:root {
  --navy: #13285c;
  --navy-deep: #0d1c42;
  --ink: #22283a;
  --muted: #5a6172;
  --line: #e3e6ee;
  --paper: #ffffff;
  --paper-soft: #f6f7fa;
  --serif: "EB Garamond", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand img { height: 52px; width: auto; }

.site-nav { display: flex; gap: 2rem; }

.site-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--navy);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.site-nav a:hover { border-bottom-color: var(--navy); }

/* Hero */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  background: url("../images/turbine-2000x1339.jpeg") center 30% / cover no-repeat;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 28, 66, 0.88) 0%, rgba(13, 28, 66, 0.55) 55%, rgba(13, 28, 66, 0.25) 100%);
}

.hero-content {
  position: relative;
  padding-top: 4rem;
  padding-bottom: 4rem;
  max-width: 1080px;
  width: 100%;
}

.hero-kicker {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.12;
  max-width: 15em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 34em;
}

/* Sections */
.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2rem;
  color: var(--navy);
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--navy);
  margin: 1rem auto 0;
  opacity: 0.35;
}

/* Documents */
.documents { padding: 5.5rem 0; }

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.doc-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 2.25rem 2rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.doc-card:hover {
  border-color: var(--navy);
  box-shadow: 0 10px 30px rgba(19, 40, 92, 0.10);
  transform: translateY(-3px);
}

.doc-icon { width: 2rem; height: 2rem; color: var(--navy); }

.doc-card h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--navy);
}

.doc-cta {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.doc-card:hover .doc-cta { color: var(--navy); }

/* Contact */
.contact {
  padding: 5.5rem 0;
  background: var(--paper-soft);
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2.5rem;
  align-items: stretch;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  justify-content: center;
}

.contact-item h3 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.contact-item p { font-size: 1.1rem; }

.contact-item a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.contact-item a:hover { border-bottom-color: var(--navy); }

.map-wrapper {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 340px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: 65vh; }
  .brand img { height: 42px; }
}