:root {
  --primary-navy: #0a2540;
  --secondary-slate: #333333;
  --accent-gold: #c5a059;
  --off-white: #f6f7f8;
  --white: #ffffff;
  --shadow-card: 0 16px 40px rgba(10, 37, 64, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Roboto', sans-serif;
  color: var(--secondary-slate);
  line-height: 1.75;
  background: var(--white);
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
h1,h2,h3,h4,.nav-link,.brand,.filter-btn,.btn-primary { font-family: 'Montserrat', sans-serif; text-transform: uppercase; letter-spacing: 0.06em; }

.safety-ticker {
  background: var(--primary-navy);
  color: var(--white);
  font-size: 0.8rem;
  padding: 0.65rem 0;
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 2px solid var(--accent-gold);
}
.ticker-content {
  display: inline-block;
  padding-left: 100%;
  animation: ticker 18s linear infinite;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-100%); } }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  color: var(--primary-navy);
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
}
.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}
.nav-link {
  text-decoration: none;
  color: var(--primary-navy);
  font-size: 0.8rem;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--accent-gold); }

.hero-banner {
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.25rem;
  background: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72));
  background-size: cover;
  background-position: center;
  text-align: center;
  color: var(--white);
}
.hero-home { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('refinery-hero.png'); }
.hero-industrial { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('refinery.jpg'); }
.hero-commercial { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('Shell_East-RORO-Crane-Pad-Conrete-Pour-1-1-2048x1152.jpg'); }
.hero-gallery { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('refinery-hero2.png'); }
.hero-contact { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('Projects_LoneStar_NGL_FracComplex_02.jpg'); }
.hero-content { max-width: 860px; }
.eyebrow { color: var(--accent-gold); font-size: 0.8rem; font-weight: 700; margin-bottom: 0.7rem; }
.hero-content h1 { font-size: clamp(1.8rem, 4vw, 3.2rem); margin-bottom: 1rem; }
.hero-content p { font-size: 1.05rem; opacity: 0.95; }
.btn-primary {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.9rem 1.25rem;
  text-decoration: none;
  background: var(--accent-gold);
  color: var(--primary-navy);
  font-weight: 700;
  border-radius: 0.25rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }

.section { max-width: 1200px; margin: 0 auto; padding: 4rem 1.25rem; }
.intro-grid, .two-column-section, .split-layout, .contact-layout { display: grid; gap: 2rem; }
.intro-grid { grid-template-columns: 1fr 1.2fr; align-items: start; }
.two-column-section { grid-template-columns: 1fr 1fr; align-items: center; }
.split-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-layout { grid-template-columns: 1.1fr 0.9fr; }
.section-heading h2, .panel-card h2, .shadow-card h2, .rich-text h2 { margin-bottom: 1rem; font-size: 1.6rem; color: var(--primary-navy); }
.rich-text p + p { margin-top: 1rem; }
.stats-section { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem 4rem; }
.stat-card { background: var(--primary-navy); color: var(--white); padding: 1.5rem; border-left: 4px solid var(--accent-gold); box-shadow: var(--shadow-card); }
.stat-card strong { display: block; font-size: 1.6rem; color: var(--accent-gold); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.shadow-card, .panel-card, .profile-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 0.3rem;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--accent-gold);
}
.shadow-card p, .panel-card p { margin-top: 0.75rem; }
.shadow-card a { color: var(--accent-gold); font-weight: 600; text-decoration: none; }
.profile-card { display: block; text-decoration: none; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.profile-card:hover { transform: translateY(-6px); box-shadow: 0 22px 48px rgba(10, 37, 64, 0.14); }
.profile-card img { height: 240px; object-fit: cover; border-radius: 0.25rem; margin-bottom: 1rem; }
.profile-meta h3 { font-size: 1.05rem; color: var(--primary-navy); margin-bottom: 0.35rem; }
.profile-role { color: var(--accent-gold); font-weight: 700; font-size: 0.9rem; margin-bottom: 0.75rem; text-transform: uppercase; }
.profile-link { display: inline-block; margin-top: 0.75rem; color: var(--accent-gold); font-weight: 700; }
.image-panel img, .image-showcase img { border-radius: 0.3rem; box-shadow: var(--shadow-card); }
.image-showcase { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.5rem; }
.filter-btn {
  border: 1px solid #d4dbe2;
  background: var(--white);
  color: var(--primary-navy);
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-size: 0.75rem;
  border-radius: 999px;
  transition: all 0.2s ease;
}
.filter-btn.active { background: var(--primary-navy); color: var(--white); border-color: var(--primary-navy); }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.gallery-card { background: var(--white); box-shadow: var(--shadow-card); overflow: hidden; border-radius: 0.3rem; transition: transform 0.25s ease; }
.gallery-card:hover { transform: translateY(-4px); }
.gallery-card img { height: 220px; object-fit: cover; }
.gallery-card .card-body { padding: 1rem; }
.gallery-card h3 { font-size: 0.95rem; margin-bottom: 0.5rem; color: var(--primary-navy); }
.gallery-card p { font-size: 0.9rem; }
.gallery-card.hidden { display: none; }

.hero-founder { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('Founder.png'); }
.hero-co-founder { background-image: linear-gradient(rgba(10,37,64,0.72), rgba(10,37,64,0.72)), url('Co-founder.JPG'); }
.profile-page { padding: 3rem 1.25rem 4rem; }
.profile-hero { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; align-items: center; }
.profile-hero img { max-height: 420px; object-fit: cover; border-radius: 0.35rem; box-shadow: var(--shadow-card); }
.profile-intro { background: var(--white); padding: 2rem; border-radius: 0.35rem; box-shadow: var(--shadow-card); }
.profile-intro h1 { font-size: 2rem; color: var(--primary-navy); margin-bottom: 0.75rem; }
.profile-intro .title { color: var(--accent-gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 1rem; }
.profile-grid-section { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.profile-grid-section article { background: var(--white); padding: 1.5rem; border-radius: 0.35rem; box-shadow: var(--shadow-card); }
.profile-grid-section h3 { color: var(--primary-navy); margin-bottom: 0.65rem; }
.profile-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 1.5rem; align-items: start; }
.profile-card { background: var(--white); padding: 1.5rem; border-radius: 0.35rem; box-shadow: var(--shadow-card); }
.profile-card img { border-radius: 0.3rem; object-fit: cover; height: 360px; }
.profile-content h2 { margin-bottom: 0.75rem; color: var(--primary-navy); font-size: 1.35rem; }
.profile-title { color: var(--accent-gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.7rem; }
.profile-highlights { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.profile-highlights div { background: var(--off-white); padding: 0.9rem; border-left: 3px solid var(--accent-gold); }
.profile-highlights strong { display: block; color: var(--primary-navy); }
.profile-list { padding-left: 1.1rem; color: var(--secondary-slate); }
.profile-list li { margin-bottom: 0.45rem; }

form label { display: block; margin-bottom: 1rem; font-weight: 600; color: var(--primary-navy); }
form input, form textarea { width: 100%; margin-top: 0.35rem; padding: 0.8rem 0.9rem; border: 1px solid #d9e0e6; border-radius: 0.25rem; font: inherit; }
form textarea { min-height: 120px; resize: vertical; }
form button { border: none; cursor: pointer; }
.badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem; }
.badges span { padding: 0.45rem 0.75rem; background: var(--off-white); color: var(--primary-navy); border-radius: 999px; font-size: 0.8rem; }
.contact-shell { max-width: 1200px; margin: 0 auto; padding: 4rem 1.25rem; }
.contact-intro { max-width: 780px; margin-bottom: 2rem; }
.contact-intro h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); color: var(--primary-navy); margin-bottom: 0.7rem; }
.contact-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1.5rem; align-items: start; }
.contact-form-card { padding: 1.6rem; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.contact-details-stack { display: grid; gap: 1rem; }
.contact-list { list-style: none; display: grid; gap: 0.75rem; margin-top: 0.8rem; }
.contact-list li { display: flex; flex-direction: column; gap: 0.2rem; }
.contact-list a { color: var(--primary-navy); font-weight: 600; text-decoration: none; }
.contact-emphasis { font-size: 1.5rem; color: var(--accent-gold); font-weight: 700; margin-top: 0.5rem; }
.quick-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 1rem; }
.quick-facts div { background: var(--off-white); padding: 0.75rem; border-left: 3px solid var(--accent-gold); }
.quick-facts strong { display: block; color: var(--primary-navy); }
.quick-facts span { font-size: 0.9rem; }
@media (max-width: 900px) {
  .contact-layout, .field-grid, .quick-facts { grid-template-columns: 1fr; }
}

footer { background: var(--primary-navy); color: var(--white); padding: 3rem 1.25rem; margin-top: 2rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
.footer-note { max-width: 1200px; margin: 1.5rem auto 0; color: rgba(255,255,255,0.75); }

@media (max-width: 900px) {
  .intro-grid, .two-column-section, .split-layout, .contact-layout, .card-grid, .stats-section, .footer-grid, .image-showcase, .profile-grid-section, .profile-hero, .profile-grid { grid-template-columns: 1fr; }
  .nav-container { flex-direction: column; gap: 0.75rem; }
}