:root {
  --site-shell-padding: 6%;
  --nav-height: 76px;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--site-shell-padding);
  height: var(--nav-height);
  background: rgba(6, 13, 14, 0.88);
  border-bottom: 1px solid rgba(13, 110, 120, 0.25);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(9, 79, 88, 0.35);
  transition: background 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  background: var(--teal-dark);
  box-shadow: 0 2px 32px rgba(9, 79, 88, 0.45);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img {
  height: 64px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  display: block;
  transform: scale(1.35);
  transform-origin: left center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.05rem, 2.5vw, 2.25rem);
  list-style: none;
}

.nav-links a {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  letter-spacing: 0.04em;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-cta {
  background: var(--gold);
  color: #0a0a0a;
  border: none;
  padding: 9px 22px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
}

.nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(6, 13, 14, 0.98);
  border-bottom: 1px solid rgba(13, 110, 120, 0.25);
  padding: 20px 0;
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

.mobile-menu.active {
  display: block;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 0;
}

.mobile-links li {
  border-bottom: 1px solid rgba(13, 110, 120, 0.1);
}

.mobile-links a {
  display: block;
  padding: 16px var(--site-shell-padding);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s, background 0.2s;
}

.mobile-links a:hover {
  color: var(--gold);
  background: rgba(13, 110, 120, 0.2);
}

.mobile-cta {
  background: var(--gold) !important;
  color: #0a0a0a !important;
  font-weight: 700;
  margin: 12px var(--site-shell-padding);
  border-radius: 6px;
}

.mobile-cta:hover {
  background: var(--gold-light) !important;
}

footer {
  background: var(--teal-dark);
  border-top: 2px solid var(--gold);
}

.ft-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.ft-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding: 60px var(--site-shell-padding) 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.ft-brand img {
  height: 120px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  display: block;
  margin: -42px 0 -14px;
  transform: scale(1.2);
  transform-origin: left center;
}

.ft-tagline {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.78;
  max-width: 270px;
  margin-bottom: 24px;
}

.ft-bottom {
  padding: 20px var(--site-shell-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 900px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-logo img {
    height: 48px;
    transform: scale(1.25);
  }
}

@media (max-width: 960px) {
  .ft-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .ft-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .ft-top {
    grid-template-columns: 1fr;
    padding: 40px var(--site-shell-padding) 28px;
    gap: 28px;
  }

  .ft-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px var(--site-shell-padding);
    gap: 10px;
  }
}