:root {
  --background: #ffffff;
  --text-color: #222;
  --primary: #0d2b4f;
  --accent: #c59d42;
  --light-bg: #f8f9fa;
  --nav-height: 60px;
}

body {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  margin: 0;
  background: var(--background);
  color: var(--text-color);
}

header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 1000;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  height: var(--nav-height);
}

.logo {
  font-weight: 700;
  color: #fff;
  font-size: 1.25rem;
  margin-right: 1rem;
}

.byline {
  color: #fff;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.nav-links .cta {
  background: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

.nav-links .cta:hover {
  background: #b48b34;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; flex-direction: column; background: var(--primary); position: absolute; top: var(--nav-height); right: 0; left: 0; padding: 1rem; }
  .nav-links.show { display: flex; }
  .byline { display: none; }
}

.hero-section {
  position: relative;
  color: #fff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: top center;
  background-color: #000;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
}

.hero-section > * {
  position: relative;
  z-index: 1;
}

.hero-content {
  margin-top: 20vh;
}

@media (max-width: 768px) {
  .hero-content {
    margin-top: 10vh;
  }
}

.cta-button {
  font-weight: 600;
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  margin-top: 1rem;
}

.cta-button:hover {
  background: #b48b34;
}

.section {
  padding: 3rem 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 1.5rem;
}

.card {
  background: var(--light-bg);
  padding: 1.5rem;
  border-radius: 6px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.benefits {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 0;
}

.benefits li::before {
  content: '\2713\0020';
  color: var(--accent);
}

.card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: .5rem;
  display: block;
}

footer {
  text-align: center;
  padding: 2rem 0;
  background: var(--light-bg);
  margin-top: 2rem;
}

.faq-item {
  background: var(--light-bg);
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(120px,1fr));
  gap: 1rem;
  justify-items: center;
}

.cert-grid img {
  width: 100%;
  max-width: 150px;
  height: auto;
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border: 4px solid #fff;
  border-radius: 6px;
}

/* Collaboration / Contact page */
.contact-section {
  padding: 3rem 0;
}

.contact-form {
  max-width: 500px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.contact-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  width: fit-content;
  justify-self: center;
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: 0;
  border-radius: 6px;
  margin-top: 1rem;
}