:root {
  --clr-primary-300: hsl(153, 71%, 59%);
  --clr-neutral-900: hsl(0, 0%, 8%);
  --clr-neutral-100: hsl(0, 0%, 100%);
  --clr-accent-900: hsl(0, 0%, 14%);
  --clr-accent-300: hsl(0, 0%, 85%);

  --ff-primary: "Space Grotesk", sans-serif;
  --ff-body: var(--ff-primary);
  --ff-heading: serif;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semiBold: 600;
  --fw-bold: 700;

  --fs-100: 0.5rem;
  --fs-200: 0.5rem;
  --fs-300: 0.75rem;
  --fs-400: 1rem;
  --fs-500: 1.5rem;
  --fs-600: 2rem;
  --fs-700: 2.5rem;
  --fs-800: 3rem;
  --fs-900: 4rem;

  --fs-body: var(--fs-400);
  --fs-nav: var(--fs-400);
  --fs-button: var(--fs-body);

  --fs-primary-heading: var(--fs-700);
  --fs-secondary-heading: var(--fs-600);
  --fs-tertiary-heading: var(--fs-500);

  --size-100: 0.25rem;
  --size-200: 0.5rem;
  --size-300: 0.75rem;
  --size-400: 1rem;
  --size-500: 1.5rem;
  --size-600: 2rem;
  --size-700: 3rem;
  --size-800: 4rem;
  --size-900: 5rem;
}
@media (min-width: 48rem) {
  :root {
    --fs-600: 4rem;
    --fs-700: 4.5rem;
    --fs-800: 6rem;
    --fs-900: 8rem;

    --fs-nav: var(--fs-300);
  }
}
@media (min-width: 48rem) {
  :root {
    --fs-700: 5.5rem;
  }
}

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  font: inherit;
}

/* Prevent font size inflation */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

/* Remove default margin in favour of better control in authored CSS */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin-block-end: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role="list"],
ol[role="list"] {
  list-style: none;
}

html,
body {
  height: 100%;
}

/* Set core body defaults */
body {
  line-height: 1.5;
}

/* Set shorter line heights on headings and interactive elements */
h1,
h2,
h3,
h4,
button,
input,
label {
  line-height: 1.1;
}

/* Balance text wrapping on headings */
h1,
h2,
h3,
h4 {
  text-wrap: balance;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
  color: currentColor;
}

/* Make images easier to work with */
img,
picture,
svg,
canvas {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
  min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
  scroll-margin-block: 5ex;
}

/* Utility Classes */

.clr__primary-300 {
  color: var(--clr-primary-300);
}

.clr__neutral-900 {
  color: var(--clr-neutral-900);
}

.clr__neutral-100 {
  color: var(--clr-neutral-100);
}

.clr__accent-900 {
  color: var(--clr-accent-900);
}

.clr__accent-300 {
  color: var(--clr-accent-300);
}

.bg__primary-300 {
  background-color: var(--clr-primary-300);
}

.bg__neutral-900 {
  background-color: var(--clr-neutral-900);
}

.bg__neutral-100 {
  background-color: var(--clr-neutral-100);
}

.bg__accent-900 {
  background-color: var(--clr-accent-900);
}

.bg__accent-300 {
  background-color: var(--clr-accent-300);
}

.fw-light {
  font-weight: 300;
}
.fw-regular {
  font-weight: 400;
}
.fw-medium {
  font-weight: 500;
}
.fw-semiBold {
  font-weight: 600;
}
.fw-bold {
  font-weight: 700;
}

.fs-primary-heading {
  font-size: var(--fs-primary-heading);
}
.fs-secondary-heading {
  font-size: var(--fs-secondary-heading);
}
.fs-tertiary-heading {
  font-size: var(--fs-tertiary-heading);
}

.fs-100 {
  font-size: var(--fs-100);
}

.fs-200 {
  font-size: var(--fs-200);
}

.fs-300 {
  font-size: var(--fs-300);
}

.fs-400 {
  font-size: var(--fs-400);
}

.fs-500 {
  font-size: var(--fs-500);
}

.fs-600 {
  font-size: var(--fs-600);
}

.fs-700 {
  font-size: var(--fs-700);
}

.fs-800 {
  font-size: var(--fs-800);
}

.fs-900 {
  font-size: var(--fs-900);
}

/* container */

.container {
  --max-width: 1110px;
  --padding: 1rem;

  width: min(var(--max-width), 100% - (var(--padding) * 2));
  margin-inline: auto;
}

/* general styling */

html {
  scroll-behavior: smooth;
}

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

::-webkit-scrollbar-thumb {
  background-color: var(--clr-accent-900);
}
::-webkit-scrollbar-track {
  background-color: var(--clr-neutral-100);
}

body {
  font-size: var(--fs-body);
  font-family: var(--ff-body);
  color: var(--clr-neutral-100);
  background-color: var(--clr-neutral-900);
  /* overflow-x: hidden; */
}

/* navigation */

.primary__header {
  position: relative;
  padding-block: var(--size-600);
  z-index: 999;
  /* background-color: red; */
  width: 100%;
}

.fixed-nav {
  position: fixed;
  z-index: 999;
  background-color: var(--clr-accent-900);
  width: 100%;
}

.nav__wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile__nav__toggle {
  display: none;
}

.nav__list {
  font-size: var(--fs-nav);
  display: flex;
  gap: clamp(var(--size-400), 5vw, var(--size-700));
  font-weight: var(--fw-semiBold);
}

.nav__list a {
  text-decoration: none;
  color: var(--clr-neutral-100);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: sans-serif;
}

@media (max-width: 48em) {
  .primary__header {
    padding-block: var(--size-400);
  }

  .mobile__nav__toggle {
    display: block;
    position: fixed;
    padding: 0.5em;
    top: var(--size-400);
    right: var(--size-400);
    background: transparent;
    border: none;
    cursor: pointer;
  }

  .mobile__nav__toggle .icon__close {
    display: none;
  }

  .primary__navigation {
    /* display: none; */

    position: fixed;
    /* padding-block: var(--size-700); */
    inset: 3.5rem 0 auto;
    max-width: 100%;
    margin-inline-start: auto;
    background: rgba(20, 20, 20, 0.8);
    border-radius: var(--size-100);
    transform: translateX(2000px);
    transition: 350ms ease-in-out;
  }

  .primary__navigation[data-visible] {
    /* display: block; */
    transform: translateX(0px);
  }

  .mobile__nav__toggle[aria-expanded="true"] .icon__hamburger {
    display: none;
  }

  .mobile__nav__toggle[aria-expanded="true"] .icon__close {
    display: block;
  }

  .nav__list {
    display: grid;
    gap: var(--size-100);
    text-align: center;
    font-weight: var(--fw-bold);
  }

  .nav__list li:first-child {
    border-block: 2px solid var(--clr-accent-900);
  }

  .nav__list li:not(:first-child) {
    border-block-end: 2px solid var(--clr-accent-900);
  }

  .nav__list a {
    color: var(--clr-accent-300);
    line-height: 3;
  }
}

.social__media {
  padding-block: 0.85rem;
}

@media (min-width: 48rem) {
  .social__media {
    padding-block: 0rem;
  }
}

.visually__hidden {
  position: absolute;
  /* color: white; */
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: none;
}

/* hero section */
.hero__section {
  position: relative;
}

.hero__text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vh;
  max-width: 100%;
}

.hero__text .hero__heading__primary h1 {
  font-size: var(--fs-600);
  padding-block-end: var(--size-600);
}

.hero__text h1 {
  text-align: center;
  overflow: hidden;
}

.hero__text h1 span {
  display: none;
}

.hero__text h1 span.text__in {
  display: block;
  animation: textIn 350ms ease;
}

@keyframes textIn {
  0% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(0%);
  }
}

/* Skills Section */

.infinity__slider {
  background-color: var(--clr-neutral-100);
  padding-block: var(--size-400);
  overflow: hidden;
  max-width: 100%;
}

.slide__track {
  display: flex;
  gap: var(--size-900);
  width: calc(900px * 18);
  animation: scroll 40s linear infinite;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-150px * 9));
  }
}

.slide__track .slide {
  max-width: 200px;
  display: flex;
  align-items: center;
  gap: var(--size-400);
}

.slide__track img {
  max-width: 30px;
  object-fit: contain;
}

.slide__track span {
  color: var(--clr-neutral-900);
  font-weight: var(--fw-bold);
  font-size: var(--fs-400);
}

/* portfolio section */

.portfolio__section {
  padding-block-start: var(--size-900);
  text-align: center;
  margin: auto;
}

.portfolio__section h2,
.contact__section h2,
.about__section h2 {
  text-transform: capitalize;
  line-height: 1.5;
}

.portfolio__section span,
.contact__section span,
.about__section span {
  /* text-transform: capitalize; */
  font-size: var(--fs-500);
}

@media (min-width: 60rem) {
  .portfolio__project {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: start;
  }
}

.portfolio__section .portfolio__details {
  padding-block-start: var(--size-700);
}

@media (min-width: 60rem) {
  .portfolio__section .portfolio__details {
    padding-block: var(--size-900);
  }
}

.portfolio__project {
  padding-block: var(--size-700);
}

.portfolio__project picture {
  width: 30rem;
  height: 42.5rem;
  overflow: hidden;
  margin: auto;
}

.portfolio__project picture img {
  width: 100%;
  height: auto;
  object-fit: cover;
  cursor: pointer;
  transition: transform 1s ease-in-out;
}

@media (min-width: 60rem) {
  .portfolio__project:nth-child(2) picture,
  .portfolio__project:nth-child(4) picture,
  .portfolio__project:nth-child(6) picture {
    grid-column: 2 / span1;
    grid-row: 1 / span1;
  }
}

.portfolio__project picture:hover img {
  transform: translateY(calc(-100% + 42.5rem));
}

.portfolio__section .portfolio__details h3 {
  line-height: 1.2;
}

.portfolio__section .portfolio__details p {
  padding-block: var(--size-400);
  font-size: var(--fs-400);
  line-height: 1.5;
}

.portfolio__section .portfolio__details p a {
  color: var(--clr-primary-300);
  font-weight: var(--fw-bold);
}

.project__skills {
  padding-block: var(--size-400);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--size-400);
}

.project__skills li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--size-400);
}

@media (min-width: 48rem) {
  .project__skills {
    flex-direction: row;
  }
  .project__skills li {
    flex-direction: row;
  }
}

@media (min-width: 60rem) {
  .project__skills {
    justify-content: start;
  }
}

.project__skills img {
  max-width: 24px;
  margin: auto;
}

.project__link {
  padding-block-start: var(--size-400);
  display: flex;
  flex-direction: column;
  gap: var(--size-400);
}

@media (min-width: 48rem) {
  .project__link {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 60rem) {
  .project__link {
    justify-content: start;
  }
}

.project__link a {
  text-decoration: none;
  background: var(--clr-primary-300);
  padding-block: 0.7rem;
  padding-inline: 2rem;
  text-transform: uppercase;
  border-radius: 2rem;
  font-weight: 500;
  letter-spacing: 0.1rem;
  font-size: 1rem;
  cursor: pointer;
}

.project__link a:not(:first-child) {
  background-color: var(--clr-neutral-100);
  color: var(--clr-neutral-900);
}

/* about section */

.about__section {
  padding-block-start: var(--size-900);
  text-align: center;
  margin: auto;
}

.about__section p {
  font-size: var(--fs-400);
  line-height: 1.8;
}

.about__section p:not(:first-child) {
  padding-block-start: var(--size-700);
}

.about__section p a {
  font-weight: var(--fw-bold);
  text-decoration: none;
  color: var(--clr-primary-300);
}

/* contact section */

.contact__section {
  padding-block: var(--size-900);
  text-align: center;
  margin: auto;
}

.contact__section p {
  max-width: 90vh;
  margin: auto;
  padding-block-start: var(--size-400);
}
/* @media (min-width: 60rem) {
  .contact__section .contact__forms {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-block: var(--size-700);
  } */

/* .contact__section .contact__details {
    text-align: start;
  }
  .contact__section p {
    margin: 0;
  }
} */

.contact__section ul {
  padding-block-start: var(--size-400);
}

.contact__section ul li {
  display: flex;
  flex-direction: column;
}

.contact__section ul li .contact__name {
  text-transform: uppercase;
  font-size: var(--fs-400);
  color: gray;
}

.contact__section ul li .contact__email a {
  color: var(--clr-primary-300);
  text-decoration: none;
}

/* .contact__section form {
  margin-block: var(--size-500);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  width: 500px;
}

@media (min-width: 60rem) {
  .contact__section form {
    margin-block: 0;
  }
}

.contact__section form .entryarea {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: start;
}

.contact__section form .entryarea label {
  position: absolute;
  margin-block-start: 1.5rem;
  padding-inline-start: 1rem;
  background-color: transparent;
  z-index: 1;
  transition: 0.2s ease;
}

.contact__section form input,
.contact__section form textarea {
  padding: 1rem;
  margin-block: 0.5rem;
  background: var(--clr-accent-900);
  border: none;
  outline: none;
  border-radius: 0.5rem;
}

.contact__section form input::placeholder {
  opacity: 0;
}

.contact__section form .entryarea input:focus,
.contact__section form .entryarea input:not(:placeholder-shown),
.contact__section form .entryarea textarea:focus,
.contact__section form .entryarea textarea:not(:placeholder-shown),
.contact__section form .error input:focus,
.contact__section form .error input:valid,
.contact__section form .error textarea:focus,
.contact__section form .error textarea:valid {
  color: var(--clr-neutral-100);
  border: 1px solid var(--clr-primary-300);
  background-color: transparent;
}

.contact__section form .entryarea input:focus + label,
.contact__section form .entryarea input:not(:placeholder-shown) + label,
.contact__section form .entryarea textarea:focus + label,
.contact__section form .entryarea textarea:not(:placeholder-shown) + label,
.contact__section form .error input:focus + label,
.contact__section form .error input:valid + label,
.contact__section form .error textarea:focus + label,
.contact__section form .error textarea:valid + label {
  padding-inline: 1rem;
  transform: translate(0px, -25px) scale(0.88);
  background-color: var(--clr-neutral-900);
  color: var(--clr-primary-300);
  font-size: 0.7rem;
}

.contact__section form .success input:focus,
.contact__section form .success input:not(:placeholder-shown),
.contact__section form .success textarea:focus,
.contact__section form .success textarea:not(:placeholder-shown) {
  color: var(--clr-neutral-100);
  border: 1px solid var(--clr-neutral-100);
}
.contact__section form .success input:focus + label,
.contact__section form .success input:not(:placeholder-shown) + label,
.contact__section form .success textarea:focus + label,
.contact__section form .success textarea:not(:placeholder-shown) + label {
  color: var(--clr-neutral-100);
}
.contact__section form .error input:focus,
.contact__section form .error input:valid,
.contact__section form .error textarea:focus,
.contact__section form .error textarea:valid {
  color: white;
  border: 1px solid red;
}
.contact__section form .error input:focus + label,
.contact__section form .error input:valid + label,
.contact__section form .error textarea:focus + label,
.contact__section form .error textarea:valid + label {
  color: red;
}

.contact__section input[type="submit"] {
  background-color: var(--clr-primary-300);
  color: var(--clr-neutral-100);
  font-size: var(--fs-400);
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  cursor: pointer;
}

input:-webkit-autofill {
  -webkit-text-fill-color: var(--clr-neutral-100) !important;
  -webkit-box-shadow: 0 0 0px 1000px var(--clr-neutral-900) inset !important; */
/* } */

/* footer */

footer {
  padding-block: var(--size-700);
  text-align: center;
  border-block-start: 1px solid var(--clr-accent-300);
}

/* Top Scroll Link */
.top__link {
  position: relative;
  font-size: 1.25rem;
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  background: var(--clr-neutral-100);
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  color: var(--clr-neutral-900);
  visibility: hidden;
  z-index: -100;
}

.top__link::before {
  content: "\21A5";
  position: absolute;
}
.show-link {
  visibility: visible;
  z-index: 100;
}