/* R.E.B. Engineering — site styles
   Palette: survey-plan ink on cool paper, contour green, benchmark brass. */

:root {
  --paper: #F4F6F3;
  --paper-deep: #E6EBE5;
  --ink: #1C2A24;
  --ink-soft: #4A5A52;
  --contour: #7E9A84;
  --brass: #A8823A;
  --brass-dark: #7D6026;
  --line: #C9D3CB;

  --font: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Barlow Semi Condensed", "Barlow", "Arial Narrow", sans-serif;

  --measure: 66ch;
  --wrap: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 0.2em; text-decoration-thickness: 1.5px; }
a:hover { color: var(--brass-dark); }

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

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; z-index: 10;
}
.skip-link:focus { left: 1rem; top: 1rem; }

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

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; margin: 0 0 0.5em; }
h1 { font-weight: 600; font-size: clamp(2.25rem, 5vw, 3.5rem); letter-spacing: -0.01em; }
h2 { font-weight: 600; font-size: 1.6rem; }
h3 { font-weight: 600; font-size: 1.2rem; }
p { margin: 0 0 1em; }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; padding-top: 1rem; padding-bottom: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand img { height: 48px; width: auto; }
.brand span { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; color: var(--ink); }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-nav a { text-decoration: none; font-weight: 500; padding: 0.35rem 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { border-bottom-color: var(--contour); color: var(--ink); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--brass); }

/* ---------- Hero (home only) ---------- */
.hero {
  position: relative;
  background: var(--paper) url("/img/contours.svg") center / cover no-repeat;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero .wrap { padding-top: clamp(4rem, 12vw, 9rem); padding-bottom: clamp(4rem, 10vw, 8rem); }
.hero h1 {
  font-size: clamp(2.75rem, 7.5vw, 5.75rem);
  font-weight: 600;
  line-height: 0.98;
  max-width: 15ch;
  margin-bottom: 0.4em;
}
.hero p { font-size: 1.2rem; max-width: 46ch; color: var(--ink-soft); }

/* Survey benchmark disc — the one decorative flourish */
.benchmark {
  display: inline-flex; align-items: center; gap: 0.9rem;
  margin-top: 1.5rem;
  font-size: 0.95rem; color: var(--ink-soft);
}
.benchmark svg { width: 46px; height: 46px; flex: none; }
.benchmark strong { color: var(--ink); font-weight: 600; display: block; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.25rem; }

/* ---------- Buttons ---------- */
.button {
  display: inline-block; font: inherit; font-weight: 600;
  padding: 0.75rem 1.4rem; border-radius: 3px; cursor: pointer;
  text-decoration: none; border: 2px solid var(--ink);
  background: var(--ink); color: var(--paper);
}
.button:hover { background: var(--brass-dark); border-color: var(--brass-dark); color: #fff; }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- Content pages ---------- */
.page { padding: clamp(2.5rem, 7vw, 5rem) 0; }
.page-grid { display: grid; gap: 2rem 4rem; grid-template-columns: 1fr; }
@media (min-width: 52rem) {
  .page-grid { grid-template-columns: 16rem 1fr; }
  .page-grid > header { position: sticky; top: 2rem; align-self: start; }
}
.page-grid > header h1 { font-size: clamp(2.25rem, 4vw, 3rem); }
.page-grid > header p { color: var(--ink-soft); }
.prose { max-width: var(--measure); }
.prose h2 { margin-top: 2.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4em; }
.prose li::marker { color: var(--brass); }

figure { margin: 2rem 0; }
figcaption { font-size: 0.9rem; color: var(--ink-soft); margin-top: 0.5rem; }

/* Home: services overview */
.overview { padding: clamp(3rem, 8vw, 5.5rem) 0; }
.overview-grid { display: grid; gap: 2rem 3rem; grid-template-columns: 1fr; }
@media (min-width: 48rem) { .overview-grid { grid-template-columns: repeat(3, 1fr); } }
.overview-grid > div { border-top: 3px solid var(--ink); padding-top: 1rem; }
.overview-grid p { color: var(--ink-soft); margin: 0; }
.overview-intro { max-width: 52ch; margin-bottom: 2.5rem; }

/* Links list */
.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { border-bottom: 1px solid var(--line); margin: 0; }
.link-list a { display: block; padding: 0.85rem 0; text-decoration: none; font-weight: 500; }
.link-list a:hover { color: var(--brass-dark); }
.link-list small { display: block; font-weight: 400; color: var(--ink-soft); }

/* Contact */
.contact-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 60rem) { .contact-grid { grid-template-columns: 1.3fr 1fr; } }
.contact-details address { font-style: normal; margin-bottom: 1.5rem; }
.contact-details h2 { font-size: 1.2rem; margin-top: 1.75rem; }
.contact-details h2:first-child { margin-top: 0; }

form .field { margin-bottom: 1.15rem; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
label .optional { font-weight: 400; color: var(--ink-soft); }
input, select, textarea {
  width: 100%; font: inherit; color: var(--ink);
  background: #fff; border: 1px solid #9DAAA1; border-radius: 3px;
  padding: 0.65rem 0.75rem;
}
input:focus, select:focus, textarea:focus { outline: 3px solid var(--brass); outline-offset: 0; border-color: var(--ink); }
textarea { min-height: 9rem; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: 0.9rem; color: var(--ink-soft); margin-top: 1rem; }

.map { border: 1px solid var(--line); width: 100%; aspect-ratio: 4 / 3; margin-top: 1rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--paper-deep); font-size: 0.95rem; }
.site-footer .wrap { display: grid; gap: 1.5rem 3rem; grid-template-columns: 1fr; padding-top: 2.5rem; padding-bottom: 2.5rem; }
@media (min-width: 48rem) { .site-footer .wrap { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer a { color: var(--paper); text-decoration-color: var(--contour); }
.site-footer a:hover { color: #fff; }
.site-footer h2 { font-size: 1.05rem; color: #fff; margin-bottom: 0.6rem; }
.site-footer address { font-style: normal; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.3rem; }
.legal { border-top: 1px solid #3A4A42; }
.legal .wrap { display: block; padding-top: 1rem; padding-bottom: 1rem; color: #A9B6AE; font-size: 0.85rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}