:root {
  --bg-primary: #111111;
  --bg-secondary: #1b1b1b;
  --border-color: #2e2e2e;
  --text-primary: #f5f5f5;
  --text-secondary: #b5b5b5;
  --text-muted: #8a8a8a;
  --accent: #4da6ff;
  --accent-focus: #6c4cff;
  --shadow-dark: #444;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

.particulas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background:
    radial-gradient(circle at 10% 20%, rgb(53, 40, 40) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgb(50, 48, 48) 0%, transparent 20%);
}

@keyframes flutuar {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

header {
  background-color: var(--bg-secondary);
  padding: 30px 60px;
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header nav ul {
  display: flex;
  justify-content: center;
  gap: 50px;
  list-style: none;
}

header nav ul li {
  font-size: 20px;
  font-weight: bold;
}

header nav ul li a {
  text-decoration: none;
  color: var(--text-primary);
  transition: color 0.3s;
}

header nav ul li a:hover,
.footer-links a:hover {
  color: var(--text-muted);
}

#profile,
#about,
#projects,
#contact {
  scroll-margin-top: 120px;
}

main {
  min-height: 100vh;
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 80px;
}

#profile {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-bottom: 100px;
  animation: flutuar 5s ease-in-out infinite;
}

.profile {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 4px solid var(--shadow-dark);
  box-shadow: 0 0 30px var(--shadow-dark);
  object-fit: cover;
}

.profileText {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.profileText h2 {
  color: #c7c7c7;
}

section {
  width: 100%;
  margin-bottom: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

section h1 {
  font-size: 38px;
  margin-bottom: 20px;
  color: #d6d6d6;
}

section p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 800px;
}

section a {
  color: var(--accent);
  text-decoration: none;
}

section a:hover {
  text-decoration: underline;
}

.projects-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  width: 100%;
  max-width: 1250px;
}

.project-card {
  flex: 1 1 340px;
  max-width: 480px;
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.project-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.project-status {
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
}

.project-card h3 {
  font-size: 26px;
  color: var(--text-primary);
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  list-style: none;
}

.project-stack li {
  font-size: 13px;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 6px 14px;
}

.project-link {
  margin-top: auto;
  font-weight: bold;
}

.btn-download {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(90deg, var(--bg-secondary), var(--accent-focus));
  color: white;
  font-size: 15px;
  font-weight: bold;
  border-radius: 12px;
  text-decoration: none;
  transition: 0.3s;
}

.btn-download:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

#contact {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 0 60px 80px;
}

.contact {
  width: 100%;
  max-width: 700px;
  background-color: var(--bg-secondary);
  padding: 40px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.contact-Tittle {
  font-size: 42px;
  font-weight: bold;
  color: var(--text-primary);
}

.form-contact,
.form-group {
  width: 100%;
}

.form-contact {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-camp,
.form-text {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 2px solid #2c2d2e;
  border-radius: 12px;
  padding: 18px;
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}

.form-camp {
  height: 55px;
}
.form-text {
  height: 160px;
  resize: none;
}

.form-camp::placeholder,
.form-text::placeholder {
  color: #8f8f8f;
}

.form-camp:focus,
.form-text:focus {
  border-color: var(--accent-focus);
  box-shadow: 0 0 10px rgba(108, 76, 255, 0.5);
}

.contact-button {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--bg-primary), var(--accent-focus));
  color: white;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.contact-button:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

footer {
  background-color: var(--bg-secondary);
  border-top: 2px solid var(--border-color);
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footerimg {
  width: 25px;
  height: 25px;
}

.footer-links {
  display: flex;
  gap: 15px;
  align-items: center;
}

.footer-links a {
  color: #cfcfcf;
  font-size: 14px;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-location {
  font-size: 13px;
  color: #7a7a7a;
}

.hidden {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1s ease,
    transform 1s ease;
}

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

#music-bar {
  position: fixed;
  left: -220px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  transition: left 1.5s ease;
  display: flex;
  align-items: center;
  flex-direction: row;
}

#music-bar.visible {
  left: 0;
}

#music-bar-tab {
  background-color: var(--accent-focus);
  color: white;
  padding: 12px 6px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-size: 18px;
  writing-mode: vertical-rl;
}

#music-player {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0 16px 16px 0; 
  padding: 20px;
  width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.4);
}

#music-cover {
  width: 100px;
  height: 100px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

#music-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

#music-title {
  font-size: 14px;
  font-weight: bold;
  color: var(--text-primary);
}

#music-artist {
  font-size: 12px;
  color: var(--text-secondary);
}

#music-controls {
  display: flex;
  gap: 16px;
}

#music-controls button {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  transition: color 0.2s;
}

#music-controls button:hover {
  color: var(--accent-focus);
}

#music-progress {
  width: 100%;
  accent-color: var(--accent-focus);
  cursor: pointer;
}