/* 69° NORTH — polar expedition voyages ------------------------------------ */
:root{
  --night-0:#050b17;
  --night-1:#081120;
  --night-2:#0d1a2e;
  --night-3:#122238;
  --line:rgba(203,222,242,.14);
  --line-soft:rgba(203,222,242,.08);
  --ice:#dfeaf6;
  --ice-dim:#93a7c0;
  --ice-faint:#5f7391;
  --orange:#ff7b3d;
  --orange-deep:#e5601f;
  --aurora-g:#57e6a4;
  --aurora-v:#8f7bff;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Archivo",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--night-0);
  color:var(--ice);
  font-family:var(--sans);
  font-size:1rem;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(255,123,61,.35);color:#fff}
a{color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}

/* type helpers */
.label{
  font-family:var(--sans);font-variation-settings:"wdth" 118;font-weight:700;
  font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ice-dim);
}
.coords{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--ice-faint)}
.serif-display{font-family:var(--serif);font-optical-sizing:auto;font-weight:340;letter-spacing:-.01em}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem clamp(1.2rem,4vw,3rem);
  transition:background .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(5,11,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line-soft);padding-block:.75rem}
.brand{display:flex;align-items:baseline;gap:.6rem;text-decoration:none}
.brand b{font-family:var(--serif);font-weight:500;font-size:1.15rem;letter-spacing:.04em;white-space:nowrap}
.brand span{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;color:var(--ice-faint)}
.nav-links{display:flex;gap:1.8rem;align-items:center;list-style:none}
.nav-links a{
  text-decoration:none;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  font-variation-settings:"wdth" 112;font-weight:500;color:var(--ice-dim);transition:color .25s;
}
.nav-links a:hover{color:var(--ice)}
.btn{
  display:inline-block;text-decoration:none;cursor:pointer;
  font-family:var(--sans);font-variation-settings:"wdth" 114;font-weight:700;
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:#0b0d12;background:var(--orange);
  padding:.85rem 1.5rem;border:1px solid var(--orange);border-radius:2px;
  transition:background .25s,color .25s,box-shadow .25s;
  position:relative;overflow:hidden;
}
.btn:hover{background:var(--orange-deep);border-color:var(--orange-deep);box-shadow:0 0 32px rgba(255,123,61,.35)}
.btn.ghost{background:transparent;color:var(--ice);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ice-dim);box-shadow:none;background:rgba(223,234,246,.05)}
.nav .btn{padding:.6rem 1.1rem}
.nav-links a.btn{color:#0b0d12;white-space:nowrap}
.nav-links a.btn:hover{color:#0b0d12}

/* ---------- hero ---------- */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden}
#sky{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::before{
  content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(5,11,23,.5),transparent 16%),
    linear-gradient(180deg,transparent 46%,rgba(5,11,23,.34) 80%,rgba(5,11,23,.62));
}
.hero-inner{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 clamp(1.2rem,4vw,3rem) clamp(4.5rem,9vh,7rem);
  max-width:1160px;
}
.hero .coords{display:block;margin-bottom:1.1rem;color:rgba(190,210,235,.75)}
.hero h1{
  font-family:var(--serif);font-weight:320;font-optical-sizing:auto;
  font-size:clamp(2.7rem,7.2vw,6.2rem);line-height:1.02;letter-spacing:-.015em;
  max-width:12ch;text-shadow:0 2px 40px rgba(3,8,18,.8);
}
.hero h1 em{font-style:italic;font-weight:360}
.hero-sub{
  margin-top:1.4rem;max-width:44ch;font-size:clamp(.95rem,1.25vw,1.08rem);
  color:var(--ice-dim);text-shadow:0 1px 20px rgba(3,8,18,.9);
}
.hero-cta{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-note{
  position:absolute;right:clamp(1.2rem,4vw,3rem);bottom:1.4rem;z-index:2;
  font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:rgba(147,167,192,.62);
  max-width:30ch;text-align:right;line-height:1.7;
}
.hero-ticker{
  position:absolute;left:clamp(1.2rem,4vw,3rem);bottom:1.4rem;z-index:2;
  display:flex;gap:.7rem;align-items:center;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--ice-dim);
}
.hero-ticker .dot{width:6px;height:6px;border-radius:50%;background:var(--aurora-g);box-shadow:0 0 10px var(--aurora-g);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}

/* orchestrated hero load */
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.hero .coords{animation:rise .9s .25s cubic-bezier(.22,.8,.3,1) both}
.hero h1{animation:rise 1.1s .4s cubic-bezier(.22,.8,.3,1) both}
.hero-sub{animation:rise 1.1s .6s cubic-bezier(.22,.8,.3,1) both}
.hero-cta{animation:rise 1.1s .8s cubic-bezier(.22,.8,.3,1) both}
.hero-ticker{animation:fadein 1.2s 1.5s both}
.hero-note{animation:fadein 1.2s 1.9s both}
@media (prefers-reduced-motion:reduce){
  .hero .coords,.hero h1,.hero-sub,.hero-cta,.hero-ticker,.hero-note{animation:none}
  .hero-ticker .dot{animation:none}
}

/* CTA sheen */
.btn::after{
  content:'';position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.38),transparent);
  transform:skewX(-18deg);transition:left .55s ease;
}
.btn:hover::after{left:125%}
@media (prefers-reduced-motion:reduce){.btn::after{display:none}}

/* ---------- shared section chrome ---------- */
.section{padding:clamp(5rem,11vh,8.5rem) clamp(1.2rem,4vw,3rem);position:relative}
.wrap{max-width:1160px;margin:0 auto}
.sec-head{margin-bottom:clamp(2.5rem,5vw,4rem)}
.sec-head .coords{display:block;margin-bottom:.9rem}
.sec-head h2{
  font-family:var(--serif);font-weight:340;font-size:clamp(1.9rem,3.6vw,3.1rem);
  line-height:1.1;letter-spacing:-.01em;max-width:22ch;
}
.sec-head .label{display:block;margin-bottom:1rem}
.rule{border:0;border-top:1px solid var(--line);margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.22,.8,.3,1),transform .9s cubic-bezier(.22,.8,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- manifesto ---------- */
.manifesto{background:linear-gradient(var(--night-0),var(--night-1))}
.manifesto-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.manifesto h2{
  font-family:var(--serif);font-weight:330;font-size:clamp(1.9rem,3.4vw,3rem);
  line-height:1.15;letter-spacing:-.01em;
}
.manifesto h2 em{font-style:italic;color:var(--ice)}
.manifesto p{color:var(--ice-dim);margin-top:1.4rem;max-width:52ch}
.manifesto p strong{color:var(--ice);font-weight:600}
.ship-plate{
  border:1px solid var(--line);border-radius:3px;padding:1.6rem 1.5rem;
  background:linear-gradient(160deg,var(--night-2),var(--night-1));
}
.ship-plate .label{color:var(--orange)}
.ship-plate h3{font-family:var(--serif);font-weight:400;font-size:1.5rem;margin:.6rem 0 .3rem}
.ship-plate .coords{display:block;margin-bottom:1rem}
.ship-plate dl{display:grid;grid-template-columns:1fr 1fr;gap:.9rem 1.2rem;margin-top:1.2rem}
.ship-plate dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-faint)}
.ship-plate dd{font-size:.92rem;color:var(--ice);margin-top:.15rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border-block:1px solid var(--line);margin-top:clamp(3rem,6vw,5rem)}
.stat{background:var(--night-0);padding:1.6rem 1.4rem}
.stat b{font-family:var(--serif);font-weight:350;font-size:clamp(1.7rem,2.6vw,2.3rem);display:block;letter-spacing:-.01em}
.stat b sup{font-size:.5em;color:var(--ice-dim)}
.stat span{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-faint);display:block;margin-top:.5rem}

/* ---------- voyage / chart ---------- */
.voyage{background:var(--night-1)}
.voyage-grid{display:grid;grid-template-columns:minmax(0,11fr) minmax(0,9fr);gap:clamp(2rem,5vw,4.5rem);align-items:start}
.chart-sticky{position:sticky;top:5.5rem}
.chart-frame{
  border:1px solid var(--line);border-radius:3px;overflow:hidden;
  background:radial-gradient(120% 100% at 30% 0%,var(--night-3),var(--night-1) 70%);
}
.chart-frame svg{display:block;width:100%;height:auto}
.chart-caption{
  display:flex;justify-content:space-between;gap:1rem;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;color:var(--ice-faint);
  padding:.7rem .9rem;border-top:1px solid var(--line-soft);
}
/* chart svg internals */
.ch-land{fill:#101f35;stroke:rgba(203,222,242,.34);stroke-width:1}
.ch-grat{stroke:rgba(203,222,242,.12);stroke-width:1;stroke-dasharray:2 5}
.ch-grat-label,.ch-depth{font-family:var(--mono);font-size:10px;fill:rgba(147,167,192,.55);letter-spacing:.08em}
.ch-depth{font-size:9px;fill:rgba(147,167,192,.42);font-style:italic}
.ch-route-base{fill:none;stroke:rgba(203,222,242,.15);stroke-width:1.5;stroke-dasharray:3 6}
.ch-route{fill:none;stroke:var(--orange);stroke-width:2;stroke-linecap:round;filter:drop-shadow(0 0 5px rgba(255,123,61,.55))}
.ch-mark circle{fill:var(--night-1);stroke:var(--ice-dim);stroke-width:1.5;transition:stroke .3s,fill .3s}
.ch-mark text{font-family:var(--mono);font-size:10.5px;fill:var(--ice-dim);letter-spacing:.1em;transition:fill .3s}
.ch-mark .ch-halo{fill:none;stroke:var(--orange);stroke-width:1;opacity:0}
.ch-mark.active circle:not(.ch-halo){fill:var(--orange);stroke:var(--orange)}
.ch-mark.active text{fill:var(--ice)}
.ch-mark.active .ch-halo{opacity:1;animation:halo 2.4s ease-out infinite}
@keyframes halo{0%{r:6;opacity:.8}100%{r:16;opacity:0}}
@media (prefers-reduced-motion:reduce){.ch-mark.active .ch-halo{animation:none;opacity:.6;r:10}}
.ch-vessel{fill:var(--orange);filter:drop-shadow(0 0 6px rgba(255,123,61,.8))}
.ch-note{font-family:var(--mono);font-size:9px;fill:rgba(147,167,192,.5);letter-spacing:.14em}
.ch-title text{font-family:var(--mono);letter-spacing:.14em;fill:var(--ice-dim)}

/* voyage log entries */
.log{display:flex;flex-direction:column}
.log-day{padding:clamp(1.8rem,3vw,2.6rem) 0;border-top:1px solid var(--line-soft);transition:opacity .5s}
.log-day:first-child{border-top:0;padding-top:.4rem}
.log-day .day-row{display:flex;align-items:baseline;gap:1rem;margin-bottom:.7rem}
.log-day .day-num{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;color:var(--orange);
  border:1px solid rgba(255,123,61,.4);border-radius:2px;padding:.2rem .5rem;white-space:nowrap;
}
.log-day h3{font-family:var(--serif);font-weight:380;font-size:clamp(1.25rem,1.9vw,1.6rem);letter-spacing:-.005em}
.log-day .coords{display:block;margin-bottom:.8rem}
.log-day p{color:var(--ice-dim);font-size:.95rem;max-width:52ch}
.log-day .sky-note{
  margin-top:1rem;padding-left:1rem;border-left:2px solid rgba(87,230,164,.35);
  font-size:.84rem;color:var(--ice-dim);
}
.log-day .sky-note b{color:var(--aurora-g);font-family:var(--mono);font-weight:500;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;display:block;margin-bottom:.25rem}
.log-day{opacity:.45}
.log-day.active{opacity:1}
@media (prefers-reduced-motion:reduce){.log-day{opacity:1}}

/* ---------- cabins ---------- */
.cabins{background:linear-gradient(var(--night-1),var(--night-0))}
.cabin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.cabin{
  position:relative;border:1px solid var(--line);border-radius:3px;
  background:linear-gradient(165deg,var(--night-2) 0%,var(--night-1) 60%);
  padding:1.7rem 1.6rem 1.5rem;display:flex;flex-direction:column;
  transition:transform .4s cubic-bezier(.22,.8,.3,1),border-color .4s,box-shadow .4s;
}
.cabin:hover{transform:translateY(-5px);border-color:rgba(255,123,61,.45);box-shadow:0 18px 50px rgba(2,6,14,.6)}
.cabin .tick{position:absolute;width:9px;height:9px;border-color:var(--ice-faint);border-style:solid;border-width:0}
.cabin .tick.tl{top:6px;left:6px;border-top-width:1px;border-left-width:1px}
.cabin .tick.br{bottom:6px;right:6px;border-bottom-width:1px;border-right-width:1px}
.cabin .cab-no{font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;color:var(--ice-faint);display:flex;justify-content:space-between;margin-bottom:.9rem}
.cab-map{display:block;width:140px;height:32px;margin-bottom:1rem;opacity:.9}
.cab-map .hull{fill:none;stroke:rgba(147,167,192,.55);stroke-width:1.2}
.cab-map .zone{fill:var(--orange);opacity:.85}
.cab-map text{font-family:var(--mono);font-size:7px;fill:var(--ice-faint);letter-spacing:.1em}
.cabin h3{font-family:var(--serif);font-weight:390;font-size:1.45rem;margin-bottom:.4rem}
.cabin .cab-desc{font-size:.86rem;color:var(--ice-dim);margin-bottom:1.3rem;max-width:34ch}
.cabin dl{display:grid;grid-template-columns:1fr 1fr;gap:.8rem 1rem;margin-bottom:1.4rem}
.cabin dt{font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-faint)}
.cabin dd{font-size:.88rem;margin-top:.1rem}
.cabin .cab-price{
  margin-top:auto;padding-top:1.2rem;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;align-items:baseline;
}
.cabin .cab-price b{font-family:var(--serif);font-weight:420;font-size:1.4rem}
.cabin .cab-price b small{font-size:.6em;color:var(--ice-dim);font-family:var(--sans);font-weight:400}
.cabin .avail{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;color:var(--aurora-g)}
.cabin .avail.low{color:var(--orange)}

/* ---------- notes ---------- */
.notes{background:var(--night-0)}
.notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.note{padding:2rem 1.9rem;border-top:1px solid var(--line-soft)}
.note:nth-child(odd){border-right:1px solid var(--line-soft)}
.note:nth-child(-n+2){border-top:0}
.note .label{color:var(--orange);margin-bottom:.8rem;display:block}
.note h3{font-family:var(--serif);font-weight:390;font-size:1.3rem;margin-bottom:.7rem}
.note p{font-size:.9rem;color:var(--ice-dim);max-width:48ch}

/* ---------- booking ---------- */
.book{background:linear-gradient(var(--night-0) 0%,#071224 45%,#0a1a30 100%);overflow:hidden;position:relative}
.book-panel{
  position:relative;border:1px solid var(--line);border-radius:4px;
  background:rgba(8,17,32,.72);backdrop-filter:blur(6px);
  padding:clamp(2.2rem,5vw,3.6rem);
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(2rem,5vw,4rem);
}
.book-panel h2{font-family:var(--serif);font-weight:330;font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.012em}
.book-panel .coords{display:block;margin:1rem 0 1.4rem}
.book-panel p{color:var(--ice-dim);max-width:46ch}
.book-facts{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.book-facts .fact{display:flex;justify-content:space-between;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--line-soft);font-size:.9rem}
.book-facts .fact span{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-faint);padding-top:.2rem}
.book-facts .fact b{font-weight:500;text-align:right}
.book-cta{margin-top:1.6rem;display:flex;flex-direction:column;gap:.8rem;align-items:flex-start}
.book-cta .fineprint{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:var(--ice-faint)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:2.6rem clamp(1.2rem,4vw,3rem);background:var(--night-0)}
.foot-grid{max-width:1160px;margin:0 auto;display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:baseline}
footer .coords{display:block;margin-top:.4rem}
.foot-links{display:flex;gap:1.6rem;list-style:none}
.foot-links a{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ice-dim);text-decoration:none}
.foot-links a:hover{color:var(--ice)}
.foot-legal{width:100%;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;color:var(--ice-faint);margin-top:1rem}

/* ---------- guide page ---------- */
.guide-body{background:var(--night-0)}
.guide-hero{padding:8rem clamp(1.2rem,4vw,3rem) 3rem;border-bottom:1px solid var(--line)}
.guide-hero h1{font-family:var(--serif);font-weight:330;font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.012em;line-height:1.05;max-width:18ch}
.guide-sec{padding:3.5rem clamp(1.2rem,4vw,3rem);border-bottom:1px solid var(--line-soft)}
.guide-sec h2{font-family:var(--serif);font-weight:360;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:1.2rem}
.guide-sec p{color:var(--ice-dim);max-width:66ch;margin-bottom:1rem}
.guide-sec p strong,.guide-sec li strong{color:var(--ice)}
.swatches{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1rem;margin:1.5rem 0}
.swatch{border:1px solid var(--line);border-radius:3px;overflow:hidden}
.swatch .chip{height:64px}
.swatch figcaption{padding:.6rem .7rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:var(--ice-dim)}
.swatch figcaption b{display:block;color:var(--ice);font-weight:500;margin-bottom:.15rem}
pre{
  background:var(--night-2);border:1px solid var(--line);border-radius:3px;
  padding:1.1rem 1.2rem;overflow-x:auto;font-family:var(--mono);font-size:.76rem;line-height:1.65;
  color:#b9cbe2;margin:1.2rem 0;
}
pre .c{color:var(--ice-faint)} pre .k{color:var(--aurora-g)} pre .o{color:var(--orange)}
code{font-family:var(--mono);font-size:.85em;color:var(--aurora-g)}
.guide-sec ol,.guide-sec ul{margin:.5rem 0 1rem 1.3rem;color:var(--ice-dim)}
.guide-sec li{margin-bottom:.55rem;max-width:64ch}
.pass-list{list-style:none;margin-left:0!important}
.pass-list li{border-left:2px solid var(--orange);padding-left:1rem;margin-bottom:1.1rem}
.pass-list b{color:var(--ice);font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;display:block;margin-bottom:.25rem}
.type-pair{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.4rem 0}
.type-card{border:1px solid var(--line);border-radius:3px;padding:1.3rem 1.4rem}
.type-card .sample{font-size:2rem;line-height:1.1;margin-bottom:.6rem}
.type-card p{font-size:.82rem;margin:0}
.back-link{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);text-decoration:none}
.back-link:hover{text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .manifesto-grid,.book-panel{grid-template-columns:1fr}
  .voyage-grid{grid-template-columns:1fr}
  .chart-sticky{position:sticky;top:3.6rem;z-index:5;background:var(--night-1);padding-bottom:.8rem}
  .cabin-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav-links li.hide-m{display:none}
  .nav-links{gap:1rem}
  .brand span{display:none}
  .nav .btn{padding:.55rem .9rem}
  .cabin-grid,.notes-grid{grid-template-columns:1fr}
  .note:nth-child(odd){border-right:0}
  .note:nth-child(2){border-top:1px solid var(--line-soft)}
  .hero h1{font-size:clamp(2.5rem,11.5vw,3.4rem)}
  .hero-note{display:none}
  .hero-inner{padding-bottom:5.2rem}
  .type-pair{grid-template-columns:1fr}
}