/* HD Concrete & Construction — plain CSS, no build tools
   Palette: dark charcoal + white + safety orange accent */

:root {
  --charcoal: #232629;
  --charcoal-dark: #17191c;
  --gray: #5b6066;
  --light: #f4f4f2;
  --line: #ddd9d2;
  --accent: #cf142b;
  --accent-dark: #a50e22;
  --white: #ffffff;
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.55;
  padding-bottom: 56px; /* room for sticky call button on mobile */
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}
.container.narrow { max-width: 640px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.9rem; text-transform: uppercase; letter-spacing: 0.02em; }
h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background: var(--accent);
  margin-top: 10px;
}
.section-intro { color: var(--gray); max-width: 640px; }

/* ---------- Header ---------- */
.site-header {
  background: var(--charcoal-dark);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}
.brand em { font-style: normal; color: #c9cdd2; font-weight: 400; }
.brand-mark {
  background: var(--accent);
  color: var(--white);
  font-weight: 800;
  padding: 6px 9px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; margin-left: auto; }
.main-nav a {
  color: #e8eaec;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 4px;
}
.brand-logo {
  height: 54px;
  width: auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 4px 8px;
  display: block;
}
.footer-logo {
  height: 72px;
  width: auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 6px 10px;
  margin-bottom: 10px;
}
.main-nav a:hover { color: var(--accent); }
.header-call {
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  padding: 11px 16px;
  border-radius: var(--radius);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.header-call:hover { background: var(--accent-dark); }

/* ---------- Hero ---------- */
.hero {
  background: var(--charcoal-dark) center / cover no-repeat;
  background-image: var(--hero-img);
  color: var(--white);
}
.hero-overlay {
  background: linear-gradient(rgba(15, 16, 18, 0.78), rgba(15, 16, 18, 0.62));
  padding: 72px 0 84px;
}
.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  color: #ffb287;
  margin: 0 0 14px;
  font-weight: 600;
}
.hero h1 { font-size: 2.5rem; max-width: 620px; }
.hero-sub { font-size: 1.15rem; max-width: 560px; color: #eceef0; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); }
.btn-outline { border-color: var(--white); color: var(--white); background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-dark { background: var(--charcoal); color: var(--white); }
.btn-dark:hover { background: var(--charcoal-dark); }

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section-alt { background: var(--light); }

/* Services cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 5px solid var(--accent);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 { font-size: 1.15rem; }
.card p { margin: 0; color: var(--gray); }

/* Process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 12px;
}
.step p { margin: 0; color: var(--gray); }

/* ---------- Gallery ---------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 20px;
}
.filter-btn {
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 2px solid var(--charcoal);
  background: var(--white);
  color: var(--charcoal);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent-dark); }
.filter-btn.is-active {
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.gallery-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light);
  border: 1px solid var(--line);
}
.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.gallery-item figcaption {
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--gray);
  text-transform: capitalize;
}
.gallery-item.is-hidden { display: none; }
.gallery-empty { color: var(--gray); font-size: 1.05rem; }

/* ---------- Quote form ---------- */
.quote-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 24px;
}
.quote-form label {
  font-weight: 600;
  margin-top: 12px;
}
.quote-form input,
.quote-form select,
.quote-form textarea {
  font: inherit;
  padding: 13px 14px;
  min-height: 48px;
  border: 1px solid #b9b4aa;
  border-radius: var(--radius);
  background: var(--white);
  width: 100%;
}
.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.btn-submit { margin-top: 22px; font-size: 1.05rem; }
.form-note { color: var(--gray); font-size: 0.92rem; margin: 10px 0 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.contact-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.contact-block .btn { margin: 4px 8px 4px 0; }
.contact-big { font-size: 1.35rem; font-weight: 700; word-break: break-word; }
.contact-big a { color: var(--accent-dark); text-decoration: none; }
.contact-big a:hover { text-decoration: underline; }
.contact-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 26px;
}
.contact-meta h3 { color: var(--gray); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.08em; }
.contact-meta p { margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal-dark);
  color: #c9cdd2;
  padding: 38px 0 30px;
  text-align: center;
}
.site-footer a { color: var(--white); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.footer-name { color: var(--white); font-weight: 700; font-size: 1.1rem; margin: 0 0 6px; }
.site-footer p { margin: 4px 0; }
.footer-copy { font-size: 0.88rem; color: #8f959c; margin-top: 14px; }

/* ---------- Sticky mobile call button ---------- */
.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--accent);
  color: var(--white);
  text-align: center;
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 15px 10px;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.25);
}
.sticky-call:hover { background: var(--accent-dark); }

@media (min-width: 760px) {
  body { padding-bottom: 0; }
  .sticky-call { display: none; }
  .hero h1 { font-size: 3.1rem; }
  .hero-overlay { padding: 100px 0 116px; }
}

@media (max-width: 560px) {
  .main-nav { display: none; }
  .header-call { margin-left: auto; }
  .hero h1 { font-size: 2.1rem; }
  h2 { font-size: 1.6rem; }
}