/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(15,18,34,0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--sp-md);
  max-width: 1200px;
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.2;
}

.nav__logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--clr-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__links a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--transition), background var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--clr-white);
  background: rgba(255,255,255,0.06);
}

.nav__links a.active {
  color: var(--clr-blue);
}

.nav__cta {
  padding: 0.6rem 1.2rem;
  background: var(--grad-accent);
  color: var(--clr-white) !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}

.nav__cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  background: rgba(255,255,255,0.06) !important;
  color: var(--clr-white) !important;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav__hamburger { display: flex; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(15,18,34,0.97);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--clr-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 var(--sp-md);
  }

  .nav__links.open {
    max-height: 480px;
    padding: var(--sp-sm) var(--sp-md) var(--sp-md);
  }

  .nav__links a {
    width: 100%;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--clr-border);
    border-radius: 0;
    font-size: 1rem;
  }

  .nav__links a:last-child { border-bottom: none; }

  .nav__cta {
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
    justify-content: center;
    border-radius: var(--radius-sm) !important;
  }
}

/* Hamburger open state */
.nav.open .nav__hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav.open .nav__hamburger span:nth-child(2) { opacity: 0; }
.nav.open .nav__hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--clr-navy);
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-lg) 0 var(--sp-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}

.footer__brand img {
  height: 48px;
  margin-bottom: var(--sp-sm);
}

.footer__brand p {
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--sp-md);
}

.footer__socials {
  display: flex;
  gap: 0.75rem;
}

.footer__socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer__socials a:hover {
  border-color: var(--clr-blue);
  color: var(--clr-blue);
  background: rgba(37,99,235,0.1);
}

.footer__col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-white);
  margin-bottom: var(--sp-sm);
}

.footer__col ul li { margin-bottom: 0.6rem; }

.footer__col ul a {
  color: var(--clr-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__col ul a:hover { color: var(--clr-blue); }

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: var(--sp-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--clr-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer__bottom a { color: var(--clr-blue); }

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-md);
  }
}

@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}