/* ============ MS BUILDING & MAINTENANCE — INDUSTRIAL THEME ============ */
:root {
  --ink: #16181c;
  --steel: #23272e;
  --steel-2: #2d323b;
  --line: #3a404b;
  --paper: #f2f0ec;
  --grey: #9aa1ac;
  --yellow: #ffc400;
  --yellow-dark: #e0ac00;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
h1, h2, h3, .btn, .filter, .brand-text, .nav a, .stat-num, .tag, .contact-label {
  font-family: 'Oswald', 'Arial Narrow', sans-serif;
  letter-spacing: .04em;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Hazard stripe */
.hazard-strip {
  height: 8px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 16px, var(--ink) 16px 32px);
}

/* ============ TOP BAR ============ */
.topbar { position: sticky; top: 0; z-index: 100; background: var(--ink); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  background: var(--yellow); color: var(--ink);
  font-family: 'Oswald', sans-serif; font-weight: 700; font-size: 26px;
  padding: 4px 10px; line-height: 1;
  display: flex; align-items: center;
}
.brand-text { color: #fff; font-weight: 600; font-size: 13px; line-height: 1.25; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  color: #cfd4dc; text-decoration: none; font-weight: 500; font-size: 15px;
  text-transform: uppercase; letter-spacing: .1em;
}
.nav a:hover { color: var(--yellow); }
.nav-cta {
  background: var(--yellow); color: var(--ink) !important;
  padding: 8px 18px; font-weight: 600;
}
.nav-cta:hover { background: var(--yellow-dark); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: #fff; font-size: 22px; padding: 4px 12px; cursor: pointer; }

/* ============ HERO ============ */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(15,17,20,.94) 0%, rgba(15,17,20,.82) 45%, rgba(15,17,20,.35) 100%);
}
.hero-inner { position: relative; padding-top: 90px; padding-bottom: 90px; }
.hero-kicker {
  color: var(--yellow); font-weight: 600; font-size: 13px; letter-spacing: .28em;
  margin-bottom: 18px; font-family: 'Oswald', sans-serif;
}
.hero h1 { color: #fff; font-size: clamp(44px, 7vw, 84px); font-weight: 700; line-height: 1.02; text-transform: uppercase; }
.hero h1 .accent { color: var(--yellow); }
.hero-sub { color: #c9cfd8; max-width: 540px; margin: 26px 0 34px; font-size: 18px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; font-size: 16px; letter-spacing: .1em; padding: 14px 32px; }
.btn-solid { background: var(--yellow); color: var(--ink); }
.btn-solid:hover { background: var(--yellow-dark); }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { border-color: var(--yellow); color: var(--yellow); }

/* ============ STATS ============ */
.stats { background: var(--steel); border-top: 1px solid var(--line); border-bottom: 8px solid var(--yellow); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 20px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: none; }
.stat-num { display: block; color: var(--yellow); font-size: 40px; font-weight: 700; line-height: 1.1; }
.stat-label { color: #b7bdc7; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; }

/* ============ SECTIONS ============ */
.section { padding: 90px 0; }
.section-kicker {
  color: var(--yellow-dark); font-family: 'Oswald', sans-serif; font-weight: 600;
  font-size: 13px; letter-spacing: .28em; margin-bottom: 8px;
}
.section-dark .section-kicker { color: var(--yellow); }
.section-title {
  font-size: clamp(34px, 4.5vw, 54px); font-weight: 700; text-transform: uppercase;
  margin-bottom: 40px; position: relative; padding-bottom: 18px;
}
.section-title::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 90px; height: 6px;
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 10px, var(--ink) 10px 20px);
}
.section-title.light { color: #fff; }
.section-title.light::after {
  background: repeating-linear-gradient(-45deg, var(--yellow) 0 10px, transparent 10px 20px);
}

/* ============ SERVICES ============ */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  background: #fff; border: 1px solid #ddd9d2; border-top: 4px solid var(--ink);
  padding: 28px 26px 30px; position: relative; transition: border-color .15s, transform .15s;
}
.service-card:hover { border-top-color: var(--yellow); transform: translateY(-3px); }
.service-num {
  font-family: 'Oswald', sans-serif; font-weight: 700; font-size: 15px;
  color: var(--yellow-dark); letter-spacing: .2em; margin-bottom: 10px;
}
.service-card h3 { font-size: 21px; font-weight: 600; text-transform: uppercase; margin-bottom: 10px; }
.service-card p { color: #4c5158; font-size: 15px; }

/* ============ WORK / PORTFOLIO ============ */
.section-dark { background: var(--ink); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter {
  background: none; border: 1px solid var(--line); color: #c3c9d2;
  font-weight: 500; font-size: 14px; letter-spacing: .1em;
  padding: 9px 18px; cursor: pointer; text-transform: uppercase;
}
.filter:hover { border-color: var(--yellow); color: var(--yellow); }
.filter.active { background: var(--yellow); border-color: var(--yellow); color: var(--ink); font-weight: 600; }

.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.work-card { background: var(--steel); border: 1px solid var(--line); overflow: hidden; }
.work-card figure { position: relative; margin: 0; }
.work-card img { width: 100%; height: 320px; object-fit: cover; }
.work-card.wide { grid-column: span 2; }
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--ink); }
.tag {
  position: absolute; top: 12px; left: 12px;
  font-size: 12px; font-weight: 600; letter-spacing: .18em;
  padding: 4px 12px; color: #fff;
}
.tag-before { background: rgba(22,24,28,.88); border: 1px solid #5a6170; }
.tag-after { background: var(--yellow); color: var(--ink); }
.work-info { padding: 20px 22px 24px; border-top: 4px solid var(--yellow); }
.work-info h3 { color: #fff; font-size: 19px; font-weight: 600; letter-spacing: .06em; margin-bottom: 8px; }
.work-info p { color: #aab0ba; font-size: 14.5px; }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: start; }
.about-grid p { margin-bottom: 16px; color: #33373d; font-size: 16.5px; }
.checks { list-style: none; margin-top: 24px; }
.checks li {
  padding: 12px 0 12px 40px; position: relative;
  border-bottom: 1px solid #ddd9d2; font-weight: 500;
}
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 9px;
  background: var(--ink); color: var(--yellow);
  width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
}
.about-photos { display: grid; gap: 22px; }
.about-photos img { border: 1px solid #cfc9c0; width: 100%; height: 260px; object-fit: cover; }

/* ============ CONTACT ============ */
.section-contact { background: var(--steel); padding: 0; }
.contact-inner { padding: 90px 24px; text-align: center; }
.contact-sub { color: #b7bdc7; font-size: 18px; margin: -20px auto 40px; max-width: 520px; }
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; max-width: 1100px; margin: 0 auto; }
.contact-card {
  background: var(--ink); border: 1px solid var(--line); border-bottom: 4px solid var(--yellow);
  padding: 28px 20px; text-decoration: none; display: block;
}
a.contact-card:hover { border-color: var(--yellow); }
.contact-label { display: block; color: var(--yellow); font-size: 13px; font-weight: 600; letter-spacing: .22em; margin-bottom: 8px; }
.contact-value { color: #fff; font-size: 17px; font-weight: 500; word-break: break-word; }
.footer { background: var(--ink); border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; padding-bottom: 22px; color: #8a919c; font-size: 13.5px; }
.footer a { color: #c3c9d2; text-decoration: none; font-family: 'Oswald', sans-serif; letter-spacing: .14em; font-size: 13px; }
.footer a:hover { color: var(--yellow); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .work-grid { grid-template-columns: 1fr; }
  .work-card.wide { grid-column: span 1; }
  .work-card img { height: 240px; }
  .services-grid { grid-template-columns: 1fr; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--ink); flex-direction: column; align-items: flex-start;
    padding: 18px 24px 24px; gap: 18px; border-bottom: 8px solid var(--yellow);
  }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { min-height: 540px; }
  .ba { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
}