/*
Theme Name: Polar Express
Theme URI: https://example.com/polar-express
Author: Expedition Co.
Description: An arctic-expedition journal theme. Latitude/longitude grids, compass roses, blueprinted cards, polar night skies, and bold northern-red flag accents. Pairs Fjalla One with Nunito Sans.
Version: 1.0.0
License: GPLv2 or later
Text Domain: polar-express
*/

:root{
  --pe-night:#0f172a;
  --pe-blue:#38bdf8;
  --pe-ice:#f0f9ff;
  --pe-red:#e11d48;
  --pe-line:rgba(56,189,248,.18);
  --pe-grid:rgba(56,189,248,.08);
  --pe-display:"Fjalla One", "Oswald", sans-serif;
  --pe-body:"Nunito Sans", system-ui, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--pe-body);color:var(--pe-night);
  background:var(--pe-ice);
  background-image:
    linear-gradient(var(--pe-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pe-grid) 1px, transparent 1px);
  background-size:40px 40px;
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--pe-night);text-decoration:none}
a:hover{color:var(--pe-red)}

/* Header bar */
.pe-bar{background:var(--pe-night);color:var(--pe-ice);position:sticky;top:0;z-index:50;border-bottom:2px solid var(--pe-blue)}
.pe-bar-inner{max-width:1320px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.pe-logo{display:flex;align-items:center;gap:14px;font-family:var(--pe-display);font-size:24px;letter-spacing:.06em;text-transform:uppercase;color:var(--pe-ice)}
.pe-compass{
  width:36px;height:36px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, var(--pe-night) 0 30%, var(--pe-blue) 30% 32%, transparent 32%);
  border:2px solid var(--pe-blue);position:relative;
}
.pe-compass::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, var(--pe-red) 0 50%, var(--pe-ice) 50% 100%);
  clip-path:polygon(50% 8%, 60% 50%, 50% 92%, 40% 50%);
}
.pe-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.pe-nav a{
  font-family:var(--pe-display);font-size:14px;letter-spacing:.12em;text-transform:uppercase;
  padding:10px 14px;color:var(--pe-ice);position:relative;
}
.pe-nav a:hover{color:var(--pe-blue)}
.pe-nav a:not(.login)::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--pe-blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.pe-nav a:not(.login):hover::after{transform:scaleX(1)}
.pe-nav .login{
  background:var(--pe-red);color:#fff;padding:12px 20px;border-radius:0;
  clip-path:polygon(0 0, 100% 0, 92% 100%, 0% 100%);
}
.pe-nav .login:hover{background:#fff;color:var(--pe-red)}

/* Hero - polar night */
.pe-hero{
  position:relative;background:radial-gradient(ellipse at 70% 30%, #1e293b 0%, var(--pe-night) 60%);
  color:var(--pe-ice);overflow:hidden;
}
.pe-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, var(--pe-ice) 50%, transparent 51%),
    radial-gradient(1px 1px at 60% 60%, var(--pe-ice) 50%, transparent 51%),
    radial-gradient(1px 1px at 80% 20%, var(--pe-blue) 50%, transparent 51%),
    radial-gradient(1px 1px at 35% 80%, var(--pe-ice) 50%, transparent 51%),
    radial-gradient(2px 2px at 90% 75%, var(--pe-blue) 50%, transparent 51%),
    radial-gradient(1px 1px at 10% 50%, var(--pe-ice) 50%, transparent 51%);
  background-size:600px 600px;opacity:.7;animation:drift 60s linear infinite;
}
@keyframes drift{to{background-position:600px 600px}}
.pe-hero-inner{max-width:1320px;margin:0 auto;padding:90px 28px 110px;position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:center}
@media (max-width:880px){.pe-hero-inner{grid-template-columns:1fr}}
.pe-hero h1{
  font-family:var(--pe-display);font-size:clamp(46px,8vw,108px);line-height:.95;
  letter-spacing:.01em;text-transform:uppercase;margin:0 0 24px;color:var(--pe-ice);
}
.pe-hero h1 span{color:var(--pe-red)}
.pe-hero h1 small{display:block;font-family:var(--pe-display);font-size:.18em;letter-spacing:.4em;color:var(--pe-blue);margin-bottom:12px}
.pe-hero p{font-size:18px;color:rgba(240,249,255,.78);max-width:520px}
.pe-coord{display:flex;gap:24px;margin:28px 0;font-family:var(--pe-display);letter-spacing:.16em;font-size:13px;color:var(--pe-blue);text-transform:uppercase}
.pe-coord b{display:block;color:var(--pe-ice);font-size:18px;font-weight:400;letter-spacing:.04em}
.pe-cta{
  display:inline-flex;align-items:center;gap:14px;background:var(--pe-red);color:#fff;
  padding:18px 30px;font-family:var(--pe-display);font-size:14px;letter-spacing:.2em;
  text-transform:uppercase;clip-path:polygon(0 0, 100% 0, 95% 100%, 0% 100%);
  transition:transform .25s;
}
.pe-cta:hover{background:#fff;color:var(--pe-red);transform:translateX(4px)}

/* Big compass rose */
.pe-rose{
  width:380px;height:380px;border-radius:50%;
  border:1px dashed rgba(56,189,248,.4);position:relative;margin-left:auto;
  background:radial-gradient(circle, rgba(56,189,248,.05), transparent 70%);
}
.pe-rose::before, .pe-rose::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  border-radius:50%;border:1px solid rgba(56,189,248,.25);
}
.pe-rose::before{width:80%;height:80%}
.pe-rose::after{width:50%;height:50%}
.pe-needle{
  position:absolute;left:50%;top:50%;width:6px;height:80%;transform:translate(-50%,-50%);
  background:linear-gradient(180deg,var(--pe-red) 0 50%, var(--pe-ice) 50% 100%);
  clip-path:polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation:spin 18s linear infinite;
}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.pe-rose-tick{position:absolute;color:var(--pe-blue);font-family:var(--pe-display);letter-spacing:.2em;font-size:14px}
.pe-rose-tick.n{top:8px;left:50%;transform:translateX(-50%)}
.pe-rose-tick.s{bottom:8px;left:50%;transform:translateX(-50%)}
.pe-rose-tick.e{right:8px;top:50%;transform:translateY(-50%)}
.pe-rose-tick.w{left:8px;top:50%;transform:translateY(-50%)}
@media (max-width:880px){.pe-rose{margin:0 auto;width:280px;height:280px}}

/* Breadcrumbs */
.pe-crumbs{max-width:1320px;margin:0 auto;padding:18px 28px;font-family:var(--pe-display);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--pe-night)}
.pe-crumbs a{color:var(--pe-red)}
.pe-crumbs span{margin:0 10px;color:var(--pe-blue)}

/* Layout */
.pe-shell{max-width:1320px;margin:0 auto;padding:40px 28px 80px;display:grid;grid-template-columns:1fr 320px;gap:48px}
@media (max-width:980px){.pe-shell{grid-template-columns:1fr}}
.pe-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
@media (max-width:720px){.pe-grid{grid-template-columns:1fr}}

.pe-card{
  background:#fff;border:1px solid var(--pe-line);position:relative;
  transition:transform .25s, border-color .25s;
}
.pe-card::before{
  content:"";position:absolute;left:-1px;top:-1px;right:-1px;height:6px;
  background:linear-gradient(90deg, var(--pe-red) 0 30%, var(--pe-night) 30% 100%);
}
.pe-card:hover{transform:translateY(-3px);border-color:var(--pe-blue)}
.pe-thumb{aspect-ratio:16/10;background:var(--pe-night);overflow:hidden;display:block;position:relative}
.pe-thumb img{width:100%;height:100%;object-fit:cover;filter:contrast(1.05)}
.pe-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 60%, rgba(15,23,42,.6))}
.pe-card-body{padding:24px 26px 28px}
.pe-cat{font-family:var(--pe-display);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--pe-red)}
.pe-card h2{font-family:var(--pe-display);font-size:24px;letter-spacing:.02em;line-height:1.15;margin:8px 0 10px;text-transform:uppercase}
.pe-card h2 a{color:var(--pe-night)}
.pe-card h2 a:hover{color:var(--pe-red)}
.pe-card p{margin:0;font-size:15px;color:rgba(15,23,42,.7)}
.pe-meta-line{margin-top:14px;display:flex;justify-content:space-between;font-family:var(--pe-display);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(15,23,42,.6)}

/* Sidebar */
.pe-side .widget{
  background:var(--pe-night);color:var(--pe-ice);padding:22px 24px;margin-bottom:22px;
  border-left:4px solid var(--pe-red);
}
.pe-side h3{font-family:var(--pe-display);font-size:18px;letter-spacing:.18em;text-transform:uppercase;color:var(--pe-blue);margin:0 0 14px}
.pe-side ul{list-style:none;padding:0;margin:0}
.pe-side li{padding:8px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:14px}
.pe-side li:last-child{border-bottom:0}
.pe-side a{color:var(--pe-ice)}
.pe-side a:hover{color:var(--pe-red)}

/* Article */
.pe-article{max-width:780px;margin:0 auto;padding:60px 28px;background:#fff;border:1px solid var(--pe-line);margin-top:30px;margin-bottom:30px}
.pe-article header{border-bottom:2px solid var(--pe-night);padding-bottom:24px;margin-bottom:32px}
.pe-article .stamp{display:inline-block;padding:6px 12px;background:var(--pe-red);color:#fff;font-family:var(--pe-display);font-size:11px;letter-spacing:.24em;text-transform:uppercase;margin-bottom:16px}
.pe-article h1{font-family:var(--pe-display);font-size:clamp(36px,5vw,64px);text-transform:uppercase;line-height:1;margin:0 0 14px;letter-spacing:.01em}
.pe-article .meta{font-family:var(--pe-display);letter-spacing:.18em;font-size:12px;text-transform:uppercase;color:rgba(15,23,42,.6)}
.pe-article .feat{margin:24px 0;border:1px solid var(--pe-line)}
.pe-article .body{font-size:17px;line-height:1.8;color:rgba(15,23,42,.88)}
.pe-article .body h2{font-family:var(--pe-display);text-transform:uppercase;letter-spacing:.02em;color:var(--pe-night);font-size:28px}
.pe-article .body blockquote{border-left:4px solid var(--pe-red);padding:16px 22px;margin:24px 0;background:#f0f9ff;font-style:normal;font-size:18px}

/* Related & pager */
.pe-related{max-width:1320px;margin:0 auto;padding:0 28px 80px}
.pe-related h3{font-family:var(--pe-display);font-size:28px;letter-spacing:.1em;text-transform:uppercase;color:var(--pe-night);border-bottom:2px solid var(--pe-blue);padding-bottom:10px}
.pe-pager{display:flex;justify-content:center;gap:6px;margin:30px 0}
.pe-pager a, .pe-pager span{font-family:var(--pe-display);letter-spacing:.18em;text-transform:uppercase;font-size:13px;padding:12px 16px;border:1px solid var(--pe-night);color:var(--pe-night);background:#fff}
.pe-pager .current{background:var(--pe-red);color:#fff;border-color:var(--pe-red)}

/* 404 */
.pe-404{max-width:880px;margin:0 auto;padding:120px 28px;text-align:center}
.pe-404 .big{font-family:var(--pe-display);font-size:clamp(120px,22vw,240px);line-height:.9;color:var(--pe-night);letter-spacing:.05em}
.pe-404 .big span{color:var(--pe-red)}

/* Comments */
.pe-comments{max-width:780px;margin:0 auto;padding:0 28px 80px}
.pe-comments h3{font-family:var(--pe-display);font-size:24px;letter-spacing:.1em;text-transform:uppercase}
.pe-comments ol{list-style:none;padding:0}
.pe-comments li{background:#fff;border:1px solid var(--pe-line);border-left:4px solid var(--pe-red);padding:18px;margin-bottom:14px}
.pe-comments textarea, .pe-comments input[type="text"], .pe-comments input[type="email"], .pe-comments input[type="url"]{width:100%;padding:12px 14px;border:1px solid var(--pe-line);background:#fff;font-family:var(--pe-body)}
.pe-comments .submit input{background:var(--pe-red);color:#fff;border:0;padding:14px 28px;font-family:var(--pe-display);letter-spacing:.18em;text-transform:uppercase;cursor:pointer;clip-path:polygon(0 0,100% 0,95% 100%, 0% 100%)}

/* Footer */
.pe-foot{background:var(--pe-night);color:var(--pe-ice);margin-top:40px;border-top:6px solid var(--pe-red)}
.pe-foot-inner{max-width:1320px;margin:0 auto;padding:80px 28px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
@media (max-width:880px){.pe-foot-inner{grid-template-columns:repeat(2,1fr)}}
.pe-foot h4{font-family:var(--pe-display);font-size:14px;letter-spacing:.22em;text-transform:uppercase;color:var(--pe-blue);margin:0 0 14px}
.pe-foot ul{list-style:none;padding:0;margin:0}
.pe-foot li{padding:5px 0;font-size:14px}
.pe-foot a{color:rgba(240,249,255,.78)}
.pe-foot a:hover{color:var(--pe-red)}
.pe-foot-bottom{border-top:1px solid rgba(56,189,248,.18);text-align:center;padding:22px;font-family:var(--pe-display);letter-spacing:.22em;text-transform:uppercase;font-size:11px;color:rgba(240,249,255,.6)}