/* =========================
   HEADER
========================= */
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header {
  height: var(--nav-height);
  background: var(--color-bg-secondary); /* Minimalist background color */

  position: relative;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);

  /* tokens */
  --nav-link-gap: 32px;
  --nav-link-padding-x: 12px;
  --nav-link-padding-y: 8px;
}

/* Modifier para ocultar */
.header--hidden {
  transform: translateY(-100%);
}

/* =========================
   CONTAINER
========================= */
.header__container {
  max-width: var(--nav-container-width);
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 var(--space-4);
  height: 70px;
}

/* =========================
   LOGO
========================= */
.header__logo a {
  font-size: var(--text-heading-m);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
}

/* =========================
   NAV DESKTOP
========================= */
.nav__cv-button {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-body-m);
  font-weight: var(--font-medium);
  text-transform: none;
  letter-spacing: normal;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-action-primary);
  color: white;
  transition: all 0.2s ease;
  margin-left: 12px;
}

.nav__cv-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  background-color: var(--color-action-primary);
  opacity: 0.9;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--nav-link-gap);
}

.nav__link {
  position: relative; /* Para el posicionamiento del pseudo-elemento */
  font-size: var(--text-body-m);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);

  text-decoration: none;
  padding: var(--nav-link-padding-y) var(--nav-link-padding-x);

  transition: color 0.2s ease;
}

/* Base de la línea animada (pseudo-elemento) */
.nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-action-primary);
  transition: width 0.3s ease; /* Expansión de la barra */
}

.nav__link:hover {
  color: var(--color-action-primary);
}

/* Efecto Hover: se expande al 100% de la izquierda a la derecha */
.nav__link:hover::after {
  width: 100%;
}

.nav__link.active {
  color: var(--color-action-primary);
  font-weight: var(--font-semibold);
}

/* Si es el elemento activo, también mantén la línea al 100% */
.nav__link.active::after {
  width: 100%;
}

/* =========================
   MENU ICON
========================= */
.menu-toggle {
  display: none;
  position: relative;
  width: 24px;
  height: 20px;

  background: none;
  border: none;
  cursor: pointer;

  z-index: 10001;
}

.menu-icon {
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary, red);
  left: 0;

  transition: all 0.3s ease;
}

.menu-icon:nth-child(1) { top: 0; }
.menu-icon:nth-child(2) { top: 9px; }
.menu-icon:nth-child(3) { bottom: 0; }

/* animación a X */
.menu-toggle.open .menu-icon:nth-child(1) {
  transform: rotate(45deg);
  top: 9px;
}

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

.menu-toggle.open .menu-icon:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 9px;
}

/* =========================
   MOBILE OVERLAY
========================= */
@media (max-width: 768px) {

  .menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    inset: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    background: var(--color-bg-secondary); /* Match header background */

    z-index: 10000;

    /* oculto */
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;

    transition: all 0.3s ease;
  }

  .nav--open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav__link {
    font-size: var(--text-body-l); /* Tamaño más elegante y proporcionado */
    margin-bottom: var(--space-2); /* Espaciado reducido para estar más juntos */
    text-align: center;

    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }

  .nav--open .nav__link {
    opacity: 1;
    transform: translateY(0);
  }

  .nav--open .nav__link:nth-child(1) { transition-delay: 0.05s; }
  .nav--open .nav__link:nth-child(2) { transition-delay: 0.1s; }
  .nav--open .nav__link:nth-child(3) { transition-delay: 0.15s; }
  .nav--open .nav__link:nth-child(4) { transition-delay: 0.2s; }
  .nav--open .nav__link:nth-child(5) { transition-delay: 0.25s; }
  .nav--open .nav__cv-button { transition-delay: 0.3s; }

  .nav__cv-button {
    display: inline-flex;
    margin-top: var(--space-4);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }

  .nav--open .nav__cv-button {
    opacity: 1;
    transform: translateY(0);
  }
}


/* =========================
   NO SCROLL
========================= */
.no-scroll {
  overflow: hidden;
}