:root {
  --bg-deep:      #09090c;
  --bg-primary:   #0f1014;
  --bg-section:   #111318;
  --bg-card:      #16171d;
  --bg-card-alt:  #1c1d25;
  --accent:       #e8500a;
  --accent-str:   #f97316;
  --accent-dim:   rgba(249, 115, 22, 0.12);
  --accent-glow:  rgba(249, 115, 22, 0.20);
  --text-main:    #ffffff;
  --text-muted:   #ffffff;
  --text-dim:     #ffffff;
  --border:       rgba(255, 255, 255, 0.08);
  --border-med:   rgba(255, 255, 255, 0.13);
  --shadow:       0 24px 70px rgba(0, 0, 0, 0.40);
  --radius:       8px;
  --space-xs:     8px;
  --space-sm:     16px;
  --space-md:     24px;
  --space-lg:     48px;
  --space-xl:     96px;
  --container:    1200px;
  --font-display: "PT Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-mono:    "PT Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-body:    "PT Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }

:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.55);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* ── HEADER ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-md);
  align-items: center;
  min-height: 72px;
  padding: 12px clamp(16px, 3vw, 40px);
  border-bottom: 1px solid var(--border);
  background: rgba(9, 9, 12, 0.90);
  color: #ffffff;
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__logo {
  width: 70px;
  height: 70px;
  max-height: 70px;
  object-fit: contain;
}

.brand__text {
  display: grid;
  gap: 1px;
}

.brand__text strong {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand__text small {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.brand__text .brand__date {
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  color: #ffffff;
  font-size: 14px;
  letter-spacing: 0.01em;
}

.site-nav a,
.header-cta {
  text-decoration: none;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.site-nav a:hover { color: #ffffff; }

.header-cta {
  min-width: 136px;
  padding: 10px 20px;
  border: 1px solid var(--accent-str);
  border-radius: var(--radius);
  background: var(--accent-str);
  color: #ffffff;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 8px 28px rgba(249, 115, 22, 0.28);
}

.header-cta:hover {
  background: #ff8c38;
  border-color: #ff8c38;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #ffffff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ── HERO ── */

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--bg-deep);
  color: #ffffff;
}

.hero__media,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media {
  z-index: 0;
  pointer-events: none;
  user-select: none;
  background:
    linear-gradient(90deg, rgba(9, 9, 12, 0.30), rgba(9, 9, 12, 0.18)),
    url("ЗалКонференции.jpg") center / cover no-repeat;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* масштаб 1.10 обрезает края ~5% — скрывает вотермарку по углам */
  transform: scale(1.10);
  transform-origin: center center;
  display: block;
  pointer-events: none;
  user-select: none;
}

.hero__media.video-fallback .hero__video {
  opacity: 0;
}

.hero__overlay {
  z-index: 1;
  opacity: 0.70;
  background: #000000;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, var(--container));
  max-width: var(--container);
  margin-inline: auto;
  padding: 116px 0 38px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-str);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.12;
  text-transform: none;
}

.hero .eyebrow {
  max-width: none;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  line-height: 1.08;
}

.hero h1 {
  max-width: none;
  margin: 0;
  font-size: 52px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 980px;
  margin: 28px 0 0;
  color: #ffffff;
  font-size: 36px;
  line-height: 1.28;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
}

.hero__meta span,
.hero__meta a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid var(--border-med);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 14px;
  text-decoration: none;
}

.hero__meta a:hover {
  background: var(--accent-dim);
  border-color: rgba(249, 115, 22, 0.30);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
}

/* ── BUTTONS ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 28px;
  border: 0;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--accent-str);
  color: #ffffff;
  box-shadow: 0 16px 40px rgba(249, 115, 22, 0.28);
}

.btn--primary:hover {
  background: #ff8c38;
  box-shadow: 0 20px 48px rgba(249, 115, 22, 0.38);
}

.btn--secondary {
  border: 1px solid var(--border-med);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.09);
}

.hero__link {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.hero__link:hover { color: #ffffff; }

/* ── HERO STATS ── */

.hero__stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-bottom: 22px;
}

.hero__stats article {
  min-height: 120px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  background: rgba(9, 9, 12, 0.76);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.hero__stats strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-str);
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}

.hero__stats span {
  color: #ffffff;
  font-size: 16px;
}

/* ── SECTIONS ── */

.section {
  padding: var(--space-xl) 0;
  background: var(--bg-primary);
  color: var(--text-main);
}

.section--light {
  background: var(--bg-section);
}

.section--dark {
  background: var(--bg-deep);
}

.section__head {
  max-width: 780px;
  margin-bottom: 38px;
}

.section__head--wide { max-width: 920px; }

.section h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(26px, 3.6vw, 50px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

#why-title,
#history-title,
#gallery-title,
#speaker-contact-title {
  font-size: 42px;
}

.section--dark .eyebrow,
.section--dark h2 {
  font-weight: 800;
}

.section__head p:not(.eyebrow),
.lead-copy,
.expo p,
.registration__copy p,
.speaker-contact p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: var(--space-lg);
  align-items: start;
}

.lead-copy p:first-child { margin-top: 0; }

.market-visual {
  position: relative;
  min-height: 260px;
  margin-top: 44px;
  overflow: hidden;
  border: 1px solid rgba(249, 115, 22, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(249, 115, 22, 0.09), rgba(255, 255, 255, 0.03) 42%, rgba(9, 9, 12, 0.18)),
    var(--bg-card);
}

.market-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  opacity: 0.62;
}

.market-visual canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── BENEFIT CARDS ── */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.benefit-card {
  position: relative;
  min-height: 280px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.benefit-card:hover { border-color: var(--border-med); }

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-str);
}

.benefit-card__icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 36px;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent-str);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  border: 1px solid rgba(249, 115, 22, 0.18);
}

.benefit-card h3 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.benefit-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
}

/* ── AUDIENCE TAGS ── */

.audience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 500;
  font-size: 16px;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.audience-tags span:hover {
  border-color: rgba(249, 115, 22, 0.35);
  background: var(--accent-dim);
}

/* ── PROGRAM ── */

.program-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.program-tab {
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 700;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.program-tab:hover {
  border-color: var(--border-med);
  color: var(--text-main);
}

.program-tab.is-active {
  border-color: var(--accent-str);
  background: var(--accent-str);
  color: #ffffff;
}

.program-panel {
  scroll-margin-top: 96px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.program-panel + .program-panel { margin-top: 16px; }

.program-section #program-title,
.organizers #organizers-title {
  font-size: 42px;
}

.program-note {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ── SESSION ── */

.session {
  display: grid;
  grid-template-columns: 220px 1fr;
}

.session__time {
  padding: 32px 24px;
  border-right: 1px solid var(--border);
  background: var(--bg-card-alt);
  border-radius: var(--radius) 0 0 var(--radius);
}

.session__time span {
  display: block;
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.session__time small {
  display: block;
  margin-top: 8px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.session__body {
  min-width: 0;
  padding: 32px;
}

.session__format {
  margin: 0 0 10px;
  color: var(--accent-str);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0;
  text-transform: uppercase;
}

.session h3 {
  margin: 0;
  max-width: 860px;
  color: #ffffff;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.session h3 + p {
  margin-top: 10px;
}

.session__body > p:not(.session__format) {
  max-width: 880px;
  color: var(--text-muted);
  font-size: 16px;
}

/* ── ACCORDION ── */

.accordion-trigger {
  width: 100%;
  min-height: 64px;
  margin: 20px 0 0;
  padding: 0 18px 0 24px;
  border: 1px solid rgba(249, 115, 22, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(249, 115, 22, 0.12), rgba(255, 255, 255, 0.035)),
    var(--bg-card-alt);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 18px;
  font-weight: 700;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.accordion-trigger:hover {
  border-color: var(--accent-str);
  background:
    linear-gradient(90deg, rgba(249, 115, 22, 0.20), rgba(255, 255, 255, 0.06)),
    var(--bg-card-alt);
  box-shadow: 0 14px 36px rgba(249, 115, 22, 0.16);
  transform: translateY(-1px);
}

.accordion-trigger::after {
  content: "";
  display: block;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(249, 115, 22, 0.34);
  border-radius: 50%;
  background:
    linear-gradient(currentColor 0 0) center / 16px 2px no-repeat,
    linear-gradient(currentColor 0 0) center / 2px 16px no-repeat,
    rgba(249, 115, 22, 0.12);
  color: var(--accent-str);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.accordion-trigger:hover::after {
  background:
    linear-gradient(currentColor 0 0) center / 16px 2px no-repeat,
    linear-gradient(currentColor 0 0) center / 2px 16px no-repeat,
    var(--accent-str);
  color: #ffffff;
  transform: scale(1.08);
}

.accordion-trigger[aria-expanded="true"]::after {
  background:
    linear-gradient(currentColor 0 0) center / 16px 2px no-repeat,
    rgba(249, 115, 22, 0.12);
}

.accordion-trigger[aria-expanded="true"]:hover::after {
  background:
    linear-gradient(currentColor 0 0) center / 16px 2px no-repeat,
    var(--accent-str);
}

.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s ease;
}

.accordion-content.is-open { grid-template-rows: 1fr; }

.accordion-content ul {
  min-height: 0;
  margin: 0;
  padding: 0 0 0 22px;
  overflow: hidden;
}

.accordion-content li {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 16px;
}

/* ── INVITED SPEAKERS ── */

.invited-speakers {
  margin-top: 26px;
  padding: 22px 24px;
  border: 1px solid rgba(249, 115, 22, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(249, 115, 22, 0.14), rgba(255, 255, 255, 0.035)),
    var(--bg-card-alt);
}

.invited-speakers strong {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.invited-speakers p {
  max-width: 880px;
  margin: 0;
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

/* ── SPEAKER CARDS ── */

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.speaker-grid.compact {
  grid-template-columns: repeat(6, 1fr);
  margin-top: 28px;
}

.speaker-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card-alt);
  transition: border-color 0.18s ease;
}

.speaker-card:hover { border-color: var(--border-med); }

.speaker-card img {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  object-fit: cover;
}

.speaker-card--large img {
  width: 104px;
  height: 104px;
}

.speaker-card h3,
.speaker-card h4 {
  margin: 14px 0 5px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
}

.speaker-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
}

.speaker-card--representative h4 { font-size: 13px; }

/* ── EXPO ── */

.expo {
  background: var(--bg-deep);
  color: var(--text-main);
}

.expo__grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) minmax(280px, 0.85fr);
  gap: 28px;
  align-items: center;
}

.expo__brand-wrap {
  display: grid;
  gap: 14px;
  align-self: stretch;
}

.expo__brand {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.expo__brand img {
  width: 200px;
  max-height: 130px;
  object-fit: contain;
}

.expo h2 {
  margin: 0;
  color: var(--accent-str);
  font-size: 24px;
  font-weight: 500;
  text-align: left;
}

.expo p {
  color: var(--text-muted);
  font-size: 16px;
}

.expo p strong {
  color: var(--text-main);
  font-weight: 700;
}

.route-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.route-list span {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 16px;
  font-weight: 700;
}

/* ── HISTORY ── */

.history { background: var(--bg-primary); }

.history-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.history-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 188px;
  aspect-ratio: 1;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(249, 115, 22, 0.10), rgba(217, 68, 0, 0.07)),
    var(--bg-card);
  color: #ffffff;
  text-decoration: none;
  transition: border-color 0.22s ease;
}

.history-card:hover { border-color: rgba(249, 115, 22, 0.28); }

.history-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.36), transparent 40%);
  opacity: 0.70;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.history-card span,
.history-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  transition: transform 0.22s ease;
}

.history-card span {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.history-card p { display: none; }

.history-card:hover::before {
  transform: scale(1.18);
  opacity: 1;
}

.history-card:hover span { transform: scale(1.10); }

/* ── ATMOSPHERE ── */

.atmosphere {
  background: var(--bg-deep);
}

.atmosphere .eyebrow {
  font-weight: 500;
}

.atmosphere h2 {
  font-weight: 700;
}

.gallery-collage {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.gallery-collage__item {
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  aspect-ratio: 16 / 9;
}

.gallery-collage__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.32s ease, filter 0.32s ease;
}

.gallery-collage__item:hover img {
  filter: saturate(1.08);
  transform: scale(1.035);
}

/* ── REGISTRATION ── */

.registration {
  background: var(--bg-deep);
  color: var(--text-main);
  position: relative;
}

.registration::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 50%, rgba(249, 115, 22, 0.07), transparent 60%);
  pointer-events: none;
}

.registration__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 0.7fr);
  gap: var(--space-lg);
  align-items: start;
}

.registration__copy h2 {
  margin: 0;
  color: var(--accent-str);
  font-size: 46px;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0;
}

.registration__copy p {
  color: var(--text-muted);
  font-size: 18px;
}

.registration__note {
  display: grid;
  gap: 6px;
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.registration__note strong {
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
}

.registration__note span {
  color: var(--text-muted);
  font-size: 18px;
}

/* ── FORM ── */

.form {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.form.is-success {
  min-height: 420px;
  overflow: hidden;
}

.form__step {
  display: none;
  gap: 14px;
}

.form__step.is-active {
  display: grid;
}

.form__row { display: grid; gap: 7px; }

.form label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.form .checkbox {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  clip-path: none;
  white-space: normal;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.form input[type="text"],
.form input[type="email"],
.form input[type="tel"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-main);
  transition: border-color 0.18s ease;
}

.form input::placeholder {
  color: #ffffff;
  opacity: 1;
}

.form input[type="text"]:focus,
.form input[type="email"]:focus,
.form input[type="tel"]:focus {
  border-color: rgba(249, 115, 22, 0.45);
  outline: none;
}

.form input.is-invalid { border-color: #dc2626; }

.form__error {
  min-height: 18px;
  color: #f87171;
  font-size: 12px;
  font-family: var(--font-mono);
}

.form__error--submit {
  min-height: 0;
  margin: 0;
}

.form__error--submit:empty {
  display: none;
}

.checkbox {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.45;
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--accent-str);
}

.checkbox a { color: var(--accent-str); }

.form__next,
.form__submit {
  width: 100%;
}

.form__actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
}

.form__back {
  border: 1px solid #656870;
  background: transparent;
  color: #ffffff;
  box-shadow: none;
}

.form__back:hover {
  background: rgba(101, 104, 112, 0.10);
  box-shadow: none;
}

.form__success {
  margin: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  padding: 28px 22px;
  border-radius: var(--radius);
  background: #ffffff;
  border: 1px solid #ffffff;
  color: #000000;
  text-align: center;
  font-weight: 700;
  font-size: 18px;
}

.form.is-success .form__success {
  position: absolute;
  inset: 0;
  min-height: 100%;
  border-radius: inherit;
}

.form__success[hidden] {
  display: none;
}

.form__success span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #16a34a;
  color: #ffffff;
  font-size: 30px;
  line-height: 1;
}

.form__success p {
  margin: 0;
}

/* ── SPEAKER CONTACT ── */

.speaker-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-lg);
  align-items: center;
}

.speaker-contact__inner h2 { color: #ffffff; }

.speaker-contact .eyebrow {
  color: var(--accent-str);
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.speaker-contact p {
  font-size: 18px;
}

/* ── ORGANIZERS ── */

.organizers-list { display: grid; gap: 16px; }

.organizer-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: border-color 0.18s ease;
}

.organizer-card:hover { border-color: var(--border-med); }

.organizer-card__logo {
  display: grid;
  place-items: center;
  min-height: 140px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card-alt);
}

.organizer-card__logo img {
  max-width: 190px;
  max-height: 92px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.organizer-card h3 {
  margin: 0 0 10px;
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.organizer-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
}

/* ── CONTACT CARD ── */

.contact-card {
  display: grid;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.contact-card strong {
  color: #ffffff;
  font-size: 16px;
  font-weight: 400;
}

.contact-card strong span {
  display: block;
  margin-top: 4px;
  color: var(--accent-str);
  font-weight: 700;
}

.contact-card a {
  color: var(--accent-str);
  text-decoration: none;
  font-weight: 400;
}

.contact-card .btn {
  font-weight: 700;
}

/* ── FOOTER ── */

.footer {
  padding: 15px 0;
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.footer strong { color: #ffffff; }
.footer p { margin: 8px 0 0; }

.footer__top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--accent-str);
  border-radius: var(--radius);
  background: var(--accent-str);
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 12px 34px rgba(249, 115, 22, 0.30);
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.footer__top:hover {
  border-color: #ff8c38;
  background: #ff8c38;
  color: #ffffff;
  box-shadow: 0 16px 42px rgba(249, 115, 22, 0.42);
  transform: translateY(-1px);
}

.footer nav { display: grid; gap: 8px; }

.footer a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.footer a.footer__top {
  color: #ffffff;
  font-weight: 700;
}

.footer a.footer__top:hover {
  color: #ffffff;
}

.footer a:hover { color: var(--text-main); }

.footer__logos {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.footer__apm {
  width: 240px;
  max-height: 90px;
  object-fit: contain;
}

.footer__imperia {
  width: 240px;
  max-height: 90px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

/* ── MOBILE CTA ── */

.mobile-cta { display: none; }

/* ── COOKIE BANNER ── */

.cookie-banner {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 110;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: min(720px, calc(100% - 40px));
  padding: 18px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius);
  background: rgba(9, 9, 12, 0.97);
  color: #ffffff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; font-size: 14px; }
.cookie-banner a { color: var(--text-main); text-decoration: underline; text-underline-offset: 3px; }
.cookie-banner strong { font-weight: 400; }

.cookie-banner__button {
  min-height: 42px;
  padding: 10px 18px;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent-str);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
}

/* ── RESPONSIVE ── */

@media (max-width: 1100px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .history-grid { grid-template-columns: repeat(3, 1fr); }
  .speaker-grid.compact { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .section { padding: 72px 0; }

  .site-header { grid-template-columns: auto auto; }

  .brand__logo {
    width: 70px;
    height: 70px;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav {
    position: fixed;
    inset: 72px 0 auto;
    display: grid;
    gap: 0;
    padding: 8px 16px 18px;
    background: rgba(9, 9, 12, 0.99);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transform: translateY(-120%);
    transition: transform 0.24s ease;
  }

  .site-nav.is-open { transform: translateY(0); }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
  }

  .header-cta { display: none; }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { min-height: auto; }
  .hero__content {
    padding-top: 96px;
    padding-bottom: 30px;
  }

  .hero .eyebrow { font-size: 30px; }
  .hero h1 { font-size: 48px; }
  .hero__lead {
    max-width: 820px;
    margin-top: 22px;
    font-size: 28px;
  }

  .hero__actions { margin-top: 28px; }

  .hero__stats article {
    min-height: auto;
    padding: 18px 20px;
  }
}

@media (max-height: 720px) and (min-width: 621px) {
  .hero { min-height: auto; }

  .hero__content {
    padding-top: 72px;
    padding-bottom: 24px;
  }

  .hero .eyebrow { font-size: 28px; }
  .hero h1 { font-size: 44px; }
  .hero__lead {
    margin-top: 18px;
    font-size: 24px;
  }

  .hero__meta { margin-top: 22px; }
  .hero__actions { margin-top: 24px; }

  .hero__stats {
    padding-bottom: 16px;
  }

  .hero__stats article {
    min-height: auto;
    padding: 16px 18px;
  }
}

@media (max-width: 860px) {
  .site-header { grid-template-columns: auto auto; }
  .brand__logo {
    width: 70px;
    height: 70px;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav {
    position: fixed;
    inset: 72px 0 auto;
    display: grid;
    gap: 0;
    padding: 8px 16px 18px;
    background: rgba(9, 9, 12, 0.99);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transform: translateY(-120%);
    transition: transform 0.24s ease;
  }

  .site-nav.is-open { transform: translateY(0); }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
  }

  .header-cta { display: none; }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero__content { padding-top: 86px; }
  .hero .eyebrow { font-size: 30px; }
  .hero h1 { font-size: 42px; }
  .hero__lead { font-size: 24px; }

  .hero__stats,
  .split,
  .expo__grid,
  .registration__grid,
  .speaker-contact__inner,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .organizer-card { grid-template-columns: 180px minmax(0, 1fr); }
  .program-tabs { grid-template-columns: repeat(2, 1fr); }
  .session { grid-template-columns: 1fr; }

  .session__time {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .registration__grid { grid-template-columns: minmax(0, 1fr); }

  .gallery-collage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .history-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__logos { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 24px, var(--container)); }
  .section { padding: 58px 0; }
  .hero { min-height: auto; }
  .hero__content {
    width: min(100% - 24px, var(--container));
    padding-bottom: 24px;
  }
  .eyebrow { font-size: 20px; }
  .hero .eyebrow { font-size: 24px; }
  .hero h1 {
    max-width: 100%;
    font-size: 28px;
    line-height: 1.08;
    word-break: break-word;
  }
  .hero__lead {
    font-size: 19px;
    word-break: break-word;
  }
  .hero__meta {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero__meta span,
  .hero__meta a {
    max-width: 100%;
  }
  .market-visual {
    min-height: 220px;
    margin-top: 30px;
  }

  .hero__stats,
  .benefits-grid,
  .program-tabs,
  .speaker-grid,
  .speaker-grid.compact,
  .route-list,
  .history-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card { min-height: auto; }
  .benefit-card__icon { margin-bottom: 18px; }
  .gallery-collage {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .session__body,
  .session__time,
  .form {
    padding: 20px;
  }

  .form__actions { grid-template-columns: 1fr; }

  .organizer-card {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .organizer-card__logo { min-height: 110px; }

  .footer__logos {
    flex-wrap: wrap;
    gap: 14px;
  }

  .footer__apm,
  .footer__imperia {
    width: min(210px, 100%);
  }

  .cookie-banner {
    right: 12px;
    bottom: 82px;
    grid-template-columns: 1fr;
    width: calc(100% - 24px);
  }

  .mobile-cta {
    position: sticky;
    bottom: 0;
    z-index: 40;
    display: block;
    padding: 10px 12px;
    background: rgba(9, 9, 12, 0.95);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
  }

  .mobile-cta .btn { width: 100%; }

}