/* ============================================
   Pierre-Amaury Grumiaux - Portfolio
   Minimal, sober academic design
   ============================================ */

:root {
  --color-bg: #1a1a1a;
  --color-white: #2a2a2a;
  --color-border: #3a3a3a;
  --color-text: #c5c5c5;
  --color-text-secondary: #888888;
  --color-accent: #b8956a;
  --color-accent-hover: #d4af7a;

  --font-serif: 'Space Mono', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;

  --max-width: 1200px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--space-md) 0;
}

h1 {
  font-size: 1.75rem;
  font-weight: 400;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-accent);
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

p {
  margin: 0 0 var(--space-md) 0;
}

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

ul {
  margin: 0 0 var(--space-md) 0;
  padding-left: var(--space-lg);
}

li {
  margin-bottom: var(--space-xs);
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl);
}

.page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  column-gap: var(--space-2xl);
  row-gap: 0;
  align-items: start;
  grid-template-rows: auto 1fr;
}

.sidebar {
  position: sticky;
  top: var(--space-xl);
  grid-row: 1 / 3;
}

.main-content {
  min-width: 0;
}

.content-only {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* Sidebar Identity Card */
.identity-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.identity-card__photo {
  width: 220px;
  height: 160px;
  border-radius: 4px;
  object-fit: cover;
  margin: 0 auto var(--space-md) auto;
  display: block;
  filter: brightness(0.9) contrast(0.95);
  transition: filter 0.2s ease;
}

.identity-card__photo:hover {
  filter: brightness(0.8) contrast(1);
}

.identity-card__name {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.identity-card__title {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  font-family: var(--font-sans);
}

.identity-card__links {
  display: flex;
  flex-direction: row;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-sm);
}

.identity-card__links a {
  display: block;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.identity-card__links a:hover {
  color: var(--color-accent);
}

.identity-card__links svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Audio Player */
.audio-player {
  margin-bottom: var(--space-md);
}

.audio-player__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.audio-player__caption {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0;
  font-style: italic;
}

.audio-player__links {
  display: flex;
  gap: var(--space-sm);
}

.audio-player__links a {
  display: block;
  transition: opacity 0.2s ease;
  opacity: 0.85;
}

.audio-player__links a:hover {
  opacity: 1;
}

.audio-player__links svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.audio-player__links a[title="Spotify"] {
  color: #1DB954;
}

.audio-player__links a[title="Deezer"] {
  color: #FF0092;
}

.audio-player audio {
  width: 100%;
  height: 32px;
}

.audio-player audio::-webkit-media-controls-panel {
  background-color: var(--color-bg);
}

/* Top Navigation */
.top-nav {
  grid-column: 2;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.top-nav__list {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: flex-start;
}

.top-nav__link {
  color: var(--color-text-secondary);
  font-size: 1.0rem;
  text-decoration: none;
}

.top-nav__link:hover {
  color: var(--color-text);
  text-decoration: none;
}

.top-nav__link--active {
  color: var(--color-accent);
  font-weight: 500;
}

/* Main content */
main {
  padding-bottom: var(--space-2xl);
  grid-column: 2;
  margin-top: 0;
  padding-top: 0;
}

/* Section */
.section {
  margin-bottom: var(--space-xl);
}

/* Publication entry */
.pub {
  margin-bottom: var(--space-lg);
}

.pub__title {
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.pub__authors {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.pub__venue {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.pub__links {
  font-size: 0.85rem;
}

.pub__links a {
  margin-right: var(--space-md);
}

/* Experience entry */
.exp {
  margin-bottom: var(--space-lg);
}

.exp__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.exp__role {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.95rem;
}

.exp__date {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.exp__org {
  color: var(--color-text);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  font-weight: 400;
  font-style: italic;
  margin-top: var(--space-xs);
}

.exp__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Education entry */
.edu {
  margin-bottom: var(--space-lg);
}

.edu__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.edu__degree {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.95rem;
}

.edu__date {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.edu__school {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 400;
  font-style: italic;
  margin-top: var(--space-xs);
}

/* Skills */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  background: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 3px;
}

/* Music */
.music-project {
  margin-bottom: var(--space-lg);
}

.music-project__name {
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.music-project__desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.music-project__links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.music-project__links a {
  transition: opacity 0.2s ease;
  opacity: 0.9;
  display: flex;
  align-items: center;
}

.music-project__links a:hover {
  opacity: 1;
}

.music-project__links svg {
  width: 22px;
  height: 22px;
}

.streaming-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.streaming-links a {
  transition: opacity 0.2s ease;
  opacity: 0.9;
}

.streaming-links a:hover {
  opacity: 1;
}

.streaming-links svg {
  width: 28px;
  height: 28px;
}

/* Brand colors for streaming platforms */
.streaming-links a[title="Spotify"] svg {
  fill: #1DB954;
}

.streaming-links a[title="Deezer"] svg {
  fill: #FF0092;
}

.streaming-links a[title="YouTube Music"] svg {
  fill: #FF0000;
}

.streaming-links a[title="Bandcamp"] svg {
  fill: #629aa9;
}

.streaming-links a[title="Tidal"] svg {
  fill: #00FFFF;
}

.streaming-links a[title="Qobuz"] svg {
  fill: #0E7EE6;
}

.streaming-links a[title="Apple Music"] svg {
  fill: #FA243C;
}

/* Brand colors for music project links */
.music-project__links a[title="Spotify"] svg {
  fill: #1DB954;
}

.music-project__links a[title="Deezer"] svg {
  fill: #FF0092;
}

.music-project__links a[title="YouTube Music"] svg {
  fill: #FF0000;
}

.music-project__links a[title="Apple Music"] svg {
  fill: #FA243C;
}

.music-project__links a[title="Tidal"] svg {
  fill: #00FFFF;
}

.music-project__links a[title="Qobuz"] svg {
  fill: #0E7EE6;
}

.music-project__links a[title="Bandcamp"] svg {
  fill: #629aa9;
}

.music-project__links a[title="SoundCloud"] svg {
  fill: #FF5500;
}

/* Project links */
.project-links {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.project-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.project-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Audio examples for projects */
.audio-example {
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.audio-example__prompt {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-sm) 0;
  font-style: italic;
}

.audio-example audio {
  width: 100%;
  height: 32px;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Sidebar section (for interests on index page) */
.sidebar-section {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-md);
}

.sidebar-section h2 {
  font-size: 0.85rem;
  margin-top: 0;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-section p {
  font-size: 0.8rem;
  line-height: 1.5;
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.interests-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.interests-list li {
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text);
  line-height: 1.4;
}

/* Page navigation buttons */
.page-nav {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.page-nav__project {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-nav__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  min-height: 60px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.page-nav__btn:hover {
  background: var(--color-border);
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.page-nav__btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.page-nav__project .page-nav__btn {
  flex: 0 0 auto;
}

.page-nav__project-desc {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* CV Links */
.cv-links {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .sidebar {
    position: static;
  }

  .top-nav__list {
    gap: var(--space-lg);
  }

  .exp__header,
  .edu__header {
    flex-direction: column;
    gap: 0;
  }

  .exp__date,
  .edu__date {
    order: -1;
  }
}