/* =====================================================================
   Blackgate Contracting — hub identity
   Black / white / red. Industrial. Not the Cochrane midnight/ember system.
   ===================================================================== */

:root {
  --bg: #0A0A0A;
  --surface: #141414;
  --surface-2: #1C1C1C;
  --line: #2A2A2A;
  --line-strong: #3F3F3F;
  --text: #FFFFFF;
  --muted: #A3A3A3;
  --accent: #E10600;
  --accent-fg: #FFFFFF;

  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --fs-h1: clamp(2.4rem, 6vw, 4.25rem);
  --fs-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --fs-h3: 1.25rem;
  --fs-body: 1.0625rem;
  --fs-sm: 0.875rem;

  --s-8: 8px;
  --s-12: 12px;
  --s-16: 16px;
  --s-24: 24px;
  --s-32: 32px;
  --s-40: 40px;
  --s-64: 64px;
  --s-96: 96px;

  --maxw: 1120px;
  --nav-h: 72px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 72px);
  overflow-x: clip;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin: 0 0 var(--s-16);
  line-height: 1.1;
}
h1 { font-size: var(--fs-h1); font-weight: 900; }
h2 { font-size: var(--fs-h2); font-weight: 800; }
h3 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: 0; }
p { margin: 0 0 var(--s-16); }
.lead { color: var(--muted); font-size: 1.125rem; max-width: 42rem; }
.accent { color: var(--accent); }
.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
:where(button, a, input, textarea, select):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.site-nav .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-24);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__wordmark { height: 28px; width: auto; }
.brand__text {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
}
.brand__subline { display: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-24);
}
.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }
.nav-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-fg);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.btn:hover {
  text-decoration: none;
  background: #ff1a14;
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--text);
  background: transparent;
}
.btn--lg { padding: 16px 26px; font-size: 1.02rem; }
.nav-cta { padding: 10px 16px; font-size: 0.88rem; }

/* ---------- hero (full-bleed) ---------- */
.bgc-hero {
  position: relative;
  min-height: min(92vh, 920px);
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.bgc-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.bgc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: bgc-ken 18s ease-in-out infinite alternate;
}
.bgc-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10,10,10,0.88) 0%, rgba(10,10,10,0.55) 48%, rgba(10,10,10,0.22) 100%),
    linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.55) 70%, rgba(10,10,10,0.9) 100%);
  z-index: 1;
}
.bgc-hero__content h1,
.bgc-hero__content .lead {
  text-shadow: 0 2px 28px rgba(0,0,0,0.85), 0 1px 2px rgba(0,0,0,0.9);
}

.bgc-hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: calc(var(--nav-h) + var(--s-40)) 0 var(--s-64);
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
}
.bgc-hero__eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.bgc-hero h1 {
  max-width: 14ch;
  margin: 0;
  text-shadow: 0 2px 24px rgba(0,0,0,0.45);
}
.bgc-hero .lead {
  color: #d4d4d4;
  max-width: 36rem;
  margin: 0;
}
.bgc-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-12);
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid transparent; /* prevent margin collapse */
}

@keyframes bgc-ken {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .bgc-hero__media img { animation: none; transform: scale(1.04); }
}

/* ---------- sections ---------- */
.bgc-section {
  padding: var(--s-96) 0;
  border-bottom: 1px solid var(--line);
}
.bgc-section--alt { background: var(--surface); }
.section-head { margin-bottom: var(--s-40); max-width: 40rem; }
.section-head .eyebrow {
  margin: 0 0 var(--s-12);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.section-head h2 {
  position: relative;
  padding-bottom: var(--s-16);
}
.section-head h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: var(--s-16);
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 700ms cubic-bezier(.2,.7,.2,1);
}
.reveal.in h2::after,
.section-head.reveal.in h2::after { transform: scaleX(1); }


/* industrial service rows — not Cochrane cards */
.bgc-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.bgc-service {
  background: var(--bg);
  padding: var(--s-40) var(--s-24);
  transition: background 180ms ease;
}
.bgc-service:hover { background: var(--surface-2); }
.bgc-service img {
  width: 112px;
  height: 112px;
  margin-bottom: var(--s-24);
  border: 1px solid var(--line);
  background: #0A0A0A;
}

.bgc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.bgc-step {
  background: var(--bg);
  padding: var(--s-40) var(--s-24);
  margin: 0;
}
.bgc-step__num {
  display: inline-block;
  margin-bottom: var(--s-16);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.bgc-step img {
  width: 96px;
  height: 96px;
  margin-bottom: var(--s-24);
  border: 1px solid var(--line);
  background: #0A0A0A;
}
.bgc-step h3 {
  margin-bottom: var(--s-12);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
}
.bgc-step p {
  color: var(--muted);
  margin: 0;
}

.bgc-brand-note {
  margin-top: var(--s-24);
  color: var(--muted);
  font-size: var(--fs-sm);
}
.bgc-brand-note a {
  color: var(--text);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.bgc-brand-note a:hover { color: var(--accent); }
.bgc-service h3 {
  margin-bottom: var(--s-12);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
}
.bgc-service p { color: var(--muted); margin: 0; }

/* brands */
.bgc-brands {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--s-40);
  align-items: start;
}
.bgc-brand-primary {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: var(--s-40);
  position: relative;
  overflow: hidden;
}
.bgc-brand-primary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
}
.bgc-brand-primary h3 {
  font-size: 1.6rem;
  margin-bottom: var(--s-16);
}
.bgc-brand-primary p { color: var(--muted); }
.bgc-brand-list {
  list-style: none;
  margin: var(--s-16) 0 0;
  padding: 0;
}
.bgc-brand-list li {
  border-top: 1px solid var(--line);
}
.bgc-brand-list a {
  display: block;
  padding: 14px 0;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}
.bgc-brand-list a:hover { color: var(--accent); }

/* about */
.bgc-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-40);
  align-items: center;
}
.bgc-about__media {
  position: relative;
}
.bgc-about__media img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
}
.bgc-about__media::after {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
  z-index: -1;
}
.bgc-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-8);
  margin-top: var(--s-24);
}
.bgc-trust span {
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* FAQ */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 900;
}
.faq-item[open] summary::after { content: "–"; }
.faq-answer { padding: 0 0 18px; color: var(--muted); }
.faq-answer p { margin: 0; }

/* contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--s-40);
  align-items: start;
}
.contact-tagline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  margin-bottom: var(--s-16);
}
.contact-info p { color: var(--muted); }
#contact-form {
  scroll-margin-top: calc(var(--nav-h) + 72px);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: var(--s-40);
}
.field { margin-bottom: var(--s-16); }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.field-error { display: none; color: var(--accent); font-size: var(--fs-sm); margin: 6px 0 0; }
.field.invalid .field-error { display: block; }
.field.invalid input,
.field.invalid textarea { border-color: var(--accent); }
.honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}
.form-status { margin-top: var(--s-16); font-weight: 600; }
.form-status.ok { color: #86efac; }
.form-status.err { color: var(--accent); }

/* footer */
.site-footer {
  background: #000;
  border-top: 1px solid var(--line);
  padding: var(--s-64) 0 var(--s-40);
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--s-40);
}
.site-footer .brand {
  margin-bottom: var(--s-16);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-footer p { margin-bottom: var(--s-8); }

/* reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- mobile ---------- */
@media (max-width: 860px) {
  :root {
    --fs-h1: clamp(1.85rem, 7.2vw, 2.6rem);
    --fs-h2: clamp(1.4rem, 5vw, 1.9rem);
    --fs-h3: 1.125rem;
    --fs-body: 1rem;
    --nav-h: 64px;
  }

  .wrap { width: min(100% - 1.5rem, var(--maxw)); }
  .lead { font-size: 1.02rem; }

  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--nav-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #000;
    border-bottom: 1px solid var(--line);
    padding: var(--s-8) 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 14px 1.25rem;
    border-top: 1px solid var(--line);
  }

  .bgc-hero {
    min-height: 0;
    align-items: end;
  }
  .bgc-hero__content {
    width: min(100% - 1.5rem, var(--maxw));
    padding: calc(var(--nav-h) + var(--s-24)) 0 var(--s-40);
  }
  .bgc-hero__content {
    gap: 14px;
  }
  .bgc-hero h1 {
    max-width: none;
  }
  .bgc-hero .lead {
    max-width: none;
  }
  .bgc-hero__ctas {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-top: 16px;
    padding-top: 12px;
  }
  .bgc-hero__ctas .btn {
    width: 100%;
    text-align: center;
  }
  .bgc-hero__media img {
    animation: none;
    transform: scale(1.04);
  }

  .bgc-services,
  .bgc-steps { grid-template-columns: 1fr; }
  .bgc-brands,
  .bgc-about,
  .contact-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .bgc-about__media::after { display: none; }
  .bgc-section { padding: var(--s-64) 0; }
  .btn--lg { padding: 14px 20px; font-size: 1rem; }
}

@media (max-width: 480px) {
  :root {
    --fs-h1: 1.75rem;
    --fs-h2: 1.35rem;
  }

  .bgc-hero__eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
  }
  .bgc-brand-primary h3 { font-size: 1.35rem; }
  .contact-tagline { font-size: 1.15rem; }
}