/* =========================================================================
   Polished Concrete Central — Component Library
   Industrial / premium-flooring aesthetic: concrete greys, graphite ink,
   brushed-bronze sheen accent. Built for Central Coast / Newcastle /
   Hunter Valley concrete polishing & floor coating trade.
   ========================================================================= */

:root {
  /* ---- Brand palette ---- */
  --bc-paper: #F4F3EF;          /* warm concrete-dust white */
  --bc-paper-alt: #E9E7E1;      /* slightly deeper paper for section banding */
  --bc-ink: #1E2124;            /* near-black graphite ink */
  --bc-ink-soft: #4A4F55;       /* secondary text on paper */

  --bc-primary: #383F45;        /* graphite / troweled concrete */
  --bc-primary-dark: #23272B;   /* deep graphite, header/footer */
  --bc-primary-light: #5A6167;  /* lighter graphite for borders/rules */

  --bc-accent: #B98A44;         /* brushed bronze / polished sheen */
  --bc-accent-dark: #83592A;    /* pressed / hover state */
  --bc-accent-light: #E7C88C;   /* pale bronze for subtle highlights */

  --bc-line: #D8D5CC;           /* hairline border on paper */
  --bc-line-dark: #4A5157;      /* hairline border on graphite */

  --bc-success: #3E7A4F;
  --bc-white: #FFFFFF;

  /* ---- Type scale ---- */
  --bc-font-head: "Oswald", "Arial Narrow", Arial, sans-serif;
  --bc-font-body: "Inter", "Segoe UI", Arial, sans-serif;

  --bc-fs-h1: clamp(2.1rem, 1.6rem + 2.2vw, 3.4rem);
  --bc-fs-h2: clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem);
  --bc-fs-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
  --bc-fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  --bc-fs-body: 1rem;
  --bc-fs-small: 0.875rem;
  --bc-fs-eyebrow: 0.8rem;

  --bc-lh-tight: 1.15;
  --bc-lh-normal: 1.6;

  /* ---- Space scale ---- */
  --bc-space-1: 0.25rem;
  --bc-space-2: 0.5rem;
  --bc-space-3: 0.75rem;
  --bc-space-4: 1rem;
  --bc-space-5: 1.5rem;
  --bc-space-6: 2rem;
  --bc-space-7: 3rem;
  --bc-space-8: 4.5rem;
  --bc-space-9: 6.5rem;

  --bc-radius-sm: 4px;
  --bc-radius-md: 8px;
  --bc-radius-lg: 14px;

  --bc-shadow-sm: 0 1px 3px rgba(30, 33, 36, 0.12);
  --bc-shadow-md: 0 8px 24px rgba(30, 33, 36, 0.16);
  --bc-shadow-lg: 0 18px 40px rgba(30, 33, 36, 0.22);

  --bc-container-w: 1180px;
}

/* ---- Reset-ish base ---- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bc-paper);
  color: var(--bc-ink);
  font-family: var(--bc-font-body);
  font-size: var(--bc-fs-body);
  line-height: var(--bc-lh-normal);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--bc-font-head);
  line-height: var(--bc-lh-tight);
  margin: 0 0 var(--bc-space-4);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--bc-ink);
}
p { margin: 0 0 var(--bc-space-4); }

/* =========================================================================
   Container
   ========================================================================= */
.bc-container {
  width: 100%;
  max-width: var(--bc-container-w);
  margin: 0 auto;
  padding: 0 var(--bc-space-5);
}

/* =========================================================================
   Eyebrow
   ========================================================================= */
.bc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--bc-space-2);
  font-family: var(--bc-font-body);
  font-size: var(--bc-fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bc-accent-dark);
  margin-bottom: var(--bc-space-3);
}
.bc-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--bc-accent);
  display: inline-block;
}
.bc-eyebrow--on-dark { color: var(--bc-accent-light); }

/* =========================================================================
   Buttons
   ========================================================================= */
.bc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--bc-space-2);
  padding: 0.85em 1.7em;
  font-family: var(--bc-font-body);
  font-weight: 700;
  font-size: var(--bc-fs-small);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--bc-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.bc-btn:hover { transform: translateY(-1px); }
.bc-btn--primary {
  background: var(--bc-accent);
  color: var(--bc-ink);
  border-color: var(--bc-accent);
}
.bc-btn--primary:hover { background: var(--bc-accent-dark); border-color: var(--bc-accent-dark); color: var(--bc-white); }

.bc-btn--accent {
  background: var(--bc-primary-dark);
  color: var(--bc-white);
  border-color: var(--bc-primary-dark);
}
.bc-btn--accent:hover { background: var(--bc-ink); border-color: var(--bc-ink); }

.bc-btn--ghost {
  background: transparent;
  color: var(--bc-white);
  border-color: rgba(255,255,255,0.55);
}
.bc-btn--ghost:hover { background: rgba(255,255,255,0.12); border-color: var(--bc-white); }

.bc-btn--outline {
  background: transparent;
  color: var(--bc-ink);
  border-color: var(--bc-ink);
}
.bc-btn--outline:hover { background: var(--bc-ink); color: var(--bc-white); }

/* =========================================================================
   Site shell: header / nav / footer
   ========================================================================= */
.site-header {
  background: var(--bc-primary-dark);
  color: var(--bc-white);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--bc-shadow-sm);
}
.site-header .bc-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bc-space-5);
  padding-top: var(--bc-space-3);
  padding-bottom: var(--bc-space-3);
}
.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--bc-space-3);
  font-family: var(--bc-font-head);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--bc-white);
}
.site-header__brand img, .site-header__brand svg { width: 40px; height: 40px; }
.site-header__brand strong { color: var(--bc-accent-light); }

.site-nav { display: flex; align-items: center; gap: var(--bc-space-6); }
.site-nav__list {
  list-style: none;
  display: flex;
  gap: var(--bc-space-5);
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav__list a {
  text-decoration: none;
  color: var(--bc-white);
  font-size: var(--bc-fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--bc-space-2) 0;
  border-bottom: 2px solid transparent;
}
.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  border-bottom-color: var(--bc-accent);
  color: var(--bc-accent-light);
}
.site-nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--bc-white);
  padding: var(--bc-space-2) var(--bc-space-3);
  border-radius: var(--bc-radius-sm);
}

.site-footer {
  background: var(--bc-ink);
  color: #D6D3CC;
  padding: var(--bc-space-8) 0 var(--bc-space-5);
  font-size: var(--bc-fs-small);
}
.site-footer a { color: var(--bc-accent-light); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--bc-space-6);
  margin-bottom: var(--bc-space-6);
}
.site-footer__heading {
  font-family: var(--bc-font-head);
  color: var(--bc-white);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  margin-bottom: var(--bc-space-3);
}
.site-footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--bc-space-2); }
.site-footer__bottom {
  border-top: 1px solid var(--bc-line-dark);
  padding-top: var(--bc-space-4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--bc-space-3);
  color: #A6A29A;
}

/* =========================================================================
   Hero
   ========================================================================= */
.bc-hero {
  position: relative;
  background: linear-gradient(135deg, var(--bc-primary-dark) 0%, var(--bc-primary) 62%, var(--bc-primary-light) 100%);
  color: var(--bc-white);
  padding: var(--bc-space-9) 0;
  overflow: hidden;
}
.bc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 20%, rgba(185,138,68,0.28), transparent 55%);
  pointer-events: none;
}
.bc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--bc-space-7);
  align-items: center;
}
.bc-hero__title {
  font-size: var(--bc-fs-h1);
  color: var(--bc-white);
  margin-bottom: var(--bc-space-4);
}
.bc-hero__title em {
  font-style: normal;
  color: var(--bc-accent-light);
}
.bc-hero__lede {
  font-size: var(--bc-fs-lead);
  color: #E7E5DF;
  max-width: 46ch;
  margin-bottom: var(--bc-space-5);
}
.bc-hero__actions { display: flex; gap: var(--bc-space-4); flex-wrap: wrap; }
.bc-hero__media {
  border-radius: var(--bc-radius-lg);
  overflow: hidden;
  box-shadow: var(--bc-shadow-lg);
  border: 1px solid rgba(255,255,255,0.15);
}
.bc-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.bc-hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--bc-space-7);
  margin-top: var(--bc-space-7);
  flex-wrap: wrap;
}
.bc-hero__stat-num {
  font-family: var(--bc-font-head);
  font-size: 1.9rem;
  color: var(--bc-accent-light);
  display: block;
}
.bc-hero__stat-label {
  font-size: var(--bc-fs-small);
  color: #CFCBC2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =========================================================================
   Prose
   ========================================================================= */
.bc-prose {
  padding: var(--bc-space-8) 0;
}
.bc-prose__inner { max-width: 74ch; }
.bc-prose--with-image .bc-prose__inner { max-width: none; }
.bc-prose--with-image .bc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bc-space-7);
  align-items: center;
}
.bc-prose--with-image img {
  border-radius: var(--bc-radius-md);
  box-shadow: var(--bc-shadow-md);
}
.bc-prose h2 { font-size: var(--bc-fs-h2); }
.bc-prose h3 { font-size: var(--bc-fs-h3); }
.bc-prose p { color: var(--bc-ink-soft); }
.bc-prose ul { color: var(--bc-ink-soft); padding-left: 1.2em; }
.bc-prose li { margin-bottom: var(--bc-space-2); }

.bc-prose--has-color {
  background: var(--bc-paper-alt);
}
.bc-prose--dark {
  background: var(--bc-primary-dark);
  color: var(--bc-white);
}
.bc-prose--dark h2, .bc-prose--dark h3 { color: var(--bc-white); }
.bc-prose--dark p, .bc-prose--dark li { color: #D6D3CC; }

/* =========================================================================
   Grid (services / features)
   ========================================================================= */
.bc-grid { padding: var(--bc-space-8) 0; }
.bc-grid__head { max-width: 62ch; margin: 0 auto var(--bc-space-7); text-align: center; }
.bc-grid__head .bc-eyebrow { justify-content: center; width: 100%; }
.bc-grid__cells {
  display: grid;
  gap: var(--bc-space-5);
  grid-template-columns: repeat(3, 1fr);
}
.bc-grid--2col .bc-grid__cells { grid-template-columns: repeat(2, 1fr); }
.bc-grid--3col .bc-grid__cells { grid-template-columns: repeat(3, 1fr); }
.bc-grid--4col .bc-grid__cells { grid-template-columns: repeat(4, 1fr); }

.bc-grid__card {
  background: var(--bc-white);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: var(--bc-space-5);
  box-shadow: var(--bc-shadow-sm);
  transition: box-shadow .18s ease, transform .18s ease;
}
.bc-grid__card:hover { box-shadow: var(--bc-shadow-md); transform: translateY(-2px); }
.bc-grid__card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--bc-radius-sm);
  margin-bottom: var(--bc-space-4);
}
.bc-grid--text-only .bc-grid__card { padding: var(--bc-space-6) var(--bc-space-5); }
.bc-grid--imaged .bc-grid__card { padding: var(--bc-space-4); }
.bc-grid__card h3 { font-size: 1.1rem; margin-bottom: var(--bc-space-2); }
.bc-grid__card p { color: var(--bc-ink-soft); font-size: var(--bc-fs-small); margin-bottom: 0; }
.bc-grid__card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--bc-radius-sm);
  background: var(--bc-primary-dark);
  color: var(--bc-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--bc-space-4);
  font-weight: 700;
}

/* =========================================================================
   FAQ
   ========================================================================= */
.bc-faq { padding: var(--bc-space-8) 0; background: var(--bc-paper-alt); }
.bc-faq__list { max-width: 78ch; margin: 0 auto; display: grid; gap: var(--bc-space-3); }
.bc-faq__item {
  background: var(--bc-white);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: var(--bc-space-4) var(--bc-space-5);
}
.bc-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bc-space-4);
  font-family: var(--bc-font-head);
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  text-transform: none;
  cursor: pointer;
  color: var(--bc-ink);
  list-style: none;
}
.bc-faq__q::-webkit-details-marker { display: none; }
.bc-faq__q::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--bc-accent-dark);
  flex-shrink: 0;
}
details[open] .bc-faq__q::after { content: "\2212"; }
.bc-faq__a { color: var(--bc-ink-soft); margin-top: var(--bc-space-3); }

/* =========================================================================
   Gallery
   ========================================================================= */
.bc-gallery { padding: var(--bc-space-8) 0; }
.bc-gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--bc-space-4);
}
.bc-gallery__cell { position: relative; border-radius: var(--bc-radius-sm); overflow: hidden; }
.bc-gallery__cell img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.bc-gallery__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(30,33,36,0.85), transparent);
  color: var(--bc-white);
  font-size: var(--bc-fs-small);
  padding: var(--bc-space-4) var(--bc-space-3) var(--bc-space-2);
}

/* =========================================================================
   Video
   ========================================================================= */
.bc-video { padding: var(--bc-space-8) 0; background: var(--bc-primary-dark); color: var(--bc-white); }
.bc-video__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--bc-space-7);
  align-items: center;
}
.bc-video__copy h2 { color: var(--bc-white); }
.bc-video__copy p { color: #D6D3CC; }
.bc-video__player { position: relative; }
.bc-video__frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: var(--bc-radius-md);
  box-shadow: var(--bc-shadow-lg);
}

/* =========================================================================
   Map
   ========================================================================= */
.bc-map { padding: var(--bc-space-8) 0; }
.bc-map__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--bc-space-6);
  align-items: stretch;
}
.bc-map__info {
  background: var(--bc-white);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: var(--bc-space-6);
}
.bc-map__addr { font-style: normal; color: var(--bc-ink-soft); margin-bottom: var(--bc-space-4); }
.bc-map__addr strong { display: block; color: var(--bc-ink); font-family: var(--bc-font-head); text-transform: uppercase; margin-bottom: var(--bc-space-1); }
.bc-map__frame {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
  border-radius: var(--bc-radius-md);
}

/* =========================================================================
   Testimonial
   ========================================================================= */
.bc-testimonial { padding: var(--bc-space-8) 0; background: var(--bc-paper-alt); }
.bc-testimonial__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bc-space-5);
}
.bc-testimonial__card {
  background: var(--bc-white);
  border-radius: var(--bc-radius-md);
  padding: var(--bc-space-5);
  border-top: 3px solid var(--bc-accent);
  box-shadow: var(--bc-shadow-sm);
}
.bc-testimonial__quote { font-style: italic; color: var(--bc-ink); margin-bottom: var(--bc-space-4); }
.bc-testimonial__stars { color: var(--bc-accent-dark); letter-spacing: 0.15em; margin-bottom: var(--bc-space-3); }
.bc-testimonial__author { display: flex; align-items: center; gap: var(--bc-space-3); }
.bc-testimonial__avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bc-primary-dark); color: var(--bc-accent-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--bc-font-head); font-size: 0.9rem;
}
.bc-testimonial__name { font-weight: 700; font-size: var(--bc-fs-small); }
.bc-testimonial__role { font-size: 0.8rem; color: var(--bc-ink-soft); }

/* =========================================================================
   Form band (lead form)
   ========================================================================= */
.bc-formband { padding: var(--bc-space-8) 0; background: var(--bc-primary-dark); color: var(--bc-white); }
.bc-formband__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--bc-space-7);
  align-items: center;
}
.bc-formband__title { color: var(--bc-white); font-size: var(--bc-fs-h2); }
.bc-formband__lede { color: #D6D3CC; font-size: var(--bc-fs-lead); max-width: 46ch; }
.bc-formband__form {
  background: var(--bc-white);
  border-radius: var(--bc-radius-lg);
  padding: var(--bc-space-6);
  box-shadow: var(--bc-shadow-lg);
  display: grid;
  gap: var(--bc-space-4);
}
.bc-formband--intro { background: linear-gradient(135deg, var(--bc-primary-dark), var(--bc-primary)); }
.bc-formband--final {
  background: var(--bc-ink);
}
.bc-formband--final .bc-formband__form { border-top: 4px solid var(--bc-accent); }

.bc-form-field { display: grid; gap: var(--bc-space-2); text-align: left; }
.bc-form-field label {
  font-size: var(--bc-fs-small);
  font-weight: 700;
  color: var(--bc-ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.bc-form-field input,
.bc-form-field textarea,
.bc-form-field select {
  font-family: var(--bc-font-body);
  font-size: var(--bc-fs-body);
  padding: 0.7em 0.85em;
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-sm);
  background: var(--bc-paper);
  color: var(--bc-ink);
}
.bc-form-field input:focus,
.bc-form-field textarea:focus,
.bc-form-field select:focus {
  outline: 2px solid var(--bc-accent-dark);
  outline-offset: 1px;
  border-color: var(--bc-accent-dark);
}
.bc-form-field--required label::after {
  content: " *";
  color: var(--bc-accent-dark);
}
.bc-formband__form .bc-btn { width: 100%; margin-top: var(--bc-space-2); }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 900px) {
  .bc-hero__grid,
  .bc-prose--with-image .bc-container,
  .bc-video__grid,
  .bc-map__grid,
  .bc-formband__grid {
    grid-template-columns: 1fr;
  }
  .bc-grid--4col .bc-grid__cells,
  .bc-grid--3col .bc-grid__cells,
  .bc-testimonial__grid,
  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bc-gallery__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .site-nav__list { display: none; }
  .site-nav__toggle { display: inline-flex; }
  .bc-grid--4col .bc-grid__cells,
  .bc-grid--3col .bc-grid__cells,
  .bc-grid--2col .bc-grid__cells,
  .bc-testimonial__grid,
  .bc-gallery__grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
  .bc-hero { padding: var(--bc-space-7) 0; }
  .bc-hero__stats { gap: var(--bc-space-5); }
  .bc-container { padding: 0 var(--bc-space-4); }
  .site-footer__bottom { flex-direction: column; }
}