:root {
  --navigation-color: rgba(255, 255, 255, 097);
  --nav-accent-color: #0071ff;
  --navigation-link-color: #212529;
  --main-heading-color: #e9ecef;
  --footer-color: #f1f3f5;
  --icon-mobile-nav: #333;
  --hover-color: #0071ff;
  --nav-menu-overlay: rgba(32, 32, 32, 0.95);
  --nav-menu-grid: rgba(17, 17, 17, 0.525);
  --nav-link-hover: rgba(33, 33, 33, 0.4);
  --main-nav-hover: #ffffff;
  --mobile-nav-background: rgba(233, 236, 239, 0.95);
}

.darkmode {
  --navigation-color: rgba(42, 42, 42, 0.97);
  --hover-color: #74c0fc;
  --navigation-link-color: #e7f5ff;
  --main-heading-color: #e7f5ff;
  --footer-color: #2a2a2a;
  --theme-btn-background-color: #1a1a1a;
  --theme-btn-button-color: #495057;
  --theme-btn-hover: #ffe066;
  --icon-mobile-navigation: #e7f5ff;
  --nav-menu-overlay: rgba(0, 0, 0, 0.95);
  --nav-menu-grid: rgba(47, 47, 47, 0.525);
  --nav-link-hover: rgba(46, 46, 46, 0.9);
  --main-nav-hover: #1f1f1f;
  --mobile-nav-background: rgba(95, 95, 95, 0.902);
}

/* ****************************************************************/
/* HEADER-IMG */
/* **************************************************************** */

.header-img-section {
  /* background-color: #212529; */
  background-image: linear-gradient(
    rgba(34, 34, 34, 0.6),
    rgba(34, 34, 34, 0.6)
  );
  background-size: cover;
  background-attachment: scroll;
  background-position: center center;

  position: relative;
}

.video {
  position: absolute;
  width: 100%;
  height: 50vh;
  top: 50%;
  left: 50%;
  /* min-width: 100%; */
  /* height: 50rem; */
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: -1;
}

.header-img {
  max-width: 120rem;
  height: 50vh;
}

.developer-link:link,
.developer-link:visited {
  text-decoration: none;
  font-size: 1.6rem;
  color: var(--main-heading-color);
  letter-spacing: 0.2rem;
  position: absolute;
  left: 3rem;
  top: 2rem;
}

.developer-link:hover,
.developer-link:active {
  color: var(--accent-color);
}

.main-heading {
  color: var(--main-heading-color);
  text-transform: uppercase;
  font-size: 3rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ****************************************************************/
/* HEADER */
/* **************************************************************** */
.header {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--navigation-color);
  /* border-bottom: 0.5px solid #333; */
  color: var(--navigation-link-color);
  height: 4.8rem;
  padding: 0 4.8rem;
  box-shadow: 0 20px 50px rgb(0, 0, 0, 0.2);
  transition: all 0.9s;
  position: relative;
}

.header-title {
  color: #333;
  font-size: 2.4rem;
}

.author:hover {
  color: var(--accent-color);
  transition: all 0.3s;
}

.clock {
  font-size: 1.6rem;
  position: absolute;
  color: #fff;
  left: 1.2rem;
  top: 3.4rem;
  letter-spacing: 1.5;
}

.developer-name {
  font-size: 1.6rem;
  position: absolute;
  color: #dedede;
  left: 1.2rem;
  top: 1.2rem;
  letter-spacing: 1.5;
  text-decoration: none;
}

.developer-name:hover {
  color: #fff;
}

/* STICKY HEADER */
.sticky .header {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 4.8rem;
  padding-top: 0;
  padding-bottom: 0;
  background-color: var(--);
  color: var(--theme-btn-background-color);
  z-index: 999;
  box-shadow: 0 1.2rem 3.2rem rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
}

.hidden-nav {
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
}

.hover {
  background-color: #ffffffeb;
}

.main-nav.nav-container.hover {
  background-color: var(--main-nav-hover);
  border-radius: 0 0 1rem 1rem;
  box-shadow: 0 1.2rem 3.2rem rgba(0, 0, 0, 0.1);
}

.sticky .hover {
  position: fixed;
  top: 4.85rem;
  left: 7.5rem;
  bottom: 0;
  width: 100%;
  height: 4.8rem;
  padding-top: 0;
  padding-bottom: 0;
  background-color: var(--);
  color: var(--theme-btn-background-color);
  z-index: 999;
  box-shadow: 0 1.2rem 3.2rem rgba(0, 0, 0, 0.3);
  /* transition: all 0.3s; */
}

.sticky .sticky-nav {
  margin-top: 4.8rem;
}

/* /////////////// */

.main-nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3.2rem;
}

.nav-link {
  color: var(--navigation-link-color);
}

/* /////// links-menu /////////// */
.mob-menu-close-btn {
  display: none;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 0.8em;
  left: 1.4rem;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 2rem;
  border: none;
  background-color: rgba(21, 21, 21, 0.6);
}

.close-svg {
  width: 2.4rem;
  height: 2.4rem;
  stroke: #e7f5ff;
  fill: #e7f5ff;
}

.menu-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  width: 80%;
  background-color: var(--nav-menu-grid);
  padding: 0.6rem 1.2rem;
  border-radius: 2rem;
}

.scroll-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  /* border-radius: 100rem; */
  width: 3.2rem;
  height: 3.2rem;
  cursor: pointer;
}

.scroll-btn svg {
  stroke: #2085ff;
}

.scroll-btn:hover {
  transform: scale(1.2);
}

.menu-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.menu-link {
  font-size: 1.4rem;
  text-decoration: none;
  color: #fff;
}

.menu-link:hover {
  color: #3990fa;
}

.menu-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
  /* background-color: var(--nav-menu-grid);
  padding: 1.2rem 3.2rem;
  border-radius: 2rem; */
  gap: 3.2rem;
  animation: fadeIn 0.2s ease forwards;
  transition: all 0.3s;
  /* overflow-x: auto; */
}

.menu-nav-container {
  width: 100%;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-behavior: smooth;
}

.menu-nav-container::-webkit-scrollbar {
  display: none; /* hide scrollbar (Chrome/Safari) */
}

.menu-nav-item:hover {
  color: rgba(104, 170, 250, 0.814);
}

.item-symbol {
  color: #ffffff58 !important;
  cursor: default !important;
}

.current {
  color: #3990fa !important;
}

.menu-nav-item {
  font-size: 2.2rem;
  color: #fff;
  background-color: transparent;
  border: none;
  cursor: pointer;
}

.link-menu-overlay {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  height: 100vh;
  width: 100%;
  background-color: var(--nav-menu-overlay);
  z-index: 9999;
  position: fixed;
  overflow: hidden;
}

.menu-overlay-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr 1fr;
  border-radius: 1rem;
  justify-content: center;
  align-items: center;
  gap: 3.4rem;
  background-color: var(--nav-menu-grid);
  padding: 2rem 2rem;
  width: 115rem;
  height: 70rem;
  overflow-y: scroll;
  overflow-x: scroll;
  animation: menuOpen 0.3s ease forwards;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-behavior: smooth;
  /* animation: slideIn 0.3s ease forwards; */
}
.menu-grid::-webkit-scrollbar {
  display: none; /* hide scrollbar (Chrome/Safari) */
}

.menu-item {
  animation: menuOpen 0.3s ease forwards;
  text-align: center;
  line-height: 1.3;
}

/* Keyframes for overlay */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-1rem);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes menuOpen {
  0% {
    transform: scale(0.96) translateY(-6px);
    opacity: 0;
  }
  60% {
    transform: scale(1.02) translateY(0);
    opacity: 1;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.link-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background-color: transparent;
  cursor: pointer;
}

.link-menu-btn img {
  width: 2.4rem;
  height: 2.4rem;
}

.nav-link:link,
.nav-link:visited {
  display: inline-block;
  color: var(--navigation-link-color);
  font-size: 1.8rem;
  text-decoration: none;
  font-weight: 500;
  padding: 1.5rem 0.8rem;
  border: none;
  /* border-radius: 9rem; */
  text-align: center;
  transition: all 0.3s;
}

.nav-link:hover,
.nav-link:active {
  color: var(--navigation-link-color);
  background-color: var(--nav-link-hover);
  /* padding: ; */
  /* box-shadow: inset 0 0 0 1px var(--nav-link-hover); */
}

/* THEME BUTTON */
.btn-theme {
  border: none;
  padding: 0.8em 2em;
  background-color: var(--footer-color);
  color: white;
  border-radius: 0.4rem;
  font: inherit;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
}

#theme-switch {
  height: 4rem;
  width: 4rem;
  padding: 0;
  border-radius: 40%;
  background-color: var(--theme-btn-background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  /* position: fixed; */
  /* top: 20px; */
  /* right: 20px; */
}

#theme-switch svg {
  fill: var(--theme-btn-button-color);
}
#theme-switch svg:hover {
  fill: var(--theme-btn-hover);
}
#theme-switch svg:last-child {
  display: none;
}
.darkmode #theme-switch svg:first-child {
  display: none;
}
.darkmode #theme-switch svg:last-child {
  display: block;
}

/* MOBILE NAVIGATION */

.btn-mobile-nav {
  border: none;
  background: none;
  cursor: pointer;

  display: none;
}

.icon-mobile-nav {
  height: 4.8rem;
  width: 4.8rem;
  color: var(--icon-mobile-navigation);
}

.icon-mobile-nav[name="close-outline"] {
  display: none;
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  background-color: var(--mobile-nav-background);
  height: 100%;
  width: 100%;
  z-index: 9999999;
}
.mobile-nav-overlay.nav-open {
  display: flex;
  justify-content: center;
}

/* ****************************************************************/
/* FOOTER */
/* **************************************************************** */

.footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.6rem;
  /* border-top: 1px solid rgba(210, 212, 215, 0.13); */
  padding: 2.4rem 0;
  background-color: var(--footer-color);
  margin-top: 7rem;
  box-shadow: 0 1.2rem 3.2rem rgba(0, 0, 0, 0.3);
}