/* Variables */
:root {
  --font-color: #464646;
  --background-gray: #f5f5f5;
  --background-blue: #eaf2fd;
  --blue: #2a7ae4;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: #f5f5f5;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

h2 {
  font-size: 2rem;
  margin: 0;
}

p {
  margin: 0;
}

a,
h1,
h2,
h3,
h4,
h5,
p {
  color: var(--font-color);
}

section,
header {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  height: 75px;
}

.logo-container a {
  display: inline-block;
  vertical-align: middle;
  font-weight: bold;
}

.logo {
  width: 35px;
  height: 35px;
  vertical-align: middle;
  margin-right: 0.8rem;
}

.header-menu a{
  display: inline-block;
  transition: scale .3s;
}

.header-menu a:hover{
  scale: 1.1;
}

.header-menu nav,
.header-menu .header-mail {
  display: inline-block;
}

.header-mail {
  margin-left: 20px;
  font-weight: bold;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
}

/* Presentation */
.presentation {
  padding: 2rem 0;
  display: flex;
  align-items: center;
}

.presentation-title {
  margin-bottom: 2rem;
  font-size: 3rem;
}

.presentation-description {
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

.presentation-links {
  width: 75%;
  display: flex;
  gap: 60px;
  list-style: none;
  font-size: 1.25rem;
  padding-left: 0;
}

.presentation-link a{
  display: inline-block;
  transition: scale .3s;
}

.presentation-link a:hover{
  scale: 1.1;
}

.presentation-link-icon {
  margin-left: 0.25rem;
  width: 1.1rem;
  height: 1.1rem;
  vertical-align: middle;
}

.presentation-img {
  flex-shrink: 0;
  width: 350px;
  height: 350px;
  background-color: aquamarine;
  border-radius: 50%;
}

.presentation-img img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

/* About */
.about {
  background-color: #eaf2fd;
  width: 100%;
  max-width: unset;
}

.about-content {
  box-sizing: border-box;
  padding: 5rem 0;
  padding-right: 300px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-group {
  width: 70%;
}

.about-title {
  margin-bottom: 1.2rem;
}
.about-paragraph {
  margin-bottom: 1rem;
}
.about-sign {
  width: 200px;
  height: 80px;
  display: block;
  background-color: brown;
}

/* Skills */
.skills {
  padding-top: 2.5rem;
  text-align: center;
}

/* Hobbies */
.hobbies {
  padding-top: 5rem;
  text-align: center;
}

/* Attribute */
.attributes-list {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.attribute {
  background-color: white;
  width: 15%;
  height: 175px;
  box-sizing: border-box;
  padding: 10px;

  display: flex;
  gap: 0.5rem;
  flex-direction: column;
  justify-content: flex-end;
}

.attribute-image {
  width: 40px;
  height: 40px;
}

.attribute-title {
  font-size: 1rem;
  margin: 0;
  text-align: start;
}

/* Formation */
.formation {
  margin-top: 5rem;
  background-color: #eaf2fd;
  width: 100%;
  max-width: unset;
}

.formation-content {
  padding: 5rem 0;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.formation-title {
  margin-bottom: 2.5rem;
}

.formation-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.formation-item {
  width: 30%;
  text-align: start;
}

.formation-image-container {
  width: 100%;
  height: 200px;
  background-color: white;
  margin-bottom: 0.5rem;

  display: flex;
  align-items: center;
  justify-content: center;
}

.formation-image {
  width: 50%;
  height: 50%;
}

.formation-specialization,
.formation-date {
  line-height: 2rem;
}

.formation-specialization {
  font-weight: bold;
  font-size: 1.5rem;
}

.formation-date {
  font-size: 1rem;
}

/* Projects */
.projects {
  padding-top: 5rem;
}

.projects-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.project {
  display: flex;
  align-items: center;
  margin-top: 3rem;
}

.project:first-of-type {
  margin: 0;
}

.project:nth-of-type(even) {
  flex-direction: row-reverse;
}

.project-image-container {
  outline: #d3d3d3 solid 1px;
  box-shadow: 0px 5px 20px 2px rgba(179, 179, 179, 1);
  aspect-ratio: 16/9;
  min-width: 800px;
  flex: 7;
}

.project-image {
  display: block;
  background-color: brown;
  height: 100%;
  width: 100%;
}

.project-info-container {
  flex: 3;
  padding: 0 2rem;
}

.project-title {
  font-size: 1.5rem;
  margin: 0;
}

.project-description {
  margin: 0.5rem 0;
}

.project-button {
  border: none;
  cursor: pointer;
  display: inline-block;
  font-size: 1.15rem;
  border: 1px solid var(--blue);
  margin-right: 2rem;
  padding: 1rem 1rem;
  transition: background 0.3s, color 0.3s;
}

.project-button.button-repository {
  color: var(--blue);
}

.project-button.button-repository:hover {
  background-color: var(--blue);
  color: white;
}

.project-button.button-demo {
  background-color: var(--blue);
  color: white;
}

.project-button.button-demo:hover:not([disabled]) {
  background-color: white;
  color: var(--blue);
}

/* Contact */
.contact {
  margin-top: 5rem;
  background-color: #eaf2fd;
  width: 100%;
  max-width: unset;
}

.contact-content {
  padding: 5rem 0;
  max-width: 1200px;
  margin: 0 auto;

  display: flex;
  gap: 2.5rem;
}

.contact-col-image {
  flex: 5;
}

.contact-col-image img {
  background-color: brown;
  display: block;
  width: 100%;
  height: 100%;
}

.contact-col-form {
  flex: 6;
}

.contact-title {
  margin-bottom: 0.5rem;
}

.contact-col-form > p {
  line-height: 1.5rem;
  margin-bottom: 2.5rem;
}

/* Contact Form */
.contact-form .input-group {
  margin-bottom: 2rem;
  position: relative;
}

.input-group label {
  top: 0;
  position: absolute;
  color: gray;
  padding: 1rem 0.5rem;
  cursor: text;
  transition: font-size 0.3s, padding 0.3s;
  user-select: none;
}

.contact-form .input-form::placeholder {
  visibility: hidden;
  color: #00000000;
}

.contact-form .input-form {
  display: block;
  width: 100%;
  border: none;
  border-bottom: gray 3px solid;
  padding: 1.3rem 0.5rem 0.7rem;
  font-size: 1rem;
  border-radius: 5px;
  box-sizing: border-box;
}

.contact-form textarea {
  resize: none;
}

.input-group .input-form:focus + label,
.input-group .input-form:not(:placeholder-shown) + label {
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
}

.contact-form .input-form:focus-visible {
  outline: none;
  border-bottom: var(--blue) solid 3px;
}

.contact-form .input-form:focus-visible + label {
  color: var(--blue);
}

.invalid-input-message {
  color: red;
  display: none;
  position: absolute;
  bottom: -1.3rem;
}

.contact-form .invalid-input-group .input-form {
  border-bottom: red solid 3px;
}

.contact-form .invalid-input-group .input-form + label {
  color: red;
}

.invalid-input-group .invalid-input-message {
  display: block;
}

.project-button.button-demo.button-form {
  transition: filter 0.3s;
}

.project-button.button-demo.button-form:disabled {
  filter: brightness(80%) contrast(90%);
  cursor: unset;
}

/* Footer */
footer {
  padding: 10px 0;
}

.footer-group {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  bottom: 0px;
  text-align: center;
  padding: 5px 0;
}

.footer-group .author-credits {
  display: inline-block;
  border-radius: 10px;
  padding: 4px;
  background-color: #e6e6e6;
  transition-property: background-color;
  transition-duration: 1s;
  margin-left: 5px;
}
.footer-group .author-credits:hover {
  background-color: #555;
  color: white;
}

.footer-group .author-credits img {
  vertical-align: text-bottom;
}

.footer-group .author-credits:hover a {
  color: white;
}

.footer-group .author-credits:hover img {
  filter: invert(100%) sepia(1%) saturate(439%) hue-rotate(235deg)
    brightness(120%) contrast(100%);
}

/* Tablet View */
@media (max-width: 768px) {
  html {
    font-size: 12px;
  }

  header {
    max-width: 700px;
  }

  .header-menu nav {
    display: none;
  }

  /* Presentation */
  .presentation {
    max-width: 700px;
  }

  .presentation-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .presentation-img {
    width: 150px;
    height: 150px;
  }

  /* About */

  .about-content {
    max-width: 700px;
    padding-right: unset;
  }

  /* Skills */
  .skills {
    max-width: 700px;
  }

  /* Hobbies */
  .hobbies {
    max-width: 700px;
  }

  .attribute {
    width: 30%;
  }

  .attribute:nth-of-type(-n + 3) {
    margin-bottom: 2.5rem;
  }

  /* Formation */
  .formation-content {
    max-width: 700px;
  }

  .formation-image-container {
    height: 150px;
  }

  /* Projects */
  .projects {
    max-width: 700px;
  }

  .project,
  .project:first-of-type {
    display: block;
    width: 90%;
    margin: 2rem auto 0;
  }

  .project-image-container {
    height: unset;
    box-shadow: none;
    width: 100%;
    aspect-ratio: 16/8;
    min-width: unset;
  }

  .project-info-container {
    padding: 0;
    margin-top: 0.5rem;
  }

  /* Contact */
  .contact-content {
    max-width: 700px;
  }

  .contact-col-image {
    display: none;
  }

  input {
    padding: 0;
  }

  /* Footer */
  footer .author-credits img {
    width: 1.3rem;
    height: 1.3rem;
  }

  footer .author-credits a {
    font-size: 1rem;
  }
}

/* Phone View */

@media (max-width: 360px) {
  header {
    padding: 0;
    max-width: 340px;
  }

  /* Presentation */

  .presentation {
    flex-direction: column-reverse;
    align-items: start;
    max-width: 340px;
  }

  .presentation-img {
    width: 100px;
    height: 100px;
  }

  .presentation-title {
    font-size: 1.9rem;
  }

  .presentation-description {
    font-size: 1.2rem;
  }

  .presentation-links {
    width: 100%;
    font-size: 1rem;
  }

  /* About */

  .about-content {
    max-width: 340px;
    padding: 2.5rem 0;
  }

  /* Skills */
  .skills {
    max-width: 340px;
  }

  /* Hobbies */
  .hobbies {
    max-width: 340px;
    padding-top: 3rem;
  }

  .attribute {
    width: 48%;
    height: 100px;
  }

  .attribute:nth-of-type(-n + 4) {
    margin-bottom: 2.5rem;
  }

  .attribute-title {
    font-size: 1.1rem;
  }

  /* Formation */
  .formation-content {
    max-width: 300px;
    padding: 2.5rem 0 2rem;
  }

  .formation-item {
    width: 100%;
    margin-bottom: 1rem;
  }

  /* Contact */
  .contact {
    margin-top: 2.5rem;
  }

  .contact-content {
    max-width: 340px;
    padding: 2.5rem 0;
  }
}