/*
  Gus By Heart – Artistic Minimalism
  --------------------------------------------------
  Inspired by: Art galleries, Dieter Rams, David Bowie,
  Thom Yorke, Bon Iver, 1960s modernism meets 1990s refinement
  
  Philosophy: Sophisticated minimalism with artistic edge
  Typography: Precise, gallery-worthy
  Color: Muted, thoughtful, with moments of intensity
  Layout: Breathing space, perfect proportions
*/

:root {
  /* Sophisticated Color Palette */
  --color-primary: #1a1a1a;        /* Rich black, gallery walls */
  --color-secondary: #f8f7f4;      /* Warm white, art paper */
  --color-accent-red: #8b2635;     /* Deep burgundy, artistic intensity */
  --color-accent-muted: #a8a5a0;   /* Warm grey, understated elegance */
  --color-text-light: #6b6b6b;     /* Soft grey for secondary text */
  --color-border: #e8e6e1;         /* Barely-there lines */
  --color-link: #4a4a4a;           /* Confident grey */
  --color-link-hover: #8b2635;     /* Red accent on interaction */

  /* Typography System */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Crimson Text', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  
  /* Precise Spacing (Golden Ratio inspired) */
  --space-xs: 0.618rem;
  --space-sm: 1rem;
  --space-md: 1.618rem;
  --space-lg: 2.618rem;
  --space-xl: 4.236rem;
  
  /* Refined Details */
  --border-width: 1px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Foundation */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--color-secondary);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout Container - Gallery proportions */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

header, nav, main, footer {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header - Museum nameplate aesthetic */
.header {
  text-align: center;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  border-bottom: var(--border-width) solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.8rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  position: relative;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo-text font {
  color: var(--color-accent-red) !important;
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* Email Signup - Refined form */
.signup-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.signup-form input[type="email"] {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: var(--space-xs) var(--space-sm);
  border: var(--border-width) solid var(--color-accent-muted);
  background: transparent;
  color: var(--color-primary);
  min-width: 200px;
  transition: var(--transition);
}

.signup-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent-red);
  background: rgba(139, 38, 53, 0.03);
}

.signup-form input[type="email"]::placeholder {
  color: var(--color-text-light);
  font-style: italic;
}

.signup-form button {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  padding: var(--space-xs) var(--space-md);
  border: var(--border-width) solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-secondary);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.05em;
}

.signup-form button:hover {
  background: var(--color-accent-red);
  border-color: var(--color-accent-red);
  transform: translateY(-1px);
}

/* Thank You Message */
.thank-you-message {
  text-align: center;
  margin-top: var(--space-md);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.thank-you-message.show {
  opacity: 1;
  transform: translateY(0);
}

.thank-you-message p {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1.1rem;
  /* color: var(--color-accent-red); */
  letter-spacing: 0.05em;
  margin: 0;
  padding: var(--space-sm) 0;
}

/* Typography - Gallery precision */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

h1 {
  font-size: 2.2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-md);
  /* border-bottom: var(--border-width) solid var(--color-border); */
  padding-bottom: var(--space-xs);
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

/* Links - Subtle but confident */
a {
  color: var(--color-link);
  text-decoration: none;
  transition: var(--transition);
}

a:hover, a:focus {
  color: var(--color-link-hover);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-red);
  text-underline-offset: 3px;
}

/* Sections - Gallery rooms */
section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
}

section:not(:last-child) {
  border-bottom: var(--border-width) solid var(--color-border);
}

/* About Section - Artist statement */
.bio {
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-primary);
  margin: var(--space-md) 0;
  max-width: 520px;
}

.artist-photo {
  display: flex;
  justify-content: center;
  margin: var(--space-lg) 0;
}

.artist-img {
  width: 200px;
  height: auto;
  filter: grayscale(15%) contrast(1.1) brightness(0.95);
  border: var(--border-width) solid var(--color-accent-muted);
  transition: var(--transition);
}

.artist-img:hover {
  filter: grayscale(0%) contrast(1.05) brightness(1);
  transform: scale(1.02);
}

.contact, .social-icons {
  margin: var(--space-md) 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.contact strong {
  color: var(--color-text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.social-icons strong {
  color: var(--color-text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: var(--space-xs);
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--color-text-light);
  transition: var(--transition);
}

.social-icons a:hover {
  color: var(--color-accent-red);
  transform: translateY(-2px);
}

/* Featured Release - Gallery spotlight */
.featured {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.featured h2 {
  font-weight: 300;
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  border: none;
  margin-bottom: var(--space-lg);
}

.featured-image {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: var(--space-lg) auto;
  border: var(--border-width) solid var(--color-accent-muted);
  transition: var(--transition);
  filter: brightness(0.98) contrast(1.05);
}

.featured-image:hover {
  transform: scale(1.03);
  filter: brightness(1) contrast(1.1);
  box-shadow: 0 8px 32px rgba(139, 38, 53, 0.12);
}

.featured-playback {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-top: var(--space-md);
}

/* Catalog - Collection display */
.release-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.release {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-md) 0;
}

.release-cover {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border: var(--border-width) solid var(--color-accent-muted);
  transition: var(--transition);
  filter: brightness(0.96) contrast(1.08);
}

.release-cover:hover {
  transform: translateY(-3px);
  filter: brightness(1) contrast(1.05);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.release-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.release-type {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.release-formats {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.release-formats strong {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.release-formats a {
  color: var(--color-link);
  margin-left: var(--space-xs);
  padding: 2px 6px;
  border: var(--border-width) solid var(--color-border);
  background: rgba(168, 165, 160, 0.1);
  font-size: 0.8rem;
  transition: var(--transition);
}

.release-formats a:hover {
  background: var(--color-accent-red);
  color: var(--color-secondary);
  border-color: var(--color-accent-red);
  text-decoration: none;
}

/* Lyrics - Poetry section */
.track {
  margin-bottom: var(--space-md);
  /* border-bottom: var(--border-width) solid var(--color-border); */
  padding-bottom: var(--space-sm);
}

.track.release-divider {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 2px solid var(--color-accent-muted);
}

.track summary {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
  color: var(--color-primary);
  padding: var(--space-sm) 0;
  transition: var(--transition);
  position: relative;
}

.track summary::after {
  content: '→';
  position: absolute;
  right: 0;
  transition: var(--transition);
  font-family: var(--font-mono);
}

.track[open] summary::after {
  content: '↓';
  color: var(--color-accent-red);
}

.track summary:hover {
  color: var(--color-accent-red);
  padding-left: var(--space-xs);
}

.track summary::-webkit-details-marker {
  display: none;
}

.lyrics-text {
  font-family: var(--font-body);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-primary);
  padding: var(--space-md) var(--space-md) var(--space-sm);
  background: rgba(168, 165, 160, 0.04);
  border-left: 3px solid var(--color-accent-red);
  white-space: pre-line;
  font-style: italic;
}

/* Footer - Gallery closing */
.footer {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-top: var(--border-width) solid var(--color-border);
  margin-top: var(--space-xl);
}

.footer small {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* Responsive Design */
@media (max-width: 640px) {
  :root {
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
  }
  
  header, nav, main, footer {
    padding: 0 var(--space-sm);
  }
  
  .logo-text {
    font-size: clamp(2.6rem, 12vw, 3.4rem);
    letter-spacing: -0.02em;
  }
  
  .logo-text font {
    letter-spacing: -0.01em;
  }
  
  .signup-form {
    flex-direction: row;
    gap: var(--space-xs);
  }
  
  .signup-form input[type="email"] {
    min-width: 160px;
    flex: 1;
  }
  
  .signup-form button {
    flex-shrink: 0;
    padding: var(--space-xs) var(--space-sm);
  }
  
  .release {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .release-cover {
    margin: 0 auto;
  }
  
  .social-icons {
    justify-content: left;
    flex-wrap: wrap;
  }
}

/* Artistic touches - subtle animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  animation: fadeInUp 0.6s ease-out;
}

/* Selection styling */
::selection {
  background: var(--color-accent-red);
  color: var(--color-secondary);
}

::-moz-selection {
  background: var(--color-accent-red);
  color: var(--color-secondary);
}