* {
  box-sizing: border-box;
}

/* width */
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 1px rgba(0, 0, 0, 0.455);
}

/* Handle */
::-webkit-scrollbar-thumb {
  background: var(--bright_green);
  border-radius: 10px;
}

::-moz-selection {
  color: var(--text);
  background: #6ee7b7;
  -webkit-filter: invert(100%);
  filter: invert(100%);
}

::selection {
  color: var(--text);
  background: #6ee7b7;
  -webkit-filter: invert(100%);
  filter: invert(100%);
}

.light {
  --bg: rgb(248, 249, 250);
  --box-shadow: 200px 0px 53px 26px rgba(248, 249, 250, 0.76);
  --box-color: #ffffff;
  --border: #f1f3f5;
  --text: black;
  --green: #3fcf8e;
  --bright_green: #3fcf8e;
  --footer_border: #e8eaec;
}

.dark {
  --bg: rgb(28, 28, 28);
  --box-shadow: 200px 0px 53px 26px rgba(28, 28, 28, 0.76);
  --box-color: #232323;
  --border: #f1f3f5;
  --text: white;
  --green: #3fcf8e;
  --bright_green: #3fcf8e;
  --footer_border: #252525;
}

body {
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  transition: background 500ms ease-in-out, color 1000ms ease-in-out;
  font-weight: 700;
}

nav {
  height: 65px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
}

nav .links button,
nav .links a {
  font-size: 14px;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  padding-left: 0.825rem;
  padding-right: 0.825rem;
  background-color: var(--green);
  border-radius: 0.25rem;
  color: var(--bg);
  border: none;
  text-decoration: none;
}

.header {
  display: flex;
  text-align: center;
  align-items: center;
  padding-top: 3.6rem;
  padding-bottom: 3.6rem;
  word-break: break-word;
}

.header h1 {
  font-size: 68px;
  font-weight: 400;
}

.header_grid {
  width: 100%;
  position: relative;
  display: grid;
  grid-template-columns: 25% 25% 25% 25%;
  gap: 0.5rem;
  overflow: hidden;
}

.header_grid_item img {
  height: 70px;
  opacity: 50%;
}

.brightgreen {
  color: var(--bright_green);
}

.header_text {
  box-shadow: var(--box-shadow);
  line-height: 1.8;
  text-align: left;
  position: absolute;
  background-color: var(--bg);
  overflow: hidden;
}

.projects,
.skills,
.header,
footer,
nav,
.contact_form {
  padding-left: 5rem;
  padding-right: 5rem;
}

.project_grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.project_grid_item {
  padding: 20px;
  width: 100%;
  background-color: var(--box-color);
  font-size: 16px;
}

.project_grid_item button {
  font-size: 14px;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  padding-left: 0.825rem;
  padding-right: 0.825rem;
  background-color: var(--green);
  border-radius: 0.25rem;
  color: black;
  border: none;
}

.project_grid_item h3 {
  font-weight: 700;
}
.project_grid_item p {
  display: block;
  word-wrap: break-word;
  font-weight: 400;
  text-transform: capitalize;
}

.skills_flex {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  justify-content: center;
  justify-items: center;
  align-content: center;
  gap: 0.2rem;
}

.skill_flex_item img {
  height: 100px;
}

footer {
  margin-top: 1rem;
  border-top: 2px solid var(--footer_border);
  display: flex;
  flex-direction: column;
}

.footer_flex {
  display: flex;
}

.social,
.link_one,
.link_two {
  width: 33.33%;
}

.link_one,
.link_two {
  display: flex;
  flex-direction: column;
}

.link_one a,
.link_two a {
  font-weight: 400;
  text-transform: capitalize;
  line-height: 1.5;
}

.copywrite {
  display: flex;
  justify-content: space-between;
  padding-top: 2em;
  padding-bottom: 2em;
  margin-top: 0.5rem;
}

.social_links {
  display: flex;
  flex-direction: row;
  gap: 15px;
}

.social_links a {
  background-color: transparent;
  border: none;
  font-size: 24px;
  color: var(--text);
}

.underline {
  text-decoration: underline;
  text-decoration-color: var(--bright_green);
}

.form_flex {
  display: flex;
  width: 100%;
  gap: 0.8rem;
}

#alert {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  display: none;
}

form {
  display: flex;
  flex-direction: column;
  align-self: flex-start;
  flex-basis: auto;
  gap: 0.6rem;
}

.form_btn {
  width: 100%;
}

.form_btn button {
  padding-left: 5rem;
  padding-right: 5rem;
  color: var(--text);
}

.form_flex .form_item {
  width: 50%;
}

form textarea {
  resize: none;
}

form input,
form textarea,
form button {
  padding: 0.8rem;
  background-color: var(--box-color);
  color: var(--text);
  border: none;
  font-weight: 700;
  font-size: 0.8rem;
}

.form_item input,
textarea {
  width: 100%;
}

.form_flex .form_item input {
  width: 100%;
}

@media screen and (max-width: 1250px) {
  .skills_flex {
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  }
  .projects,
  .skills,
  .header,
  footer,
  nav,
  .contact_form {
    padding-left: 4rem;
    padding-right: 4rem;
  }
  .project_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 1rem;
  }
}

@media screen and (max-width: 800px) {
  .projects,
  .skills,
  .header,
  footer,
  nav,
  .contact_form {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .skill_flex_item img {
    height: 80px;
  }
}

@media screen and (max-width: 675px) {
  .projects,
  .skills,
  .header,
  footer,
  nav,
  .contact_form {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .skill_flex_item img {
    height: 80px;
  }
  .footer_flex {
    display: flex;
    flex-direction: column;
  }

  .social,
  .link_one,
  .link_two {
    width: 100%;
  }
  .skills_flex {
    grid-template-columns: 1fr 1fr;
  }
  .project_grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: 1rem;
  }
}

@media screen and (max-width: 395px) {
  .header h1 {
    font-size: 54px;
    font-weight: 400;
  }
  .projects,
  .skills,
  .header,
  footer,
  nav,
  .contact_form {
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  body {
    overflow-x: hidden;
  }
  .project_grid_item {
    padding: 10px;
    width: 100%;
    background-color: var(--box-color);
    font-size: 16px;
  }
  .form_flex {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.8rem;
  }
  .form_flex .form_item {
    width: 100%;
  }
  .form_btn button {
    padding-left: 3rem;
    padding-right: 3rem;
    color: var(--text);
  }
}