:root {
  /* HVS brand palette */
  --black: #0c0c0c;
  --orange: #dd3900;
  --orange-600: #c33200;
  --grey: #8c8c8c;
  --ink: #161616;
  --muted: #5f6368;
  --line: #e6e6e6;
  --bg: #ffffff;
  --bg-alt: #f4f4f4;
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: 'Saira', system-ui, sans-serif; letter-spacing: -0.01em; }

/* EYEBROW LABELS */
.eyebrow {
  font-family: 'Saira', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange);
  margin: 0 0 14px;
}
.eyebrow-dark { color: var(--orange); }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12,12,12,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #1d1d1d;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: #cfcfcf; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 4px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--orange-600); }

/* HERO */
.hero {
  background: var(--black);
  color: #fff;
  padding: 120px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* faint zigzag waveform echo */
  content: "";
  position: absolute;
  right: -60px; top: 50%;
  transform: translateY(-50%);
  width: 520px; height: 520px;
  background: url('assets/mark-orange.png') no-repeat center / contain;
  opacity: 0.06;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--orange);
}
.hero .eyebrow { position: relative; }
.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.7rem);
  font-weight: 800;
  line-height: 1.05;
  margin: 0 0 22px;
  position: relative;
}
.hero h1 .accent { color: var(--orange); }
.hero-lead {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: #bdbdbd;
  max-width: 600px;
  margin: 0 0 36px;
  position: relative;
}

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: 'Saira', sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 30px;
  border-radius: 4px;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: #fff !important; }
.btn-primary:hover { background: var(--orange-600); }

/* SECTIONS */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--black); color: #fff; }
.section h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  font-weight: 700;
  margin: 0 0 26px;
  color: var(--black);
}
.section h2.on-dark { color: #fff; }
.section p { font-size: 1.06rem; color: #33373b; margin: 0 0 18px; }
.section-dark p { color: #c6c6c6; }

/* SERVICES GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px 24px 26px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--orange);
  box-shadow: 0 12px 30px rgba(12,12,12,0.10);
  transform: translateY(-2px);
}
.card-num {
  font-family: 'Saira', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--orange);
  letter-spacing: 0.08em;
}
.card h3 {
  margin: 8px 0 10px;
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--black);
}
.card p { font-size: 0.98rem; margin: 0; color: var(--muted); }

/* WHY LIST */
.why-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.why-list li {
  position: relative;
  padding-left: 28px;
  font-size: 1.08rem;
  color: #e3e3e3;
}
.why-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 12px; height: 3px;
  background: var(--orange);
}

/* CONTACT */
.contact-name { line-height: 1.5; color: #33373b; }
.contact-line { margin-bottom: 28px; }

/* FOOTER */
.site-footer { background: var(--black); padding: 34px 0; border-top: 1px solid #1d1d1d; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-logo { height: 26px; width: auto; }
.footer-meta { margin: 0; color: #8c8c8c; font-size: 0.88rem; }

/* RESPONSIVE */
@media (max-width: 640px) {
  .nav-links { gap: 14px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 88px 0 76px; }
  .hero::before { width: 320px; height: 320px; right: -90px; }
  .section { padding: 60px 0; }
  .footer-inner { justify-content: center; text-align: center; }
}