/* ==========================================================================
   Argentina 2027 — shared stylesheet
   Palette: South Atlantic. Deep gulf teal, steppe sand, pale bone ground.
   Type:    Instrument Serif (display) / Public Sans (body) / IBM Plex Mono (data)
   ========================================================================== */

:root{
  /* ---- light (default) ---- */
  --ground:      #FBFCFA;
  --surface:     #FFFFFF;
  --sunk:        #EEF2ED;
  --ink:         #111D1A;
  --ink-soft:    #55635E;
  --ink-faint:   #8A968F;
  --rule:        #DDE4DD;
  --rule-strong: #111D1A;

  --deep:        #0E3B3C;   /* brand, headers, dark bands */
  --surf:        #1F7A72;   /* links, accents on light */
  --surf-wash:   #E2EFEC;
  --ochre:       #B26A10;   /* the one warm accent, used sparingly */
  --ochre-wash:  #F6EAD7;

  --on-deep:     #EAF2EF;
  --on-deep-soft:#9FBAB6;

  --display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --body:    "Public Sans", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 66ch;
  --page:    1080px;
  --wide:    1320px;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:      #0A100F;
    --surface:     #111A18;
    --sunk:        #0E1615;
    --ink:         #E7EFEB;
    --ink-soft:    #9CADA7;
    --ink-faint:   #6E7D78;
    --rule:        #22302D;
    --rule-strong: #E7EFEB;

    --deep:        #0B2A2B;
    --surf:        #6FC4B9;
    --surf-wash:   #142B29;
    --ochre:       #D9A153;
    --ochre-wash:  #2C2417;

    --on-deep:     #E7EFEB;
    --on-deep-soft:#93AAA6;
  }
}

:root[data-theme="dark"]{
  --ground:      #0A100F;
  --surface:     #111A18;
  --sunk:        #0E1615;
  --ink:         #E7EFEB;
  --ink-soft:    #9CADA7;
  --ink-faint:   #6E7D78;
  --rule:        #22302D;
  --rule-strong: #E7EFEB;

  --deep:        #0B2A2B;
  --surf:        #6FC4B9;
  --surf-wash:   #142B29;
  --ochre:       #D9A153;
  --ochre-wash:  #2C2417;

  --on-deep:     #E7EFEB;
  --on-deep-soft:#93AAA6;
}

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

html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

body{
  margin:0;
  background:var(--ground);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:var(--surf);}
:focus-visible{outline:2px solid var(--ochre);outline-offset:3px;border-radius:2px;}

/* ---------- shell ---------- */
.shell{width:100%;max-width:var(--page);margin-inline:auto;padding-inline:22px;}
.shell-wide{width:100%;max-width:var(--wide);margin-inline:auto;padding-inline:22px;}

/* ---------- masthead nav ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:var(--ground); /* fallback for browsers without color-mix */
  background:color-mix(in srgb, var(--ground) 94%, transparent);
  backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--rule);
}
.topbar-in{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;
}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink);}
.brand-mark{
  font-family:var(--display);font-size:1.32rem;line-height:1;letter-spacing:.01em;
}
.brand-sub{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-faint);
}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-soft);text-decoration:none;padding:7px 10px;border-radius:2px;
}
.nav a:hover{color:var(--ink);background:var(--sunk);}
.nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ochre);}
.navtoggle{
  display:none;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  background:none;border:1px solid var(--rule);color:var(--ink);padding:8px 12px;border-radius:2px;cursor:pointer;
}
@media (max-width:840px){
  .navtoggle{display:block;}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--surface);border-bottom:1px solid var(--rule);padding:8px 22px 16px;
  }
  .nav.open{display:flex;}
  .nav a{padding:12px 2px;border-bottom:1px solid var(--rule);}
  .nav a:last-child{border-bottom:0;}
  .topbar-in{position:relative;}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--deep);color:var(--on-deep);overflow:hidden;}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.46;filter:saturate(.92);
}
.hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(9,32,33,.72) 0%, rgba(9,32,33,.34) 45%, rgba(9,32,33,.88) 100%);
}
.hero-in{position:relative;padding-block:clamp(56px,11vw,130px);display:flex;flex-direction:column;gap:20px;}
.hero.tall .hero-in{padding-block:clamp(80px,15vw,170px);}
.kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--on-deep-soft);margin:0;
}
.hero h1{
  font-family:var(--display);font-weight:400;
  font-size:clamp(2.6rem,7.4vw,5.3rem);line-height:.98;letter-spacing:-.015em;
  margin:0;text-wrap:balance;max-width:16ch;
}
.hero p.lede{
  margin:0;max-width:56ch;font-size:clamp(1.02rem,1.5vw,1.22rem);
  color:var(--on-deep);opacity:.92;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:6px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--on-deep-soft);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:5px;height:5px;background:var(--ochre);border-radius:50%;}
.credit{
  position:relative;font-family:var(--mono);font-size:10px;letter-spacing:.06em;
  color:var(--on-deep-soft);opacity:.7;padding-bottom:14px;margin:0;
}

/* ---------- section furniture ---------- */
.band{padding-block:clamp(48px,7vw,88px);}
.band.tint{background:var(--sunk);}
.band.deep{background:var(--deep);color:var(--on-deep);}
.band.deep h2,.band.deep h3{color:var(--on-deep);}
.band.deep p{color:var(--on-deep);opacity:.9;}
.band.deep .eyebrow{color:var(--on-deep-soft);}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ochre);margin:0 0 12px;
}
h2{
  font-family:var(--display);font-weight:400;
  font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.08;letter-spacing:-.012em;
  margin:0 0 16px;text-wrap:balance;max-width:20ch;
}
h3{
  font-family:var(--display);font-weight:400;
  font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.15;letter-spacing:-.01em;margin:0 0 10px;
}
h4{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-faint);margin:0 0 10px;font-weight:500;
}
p{margin:0 0 1.05em;max-width:var(--measure);}
p:last-child{margin-bottom:0;}
.lead{font-size:1.14rem;color:var(--ink-soft);}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(26px,5vw,64px);align-items:center;}
.split.text-first{align-items:start;}
@media (max-width:800px){.split{grid-template-columns:1fr;}}

/* ---------- figures & galleries ---------- */
figure{margin:0;}
.plate{position:relative;}
.plate img{width:100%;height:100%;object-fit:cover;background:var(--sunk);}
.plate.tallish img{aspect-ratio:4/5;}
.plate.wide img{aspect-ratio:16/9;}
.plate.square img{aspect-ratio:1/1;}
figcaption{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-faint);
  margin-top:9px;line-height:1.45;
}
.band.deep figcaption{color:var(--on-deep-soft);}

.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;}

.fullbleed{width:100%;}
.fullbleed img{width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--sunk);}
@media (max-width:700px){.fullbleed img{aspect-ratio:3/2;}}

/* image fallback when a remote photo fails */
img.failed{
  background:linear-gradient(135deg,var(--surf-wash),var(--sunk));
  min-height:180px;
}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.card{
  background:var(--surface);border:1px solid var(--rule);border-radius:3px;
  overflow:hidden;display:flex;flex-direction:column;
}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%;background:var(--sunk);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body p{font-size:.97rem;color:var(--ink-soft);}
.card .more{
  margin-top:auto;padding-top:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  text-decoration:none;color:var(--surf);
}
.card .more::after{content:" \2192";}

/* ---------- data list ---------- */
.facts{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:3px;overflow:hidden;
}
.fact{background:var(--surface);padding:16px 18px;display:flex;flex-direction:column;gap:3px;}
.fact dt{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint);}
.fact dd{margin:0;font-family:var(--display);font-size:1.3rem;line-height:1.15;}
.fact dd small{display:block;font-family:var(--body);font-size:.82rem;color:var(--ink-soft);line-height:1.4;margin-top:2px;}

/* ---------- tables ---------- */
.scroller{overflow-x:auto;border:1px solid var(--rule);border-radius:3px;background:var(--surface);}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:.94rem;}
thead th{
  text-align:left;background:var(--sunk);color:var(--ink-faint);
  font-family:var(--mono);font-weight:500;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:12px 15px;border-bottom:1px solid var(--rule);white-space:nowrap;
}
tbody td{padding:14px 15px;border-bottom:1px solid var(--rule);vertical-align:top;}
tbody tr:last-child td{border-bottom:0;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- itinerary rail ---------- */
.rail{display:flex;flex-direction:column;}
.day{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:clamp(18px,3vw,34px);
  padding-block:26px;border-top:1px solid var(--rule);
}
.day:first-child{border-top:0;}
.day-key{display:flex;flex-direction:column;gap:1px;}
.day-n{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-faint);}
.day-d{font-family:var(--display);font-size:1.9rem;line-height:1;letter-spacing:-.02em;}
.day-w{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);}
.day-main{display:flex;flex-direction:column;gap:12px;}
.where{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ochre);}
.moves{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:7px;}
.moves li{padding-left:20px;position:relative;font-size:1rem;}
.moves li::before{
  content:"";position:absolute;left:2px;top:.62em;width:8px;height:1px;background:var(--surf);
}
.moves li.head{font-family:var(--display);font-size:1.3rem;line-height:1.25;padding-left:0;}
.moves li.head::before{display:none;}
.note{
  font-size:.95rem;color:var(--ink-soft);border-left:2px solid var(--surf);
  padding:1px 0 1px 15px;margin:0;max-width:var(--measure);
}
.chips{display:flex;flex-wrap:wrap;gap:6px;}
.chip{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border-radius:2px;background:var(--surf-wash);color:var(--surf);
}
.chip.warm{background:var(--ochre-wash);color:var(--ochre);}
.day-figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:2px;}
.day-figs img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--sunk);border-radius:2px;}
@media (max-width:620px){
  .day{grid-template-columns:1fr;gap:10px;}
  .day-key{flex-direction:row;align-items:baseline;gap:10px;}
}

/* ---------- panels / lists ---------- */
.panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px;}
.panel{background:var(--surface);border:1px solid var(--rule);border-radius:3px;padding:22px 24px;}
.panel.quiet{background:var(--sunk);}
.panel ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:7px;font-size:.97rem;}
.ticks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.ticks li{padding-left:22px;position:relative;font-size:.98rem;}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:1px;background:var(--ochre);}

/* ---------- wildlife strip ---------- */
.specimens{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;}
.specimen{display:flex;flex-direction:column;gap:9px;}
.specimen img{aspect-ratio:1/1;object-fit:cover;border-radius:50%;width:100%;background:var(--sunk);}
.specimen .sp-name{font-family:var(--display);font-size:1.18rem;line-height:1.2;}
.specimen .sp-lat{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--ink-faint);font-style:normal;}
.specimen p{font-size:.9rem;color:var(--ink-soft);margin:0;}
.band.deep .specimen p{color:var(--on-deep);opacity:.82;}
.band.deep .specimen .sp-lat{color:var(--on-deep-soft);}

/* ---------- callout / CTA ---------- */
.callout{
  border:1px solid var(--rule);border-left:3px solid var(--ochre);
  background:var(--surface);padding:20px 24px;border-radius:2px;
}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.btn{
  display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  padding:13px 22px;border-radius:2px;text-decoration:none;
  background:var(--rule-strong);color:var(--ground);border:1px solid var(--rule-strong);
}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--rule);}
.band.deep .btn{background:var(--on-deep);color:var(--deep);border-color:var(--on-deep);}
.band.deep .btn.ghost{background:transparent;color:var(--on-deep);border-color:var(--on-deep-soft);}

/* ---------- next/prev ---------- */
.pager{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--rule);border-block:1px solid var(--rule);}
.pager a{
  background:var(--ground);padding:26px 24px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:5px;
}
.pager a:hover{background:var(--sunk);}
.pager .pg-l{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint);}
.pager .pg-t{font-family:var(--display);font-size:1.4rem;line-height:1.15;}

/* ---------- footer ---------- */
footer.site{background:var(--deep);color:var(--on-deep);padding-block:44px 38px;}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;}
footer.site h4{color:var(--on-deep-soft);}
footer.site a{color:var(--on-deep);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.18);}
footer.site a:hover{border-bottom-color:var(--on-deep);}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.95rem;}
.colophon{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;color:var(--on-deep-soft);line-height:1.7;
}

/* ---------- misc ---------- */
.stack{display:flex;flex-direction:column;gap:clamp(26px,4vw,44px);}
.stack-sm{display:flex;flex-direction:column;gap:16px;}
.rule{height:1px;background:var(--rule);border:0;margin:0;}
.center-measure{max-width:var(--measure);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}