/* ================================
   Header / Nav
   ================================ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  color: var(--brand);
}

/* Default (mobile) */
.nav__logo {
  height: 56px;   /* small enough to fit phones */
  width: auto;
}

/* Tablets and up */
@media (min-width: 600px) {
  .nav__logo {
    height: 90px;   /* a bit larger on tablets */
  }
}

/* Desktop */
@media (min-width: 900px) {
  .nav__logo {
    height: 140px;  /* larger on desktop screens */
  }
}


/* Burger toggle (hidden on desktop) */
.nav__toggle {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: .5rem;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}
.nav__toggle-bar {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--text);
  border-radius: 2px;
}

/* Menu */
.nav__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  position: absolute;
  top: 64px;
  right: 1rem;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid #eee;
  border-radius: 10px;
  min-width: 220px;
  z-index: 9999;                /* beats hero layers */
}
.nav__menu.open { display: block; }

.nav__link,
.button--donate {
  display: block;
  padding: .85rem 1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.nav__link:hover { color: var(--brand); }
.button--donate {
  color: #fff;
  background: var(--brand);
  border-radius: 8px;
  margin: .5rem;
  text-align: center;
}
.button--donate:hover { background: var(--brand-600); }

/* Social bar (icons inline with nav) */
.social-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-bar a,
.social-bar button {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--text, #0e1116);
  background: none;
  border: none;
  cursor: pointer;
  padding: .25rem;
  border-radius: .4rem;
  transition: color .2s ease, background .2s ease;
}

.social-bar a:hover,
.social-bar a:focus-visible,
.social-bar button:hover,
.social-bar button:focus-visible {
  color: #ff9554; /* orange accent */
  background: rgba(0,0,0,.04);
  outline: none;
}

/* Desktop */
@media (min-width: 900px) {
  .nav__toggle { display: none; }
  .nav__menu {
    position: static;
    display: flex;
    align-items: center;
    gap: .75rem;
    background: transparent;
    box-shadow: none;
    border: 0;
    min-width: unset;
  }
  .nav__link,
  .button--donate { padding: .5rem .9rem; margin: 0; }
  .button--donate { margin-left: .25rem; }
}