/* ============================================
   XIX Медицинская диагностика — landing
   Adaptive / cross-browser layout
   ============================================ */

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

body {
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  appearance: none;
  -webkit-appearance: none;
}

button {
  cursor: pointer;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Design tokens --- */
:root {
  --primary: #3f469e;
  --primary-soft: #9ea2d1;
  --primary-mid: #6b72b8;
  --btn-soft: #b598ee;
  --text: #1c1c1c;
  --text-muted: #4a4a4a;
  --bg: #ffffff;
  --bg-muted: #f6f6f6;
  --bg-footer: #d8d8d8;
  --border: #e8e8e8;
  --white: #ffffff;
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --radius-pill: 999px;
  --container: 1180px;
  --header-h: 78px;
  --shadow-card: 0 8px 28px rgba(63, 70, 158, 0.08);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.35s var(--ease);
  --transition-slow: 0.35s var(--ease);
  --overlay-blue: linear-gradient(
    180deg,
    rgba(63, 70, 158, 0) 35%,
    rgba(63, 70, 158, 0.28) 58%,
    rgba(63, 70, 158, 0.62) 82%,
    rgba(63, 70, 158, 0.88) 100%
  );
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 80px);
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

.section {
  padding: 48px 0;
}

.section__title {
  color: var(--primary);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  -webkit-filter: blur(8px);
  filter: blur(8px);
  -webkit-transition: opacity 0.85s var(--ease), -webkit-filter 0.85s var(--ease);
  transition: opacity 0.85s var(--ease), filter 0.85s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  -webkit-filter: none;
  filter: none;
}

/* --- Placeholders (replace with real assets) --- */
.placeholder {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: rgba(63, 70, 158, 0.55);
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(63, 70, 158, 0.04),
      rgba(63, 70, 158, 0.04) 8px,
      rgba(63, 70, 158, 0.08) 8px,
      rgba(63, 70, 158, 0.08) 16px
    );
  border: 1px dashed rgba(63, 70, 158, 0.35);
  border-radius: 12px;
}

.placeholder--logo {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.55);
  color: rgba(255, 255, 255, 0.9);
}

.placeholder--hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  border: none;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  background:
    radial-gradient(ellipse at 75% 35%, rgba(239, 85, 97, 0.55) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 70%, rgba(120, 90, 200, 0.45) 0%, transparent 40%),
    radial-gradient(ellipse at 20% 80%, rgba(180, 190, 255, 0.5) 0%, transparent 45%),
    linear-gradient(135deg, #9ea2d1 0%, #b8a8d8 40%, #c9b8e8 70%, #9ea2d1 100%);
}

.placeholder--vdnh {
  width: 72px;
  height: 48px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  color: rgba(255, 255, 255, 0.85);
  font-size: 9px;
}

.placeholder--partner {
  width: 88px;
  height: 44px;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  color: rgba(255, 255, 255, 0.8);
  font-size: 9px;
}

.placeholder--icon-lg {
  width: 120px;
  height: 120px;
  border-radius: 20px;
  margin-top: auto;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  color: rgba(255, 255, 255, 0.85);
}

.placeholder--arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(63, 70, 158, 0.35);
  background: transparent;
  color: var(--primary);
  font-size: 18px;
  line-height: 1;
}

.placeholder--photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  border: none;
  background:
    linear-gradient(180deg, #e8e9f2 0%, #3f469e 100%);
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}

.placeholder--mosaic {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  border: none;
  background: #c5c8dc;
  color: rgba(63, 70, 158, 0.7);
}

.placeholder--plus {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  background: #d8d8d8;
  border: none;
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
}

.placeholder--pin {
  width: 18px;
  height: 18px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  padding: 0;
}

.placeholder--map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  border: 1px dashed rgba(63, 70, 158, 0.3);
  background: #d8d8d8;
  color: rgba(63, 70, 158, 0.65);
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
}

.placeholder--social {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: none;
  background: #fff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

/* --- Buttons --- */
.btn {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 32px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition), opacity var(--transition), filter var(--transition);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition), opacity var(--transition), filter var(--transition);
}

.btn:hover {
  filter: brightness(1.04);
}

.btn:active {
  filter: brightness(0.96);
  -webkit-transition-duration: 0.2s;
  transition-duration: 0.2s;
}

.btn--glass {
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  min-height: 42px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.42);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12), 0 8px 24px rgba(63, 70, 158, 0.2);
  filter: none;
}

.btn--primary {
  color: #fff;
  background: var(--primary);
}

.btn--primary:hover {
  background: #343b8a;
  box-shadow: 0 0 0 4px rgba(63, 70, 158, 0.16), 0 10px 28px rgba(63, 70, 158, 0.28);
  filter: none;
}

.btn--soft {
  color: #fff;
  background: var(--btn-soft);
}

.btn--soft:hover {
  background: #a486e4;
  box-shadow: 0 0 0 4px rgba(181, 152, 238, 0.22), 0 10px 28px rgba(181, 152, 238, 0.35);
  filter: none;
}

.btn--outline {
  color: var(--primary);
  background: transparent;
  border: 1.5px solid var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(63, 70, 158, 0.12);
  filter: none;
}

.btn--block {
  width: 100%;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  height: var(--header-h);
  background: transparent;
  -webkit-transition: background var(--transition), box-shadow var(--transition), -webkit-backdrop-filter var(--transition);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.header.is-scrolled {
  background: rgba(28, 32, 88, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 8px 28px rgba(20, 24, 60, 0.18);
}

.header.is-open {
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  box-shadow: none;
}

.header__inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.header__logo {
  -ms-flex-negative: 0;
  flex-shrink: 0;
  display: block;
  width: 42px;
  height: 42px;
  -webkit-transition: opacity var(--transition);
  transition: opacity var(--transition);
}

.header__logo img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
  object-fit: contain;
}

.header__logo:hover {
  opacity: 0.8;
}


.nav {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.nav__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 8px 22px;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.nav__link {
  position: relative;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0.9;
  -webkit-transition: opacity var(--transition);
  transition: opacity var(--transition);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1.5px;
  background: #fff;
  border-radius: 2px;
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -webkit-transform-origin: left center;
  transform-origin: left center;
  -webkit-transition: -webkit-transform var(--transition);
  transition: transform var(--transition);
}

.nav__link:hover {
  opacity: 1;
  text-decoration: none;
}

.nav__link:hover::after {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
}

.header__actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 16px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.header__lang {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  -webkit-transition: opacity var(--transition);
  transition: opacity var(--transition);
}

.header__lang:hover {
  opacity: 0.75;
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 6px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  -webkit-transition: -webkit-transform var(--transition), opacity var(--transition);
  transition: transform var(--transition), opacity var(--transition);
}

.header.is-open .burger span:nth-child(1) {
  -webkit-transform: translateY(8px) rotate(45deg);
  transform: translateY(8px) rotate(45deg);
}

.header.is-open .burger span:nth-child(2) {
  opacity: 0;
}

.header.is-open .burger span:nth-child(3) {
  -webkit-transform: translateY(-8px) rotate(-45deg);
  transform: translateY(-8px) rotate(-45deg);
}

.nav__item--mobile {
  display: none;
  width: 100%;
  margin-top: 12px;
}

.nav__register {
  width: 100%;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(16, 18, 48, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  -webkit-transition: opacity 0.35s var(--ease);
  transition: opacity 0.35s var(--ease);
}

.nav-overlay:not([hidden]) {
  opacity: 1;
}

.nav-overlay[hidden] {
  display: none !important;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 720px;
  padding: calc(var(--header-h) + 48px) 0 56px;
  color: #fff;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: bottom right;
  object-position: bottom right;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    -webkit-linear-gradient(left, rgba(18, 22, 58, 0.62) 0%, rgba(18, 22, 58, 0.38) 38%, rgba(18, 22, 58, 0.18) 68%, rgba(18, 22, 58, 0.1) 100%),
    -webkit-linear-gradient(top, rgba(18, 22, 58, 0.5) 0%, rgba(18, 22, 58, 0.12) 22%, transparent 45%, transparent 62%, rgba(18, 22, 58, 0.28) 82%, rgba(18, 22, 58, 0.48) 100%);
  background:
    linear-gradient(90deg, rgba(18, 22, 58, 0.62) 0%, rgba(18, 22, 58, 0.38) 38%, rgba(18, 22, 58, 0.18) 68%, rgba(18, 22, 58, 0.1) 100%),
    linear-gradient(180deg, rgba(18, 22, 58, 0.5) 0%, rgba(18, 22, 58, 0.12) 22%, transparent 45%, transparent 62%, rgba(18, 22, 58, 0.28) 82%, rgba(18, 22, 58, 0.48) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 560px;
}

.hero__title-block {
  max-width: 720px;
  margin-top: 24px;
}

.hero__edition {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 8px;
}

.hero__num {
  font-size: clamp(64px, 8vw, 110px);
  font-weight: 300;
  line-height: 0.85;
  letter-spacing: -0.03em;
}

.hero__subtitle {
  padding-top: 10px;
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 400;
  line-height: 1.35;
  max-width: 280px;
}

.hero__title {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.hero__date {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 2px;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  line-height: 1.25;
}

.hero__date-row strong {
  font-weight: 700;
}

.hero__bottom {
  margin-top: auto;
  padding-top: 64px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: flex-end;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 32px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.hero__venue {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: flex-end;
  -ms-flex-align: flex-end;
  align-items: flex-end;
  gap: 16px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
}

.hero__venue p {
  font-size: 28px;
  font-weight: 300;
}

.hero__vdnh {
  display: block;
  width: 90px;
  height: auto;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.hero__partners {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 20px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.hero__partners img {
  display: block;
  height: 44px;
  width: auto;
  max-width: 110px;
  -o-object-fit: contain;
  object-fit: contain;
}

/* --- Events --- */
.events {
  padding-top: 40px;
  padding-bottom: 24px;
}

.events__grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 20px 1fr 20px 1fr 20px 1fr;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.event-card {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 280px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-muted);
  border: 1px solid rgba(63, 70, 158, 0.08);
  box-shadow: none;
  -webkit-transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
  transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

a.event-card:hover {
  background: #fff;
  border-color: rgba(63, 70, 158, 0.16);
  box-shadow: 0 12px 32px rgba(63, 70, 158, 0.1);
}

a.event-card:hover .event-card__name {
  color: var(--primary);
}

a.event-card:hover .event-card__arrow {
  background: var(--primary);
  border-color: var(--primary);
}

a.event-card:hover .event-card__arrow::before {
  border-color: #fff;
}

.event-card--accent {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.event-card__icon {
  display: block;
  width: 110px;
  height: auto;
  margin-top: auto;
  -ms-flex-item-align: start;
  align-self: flex-start;
}

.event-card__heading {
  font-size: clamp(26px, 2.2vw, 34px);
  font-weight: 700;
  line-height: 1.15;
}

.event-card__text {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 24px;
}

.event-card__footer {
  margin-top: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
  -ms-flex-align: end;
  align-items: flex-end;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 12px;
}

.event-card__name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  max-width: 70%;
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.event-card__arrow {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  border: 1.5px solid var(--primary);
  border-radius: 50%;
  background: #fff;
  -webkit-transition: background var(--transition), border-color var(--transition);
  transition: background var(--transition), border-color var(--transition);
}

.event-card__arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 1.5px solid var(--primary);
  border-right: 1.5px solid var(--primary);
  -webkit-transform: translate(-60%, -50%) rotate(45deg);
  transform: translate(-60%, -50%) rotate(45deg);
  -webkit-transition: border-color var(--transition);
  transition: border-color var(--transition);
}

/* --- Welcome --- */
.welcome {
  padding-top: 56px;
  padding-bottom: 32px;
}

.welcome__grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 64px 0.9fr;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px 64px;
  -webkit-box-align: stretch;
  -ms-flex-align: stretch;
  align-items: stretch;
}

.welcome__text p {
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1.7;
  letter-spacing: 0.005em;
}

.welcome__text .btn {
  margin-top: 16px;
}

/* --- Greeting modal --- */
.greeting-modal {
  position: fixed;
  inset: 0;
  z-index: 4100;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 24px 16px;
  background: rgba(18, 22, 58, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  -webkit-transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}

.greeting-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.greeting-modal__dialog {
  position: relative;
  width: 680px;
  max-width: 100%;
  max-height: min(86vh, 760px);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  padding: 32px 28px 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(20, 24, 60, 0.28);
  overflow: hidden;
}

.greeting-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--primary);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  -webkit-transition: background var(--transition), color var(--transition);
  transition: background var(--transition), color var(--transition);
}

.greeting-modal__close:hover {
  background: rgba(63, 70, 158, 0.08);
}

.greeting-modal__title {
  color: var(--primary);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 8px;
  padding-right: 36px;
}

.greeting-modal__author {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 20px;
}

.greeting-modal__body {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 8px;
  -webkit-overflow-scrolling: touch;
}

.greeting-modal__body p {
  margin-bottom: 14px;
  color: #3a3a3a;
  font-size: 16px;
  line-height: 1.7;
}

.greeting-modal__body a {
  color: var(--primary);
  text-decoration: underline;
}

.greeting-modal__sign {
  margin-top: 8px;
  margin-bottom: 0 !important;
  color: var(--primary) !important;
  font-weight: 600;
}

.welcome__photo {
  position: relative;
  min-height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, #e8e9f2 0%, #3f469e 100%);
}

.welcome__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--overlay-blue);
  opacity: 1;
  -webkit-transition: opacity var(--transition-slow);
  transition: opacity var(--transition-slow);
}

.welcome__photo img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: center top;
  object-position: center top;
  -webkit-transition: -webkit-filter var(--transition-slow);
  transition: filter var(--transition-slow);
}

.welcome__photo:hover img {
  -webkit-filter: saturate(1.1) brightness(1.03);
  filter: saturate(1.1) brightness(1.03);
}

.welcome__photo:hover::after {
  opacity: 0.88;
}

.welcome__caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  max-width: 260px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(232, 234, 245, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(63, 70, 158, 0.12);
}

.welcome__caption strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 6px;
}

.welcome__caption span {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

/* --- Stats --- */
.stats {
  padding-top: 24px;
  padding-bottom: 24px;
}

.stats__card {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 0.85fr 48px 1.15fr;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px 48px;
  -webkit-box-align: flex-start;
  -ms-flex-align: flex-start;
  align-items: flex-start;
  padding: 48px 56px;
  background: var(--bg-muted);
  border-radius: var(--radius-lg);
}

.stats__title {
  color: var(--primary);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.stats__grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 1fr;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.stats__item {
  padding: 8px 28px 24px 0;
  border-bottom: 1px solid #ddd;
}

.stats__item:nth-child(even) {
  padding-left: 28px;
  padding-right: 0;
  border-left: 1px solid #ddd;
}

.stats__item:nth-child(n + 3) {
  border-bottom: none;
  padding-top: 24px;
  padding-bottom: 8px;
}

.stats__num {
  display: block;
  font-size: clamp(48px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  min-width: 1.2em;
}

.stats__num.is-counting,
.stats__num.is-animated {
  color: var(--primary);
}

.stats__label {
  display: block;
  font-size: 17px;
  font-weight: 400;
  color: #8a8a8a;
  letter-spacing: 0.01em;
}

/* --- Exhibition --- */
.exhibition {
  padding-top: 40px;
  padding-bottom: 40px;
}

.exhibition__grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1.1fr 48px 0.9fr;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px 48px;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: start;
}

.exhibition__mosaic {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 14px 1fr;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  -ms-grid-rows: auto auto;
  grid-template-rows: auto auto;
}

.mosaic__cell {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 200px;
  aspect-ratio: 1 / 1;
}

.mosaic__title {
  background: var(--primary);
  color: #fff;
  padding: 28px 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  aspect-ratio: 1 / 1;
  min-height: 0;
}

.mosaic__title h2 {
  font-size: clamp(28px, 2.6vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.mosaic__icon {
  display: block;
  width: clamp(72px, 18%, 110px);
  height: auto;
  margin-top: auto;
}

.mosaic__img {
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: box-shadow var(--transition);
  transition: box-shadow var(--transition);
}

.mosaic__img::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: var(--overlay-blue);
  opacity: 0.85;
  -webkit-transition: opacity var(--transition-slow);
  transition: opacity var(--transition-slow);
}

.mosaic__img:hover {
  box-shadow: 0 0 0 3px rgba(63, 70, 158, 0.28), 0 12px 28px rgba(63, 70, 158, 0.14);
}

.mosaic__img:hover::after {
  opacity: 0.7;
}

.mosaic__img img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -webkit-transition: -webkit-filter var(--transition-slow);
  transition: filter var(--transition-slow);
}

.mosaic__img:hover img {
  -webkit-filter: saturate(1.1) brightness(1.04);
  filter: saturate(1.1) brightness(1.04);
}

.mosaic__cell--top {
  min-height: 0;
}

.mosaic__cell--wide {
  -ms-grid-column: 1 / span 2;
  grid-column: 1 / -1;
  aspect-ratio: 1.35 / 1;
  min-height: 260px;
}

.exhibition__content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
  padding-top: 4px;
}

.exhibition__heading {
  color: var(--primary);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}

.exhibition__content p {
  margin-bottom: 16px;
  color: #3a3a3a;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
}

.exhibition__content strong {
  color: #1c1c1c;
  font-weight: 700;
}

.exhibition__content .btn {
  margin-top: 20px;
  -ms-flex-item-align: start;
  align-self: flex-start;
}

/* --- Organizers --- */
.organizers {
  padding-top: 24px;
  padding-bottom: 48px;
}

.organizers__list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 48px 1fr;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  border-top: 1px solid var(--border);
}

.organizers__list li {
  position: relative;
  padding: 18px 0 18px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text-muted);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.organizers__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-soft);
  -webkit-transition: background var(--transition), -webkit-transform var(--transition);
  transition: background var(--transition), transform var(--transition);
}

.organizers__list li:hover {
  color: var(--primary);
}

.organizers__list li:hover::before {
  background: var(--primary);
  -webkit-transform: scale(1.25);
  transform: scale(1.25);
}

/* --- Contacts --- */
.contacts {
  padding-top: 16px;
  padding-bottom: 24px;
}

.contacts__grid {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 16px 1fr 16px 1fr 16px 1fr;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.contact-card {
  min-height: 320px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-muted);
  box-shadow: var(--shadow-card);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-transition: box-shadow var(--transition), background var(--transition);
  transition: box-shadow var(--transition), background var(--transition);
}

.contact-card:not(.contact-card--accent):hover {
  background: #fff;
  box-shadow: 0 0 0 2px rgba(63, 70, 158, 0.18), 0 14px 32px rgba(63, 70, 158, 0.12);
}

.contact-card:not(.contact-card--accent):hover .contact-card__name {
  color: var(--primary);
}

.contact-card:not(.contact-card--accent):hover .contact-card__icon {
  opacity: 0.85;
}

.contact-card--accent {
  background: var(--primary);
  color: #fff;
  box-shadow: none;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.contact-card__heading {
  font-size: clamp(26px, 2.4vw, 34px);
  font-weight: 700;
  line-height: 1.15;
}

.contact-card__icon-lg {
  width: 110px;
  height: auto;
  margin-top: auto;
  -ms-flex-item-align: start;
  align-self: flex-start;
}

.contact-card__header {
  margin-bottom: 20px;
}

.contact-card__role {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-muted);
}

.contact-card__name {
  font-size: clamp(17px, 1.5vw, 19px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.contact-card__name + .contact-card__role {
  margin-top: 4px;
}

.contact-card__role + .contact-card__name {
  margin-top: 4px;
}

.contact-card__list {
  margin-top: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 14px;
}

.contact-card__list li {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
}

.contact-card__icon {
  width: 22px;
  height: 22px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  margin-top: 1px;
  -o-object-fit: contain;
  object-fit: contain;
  -webkit-transition: opacity var(--transition);
  transition: opacity var(--transition);
}

.contact-card__list a {
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  word-break: break-word;
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.contact-card__list a:hover {
  color: var(--primary);
}

.contact-card__phones {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 6px;
}

/* --- Venue --- */
.venue {
  padding-top: 24px;
  padding-bottom: 24px;
}

.venue__card {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: stretch;
  -ms-flex-align: stretch;
  align-items: stretch;
  min-height: 400px;
  padding: 48px 44px;
  background: var(--bg-muted);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.venue__info {
  position: relative;
  z-index: 2;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 28px;
  width: min(460px, 48%);
  max-width: 100%;
}

.venue__title {
  color: var(--primary);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

.venue__meta {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: flex-end;
  -ms-flex-align: flex-end;
  align-items: flex-end;
  gap: 30px;
}

.venue__address {
  color: var(--primary);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}

.venue__logo {
  display: block;
  width: 82px;
  height: auto;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.venue__actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 12px;
  margin-top: auto;
}

.venue__actions .btn {
  min-width: 240px;
}

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

.venue__visual img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  width: auto;
  max-width: none;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: right center;
  object-position: right center;
}

/* --- Subscribe --- */
.subscribe {
  padding-top: 24px;
  padding-bottom: 40px;
}

.subscribe__card {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 64px 0.85fr;
  grid-template-columns: 1.1fr 0.9fr;
  -ms-grid-rows: auto auto;
  grid-template-rows: auto auto;
  gap: 40px 64px;
  padding: 52px 60px;
  background: var(--primary);
  border-radius: var(--radius-lg);
  color: #fff;
}

.subscribe__info {
  -ms-grid-column: 1;
  grid-column: 1;
  -ms-grid-row: 1;
  grid-row: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 100%;
}

.subscribe__title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.subscribe__lead {
  font-size: 17px;
  font-weight: 400;
  opacity: 0.88;
  margin-bottom: 24px;
  line-height: 1.55;
}

.subscribe__socials {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 10px;
  -ms-flex-wrap: nowrap;
  flex-wrap: nowrap;
  margin-bottom: 0;
}

.social {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  opacity: 0.88;
  -webkit-transition: opacity var(--transition), filter var(--transition);
  transition: opacity var(--transition), filter var(--transition);
}

.social img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
  object-fit: contain;
}

.social:hover {
  opacity: 1;
  filter: brightness(1.1);
}

.subscribe__note {
  margin-top: auto;
  padding-top: 28px;
  font-size: 14px;
  font-weight: 400;
  opacity: 0.7;
  max-width: 360px;
  line-height: 1.55;
}

.subscribe__form {
  display: contents;
}

.subscribe__fields {
  -ms-grid-column: 2;
  grid-column: 2;
  -ms-grid-row: 1;
  grid-row: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 12px;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  position: relative;
}

.field {
  width: 100%;
  min-height: 54px;
  padding: 16px 26px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  border: none;
  box-shadow: none;
  -webkit-transition: box-shadow var(--transition), background var(--transition);
  transition: box-shadow var(--transition), background var(--transition);
}

.field:focus {
  outline: none;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35);
}

.field::-webkit-input-placeholder {
  color: #9a9a9a;
}

.field::-moz-placeholder {
  color: #9a9a9a;
  opacity: 1;
}

.field:-ms-input-placeholder {
  color: #9a9a9a;
}

.field::placeholder {
  color: #9a9a9a;
}

.field.err,
.field.err::-webkit-input-placeholder {
  box-shadow: 0 0 0 1.5px #e74c3c !important;
  color: #e74c3c;
}

.field.err::-moz-placeholder {
  color: #e74c3c;
  opacity: 1;
}

.field.err::placeholder {
  color: #e74c3c;
}

.field--topics {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding-right: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  text-align: left;
  cursor: pointer;
}

.field--topics:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.8);
}

.field--topics:focus,
.show-topics:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.28);
}

.show-topics__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.field__chevron {
  position: absolute;
  right: 22px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  -webkit-transform: translateY(-70%) rotate(45deg);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.subscribe__form .subscribe-form-item__btn {
  cursor: pointer;
  border: none;
  font-family: inherit;
  min-height: 57px;
}

/* Topics modal */
.modal-list {
  position: fixed;
  inset: 0;
  background: rgba(20, 24, 60, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-transition: opacity 0.25s var(--ease), visibility 0.25s var(--ease);
  transition: opacity 0.25s var(--ease), visibility 0.25s var(--ease);
  z-index: 4000;
  padding: 24px 16px;
}

.modal-list.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-list-window {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  width: 500px;
  max-width: 95vw;
  max-height: min(80vh, 640px);
  padding: 24px 24px 20px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(63, 70, 158, 0.2);
  box-shadow: 0 20px 60px rgba(20, 24, 60, 0.25);
  color: var(--text);
  overflow: hidden;
}

.modal-list-title {
  -ms-flex-negative: 0;
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  padding-bottom: 12px;
  letter-spacing: -0.02em;
}

.subscribe-form-item-list {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 4px 12px 12px 4px;
  list-style: none;
  -webkit-overflow-scrolling: touch;
}

.subscribe-form-item-list::-webkit-scrollbar {
  width: 5px;
  border-radius: 2px;
}

.subscribe-form-item-list::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 2px;
}

.subscribe-form-item-list::-webkit-scrollbar-thumb {
  background: var(--primary-soft);
  border-radius: 2px;
}

.subscribe-form-item-list li {
  padding: 6px 4px 6px 0;
}

.alert-warning {
  display: none;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  padding: 8px 12px;
  color: #c0392b;
  border-radius: 8px;
  background-color: #fff3cd;
  border: 1px solid #e74c3c;
  margin-top: 12px;
  font-size: 14px;
}

.alert-warning.active {
  display: block;
}

.modal-list__btn {
  -ms-flex-negative: 0;
  flex-shrink: 0;
  background: var(--primary);
  border-radius: var(--radius-pill);
  color: #fff;
  border: none;
  display: block;
  width: 200px;
  max-width: 100%;
  min-height: 48px;
  margin: 16px auto 0;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  -webkit-transition: background var(--transition);
  transition: background var(--transition);
}

.modal-list__btn:hover {
  background: #343b8a;
}

/* Custom checkboxes */
.subscribe .checkbox,
.modal-list .checkbox {
  position: relative;
}

.subscribe .custom-checkbox,
.modal-list .custom-checkbox {
  position: absolute;
  z-index: -1;
  opacity: 0;
}

.subscribe .custom-checkbox + label,
.modal-list .custom-checkbox + label {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: var(--text);
  font-size: 16px;
  line-height: 1.4;
  cursor: pointer;
}

.subscribe .custom-checkbox + label::before,
.modal-list .custom-checkbox + label::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 18px;
  -ms-flex: 0 0 auto;
  flex: 0 0 auto;
  border: 1px solid #adb5bd;
  border-radius: 4px;
  margin-right: 10px;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 60% 60%;
}

.subscribe .custom-checkbox.err + label::before,
.modal-list .custom-checkbox.err + label::before {
  border: 1px solid #e74c3c;
}

.subscribe .custom-checkbox:checked + label::before,
.modal-list .custom-checkbox:checked + label::before {
  border-color: var(--primary);
  background-color: var(--primary);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3e%3c/svg%3e");
}

/* Agreement — full width of subscribe card */
.checkbox-soglashenie {
  -ms-grid-column: 1;
  -ms-grid-column-span: 2;
  grid-column: 1 / -1;
  -ms-grid-row: 2;
  grid-row: 2;
  width: 100%;
  max-width: 100%;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  -webkit-transition: opacity 0.25s ease, max-height 0.35s ease, margin 0.25s ease;
  transition: opacity 0.25s ease, max-height 0.35s ease, margin 0.25s ease;
}

.checkbox-soglashenie.active {
  opacity: 1;
  max-height: none;
  overflow: visible;
  margin-top: -16px;
}

.subscribe .checkbox-soglashenie .custom-checkbox + .checkbox-label {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  max-width: 100%;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
}

.subscribe .checkbox-soglashenie .checkbox-label span {
  -webkit-box-flex: 1;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  min-width: 0;
  color: #fff;
}

.subscribe .checkbox-soglashenie .checkbox-label::before {
  margin-top: 2px;
  border-color: rgba(255, 255, 255, 0.7);
  background-color: transparent;
}

.subscribe .checkbox-soglashenie .custom-checkbox:checked + .checkbox-label::before {
  border-color: #fff;
  background-color: var(--btn-soft);
}

.subscribe .checkbox-soglashenie a {
  color: #fff;
  text-decoration: underline;
  font-weight: 700;
}

.subscribe .checkbox-soglashenie a:hover {
  opacity: 0.85;
}

/* --- Footer --- */
.footer {
  background: var(--bg-footer);
  padding: 22px 0;
}

.footer__inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
}

.footer__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  -webkit-transition: color var(--transition);
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--primary);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1200px) {
  .contacts__grid {
    -ms-grid-columns: 1fr 16px 1fr;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1100px) {
  .nav__list {
    gap: 6px 14px;
  }

  .nav__link {
    font-size: 12px;
  }

  .events__grid {
    -ms-grid-columns: 1fr 16px 1fr;
    grid-template-columns: 1fr 1fr;
  }

  .stats__card,
  .subscribe__card {
    padding: 36px 32px;
  }

  .venue__card {
    padding: 40px 36px;
    min-height: 360px;
  }

  .venue__info {
    width: min(400px, 52%);
  }
}

@media (max-width: 960px) {
  .burger {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: relative;
    z-index: 130;
  }

  .header__register {
    display: none;
  }

  .nav__item--mobile {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(340px, 88vw);
    height: 100vh;
    height: 100dvh;
    background: var(--primary);
    padding: 100px 28px calc(40px + env(safe-area-inset-bottom, 0px));
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-transform: translateX(105%);
    transform: translateX(105%);
    -webkit-transition: -webkit-transform 0.4s var(--ease);
    transition: transform 0.4s var(--ease);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.28);
    z-index: 125;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .header.is-open .nav {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }

  .header.is-open .burger span {
    background: #fff;
  }

  .nav__list {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
  }

  .nav__list > li {
    width: 100%;
  }

  .nav__link {
    display: block;
    width: 100%;
    font-size: 17px;
    font-weight: 600;
    padding: 12px 0;
    opacity: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav__link::after {
    display: none;
  }

  .nav__item--mobile {
    margin-top: 20px;
    border-bottom: none;
  }

  .nav__register {
    text-align: center;
  }

  .welcome__grid,
  .exhibition__grid,
  .stats__card,
  .subscribe__card {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .venue__card {
    min-height: 0;
    padding: 36px 28px 280px;
  }

  .venue__info {
    width: 100%;
    max-width: 420px;
  }

  .venue__visual img {
    height: 50%;
    top: auto;
    bottom: 0;
    right: -8%;
  }

  .subscribe__info,
  .subscribe__fields,
  .checkbox-soglashenie {
    -ms-grid-column: 1;
    grid-column: 1;
  }

  .subscribe__info {
    -ms-grid-row: 1;
    grid-row: 1;
  }

  .subscribe__fields {
    -ms-grid-row: 2;
    grid-row: 2;
  }

  .checkbox-soglashenie {
    -ms-grid-row: 3;
    grid-row: 3;
  }

  .checkbox-soglashenie.active {
    margin-top: 0;
  }

  .welcome__photo {
    min-height: 420px;
    max-width: 480px;
  }

  .contact-card--accent {
    min-height: 200px;
  }

  .contact-card__icon-lg {
    width: 90px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-h: 64px;
  }

  .contacts__grid {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }

  .contact-card {
    min-height: 0;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section {
    padding: 36px 0;
  }

  .hero {
    min-height: 640px;
    padding: calc(var(--header-h) + 36px) 0 40px;
  }

  .hero__content {
    min-height: 520px;
  }

  .hero__edition {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 8px;
  }

  .hero__subtitle {
    max-width: none;
    padding-top: 0;
  }

  .hero__bottom {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    gap: 24px;
  }

  .events__grid {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }

  .event-card {
    min-height: 220px;
  }

  .event-card--accent {
    min-height: 200px;
  }

  .stats__card,
  .subscribe__card {
    padding: 28px 20px;
  }

  .venue__card {
    padding: 28px 20px 220px;
  }

  .venue__meta {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }

  .venue__actions .btn {
    min-width: 0;
    width: 100%;
  }

  .stats__grid {
    gap: 20px 24px;
  }

  .stats__num {
    font-size: 40px;
  }

  .exhibition__mosaic {
    -ms-grid-columns: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    -ms-grid-rows: auto auto;
    grid-template-rows: auto auto;
    height: auto;
  }

  .organizers__list {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .mosaic__title,
  .mosaic__cell--top {
    min-height: 0;
  }

  .mosaic__cell--wide {
    min-height: 200px;
    aspect-ratio: 1.4 / 1;
  }

  .footer__inner {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .btn {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .hero__partners {
    gap: 10px;
  }

  .placeholder--partner {
    width: 72px;
    height: 36px;
  }

  .exhibition__mosaic {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }

  .mosaic__cell--wide {
    -ms-grid-column: 1;
    grid-column: 1;
  }

  .stats__grid {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }

  .stats__item,
  .stats__item:nth-child(even),
  .stats__item:nth-child(n + 3) {
    border-left: none;
    border-bottom: 1px solid #ddd;
    padding: 0 0 16px;
  }

  .stats__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .subscribe__socials {
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  }

  .welcome__caption {
    left: 12px;
    right: 12px;
    max-width: none;
  }
}

/* Reduced motion: keep soft color/shadow hovers, skip large motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    -webkit-animation-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    -webkit-animation-iteration-count: 1 !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    -webkit-filter: none;
    filter: none;
    -webkit-transition: none;
    transition: none;
  }
}

/* --- Inner pages (policy etc.) --- */
.page-inner {
  background: var(--bg);
}

.page-inner .header {
  background: rgba(28, 32, 88, 0.92);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 8px 28px rgba(20, 24, 60, 0.18);
}

.page-inner .header.is-open {
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  box-shadow: none;
}

.policy {
  padding: calc(var(--header-h) + 40px) 0 64px;
}

.policy__inner {
  max-width: 860px;
}

.policy__crumbs {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.policy__crumbs a {
  color: var(--primary);
  font-weight: 500;
  -webkit-transition: opacity var(--transition);
  transition: opacity var(--transition);
}

.policy__crumbs a:hover {
  opacity: 0.75;
}

.policy__title {
  color: var(--primary);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 32px;
}

.policy__content {
  color: #3a3a3a;
  font-size: 16px;
  line-height: 1.7;
}

.policy__section {
  margin-bottom: 36px;
}

.policy__section h2 {
  color: var(--primary);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 16px;
}

.policy__section h3 {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  margin: 22px 0 12px;
}

.policy__content p {
  margin-bottom: 12px;
}

.policy__content ul,
.policy__content ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.policy__content li {
  margin-bottom: 8px;
}

.policy__content strong {
  color: var(--text);
  font-weight: 700;
}

.policy__source {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-muted);
}

.policy__source a {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 720px) {
  .policy {
    padding-top: calc(var(--header-h) + 28px);
    padding-bottom: 48px;
  }

  .policy__content {
    font-size: 15px;
  }
}

/* Print */
@media print {
  .header,
  .burger,
  .subscribe,
  .btn {
    display: none !important;
  }

  .hero {
    color: #000;
    min-height: 0;
  }

  .placeholder--hero-bg {
    background: #eee !important;
  }
}