:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --line: #eeeeee;
  --accent: #111111;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

main {
  padding: 2.5rem 1.5rem 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.site-header {
  padding: 2rem 1.5rem 1rem;
  border-bottom: 1px solid var(--line);
}

.site-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin: 0.2rem 0 0;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2.5rem 0;
}

.hero-media {
  aspect-ratio: 148 / 210; 
  overflow: hidden;
}

.hero-copy h2 {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  margin-top: 0;
}

.hero-copy p {
  max-width: 32rem;
}

.zine-info {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem 0;
}

.zine-info__content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}

.spec {
  margin: 0;
  font-weight: 500;
}

.price {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.price-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.price-value {
  font-size: 1.8rem;
  margin: 0;
}

.button {
  width: fit-content;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.button:hover,
.button:focus-visible {
  background: var(--bg);
  color: var(--accent);
}

.tracks {
  padding: 2.5rem 0;
}

.tracks h2 {
  margin-bottom: 1.5rem;
}

.tracks ol {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.tracks li {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.track-title {
  font-weight: 600;
}

.track-author {
  color: var(--muted);
  font-size: 0.9rem;
}

.authors {
  padding: 2.5rem 0 0;
}

.author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.author-card {
  border: 1px solid var(--line);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.author-avatar {
  width: 150px;
  height: 150px;
  background: #f5f5f5;
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.author-card p {
  margin: 0;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.5rem 3rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.footer-links a {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  border-bottom-color: var(--text);
}

.content-tabs-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--line);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.tab-buttons {
  display: flex;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 1rem 2rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--text);
}

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.intro-text h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.intro-text p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.track-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.track-list li {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.track-list li:first-child {
  border-top: 1px solid var(--line);
}

.events {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

.event-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.event-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.event-item:last-child {
  border-bottom: none;
}

.event-date {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: monospace;
  font-size: 1rem;
}

.event-status {
  background-color: var(--text);
  color: var(--bg);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-name {
  font-size: 1.1rem;
  margin: 0.2rem 0;
}

.event-location {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.event-note {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--accent);
}

.footer-links .separator {
  margin: 0 0.5rem;
  color: var(--muted);
  font-weight: 300;
}

.preview-gallery {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.preview-item {
  margin: 0;
  width: 100%;
  max-width: 600px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.preview-item img {
  width: 100%;
  height: auto;
  display: block;
}

.preview-item figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: left;
}

.preview-note {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .author-card {
    min-height: 350px;
  }

    .event-item {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
  
  .event-date {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
}