/* Main styles for LUFS Audio Portfolio Website */

:root {
  --color-teal: #78BEBA;
  --color-red: #D35233;
  --color-yellow: #E7B225;
  --color-blue: #2069af;
  --color-black: #111111;
  --color-dark-gray: #1a1a1a;
  --color-medium-gray: #333333;
  --color-light-gray: #444444;
  --color-white: #fbf9e2;
  --font-primary: 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Helvetica', Arial, sans-serif;
  --transition-speed: 0.3s;
}

/* Reset and base styles */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-black);
  overflow-x: hidden;
}

body {
  position: relative;
}

a {
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--color-teal);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-primary);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(17, 17, 17, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-speed) ease;
}

nav .logo {
  height: 40px;
  display: flex;
  align-items: center;
}

nav .logo img {
  height: 100%;
  width: auto;
}

nav ul {
  display: flex;
  gap: 2rem;
}

nav ul li a {
  position: relative;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 0;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-teal);
  transition: width var(--transition-speed) ease;
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

nav ul li a.active {
  color: var(--color-teal);
}

/* Main content */
main {
  min-height: 100vh;
  padding-top: 80px; /* Account for fixed nav */
}

/* Hero section */
#hero {
  position: relative;
  min-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Category sections */
.category-sections {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: calc(100vh - 80px);
}

@media (min-width: 768px) {
  .category-sections {
    flex-direction: row;
  }
}

.category-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 2rem;
  transition: flex 0.5s ease;
}

.category-section:hover {
  flex: 1.5;
}

.category-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  text-align: left;
  padding: 2rem;
  background-color: rgba(17, 17, 17, 0.7);
  border-radius: 8px;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: transform 0.3s ease;
}

.category-section:hover .category-content {
  transform: scale(1.05);
}

.category-visualization {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.category-link {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-white);
  border-radius: 30px;
  transition: all 0.3s ease;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
}

/* Sound Design Section */
#sound-design-section {
  background-color: rgba(17, 17, 17, 0.7);
}

#sound-design-section .category-link {
  border-color: var(--color-blue);
}

#sound-design-section .category-link:hover {
  background-color: var(--color-blue);
  color: var(--color-black);
}

/* Music Composition Section */
#music-composition-section {
  background-color: rgba(17, 17, 17, 0.7);
}

#music-composition-section .category-link {
  border-color: var(--color-yellow);
}

#music-composition-section .category-link:hover {
  background-color: var(--color-yellow);
  color: var(--color-black);
}

/* Technical Audio Section */
#technical-audio-section {
  background-color: rgba(17, 17, 17, 0.7);
}

#technical-audio-section .category-link {
  border-color: var(--color-red);
}

#technical-audio-section .category-link:hover {
  background-color: var(--color-red);
  color: var(--color-black);
}

/* Category header sections */
.category-header {
  position: relative;
  height: 50vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.category-header-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
  background-color: rgba(17, 17, 17, 0.7);
  border-radius: 8px;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.sound-design-header {
  background-color: rgba(120, 190, 186, 0.1);
}

.music-composition-header {
  background-color: rgba(231, 178, 37, 0.1);
}

.technical-audio-header {
  background-color: rgba(211, 82, 51, 0.1);
}

/* Portfolio projects */
#portfolio-projects {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  display: flex;
  flex-direction: column;
  margin-bottom: 4rem;
  background-color: var(--color-medium-gray);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .project-card {
    flex-direction: row;
    height: 400px;
  }
  
  .project-card:nth-child(even) {
    flex-direction: row-reverse;
  }
}

.project-media {
  flex: 1;
  position: relative;
  background-color: var(--color-black);
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.audio-player {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem;
  background-color: rgba(17, 17, 17, 0.8);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.audio-player audio {
  width: 100%;
}

.project-info {
  flex: 1;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--color-medium-gray);
}

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

.tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-light-gray);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-link {
  align-self: flex-start;
  margin-top: auto;
  padding: 0.75rem 1.5rem;
  background-color: transparent;
  border: 1px solid var(--color-teal);
  border-radius: 30px;
  color: var(--color-teal);
  font-weight: 500;
  transition: all 0.3s ease;
}

.project-link:hover {
  background-color: var(--color-teal);
  color: var(--color-black);
}

/* Footer */
footer {
  padding: 3rem 2rem;
  background-color: var(--color-black);
  border-top: 1px solid var(--color-light-gray);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-logo {
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
}

.footer-logo a {
  display: block;
}

.footer-logo img {
  height: 40px;
  width: auto;
  transition: opacity 0.2s ease;
}

.footer-logo img:hover {
  opacity: 0.8;
}

.footer-contact a {
  color: var(--color-teal);
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-copyright {
  color: var(--color-light-gray);
  font-size: 0.9rem;
}

/* Background canvas */
#background-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-color: var(--color-black);
}

/* Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Custom cursor */
.custom-cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-teal);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
  mix-blend-mode: difference;
}

/* Audio player styling */
audio::-webkit-media-controls-panel {
  background-color: var(--color-medium-gray);
}

audio::-webkit-media-controls-play-button {
  background-color: var(--color-teal);
  border-radius: 50%;
}

audio::-webkit-media-controls-current-time-display,
audio::-webkit-media-controls-time-remaining-display {
  color: var(--color-white);
}

/* Ensure all interactive elements have proper cursor */
a, button, .project-card, .category-section {
  cursor: pointer;
}

/* ===== Audio Controls ===== */
.audio-controls {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  z-index: 100;
}

.audio-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.2s ease;
  border: none;
  cursor: pointer;
  z-index: 2; /* Ensure button stays on top */
}

.audio-toggle:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.audio-icon {
  position: relative;
  width: 15px;
  height: 15px;
}

.audio-icon::before,
.audio-icon::after {
  content: '';
  position: absolute;
  background-color: #78BEBA;
}

.audio-icon::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.audio-icon::after {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #78BEBA;
  top: 50%;
  left: 0;
  transform: translateY(-50%) scale(1.5);
  animation: pulse 2s infinite;
  background-color: transparent;
  will-change: transform, opacity; /* Hardware acceleration hint */
}

.audio-toggle.muted .audio-icon::after {
  animation: none;
  transform: translateY(-50%) scale(1);
  opacity: 0.5;
}

.volume-slider {
  width: 0;
  overflow: hidden;
  transition: width 0.4s ease;
  margin-left: 10px;
  position: relative; /* Change from absolute to relative */
  white-space: nowrap; /* Prevent line breaks */
}

.audio-controls:hover .volume-slider {
  width: 100px;
}

.volume-range {
  width: 100px;
  height: 4px;
  -webkit-appearance: none;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.volume-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #78BEBA;
  cursor: pointer;
}

.volume-range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #78BEBA;
  cursor: pointer;
  border: none;
}

/* Pulse animation for audio icon */
@keyframes pulse {
  0% {
    transform: translateY(-50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translateY(-50%) scale(1.5);
    opacity: 0.5;
  }
  100% {
    transform: translateY(-50%) scale(1);
    opacity: 1;
  }
}

/* Responsive adjustments */
@media (max-width: 767px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  nav {
    padding: 1rem;
  }
  
  nav ul {
    gap: 1rem;
  }
  
  .category-content {
    padding: 1.5rem;
  }
  
  #portfolio-projects {
    padding: 2rem 1rem;
  }
  
  .project-card {
    margin-bottom: 2rem;
  }
  
  .project-info {
    padding: 1.5rem;
  }
  
  /* Footer adjustments for mobile */
  .footer-logo img {
    height: 30px;
  }
}

@media (max-width: 480px) {
  .footer-logo img {
    height: 25px;
  }
}