:root {
  --bg: #0d2333;
  --fg: #ffffff;
  --muted: rgba(255,255,255,.85);
  --accent: #e0c879;
  --container: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--fg); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 35, 51, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.logo img {
  max-height: 44px;
  width: auto;
}
.menu {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}
.menu a {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg);
  margin: 5px 0;
  transition: .25s;
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  background-size: cover;
  background-position: center;
  background-color: #07121b;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,18,27,.4) 0%, rgba(7,18,27,.1) 50%, rgba(7,18,27,.6) 100%);
}

/* Content blocks */
.block {
  position: relative;
  padding: 130px 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #07121b;
}
.block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,15,24,.78) 0%, rgba(5,15,24,.65) 50%, rgba(5,15,24,.85) 100%);
  z-index: 0;
}
.block .container {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.block h2 {
  font-family: 'Raleway', sans-serif;
  font-weight: 300;
  font-size: 56px;
  margin: 0 0 32px;
  letter-spacing: 1px;
  position: relative;
}
.block h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 2px;
  background: var(--accent);
  margin-top: 18px;
}
.block p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 18px;
}

#about    { background-image: url('about.jpg'); }
#services { background-image: url('services.jpg'); }
#values   { background-image: url('values.jpg'); }
#contact  { background-image: url('contact.jpg'); }

/* Contact list */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  font-size: 18px;
}
.contact-list li {
  margin-bottom: 14px;
}
.contact-list .label {
  display: inline-block;
  min-width: 92px;
  font-weight: 500;
  color: var(--accent);
  margin-right: 8px;
}
.contact-list a {
  border-bottom: 1px dashed rgba(255,255,255,.4);
}

/* Footer */
.site-footer {
  background: #06151f;
  padding: 28px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

/* Mobile */
@media (max-width: 768px) {
  .block { background-attachment: scroll; padding: 80px 0; }
  .block h2 { font-size: 40px; }
  .block p { font-size: 16px; }
  .contact-list { font-size: 16px; }
  .nav-toggle { display: block; }
  .menu {
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(13, 35, 51, 0.98);
    padding: 16px 24px;
    gap: 16px;
    transform: translateY(-150%);
    transition: transform .3s;
  }
  .menu.open { transform: translateY(0); }
}