/* =========================================================
   BEST HEAT ENGINEERINGS — Premium Industrial Stylesheet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Core palette */
  --c-ink:        #0a0e14;       /* deepest black for hero/footer */
  --c-charcoal:   #141a23;       /* dark surfaces */
  --c-steel:      #1f2935;       /* card on dark */
  --c-graphite:   #2a3441;
  --c-line-dark:  rgba(255,255,255,0.08);

  --c-cream:      #f5f1ea;       /* warm off-white background */
  --c-bone:       #ebe6dc;       /* alt warm */
  --c-paper:      #ffffff;
  --c-text:       #14181f;
  --c-text-muted: #5b6470;
  --c-line:       #e3ddd1;

  /* Accent — burnished amber/copper */
  --c-amber:      #c8861a;
  --c-amber-soft: #e0a955;
  --c-amber-dark: #8f5e0d;

  /* Typography */
  --font-display: "Manrope", "Inter Tight", system-ui, -apple-system, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --max-w: 1240px;
  --radius: 4px;
  --radius-lg: 14px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--c-text); text-decoration: none; transition: color 0.25s var(--ease-out); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 0.5em;
  color: var(--c-ink);
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: 1.35rem; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.6rem;
}

/* ============== Eyebrow / labels ============== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-amber-dark);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-amber);
}
.eyebrow.on-dark { color: var(--c-amber-soft); }
.eyebrow.on-dark::before { background: var(--c-amber-soft); }

/* ============== Top bar ============== */
.topbar {
  background: var(--c-ink);
  color: rgba(255,255,255,0.65);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 0.55rem; padding-bottom: 0.55rem;
  flex-wrap: wrap; gap: 0.6rem;
}
.topbar a { color: rgba(255,255,255,0.65); }
.topbar a:hover { color: var(--c-amber-soft); }
.topbar .tb-right span { margin-left: 1.2rem; }
.topbar .dot { color: var(--c-amber); margin: 0 0.5rem; }

/* ============== Header ============== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 241, 234, 0.94);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.site-header.scrolled {
  background: rgba(245, 241, 234, 0.98);
  border-bottom-color: var(--c-line);
  box-shadow: 0 6px 30px rgba(20,24,31,0.06);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem;
}

.brand {
  display: flex; align-items: center; gap: 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--c-ink);
}
.brand .logo-mark {
  width: 48px; height: 48px;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background-image: url("assets/logos/bhe-mark.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.brand .logo-mark span { display: none; }
.brand .brand-text { color: var(--c-ink); }
.brand .brand-text strong { color: #d6191e; font-weight: 900; }
.brand .brand-text {
  display: flex; flex-direction: column;
  line-height: 1.1;
  font-size: 1.05rem;
}
.brand .brand-text small {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-top: 0.25rem;
}

.nav { display: flex; align-items: center; gap: 1.8rem; }
.nav a {
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--c-ink);
  position: relative;
  padding: 0.3rem 0;
}
.nav a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--c-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.nav a.active::after,
.nav a:hover::after { transform: scaleX(1); }
.nav a:hover { color: var(--c-amber-dark); }

.nav .nav-cta {
  background: var(--c-ink);
  color: var(--c-cream);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 0.45rem;
}
.nav .nav-cta::after { display: none; }
.nav .nav-cta:hover {
  background: var(--c-amber);
  color: var(--c-ink);
}

.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--c-ink);
  transition: all 0.25s var(--ease-out);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }

/* ============== Buttons ============== */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.93rem;
  letter-spacing: 0.02em;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.btn .arr {
  width: 16px; height: 16px;
  transition: transform 0.3s var(--ease-out);
}
.btn:hover .arr { transform: translateX(4px); }

.btn-primary {
  background: var(--c-amber);
  color: var(--c-ink);
}
.btn-primary:hover {
  background: var(--c-ink);
  color: var(--c-cream);
}
.btn-dark {
  background: var(--c-ink);
  color: var(--c-cream);
}
.btn-dark:hover {
  background: var(--c-amber);
  color: var(--c-ink);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.45);
  color: #fff;
}
.btn-ghost:hover {
  background: #fff;
  color: var(--c-ink);
  border-color: #fff;
}
.btn-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0;
  font-weight: 700;
  color: var(--c-ink);
  border-bottom: 1.5px solid var(--c-amber);
  padding-bottom: 0.15rem;
}
.btn-link:hover { color: var(--c-amber-dark); }

/* ============== Hero ============== */
.hero {
  position: relative;
  background: var(--c-ink);
  color: #fff;
  overflow: hidden;
  padding: 6.5rem 0 7rem;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(180deg, rgba(10,14,20,0.55) 0%, rgba(10,14,20,0.88) 100%),
    url("assets/web/hero-insulation.jpg")
      center/cover no-repeat;
  filter: saturate(0.9);
}
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(200,134,26,0.18), transparent 55%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 110px);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  color: #fff;
  max-width: 14ch;
  font-size: clamp(2.6rem, 6.5vw, 5.6rem);
  letter-spacing: -0.035em;
}
.hero h1 .accent { color: var(--c-amber-soft); }
.hero p.lead {
  max-width: 56ch;
  font-size: 1.18rem;
  color: rgba(255,255,255,0.78);
  margin-top: 1.5rem;
  margin-bottom: 2.4rem;
  font-weight: 400;
}
.hero .btns { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.hero-meta {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.1);
  background: rgba(10,14,20,0.5);
  backdrop-filter: blur(8px);
}
.hero-meta .container {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.hero-meta .item {
  padding: 1.4rem 1rem;
  color: rgba(255,255,255,0.85);
  border-left: 1px solid rgba(255,255,255,0.08);
}
.hero-meta .item:first-child { border-left: 0; }
.hero-meta .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  color: #fff;
  display: block;
  line-height: 1;
}
.hero-meta .lbl {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 0.5rem;
  display: block;
}
@media (max-width: 760px) {
  .hero { padding-bottom: 11rem; }
  .hero-meta .container { grid-template-columns: repeat(2, 1fr); }
  .hero-meta .item { border-top: 1px solid rgba(255,255,255,0.08); padding: 1rem; }
  .hero-meta .item:nth-child(1), .hero-meta .item:nth-child(2) { border-top: 0; }
  .hero-meta .item:nth-child(odd) { border-left: 0; }
  .hero-meta .item:nth-child(even) { border-left: 1px solid rgba(255,255,255,0.08); }
  .hero-meta .num { font-size: 1.6rem; }
}

/* Page hero (interior pages) */
.page-hero {
  position: relative;
  background: var(--c-ink);
  color: #fff;
  padding: 5rem 0 4rem;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(180deg, rgba(10,14,20,0.55) 0%, rgba(10,14,20,0.92) 100%),
    var(--ph-img, url("assets/web/page-hero-services.jpg"))
      center/cover no-repeat;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 75% 40%, rgba(200,134,26,0.18), transparent 55%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 4rem);
  margin: 0;
}
.page-hero .crumbs {
  margin-top: 0.8rem;
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.page-hero .crumbs a { color: rgba(255,255,255,0.55); }
.page-hero .crumbs a:hover { color: var(--c-amber-soft); }
.page-hero .crumbs .sep { margin: 0 0.6rem; color: var(--c-amber); }

/* ============== Sections ============== */
section { padding: 6rem 0; }
section.tight { padding: 4rem 0; }
section.dark { background: var(--c-ink); color: rgba(255,255,255,0.85); }
section.dark h1, section.dark h2, section.dark h3 { color: #fff; }
section.dark p { color: rgba(255,255,255,0.7); }
section.cream { background: var(--c-cream); }
section.bone { background: var(--c-bone); }
section.paper { background: var(--c-paper); }

.section-head {
  margin-bottom: 3.2rem;
  max-width: 64ch;
}
.section-head .lead {
  font-size: 1.12rem;
  color: var(--c-text-muted);
  margin-top: 0.8rem;
  font-weight: 400;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* ============== Grid utilities ============== */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-asym { grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 920px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-asym { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ============== Service cards (image-backed) ============== */
.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 440px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2rem;
  color: #fff;
  isolation: isolate;
  cursor: pointer;
  transition: transform 0.5s var(--ease-out);
}
.service-card::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s var(--ease-out);
}
.service-card::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(10,14,20,0.15) 0%, rgba(10,14,20,0.92) 90%);
  transition: background 0.4s var(--ease-out);
}
.service-card:hover { transform: translateY(-4px); }
.service-card:hover::before { transform: scale(1.07); }
.service-card:hover::after { background: linear-gradient(180deg, rgba(200,134,26,0.05) 0%, rgba(10,14,20,0.95) 90%); }
.service-card > * { position: relative; z-index: 1; }
.service-card .num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-amber-soft);
  letter-spacing: 0.18em;
  margin-bottom: auto;
  align-self: flex-start;
}
.service-card h3 {
  color: #fff;
  font-size: 1.6rem;
  margin: 0.3rem 0 0.7rem;
}
.service-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  margin: 0 0 1.2rem;
}
.service-card .more {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--c-amber-soft);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}
.service-card .more svg { transition: transform 0.3s var(--ease-out); }
.service-card:hover .more svg { transform: translateX(4px); }

.sc-paint::before    { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-coating.jpg"); }
.sc-insul::before    { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-insulation.jpg"); }
.sc-water::before    { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-flooring.jpg"); }
.sc-weld::before     { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-fabrication.jpg"); }
.sc-nde::before      { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-nde.jpg"); }
.sc-insp::before     { background-image: linear-gradient(rgba(0,0,0,0.1),rgba(0,0,0,0.1)), url("assets/web/services-tank-top.jpg"); }

/* ============== Feature cards (light) ============== */
.feature-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.35s var(--ease-out);
  position: relative;
}
.feature-card:hover {
  border-color: var(--c-ink);
  transform: translateY(-3px);
  box-shadow: 0 18px 50px -20px rgba(20,24,31,0.18);
}
.feature-card .ico {
  width: 48px; height: 48px;
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--c-amber-dark);
}
.feature-card .ico svg { width: 22px; height: 22px; }
.feature-card h3 { font-size: 1.18rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--c-text-muted); margin: 0; font-size: 0.96rem; }

/* ============== Image + text split ============== */
.split-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background-size: cover;
  background-position: center;
}
.split-image .badge {
  position: absolute; bottom: 1.5rem; left: 1.5rem; right: 1.5rem;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius);
}
.split-image .badge .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  color: var(--c-amber-soft);
  display: block;
  line-height: 1;
}
.split-image .badge .lbl {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  margin-top: 0.4rem;
  display: block;
}

/* ============== Bullet checks ============== */
ul.checks {
  list-style: none; padding: 0; margin: 0.5rem 0 0;
}
ul.checks li {
  position: relative;
  padding: 0.55rem 0 0.55rem 2rem;
  border-bottom: 1px solid var(--c-line);
}
ul.checks li:last-child { border-bottom: 0; }
ul.checks li::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  width: 18px; height: 18px;
  margin-top: -9px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8861a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: contain;
  background-repeat: no-repeat;
}

/* ============== Client list ============== */
.client-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--c-line);
  counter-reset: cli;
}
.client-list li {
  counter-increment: cli;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--c-line);
  display: flex; gap: 1rem; align-items: baseline;
  font-size: 0.98rem;
  transition: background 0.25s var(--ease-out);
}
.client-list li:nth-child(odd) { border-right: 1px solid var(--c-line); }
.client-list li::before {
  content: counter(cli, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-amber);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  min-width: 2.4ch;
}
.client-list li:hover { background: var(--c-bone); }
@media (max-width: 700px) {
  .client-list { grid-template-columns: 1fr; }
  .client-list li:nth-child(odd) { border-right: 0; }
}

/* ============== Brand strip / Marquee ============== */
.marquee {
  background: var(--c-cream);
  padding: 2.5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.marquee.dark-bg { background: var(--c-ink); border-color: var(--c-line-dark); }
.marquee-track {
  display: flex;
  gap: 4rem;
  align-items: center;
  animation: marquee 42s linear infinite;
  width: max-content;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: -0.01em;
  white-space: nowrap;
  display: flex; align-items: center; gap: 4rem;
}
.marquee-item::after {
  content: "";
  width: 6px; height: 6px;
  background: var(--c-amber);
  border-radius: 50%;
}
.marquee-item:last-child::after { display: none; }

/* Logo marquee (image-based) */
.marquee-logo {
  flex-shrink: 0;
  height: 64px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: grayscale(0%);
  opacity: 0.95;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.marquee-logo:hover { opacity: 1; transform: scale(1.05); }
.marquee.dark-bg .marquee-logo {
  background: #fff;
  padding: 6px 12px;
  border-radius: 4px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============== Brand category groups (Suppliers page) ============== */
.brand-group {
  margin-bottom: 3rem;
}
.brand-group h3 {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-amber-dark);
  margin-bottom: 1.6rem;
}
.brand-group h3::after {
  content: "";
  flex: 1; height: 1px;
  background: var(--c-line);
}
.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.brand-logo-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.4rem;
  display: flex; align-items: center; justify-content: center;
  min-height: 140px;
  transition: all 0.3s var(--ease-out);
}
.brand-logo-card:hover {
  border-color: var(--c-ink);
  transform: translateY(-3px);
  box-shadow: 0 18px 50px -20px rgba(20,24,31,0.15);
}
.brand-logo-card img {
  max-width: 100%;
  max-height: 80px;
  width: auto; height: auto;
  object-fit: contain;
}
@media (max-width: 800px) {
  .brand-logo-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Brand grid (suppliers) */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-paper);
}
.brand-grid .b {
  padding: 2.4rem 1.4rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--c-ink);
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  transition: background 0.25s var(--ease-out);
}
.brand-grid .b small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--c-text-muted);
  margin-top: 0.3rem;
  letter-spacing: 0.04em;
}
.brand-grid .b:hover { background: var(--c-cream); }
.brand-grid .b:nth-child(4n) { border-right: 0; }
.brand-grid .b:nth-last-child(-n+4) { border-bottom: 0; }
@media (max-width: 800px) {
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid .b { border-right: 1px solid var(--c-line) !important; border-bottom: 1px solid var(--c-line) !important; }
  .brand-grid .b:nth-child(2n) { border-right: 0 !important; }
}

/* ============== Stats counters ============== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stats .stat {
  padding: 2.4rem 1.6rem;
  border-right: 1px solid var(--c-line-dark);
}
.stats .stat:last-child { border-right: 0; }
.stats .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  letter-spacing: -0.03em;
  color: var(--c-amber-soft);
  line-height: 1;
}
.stats .lbl {
  margin-top: 0.7rem;
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
@media (max-width: 800px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats .stat:nth-child(2n) { border-right: 0; }
  .stats .stat:nth-child(-n+2) { border-bottom: 1px solid var(--c-line-dark); }
}

/* ============== Contact ============== */
.contact-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.info-block { display: flex; gap: 1.1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--c-line); }
.info-block:last-child { border-bottom: 0; }
.info-block .ico {
  width: 42px; height: 42px;
  background: var(--c-ink); color: var(--c-cream);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.info-block .ico svg { width: 18px; height: 18px; }
.info-block h4 {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin: 0 0 0.3rem;
  font-weight: 600;
}
.info-block p { margin: 0; font-weight: 500; color: var(--c-ink); font-size: 0.98rem; }
.info-block a { color: var(--c-ink); }
.info-block a:hover { color: var(--c-amber-dark); }

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.98rem;
  margin-bottom: 0.9rem;
  background: var(--c-paper);
  transition: border-color 0.2s, box-shadow 0.2s;
}
form.contact-form input:focus,
form.contact-form textarea:focus {
  outline: none;
  border-color: var(--c-ink);
  box-shadow: 0 0 0 4px rgba(200,134,26,0.12);
}
form.contact-form textarea { min-height: 140px; resize: vertical; }
form.contact-form .form-status { margin-top: 0.8rem; font-weight: 600; min-height: 1.2em; }

/* ============== CTA / Banner ============== */
.cta-banner {
  position: relative;
  background: var(--c-ink);
  color: #fff;
  padding: 5.5rem 0;
  overflow: hidden;
  isolation: isolate;
}
.cta-banner::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    linear-gradient(135deg, rgba(10,14,20,0.85), rgba(10,14,20,0.95)),
    url("assets/web/project-tower-1.jpg")
      center/cover no-repeat;
}
.cta-banner::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(200,134,26,0.22), transparent 50%);
}
.cta-banner .container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.5fr 1fr;
  gap: 3rem; align-items: center;
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  max-width: 22ch;
}
.cta-banner p { color: rgba(255,255,255,0.7); margin: 0; max-width: 50ch; }
.cta-banner .right { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
@media (max-width: 760px) {
  .cta-banner .container { grid-template-columns: 1fr; }
  .cta-banner { padding: 4rem 0; }
}

/* ============== Footer ============== */
.site-footer {
  background: var(--c-ink);
  color: rgba(255,255,255,0.65);
  padding: 5rem 0 1.5rem;
  font-size: 0.93rem;
}
.site-footer h4 {
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
}
.site-footer a { color: rgba(255,255,255,0.65); }
.site-footer a:hover { color: var(--c-amber-soft); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-line-dark);
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { padding: 0.3rem 0; }
.footer-brand .logo-mark {
  width: 64px; height: 64px;
  background: #fff;
  border-radius: 50%;
  margin-bottom: 1rem;
  background-image: url("assets/logos/bhe-mark.svg");
  background-size: 56px;
  background-repeat: no-repeat;
  background-position: center;
  font-size: 0;
}
.footer-brand h3 { color: #fff; margin: 0 0 0.6rem; font-size: 1.4rem; }
.footer-brand p { margin: 0 0 0.7rem; max-width: 38ch; line-height: 1.6; }
.footer-bottom {
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============== Mobile nav ============== */
@media (max-width: 880px) {
  .topbar .tb-right span { margin-left: 0; }
  .topbar .container > div { font-size: 0.78rem; }
  .nav-toggle { display: block; }
  .brand .brand-text small { display: none; }
  .nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--c-cream);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0.6rem 1.6rem 1.4rem;
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 12px 40px rgba(20,24,31,0.1);
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--c-line);
  }
  .nav a:last-child { border-bottom: 0; }
  .nav a::after { display: none; }
  .nav .nav-cta { margin-top: 0.7rem; justify-content: center; padding: 0.95rem; }
}

/* ============== Reveal animation ============== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* ============== Misc ============== */
.divider {
  height: 1px;
  background: var(--c-line);
  border: 0;
  margin: 0;
}
.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--c-line);
  border-radius: 100px;
  color: var(--c-text-muted);
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
}
.tag.dark {
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.03);
}

/* Scroll-padding so anchors don't hide under sticky nav */
html { scroll-padding-top: 110px; }

/* ============== Gallery ============== */
.gallery-filters {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.gallery-filters button {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  color: var(--c-text);
  padding: 0.6rem 1.1rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}
.gallery-filters button:hover {
  border-color: var(--c-ink);
}
.gallery-filters button.active {
  background: var(--c-ink);
  color: var(--c-cream);
  border-color: var(--c-ink);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 220px;
  gap: 0.75rem;
}
.gallery-grid .item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-bone);
  transition: opacity 0.4s var(--ease-out), transform 0.3s var(--ease-out);
}
.gallery-grid .item.tall { grid-row: span 2; }
.gallery-grid .item.wide { grid-column: span 2; }
.gallery-grid .item img,
.gallery-grid .item video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out), filter 0.4s var(--ease-out);
}
.gallery-grid .item:hover img,
.gallery-grid .item:hover video { transform: scale(1.04); }
.gallery-grid .item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,14,20,0.55) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
  pointer-events: none;
}
.gallery-grid .item:hover::after { opacity: 1; }
.gallery-grid .item .label {
  position: absolute; left: 1rem; right: 1rem; bottom: 0.9rem;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  z-index: 2;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.gallery-grid .item:hover .label { opacity: 1; transform: translateY(0); }

.gallery-grid .item.video::before {
  content: "";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  z-index: 3;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23141a23'><polygon points='8 5 19 12 8 19 8 5'/></svg>");
  background-size: 26px;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
  transition: transform 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
}
.gallery-grid .item.video:hover::before {
  transform: translate(-50%, -50%) scale(1.08);
  background-color: var(--c-amber);
}

.gallery-grid .item.hidden { display: none; }

@media (max-width: 600px) {
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); grid-auto-rows: 160px; }
}

/* Lightbox modal */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(10,14,20,0.96);
  display: none;
  z-index: 1000;
  padding: 4vh 4vw;
}
.lightbox.open { display: flex; align-items: center; justify-content: center; }
.lightbox-content {
  max-width: 92vw; max-height: 92vh;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-content img,
.lightbox-content video {
  max-width: 100%; max-height: 92vh;
  width: auto; height: auto;
  border-radius: 6px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  display: block;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  transition: all 0.2s var(--ease-out);
}
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev  { top: 50%; left: 24px; transform: translateY(-50%); }
.lightbox-next  { top: 50%; right: 24px; transform: translateY(-50%); }
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--c-amber);
  color: var(--c-ink);
  border-color: var(--c-amber);
}

/* ============== Inline video block (for service pages) ============== */
.video-block {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 9/16;
  max-height: 600px;
  background: var(--c-ink);
}
.video-block video {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}