/* FreelanceGuide — design system
   Aesthetic: editorial "ledger". Warm paper + ink, marigold accent, money-green.
   Type: Fraunces (display), Public Sans (UI), Spline Sans Mono (figures). */

:root {
  --paper:    #F6F1E7;
  --paper-2:  #EFE7D5;
  --paper-3:  #E7DDC7;
  --ink:      #181711;
  --ink-2:    #46422F;
  --ink-soft: #6B6650;
  --accent:   #D98324;   /* marigold */
  --accent-2: #B5661A;
  --green:    #1F4E3D;   /* money / trust */
  --green-2:  #2E6B54;
  --rule:     rgba(24,23,17,.14);
  --rule-2:   rgba(24,23,17,.08);
  --good:     #2E6B54;
  --card:     #FBF8F0;
  --shadow-sm: 0 1px 0 rgba(24,23,17,.05);
  --shadow:    0 1px 0 rgba(24,23,17,.05), 0 24px 48px -28px rgba(24,23,17,.5);
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-ui:'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'Spline Sans Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.18'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 540; line-height: 1.08; letter-spacing: -0.01em; margin: 0 0 .4em; font-optical-sizing: auto; }
h1 { font-size: clamp(2.6rem, 6vw, 4.1rem); font-weight: 560; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.28rem; }
p { margin: 0 0 1.1em; max-width: 64ch; }
a { color: var(--accent-2); text-decoration: none; border-bottom: 1px solid rgba(181,102,26,.35); transition: border-color .15s, color .15s; }
a:hover { color: var(--ink); border-color: var(--ink); }
.eyebrow { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-2); margin: 0 0 1.1em; font-weight: 500; }
.lede { font-size: 1.22rem; color: var(--ink-2); max-width: 56ch; }
.muted { color: var(--ink-soft); }

/* ---------- masthead ---------- */
.masthead { display: flex; align-items: center; justify-content: space-between; padding: 26px 0 22px; border-bottom: 1.5px solid var(--ink); margin-bottom: 0; }
.wordmark { display: inline-flex; align-items: baseline; gap: .55ch; font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--ink); border: none; }
.wordmark:hover { color: var(--ink); }
.wordmark .mark { display: inline-grid; place-items: center; width: 1.55rem; height: 1.55rem; background: var(--ink); color: var(--paper); border-radius: 6px; font-size: .92rem; transform: translateY(2px) rotate(-4deg); }
.wordmark em { font-style: normal; color: var(--accent-2); }
.nav { display: flex; gap: 26px; font-size: .96rem; }
.nav a { border: none; color: var(--ink-2); }
.nav a:hover { color: var(--accent-2); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .5ch; font-family: var(--font-ui); font-weight: 600; font-size: 1rem; padding: .72em 1.3em; border-radius: 9px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .15s; box-shadow: 3px 3px 0 var(--ink); }
.btn:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 var(--ink); color: var(--paper); }
.btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.btn--accent { background: var(--accent); border-color: var(--ink); color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { color: var(--ink); }

/* ---------- calculator layout ---------- */
.tool-hero { padding: 46px 0 30px; }
.tool-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 52px; align-items: start; padding-bottom: 28px; }

.worksheet { display: flex; flex-direction: column; gap: 4px; }
.worksheet__head { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); padding-bottom: 12px; border-bottom: 1px solid var(--rule); margin-bottom: 8px; }

.field { padding: 16px 0; border-bottom: 1px solid var(--rule-2); }
.field__top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.field label { font-weight: 600; font-size: 1rem; }
.field .hint { display: block; font-size: .86rem; color: var(--ink-soft); margin-top: 2px; max-width: 42ch; }
.field__val { font-family: var(--font-mono); font-weight: 500; font-size: 1.05rem; color: var(--ink); white-space: nowrap; }

.input-money { position: relative; display: inline-flex; align-items: center; }
.input-money .sym { position: absolute; left: 12px; font-family: var(--font-mono); color: var(--ink-soft); pointer-events: none; }
input[type="number"] {
  font-family: var(--font-mono); font-size: 1.05rem; color: var(--ink);
  width: 130px; padding: .5em .7em .5em 1.45em; border: 1.5px solid var(--rule);
  border-radius: 8px; background: var(--card); transition: border-color .15s, box-shadow .15s; text-align: right;
}
input[type="number"].nosym { padding-left: .7em; text-align: right; }
input[type="number"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217,131,36,.18); }

input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; background: var(--paper-3); border-radius: 4px; margin: 14px 0 2px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); border: 3px solid var(--card); box-shadow: 0 0 0 1.5px var(--accent-2); cursor: grab; transition: transform .1s; }
input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.08); }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid var(--card); box-shadow: 0 0 0 1.5px var(--accent-2); cursor: grab; }

/* ---------- result card ---------- */
.result { position: sticky; top: 24px; }
.result__card { background: var(--card); border: 1.5px solid var(--ink); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.result__bar { height: 8px; background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 60%, var(--green) 100%); }
.result__body { padding: 30px 30px 26px; }
.result__label { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 6px; }
.result__rate { display: flex; align-items: baseline; gap: .12ch; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; color: var(--accent-2); }
.result__rate .amt { font-size: clamp(3.2rem, 8vw, 4.6rem); line-height: .95; transition: color .2s; }
.result__rate .per { font-family: var(--font-mono); font-size: 1.05rem; color: var(--ink-soft); font-weight: 500; letter-spacing: 0; }
.result__sentence { font-size: 1.06rem; color: var(--ink-2); margin: 14px 0 0; max-width: none; }
.result__sentence b { color: var(--ink); }
.result__chips { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.chip { font-family: var(--font-mono); font-size: .82rem; padding: .5em .8em; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 999px; color: var(--ink-2); }
.chip b { color: var(--ink); }

/* ledger breakdown */
.ledger { margin-top: 22px; border-top: 1px dashed var(--rule); padding-top: 16px; }
.ledger__row { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: .95rem; padding: 7px 0; color: var(--ink-2); }
.ledger__row .lbl { color: var(--ink-soft); }
.ledger__row .lbl::after { content: ""; }
.ledger__row.total { border-top: 1.5px solid var(--ink); margin-top: 6px; padding-top: 11px; color: var(--ink); font-weight: 600; font-size: 1.02rem; }
.ledger__row.sub { font-size: .88rem; padding: 3px 0; }
.ledger__num { color: var(--ink); }

/* ---------- prose / content sections ---------- */
.section { padding: 52px 0; border-top: 1.5px solid var(--ink); }
.section--tint { background: var(--paper-2); }
.prose { max-width: 68ch; }
.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.formula { font-family: var(--font-mono); font-size: .96rem; background: var(--card); border: 1px solid var(--rule); border-left: 4px solid var(--accent); border-radius: 8px; padding: 16px 18px; margin: 1.2em 0; line-height: 1.7; color: var(--ink-2); overflow-x: auto; }
.formula b { color: var(--ink); }

.faq { border-top: 1px solid var(--rule); }
.faq__item { border-bottom: 1px solid var(--rule); padding: 20px 0; }
.faq__item h3 { margin: 0 0 .35em; font-size: 1.12rem; }
.faq__item p { margin: 0; color: var(--ink-2); }

/* ---------- homepage ---------- */
.hero { padding: 70px 0 40px; }
.hero h1 { max-width: 16ch; }
.hero .lede { margin-top: .4em; }
.hero__cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 8px; }
.tool-card { display: flex; flex-direction: column; background: var(--card); border: 1.5px solid var(--ink); border-radius: 13px; padding: 24px; box-shadow: var(--shadow-sm); transition: transform .14s ease, box-shadow .14s ease; border-bottom-width: 1.5px; }
a.tool-card { color: var(--ink); }
a.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); color: var(--ink); border-color: var(--ink); }
.tool-card.soon { opacity: .72; border-style: dashed; box-shadow: none; }
.tool-card__tag { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
.tool-card.soon .tool-card__tag { color: var(--ink-soft); }
.tool-card h3 { margin: 0 0 .3em; }
.tool-card p { font-size: .96rem; color: var(--ink-2); margin: 0; }
.tool-card__go { margin-top: 16px; font-family: var(--font-mono); font-size: .85rem; color: var(--accent-2); }

/* ---------- footer ---------- */
.footer { border-top: 1.5px solid var(--ink); margin-top: 40px; padding: 34px 0 48px; font-size: .92rem; color: var(--ink-soft); }
.footer__inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: baseline; }
.footer a { color: var(--ink-2); border: none; }
.footer a:hover { color: var(--accent-2); }

/* ---------- load animation ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.rise { animation: rise .6s cubic-bezier(.2,.7,.2,1) both; }
.rise-1 { animation-delay: .05s; } .rise-2 { animation-delay: .14s; } .rise-3 { animation-delay: .23s; } .rise-4 { animation-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } * { scroll-behavior: auto; } }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .tool-grid { grid-template-columns: 1fr; gap: 30px; }
  .result { position: static; }
  .nav { gap: 16px; }
  body { font-size: 16px; }
}
@media (max-width: 560px) {
  .nav .nav__hide { display: none; }
  .shell { padding: 0 18px; }
  input[type="number"] { width: 110px; }
}