@import url("./tokens.css");

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: 10rem;
}

body {
  margin: 0;
  background: var(--brand-surface);
  color: var(--brand-ink);
  font-family: var(--font-body-zh);
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.nav-open,
body.lightbox-open {
  overflow: hidden;
}

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

svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display-zh);
  font-weight: 600;
  line-height: 1.18;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

table {
  border-collapse: collapse;
  width: 100%;
}

.container {
  width: min(calc(100% - var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.reading-width {
  width: min(calc(100% - var(--gutter) * 2), var(--reading));
  margin-inline: auto;
}

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 200;
  padding: 0.8rem 1.1rem;
  background: var(--brand-white);
  color: var(--brand-secondary);
  border: 2px solid var(--brand-primary);
}

:focus-visible {
  outline: 3px solid var(--brand-primary);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: -118px;
  z-index: var(--header-layer);
  color: var(--brand-white);
  background: rgba(85, 16, 30, 0.96);
  border-top: 4px solid var(--brand-primary);
  transition:
    background-color var(--motion-medium) var(--ease),
    box-shadow var(--motion-medium) var(--ease);
}

.site-header.is-scrolled {
  background: var(--brand-secondary);
  box-shadow: 0 16px 38px rgba(33, 16, 22, 0.22);
}

.utility-bar {
  border-bottom: 1px solid rgba(255, 254, 249, 0.16);
  background: var(--brand-deep);
}

.utility-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.78rem;
}

.utility-inner p {
  margin: 0;
  color: rgba(255, 254, 249, 0.72);
}

.utility-links,
.language-switcher {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.utility-links a,
.language-switcher a {
  color: rgba(255, 254, 249, 0.8);
  white-space: nowrap;
}

.utility-links a:hover,
.utility-links a:focus-visible,
.language-switcher a:hover,
.language-switcher a:focus-visible,
.language-switcher a[aria-current="true"] {
  color: var(--brand-primary);
}

.brand-row {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.site-brand img {
  width: clamp(300px, 33vw, 460px);
  max-height: 76px;
  object-fit: contain;
  object-position: left center;
}

.brand-context {
  max-width: 27rem;
  margin: 0;
  color: rgba(255, 254, 249, 0.72);
  font-family: var(--font-display-latin);
  font-size: 0.75rem;
  letter-spacing: 0.075em;
  text-align: right;
}

.nav-shell {
  border-top: 1px solid rgba(255, 254, 249, 0.14);
  border-bottom: 1px solid rgba(255, 254, 249, 0.18);
  background: rgba(59, 28, 27, 0.62);
}

.nav-row {
  min-height: 54px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1.25rem;
}

.primary-nav {
  flex: 1;
}

.primary-nav > ul {
  min-height: 54px;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, auto));
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(0.55rem, 1.2vw, 1.25rem);
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: stretch;
  min-width: 0;
}

.nav-link {
  position: relative;
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0;
  font-size: 0.9rem;
  line-height: 1.15;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--brand-primary);
  box-shadow: 0 -4px 0 rgba(219, 162, 61, 0.42);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-fast) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--brand-primary);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.submenu-toggle {
  width: 28px;
  min-height: 44px;
  align-self: center;
  border: 0;
  color: rgba(255, 254, 249, 0.72);
  background: transparent;
}

.submenu-toggle::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--motion-fast) var(--ease);
}

.submenu-toggle[aria-expanded="true"]::before {
  transform: translateY(2px) rotate(225deg);
}

.mega-menu {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  width: min(40rem, calc(100vw - 2rem));
  display: grid;
  grid-template-columns: minmax(9rem, 0.8fr) minmax(16rem, 1.4fr);
  gap: 0;
  padding: 0;
  color: var(--brand-ink);
  background: var(--brand-white);
  border-top: 3px solid var(--brand-primary);
  box-shadow: var(--shadow-menu);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition:
    opacity var(--motion-fast) ease,
    transform var(--motion-fast) var(--ease),
    visibility var(--motion-fast);
}

.mega-menu > div {
  padding: 1.65rem;
  background:
    linear-gradient(145deg, rgba(232, 221, 198, 0.62), rgba(255, 254, 249, 0.92));
}

.nav-item:nth-last-child(-n + 3) .mega-menu {
  right: 0;
  left: auto;
  transform: translate(0, 8px);
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu,
.nav-item.is-open .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.nav-item:nth-last-child(-n + 3):hover .mega-menu,
.nav-item:nth-last-child(-n + 3):focus-within .mega-menu,
.nav-item:nth-last-child(-n + 3).is-open .mega-menu {
  transform: translate(0, 0);
}

.mega-menu strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--brand-secondary);
  font-family: var(--font-display-zh);
  font-size: 1.3rem;
}

.mega-menu p {
  margin-bottom: 0;
  color: var(--brand-muted);
  font-size: 0.88rem;
}

.mega-menu ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  align-content: center;
  padding: 1.25rem 1.5rem;
  border-top: 0;
}

.mega-menu li {
  border-bottom: 1px solid rgba(33, 33, 33, 0.14);
}

.mega-menu a {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0.65rem 0.35rem;
  border-left: 2px solid transparent;
  transition:
    color var(--motion-fast),
    padding var(--motion-fast) var(--ease),
    border-color var(--motion-fast);
}

.mega-menu a:hover,
.mega-menu a:focus-visible {
  padding-left: 0.65rem;
  color: var(--brand-accent);
  border-left-color: var(--brand-primary);
}

.mobile-menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 254, 249, 0.35);
  background: transparent;
  transition:
    background var(--motion-fast),
    border-color var(--motion-fast),
    transform var(--motion-fast) var(--ease);
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus-visible {
  border-color: var(--brand-primary);
  background: rgba(255, 254, 249, 0.08);
}

.mobile-menu-toggle span:not(.sr-only) {
  width: 22px;
  height: 1px;
  display: block;
  margin: 4px auto;
  background: var(--brand-white);
  transition: transform var(--motion-fast) var(--ease), opacity var(--motion-fast);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

main {
  min-height: 45vh;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(700px, calc(100svh - 176px));
  overflow: hidden;
  color: var(--brand-white);
  background:
    radial-gradient(circle at 78% 35%, rgba(219, 162, 61, 0.18), transparent 28%),
    linear-gradient(118deg, var(--brand-stage) 0%, #55101e 58%, #451420 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.34;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 72px,
      rgba(216, 181, 120, 0.34) 73px,
      transparent 74px,
      transparent 82px
    );
  transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0);
  transition: transform var(--motion-slow) var(--ease);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(20, 15, 25, 0.28));
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-atmosphere,
.hero-score-lines,
.hero-foreground {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-atmosphere {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(36, 23, 34, 0.96) 0%, rgba(85, 16, 30, 0.68) 54%, rgba(36, 23, 34, 0.76) 100%),
    url("../images/news-china-russia-concert-20260401.jpg") 78% 48% / cover no-repeat;
  transform: translate3d(var(--hero-x-soft, 0), var(--hero-y-soft, 0), 0) scale(1.025);
  transform-origin: 72% 50%;
}

.hero-score-lines {
  z-index: -2;
  opacity: 0.34;
  background:
    linear-gradient(105deg, transparent 8%, rgba(219, 162, 61, 0.14) 8.2%, transparent 8.5% 82%, rgba(219, 162, 61, 0.12) 82.2%, transparent 82.5%),
    repeating-linear-gradient(to bottom, transparent 0 72px, rgba(216, 181, 120, 0.22) 73px, transparent 74px 82px);
  transform: translate3d(var(--hero-x-opposite, 0), var(--hero-y-opposite, 0), 0);
}

.hero-foreground {
  z-index: 1;
  background:
    radial-gradient(circle at 92% 18%, rgba(219, 162, 61, 0.17), transparent 7%),
    radial-gradient(circle at 68% 88%, rgba(255, 254, 249, 0.1), transparent 9%);
  filter: blur(2px);
  transform: translate3d(var(--hero-x-front, 0), var(--hero-y-front, 0), 0);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-atmosphere {
    animation: stage-breathe var(--motion-drift) ease-in-out infinite alternate;
  }
}

@keyframes stage-breathe {
  from {
    transform: translate3d(var(--hero-x-soft, 0), var(--hero-y-soft, 0), 0) scale(1.025);
  }
  to {
    transform: translate3d(var(--hero-x-soft, 0), var(--hero-y-soft, 0), 0) scale(1.055);
  }
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) and (min-width: 801px) {
    .hero-score-lines {
      animation: hero-scroll-shift linear both;
      animation-timeline: scroll(root block);
      animation-range: 0 720px;
    }
  }
}

@keyframes hero-scroll-shift {
  from {
    opacity: 0.34;
    transform: translate3d(0, 0, 0);
  }
  to {
    opacity: 0.2;
    transform: translate3d(0, 18px, 0);
  }
}

.hero-grid {
  position: relative;
  z-index: 2;
  min-height: inherit;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(21rem, 0.68fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6.5rem);
  padding-block: clamp(2.75rem, 5vw, 5.5rem);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 54rem;
  min-width: 0;
}

.hero-eyebrow {
  margin-bottom: 1rem;
  color: var(--brand-primary);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 12em;
  margin-bottom: 1.35rem;
  font-size: clamp(3rem, 4.55vw, 4.25rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.035em;
}

[lang="ru"] .hero h1 {
  max-width: 15em;
  font-size: clamp(2.5rem, 3.75vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.026em;
}

[lang="en"] .hero h1 {
  max-width: 15em;
  font-size: clamp(2.6rem, 3.95vw, 4.15rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero-lede {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: rgba(255, 254, 249, 0.82);
  font-size: clamp(1rem, 1.35vw, 1.14rem);
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  position: relative;
  overflow: hidden;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
  transition:
    background var(--motion-fast),
    color var(--motion-fast),
    border-color var(--motion-fast),
    transform var(--motion-fast) var(--ease);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  color: var(--brand-deep);
  background: var(--brand-primary);
}

.button-primary::after {
  content: "";
  position: absolute;
  inset: -40% auto -40% -35%;
  width: 28%;
  background: linear-gradient(90deg, transparent, rgba(255, 254, 249, 0.55), transparent);
  transform: translateX(-220%) rotate(12deg);
  transition: transform 520ms var(--ease);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #e7b45a;
}

.button-primary:hover::after,
.button-primary:focus-visible::after {
  transform: translateX(560%) rotate(12deg);
}

.button-secondary {
  color: var(--brand-secondary);
  background: transparent;
  border-color: var(--brand-secondary);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--brand-white);
  background: var(--brand-secondary);
}

.button-ghost {
  color: var(--brand-white);
  border-color: rgba(255, 254, 249, 0.55);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  color: var(--brand-deep);
  background: var(--brand-white);
  border-color: var(--brand-white);
}

.hero-visual {
  position: relative;
  min-height: 410px;
  display: grid;
  place-items: center;
}

.hero-mark {
  width: min(100%, 430px);
  height: auto;
  filter: saturate(0.94);
  transform: translate3d(var(--hero-x-mark, 0), var(--hero-y-mark, 0), 0);
  transition: transform var(--motion-slow) var(--ease);
}

.hero-score-card {
  position: absolute;
  right: 0;
  bottom: 1rem;
  width: min(85%, 23rem);
  padding: 1.3rem 1.4rem;
  background: rgba(36, 23, 34, 0.94);
  border-top: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-stage);
  transition:
    border-color var(--motion-fast),
    transform var(--motion-medium) var(--ease),
    box-shadow var(--motion-medium);
}

.hero-score-card:hover,
.hero-score-card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 24px 56px rgba(33, 33, 33, 0.28);
}

.hero-score-card p {
  margin-bottom: 0.35rem;
  color: var(--brand-primary);
  font-size: 0.78rem;
}

.hero-score-card strong {
  display: block;
  margin-bottom: 0.65rem;
  font-family: var(--font-display-zh);
  font-size: 1.35rem;
  line-height: 1.3;
}

.hero-score-card a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: rgba(255, 254, 249, 0.86);
  text-decoration: underline;
  text-decoration-color: var(--brand-primary);
  text-underline-offset: 0.3rem;
}

.section {
  padding-block: var(--space-section);
}

.section-compact {
  padding-block: var(--space-section-compact);
}

.surface-paper {
  background: var(--brand-white);
}

.surface-tint {
  background: linear-gradient(180deg, rgba(232, 221, 198, 0.52), rgba(244, 244, 241, 0.1));
}

.section-heading {
  max-width: 52rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-heading h2 {
  margin-bottom: 1rem;
  color: var(--brand-secondary);
  font-size: clamp(2.1rem, 3.75vw, 3.7rem);
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

.section-heading p {
  max-width: 46rem;
  margin-bottom: 0;
  color: var(--brand-muted);
}

.section-kicker {
  margin-bottom: 0.6rem;
  color: var(--brand-accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-index {
  color: var(--brand-primary);
  font-family: var(--font-number);
  font-size: 0.86rem;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--brand-secondary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--brand-primary);
  text-underline-offset: 0.35rem;
  transition:
    color var(--motion-fast),
    transform var(--motion-fast) var(--ease),
    text-decoration-color var(--motion-fast);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--brand-accent);
  transform: translateX(2px);
  text-decoration-color: currentColor;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 5.6vw, 5.4rem);
  color: var(--brand-white);
  background:
    radial-gradient(circle at 82% 50%, rgba(219, 162, 61, 0.18), transparent 24%),
    linear-gradient(110deg, var(--brand-deep), var(--brand-secondary));
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 6%;
  width: min(25vw, 300px);
  aspect-ratio: 1;
  background: url("../brand/logo-mark-gold.png") center / contain no-repeat;
  opacity: 0.18;
  transform: translateY(-50%);
}

.breadcrumbs {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  padding: 0;
  margin: 0 0 1.5rem;
  list-style: none;
  color: rgba(255, 254, 249, 0.75);
  font-size: 0.85rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.7rem;
  color: var(--brand-primary);
}

.page-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 56rem;
}

.page-hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 4.6vw, 4.8rem);
  font-weight: 500;
  line-height: 1.07;
}

[lang="ru"] .page-hero h1,
[lang="en"] .page-hero h1 {
  max-width: 20ch;
  font-size: clamp(2.35rem, 4.2vw, 4.5rem);
}

.page-hero p {
  max-width: 46rem;
  margin-bottom: 0;
  color: rgba(255, 254, 249, 0.78);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
}

.site-footer {
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  color: rgba(255, 254, 249, 0.82);
  background: var(--brand-deep);
  border-top: 4px solid var(--brand-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 1.3fr) minmax(12rem, 0.7fr) minmax(12rem, 0.7fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding-bottom: 3rem;
}

.footer-brand img {
  width: min(100%, 390px);
  max-height: 118px;
  object-fit: contain;
  object-position: left center;
}

.footer-intro {
  max-width: 36rem;
  margin: 1.25rem 0 0;
  color: rgba(255, 254, 249, 0.65);
}

.footer-column strong {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--brand-primary);
  font-family: var(--font-display-zh);
  font-size: 1.05rem;
}

.footer-column ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-column li + li {
  margin-top: 0.55rem;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--brand-primary);
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

.footer-bottom {
  padding-block: 1rem;
  border-top: 1px solid rgba(255, 254, 249, 0.14);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  font-size: 0.76rem;
}

.footer-bottom p {
  margin: 0;
}

.back-to-top {
  position: fixed;
  z-index: 40;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brand-primary);
  border-radius: var(--radius-control);
  color: var(--brand-white);
  background: var(--brand-secondary);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity var(--motion-fast),
    visibility var(--motion-fast),
    transform var(--motion-fast) var(--ease);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--motion-slow) ease,
    transform var(--motion-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

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

.no-js-only {
  display: block;
}

.js .no-js-only {
  display: none;
}