/* Nav: left = logo + page links, right = Resume + LinkedIn */

/* Nav load: expand from center, left/right content fade in */
@keyframes navExpandFromCenter {
  0% {
    width: 100px;
    max-width: 100px;
  }
  100% {
    width: 60%;
    max-width: 1440px;
  }
}

@keyframes logoFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes navItemFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* Desktop only: nav load animation (home page only) */
@media (min-width: 921px) {
  body.home .nav {
    animation: navExpandFromCenter 2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }
  body.home .nav-logo-img {
    transform-origin: center;
    animation: logoFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0s forwards;
  }
  /* nav-left list items: fade in one by one */
  body.home .nav-links.nav-links-desktop li:nth-child(1) {
    opacity: 0;
    animation: navItemFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
  }
  body.home .nav-links.nav-links-desktop li:nth-child(2) {
    opacity: 0;
    animation: navItemFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
  }
  body.home .nav-links.nav-links-desktop li:nth-child(3) {
    opacity: 0;
    animation: navItemFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0.7s forwards;
  }
  /* nav-right list items: fade in one by one */
  body.home .nav-right li:nth-child(2) {
    opacity: 0;
    animation: navItemFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
  }
  body.home .nav-right li:nth-child(1) {
    opacity: 0;
    animation: navItemFadeIn 2s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
  }
}

.nav {
  --nav-height: 60px;
  position: fixed;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 60%;
  max-width: 1440px;
  height: var(--nav-height);
  margin: 42px auto;
  padding: 0 24px 0 24px;
  border-radius: 1000px;
  background-color: hsla(0, 0%, 100%, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 4px 4px 40px 4px rgba(0, 0, 0, 0.05);
  transition: 0.1s;
}

.nav-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Left: logo + page links */
.nav-left {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  padding-right: 12px;
  transition: 0.5s;
}

.nav-logo:hover {
  opacity: 0.5;
  transition: 0.5s;
}

.nav-logo-img {
  display: block;
  height: 20px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 300;
  color: gray;
  text-decoration: none;
  padding: 0 10px;
  line-height: var(--nav-height);
  transition: color 0.25s;
}

.nav-links a:hover {
  color: black;
}

/* Right: Resume, LinkedIn (desktop). Mobile: nav-menu panel has nav-links-mobile + nav-right */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.25s;
}

/* Desktop: show nav-links in nav-left, hide the copy in nav-menu */
.nav-links-mobile {
  display: none;
}

.nav-right {
  list-style: none;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.25s;
}

.nav-right a {
  font-size: 14px;
  font-weight: 300;
  color: gray;
  text-decoration: none;
  padding: 0 10px;
  line-height: var(--nav-height);
  transition: color 0.25s;
}

.nav-right a:hover {
  color: black;
}

.nav-ext-arrow {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-flex;
  align-items: center;
  margin-left: 2px;
  vertical-align: middle;
}

.nav-ext-arrow svg {
  display: block;
  color: currentColor;
}

/* Hamburger (hidden on desktop) */
.nav-toggle {
  display: none;
  cursor: pointer;
}

.nav-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 24px;
  height: 26px;
}

.nav-icon span {
  display: block;
  width: 100%;
  height: 3.5px;
  background: black;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}

/* Hamburger → X when open (script adds .open to #nav-icon) */
.nav-icon.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-icon.open span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile: hamburger opens .nav-menu with nav-links + nav-right as one list */
@media (max-width: 920px) {
  .nav,
  .nav-logo-img,
  .nav-links.nav-links-desktop li,
  .nav-right li {
    animation: none;
    opacity: 1;
  }

  .nav {
    width: 90%;
    max-width: 90%;
    margin: 4vw 5%;
  }

  .nav-toggle {
    display: block;
    order: 1;
  }

  .nav-left {
    order: 0;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    right: -110%;
    width: 45%;
    min-height: 30vh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 20px;
    border-radius: 16px;
    background-color: white;
    backdrop-filter: blur(6px);
    box-shadow: 4px 4px 40px 4px rgba(0, 0, 0, 0.05);
    transition: right 0.5s;
    order: 2;
  }

  .nav-check:checked ~ .nav-menu {
    right: 2%;
  }

  /* Show nav-links in dropdown, hide nav-links beside logo */
  .nav-links-desktop {
    display: none;
  }

  .nav-links-mobile {
    display: flex;
  }

  .nav-menu .nav-links,
  .nav-menu .nav-right {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-menu .nav-links li,
  .nav-menu .nav-right li {
    width: 100%;
    text-align: center;
  }

  .nav-menu .nav-links a,
  .nav-menu .nav-right a {
    display: block;
    line-height: 48px;
    padding: 0 16px;
  }
}