/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@400;500&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;
  --white-color: hsl(0, 0%, 100%);
  --black-color: hsl(0, 0%, 0%);
  --azure-blue: #007aff;
  --h1-font-size: 1.5rem;
  --normal-font-size: .938rem;
  --font-regular: 400;
  --font-medium: 500;
  --z-tooltip: 10;
  --z-fixed: 100;
}

/*=============== BASE STYLES ===============*/
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
}

.container {
  margin-inline: auto;
}

/*=============== HEADER & NAV (Shared/Desktop Default) ===============*/
.nav {
  position: relative;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  color: var(--white-color);
  font-weight: var(--font-medium);
}

.nav__menu {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 30px;
  column-gap: 3.5rem;
  font-family: "Caveat", cursive;
  font-weight: bold;
  font-style: italic;
}

.nav__list {
  display: flex;
  flex-direction: row;
  column-gap: 3.5rem;
}

.nav__link {
  position: relative;
  color: var(--black-color);
  font-size: var(--normal-font-size);
  font-weight: var(--font-medium);
  display: inline-flex;
  align-items: center;
  transition: opacity .4s;
}

.nav__link i {
  font-size: 1.5rem;
  position: absolute;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s, visibility .4s;
}

.nav__link span {
  position: relative;
  transition: margin .4s;
}

.nav__link:hover span {
  margin-left: 1.5rem;
}

.nav__link:hover i {
  opacity: 1;
  visibility: visible;
}

.nav__list:has(.nav__link:hover) .nav__link:not(:hover) {
  opacity: .4;
}

/* Social Icons (PC) */
.nav__social {
  display: flex;
  column-gap: 1rem;
}

.nav__social-link {
  font-size: 1.4rem;
  transition: transform .4s;
  font-weight: lighter;
  color: var(--black-color);
}

.nav__social-link:hover {
  transform: translateY(-.25rem);
}

/*=============== TOGGLE & HAMBURGER ===============*/
.nav__toggle, 
.nav__close {
  display: none;
  cursor: pointer;
  z-index: var(--z-fixed);
}

.nav__toggle {
  margin-left: auto;
  margin-right: 30px;
}

.hamburger {
  top: 35px;
  width: 30px;
  height: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--azure-blue);
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
  transform-origin: left;
}

.nav__toggle:hover .hamburger span:nth-child(1) { width: 50%; }
.nav__toggle:hover .hamburger span:nth-child(2) { width: 100%; }
.nav__toggle:hover .hamburger span:nth-child(3) { width: 75%; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg); width: 26px; }
.hamburger.active span:nth-child(2) { opacity: 0; transform: translateX(-20px); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg); width: 26px; }
.nav__close:hover .hamburger.active span {
  background-color: white; 
  filter: drop-shadow(0 0 5px rgba(255,255,255,0.8));
}

/*=============== MOBILE BREAKPOINTS ===============*/
@media screen and (max-width: 1150px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    left: -100%;
    top: 0;
    background: linear-gradient(180deg, 
                hsla(0, 0%, 0%, 0.98) 0%, 
                hsla(0, 0%, 5%, 0.98) 100%);
    backdrop-filter: blur(15px);
    width: 100%; 
    height: 100vh;
    padding: 7rem 3rem 4rem;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    transition: left .5s cubic-bezier(.86, 0, .07, 1);
    z-index: var(--z-fixed);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    margin-right: 0;
    font-family: inherit; 
    font-style: normal;
  }

  .nav__menu::before {
    content: "";
    position: absolute;
    top: 20%;
    left: -20%;
    width: 250px;
    height: 250px;
    background: rgba(0, 122, 255, 0.15);
    filter: blur(100px);
    border-radius: 50%;
    z-index: -1;
  }

  .nav__list {
    flex-direction: column;
    row-gap: 3rem;
    width: 100%;
  }

  .nav__item {
    transform: translateX(-30px);
    opacity: 0;
    transition: transform .5s ease, opacity .5s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
    padding-bottom: 0.75rem;
    width: 100%;
  }

  .nav__link {
    width: 100%;
    justify-content: flex-start;
  }

  .nav__link span {
    color: var(--white-color);
    font-size: 1.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
  }

  .nav__link i {
    opacity: 0.5;
    color: var(--white-color);
    visibility: visible;
    position: relative;
    font-size: 1.2rem;
    margin-right: 0.5rem;
  }

  .nav__close {
    display: flex;
    position: absolute;
    top: 1.3rem;
    right: 1rem;
    font-size: 3rem;
    color: var(--white-color);
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .nav__close:hover {
    transform: scale(1.2) rotate(90deg);
  }

  .nav__social {
    column-gap: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
  }

  .nav__social-link {
    background: rgba(255, 255, 255, 0.1);
    width: 45px;
    height: 45px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--white-color);
    font-size: 1.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav__social-link:hover {
    background: var(--azure-blue); 
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 122, 255, 0.3);
    color: white;
  }

  .show-menu {
    left: 0;
  }

  .show-menu .nav__item {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .nav__menu.show-menu ~ .nav__toggle {
    opacity: 0;
    visibility: hidden;
    pointer-events: none; 
  }
}

/*=============== MOBILE OPTIMIZATION ===============*/
@media screen and (max-width: 768px) {

  :root {
    --header-height: 3rem;
  }

  .nav__toggle {   
    margin-right: 25px;
  }

  .hamburger {
    top: 23px; 
    width: 25px;
    height: 15px;
  }
  
  .hamburger span {
    height: 2px;
  }

  .nav__menu {
    padding: 5rem 2rem 3rem;
  }

  .nav__list {
    margin-top: 50px;
    row-gap: 2rem;
  }

  .nav__link span {
    font-size: 1.25rem;
    letter-spacing: 1.5px;
  }

  .nav__link i {
    font-size: 1rem;
  }

  .nav__close {
 
    font-size: 2.2rem; 
  }

  .nav__social {
    padding-top: 1.5rem;
    column-gap: 1rem;
  }

  .nav__social-link {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .nav__item {
    padding-bottom: 0.5rem;
  }
}