/* ============================================================
   RenovationCostGuide — "Cost Ledger" design system
   Display: Fraunces | Body: IBM Plex Sans | Data: IBM Plex Mono
   ============================================================ */

:root {
  --ink: #1B211E;
  --ink-soft: #454F49;
  --paper: #F6F0E1;
  --paper-alt: #ECE4CD;
  --paper-deep: #E3D9BC;
  --card: #FCFAF3;
  --white: #FFFFFF;
  --accent: #C1741F;
  --accent-deep: #8F4E12;
  --accent-tint: #F1DDBC;
  --blue: #2A5A66;
  --blue-deep: #16343C;
  --blue-tint: #DCE6E5;
  --line: #D8CFB8;
  --line-strong: #B9AD8C;
  --success: #3D7A4E;
  --warn: #A6431C;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --radius: 3px;
  --shadow-card: 0 1px 2px rgba(27,33,30,0.06), 0 8px 24px -12px rgba(27,33,30,0.18);
  --shadow-lift: 0 2px 4px rgba(27,33,30,0.08), 0 16px 40px -16px rgba(27,33,30,0.28);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
main { display: block; overflow-x: hidden; max-width: 100%; }

img { max-width: 100%; display: block; }
a { color: var(--blue-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-deep); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-weight: 500; }
p { margin: 0 0 1.1em; }
.lede { font-size: 1.22rem; color: var(--ink-soft); max-width: 62ch; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 28px; }

/* ---------- Blueprint grid texture (signature ambient pattern) ---------- */
.grid-texture {
  background-image:
    radial-gradient(circle, rgba(42,90,102,0.14) 1px, transparent 1px);
  background-size: 22px 22px;
}
.grid-texture-dark {
  background-image:
    radial-gradient(circle, rgba(246,240,225,0.12) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* ---------- Nav: floating ledger tab ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,240,225,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; max-width: var(--container); margin: 0 auto; gap: 24px;
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 1.28rem;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.brand:hover { color: var(--ink); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: var(--accent); color: var(--white);
  font-family: var(--font-mono); font-weight: 700; font-size: 0.82rem;
  border-radius: 2px;
}
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: var(--ink-soft); text-decoration: none; font-size: 0.94rem; font-weight: 500;
  padding: 6px 2px; border-bottom: 2px solid transparent; transition: border-color .2s;
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.nav-cta {
  background: var(--ink); color: var(--paper) !important; padding: 9px 18px !important;
  border-radius: var(--radius); font-size: 0.9rem !important; border-bottom: none !important;
}
.nav-cta:hover { background: var(--accent-deep); }
.nav-toggle { display: none; }

/* ---------- Breadcrumb ---------- */
.crumbs {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft);
  padding: 14px 0 0; letter-spacing: 0.01em;
}
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--accent-deep); }
.crumbs .sep { margin: 0 6px; color: var(--line-strong); }

/* ---------- Hero: editorial split, ticket on the right ---------- */
.hero {
  padding: 40px 0 64px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: start;
  margin-top: 22px;
}
.eyebrow {
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.76rem; color: var(--accent-deep); font-weight: 600; margin-bottom: 14px; display: block;
}
.hero h1 { font-size: clamp(2.1rem, 3.6vw, 3.35rem); max-width: 15ch; }
.hero-sub { font-size: 1.12rem; color: var(--ink-soft); max-width: 54ch; margin-top: 14px; }
.hero-meta { display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap; }
.meta-chip {
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft);
  border-left: 2px solid var(--accent); padding-left: 10px;
}
.meta-chip strong { display: block; color: var(--ink); font-size: 0.95rem; }

/* ---------- Estimate ticket (signature element) ---------- */
.ticket {
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  box-shadow: var(--shadow-lift);
  position: relative;
  padding: 26px 26px 22px;
}
.ticket::before {
  content: "";
  position: absolute; top: -1px; left: 20px; right: 20px; height: 0;
  border-top: 2px dashed var(--line-strong);
}
.ticket-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  border-bottom: 1px dashed var(--line-strong); padding-bottom: 14px; margin-bottom: 16px;
}
.ticket-label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-soft);
}
.ticket-stamp {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  color: var(--success); border: 1.5px solid var(--success); border-radius: 3px;
  padding: 3px 8px; transform: rotate(-3deg); letter-spacing: 0.05em;
}
.ticket-range {
  font-family: var(--font-mono); font-weight: 700; font-size: 1.9rem; color: var(--ink);
  line-height: 1.1;
}
.ticket-range .to { color: var(--ink-soft); font-weight: 400; margin: 0 6px; font-size: 1.2rem; }
.ticket-avg {
  margin-top: 10px; font-size: 0.92rem; color: var(--ink-soft);
}
.ticket-avg strong { font-family: var(--font-mono); color: var(--accent-deep); }
.ticket-rows { margin-top: 18px; display: grid; gap: 9px; }
.ticket-row {
  display: flex; justify-content: space-between; font-size: 0.88rem;
  padding-bottom: 8px; border-bottom: 1px dotted var(--line);
}
.ticket-row span:first-child { color: var(--ink-soft); }
.ticket-row span:last-child { font-family: var(--font-mono); font-weight: 600; }
.ticket-foot {
  margin-top: 18px; font-size: 0.78rem; color: var(--ink-soft); line-height: 1.5;
}
.ticket-cta {
  display: block; text-align: center; margin-top: 16px; background: var(--accent);
  color: var(--white) !important; padding: 12px; border-radius: var(--radius);
  font-weight: 600; text-decoration: none; font-size: 0.92rem;
}
.ticket-cta:hover { background: var(--accent-deep); }

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--paper-alt); }
.section-head { max-width: 68ch; margin-bottom: 34px; }
.section-head .eyebrow { margin-bottom: 10px; }
.section h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); }

/* ---------- Cost breakdown bars ---------- */
.breakdown-list { display: grid; gap: 14px; margin-top: 22px; }
.breakdown-item { display: grid; grid-template-columns: 200px 1fr 52px; align-items: center; gap: 14px; }
.breakdown-name { font-size: 0.92rem; font-weight: 600; }
.breakdown-track { height: 10px; background: var(--paper-deep); border-radius: 20px; overflow: hidden; }
.breakdown-fill { height: 100%; background: var(--blue); border-radius: 20px; }
.breakdown-pct { font-family: var(--font-mono); font-size: 0.84rem; text-align: right; color: var(--ink-soft); }

/* ---------- Factor / material grids ---------- */
.factor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 22px; }
.factor-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; font-size: 0.94rem; display: flex; gap: 12px;
}
.factor-num { font-family: var(--font-mono); color: var(--accent); font-weight: 700; flex-shrink: 0; }

.material-table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 0.93rem; }
.material-table th {
  text-align: left; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--ink-soft); border-bottom: 1px solid var(--line-strong);
  padding: 10px 12px;
}
.material-table td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.material-table tr:last-child td { border-bottom: none; }

/* ---------- Local factors callout ---------- */
.callout {
  background: var(--blue-tint); border-left: 4px solid var(--blue);
  padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; margin: 24px 0;
}
.callout h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--blue-deep); }
.callout p:last-child { margin-bottom: 0; }
.callout.warn { background: #F3E4D8; border-left-color: var(--warn); }
.callout.warn h3 { color: var(--warn); }

/* ---------- FAQ accordion ---------- */
.faq-list { margin-top: 22px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; padding: 18px 4px; font-weight: 600; font-size: 1.02rem;
  display: flex; justify-content: space-between; align-items: center; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--font-mono); font-size: 1.3rem; color: var(--accent);
  flex-shrink: 0; margin-left: 16px; transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 4px 18px; color: var(--ink-soft); max-width: 68ch; }

/* ---------- Related grid / project cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; margin-top: 22px; }
.proj-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; text-decoration: none; color: var(--ink); transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column; gap: 6px;
}
.proj-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); color: var(--ink); }
.proj-card .cat { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-deep); }
.proj-card .name { font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; }
.proj-card .range { font-family: var(--font-mono); font-size: 0.86rem; color: var(--ink-soft); margin-top: 4px; }

.city-pill-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.city-pill {
  font-family: var(--font-mono); font-size: 0.86rem; padding: 9px 16px; background: var(--card);
  border: 1px solid var(--line); border-radius: 30px; text-decoration: none; color: var(--ink);
}
.city-pill:hover { border-color: var(--accent); color: var(--accent-deep); }

/* ---------- Calculator ---------- */
.calc-panel {
  background: var(--card); border: 1px solid var(--line-strong); border-radius: var(--radius);
  box-shadow: var(--shadow-lift); padding: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field label { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }
.calc-field select, .calc-field input {
  font-family: var(--font-body); font-size: 1rem; padding: 11px 12px; border: 1px solid var(--line-strong);
  border-radius: var(--radius); background: var(--white); color: var(--ink);
}
.calc-field.full { grid-column: 1 / -1; }
.calc-result {
  grid-column: 1 / -1; background: var(--ink); color: var(--paper); border-radius: var(--radius);
  padding: 24px; margin-top: 4px;
}
.calc-result .label { font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; color: #A9B3AB; }
.calc-result .figure { font-family: var(--font-mono); font-weight: 700; font-size: 2.6rem; margin-top: 8px; color: var(--paper); }
.calc-result .figure .to { color: #7C877F; margin: 0 8px; font-weight: 400; font-size: 1.6rem; }
.calc-result .sub { font-size: 0.9rem; color: #C7CDC5; margin-top: 10px; }

/* ---------- Guide / article ---------- */
.article-body { font-size: 1.06rem; max-width: 72ch; }
.article-body h2 { margin-top: 2em; font-size: 1.5rem; }
.article-body h3 { margin-top: 1.5em; font-size: 1.18rem; }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: 0.5em; }
.byline {
  display: flex; align-items: center; gap: 12px; margin: 18px 0 0; font-size: 0.88rem; color: var(--ink-soft);
  font-family: var(--font-mono);
}
.byline .dot { color: var(--line-strong); }

/* ---------- Author / methodology box ---------- */
.trust-box {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px;
  background: var(--paper-alt); margin-top: 40px; font-size: 0.92rem;
}
.trust-box h3 { font-size: 1rem; margin-bottom: 8px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #C7CDC5; padding: 56px 0 30px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.footer-brand { font-family: var(--font-display); font-size: 1.2rem; color: var(--paper); margin-bottom: 10px; }
.footer-desc { font-size: 0.88rem; line-height: 1.6; max-width: 34ch; color: #9AA39C; }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: #7C877F; margin-bottom: 14px; font-weight: 600;
}
.footer-col a {
  display: block; color: #C7CDC5; text-decoration: none; font-size: 0.88rem; margin-bottom: 9px;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid #333B36; margin-top: 40px; padding-top: 22px; display: flex;
  justify-content: space-between; font-size: 0.8rem; color: #7C877F; flex-wrap: wrap; gap: 10px;
}
.footer-bottom a { color: #9AA39C; text-decoration: none; margin-left: 18px; }

/* ---------- AdSense slot wrapper ---------- */
.ad-slot { margin: 36px 0; text-align: center; }
.ad-slot .ad-label {
  font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--line-strong); margin-bottom: 6px;
}

/* ---------- Category filter (home) ---------- */
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.filter-chip {
  font-family: var(--font-mono); font-size: 0.82rem; padding: 8px 16px; border-radius: 30px;
  border: 1px solid var(--line-strong); background: var(--card); cursor: pointer; color: var(--ink);
}
.filter-chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- Stat row (home hero) ---------- */
.stat-row { display: flex; gap: 40px; margin-top: 34px; flex-wrap: wrap; }
.stat { }
.stat .num { font-family: var(--font-mono); font-weight: 700; font-size: 1.9rem; color: var(--accent-deep); }
.stat .lbl { font-size: 0.84rem; color: var(--ink-soft); margin-top: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: var(--radius); font-weight: 600;
  text-decoration: none; font-size: 0.95rem; border: 1.5px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-deep); color: var(--white); }
.btn-outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .calc-panel { grid-template-columns: 1fr; }
  .factor-grid { grid-template-columns: 1fr; }
  .breakdown-item { grid-template-columns: 130px 1fr 44px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-desc { grid-column: 1 / -1; }
  .stat-row { gap: 24px; }
  .ticket-range { font-size: 1.55rem; }
  .calc-result .figure { font-size: 2rem; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}