/* ============================================================
   MACON DECK BUILDING — Design System
   Signature concept: the deck cross-section (what's underneath
   matters more than what's on top). Plank-divider motif used
   as a structural device throughout, echoing real decking.
   ============================================================ */

:root {
  --parchment: #EFE8D8;
  --parchment-alt: #E6DCC6;
  --charcoal: #26221C;
  --charcoal-soft: #4A4238;
  --clay: #A2502D;
  --clay-light: #C06A3F;
  --pine: #2E4A3A;
  --pine-light: #3D6350;
  --oak: #C7A06B;
  --oak-line: #B08F5E;
  --white: #FBF9F3;

  --display: 'Bitter', Georgia, serif;
  --body: 'Karla', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --max-width: 1120px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  color: var(--charcoal);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: 2.2em; }
h3 { font-size: 1.25rem; margin-top: 1.6em; }

p { margin: 0 0 1.1em; max-width: 68ch; }
a { color: var(--clay); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--clay-light); }

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

/* ---------- Eyebrow / mono labels (blueprint / tape-measure feel) ---------- */
.eyebrow {
  font-family: var(--body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 3px;
  background: var(--clay);
  display: inline-block;
  border-radius: 2px;
}

/* ---------- Header / Nav ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--parchment);
  border-bottom: 2px solid var(--charcoal);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--charcoal);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo .logo-mark { color: var(--clay); }
nav.main-nav { display: flex; align-items: center; gap: 28px; }
nav.main-nav a {
  color: var(--charcoal);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}
nav.main-nav a:hover { color: var(--clay); }
.nav-cta {
  background: var(--clay);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--clay-light); color: var(--white) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); margin: 5px 0; }

@media (max-width: 860px) {
  nav.main-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--parchment);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 2px solid var(--charcoal);
  }
  nav.main-nav.open { display: flex; }
  nav.main-nav a { padding: 14px 24px; border-top: 1px solid var(--oak-line); }
  .nav-cta { margin: 14px 24px; text-align: center; }
  .nav-toggle { display: block; }
}

/* ---------- Plank divider (signature structural device) ---------- */
.plank-divider {
  display: flex;
  gap: 4px;
  height: 14px;
  margin: 0;
  padding: 0 24px;
  max-width: var(--max-width);
  margin-inline: auto;
}
.plank-divider span {
  flex: 1;
  background: linear-gradient(180deg, var(--oak) 0%, var(--oak-line) 100%);
  border-radius: 1px;
  position: relative;
  opacity: 0.55;
}
.plank-divider span::after {
  content: "";
  position: absolute;
  inset: 3px 6px;
  border-top: 1px solid rgba(38,34,28,0.12);
}
.plank-divider.pine span { background: linear-gradient(180deg, var(--pine-light), var(--pine)); }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 { margin-bottom: 0.4em; }
.hero .lede { font-size: 1.15rem; color: var(--charcoal-soft); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-block;
  font-family: var(--body);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--clay); color: var(--white); }
.btn-primary:hover { background: var(--clay-light); color: var(--white); }
.btn-secondary { background: transparent; color: var(--charcoal); border-color: var(--charcoal); }
.btn-secondary:hover { border-color: var(--clay); color: var(--clay); }

/* ---------- Cross-section diagram (signature element) ---------- */
.crosssection-wrap { position: relative; }
.crosssection-wrap svg { width: 100%; height: auto; display: block; }
.cs-callout {
  font-family: var(--body);
  font-size: 15px;
  fill: var(--charcoal-soft);
}
.cs-callout-label {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 700;
  fill: var(--clay);
}
.cs-hotspot { cursor: default; }
.cs-hotspot circle { fill: var(--clay); }
.cs-tooltip {
  fill: var(--white);
  stroke: var(--charcoal);
  stroke-width: 1.5;
}

/* ---------- Sections ---------- */
section { padding: 56px 0; }
section.alt { background: var(--parchment-alt); }
.section-head { max-width: 640px; margin-bottom: 32px; }

/* ---------- Failure-point cards (3 things underneath) ---------- */
.failpoint-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .failpoint-grid { grid-template-columns: 1fr; } }
.failpoint-card {
  background: var(--white);
  border: 1px solid var(--oak-line);
  border-radius: var(--radius);
  padding: 26px;
}
.failpoint-card .fp-num {
  font-family: var(--mono);
  color: var(--clay);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.failpoint-card h3 { margin-top: 8px; font-size: 1.1rem; }

/* ---------- Service grid ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--clay);
  text-decoration: none;
  color: var(--charcoal);
  display: block;
}
.service-card:hover { border-left-color: var(--pine); }
.service-card h3 { margin-top: 0; font-size: 1.1rem; color: var(--charcoal); }
.service-card p { font-size: 0.95rem; margin-bottom: 0; color: var(--charcoal-soft); }

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
  background: var(--white);
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--oak-line);
}
th {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pine);
  border-bottom: 2px solid var(--charcoal);
}
tr:last-child td { border-bottom: none; }

/* ---------- Callout boxes ---------- */
.callout {
  background: var(--white);
  border-left: 4px solid var(--pine);
  padding: 20px 24px;
  border-radius: var(--radius);
  margin: 24px 0;
}
.callout.clay { border-left-color: var(--clay); }
.callout p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--oak-line);
  padding: 20px 0;
}
.faq-item:first-child { border-top: 1px solid var(--oak-line); }
.faq-item h3 { margin: 0 0 8px; font-size: 1.05rem; }
.faq-item p { margin-bottom: 0; font-size: 0.98rem; }

/* ---------- Cost Estimator (interactive signature) ---------- */
.estimator {
  background: var(--white);
  border: 2px solid var(--charcoal);
  border-radius: var(--radius);
  padding: 32px;
  margin: 32px 0;
}
.estimator-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
@media (max-width: 640px) { .estimator-grid { grid-template-columns: 1fr; } }
.est-field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pine);
  margin-bottom: 8px;
}
.est-field select, .est-field input[type=range] { width: 100%; }
.est-field select {
  padding: 10px;
  border: 1px solid var(--oak-line);
  border-radius: var(--radius);
  font-family: var(--body);
  font-size: 0.95rem;
  background: var(--parchment);
}
.est-field .range-val { font-family: var(--mono); font-size: 0.9rem; color: var(--charcoal); margin-top: 4px; }
.estimator-output {
  background: var(--parchment);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
}
.estimator-output .est-number {
  font-family: var(--display);
  font-size: 2.2rem;
  color: var(--clay);
  font-weight: 700;
}
.estimator-output .est-disclaimer {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--charcoal-soft);
  margin-top: 8px;
}

/* ---------- Form ---------- */
.quote-form { max-width: 620px; }
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 6px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--oak-line);
  border-radius: var(--radius);
  font-family: var(--body);
  font-size: 1rem;
  background: var(--white);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; }
.form-status { margin-top: 14px; font-weight: 600; }
.form-status.success { color: var(--pine); }
.form-status.error { color: var(--clay); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--charcoal);
  color: var(--parchment);
  padding: 48px 0 32px;
  margin-top: 48px;
}
footer.site-footer a { color: var(--oak); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: var(--parchment);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(239,232,216,0.2);
  padding-top: 20px;
  font-size: 0.85rem;
  color: var(--oak);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mono-tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--pine);
  background: rgba(46,74,58,0.08);
  padding: 3px 8px;
  border-radius: 2px;
}
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--charcoal); color: var(--white);
  padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 3px solid var(--pine); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}