:root {
  --paper: #efe4d2;
  --paper-deep: #e6d8c2;
  --sheet: #f7f1e4;
  --ink: #1b1914;
  --ink-soft: #433e36;
  --muted: #6d6458;
  --pine: #1b3229;
  --pine-mid: #27483c;
  --copper: #9a4520;
  --line: #d8cbb6;
  --line-strong: #c9b89e;
  --serif: "Newsreader", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: "Public Sans", "Segoe UI", "Avenir Next", sans-serif;
  --shadow: 0 18px 40px rgba(40, 28, 14, 0.06);
  --max: 1120px;
  --header: 4.6rem;
}

html[lang="ru"] {
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
}

html[lang="ar"] {
  --serif: "Noto Naskh Arabic", Georgia, "Times New Roman", serif;
  --sans: "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(27, 50, 41, 0.045) 0 1px, transparent 1px) 0 0 / 28px 28px,
    var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body { padding-bottom: 5.4rem; }

@media (min-width: 900px) {
  body { padding-bottom: 0; }
}

img { max-width: 100%; }

a { color: var(--pine); }

a:hover { color: var(--copper); }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--pine);
  color: var(--sheet);
  padding: .6rem .9rem;
  z-index: 20;
}

.skip:focus { top: .6rem; }

.spine {
  display: none;
}

@media (min-width: 1180px) {
  html[dir="ltr"] .spine {
    display: flex;
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: 2.35rem;
    background: var(--pine);
    color: #f3eadc;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    align-items: center;
    justify-content: center;
    letter-spacing: .28em;
    text-transform: uppercase;
    font-size: .68rem;
    font-weight: 600;
    z-index: 5;
  }

  html[dir="ltr"] body { padding-inline-start: 2.35rem; }
}

.topbar {
  background: var(--pine);
  color: #f3eadc;
  font-size: .82rem;
}

.topbar-inner,
.header-inner,
.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  min-height: 2.35rem;
  flex-wrap: wrap;
  padding: .35rem 0;
}

.topbar a { color: #f3eadc; }

.langs {
  display: flex;
  flex-wrap: wrap;
  gap: .15rem .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.langs a {
  text-decoration: none;
  opacity: .78;
}

.langs a[aria-current="page"] {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: .2em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(239, 228, 210, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--header);
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: inherit;
  margin-inline-end: auto;
}

.brand svg { display: block; flex: none; }

.brand-name {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-name span {
  display: block;
  font-family: var(--sans);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 700;
  margin-top: .2rem;
}

.nav-links {
  display: none;
  gap: .9rem;
  align-items: center;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
}

.header-cta,
.hero-cta,
.mid-cta,
.dock {
  display: flex;
  gap: .5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1rem;
  border-radius: 3px;
  text-decoration: none;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .01em;
  border: 1.5px solid var(--pine);
  white-space: nowrap;
}

.btn-primary { background: var(--pine); color: #f6f0e4; }
.btn-primary:hover { background: var(--pine-mid); color: #fff; }
.btn-ghost { background: transparent; color: var(--pine); }
.btn-ghost:hover { background: var(--pine); color: #f6f0e4; }

.menu {
  display: block;
}

.menu summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  min-height: 2.85rem;
  display: flex;
  align-items: center;
  padding-inline: .2rem;
}

.menu summary::-webkit-details-marker { display: none; }

.menu-panel {
  position: absolute;
  inset-inline: 0;
  background: var(--sheet);
  border-bottom: 1px solid var(--line);
  padding: .4rem 0 1rem;
  box-shadow: var(--shadow);
}

.menu-panel a {
  display: block;
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
  padding: .7rem 0;
  text-decoration: none;
  color: var(--ink);
  border-top: 1px solid var(--line);
  font-weight: 600;
}

@media (max-width: 899px) {
  .header-cta { display: none; }
}

@media (min-width: 1180px) {
  .menu { display: none; }
  .nav-links { display: flex; }
}

.hero {
  padding: 1.6rem 0 1rem;
}

.hero-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, .8fr);
    align-items: end;
    gap: 2rem;
  }
}

.kicker {
  margin: 0 0 .6rem;
  color: var(--copper);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  font-family: var(--serif);
  font-weight: 650;
  font-size: clamp(2.15rem, 5vw, 3.7rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 .85rem;
}

.lede {
  font-size: 1.14rem;
  color: var(--ink-soft);
  margin: 0 0 1.15rem;
  max-width: 42rem;
}

.ticket {
  background:
    linear-gradient(var(--copper), var(--copper)) 0 0 / 100% 5px no-repeat,
    var(--sheet);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.15rem 1rem;
}

.ticket p { margin: .35rem 0; }

.ticket .label {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
}

.ticket .url {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: .35rem 0 .2rem;
  overflow-wrap: anywhere;
}

.ticket .fine {
  color: var(--muted);
  font-size: .92rem;
  margin-bottom: .8rem;
}

.copy {
  background: transparent;
  border: 1px solid var(--line-strong);
  min-height: 2.4rem;
  padding: 0 .75rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: var(--pine);
}

.copy:hover { border-color: var(--pine); }

.layout {
  width: min(var(--max), calc(100% - 2rem));
  margin: .5rem auto 3rem;
  display: grid;
  gap: 2rem;
}

@media (min-width: 980px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: start;
  }

  .rail { position: sticky; top: calc(var(--header) + .8rem); }
}

.rail h2 {
  font-family: var(--sans);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 .4rem;
}

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

.toc a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  padding: .42rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}

.toc a[aria-current="true"] {
  color: var(--copper);
  font-weight: 700;
}

.prose h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-weight: 650;
  margin: 2.4rem 0 .7rem;
}

.prose h2 .num {
  display: block;
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 700;
  margin-bottom: .3rem;
}

.prose h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin: 1.5rem 0 .4rem;
  font-weight: 650;
}

.prose p { margin: 0 0 .95rem; }

.prose ul,
.prose ol { margin: 0 0 1rem; padding-inline-start: 1.2rem; }

.prose li { margin: .28rem 0; }

.prose li::marker { color: var(--copper); }

.lex {
  margin: 0 0 1.5rem;
  border-top: 1px solid var(--line-strong);
}

.lex div {
  display: grid;
  gap: .2rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 700px) {
  .lex div { grid-template-columns: 11.5rem minmax(0, 1fr); gap: 1rem; }
}

.lex dt {
  font-weight: 750;
  color: var(--pine);
}

.lex dd { margin: 0; color: var(--ink-soft); }

.table-wrap { overflow-x: auto; margin: 0 0 1.1rem; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--sheet);
  font-size: .98rem;
}

th,
td {
  text-align: start;
  padding: .7rem .75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--pine);
  color: #f6f0e4;
  font-weight: 650;
  font-size: .84rem;
  letter-spacing: .03em;
}

.note {
  background: var(--sheet);
  border-inline-start: 4px solid var(--copper);
  padding: .85rem 1rem;
  margin: 0 0 1.1rem;
}

.mid-cta {
  margin: 1.4rem 0 1.6rem;
  flex-wrap: wrap;
}

.faq { margin-top: 2.2rem; }

.faq h2 { margin-top: 0; }

details {
  border-top: 1px solid var(--line-strong);
  padding: .15rem 0;
}

details:last-of-type { border-bottom: 1px solid var(--line-strong); }

summary {
  cursor: pointer;
  font-weight: 700;
  padding: .85rem 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  color: var(--copper);
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1;
}

details[open] summary::after { content: "–"; }

details p {
  margin: 0 0 .95rem;
  color: var(--ink-soft);
}

.site-footer {
  background: var(--pine);
  color: #eadfce;
  padding: 2rem 0 2.4rem;
}

.site-footer a { color: #f6f0e4; }

.foot-grid {
  display: grid;
  gap: 1.2rem;
}

@media (min-width: 800px) {
  .foot-grid { grid-template-columns: 1.4fr .8fr; }
}

.site-footer h2 {
  font-family: var(--sans);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 .5rem;
}

.site-footer p { margin: 0 0 .7rem; color: #eadfce; }

.legal {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(243, 234, 220, .2);
  font-size: .88rem;
  color: #d9cbb8;
}

.dock {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 9;
  padding: .55rem .7rem calc(.55rem + env(safe-area-inset-bottom));
  background: rgba(247, 241, 228, .96);
  border-top: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
}

.dock .btn { flex: 1; }

@media (min-width: 900px) {
  .dock { display: none; }
}

.error-page {
  min-height: 70vh;
  display: grid;
  align-content: center;
  padding: 3rem 0 4rem;
}

.error-page h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }

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

@media print {
  .spine, .topbar, .site-header, .dock, .hero-cta, .mid-cta, .rail, .copy { display: none !important; }
  body { background: white; padding: 0; }
  .site-footer { background: white; color: black; }
  a { text-decoration: none; }
}