/* ================= HEADER ================= */
.site-header {
  position: fixed; 
  top: 0;
  left: 0;
  right: 0;
  height: 95px;
  width: 100%;
  margin: 0;
  padding: 0;
  background: #ffffff;
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 10000;
  transition: transform 0.2s ease, opacity 0.2s ease;
  will-change: transform, opacity;
  pointer-events: auto;
}

/* ================= LINKS ================= */
.site-header a {
  text-decoration: none;
}

body.dark .site-header {
  background: #023049;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ================= HIDE NAV ON SCROLL (DESKTOP ONLY) ================= */
.site-header.nav-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.site-header.nav-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ================= HEADER INNER ================= */
.header-inner {
  position: relative;
  height: 100%;
  width: 100%;
  padding: 0;
  display: flex;
  align-items: center;
  grid-template-columns: auto 1fr auto;
  justify-content: space-between;
}

/* ================= LEFT ================= */
.header-left {
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: 30px;
  overflow: hidden;
}

#logo img {
  height: 140px;
  width: auto;
  max-height: 140px;
  display: block;
}

/* ================= CENTER NAV ================= */
.header-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 28px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 500;
  position: relative;
  color: #7a7a7a;
  line-height: 1;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

body.dark .nav-link {
  color: rgba(255, 255, 255, 0.75);
}

body.dark .nav-link:hover {
  color: #00D1CC;
}

/* ================= RIGHT ================= */
.header-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 2vw;
}

/* Desktop and Mobile Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hide mobile menu actions on desktop */
.mobile-menu-actions {
  display: none;
}

/* Show desktop actions on desktop */
.desktop-actions {
  display: flex;
}

/* ================= NAV TOGGLE (MOBILE) ================= */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: rgba(85, 69, 69, 0.08);
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  z-index: 10001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease;
}

.nav-toggle:hover {
  background: rgba(0, 0, 0, 0.15);
}

body.dark .nav-toggle span {
  background: #ffffff;
}

/* ================= MOBILE NAV ================= */
@media (max-width: 900px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    backdrop-filter: blur(14px) saturate(1.2);
  }

  .hero {
    padding-top: 95px;
  }

  .header-inner {
    justify-content: space-between;
  }

  .header-center {
    position: static;
    transform: none;
  }

  .nav-toggle {
    display: flex;
    position: fixed;
    top: 30px;
    right: 5vw;
    z-index: 10001;
  }

  /* Mobile nav panel */
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: auto;
    max-height: calc(100vh - 80px);
    padding: 1.5rem 5vw 1.5rem 5vw;
    margin-right: 70px;
    background: var(--card-light);
    border-radius: 0;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 9999;
    overflow-y: auto;
  }

  body.dark .nav {
    background: #053247ff;
    backdrop-filter: inherit;
  }

  .nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Mobile nav links */
  .nav > .nav-link {
    font-size: 1.1rem;
    padding: 0.85rem 0;
    line-height: 1.4;
    color: #7a7a7a;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  body.dark .nav > .nav-link {
    color: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav > .nav-link:last-of-type {
    border-bottom: none;
  }

  .nav > .nav-link + .nav-link {
    margin-top: 0;
  }

  .nav-link::after {
    display: none;
  }

  /* Show mobile menu actions inside nav */
  .mobile-menu-actions {
    display: flex;
    flex-direction: column;
    margin-top: 1rem;
    padding-top: 0.10rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    width: 100%;
    gap: 12px;
    padding-bottom: 1rem;
  }

  body.dark .mobile-menu-actions {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

 
  .mobile-menu-actions .theme-switch {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* Hide desktop actions on mobile */
  .desktop-actions {
    display: none;
  }

  /* Disable nav-hidden effect on mobile */
  .site-header.nav-hidden {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Hide duplicate desktop/mobile classes */
  .desktop-only { display: none; }
  .mobile-only { display: flex; }

  .header-left {
  padding-left: 20px;
  }
  
}