:root {
  /* Black / Dark */
  --clr-black-200: hsl(230, 20%, 25%);
  --clr-black-300: hsl(230, 20%, 18%);
  --clr-black-400: hsl(230, 8%, 12%);
  --clr-black-500: hsl(230, 8%, 8%);
  --clr-black-600: hsl(230, 20%, 4%);

  /* Purple */
  --clr-purple-200: hsl(262, 80%, 75%);
  --clr-purple-300: hsl(262, 80%, 65%);
  --clr-purple-400: hsl(262, 80%, 55%);
  --clr-purple-500: hsl(262, 80%, 42%);
  --clr-purple-600: hsl(262, 80%, 30%);

  /* Amber */
  --clr-amber-200: hsl(38, 95%, 75%);
  --clr-amber-300: hsl(38, 95%, 65%);
  --clr-amber-400: hsl(38, 95%, 55%);
  --clr-amber-500: hsl(38, 95%, 42%);
  --clr-amber-600: hsl(38, 95%, 30%);

  /* Green */
  --clr-green-200: hsl(142, 70%, 60%);
  --clr-green-300: hsl(142, 70%, 48%);
  --clr-green-400: hsl(142, 70%, 38%);
  --clr-green-500: hsl(142, 70%, 28%);
  --clr-green-600: hsl(142, 70%, 18%);

  /* White / Light */
  --clr-white-400: hsl(215, 30%, 95%);
  --clr-white-500: hsl(215, 20%, 85%);
  --clr-white-600: hsl(215, 15%, 70%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Nunito", sans-serif;
  background-color: var(--clr-black-600);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Orbitron", sans-serif;
}
.btn {
  text-decoration: none;
  font-weight: 600;
}
img {
  width: 100%;
  display: block;
}
/* Nav */
header {
  background-color: var(--clr-black-500);
  font-family: "Orbitron", sans-serif;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}
.nav-logo {
  color: var(--clr-white-400);
  cursor: pointer;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--clr-white-400);
  margin: 5px 0;
  transition: all 0.9s ease;
}

.nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 1rem 0;
  background-color: var(--clr-black-500);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.9s ease;
}

.nav-links.open {
  opacity: 1;
  pointer-events: all;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(12px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-12px) rotate(-45deg);
}
.nav-links li a {
  display: block;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  color: var(--clr-white-400);
}
/*=== Sections ===*/
#hero,
#about,
#projects,
#skills,
#contact {
  padding: 4rem 1.5rem;
  color: var(--clr-white-400);
}
main section:nth-child(even) {
  background: radial-gradient(
    ellipse at center,
    var(--clr-black-400) 0%,
    var(--clr-black-500) 70%
  );
}

main section:nth-child(odd) {
  background: radial-gradient(
    ellipse at center,
    var(--clr-black-300) 0%,
    var(--clr-black-400) 70%
  );
}
/* Hero Section */
#hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;

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

  height: 30rem;
}
#hero::after {
  content: "";
  position: absolute;
  inset: -10%;
  background-image: url("./images/hero.jpg");
  background-size: cover;
  background-position: center;
  z-index: 1;
  animation: heroZoom 30s ease-in-out infinite;
}
#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.hero-content h1 {
  color: var(--clr-white-400);
}
.hero-content p {
  color: var(--clr-purple-300);
}
/* About Section */
.about-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-photo {
  max-width: 250px;
  margin-right: 0;
  margin-bottom: 1.5rem;
  align-self: center;
  justify-self: center;
  border-radius: 24px;
  overflow: hidden;
}

.about-text {
  border-left: none;
  border-top: 2px solid transparent;
  border-image: linear-gradient(
      to right,
      var(--clr-amber-600),
      var(--clr-amber-200),
      var(--clr-amber-600)
    )
    1;
  padding-inline: 1.5rem;
  padding-top: 1.5rem;
}
.about-text h2 {
  color: var(--clr-white-600);
  align-self: center;
  justify-self: center;
  border-bottom: 1px solid var(--clr-white-600);
  padding-bottom: 0.1rem;
}
.about-text h2 span {
  letter-spacing: 0.4rem;
  margin-right: -0.4rem;
  text-decoration: none;
  padding-bottom: 2px;
  display: inline-block;
}
.about-text p {
  padding-top: 1rem;
  text-indent: 5%;
}
.about-cv {
  display: flex;

  justify-content: center;
  padding-top: 1rem;
  font-size: 1.5rem;
}
.cv-preview span {
  cursor: pointer;
  color: var(--clr-purple-200);
  text-decoration: underline;
  align-self: center;
}
.cv-preview span:hover {
  color: var(--clr-purple-300);
}
/* Projects Section */
#projects h2 {
  color: var(--clr-purple-300);
  text-align: center;
  margin-bottom: 2rem;
}

.projects-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-card {
  border: 1px solid var(--clr-purple-600);
  border-radius: 12px;
  padding: 1.5rem;
  background-color: var(--clr-black-500);
}

.project-card h3 {
  color: var(--clr-white-400);
  margin-bottom: 0.75rem;
}
.project-image {
  border: 2px solid var(--clr-amber-600);
  border-radius: 4px;
  margin-bottom: 1rem;
  overflow: hidden;
  cursor: pointer;
}
.modal-image-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90vw;
  background-color: var(--clr-black-500);
  border-radius: 12px;
  padding: 1px;
}

.modal-image-content img {
  border-radius: 8px;
  min-height: 40vh;
}

.project-description {
  color: var(--clr-white-500);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-links a {
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

/* Skills */
#skills h2 {
  color: var(--clr-purple-300);
  text-align: center;
  margin-bottom: 2rem;
}

.skills-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
  align-self: center;
  justify-self: center;
  margin: 2rempx;
}
.skill-group {
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(
      to right,
      var(--clr-amber-600),
      var(--clr-amber-200)
    )
    1;
  padding-bottom: 1rem;
}

.skill-group h3 {
  color: var(--clr-white-500);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--clr-purple-600);
  color: var(--clr-purple-300);
  font-size: 0.8rem;
  background-color: transparent;
}
/* Contact */
#contact h2 {
  color: var(--clr-purple-300);
  text-align: center;
  margin-bottom: 0.5rem;
}

.contact-subtitle {
  color: var(--clr-white-600);
  text-align: center;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  color: var(--clr-white-500);
  font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
  background-color: var(--clr-black-500);
  border: 1px solid var(--clr-purple-600);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--clr-white-400);
  font-size: 0.9rem;
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-purple-400);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-white-600);
}

.contact-submit {
  align-self: center;
  padding: 0.75rem 2rem;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  border-radius: 8px;
}

@keyframes heroZoom {
  0% {
    transform: scale(1) translate(0, 0);
  }
  25% {
    transform: scale(1.1) translate(-2%, -1%);
  }
  50% {
    transform: scale(1.15) translate(2%, 1%);
  }
  75% {
    transform: scale(1.1) translate(-1%, 2%);
  }
  100% {
    transform: scale(1) translate(0, 0);
  }
}
/* Hero Button */

.hero-btns {
  margin-top: 0.5rem;
  display: flex;
  width: 100%;
  gap: 2.5rem;
  justify-content: center;
}
.hero-btns a {
  padding: 5px 10px;
  border-radius: 12px;
  min-width: 100px;
  text-align: center;
}
.btn-primary,
.btn-secondary:hover {
  color: var(--clr-purple-400);
  background-color: var(--clr-white-400);
  border: 1px solid white;
}

.btn-secondary,
.btn-primary:hover {
  background: none;
  color: var(--clr-white-400);
  border: 1px solid var(--clr-purple-400);
}

/* CV Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.modal.open {
  display: block;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--clr-black-400);
  border: 1px solid var(--clr-purple-600);
  border-radius: 12px;
  padding: 2rem;
  width: 90%;
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
  scrollbar-width: none;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--clr-white-400);
  font-size: 1.5rem;
  cursor: pointer;
}

/* CV Content */
.cv-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--clr-purple-600);
}

.cv-header h1 {
  color: var(--clr-white-400);
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.cv-title {
  color: var(--clr-purple-300);
  margin-bottom: 0.5rem;
}

.cv-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  color: var(--clr-white-600);
  font-size: 0.85rem;
}

.cv-contact a {
  color: var(--clr-purple-300);
  text-decoration: none;
}

.cv-section {
  margin-bottom: 2rem;
}

.cv-section h2 {
  color: var(--clr-purple-300);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--clr-purple-600);
}

.cv-skill-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--clr-white-500);
}

.cv-skill-label {
  color: var(--clr-purple-300);
  min-width: 90px;
}

.cv-project {
  margin-bottom: 1.5rem;
}

.cv-project-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.cv-project-header h3 {
  color: var(--clr-white-400);
  font-size: 0.95rem;
}

.cv-date {
  color: var(--clr-white-600);
  font-size: 0.8rem;
  white-space: nowrap;
}

.cv-stack {
  color: var(--clr-purple-300);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.cv-project ul {
  padding-left: 1.2rem;
  color: var(--clr-white-500);
  font-size: 0.875rem;
  line-height: 1.6;
}

.cv-project ul li {
  margin-bottom: 0.3rem;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--clr-purple-500);
  color: var(--clr-white-400);
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 999;
  box-shadow: 0px 0px 10px var(--clr-amber-600);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

/* Footer */
footer {
  background-color: var(--clr-black-600);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-text {
  color: var(--clr-white-600);
  font-size: 0.85rem;
}

.footer-icons {
  display: flex;
  gap: 1.5rem;
}

.footer-icons a {
  width: 24px;
  height: 24px;
  opacity: 0.6;

  transition: opacity 0.3s ease;
}
.footer-icons a i {
  color: var(--clr-green-200);
  transition: color 0.3s ease;
}

.footer-icons a:hover i {
  color: var(--clr-green-500);
}

.footer-icons a:hover {
  opacity: 1;
}

.footer-icons img {
  width: 100%;
  height: 100%;
}

/* Utility */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1s ease,
    transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Desktop */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    width: auto;
    padding: 0;
    gap: 2rem;
    background-color: transparent;
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }

  .about-container {
    flex-direction: row;
    align-items: center;
  }

  .about-photo {
    max-width: 400px;
    margin-right: 1.25rem;
    margin-bottom: 0;
    max-width: 300px;
  }

  .about-text {
    border-top: none;
    border-left: 2px solid transparent;
    border-image: linear-gradient(
        to bottom,
        var(--clr-amber-600),
        var(--clr-amber-200),
        var(--clr-amber-600)
      )
      1;
    padding-left: 1.25rem;
    padding-top: 0;
  }
  .about-text p {
    text-indent: 0%;
  }
  .projects-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}