/*==================================================
05. HEADER
==================================================*/

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);

  transition: 0.3s ease;
}

header.scrolled {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-bio img {
  height: 58px;
}

/* NAV */
.nav-list {
  display: flex;
  gap: 28px;
}

.nav-list a {
  font-weight: 600;
  color: var(--verde);
  position: relative;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: var(--verde-claro);
  transform: translateX(-50%);
  transition: var(--transition);
}

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

/*==============================================
MENÚ HAMBURGUESA
==============================================*/

.menu-toggle {
  display: none;
  width: 46px;
  height: 42px;
  padding: 0;

  border: 1px solid rgba(0, 59, 18, 0.16);
  border-radius: 8px;
  background: var(--blanco);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;

  border-radius: 50px;
  background: var(--verde);

  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

@media (max-width: 768px) {
  .nav-container {
    flex-wrap: wrap;
    gap: 14px;
  }

  .logo-bio img {
    max-width: 180px;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .nav {
    display: none;
    order: 3;
    width: 100%;
  }

  .nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    align-items: stretch;

    padding: 8px 0;

    border-top: 1px solid rgba(0, 59, 18, 0.12);
  }

  .nav-list a {
    display: block;
    padding: 13px 8px;
    text-align: center;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}