/* ============================================================
   BANNER.CSS — Styles for the top banner / navigation bar.
   Applies to desktop and mobile layouts.
   ============================================================ */

/* ---- DESKTOP BANNER ---- */

.banner {
  /* Change banner background color in colors.css → --color-banner-bg */
  background-color: var(--color-banner-bg);

  /* Optional: use a banner background IMAGE instead of a color.
     Uncomment the lines below and set the image path.
     Comment out background-color above if using an image. */
  /* background-image: url('../assets/images/banner/banner-bg.jpg'); */
  /* background-size: cover; */
  /* background-position: center; */

  display: flex;
  align-items: center;
  justify-content: center;        /* centers the logo */
  position: relative;
  padding: 10px 30px;
  width: 100%;
  box-sizing: border-box;
  min-height: 80px;               /* Change banner height here */
}

/* Nav links sit on either side of the logo */
.banner-nav {
  display: flex;
  align-items: center;
  gap: 40px;                      /* Change spacing between nav items here */
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  justify-content: center;
  pointer-events: none;           /* let clicks pass through to links */
}

.banner-nav a {
  pointer-events: all;
  font-family: var(--font-nav);
  font-size: var(--font-nav-size);
  font-weight: var(--font-nav-weight);
  color: var(--color-banner-text);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.banner-nav a:hover {
  color: var(--color-link-hover);  /* Change nav hover color in colors.css */
}

/* Logo image centered in banner */
.banner-logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.banner-logo img {
  height: 64px;                   /* Change logo size here */
  width: auto;
  display: block;
}

/* Space out Home/About/Topics around the logo */
.nav-left {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  padding-right: 40px;
}

.nav-right {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  padding-left: 40px;
  gap: 40px;
}

.banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1200px;
}


/* ---- MOBILE BANNER ---- */

.mobile-banner {
  display: none;                  /* Hidden on desktop — shown in responsive.css */
  background-color: var(--color-banner-bg);
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  min-height: 60px;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

.mobile-banner-logo img {
  height: 44px;                   /* Change mobile logo size here */
  width: auto;
}

/* Hamburger icon — three dashes */
.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.hamburger-btn span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--color-banner-text);  /* Change hamburger bar color in colors.css */
  border-radius: 2px;
  transition: background-color 0.2s;
}

/* Mobile slide-in menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  background-color: var(--color-mobile-menu-bg);
  z-index: 1000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--font-nav);
  font-size: 2.2rem;              /* Change mobile menu link size here */
  font-weight: 600;
  color: var(--color-mobile-menu-text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.mobile-menu a:hover {
  color: var(--color-link-hover);
}

/* Close (X) button inside mobile menu */
.mobile-menu-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-mobile-menu-text);
  line-height: 1;
}