/* ===========================================================
   PLADIM AIRPLANE POSTCARDS — design tokens
   Palette: paper white, deep navy ink, runway blue, airmail red
   Type: Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   =========================================================== */

:root{
  --paper:#FAFAF8;
  --surface:#FFFFFF;
  --surface-alt:#F1F0EC;
  --ink:#13233F;
  --ink-soft:#4A5568;
  --line:#E3E1DA;
  --accent:#2B6CB5;
  --accent-soft:#EAF1F8;
  --red:#C4432E;
  --red-soft:#FBEFEC;
  --radius:2px;
  --max:1180px;
  --shadow:0 1px 2px rgba(19,35,63,0.06), 0 8px 24px rgba(19,35,63,0.05);
}

[data-theme="dark"]{
  --paper:#0F1720;
  --surface:#172230;
  --surface-alt:#1B2735;
  --ink:#EDEBE4;
  --ink-soft:#A9B4C2;
  --line:#2B3646;
  --accent:#6CA6E0;
  --accent-soft:#1D2F42;
  --red:#E06A54;
  --red-soft:#2E1D1A;
  --shadow:0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.25);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"IBM Plex Sans", Helvetica, Arial, sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  transition:background .2s ease, color .2s ease;
}
h1,h2,h3,h4{
  font-family:"Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:"IBM Plex Mono", ui-monospace, monospace}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:"IBM Plex Mono", monospace;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"IBM Plex Mono", monospace;
  font-size:13px;letter-spacing:.04em;text-transform:uppercase;
  padding:12px 20px;border-radius:var(--radius);
  border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);
  cursor:pointer;transition:transform .12s ease, opacity .12s ease;
}
.btn:hover{opacity:.85}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{border-color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
header.site .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--max);margin:0 auto;
}
.wordmark{display:flex;flex-direction:column;line-height:1}
.wordmark .id{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.18em;color:var(--accent)}
.wordmark .name{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:19px}
nav.main{display:flex;align-items:center;gap:28px}
nav.main a{font-size:14px;color:var(--ink-soft);position:relative}
nav.main a:hover, nav.main a.active{color:var(--ink)}
nav.main a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--red)}
.theme-toggle{
  border:1px solid var(--line);background:transparent;color:var(--ink);
  width:34px;height:34px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.nav-toggle{display:none}

@media (max-width:760px){
  nav.main{position:fixed;inset:56px 0 0 0;background:var(--paper);flex-direction:column;
    padding:24px;gap:20px;transform:translateY(-110%);transition:transform .2s ease;border-bottom:1px solid var(--line)}
  nav.main.open{transform:translateY(0)}
  .nav-toggle{display:flex;border:1px solid var(--line);background:transparent;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(34px,5vw,56px);max-width:14ch}
.hero p.lead{max-width:52ch;color:var(--ink-soft);font-size:17px;margin:0 0 28px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.stat-line{
  display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);
}
.stat-line .stat{
  font-family:"IBM Plex Mono",monospace;padding:14px 24px 14px 0;margin-right:24px;
  border-right:1px solid var(--line);
}
.stat-line .stat:last-child{border-right:none}
.stat-line .stat b{display:block;font-size:22px;color:var(--ink);font-weight:600}
.stat-line .stat span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- carousel (signature element) ---------- */
.carousel{overflow:hidden;padding:28px 0;background:var(--surface-alt);border-bottom:1px solid var(--line)}
.carousel-track{display:flex;gap:16px;width:max-content;animation:drift 60s linear infinite}
.carousel:hover .carousel-track{animation-play-state:paused}
.carousel-card{
  width:180px;flex:0 0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
}
.carousel-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.carousel-card .tag{
  font-family:"IBM Plex Mono",monospace;font-size:10px;padding:6px 8px;color:var(--ink-soft);
  display:flex;justify-content:space-between;border-top:1px solid var(--line);
}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){.carousel-track{animation:none;overflow-x:auto}}

/* ---------- entry cards (departure-board style) ---------- */
.board{border-top:1px solid var(--line)}
.board-row{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--line);cursor:pointer;transition:background .15s ease;
}
.board-row:hover{background:var(--surface-alt)}
.board-row .num{font-family:"IBM Plex Mono",monospace;color:var(--accent);font-size:13px}
.board-row h3{margin:0;font-size:20px}
.board-row p{margin:2px 0 0;color:var(--ink-soft);font-size:14px}
.board-row .go{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-soft)}

section{padding:56px 0}
section > .wrap > h2{font-size:26px;margin-bottom:8px}
section > .wrap > p.section-sub{color:var(--ink-soft);max-width:60ch;margin-bottom:28px}

/* ---------- gallery controls ---------- */
.gallery-head{padding:36px 0 0}
.gallery-head h1{font-size:clamp(28px,4vw,40px);margin-bottom:6px}
.gallery-head p{color:var(--ink-soft);margin-bottom:24px}

.controls{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);
  padding:16px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr auto;gap:12px;margin-bottom:8px;
}
.controls .field{display:flex;flex-direction:column;gap:6px}
.controls label{
  font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
}
.controls input, .controls select{
  font-family:"IBM Plex Sans",sans-serif;font-size:14px;padding:9px 10px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);color:var(--ink);
}
.controls input:focus, .controls select:focus{border-color:var(--accent)}
.controls .reset{align-self:end}
@media (max-width:900px){.controls{grid-template-columns:1fr 1fr}}

.result-bar{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  padding:14px 0;color:var(--ink-soft);font-size:13px;font-family:"IBM Plex Mono",monospace;
}
.result-bar button.link{background:none;border:none;color:var(--accent);cursor:pointer;font-family:inherit;font-size:inherit;padding:0}
.result-bar button.link.active{color:var(--red);font-weight:600}

/* ---------- gallery grid ---------- */
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;padding-bottom:40px;
}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:box-shadow .15s ease, transform .15s ease;
}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--surface-alt)}
.card .meta{padding:10px 12px 12px}
.card .meta h4{margin:0 0 2px;font-size:14.5px;font-weight:600}
.card .meta p{margin:0;font-size:12px;color:var(--ink-soft)}
.card .tag{
  position:absolute;bottom:0;left:0;right:0;
  font-family:"IBM Plex Mono",monospace;font-size:10px;color:#fff;
  background:linear-gradient(0deg, rgba(19,35,63,.72), transparent);
  padding:18px 10px 6px;display:flex;justify-content:space-between;opacity:0;transition:opacity .15s ease;
}
.card:hover .tag{opacity:1}
.fav-btn{
  position:absolute;top:8px;right:8px;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.9);border:1px solid var(--line);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--red);
  z-index:2;
}
[data-theme="dark"] .fav-btn{background:rgba(23,34,48,.9)}
.fav-btn.active{background:var(--red);color:#fff;border-color:var(--red)}

.trade-badge{
  position:absolute;top:8px;left:8px;z-index:2;
  font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.04em;text-transform:uppercase;
  background:var(--red);color:#fff;padding:5px 8px;border-radius:20px;
  display:flex;align-items:center;gap:4px;
}
.lightbox-meta .trade-note{
  margin-top:18px;padding:14px;border:1px dashed var(--red);border-radius:var(--radius);
  background:var(--red-soft);font-size:13.5px;
}
.lightbox-meta .trade-note strong{display:block;color:var(--red);font-family:"IBM Plex Mono",monospace;
  font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.lightbox-meta .trade-note a.btn{margin-top:10px;padding:9px 14px;font-size:12px}

.load-more{display:flex;justify-content:center;padding:12px 0 40px}
.empty-state{padding:60px 0;text-align:center;color:var(--ink-soft)}
.empty-state h3{color:var(--ink)}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;background:rgba(15,23,32,.92);z-index:100;
  display:none;align-items:center;justify-content:center;padding:24px;
}
.lightbox.open{display:flex}
.lightbox-inner{
  max-width:1000px;width:100%;max-height:90vh;background:var(--surface);border-radius:var(--radius);
  display:grid;grid-template-columns:1.4fr 1fr;overflow:hidden;
}
.lightbox-inner img{width:100%;height:100%;object-fit:contain;background:var(--surface-alt);max-height:90vh}
.lightbox-meta{padding:28px;overflow-y:auto}
.lightbox-meta .id{color:var(--accent)}
.lightbox-meta h3{font-size:22px;margin:6px 0 14px}
.lightbox-meta dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13.5px;margin:0}
.lightbox-meta dt{color:var(--ink-soft);font-family:"IBM Plex Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.06em;align-self:start;padding-top:2px}
.lightbox-meta dd{margin:0}
.lightbox-meta .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.lightbox-meta .tags span{font-family:"IBM Plex Mono",monospace;font-size:10px;background:var(--accent-soft);color:var(--accent);padding:4px 8px;border-radius:20px}
.lightbox-close, .lightbox-nav{
  position:absolute;background:rgba(255,255,255,.12);color:#fff;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:50%;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.lightbox-close{top:20px;right:20px}
.lightbox-nav.prev{left:20px;top:50%;transform:translateY(-50%)}
.lightbox-nav.next{right:20px;top:50%;transform:translateY(-50%)}
@media (max-width:760px){
  .lightbox-inner{grid-template-columns:1fr;overflow-y:auto}
  .lightbox-inner img{max-height:50vh}
}

/* ---------- contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:48px 0 70px}
.contact-wrap h1{font-size:clamp(28px,4vw,38px)}
.contact-wrap p.lead{color:var(--ink-soft);margin-bottom:20px}
.contact-info{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}
.contact-info .row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact-info .row span:first-child{color:var(--ink-soft);font-family:"IBM Plex Mono",monospace;font-size:11px;text-transform:uppercase}
form.contact-form{display:flex;flex-direction:column;gap:16px}
form.contact-form .field{display:flex;flex-direction:column;gap:6px}
form.contact-form label{font-family:"IBM Plex Mono",monospace;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}
form.contact-form input, form.contact-form textarea{
  border:1px solid var(--line);border-radius:var(--radius);padding:12px;font-family:"IBM Plex Sans",sans-serif;
  font-size:14.5px;background:var(--surface);color:var(--ink);
}
form.contact-form input:focus, form.contact-form textarea:focus{border-color:var(--accent)}
.form-status{font-size:14px;padding:10px 0;font-family:"IBM Plex Mono",monospace;display:none}
.form-status.show{display:block}
.form-status.ok{color:#2F7A5A}
.form-status.err{color:var(--red)}
@media (max-width:820px){.contact-wrap{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding:32px 0;margin-top:20px}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--ink-soft);font-size:13px}
footer.site nav{display:flex;gap:18px}
footer.site nav a:hover{color:var(--ink)}