:root {
  --charcoal: #1f2925;
  --charcoal-2: #39443f;
  --wood: #d3b27f;
  --wood-deep: #805f37;
  --warm-white: #fbfbf8;
  --paper: #eef1ec;
  --ink: #202824;
  --muted: #5b6660;
  --accent: #16725f;
  --accent-dark: #0f5547;
  --line: rgba(31, 41, 37, .17);
  --radius: 8px;
  --shadow: 0 18px 45px rgba(37, 34, 31, .14);
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--warm-white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section-warm { background: var(--paper); }
.section-dark { background: var(--charcoal); color: var(--warm-white); }
.skip-link {
  position: absolute; top: 12px; left: 12px; z-index: 100;
  translate: 0 -180%; padding: 10px 14px; background: var(--accent); color: white; font-weight: 800;
}
.skip-link:focus { translate: 0; }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.site-header {
  position: sticky; top: 0; z-index: 20; background: rgba(251, 251, 248, .96);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(10px);
}
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; text-decoration: none; letter-spacing: 0; }
.brand-mark { display: grid; place-items: center; inline-size: 36px; block-size: 36px; border-radius: var(--radius); background: var(--charcoal); color: var(--warm-white); font-weight: 900; }
.brand-name { font-size: 1.15rem; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a { padding: 10px 12px; border-radius: var(--radius); text-decoration: none; font-weight: 700; color: var(--muted); }
.site-nav a:hover { background: var(--paper); color: var(--ink); }
.nav-toggle { display: none; }

.hero { position: relative; isolation: isolate; display: grid; align-items: end; min-height: min(820px, calc(90svh - 72px)); overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(13, 22, 18, .67); }
.hero-background { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 760px); padding-block: clamp(60px, 9vw, 104px); }
.hero-copy { max-width: 760px; color: var(--warm-white); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0; }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: 0; overflow-wrap: anywhere; }
.hero-copy, .section-heading, .card, .steps li, .ideas-grid, .material-grid > *, .faq-grid > * { min-width: 0; }
h1 { font-size: 5rem; max-width: 820px; }
h2 { font-size: 3.4rem; }
h3 { font-size: 1.5rem; }
p { margin: 18px 0 0; }
.lead { font-size: 1.3rem; color: var(--charcoal-2); }
.hero .eyebrow { color: #b9e3d8; }
.hero .lead, .hero .microcopy { color: rgba(251, 251, 248, .88); }
.hero .button-secondary { color: var(--warm-white); }
.hero-caption { margin-top: 28px; color: #d8c197; font-size: .9rem; font-weight: 800; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 13px 18px; border: 2px solid currentColor; border-radius: var(--radius); font-weight: 900; text-decoration: none; transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.button-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button-secondary { color: var(--ink); background: transparent; }
.section-dark .button-secondary { color: var(--warm-white); }
.microcopy { color: var(--muted); font-size: .95rem; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading > p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }
.compact { margin-bottom: 0; }
.cards { display: grid; gap: 18px; }
.three-col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-height: 100%; }
.card img { aspect-ratio: 4 / 3; object-fit: cover; border-radius: calc(var(--radius) - 2px); margin-bottom: 18px; background: #ead8b9; }
.card h3 { margin-top: 4px; }
.card p { color: var(--muted); }
.card-accent { display: flex; flex-direction: column; justify-content: flex-end; background: var(--charcoal); color: var(--warm-white); padding: 28px; }
.card-accent p { color: rgba(255, 249, 237, .78); }
.text-link { margin-top: 24px; color: var(--wood); font-weight: 900; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 6vw, 76px); align-items: start; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #ffffff; }
.steps span { grid-row: span 2; color: var(--accent); font-weight: 900; letter-spacing: 0; }
.steps strong { font-size: 1.1rem; }
.steps p { margin-top: 2px; color: var(--muted); }

.ideas { padding-top: 0; }
.ideas-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: start; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.check-list { columns: 2; gap: 28px; margin: 0; padding-left: 1.2rem; }
.check-list li { break-inside: avoid; margin-bottom: 10px; }
.check-list li::marker { color: var(--accent); }
.ideas-cta { margin-top: 22px; }

.material-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(28px, 6vw, 72px); align-items: center; }
.material-grid img { border-radius: var(--radius); background: var(--wood); }
.section-dark .eyebrow { color: var(--wood); }
.section-dark p { color: rgba(255, 249, 237, .8); }
.local-box, .final-box { padding: clamp(28px, 5vw, 54px); border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper); text-align: center; }
.local-box p, .final-box p { max-width: 700px; margin-inline: auto; color: var(--muted); }
.local-box .button, .final-box .button { margin-top: 24px; }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; align-items: start; }
.faq-list { display: grid; gap: 10px; }
details { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--radius); padding: 0; }
summary { cursor: pointer; padding: 18px 20px; font-weight: 900; }
summary::marker { color: var(--accent); }
details p { margin: 0; padding: 0 20px 20px; color: var(--muted); }

.site-footer { padding: 34px 0 86px; background: var(--charcoal); color: var(--warm-white); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--wood); }
.mobile-wa { display: none; }

@media (max-width: 860px) {
  .container { width: min(100% - 24px, 680px); }
  .header-inner { min-height: 64px; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; inline-size: 44px; block-size: 44px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--warm-white); }
  .nav-toggle span[aria-hidden="true"], .nav-toggle span[aria-hidden="true"]::before, .nav-toggle span[aria-hidden="true"]::after { content: ""; display: block; inline-size: 18px; block-size: 2px; background: var(--ink); position: relative; }
  .nav-toggle span[aria-hidden="true"]::before { position: absolute; top: -6px; }
  .nav-toggle span[aria-hidden="true"]::after { position: absolute; top: 6px; }
  .site-nav { display: none; position: absolute; inset: 64px 12px auto; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--warm-white); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  body.nav-open .site-nav { display: flex; }
  h1 { font-size: 3.6rem; }
  h2 { font-size: 2.75rem; }
  .hero { min-height: auto; }
  .hero-grid, .split, .ideas-grid, .material-grid, .faq-grid { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .check-list { columns: 1; }
  .mobile-wa { display: inline-flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 30; min-height: 54px; align-items: center; justify-content: center; border-radius: var(--radius); background: var(--accent); color: #fff; font-weight: 900; text-decoration: none; box-shadow: 0 12px 28px rgba(37, 34, 31, .24); opacity: 0; pointer-events: none; translate: 0 16px; transition: opacity .18s ease, translate .18s ease; }
  body.mobile-cta-visible .mobile-wa { opacity: 1; pointer-events: auto; translate: 0; }
  .site-footer { padding-bottom: 92px; }
}

@media (max-width: 520px) {
  .section { padding: 54px 0; }
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2.25rem; }
  .hero-grid { padding-block: 32px 40px; }
  .hero .button-secondary { display: none; }
  .steps li { grid-template-columns: 1fr; }
  .steps span { grid-row: auto; }
  .ideas-grid, .local-box, .final-box { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}