/* ============================================================
   Idiot Travel Tools — design tokens
   Palette: ink #0F172A · indigo #4F46E5 · indigo-deep #3730A3
            surface #F8FAFC · line #E2E8F0 · sky #0EA5E9
   Display: 'Space Grotesk' · Body: 'Inter' · Mono: 'IBM Plex Mono'
   Signature: dotted "route line" connecting waypoints
   ============================================================ */

:root{
  --ink:#0F172A;
  --ink-soft:#334155;
  --indigo:#4F46E5;
  --indigo-deep:#3730A3;
  --indigo-soft:#EEF2FF;
  --surface:#F8FAFC;
  --card:#FFFFFF;
  --line:#E2E8F0;
  --sky:#0EA5E9;
  --amber:#F59E0B;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 8px 24px -12px rgba(15,23,42,.12);
  --shadow-lg:0 20px 50px -20px rgba(79,70,229,.35);
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--surface);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4vw,3.1rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono)}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important}}

/* ---------- Route-line signature ---------- */
.route-divider{
  display:flex;align-items:center;gap:10px;margin:0 0 28px;color:var(--indigo);
}
.route-divider .dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
.route-divider .path{flex:1;height:1px;background-image:linear-gradient(to right,currentColor 40%,transparent 0%);background-size:9px 1px;background-repeat:repeat-x;opacity:.55}
.route-divider .label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--indigo-deep)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.15rem;text-decoration:none;color:var(--ink)}
.brand .mark{width:30px;height:30px;flex:none}
.main-nav{display:flex;align-items:center;gap:22px;font-size:.93rem;font-weight:500}
.main-nav a{text-decoration:none;color:var(--ink-soft);transition:color .15s}
.main-nav a:hover{color:var(--indigo)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}
@media (max-width:820px){
  .main-nav{position:fixed;inset:60px 12px auto 12px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;padding:16px 18px;display:none;gap:14px}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
}

/* ---------- Hero / search ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:
    radial-gradient(700px 300px at 85% -10%, rgba(79,70,229,.14), transparent 60%),
    radial-gradient(600px 260px at 5% 110%, rgba(14,165,233,.12), transparent 60%);
}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--indigo-deep);background:var(--indigo-soft);padding:6px 12px;border-radius:99px;margin-bottom:18px}
.hero h1{max-width:760px}
.hero .lede{max-width:600px;color:var(--ink-soft);font-size:1.08rem}
.hero-route{position:absolute;right:-40px;top:0;bottom:0;width:46%;opacity:.9;pointer-events:none}
@media (max-width:900px){.hero-route{display:none}}

.search-wrap{position:relative;max-width:560px;margin-top:28px}
.search-input{
  width:100%;padding:16px 20px;font-size:1rem;border:1.5px solid var(--line);border-radius:var(--radius);
  background:var(--card);box-shadow:var(--shadow);font-family:var(--font-body);color:var(--ink);
}
.search-input:focus{border-color:var(--indigo)}
.search-results{
  position:absolute;left:0;right:0;top:calc(100% + 8px);background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;z-index:40;display:none;max-height:360px;overflow-y:auto;
}
.search-results.show{display:block}
.search-results a{display:flex;align-items:center;gap:10px;padding:12px 18px;text-decoration:none;color:var(--ink);font-size:.94rem;border-bottom:1px solid var(--line)}
.search-results a:last-child{border-bottom:none}
.search-results a:hover, .search-results a.active{background:var(--indigo-soft)}
.search-results .cat{margin-left:auto;font-size:.72rem;color:var(--ink-soft);font-family:var(--font-mono)}
.search-empty{padding:16px 18px;color:var(--ink-soft);font-size:.9rem}

/* ---------- Tool grid ---------- */
.section{padding:52px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head p{color:var(--ink-soft);margin:0;max-width:520px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.tool-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:10px;
  transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--indigo)}
.tool-card .icon{width:38px;height:38px;border-radius:10px;background:var(--indigo-soft);display:flex;align-items:center;justify-content:center;color:var(--indigo-deep)}
.tool-card .icon svg{width:20px;height:20px}
.tool-card h3{margin:0;font-size:1.05rem}
.tool-card .desc{color:var(--ink-soft);font-size:.9rem;margin:0;flex:1}
.tool-card .go{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo)}

/* ---------- Tool page ---------- */
.tool-hero{padding:40px 0 20px}
.tool-hero .crumbs{font-size:.82rem;color:var(--ink-soft);margin-bottom:14px}
.tool-hero .crumbs a{color:var(--indigo);text-decoration:none}
.tool-app{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--ink-soft)}
.field input, .field select, .field textarea{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-size:.96rem;
  font-family:var(--font-body);background:#fff;color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--indigo)}
.row{display:grid;gap:14px}
.row.cols-2{grid-template-columns:1fr 1fr}
.row.cols-3{grid-template-columns:1fr 1fr 1fr}
@media (max-width:640px){.row.cols-2,.row.cols-3{grid-template-columns:1fr}}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--indigo);color:#fff;border:none;
  padding:12px 22px;border-radius:99px;font-weight:600;font-size:.95rem;cursor:pointer;font-family:var(--font-body);
  transition:background .15s, transform .1s;
}
.btn:hover{background:var(--indigo-deep)}
.btn:active{transform:scale(.98)}
.btn.secondary{background:transparent;color:var(--indigo);border:1.5px solid var(--indigo)}
.btn.secondary:hover{background:var(--indigo-soft)}
.result-box{
  margin-top:20px;padding:20px;border-radius:var(--radius-sm);background:var(--indigo-soft);border:1px solid #C7D2FE;
  display:none;
}
.result-box.show{display:block}
.result-box .big{font-family:var(--font-mono);font-size:1.7rem;font-weight:600;color:var(--indigo-deep)}
.result-box .caption{font-size:.85rem;color:var(--ink-soft);margin-top:4px}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 13px;font-size:.82rem}
table.data-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.9rem}
table.data-table th, table.data-table td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
table.data-table th{color:var(--ink-soft);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
ul.checklist{list-style:none;padding:0;margin:14px 0 0}
ul.checklist li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.94rem}
ul.checklist input[type=checkbox]{margin-top:4px;accent-color:var(--indigo)}
.note{font-size:.82rem;color:var(--ink-soft);margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}

/* ---------- Article / content ---------- */
.article{padding:44px 0 10px}
.article .prose{max-width:760px}
.prose h2{margin-top:1.6em}
.prose p{color:var(--ink-soft)}
.faq{margin-top:10px}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0}
.faq-item h4{margin:0 0 6px;font-size:1rem;font-family:var(--font-body);font-weight:700}
.faq-item p{margin:0;color:var(--ink-soft)}

/* ---------- Related tools ---------- */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:18px}

/* ---------- Static pages ---------- */
.static-page .prose h2{margin-top:1.4em}
.static-page .prose ul{color:var(--ink-soft)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#CBD5E1;margin-top:60px;padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;font-family:var(--font-body)}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;font-size:.9rem}
.site-footer a{color:#CBD5E1;text-decoration:none}
.site-footer a:hover{color:#fff}
.footer-brand p{color:#94A3B8;font-size:.88rem;max-width:280px}
.footer-bottom{border-top:1px solid #1E293B;margin-top:36px;padding-top:20px;font-size:.82rem;color:#64748B;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* utility */
.text-center{text-align:center}
.mt-0{margin-top:0}