldr p{margin:0 0 1rem}
.tldr p:last-child{margin-bottom:0}
.tldr strong{color:#fff;font-weight:600}
.tldr .three{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-size:1.06rem;line-height:1.45;font-weight:600;
  color:var(--honey-bright);
  border-left:2px solid var(--honey);
  padding-left:1rem;margin:1.5rem 0;
}
.tldr .three strong{color:var(--honey-bright);font-weight:800}
.tldr .fine{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.66rem;line-height:1.6;letter-spacing:.02em;
  color:#8C8F7C;
  margin-top:1.6rem;padding-top:1.1rem;
  border-top:1px solid #33362A;
}

/* ---------- sections ---------- */

.chapter{padding:3.4rem 0 0;scroll-margin-top:4.5rem}

.chapter > h2{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:800;
  font-size:clamp(1.9rem,5.4vw,2.7rem);
  line-height:1.02;letter-spacing:-.02em;
  margin:0 0 1.6rem;
  text-wrap:balance;
}

.num{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--honey);
  display:block;margin-bottom:.75rem;
}
.num i{font-style:normal;color:var(--shade)}

.part{
  margin:5.5rem 0 0;
  padding-top:1.1rem;
  border-top:2px solid var(--ink);
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink);
}

.chapter h3{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:700;font-size:1.2rem;letter-spacing:-.005em;
  margin:2.4rem 0 .8rem;
}

p{margin:0 0 1.15rem}

.lede{font-size:1.1em}

strong{font-weight:650}
em{font-style:italic}

.kicker{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:700;font-size:1.1em;line-height:1.35;
  margin:1.8rem 0;
}

.src{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.86em;color:var(--shade);
  font-variant-numeric:lining-nums;
}
a.ref{
  color:var(--shade);text-decoration:none;
  border-bottom:1px solid color-mix(in srgb,var(--honey) 55%,transparent);
  padding-bottom:1px;
}
a.ref:hover{color:var(--honey)}

/* ---------- quote ---------- */

.quote{
  margin:2.8rem 0;
  padding:0 0 0 1.2rem;
  border-left:3px solid var(--honey);
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:700;
  font-size:clamp(1.25rem,3.6vw,1.6rem);
  line-height:1.2;letter-spacing:-.015em;
  text-wrap:balance;
}

/* ---------- boxes ---------- */

.box{
  margin:2.4rem 0;
  padding:1.35rem 1.5rem;
  background:var(--paper-deep);
  border-radius:3px;
  font-size:.95em;
}
.box .eyebrow{margin-bottom:.7rem}
.box p:last-child{margin-bottom:0}

.warn{
  border-left:3px solid var(--honey);
  background:color-mix(in srgb,var(--honey) 11%,var(--paper));
}

/* ---------- rites ---------- */

.rite{
  margin:1.9rem 0;
  padding-left:1.1rem;
  border-left:1px solid color-mix(in srgb,var(--ink) 22%,transparent);
}
.rite h4{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:700;font-size:1.02rem;
  margin:0 0 .45rem;
}
.rite p{margin:0}

/* ---------- footer ---------- */

.foot{
  margin-top:5rem;padding:2.4rem 0 0;
  border-top:1px solid color-mix(in srgb,var(--ink) 22%,transparent);
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.68rem;line-height:1.75;letter-spacing:.02em;
  color:var(--shade);
}
.foot a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--honey)}
.foot a:hover{color:var(--honey)}
.foot p{margin:0 0 .55rem}

/* ---------- sources page ---------- */

.entry{
  margin:0 0 2.4rem;
  padding-top:1.4rem;
  border-top:1px solid color-mix(in srgb,var(--ink) 18%,transparent);
}
.entry h3{
  font-family:"Bricolage Grotesque",system-ui,sans-serif;
  font-weight:700;font-size:1.05rem;line-height:1.3;
  margin:0 0 .6rem;
}
.entry p{font-size:.96em;margin:0 0 .8rem}
.entry ul{margin:0 0 .9rem;padding-left:1.1rem;font-size:.94em}
.entry li{margin:0 0 .5rem}
.limit{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.72rem;line-height:1.6;letter-spacing:.01em;
  color:var(--shade);
  padding-left:.9rem;
  border-left:2px solid color-mix(in srgb,var(--honey) 65%,transparent);
}

.back{
  display:inline-block;margin-top:.4rem;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--shade);text-decoration:none;
}
.back:hover{color:var(--honey)}

/* ---------- section nav (second row) ---------- */

.masthead{flex-wrap:wrap}

.sections{
  order:3;
  flex-basis:100%;
  display:flex;gap:1.1rem;align-items:center;
  margin-top:.5rem;padding-top:.5rem;
  border-top:1px solid color-mix(in srgb,var(--ink) 10%,transparent);
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.sections::-webkit-scrollbar{display:none}
.sections a{
  color:var(--shade);text-decoration:none;white-space:nowrap;
  padding-bottom:2px;border-bottom:1px solid transparent;
}
.sections a:hover{color:var(--ink)}
.sections a[aria-current="page"]{
  color:var(--ink);border-bottom-color:var(--honey);
}

/* label per tipo di provvista */
.tag{
  display:inline-block;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--honey);
  border:1px solid color-mix(in srgb,var(--honey) 45%,transparent);
  border-radius:2px;padding:.18rem .45rem;
  margin-left:.4rem;vertical-align:.12em;
}

/* ---------- contact ---------- */

.contact{margin:.2rem 0 .9rem}
.contact a.mail{
  color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--honey);
  font-variant-numeric:lining-nums;
}
.contact a.mail:hover{color:var(--honey)}
.contact .plain{color:var(--ink)}

:focus-visible{outline:2px solid var(--honey);outline-offset:3px}