/* =========================================================
   Мария Алёшина — полный сайт
   ========================================================= */

:root {
  --paper: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #1a1a1a;
  --muted: #9b9b9b;
  --faint: #cfcfcf;
  --line: #e7e4de;
  --media: #ECEAE6;
  --gut: clamp(20px, 5vw, 72px);
  --maxw: 1560px;
  --radius: 2px;
}
html[data-theme="dark"] {
  --paper: #0d0d0d;
  --ink: #f1efe9;
  --ink-2: #d8d6d0;
  --muted: #6a6a68;
  --faint: #3a3a38;
  --line: #222220;
  --media: #1a1a18;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  transition: background .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }
::selection { background: var(--ink); color: var(--paper); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* ---- ШАПКА ---- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--gut);
  font-size: 1rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 100;
  transition: background .25s;
}
.mark { font-weight: 500; letter-spacing: .02em; display: inline-flex; align-items: center; }
.mark-logo {
  height: 48px;
  width: auto;
  display: block;
}
@media (max-width: 520px) { .mark-logo { height: 38px; } }
.utils { display: flex; align-items: center; gap: 1.4em; }
.theme-btn {
  background: none;
  border: 1px solid var(--faint);
  padding: .3em .8em;
  font-size: .9rem;
  letter-spacing: .01em;
  color: var(--muted);
  transition: border-color .2s, color .2s;
}
.theme-btn:hover { border-color: var(--ink); color: var(--ink); }
.lang-toggle { display: flex; align-items: center; gap: .3em; color: var(--muted); font-size: .95rem; }
.lang-opt { transition: color .15s; }
.lang-opt.active { color: var(--ink); }
.lang-opt.muted { color: var(--muted); }
.sep { color: var(--faint); }

/* ---- ОБЩИЕ ---- */
.eyebrow {
  display: block;
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5em;
}
.statement {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.6;
  letter-spacing: -0.01em;
  max-width: 60ch;
  margin: 0 0 1em;
}
.muted { color: var(--muted); }
.section-title {
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  line-height: .95;
  margin: 0 0 1.2em;
}

/* ======= КАРКАС: ЛЕВАЯ ПАНЕЛЬ + КОНТЕНТ ======= */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(14px, 2vw, 30px) var(--gut) 0;
  display: grid;
  grid-template-columns: minmax(250px, 30%) 1fr;
  gap: clamp(28px, 5vw, 90px);
  align-items: start;
}

/* левая панель */
.rail { position: sticky; top: 90px; }
.wordmark {
  margin: 0 0 1em;
  font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.tree { margin: 0 0 2.2em; }
.tree > ul { position: relative; padding-left: 18px; }
.tree > ul::before { content: ""; position: absolute; left: 2px; top: .85em; bottom: .85em; width: 1px; background: var(--ink); }
.tree li { position: relative; font-size: 1.2rem; letter-spacing: -0.02em; }
.tree > ul > li { padding: .16em 0; }
.tree > ul > li::before { content: ""; position: absolute; left: -16px; top: .85em; width: 12px; height: 1px; background: var(--ink); }
.tree a { transition: opacity .15s; }
.tree a:hover { opacity: .55; }
.plus { color: var(--muted); font-size: .85em; margin-left: .15em; }
.tree details > summary { cursor: pointer; list-style: none; }
.tree details > summary::-webkit-details-marker { display: none; }
.tree details > summary:hover { opacity: .55; }
.tree__sub { padding-left: 18px; margin: .1em 0 .2em; position: relative; }
.tree__sub::before { content: ""; position: absolute; left: 2px; top: .2em; bottom: .7em; width: 1px; background: var(--line); }
.tree__sub li { font-size: .9rem; color: var(--muted); padding: .08em 0; }
.tree__sub li::before { content: ""; position: absolute; left: -16px; top: .72em; width: 12px; height: 1px; background: var(--line); }
.tree__sub a:hover { color: var(--ink); opacity: 1; }

.entry {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ink);
  padding: .7em 1.1em;
  font-size: 1rem;
  margin: 0 0 1.5em;
  transition: background .18s, color .18s;
}
.entry:hover { background: var(--ink); color: var(--paper); }
.social { display: flex; flex-wrap: wrap; gap: 0 1.1em; font-size: .92rem; }
.social a { color: var(--muted); }
.social a:hover { color: var(--ink); }

/* правая колонка */
.content { min-width: 0; padding-bottom: clamp(60px, 9vw, 140px); }

.now { margin-bottom: clamp(26px, 4vw, 50px); }
.now__title {
  margin: 0 0 .35em;
  font-weight: 300;
  letter-spacing: -0.03em;
  font-size: clamp(1.5rem, 4.4vw, 3.6rem);
  line-height: 1;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .3em .5em;
}
.now__link { font-size: 1.02rem; }
.now__link:hover { opacity: .55; }
.lede {
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.02em;
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.2;
  max-width: 30ch;
}
.lede strong { font-weight: 500; }
.lede a { text-decoration: underline; text-underline-offset: 3px; }
.lede a:hover { opacity: .6; }

/* ======= РАБОТЫ: статичная сетка ======= */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.2vw, 30px);
  margin: clamp(24px, 4vw, 48px) 0 clamp(48px, 7vw, 90px);
}
.conv-card { min-width: 0; }

/* окно карточки — фиксированное, изображения едут внутри */
.conv-img {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--media);
  cursor: pointer;
}
/* лента изображений (направление задаёт JS) */
.conv-strip {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  will-change: transform;
}
.conv-strip img {
  flex: 0 0 auto;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  display: block;
}
/* вертикально (вверх) */
.conv-strip--up { flex-direction: column; width: 100%; animation: ticker-up var(--dur, 24s) linear infinite; }
.conv-strip--up img { width: 100%; height: auto; }
/* горизонтально (вбок) */
.conv-strip--side { flex-direction: row; height: 100%; animation: ticker-side var(--dur, 24s) linear infinite; }
.conv-strip--side img { height: 100%; width: auto; }

@keyframes ticker-up   { to { transform: translateY(-50%); } }
@keyframes ticker-side { to { transform: translateX(-50%); } }

/* при наведении лента замирает, удобно кликнуть */
.conv-img:hover .conv-strip { animation-play-state: paused; }

.conv-strip img.img-missing { visibility: hidden; }

.conv-caption { padding: .6em 0 0; }
/* материалы не показываем на карточке — они остаются только в лайтбоксе */
.conv-caption .eyebrow { display: none; }
.conv-title {
  display: block;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* портрет внутри блока «Практика» */
.bio-block {
  display: grid;
  grid-template-columns: minmax(200px, 34%) 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  margin-top: clamp(32px, 5vw, 64px);
}
.bio__media { margin: 0; aspect-ratio: 4 / 5; background: var(--media); overflow: hidden; }
.bio__media img { width: 100%; height: 100%; object-fit: cover; }
.bio__text .eyebrow { margin-bottom: 1em; }

/* фильтры */
.filters {
  display: flex; flex-wrap: wrap; gap: .4em 1.6em;
  font-size: clamp(1.1rem, 1.9vw, 1.5rem); letter-spacing: -0.02em;
  margin: 1.6em 0;
}
.filters .dot { color: var(--ink); margin-right: .3em; font-size: .8em; }
.filters a { display: inline-flex; align-items: baseline; transition: opacity .15s; }
.filters a:hover { opacity: .55; }

/* большие заголовки разделов */
.big {
  margin: 0 0 .45em; font-weight: 400; letter-spacing: -0.04em;
  font-size: clamp(2.4rem, 5.5vw, 4.5rem); line-height: .95;
}
.practice { margin-bottom: clamp(48px, 7vw, 96px); }

/* ======= 3. ВЫСТАВКИ ======= */
.exh {
  border-top: 1px solid var(--line);
  padding: clamp(40px, 6vw, 80px) 0 0;
  margin-bottom: clamp(40px, 6vw, 80px);
}
.exh__list { border-top: 1px solid var(--ink); }

/* простая таблица выставок (без раскрытий) */
.exh__row {
  display: grid;
  grid-template-columns: 5rem 1fr 1fr;
  gap: 1rem 1.5rem;
  align-items: baseline;
  padding: .85em 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  letter-spacing: -0.02em;
}
.exh__year { color: var(--muted); font-variant-numeric: tabular-nums; }
.exh__name { min-width: 0; }
.exh__place { color: var(--muted); font-size: .9em; text-align: right; }


/* ---- ЛАЙТБОКС: фото + экспликация ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--paper);
  opacity: 0;
  overflow-y: auto;
  transition: opacity .25s ease;
}
.lightbox:not([hidden]) { opacity: 1; }
.lightbox[hidden] { display: none; }

.lb-stage {
  max-width: 1500px;
  margin: 0 auto;
  min-height: 100%;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(40px, 6vh, 84px) var(--gut);
  align-items: start;
}

/* левая часть — изображение + миниатюры */
.lb-media { min-width: 0; }
.lb-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--media);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.lb-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  transition: opacity .2s;
  -webkit-user-drag: none;
  pointer-events: none;
}
.lb-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.lb-thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  cursor: pointer;
  opacity: .45;
  transition: opacity .2s;
}
.lb-thumb:hover { opacity: .8; }
.lb-thumb.active { opacity: 1; outline: 1px solid var(--ink); outline-offset: -1px; }

/* правая часть — текст */
.lb-info { padding-top: .3em; }
.lb-title {
  margin: 0 0 .25em;
  font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.lb-sub { margin: 0 0 1.2em; color: var(--muted); font-size: 1rem; }
.lb-materials { margin: 0 0 1.4em; color: var(--muted); font-size: .92rem; }
.lb-expl {
  font-size: clamp(.98rem, 1.3vw, 1.1rem);
  line-height: 1.6;
  max-width: 46ch;
}
.lb-expl p { margin: 0 0 .8em; }
.lb-expl:empty { display: none; }
.lb-counter {
  margin: 2em 0 0;
  color: var(--faint);
  font-size: .85rem;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
}

/* кнопки */
.lb-close {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 2;
  background: var(--paper);
  border: 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  padding: .35em .45em;
  opacity: .8;
  transition: opacity .15s;
}
.lb-close:hover { opacity: 1; }

/* адаптив лайтбокса */
@media (max-width: 820px) {
  .lb-stage { grid-template-columns: 1fr; gap: 20px; padding-top: 64px; }
  .lb-img { max-height: 62vh; }
}

/* ======= 4. КОНТАКТЫ ======= */
.contact {
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 70px) 0 0;
  margin-bottom: clamp(36px, 5vw, 70px);
}
.contact__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--ink);
  padding-top: 1.2em;
}
.link-lg {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  letter-spacing: -0.03em;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.link-lg:hover { opacity: .55; }

/* ======= ПОДВАЛ ======= */
.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5em 1.5em;
  border-top: 1px solid var(--line);
  padding: 1.1em 0;
  font-size: .9rem;
  color: var(--muted);
}
.foot a { color: var(--ink); }
.foot a:hover { opacity: .55; }

/* ======= АДАПТИВ ======= */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: clamp(24px, 6vw, 40px); }
  .rail { position: static; }
  .wordmark { font-size: clamp(3rem, 13vw, 5rem); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .bio-block { grid-template-columns: 1fr; }
  .bio__media { max-width: 340px; }
  .exh__row {
    grid-template-columns: 3.4rem 1fr;
    grid-template-areas: "y n" "y p";
    gap: .1em 1rem;
  }
  .exh__year { grid-area: y; }
  .exh__name { grid-area: n; }
  .exh__place { grid-area: p; text-align: left; }
  .contact__cols { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .foot { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .conv-strip { animation: none !important; transform: none !important; }
}