/* ==========================================================================
   urcalculator.com — Core Design System
   Theme: Forest green + warm gold. Trustworthy YMYL reference tool.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Palette */
  --green-900: #0f2a1d;
  --green-800: #16412c;
  --green-700: #1d5439;
  --green-600: #2a6e4b;
  --green-500: #368a5f;
  --green-100: #e3f0e8;
  --green-50:  #f1f7f3;

  --gold-700: #9a7416;
  --gold-600: #bd901f;
  --gold-500: #d9a82a;
  --gold-400: #e6bf52;
  --gold-100: #fbf2d8;
  --gold-50:  #fdf9ee;

  --ink:      #1a201c;
  --ink-soft: #495651;
  --ink-mute: #7a8a82;
  --line:     #dde6e0;
  --line-soft:#eaf0ec;
  --paper:    #ffffff;
  --paper-warm:#faf9f5;
  --paper-tint:#f5f8f6;

  --danger:   #c0392b;
  --info:     #2a6e4b;

  /* Type */
  --display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Scale */
  --maxw: 1140px;
  --readw: 720px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(15,42,29,.06), 0 1px 3px rgba(15,42,29,.05);
  --shadow-md: 0 4px 16px rgba(15,42,29,.08), 0 2px 6px rgba(15,42,29,.05);
  --shadow-lg: 0 18px 50px rgba(15,42,29,.14);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper-warm);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration-color: rgba(42,110,75,.3); text-underline-offset: 2px; }
a:hover { color: var(--green-800); }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.15; color: var(--green-900); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.readable { max-width: var(--readw); }

/* Skip link */
.skip { position: absolute; left: -999px; top: 0; background: var(--green-900); color: #fff; padding: 10px 16px; z-index: 200; border-radius: 0 0 8px 0; }
.skip:focus { left: 0; color: #fff; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 22px; height: 64px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--display); font-weight: 700; font-size: 1.22rem; color: var(--green-900); text-decoration: none; letter-spacing: -.02em; }
.brand:hover { color: var(--green-900); }
.brand .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(140deg, var(--green-600), var(--green-800));
  color: var(--gold-400); display: grid; place-items: center;
  font-size: 1rem; font-weight: 700; box-shadow: inset 0 0 0 1px rgba(217,168,42,.25);
}
.brand .tld { color: var(--gold-600); }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a {
  font-size: .94rem; font-weight: 500; color: var(--ink-soft); text-decoration: none;
  padding: 8px 13px; border-radius: 8px; transition: background .15s, color .15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--green-50); color: var(--green-800); }
.nav-links a.nav-games { color: var(--gold-700); }
.nav-links a.nav-games:hover { background: var(--gold-50); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 9px; width: 42px; height: 42px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content:''; display:block; width: 18px; height: 2px; background: var(--green-800); position: relative; transition: .2s; }
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px 16px; gap: 2px;
    box-shadow: var(--shadow-md); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 12px; width: 100%; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font-family: var(--body); font-weight: 600; font-size: .98rem;
  padding: 12px 22px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform .12s, box-shadow .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--green-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--green-800); color: #fff; box-shadow: var(--shadow-md); }
.btn-gold { background: linear-gradient(135deg, var(--gold-500), var(--gold-600)); color: #3a2c05; box-shadow: var(--shadow-sm); }
.btn-gold:hover { color: #3a2c05; box-shadow: var(--shadow-md); filter: brightness(1.03); }
.btn-ghost { background: #fff; color: var(--green-800); border-color: var(--line); }
.btn-ghost:hover { background: var(--green-50); color: var(--green-800); }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(217,168,42,.10), transparent 60%),
    linear-gradient(180deg, var(--green-50), var(--paper-warm));
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(40px, 7vw, 78px) 0 clamp(34px, 5vw, 56px);
}
.hero .eyebrow { display:inline-flex; align-items:center; gap:7px; font-size:.8rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color: var(--gold-700); background: var(--gold-50); border:1px solid var(--gold-100); padding:5px 12px; border-radius:999px; margin-bottom:18px; }
.hero h1 { max-width: 14ch; }
.hero p.lede { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--ink-soft); max-width: 56ch; margin-bottom: 26px; }
.hero-actions { display:flex; gap:12px; flex-wrap: wrap; }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; text-decoration: none; color: inherit; display: block;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--green-100); }
.card .ic { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--green-50); color: var(--green-700); margin-bottom: 14px; font-size: 1.2rem; }
.card.gold .ic { background: var(--gold-50); color: var(--gold-700); }
.card h3 { font-size: 1.12rem; margin-bottom: 6px; }
.card p { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.card .arrow { color: var(--gold-600); font-weight: 600; font-size: .9rem; margin-top: 12px; display: inline-block; }

.section { padding: clamp(38px, 6vw, 64px) 0; }
.section-head { margin-bottom: 26px; }
.section-head .kicker { font-size:.8rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color: var(--gold-700); margin-bottom: 8px; }
.section-head p { color: var(--ink-soft); max-width: 60ch; }

/* ---------- Calculator layout ---------- */
.calc-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
@media (max-width: 980px){ .calc-layout { grid-template-columns: 1fr; } }

.calc-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.calc-card .calc-body { padding: clamp(20px, 3vw, 30px); }
.calc-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px){ .calc-grid { grid-template-columns: 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.field label { font-size: .88rem; font-weight: 600; color: var(--ink); }
.field .hint { font-size: .78rem; color: var(--ink-mute); }
.field input, .field select {
  font-family: var(--body); font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff;
  transition: border-color .15s, box-shadow .15s; width: 100%;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(54,138,95,.15); }
.input-prefix { position: relative; }
.input-prefix span { position:absolute; left:13px; top:50%; transform: translateY(-50%); color: var(--ink-mute); font-weight:600; pointer-events:none; }
.input-prefix input { padding-left: 28px; }

.seg { display:inline-flex; background: var(--paper-tint); border:1px solid var(--line); border-radius: 10px; padding: 3px; gap: 3px; }
.seg button { border:none; background:none; font-family:var(--body); font-weight:600; font-size:.9rem; color: var(--ink-soft); padding: 8px 16px; border-radius: 7px; cursor:pointer; transition:.15s; }
.seg button.active { background:#fff; color: var(--green-800); box-shadow: var(--shadow-sm); }

/* Result panel */
.result {
  background: linear-gradient(160deg, var(--green-800), var(--green-900));
  color: #fff; border-radius: var(--radius); padding: clamp(22px,3vw,30px);
  box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.result::after { content:''; position:absolute; right:-40px; top:-40px; width:160px; height:160px; background: radial-gradient(circle, rgba(217,168,42,.22), transparent 70%); }
.result .r-label { font-size:.8rem; text-transform:uppercase; letter-spacing:.08em; color: var(--gold-400); font-weight:600; margin-bottom: 6px; }
.result .r-big { font-family: var(--mono); font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 600; line-height:1; letter-spacing:-.02em; }
.result .r-sub { color: rgba(255,255,255,.78); font-size:.95rem; margin-top: 8px; }
.result-rows { margin-top: 22px; border-top: 1px solid rgba(255,255,255,.15); padding-top: 16px; }
.result-row { display:flex; justify-content:space-between; align-items:baseline; padding: 7px 0; font-size:.95rem; }
.result-row span:first-child { color: rgba(255,255,255,.72); }
.result-row span:last-child { font-family: var(--mono); font-weight:500; }
.result-row.total { border-top:1px solid rgba(255,255,255,.18); margin-top:6px; padding-top:14px; font-weight:600; font-size:1.05rem; }
.result-row.total span:last-child { color: var(--gold-400); }

/* Breakdown table */
.bd-table { width:100%; border-collapse: collapse; font-size:.92rem; margin-top: 8px; }
.bd-table th, .bd-table td { text-align:left; padding: 10px 12px; border-bottom: 1px solid var(--line-soft); }
.bd-table th { font-size:.75rem; text-transform:uppercase; letter-spacing:.05em; color: var(--ink-mute); font-weight:600; }
.bd-table td.num, .bd-table th.num { text-align:right; font-family: var(--mono); }
.bd-table tr:last-child td { border-bottom: none; }

/* mini bar chart */
.barviz { display:flex; flex-direction:column; gap:9px; margin-top: 4px; }
.barviz .bar-row { display:grid; grid-template-columns: 130px 1fr auto; gap:12px; align-items:center; font-size:.85rem; }
.barviz .track { background: var(--line-soft); border-radius:999px; height:10px; overflow:hidden; }
.barviz .fill { height:100%; border-radius:999px; background: linear-gradient(90deg, var(--green-500), var(--green-700)); }
.barviz .fill.gold { background: linear-gradient(90deg, var(--gold-400), var(--gold-600)); }
.barviz .val { font-family:var(--mono); font-size:.82rem; color: var(--ink-soft); }

/* ---------- Ad slots (exactly 2, non-intrusive) ---------- */
.ad-slot {
  background: var(--paper-tint);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-mute); font-size: .75rem; letter-spacing: .04em; text-transform: uppercase;
  overflow: hidden;
}
.ad-slot .ad-tag { font-size:.65rem; opacity:.7; }
.ad-leaderboard { min-height: 90px; margin: 8px 0; }
.ad-rail { min-height: 250px; position: sticky; top: 84px; }
@media (max-width: 980px){ .ad-rail { position: static; min-height: 120px; } }

/* sidebar */
.sidebar { display:flex; flex-direction:column; gap: 18px; }
.side-box { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.side-box h4 { font-family: var(--body); font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; color: var(--ink-mute); margin:0 0 12px; font-weight:700; }
.side-link { display:flex; align-items:center; gap:9px; padding: 9px 0; font-size:.92rem; color: var(--ink); text-decoration:none; border-bottom: 1px solid var(--line-soft); }
.side-link:last-child { border-bottom:none; }
.side-link:hover { color: var(--green-700); }
.side-link .dot { width:6px; height:6px; border-radius:999px; background: var(--gold-500); flex:none; }

/* affiliate / partner box */
.partner {
  background: linear-gradient(135deg, var(--gold-50), #fff);
  border: 1px solid var(--gold-100); border-radius: var(--radius); padding: 18px;
}
.partner .tag { font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; color: var(--gold-700); font-weight:700; }
.partner h4 { font-family:var(--display); color: var(--green-900); margin: 6px 0; font-size:1.05rem; }
.partner p { font-size:.85rem; color: var(--ink-soft); margin-bottom: 12px; }

/* ---------- Article / prose ---------- */
.prose { max-width: var(--readw); font-size: 1.06rem; color: var(--ink); }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; font-family: var(--display); color: var(--green-800); }
.prose p { margin-bottom: 1.1em; }
.prose ul, .prose ol { padding-left: 1.3em; margin-bottom: 1.2em; }
.prose li { margin-bottom: .5em; }
.prose blockquote { border-left: 3px solid var(--gold-500); background: var(--gold-50); margin: 1.4em 0; padding: 12px 20px; border-radius: 0 8px 8px 0; color: var(--ink-soft); font-style: italic; }
.prose .callout { background: var(--green-50); border:1px solid var(--green-100); border-radius: var(--radius); padding: 18px 20px; margin: 1.6em 0; }
.prose .callout strong { color: var(--green-800); }
.prose code { background: var(--paper-tint); padding: 2px 6px; border-radius: 5px; font-family: var(--mono); font-size: .9em; }
.prose table { width:100%; border-collapse: collapse; margin: 1.4em 0; font-size:.95rem; }
.prose th, .prose td { border:1px solid var(--line); padding: 10px 12px; text-align:left; }
.prose th { background: var(--green-50); font-weight:600; }

/* breadcrumb */
.crumb { font-size:.85rem; color: var(--ink-mute); padding: 16px 0 4px; }
.crumb a { color: var(--ink-soft); text-decoration:none; }
.crumb a:hover { color: var(--green-700); }
.crumb .sep { margin: 0 8px; opacity:.5; }

/* page head */
.page-head { padding: 20px 0 8px; }
.page-head .market-tag { display:inline-flex; align-items:center; gap:6px; font-size:.78rem; font-weight:600; color: var(--green-700); background: var(--green-50); border:1px solid var(--green-100); padding:4px 11px; border-radius:999px; margin-bottom: 12px; }
.page-head p.sub { color: var(--ink-soft); font-size: 1.08rem; max-width: 62ch; }
.reviewed { font-size:.8rem; color: var(--ink-mute); margin-top: 10px; }

/* note / disclaimer inline */
.note-sm { font-size:.82rem; color: var(--ink-mute); background: var(--paper-tint); border-radius: 8px; padding: 12px 14px; margin-top: 16px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.72); margin-top: 60px; padding: 50px 0 28px; }
.foot-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px){ .foot-grid { grid-template-columns: 1fr 1fr; gap:26px; } }
.site-footer .brand { color:#fff; margin-bottom: 12px; }
.site-footer .brand .tld { color: var(--gold-400); }
.site-footer p.about { font-size:.88rem; max-width: 34ch; }
.foot-col h5 { color:#fff; font-family: var(--body); font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; margin:0 0 14px; }
.foot-col a { display:block; color: rgba(255,255,255,.72); text-decoration:none; font-size:.9rem; padding: 5px 0; }
.foot-col a:hover { color: var(--gold-400); }
.foot-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:.82rem; }
.foot-bottom a { color: rgba(255,255,255,.72); text-decoration:none; }

/* utility */
.muted { color: var(--ink-mute); }
.center { text-align: center; }
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.stack > * + * { margin-top: 16px; }
.divider { height:1px; background: var(--line); border:none; margin: 28px 0; }
.pill-row { display:flex; gap:8px; flex-wrap:wrap; }
.pill { font-size:.8rem; font-weight:600; color: var(--green-700); background:var(--green-50); border:1px solid var(--green-100); padding:5px 12px; border-radius:999px; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 2px; border-radius: 4px; }