/* Take-Home Calculator for Upwork Freelancers — site styles.
   Upwork-native green accent; every text token darkened to clear WCAG AA. */
:root {
  --bg: #ffffff;
  --bg-soft: #f4f7f4;
  --ink: #16261a;
  --ink-soft: #4f6253;
  --line: #e1e9e2;
  --accent: #14a800;
  --accent-ink: #2b6a1e;   /* text on light surfaces — 4.5:1+ */
  --accent-deep: #0f7a00;  /* button fill — white text clears AA */
  --accent-soft: #e7f4e3;
  --pos: #2b6a1e;
  --neg: #b91c1c;
  --warn-bg: #fdf3e2;
  --warn-ink: #7a4d12;
  --warn-line: #e9c98c;
  --radius: 12px;
  --maxw: 860px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1710;
    --bg-soft: #141d15;
    --ink: #e8f1e9;
    --ink-soft: #a3b8a5;
    --line: #27352a;
    --accent: #37c837;
    --accent-ink: #8be08b;
    --accent-deep: #2aa82a;
    --accent-soft: #16331a;
    --pos: #5bd45b;
    --neg: #f87171;
    --warn-bg: #2e2410;
    --warn-ink: #f0cd8a;
    --warn-line: #6a5320;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
:focus-visible { outline: 3px solid var(--accent-deep); outline-offset: 2px; border-radius: 4px; }
a { color: var(--accent-ink); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 17px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.logo .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent-deep); color: #fff; font-weight: 800; font-size: 15px;
}
.site-nav a { margin-left: 18px; color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 600; }
.site-nav a:hover { color: var(--accent-ink); }

/* stale banner */
.stale-banner {
  margin: 16px auto 0; max-width: var(--maxw);
  padding: 10px 16px; background: var(--warn-bg); color: var(--warn-ink);
  border: 1px solid var(--warn-line); border-radius: 10px;
  font-size: 14px; font-weight: 600;
}

/* hero */
.hero { padding: 44px 0 18px; text-align: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-ink); margin-bottom: 10px; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.12; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--accent-ink); }
.hero .sub { font-size: 18px; color: var(--ink-soft); max-width: 620px; margin: 0 auto 16px; }
.vchip { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent-ink); background: var(--accent-soft); padding: 5px 12px; border-radius: 999px; text-decoration: none; }
.privacy-badge { margin-top: 12px; font-size: 13px; color: var(--ink-soft); }
.privacy-badge .dot { color: var(--accent); font-size: 9px; vertical-align: middle; }

/* calculator widget */
#calc { margin: 22px auto 8px; }
.calc-shell { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.calc-mode { display: flex; gap: 4px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 4px; margin-bottom: 14px; }
.calc-mode-btn { flex: 1; padding: 10px; font-size: 14px; font-weight: 700; border: 0; background: transparent; color: var(--ink-soft); border-radius: 7px; cursor: pointer; min-height: 44px; }
.calc-mode-btn[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-ink); }
.calc-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-field { display: flex; flex-direction: column; }
.calc-field label { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 5px; }
.calc-field input { padding: 11px 12px; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; min-height: 44px; }
.calc-field input:focus { outline: none; border-color: var(--accent); }
.calc-fieldnote { font-size: 12.5px; color: var(--ink-soft); margin: 8px 2px 0; }

.calc-results { margin-top: 14px; }
.calc-card { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.calc-line { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; font-size: 15px; color: var(--ink-soft); }
.calc-line .calc-amt { font-variant-numeric: tabular-nums; color: var(--ink); }
.calc-line.calc-subtotal { border-top: 1px solid var(--line); margin-top: 4px; padding-top: 9px; font-weight: 700; color: var(--ink); }
.calc-net { display: flex; justify-content: space-between; align-items: baseline; padding-top: 8px; }
.calc-net-label { font-size: 15px; font-weight: 700; }
.calc-net-big { font-size: 30px; font-weight: 800; color: var(--pos); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.calc-net-big.neg { color: var(--neg); }
.calc-sub { font-size: 13.5px; color: var(--ink-soft); margin-top: 3px; }
.calc-band { font-size: 13px; color: var(--ink-soft); margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.calc-pricehead { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }
.calc-price-big { font-size: 34px; font-weight: 800; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.calc-price-alt { font-size: 14px; color: var(--ink-soft); margin-top: 2px; }
.calc-hint { font-size: 14px; color: var(--ink-soft); }

/* blocks */
.block { padding: 30px 0; border-top: 1px solid var(--line); }
.block h2 { font-size: 24px; margin: 0 0 8px; letter-spacing: -0.01em; }
.block .lead { color: var(--ink-soft); margin: 0 0 16px; }
.table-scroll { overflow-x: auto; }
.manifest { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.manifest th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); padding: 8px 10px; border-bottom: 2px solid var(--line); }
.manifest td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.manifest td.src a { font-size: 12.5px; color: var(--ink-soft); white-space: nowrap; }
.neutrality { font-weight: 600; color: var(--ink-soft); margin: 14px 0 4px; font-size: 14px; }
.src-note { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* CTA */
.cta { padding: 30px; margin: 30px 0; text-align: center; background: var(--accent-soft); border-radius: var(--radius); }
.cta h2 { font-size: 22px; margin: 0 0 8px; }
.cta p { color: var(--ink-soft); max-width: 560px; margin: 0 auto 14px; }
.btn { display: inline-block; background: var(--accent-deep); color: #fff; font-weight: 700; font-size: 16px; padding: 12px 24px; border-radius: 10px; text-decoration: none; min-height: 44px; }
.btn:hover { filter: brightness(1.05); }
.btn:focus-visible { outline-color: #ffffff; outline-offset: 3px; }
.cta .minor { font-size: 13px; margin-top: 10px; }

/* affiliate slot */
.aff-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; margin: 24px 0; background: var(--bg-soft); }
.aff-head { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); margin: 0 0 6px; }
.aff-box ul { margin: 0; padding-left: 18px; }
.aff-disclosure { font-size: 12px; color: var(--ink-soft); margin: 8px 0 0; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: 10px 0; font-size: 16px; }
.faq details p { color: var(--ink-soft); margin: 0 0 12px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); margin-top: 36px; padding: 28px 0; }
.site-footer .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site-footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); margin: 0 0 8px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.site-footer li { margin: 4px 0; color: var(--ink-soft); }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--accent-ink); }
.fine { font-size: 12px; color: var(--ink-soft); margin-top: 18px; line-height: 1.5; }

/* legal pages */
.legal { padding: 36px 0; }
.legal h1 { font-size: 28px; margin: 0 0 6px; }
.legal h2 { font-size: 19px; margin: 22px 0 6px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal .updated { font-size: 13px; color: var(--ink-soft); margin-bottom: 18px; }

@media (max-width: 640px) {
  .calc-fields { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .site-nav a { margin-left: 12px; }
}