/* ---------- HEADER BAR ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-right {
  display: flex;
  align-items: center;
}

.logo {
  height: 42px;
}

/* ---------- MENU ICON ---------- */
.menu-icon {
  width: 25px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  row-gap: 7px;
  cursor: pointer;
  z-index: 300;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.menu-icon span {
  height: 1.2px;
  width: 100%;
  background: #fff;
  border-radius: 6px;
  transition: transform 0.45s ease, opacity 0.3s ease;
  transform-origin: center;
}

.menu-icon.icon-hover {
  transform: scale(1.08);
}

.menu-icon.icon-hover span {
  background: #19c3c0;
  box-shadow: 0 0 12px rgba(25, 195, 192, 0.6);
}

.menu-icon.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.menu-icon.active span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

.menu-icon.active span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* ---------- SIDEBAR MENU ---------- */
.sidebar {
  position: fixed;
  inset: 0;
  background: var(--bg);
  background-size: 300% 300%;
  animation: rimacFlow 18s ease-in-out infinite;
  z-index: 200;
  clip-path: circle(0% at 98% 20px);
  pointer-events: none;
  color: #fff;
  transition: clip-path 0.4s ease-out;
}

.sidebar.open {
  clip-path: circle(150% at 98% 20px);
  pointer-events: auto;
  transition: clip-path 0.5s ease-out;
}

/* ---------- MENU BACKGROUND IMAGES ---------- */
.menu-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.15) translateY(20px);
  filter: brightness(0.7) blur(8px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1), filter 0.8s
    cubic-bezier(0.22, 1, 0.36, 1);
}

.bg-img.active {
  opacity: 1;
  transform: scale(1.05) translateY(0);
  filter: brightness(1) blur(0px);
}

.menu-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.45));
  pointer-events: none;
}

/* ---------- LINK LIST ---------- */
.sidebar-links {
  list-style: none;
  margin-top: 10rem;
  margin-left: 10rem;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-links a {
  text-decoration: none;
  color: #fff;
  font-size: 2rem;
  opacity: 0;
  transform: translateY(25px);
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  display: inline-block;
  transform-origin: left;
}

.sidebar-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  border-radius: 40px;
  transition: width 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 0 12px rgba(25, 195, 192, 0.65);
  opacity: 0.9;
}

.sidebar-links a.text-hover {
  color: #19c3c0;
  transform: translateX(14px) scale(1.08);
  letter-spacing: 1.5px;
  text-shadow: 0 0 10px rgba(25, 195, 192, 0.55), 0 0 25px rgba(25, 195, 192, 0.35);
}

.sidebar-links a.text-hover::after {
  width: 100%;
}

.sidebar-links a.dimmed {
  opacity: 0.45 !important;
  filter: blur(0.2px);
  transition: opacity 0.3s ease;
}

.sidebar-links a.active-link {
  color: #19c3c0;
  border-left: 4px solid #19c3c0;
  padding-left: 12px;
  font-weight: bold;
}

/* ---------- DARK OVERLAY BEHIND MENU ---------- */
.overlay-bg {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  z-index: 150;
  transition: opacity 0.3s ease-out;
}

.overlay-bg.active {
  opacity: 1;
  pointer-events: auto;
}

/* Added comprehensive mobile responsive styles */
@media (max-width: 768px) {
  .header {
    padding: 14px 16px;
    margin: 0;
  }

  .logo {
    height: 36px;
  }

  .menu-icon {
    width: 30px;
    height: 20px;
  }

  .menu-icon span {
    height: 1px;
  }

  .sidebar {
    padding: 80px 20px;
  }

  .sidebar-links {
    margin-top: 60px;
    margin-left: 20px;
    gap: 20px;
  }

  .sidebar-links a {
    font-size: 1.4rem;
    transition: all 0.4s ease-out;
  }

  .sidebar-links a.text-hover {
    transform: translateX(10px) scale(1.05);
    letter-spacing: 1px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 12px 14px;
    margin: 0;
  }

  .logo {
    height: 30px;
  }

  .menu-icon {
    width: 28px;
    height: 18px;
  }

  .menu-icon span {
    height: 0.9px;
  }

  .sidebar {
    /* Adjusted clip-path center position for small mobile screens */
    padding: 70px 16px;
  }

  .sidebar.open {
    clip-path: circle(150% at 100% 20px);
  }

  .sidebar-links {
    margin-top: 50px;
    margin-left: 10px;
    gap: 16px;
  }

  .sidebar-links a {
    font-size: 1.2rem;
  }

  .sidebar-links a.text-hover {
    transform: translateX(8px) scale(1.03);
    letter-spacing: 0.8px;
  }
}

@media (max-width: 360px) {
  .header {
    padding: 10px 12px;
    margin: 0;
  }

  .logo {
    height: 28px;
  }

  .menu-icon {
    width: 26px;
    height: 16px;
  }

  .sidebar {
    padding: 65px 12px;
  }

  .sidebar-links {
    margin-top: 45px;
    margin-left: 8px;
    gap: 14px;
  }

  .sidebar-links a {
    font-size: 1.1rem;
  }
}