/* === 19-mixtape/styles.css ===
 * Cassette liner notes / album art — creative (bold-experimental)
 */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
body { line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
a { text-decoration-skip-ink: auto; color: inherit; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* --- Fluid Scales --- */
:root {
  --step--2: clamp(0.69rem, 0.66rem + 0.18vw, 0.80rem);
  --step--1: clamp(0.83rem, 0.78rem + 0.25vw, 1.00rem);
  --step-0:  clamp(1.00rem, 0.93rem + 0.33vw, 1.13rem);
  --step-1:  clamp(1.20rem, 1.10rem + 0.45vw, 1.41rem);
  --step-2:  clamp(1.44rem, 1.30rem + 0.63vw, 1.76rem);
  --step-3:  clamp(1.73rem, 1.54rem + 0.88vw, 2.20rem);
  --step-4:  clamp(2.07rem, 1.81rem + 1.23vw, 2.75rem);
  --step-5:  clamp(2.49rem, 2.13rem + 1.69vw, 3.43rem);

  --space-3xs: clamp(0.25rem, 0.23rem + 0.11vw, 0.31rem);
  --space-2xs: clamp(0.50rem, 0.46rem + 0.22vw, 0.63rem);
  --space-xs:  clamp(0.75rem, 0.69rem + 0.33vw, 0.94rem);
  --space-s:   clamp(1.00rem, 0.93rem + 0.33vw, 1.13rem);
  --space-m:   clamp(1.50rem, 1.39rem + 0.54vw, 1.69rem);
  --space-l:   clamp(2.00rem, 1.85rem + 0.76vw, 2.25rem);
  --space-xl:  clamp(3.00rem, 2.78rem + 1.09vw, 3.38rem);
  --space-2xl: clamp(4.00rem, 3.70rem + 1.52vw, 4.50rem);
  --space-3xl: clamp(6.00rem, 5.57rem + 2.17vw, 6.75rem);
}

/* --- Motion --- */
:root {
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-hover: 160ms var(--motion-ease);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Creative Domain (warm paper variant) --- */
:root {
  --color-paper: oklch(0.94 0.015 80);
  --color-paper-alt: oklch(0.90 0.02 75);
  --color-ink: oklch(0.15 0.01 50);
  --color-ink-dim: oklch(0.45 0.01 50);
  --color-accent: oklch(0.55 0.15 50);
  --color-border: oklch(0.75 0.02 70);

  --font-display: 'Bricolage Grotesque', 'Anton', sans-serif;
  --font-body: 'DM Sans', 'General Sans', system-ui, sans-serif;
  --font-mono: 'Recursive', 'Fira Code', monospace;
}

/* --- Page --- */
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  position: relative;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('assets/grain-overlay.svg');
  background-size: 200px 200px;
  mix-blend-mode: multiply;
  opacity: 0.08;
  pointer-events: none;
  z-index: 100;
}

/* --- Album Cover --- */
.album-cover {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2xl) var(--space-l);
  background: var(--color-paper-alt);
  border-bottom: 3px solid var(--color-ink);
  position: relative;
}

.album-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-ink);
  text-transform: uppercase;
  text-wrap: balance;
}

.album-subtitle {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--color-ink-dim);
  margin-top: var(--space-m);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* --- Side Label --- */
.side-label {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-ink);
  padding: var(--space-m) var(--space-l);
  border-bottom: 2px solid var(--color-ink);
  background: var(--color-paper-alt);
}

/* --- Track List (Projects) --- */
.track-list {
  padding: var(--space-m) var(--space-l);
  list-style: none;
  counter-reset: track;
}

.track {
  counter-increment: track;
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: var(--space-s);
  padding: var(--space-s) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.track::before {
  content: counter(track, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--color-ink-dim);
  padding-top: 3px;
}

.track-title {
  font-weight: 700;
  color: var(--color-ink);
}

.track-desc {
  font-size: var(--step--1);
  color: var(--color-ink-dim);
  line-height: 1.5;
  margin-top: var(--space-3xs);
}

.track-duration {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--color-ink-dim);
  text-align: right;
  white-space: nowrap;
}

/* --- Liner Notes (About) --- */
.liner-notes {
  padding: var(--space-xl) var(--space-l);
  border-top: 3px solid var(--color-ink);
  background: var(--color-paper-alt);
  columns: 2;
  column-gap: var(--space-xl);
  font-size: var(--step--1);
  line-height: 1.7;
}

.liner-notes p {
  margin-bottom: var(--space-s);
  break-inside: avoid;
}

.liner-notes-title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-m);
  column-span: all;
}

/* --- Credits (Experience) --- */
.credits {
  padding: var(--space-xl) var(--space-l);
  border-top: 2px solid var(--color-ink);
}

.credits-title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-m);
}

.credit-entry {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-s);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--step--1);
}

.credit-role {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--color-ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.credit-name {
  font-weight: 700;
}

.credit-detail {
  color: var(--color-ink-dim);
  margin-top: 2px;
}

/* --- Skills as Materials --- */
.materials {
  padding: var(--space-xl) var(--space-l);
  border-top: 2px solid var(--color-ink);
  background: var(--color-paper-alt);
}

.materials-title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-m);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-m);
}

.material-group-title {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.material-items {
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--color-ink-dim);
}

/* --- Special Thanks (Contact) --- */
.thanks {
  padding: var(--space-xl) var(--space-l);
  border-top: 3px solid var(--color-ink);
  text-align: center;
}

.thanks-title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: var(--space-m);
}

.thanks-links {
  display: flex;
  justify-content: center;
  gap: var(--space-l);
  flex-wrap: wrap;
}

.thanks-link {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-decoration: none;
  border-bottom: 2px solid var(--color-ink);
  padding-bottom: 2px;
  transition: border-color var(--motion-hover);
}

.thanks-link:hover {
  border-bottom-color: var(--color-accent);
}

/* --- Footer --- */
.colophon {
  padding: var(--space-m) var(--space-l);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--color-ink-dim);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* --- Mobile --- */
@media (max-width: 640px) {
  .album-cover { padding: var(--space-xl) var(--space-s); min-height: 60vh; }
  .liner-notes { columns: 1; padding: var(--space-m) var(--space-s); }
  .track { grid-template-columns: 30px 1fr auto; }
  .credit-entry { grid-template-columns: 1fr; gap: var(--space-3xs); }
  .materials-grid { grid-template-columns: 1fr 1fr; }
  .thanks-links { flex-direction: column; align-items: center; }
}