@font-face {
  font-family: 'DIN 1451';
  src: url('fonts/din1451.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --bg: #2c2c2c;
  --surface: #1e1e1e;
  --text: #e8e8e8;
  --muted: #888;
  --accent: #d4a847;
  --border: #444;
  --flip-angle: 56deg;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: 'DIN 1451', 'Barlow Condensed', sans-serif;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
}

/* ─── Layout ─────────────────────────────────────────── */

.site {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.block {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  /* generous vertical room so rotated content doesn't clip */
  padding: 18vw 0;
}

/* The 56° tilt wrapper */
.tilted {
  transform: rotate(var(--flip-angle));
  transform-origin: center center;
}

/* ─── Header ─────────────────────────────────────────── */

.block--header {
  padding-top: 24vw;
  padding-bottom: 14vw;
}

.site-title {
  font-size: clamp(1.5rem, 6vw, 4rem);
  font-weight: normal;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--text);
  white-space: nowrap;
}

/* ─── Section labels ─────────────────────────────────── */

.block-label {
  font-size: clamp(0.6rem, 1.5vw, 0.9rem);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 2rem;
}

/* ─── PDF Viewer ─────────────────────────────────────── */

.block--flipbook {
  padding: 22vw 0;
}

.pdf-viewer {
  display: flex;
  align-items: center;
  gap: 2rem;
}

#pdf-canvas {
  display: block;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.7);
  opacity: 1;
  transition: opacity 0.25s ease;
}

#pdf-canvas.fading {
  opacity: 0;
}

.pdf-arrow {
  background: none;
  border: none;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  opacity: 0.4;
  transition: opacity 0.2s;
  flex-shrink: 0;
  line-height: 1;
}

.pdf-arrow:hover {
  opacity: 1;
}

.pdf-arrow:disabled {
  opacity: 0.1;
  cursor: default;
}

/* ─── Music ──────────────────────────────────────────── */

.block--music {
  padding-bottom: 24vw;
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 320px;
}

.track {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.track-title {
  font-size: 0.85rem;
  color: var(--text);
  letter-spacing: 0.05em;
}

.track audio {
  width: 100%;
  filter: invert(1) hue-rotate(180deg);
  opacity: 0.8;
}

.placeholder {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
}