/* --- Concrete Industrial Design System --- */
:root {
  --concrete-dark: #2d2d2d;    /* Deep charcoal (Rebar) */
  --concrete-mid: #4a4a4a;     /* Standard concrete grey */
  --concrete-light: #d6d6d6;   /* Light cement grey */
  --safety-orange: #ff6600;    /* High-visibility accent */
  --white: #ffffff;
  --black: #1a1a1a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #eeeeee; /* Light gravel background */
  color: var(--concrete-dark);
  line-height: 1.5;
}

/* --- Navigation --- */
.nav-container {
  background: var(--black);
  padding: 1rem 0;
  border-bottom: 4px solid var(--safety-orange);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -1px;
  color: var(--white);
  text-transform: uppercase;
}

.logo span {
  color: var(--safety-orange);
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--concrete-light);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--safety-orange);
}

/* --- Search Hero --- */
.search-container {
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), #333; /* Dark industrial feel */
  padding: 5rem 2rem;
  text-align: center;
  color: var(--white);
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.search-container h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 1rem;
}

.search-container p {
  color: var(--concrete-light);
  font-weight: 500;
  margin-bottom: 2rem;
}

.search-bar {
  display: flex;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 10px 10px 0px rgba(0,0,0,0.3);
}

.search-bar input {
  flex: 1;
  padding: 1.2rem;
  border: none;
  font-size: 1rem;
  font-family: inherit;
}

.search-bar button {
  background: var(--safety-orange);
  color: var(--white);
  border: none;
  padding: 0 2rem;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.search-bar button:hover {
  background: #e65c00;
}

/* --- Results Grid --- */
.results-grid {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.company-card {
  background: var(--white);
  border: 1px solid var(--concrete-light);
  padding: 2rem;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.company-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.company-card.premium-highlight {
  border: 2px solid var(--safety-orange);
  background: #fffdfa;
}

.badge {
  display: inline-block;
  background: var(--safety-orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 900;
  padding: 4px 10px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.company-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--black);
}

.company-card .location {
  font-weight: 700;
  color: var(--concrete-mid);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.company-card p {
  font-size: 0.95rem;
  color: var(--concrete-mid);
  margin-bottom: 1.5rem;
}

.btn-card {
  display: block;
  text-align: center;
  background: var(--concrete-dark);
  color: var(--white);
  padding: 0.8rem;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.btn-card:hover {
  background: var(--black);
}

/* --- Updated Industrial Header Styles --- */

.nav-container {
    background: var(--black);
    padding: 0.75rem 0;
    border-bottom: 5px solid var(--concrete-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

/* Specific styling for the List Your Company button */
.nav-cta {
    background: var(--safety-orange);
    color: var(--white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 2px;
    font-weight: 800 !important;
    box-shadow: 3px 3px 0px #993d00; /* Darker orange shadow */
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--white) !important;
    color: var(--safety-orange) !important;
    box-shadow: 0px 0px 0px transparent;
    transform: translateY(2px);
}

/* Menu Item Spacing */
.nav-menu li {
    display: flex;
    align-items: center;
}

/* Mobile Responsiveness for the Menu */
@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Hide standard menu on mobile */
    }
    
    .nav-content {
        justify-content: center;
    }
    
    .logo {
        font-size: 1.2rem;
    }
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    background: #e1f5fe;
    color: #0288d1;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    border: 1px solid #b3e5fc;
    margin-bottom: 0.5rem;
}

.cert-badge::before {
    content: '✓';
    margin-right: 5px;
}

/* --- Standardized Form Alignment --- */
.content-section {
    max-width: 1100px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left; /* Ensures labels align left even if parent is centered */
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--concrete-light);
    background: var(--white);
    font-family: inherit;
    color: var(--concrete-dark);
    border-radius: 0; /* Keeps the industrial square-edge look */
}

.form-group input:focus {
    border-color: var(--safety-orange);
    outline: none;
}

/* --- Footer --- */
footer {
  background: var(--black);
  color: var(--concrete-light);
  text-align: center;
  padding: 3rem 2rem;
  margin-top: 5rem;
  border-top: 10px solid var(--concrete-dark);
}

@media (max-width: 768px) {
  .search-bar { flex-direction: column; box-shadow: none; }
  .search-bar button { padding: 1rem; }
  .nav-menu { display: none; }
}