:root {
  --color-background: #010100;
  --color-surface: #11120c;
  --color-primary: #abc000;
  --color-text-light: #fafde6;
  --color-text-dark: #010100;
  --color-border: rgba(171, 192, 0, 0.4);

  --color-theatron: #ff0000;
  --color-nefer: #06664e;
  --color-casa-oro-real: #d79404;
  --color-tan-bonitos: #886f9d;

  --font-primary: "Space Mono", monospace;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --spacing-unit: 8px;
  --container-width: 1100px;
  --border-radius: 4px;

  --transition-fast: 0.2s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  background-color: var(--color-background);
  color: var(--color-text-light);
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  overflow-x: hidden;
}

.main-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 2);
  position: relative;
  z-index: 2;
  background-color: var(--color-background);
}

.section {
  padding: calc(var(--spacing-unit) * 10) 0;
}

.section > h2 {
  font-size: calc(1.5rem + 1vw);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 6);
  font-weight: 700;
}

.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-text-dark);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
  border: 2px solid var(--color-primary);
  transition: all var(--transition-fast);
}

.cta-button:hover {
  background-color: transparent;
  color: var(--color-primary);
  transform: translateY(-3px);
}

.cta-button-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  text-decoration: none;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 3);
  border: 1px solid var(--color-text-light);
  transition: all var(--transition-fast);
}

.cta-button-secondary:hover {
  background-color: var(--color-text-light);
  color: var(--color-background);
}

.nav {
  position: fixed;
  width: 100%;
  z-index: 1000;
  background: rgba(1, 1, 0, 0.93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-surface);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
}

.nav-logo {
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1.1rem;
}

.nav-links a {
  color: var(--color-text-light);
  text-decoration: none;
  margin: 0 calc(var(--spacing-unit) * 1.5);
  transition: color var(--transition-fast);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-right button {
  font-family: var(--font-primary);
  background: none;
  border: 1px solid var(--color-text-light);
  color: var(--color-text-light);
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-right button:hover {
  background-color: var(--color-text-light);
  color: var(--color-background);
}

.hamburger {
  display: none;
  position: fixed;
  top: 10px;
  right: 16px;
  z-index: 1020;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text-light);
  margin: 5px 0;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
.hero {
  position: relative;
  height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  z-index: 1;
}

.hero::before {
  content: "";
  position: absolute;
  width: 135vw;
  height: 130vw;
  top: -95vw;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-text-light);
  border-radius: 50%;
  z-index: -1;
}

#galaxy-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
}

.hero-content {
  padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 8);
}

.hero-content h1 {
  font-size: clamp(2.5rem, 8vw, 6rem);
  color: var(--color-primary);
  margin: 0;
  font-weight: 700;
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  color: var(--color-background);
  margin: calc(var(--spacing-unit) * 2) 0;
  font-weight: 700;
}

.hero-cta-text {
  margin-top: calc(var(--spacing-unit) * 12);
  font-size: 1.05rem;
  color: var(--color-background);
}

.hero-arrow {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--color-text-light);
  text-decoration: none;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translate(-50%, 0);
  }
  40% {
    transform: translate(-50%, -20px);
  }
  60% {
    transform: translate(-50%, -10px);
  }
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-background);
  z-index: 1005;

  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.35s cubic-bezier(0.4, 0, 0.2, 1);

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

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing-unit) * 4);
}

.mobile-menu-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 2.2rem;
  font-family: var(--font-primary);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

body.menu-open .mobile-menu-overlay {
  opacity: 1;
  visibility: visible;
}

body.menu-open .mobile-menu-links a {
  opacity: 1;
  transform: translateY(0);
}
body.menu-open .mobile-menu-links a:nth-child(1) {
  transition-delay: 0.15s;
}
body.menu-open .mobile-menu-links a:nth-child(2) {
  transition-delay: 0.2s;
}
body.menu-open .mobile-menu-links a:nth-child(3) {
  transition-delay: 0.25s;
}
body.menu-open .mobile-menu-links a:nth-child(4) {
  transition-delay: 0.3s;
}

.project-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
  margin-bottom: calc(var(--spacing-unit) * 12);
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 4);
}

.project-showcase.reverse {
  grid-template-areas: "details visual";
}
.project-showcase.reverse .project-visual {
  grid-area: visual;
}
.project-showcase.reverse .project-details {
  grid-area: details;
}

.project-video {
  width: 100%;
  height: auto;
  display: block;
}

.project-visual img {
  width: 100%;
  height: auto;
}

.project-details h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-unit);
}

.project-details p {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-unit);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.tag {
  background-color: transparent;
  border: 3px solid var(--color-text-light);
  color: var(--color-primary);
  padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 2);
  font-size: 0.8rem;
  font-weight: 700;
}

.dual-cta-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 8);
}

.cta-box {
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 5);
  border-radius: 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between; 
}

.cta-box h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.cta-box p {
  margin-bottom: calc(var(--spacing-unit) * 4);
  flex-grow: 1; 
}

@media (min-width: 768px) {
  .dual-cta-container {
    grid-template-columns: 1fr 1fr;
  }
}

.conceptual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.conceptual-card {
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 3);
  text-align: center;
}

.conceptual-card img {
  max-height: 300px;
  max-width: 100%;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.conceptual-card h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-unit);
}

.conceptual-card p {
  margin-bottom: calc(var(--spacing-unit) * 3);
  font-size: 0.9rem;
}

.project-tan-bonitos h3,
.project-tan-bonitos .tag {
  color: var(--color-tan-bonitos);
  border-color: var(--color-tan-bonitos);
}
.project-tan-bonitos .cta-button {
  background-color: var(--color-tan-bonitos);
  border-color: var(--color-tan-bonitos);
  color: var(--color-text-light);
}
.project-tan-bonitos .cta-button:hover {
  color: var(--color-tan-bonitos);
  background-color: transparent;
}

.project-casa-oro-real h3,
.project-casa-oro-real .tag {
  color: var(--color-casa-oro-real);
  border-color: var(--color-casa-oro-real);
}
.project-casa-oro-real .cta-button {
  background-color: var(--color-casa-oro-real);
  border-color: var(--color-casa-oro-real);
  color: var(--color-text-dark);
}
.project-casa-oro-real .cta-button:hover {
  color: var(--color-casa-oro-real);
  background-color: transparent;
}

.project-nefer h4 {
  color: var(--color-nefer);
}
.project-nefer .cta-button-secondary {
  border-color: var(--color-nefer);
  color: var(--color-nefer);
}
.project-nefer .cta-button-secondary:hover {
  background-color: var(--color-nefer);
  color: var(--color-text-light);
}

.project-theatron h4 {
  color: var(--color-theatron);
}
.project-theatron .cta-button-secondary {
  border-color: var(--color-theatron);
  color: var(--color-theatron);
}
.project-theatron .cta-button-secondary:hover {
  background-color: var(--color-theatron);
  color: var(--color-text-light);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
  text-align: left;
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 5);
}

.skill-category h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.skill-category ul {
  list-style: none;
}
.skill-category li {
  margin-bottom: var(--spacing-unit);
  position: relative;
  padding-left: calc(var(--spacing-unit) * 3);
}
.skill-category li::before {
  content: "■";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8em;
}

.ux-cta-container {
  background-color: var(--color-surface);
  text-align: center;
  padding: calc(var(--spacing-unit) * 5);
  margin-top: calc(var(--spacing-unit) * 8);
}

.ux-cta-container p {
  max-width: 800px;
  margin: 0 auto calc(var(--spacing-unit) * 3) auto;
}

#creative .creative-grid,
#creative .creative-summary {
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 4);
}

.creative-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: 0;
}
.creative-summary {
  padding-top: 0;
}

.creative-art-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: var(--spacing-unit);
}

.creative-art-gallery img,
.creative-game-showcase video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.creative-summary {
  max-width: none;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  font-style: italic;
}

#about .about-content {
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 5);
}

.about-content p {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.8;
}

.contact-form {
  display: grid;
  gap: calc(var(--spacing-unit) * 2);
  max-width: 700px;
  margin: 0 auto calc(var(--spacing-unit) * 5) auto;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-primary);
  width: 100%;
  padding: calc(var(--spacing-unit) * 2);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 1rem;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}
.contact-form button {
  justify-self: center;
}

.contact-links {
  text-align: center;
}
.contact-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 1.1rem;
  margin: 0 calc(var(--spacing-unit) * 2);
  transition: color var(--transition-fast);
}
.contact-links a:hover {
  color: var(--color-primary);
}
.contact-links i {
  margin-right: var(--spacing-unit);
}

.footer {
  background-color: var(--color-surface);
  padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 2);
  font-size: 0.9rem;
  position: relative;
  z-index: 5;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-column h4 {
  color: var(--color-primary);
  margin-bottom: calc(var(--spacing-unit) * 2.5);
  font-size: 1.1rem;
}

.footer-column ul {
  list-style: none;
}
.footer-column li {
  margin-bottom: calc(var(--spacing-unit) * 1.5);
}
.footer-column a,
.footer-column span {
  color: var(--color-text-light);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.footer-column i {
  margin-right: calc(var(--spacing-unit) * 1.5);
  font-size: 1.1em;
  width: 20px;
  text-align: center;
}

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

.footer-bottom {
  text-align: center;
  margin-top: calc(var(--spacing-unit) * 6);
  padding-top: calc(var(--spacing-unit) * 3);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  opacity: 0.6;
}

#langToggle {
  font-family: var(--font-primary);
  background: none;
  border: 1px solid var(--color-text-light);
  color: var(--color-text-light);
  padding: calc(var(--spacing-unit) * 0.75) var(--spacing-unit);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}
#langToggle:hover {
  background-color: var(--color-text-light);
  color: var(--color-background);
}

.loader-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-background);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease-in-out;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-surface);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

html {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--color-surface);
}

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

::-webkit-scrollbar-track {
  background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-primary);
  border-radius: 20px;
  border: 2px solid var(--color-surface);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-text-light);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .nav-links,
  .nav-right {
    display: none;
  }
  .nav-controls {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 3);
    padding-right: 40px;
  }
  .hamburger {
    display: block;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  #langToggle {
    font-family: var(--font-primary);
    background: none;
    border: 1px solid var(--color-text-light);
    color: var(--color-text-light);
    padding: calc(var(--spacing-unit) * 0.75) var(--spacing-unit);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
  }

  .project-showcase,
  .project-showcase.reverse {
    grid-template-columns: 1fr;
    grid-template-areas: "visual" "details";
  }
  .project-details {
    text-align: center;
  }
  .skill-tags {
    justify-content: center;
  }
  .hero-content {
    position: static;
    max-width: 700px;
  }
}

@media (max-width: 700px) {
  html {
    font-size: 13.5px;
  }

  .hero {
    height: 55vh;
    justify-content: flex-end;
    padding-bottom: 5vh;
  }
  .hero::before {
    width: 150vw;
    height: 150vw;
    top: -50vw;
  }
  .hero-content {
    position: static;
    width: 500px;
  }
  .hero-cta-text {
    position: static;
    display: inline-block;
    color: var(--color-background);
    margin-top: calc(var(--spacing-unit) * 2);
    z-index: 5;
    font-size: 13px;
  }
  .hero-arrow {
    position: static;
    display: block;
    transform: none;
    margin-top: 70px;
  }

  .main-container {
    padding-top: calc(var(--spacing-unit) * 4);
  }
  #work {
    padding-top: 70px;
  }

  .skills-grid,
  .creative-grid {
    grid-template-columns: 1fr;
  }
  .about-content p,
  .ux-cta-container p {
    text-align: center;
  }
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .contact-links {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
    align-items: center;
  }
  .contact-links i {
    font-size: 1.2rem;
  }
  .contact-form textarea {
    height: 120px;
  }
}
@media (max-width: 400px) {
  .hero {
    height: 60vh;
  }
}