/* Landing: scrolling storytelling layout with fixed blurred background */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.landing-page {
  --story-card-h: calc(1.2 * clamp(24rem, 52vh, 32rem));
  --landing-text: #f8f6f2;
  --landing-border: rgba(255, 255, 255, 0.32);
  --landing-panel: rgba(20, 22, 28, 0.58);
  --landing-panel-strong: rgba(20, 22, 28, 0.62);
  --landing-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  --font-body: "Manrope", "Segoe UI", Arial, sans-serif;
  --font-display: "Prata", Georgia, serif;
  --font-hero-script: "Caveat", "Segoe Script", "Brush Script MT", cursive;
  --bg-zoom: 0;
  position: relative;
  color: var(--landing-text);
  font-family: var(--font-body);
}

.landing-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url("images/background.jpg") center / cover no-repeat;
  transform: scale(calc(1.05 + var(--bg-zoom)));
  transform-origin: center center;
  transition: transform 120ms linear;
  filter: blur(6px);
  -webkit-filter: blur(6px);
}

.landing-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0.7rem 1rem;
  background: rgba(8, 8, 11, 0.48);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 88rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  color: var(--landing-text);
  text-decoration: none;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 500;
  opacity: 0.9;
}

.site-nav {
  display: flex;
  gap: 0.9rem;
}

.site-nav a {
  color: var(--landing-text);
  text-decoration: none;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 500;
  opacity: 0.9;
}

.site-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

.landing-page main {
  max-width: 88rem;
  margin: 0 auto;
  padding: 1.2rem 1rem 4.2rem;
}

.hero {
  --hero-min-h: calc(25vh - 1.6rem);
  min-height: var(--hero-min-h);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.8rem;
  width: min(66.666%, 58rem);
  margin-top: calc(clamp(4.2rem, 11vh, 6.8rem) + var(--hero-min-h) / 3);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  padding: 0.75rem 2rem 1rem;
  border: 1px solid var(--landing-border);
  border-radius: 1.1rem;
  box-shadow: var(--landing-shadow);
  background: var(--landing-panel-strong);
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  font-weight: 400;
}

.hero-lead {
  margin: 0;
  max-width: 48rem;
  font-family: var(--font-hero-script);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.01em;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.3rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  text-decoration: none;
  color: var(--landing-text);
  background: rgba(255, 255, 255, 0.08);
}

.hero-cta:hover {
  background: rgba(255, 255, 255, 0.16);
}

.stories {
  margin-top: clamp(26rem, 68vh, 44rem);
  display: grid;
  gap: 1.35rem;
}

.story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: stretch;
  height: var(--story-card-h);
  padding: 1rem;
  border: 1px solid var(--landing-border);
  border-radius: 1rem;
  background: var(--landing-panel);
  box-shadow: var(--landing-shadow);
  overflow: hidden;
}

.story:nth-child(even) .story-media {
  order: 2;
}

.story:nth-child(even) .story-copy {
  order: 1;
}

.story-media {
  margin: 0;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  border-radius: 0.7rem;
}

.story-carousel {
  position: relative;
  display: block;
  height: 100%;
  min-height: 0;
  /* Отступы здесь, не на вьюпорте: клип и ширина слайда совпадают с расчётом JS (как в лайтбоксе). */
  padding-inline: calc(0.45rem + 2.1rem + 0.35rem);
  box-sizing: border-box;
}

.story-carousel-viewport {
  height: 100%;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border-radius: 0.7rem;
  touch-action: pan-y;
  box-sizing: border-box;
}

.story-carousel-track {
  display: flex;
  height: 100%;
  width: 100%;
  transition: transform 280ms ease;
  will-change: transform;
  backface-visibility: hidden;
}

.story-carousel-slide {
  flex: 0 0 100%;
  flex-shrink: 0;
  height: 100%;
  margin: 0;
  backface-visibility: hidden;
}

.story-carousel-slide img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center center;
  display: block;
  cursor: zoom-in;
}

.story-carousel--single {
  padding-inline: 0;
}

.story-carousel-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.story-carousel-btn {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.1rem;
  height: 2.6rem;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.35rem;
  background: rgba(8, 8, 11, 0.45);
  color: var(--landing-text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.story-carousel-btn:hover {
  background: rgba(8, 8, 11, 0.65);
}

.story-carousel-btn:focus-visible {
  outline: 2px solid rgba(248, 246, 242, 0.86);
  outline-offset: 2px;
}

.story-carousel-btn--prev {
  left: 0.45rem;
}

.story-carousel-btn--next {
  right: 0.45rem;
}

.story-carousel--single .story-carousel-controls {
  display: none;
}

.story-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  height: 100%;
  overflow-y: auto;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.85rem;
  background: rgba(0, 0, 0, 0.18);
  line-height: 1.65;
}

.story-copy p {
  margin: 0 0 0.85rem;
  overflow-wrap: anywhere;
}

.story-copy p:last-child {
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(1.35rem);
  transition: opacity 450ms ease, transform 450ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.landing-footer {
  margin-top: 2rem;
  padding: 0.4rem 0 0.8rem;
  display: flex;
  justify-content: center;
}

.social-link {
  width: 2.7rem;
  height: 2.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(248, 246, 242, 0.92);
  border: 1px solid rgba(248, 246, 242, 0.46);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.2);
  transition: background-color 160ms ease, transform 160ms ease;
}

.social-link:hover {
  background: rgba(248, 246, 242, 0.16);
  transform: translateY(-1px);
}

.social-link:focus-visible {
  outline: 2px solid rgba(248, 246, 242, 0.86);
  outline-offset: 2px;
}

.social-link svg {
  width: 1.35rem;
  height: 1.35rem;
  stroke: currentcolor;
  fill: none;
  stroke-width: 1.8;
}

body.photo-lightbox-open {
  overflow: hidden;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 0s linear 200ms;
}

.photo-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 200ms ease, visibility 0s linear 0s;
}

.photo-lightbox-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(0, 0, 0, 0.82);
  cursor: pointer;
}

.photo-lightbox-panel {
  position: relative;
  z-index: 1;
  --photo-lightbox-side: min(calc(1.5 * var(--story-card-h)), min(92vw, 92vh));
  /* Запас под две боковые кнопки + зазоры, чтобы квадрат влезал в экран */
  --photo-lb-chrome: 6.75rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: fit-content;
  max-width: calc(100vw - 1.5rem);
  padding: 0.35rem 0.4rem;
  box-sizing: border-box;
  border-radius: 0.5rem;
  border: 1px solid var(--landing-border);
  box-shadow: var(--landing-shadow);
  background: rgba(12, 12, 16, 0.92);
  overflow: visible;
}

.photo-lightbox-close {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 3;
  width: 2.25rem;
  height: 2.25rem;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.35rem;
  background: rgba(8, 8, 11, 0.75);
  color: var(--landing-text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.photo-lightbox-close:hover {
  background: rgba(8, 8, 11, 0.92);
}

.photo-lightbox-close:focus-visible {
  outline: 2px solid rgba(248, 246, 242, 0.86);
  outline-offset: 2px;
}

.photo-lightbox-viewport {
  position: relative;
  flex: 0 0 auto;
  --photo-lb-fit: min(
    var(--photo-lightbox-side),
    calc(100vw - var(--photo-lb-chrome)),
    calc(100vh - 3rem)
  );
  width: var(--photo-lb-fit);
  height: var(--photo-lb-fit);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-radius: 0.35rem;
  touch-action: pan-y;
}

.photo-lightbox-track {
  display: flex;
  height: 100%;
  width: 100%;
  transition: transform 280ms ease;
  will-change: transform;
  backface-visibility: hidden;
}

.photo-lightbox-slide {
  flex: 0 0 100%;
  flex-shrink: 0;
  height: 100%;
  margin: 0;
  backface-visibility: hidden;
}

.photo-lightbox-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.photo-lightbox-btn {
  flex: 0 0 auto;
  align-self: center;
  width: 2.25rem;
  height: 2.75rem;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.35rem;
  background: rgba(8, 8, 11, 0.72);
  color: var(--landing-text);
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
}

.photo-lightbox-btn:hover {
  background: rgba(8, 8, 11, 0.9);
}

.photo-lightbox-btn:focus-visible {
  outline: 2px solid rgba(248, 246, 242, 0.86);
  outline-offset: 2px;
}

.photo-lightbox--single .photo-lightbox-btn--prev,
.photo-lightbox--single .photo-lightbox-btn--next {
  display: none;
}

.photo-lightbox--single .photo-lightbox-viewport {
  --photo-lb-fit: min(
    var(--photo-lightbox-side),
    calc(100vw - 2.25rem),
    calc(100vh - 3rem)
  );
}

@media (max-width: 880px) {
  .stories {
    margin-top: clamp(16rem, 44vh, 24rem);
  }

  .story {
    grid-template-columns: 1fr;
    height: auto;
  }

  .story:nth-child(even) .story-media,
  .story:nth-child(even) .story-copy {
    order: initial;
  }

  .story-copy {
    padding: 0.9rem;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 0.62rem 0.75rem;
  }

  .site-logo {
    font-size: 0.72rem;
  }

  .site-nav {
    gap: 0.6rem;
  }

  .site-nav a {
    font-size: 0.88rem;
  }

  .landing-page main {
    padding: 0.9rem 0.75rem 3rem;
  }

  .hero {
    --hero-min-h: min(25vh, 8rem);
    min-height: var(--hero-min-h);
    width: min(86%, 30rem);
    padding: 0.65rem 1rem 0.8rem;
  }

  .hero h1 {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .hero-lead {
    font-size: clamp(1.2rem, 4.2vw, 1.55rem);
  }

  .stories {
    margin-top: clamp(12rem, 34vh, 18rem);
  }

  .story {
    padding: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .story-carousel-track {
    transition: none;
  }

  .social-link {
    transition: none;
  }

  .social-link:hover {
    transform: none;
  }

  .photo-lightbox-track {
    transition: none;
  }
}

/* Каталог: текст песни */
.lyrics--sheet {
  white-space: pre-wrap;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.95rem;
  line-height: 1.45;
}

/* Аккорды: HTML ruby — надпись над фрагментом текста без пробельной «простыни» */
.lyrics:not(.lyrics--sheet) {
  line-height: 1.75;
}

.lyrics ruby {
  ruby-position: over;
  ruby-align: start;
}

.lyrics rt {
  font-size: 0.72em;
  font-weight: 600;
  line-height: 1.2;
  user-select: none;
  white-space: nowrap;
}

/* Страница песни: панель (§3 HLD — шрифт + автоскролл).
   Размер заголовка песни по умолчанию = FONT_REM_TITLE[1] в song.html (сейчас 1.44rem). */
.song-page {
  margin: 0;
  overflow-anchor: none;
  --song-title-font-rem: 1.44;
  /* Средний уровень = FONT_REM_ARTIST[1] в song.html */
  --song-artist-font-rem: 1.05;
  /* Высота липкой полосы как у оглавления: вертикальные паддинги + строка заголовка (line-height 1.2) */
  --song-toolbar-v-pad: 0.12rem;
  --song-toolbar-min-height: calc(
    var(--song-toolbar-v-pad) * 2 + 1.2 * var(--song-title-font-rem) * 1rem
  );
}

.song-page main {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

.song-page main > header {
  margin-top: 0;
}

.song-page main > header h1#song-title {
  margin: 0.25em 0 0.2em;
  font-size: calc(var(--song-title-font-rem) * 1rem);
}

.song-page main > header p#song-artist {
  margin: 0 0 0.65em;
}

.song-toolbar {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 0.65rem;
  margin: 0 0 0.5rem;
  padding: var(--song-toolbar-v-pad) 0.5rem;
  min-height: var(--song-toolbar-min-height);
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f0f0f0;
  border: 1px solid #ddd;
  border-top: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.song-toolbar-main {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 2.05rem;
  min-width: 0;
}

.song-toolbar-back {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.14rem 0.32rem;
  min-width: 1.65rem;
  line-height: 1.1;
  font-size: 0.85rem;
  font-weight: bold;
  text-decoration: none;
  color: #222;
  border: 1px solid #999;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  box-sizing: border-box;
}

.song-toolbar-back:hover {
  background: #fafafa;
}

.song-toolbar-back:active {
  background: #eaeaea;
}

.song-toolbar-back:focus-visible {
  outline: 2px solid #666;
  outline-offset: 1px;
}

.song-toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: nowrap;
}

.song-toolbar button {
  padding: 0.14rem 0.35rem;
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.1;
  min-width: 1.65rem;
  cursor: pointer;
  border: 1px solid #999;
  border-radius: 4px;
  background: #fff;
}

.song-toolbar-toggle {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  letter-spacing: 0;
  min-width: 2.1rem;
}

.song-toolbar-toggle.song-toolbar-toggle--pending {
  opacity: 0.7;
  border-style: dashed;
}

.song-toolbar button:hover {
  background: #fafafa;
}

.song-toolbar button:active {
  background: #eaeaea;
}

.song-toolbar button.song-toolbar-btn--at-limit {
  opacity: 0.45;
  color: #444;
  border-color: #c8c8c8;
  background: #f3f3f3;
  cursor: not-allowed;
  pointer-events: none;
}

.song-toolbar button.song-toolbar-btn--at-limit:hover,
.song-toolbar button.song-toolbar-btn--at-limit:active {
  background: #f3f3f3;
}

/* Оглавление каталога: та же панель, только заголовок; список без буллетов */
.song-toolbar.song-toolbar--title-only {
  grid-template-columns: 1fr;
  column-gap: 0;
  justify-items: center;
}

.song-toolbar.song-toolbar--title-only .catalog-heading {
  margin: 0;
  font-size: calc(var(--song-title-font-rem) * 1rem);
  font-weight: bold;
  line-height: 1.2;
  text-align: center;
}

.catalog-page .catalog-list {
  list-style: none;
  padding: 0;
  margin: 1.95rem 0 0;
}

.catalog-page .catalog-list li {
  margin: 0.35em 0;
}

.catalog-page .catalog-list a {
  font-size: calc(var(--song-artist-font-rem) * 1rem);
  color: #111;
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.catalog-page .catalog-list a:hover {
  color: #000;
}