/* GLOBAL STYLES */

:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --card:#f9fafb;
  --accent:#111827;
  --accentText:#ffffff;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
}

.wrap{
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

/* NAVIGATION */
.nav{
  display:flex;
  overflow-x:auto;
  gap:10px;
  margin-bottom:24px;
  padding-bottom:5px;

  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.nav{
  display:flex;
  overflow-x:auto;
  gap:10px;
  margin-bottom:24px;
  padding-bottom:5px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.nav::-webkit-scrollbar{
  display:none;
}

.nav a{
  text-decoration:none;
  color:var(--text);
  border:1px solid var(--border);
  padding:8px 12px;
  border-radius:999px;
  font-size:14px;
  background:#fff;
  white-space:nowrap;
}

.nav a.active{
  background:var(--accent);
  color:var(--accentText);
  border-color:var(--accent);
}

/* HERO */

.hero{
  padding: 8px 0 20px;
}

h1{
  margin:0 0 8px;
  font-size: clamp(30px, 5vw, 48px);
  line-height:1.05;
  letter-spacing:-0.03em;
}

.lead{
  margin:0;
  color:var(--muted);
  max-width: 70ch;
}

/* GRID */

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:24px;
  margin-top:24px;
}

@media (min-width: 860px){
  .grid{
    grid-template-columns: 420px 1fr;
    align-items:start;
  }
}

/* CARD */

.card{
  border:1px solid var(--border);
  border-radius:20px;
  padding:20px;
  background:var(--card);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

/* FORM */

.field{
  margin-bottom:14px;
}

label{
  display:block;
  font-weight:700;
  margin-bottom:6px;
  font-size:14px;
}

input, select{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px 14px;
  font-size:16px;
  background:#fff;
  color:var(--text);
  outline:none;
}

button{
  width:100%;
  border:none;
  border-radius:12px;
  padding:13px 16px;
  font-size:16px;
  font-weight:700;
  background:var(--accent);
  color:var(--accentText);
  cursor:pointer;
  margin-top:4px;
}

/* RESULT */

.result{
  display:grid;
  gap:14px;
}

.stat{
  border:1px solid var(--border);
  border-radius:18px;
  padding:16px;
  background:#fff;
}

.stat .label{
  color:var(--muted);
  font-size:13px;
  margin-bottom:6px;
}

.stat .value{
  font-size:28px;
  font-weight:800;
}

.stat .sub{
  color:var(--muted);
  font-size:13px;
  margin-top:6px;
}

/* DETAILS */

.row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  border-top:1px solid var(--border);
  padding-top:10px;
  font-size:14px;
}

/* AD */

.ad{
  margin-top:18px;
  border:1px dashed #cbd5e1;
  border-radius:16px;
  padding:16px;
  text-align:center;
  color:var(--muted);
  background:#fff;
  font-size:14px;
}

/* SEO */

.seo{
  margin-top:28px;
  border-top:1px solid var(--border);
  padding-top:24px;
  color:#374151;
  max-width: 80ch;
}

/* NOTE */

.note{
  color:var(--muted);
  font-size:13px;
  margin-top:10px;
}


.nav a {
  font-family: "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
}