* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: #0e0e11;
  border-bottom: 1px solid rgba(19, 19, 19, 0.08);
}

.header-inner {
  max-width: 1200px;
  margin: auto;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.logo span {
  color: #38bdf8;
}

/* Desktop Nav */
.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: #e5e7eb;
  font-size: 15px;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: #38bdf8;
  transition: 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: #fff;
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: #0e0e11;
  display: none;
  flex-direction: column;
  text-align: center;
}

.mobile-menu a {
  padding: 18px;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgb(27, 27, 27);
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }
}
/* Mobile tap hover effect */
@media (max-width: 768px) {
  .mobile-menu a {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease;
  }

  .mobile-menu a::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    background: rgba(25, 26, 25, 0.25);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
  }

  .mobile-menu a:active {
    transform: scale(0.96);
  }

  .mobile-menu a:active::after {
    width: 220%;
    height: 220%;
  }
}