/* ============================================
   TALLY — a plain-spoken personal finance site
   Design system: the household ledger book.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;0,9..144,700;0,9..144,900;1,9..144,500;1,9..144,600&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink:        #16241C;   /* deep ledger green, primary dark */
  --ink-soft:   #3F4F45;   /* muted green-grey, secondary text */
  --paper:      #F1ECDD;   /* cream ledger paper */
  --paper-line: #DBD0B4;   /* ledger rule lines */
  --paper-dim:  #E7E0CC;   /* card surface on paper */
  --brass:      #A9791F;   /* gold ink accent, links/CTAs */
  --brass-deep: #8A6118;
  --rust:       #8B3A2B;   /* red ink, alerts / negative figures */
  --white:      #FBF9F3;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --max-w: 1120px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 17px;
}

img{ max-width:100%; display:block; }
a{ color: var(--brass-deep); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--brass); outline-offset: 2px;
}

.wrap{ max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 700; margin: 0 0 0.5em; line-height: 1.15; }
h1{ font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 900; }
h2{ font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3{ font-size: 1.3rem; }
p{ margin: 0 0 1.1em; color: var(--ink-soft); }
.lede{ font-size: 1.15rem; color: var(--ink); }

.mono{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brass-deep);
  display: inline-block;
  margin-bottom: 0.6em;
}

/* ---------- Header ---------- */
.site-header{
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--brass);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--white);
  display: flex; align-items: baseline; gap: 8px;
  letter-spacing: -0.01em;
}
.brand small{
  font-family: var(--font-mono); font-weight: 400; font-size: 0.65rem;
  color: var(--brass); letter-spacing: 0.08em; text-transform: uppercase;
}
nav.main-nav ul{ list-style:none; display:flex; gap: 28px; margin:0; padding:0; }
nav.main-nav a{ color: var(--paper); font-family: var(--font-body); font-weight: 500; font-size: 0.95rem; }
nav.main-nav a:hover{ color: var(--brass); text-decoration: none; }
.nav-toggle{ display:none; }

/* ---------- Hero (ledger page motif) ---------- */
.hero{
  position: relative;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 43px,
      var(--paper-line) 43px,
      var(--paper-line) 44px
    ),
    var(--paper);
  border-bottom: 1px solid var(--paper-line);
  overflow: hidden;
}
.hero .wrap{
  padding-top: 64px; padding-bottom: 56px;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
}
.hero-copy .eyebrow{ }
.hero-actions{ display:flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.btn{
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  padding: 13px 22px; border-radius: 3px; border: 2px solid var(--ink);
  cursor: pointer; background: transparent; color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn:hover{ text-decoration:none; transform: translateY(-1px); }
.btn-primary{ background: var(--ink); color: var(--white); }
.btn-primary:hover{ background: var(--brass-deep); border-color: var(--brass-deep); }
.btn-ghost:hover{ background: var(--ink); color: var(--white); }

/* Signature element: the tally strip */
.tally-card{
  background: var(--white);
  border: 1px solid var(--paper-line);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 26px 24px;
  font-family: var(--font-mono);
}
.tally-card .tally-title{
  font-family: var(--font-body); font-weight: 700; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft);
  margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px dashed var(--paper-line);
}
.tally-row{
  display:flex; justify-content: space-between; gap: 10px;
  padding: 7px 0; font-size: 0.92rem; border-bottom: 1px dotted var(--paper-line);
}
.tally-row span:first-child{ color: var(--ink-soft); font-family: var(--font-body); }
.tally-row .neg{ color: var(--rust); }
.tally-row .pos{ color: var(--ink); font-weight: 600; }
.tally-total{
  display:flex; justify-content: space-between; margin-top: 12px; padding-top: 12px;
  border-top: 2px solid var(--ink); font-weight: 700; font-size: 1.05rem;
}

/* ---------- Sections ---------- */
section{ padding: 64px 0; }
.section-alt{ background: var(--paper-dim); border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line); }
.section-head{ max-width: 640px; margin-bottom: 40px; }

.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card{
  background: var(--white); border: 1px solid var(--paper-line);
  padding: 26px; border-radius: 2px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover{ transform: translateY(-3px); box-shadow: 4px 4px 0 var(--paper-line); }
.card .eyebrow{ margin-bottom: 10px; }
.card a.card-title{ color: var(--ink); }
.card a.card-title:hover{ color: var(--brass-deep); }
.card p{ font-size: 0.95rem; margin-bottom: 0.6em; }
.card .read-more{ font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600; }

/* ---------- Calculators ---------- */
.calc-card{
  background: var(--white); border: 1px solid var(--paper-line);
  padding: 30px; margin-bottom: 32px;
}
.calc-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.field{ margin-bottom: 18px; }
.field label{
  display:block; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.03em;
  color: var(--ink-soft); margin-bottom: 6px; text-transform: uppercase; font-family: var(--font-mono);
}
.field input[type=range]{ width: 100%; accent-color: var(--brass-deep); }
.field-value{ font-family: var(--font-mono); font-weight: 600; color: var(--ink); }
.field input[type=number], .field input[type=text]{
  width: 100%; padding: 10px 12px; font-family: var(--font-mono); font-size: 1rem;
  border: 1px solid var(--paper-line); background: var(--paper); color: var(--ink); border-radius: 2px;
}
.calc-result{
  background: var(--ink); color: var(--white); padding: 22px 24px; margin-top: 8px;
}
.calc-result .result-label{ font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--brass); }
.calc-result .result-figure{ font-family: var(--font-mono); font-size: 2rem; font-weight: 600; margin-top: 6px; }
.calc-result .result-sub{ font-size: 0.85rem; color: var(--paper-line); margin-top: 4px; }

/* ---------- Article ---------- */
.article-header{ background: var(--ink); color: var(--paper); padding: 56px 0 40px; }
.article-header .eyebrow{ color: var(--brass); }
.article-header h1{ color: var(--white); }
.article-meta{ font-family: var(--font-mono); font-size: 0.85rem; color: var(--paper-line); margin-top: 12px; }
.article-body{ max-width: 720px; margin: 0 auto; padding: 48px 24px; }
.article-body h2{ margin-top: 1.6em; }
.article-body blockquote{
  border-left: 3px solid var(--brass); margin: 1.6em 0; padding: 4px 0 4px 20px;
  font-family: var(--font-display); font-style: italic; font-size: 1.15rem; color: var(--ink);
}
.article-body ul, .article-body ol{ color: var(--ink-soft); padding-left: 1.3em; }
.article-body li{ margin-bottom: 0.5em; }

.ad-slot{
  background: var(--paper-dim); border: 1px dashed var(--paper-line);
  text-align:center; padding: 18px; margin: 32px 0; font-family: var(--font-mono);
  font-size: 0.78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.06em;
}

/* ---------- Footer ---------- */
footer{ background: var(--ink); color: var(--paper-line); padding: 48px 0 28px; margin-top: 40px; }
footer .wrap{ display:flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
footer .foot-brand{ font-family: var(--font-display); font-weight: 800; color: var(--white); font-size: 1.2rem; }
footer nav ul{ list-style:none; display:flex; gap: 20px; padding:0; margin: 0; flex-wrap: wrap; }
footer nav a{ color: var(--paper-line); font-size: 0.9rem; }
footer nav a:hover{ color: var(--brass); }
.foot-fine{ font-family: var(--font-mono); font-size: 0.75rem; color: #5C6B62; margin-top: 24px; width: 100%; }

/* ---------- Forms (contact) ---------- */
form.contact-form .field{ max-width: 520px; }
textarea{
  width:100%; padding: 12px; font-family: var(--font-body); font-size: 1rem;
  border: 1px solid var(--paper-line); background: var(--white); border-radius: 2px; min-height: 140px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .calc-grid{ grid-template-columns: 1fr; }
  nav.main-nav ul{ gap: 16px; flex-wrap: wrap; }
  footer .wrap{ flex-direction: column; }
}