/* ================= NAVBAR (DESKTOP + MOBILE) ================= */

/* MAIN BAR */
#navbar {
  position: relative;
  top: 0;
  width: 100%;
  background: linear-gradient(135deg, #0f172a, #1e293b, #0f172a);
  padding: 1rem 0;
  z-index: 9999;
  box-shadow: 0 3px 15px rgba(0,0,0,0.4);
}
body {
  margin: 0;
}

main {
  padding-top: 80px;
}


/* On scroll – uses --nav-bg from style.css */
#navbar.scrolled {
  background: var(--nav-bg);
}

/* FLEX CONTAINER */
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* LOGO */
.logo {
  color: #fff !important;
  font-size: 1.3rem;
  font-weight: 600;
  text-decoration: none;
  transition: .3s;
  margin-left: -190px;   /* desktop tweak */
}

.logo:hover {
  opacity: 0.7;
}

/* DESKTOP NAV LINKS */
#navbar nav {
  margin-right: -161px;  /* desktop shift */
  display: flex;
  align-items: center;
}

#navbar nav a {
  color: #fff !important;
  margin-left: 2rem;
  text-decoration: none;
  position: relative;
  transition: .3s;
}

#navbar nav a:hover {
  color: #00b4d8 !important;
}

#navbar nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #00b4d8;
  transition: .3s;
}

#navbar nav a:hover::after,
#navbar nav a.active::after {
  width: 100%;
}

/* ACTIVE LINK COLOR */
nav a.active {
  color: #00b4d8 !important;
  font-weight: 600;
}

/* ================= HAMBURGER BUTTON ================= */

/* Simple 3-line hamburger (no round background) */
.nav-toggle {
  display: none;              /* ✅ hidden on desktop */
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  outline: none;

  /* flex props are fine even when hidden */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;                /* line length */
  height: 3px;                /* line thickness */
  background: #ffffff;
  border-radius: 3px;
  transition: 0.3s ease;
}

/* X animation when menu is open */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ================= MOBILE NAV ================= */

@media (max-width: 768px) {
  /* Row layout: logo left, hamburger right */
  .nav-container {
    flex-direction: row;
    align-items: center;
  }

  /* Remove big negative margin on mobile */
  .logo {
    margin-left: 0;
  }

  /* Dropdown-style nav below header */
  #navbar nav {
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    margin-right: 0;
    padding: 1rem 1.5rem 1.5rem;
    background: linear-gradient(135deg, #0f172a, #1e293b, #0f172a);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    display: none;              /* hidden until .open */
    box-shadow: 0 8px 20px rgba(0,0,0,0.35);
  }

  #navbar nav.open {
    display: flex;
  }

  #navbar nav a {
    margin: 0;
    width: 100%;
  }

  /* ✅ show hamburger only on mobile */
  .nav-toggle {
    display: flex;
  }
}