:root {
  --bg: #ffffff;
  --ink: #121212;
  --muted: #6a6a6a;
  --line: #b7b7b7;
  --accent: #c1121f;
  --card: #ffffff;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Georgia", "Times New Roman", serif;
  --header-serif: "Garamond", "Baskerville", "Didot", "Times New Roman", serif;
  --mono: "SF Mono", "Menlo", "Consolas", "Liberation Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--serif);
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: hidden;
}

body.theme-dark {
  --bg: #121212;
  --ink: #f5f5f5;
  --muted: #b0b0b0;
  --line: #3f3f3f;
  --card: #1a1a1a;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 0px solid var(--line);
  overflow: visible;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header::after {
    content: "";
    position: absolute;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    bottom: -28px;
    height: 28px;
    pointer-events: none;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent);
  }
}

.header-inner {
  max-width: 80vw;
  margin: 0 auto;
  padding: 20px 24px 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-width: 0;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--header-serif);
  justify-self: start;
  grid-column: 1;
  min-width: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 12px;
  color: var(--ink);
  transform: translateY(1px);
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo-square {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

.logo-center {
  fill: none;
  stroke: var(--accent);
}

.logo-dot {
  fill: var(--accent);
}

.logo-mark-center {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--header-serif);
  justify-self: center;
  grid-column: 2;
  min-width: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-self: end;
  grid-column: 3;
  position: relative;
  z-index: 25;
}

.theme-toggle {
  border: 0;
  background: transparent;
  padding: 4px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink);
  touch-action: manipulation;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.theme-toggle:hover,
.theme-toggle:focus {
  color: var(--accent);
}

.theme-toggle-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.theme-icon-sun {
  display: none;
}

body.theme-dark .theme-icon-sun {
  display: block;
}

body.theme-dark .theme-icon-moon {
  display: none;
}

.nav-group {
  position: relative;
}

.nav-group > summary {
  list-style: none;
  cursor: pointer;
  padding-bottom: 2px;
}

.nav-group > summary::-webkit-details-marker {
  display: none;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card);
  padding: 12px 14px;
  border: 0;
  min-width: 180px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.nav-menu::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 55%;
  height: 70%;
  pointer-events: none;
  opacity: 0.7;
  background:
    linear-gradient(to right, var(--line), transparent 80%) left bottom / 100% 1px no-repeat,
    linear-gradient(to top, var(--line), transparent 80%) left bottom / 1px 100% no-repeat;
}

.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu,
.nav-group[open] .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-menu a {
  padding-bottom: 2px;
}

.nav-menu a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-underline-offset: 6px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  overflow: visible;
  position: relative;
  z-index: 30;
  color: var(--ink);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  transform-origin: center;
}

main {
  flex: 1;
  max-width: 80vw;
  margin: 0 auto;
  padding: 88px 24px 72px;
  width: 100%;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.section-title svg {
  width: 22px;
  height: 22px;
  color: var(--muted);
}

.intro {
  padding: 24px;
  margin-bottom: 40px;
}

.intro h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0.04em;
}

.intro p {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.footer {
  padding: 28px 24px 40px;
  font-size: 14px;
  color: var(--muted);
}

body.page-music .footer {
  padding-bottom: 120px;
}

.footer-inner {
  max-width: 80vw;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.footer-text {
  justify-self: start;
}

.back-to-top {
  justify-self: center;
}

.footer-links {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--accent);
}

.footer-link-sep {
  color: var(--muted);
}

.footer .socials {
  display: flex;
  gap: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.back-to-top {
  border: 0;
  background: none;
  font-family: var(--header-serif);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--muted);
}

.back-to-top:hover,
.back-to-top:focus {
  color: var(--accent);
}

.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 900px) {
  .header-inner,
  main,
  .footer-inner {
    max-width: 100vw;
  }

  .brand,
  .site-nav {
    white-space: nowrap;
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 8px;
    left: auto;
    width: min(280px, calc(100vw - 16px));
    flex-direction: column;
    align-items: flex-start;
    background: var(--card);
    padding: 18px 20px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  body.nav-open .site-nav::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 55%;
    height: 70%;
    pointer-events: none;
    opacity: 0.7;
    background:
      linear-gradient(to right, var(--line), transparent 80%) left bottom / 100% 1px no-repeat,
      linear-gradient(to top, var(--line), transparent 80%) left bottom / 1px 100% no-repeat;
  }

  .nav-group {
    width: 100%;
  }

  .nav-group > summary {
    width: 100%;
  }

  .nav-menu {
    position: relative;
    border: 0;
    padding: 10px 0 0 12px;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    min-width: 0;
    display: none;
    background: var(--card);
  }

  .nav-group[open] .nav-menu {
    display: flex;
  }

  body.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
  }

  .header-actions {
    gap: 8px;
  }

  body.nav-open .menu-toggle span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }

  body.nav-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .menu-toggle span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .header-inner {
    padding: 12px 12px 8px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .brand {
    font-size: 16px;
    letter-spacing: 0.06em;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand .logo-mark {
    display: none;
  }

  .logo-mark-center {
    display: inline-flex;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .site-nav {
    font-size: 12px;
    letter-spacing: 0.1em;
  }

  .theme-toggle {
    padding: 6px 8px;
    font-size: 10px;
    letter-spacing: 0.1em;
  }

  .header-actions {
    grid-column: 2;
    justify-self: end;
  }

  .site-nav {
    right: 0px;
    left: auto;
    width: min(200px, calc(100vw - 12px));
  }

  main {
    padding: 44px 16px 60px;
  }

  .footer {
    padding: 24px 16px 32px;
  }

  .footer .socials {
    gap: 10px 16px;
    letter-spacing: 0.08em;
  }

  .back-to-top {
    font-size: 12px;
    letter-spacing: 0.1em;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-text,
  .footer-links {
    justify-self: center;
  }
}