:root {
  --bg: #06111d;
  --bg-soft: #0b1d31;
  --panel: rgba(10, 27, 45, 0.72);
  --panel-strong: rgba(11, 31, 52, 0.92);
  --card: rgba(14, 36, 58, 0.9);
  --card-soft: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #eef5ff;
  --muted: #bfd0e4;
  --muted-strong: #d8e3f1;
  --blue: #2f7cd8;
  --blue-soft: #4aa1ff;
  --gold: #f0bc4e;
  --gold-soft: #ffd87b;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.22);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(53, 110, 181, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(240, 188, 78, 0.11), transparent 30%),
    linear-gradient(180deg, #07121f 0%, #081423 44%, #06111d 100%);
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.ambient {
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -1;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.45;
}

.ambient-one {
  width: 320px;
  height: 320px;
  top: 96px;
  left: -60px;
  background: rgba(41, 104, 180, 0.5);
  animation: drift-one 20s ease-in-out infinite;
}

.ambient-two {
  width: 360px;
  height: 360px;
  top: 420px;
  right: -120px;
  background: rgba(240, 188, 78, 0.4);
  animation: drift-two 24s ease-in-out infinite;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(6, 17, 29, 0.82), rgba(6, 17, 29, 0.56));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--gold));
  color: white;
  box-shadow: 0 12px 28px rgba(45, 106, 180, 0.22);
}

.brand-text {
  color: var(--muted-strong);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex: 1 1 auto;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.98rem;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.language-switch {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
}

.lang-btn {
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-strong);
  font-weight: 800;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.lang-btn[aria-pressed="true"] {
  background: linear-gradient(135deg, rgba(47, 124, 216, 0.92), rgba(240, 188, 78, 0.92));
  color: #06111d;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: center;
  padding: 72px 0 28px;
}

.hero-copy {
  position: relative;
}

.eyebrow,
.section-kicker,
.countdown-kicker,
.venue-card-label {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-soft);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

#heroBadge {
  font-size: clamp(0.96rem, 1.4vw, 1.1rem);
  margin-bottom: 16px;
}

.hero-title,
#heroTitle {
  margin: 0;
  font-size: clamp(2.35rem, 4.7vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-lead {
  margin: 22px 0 0;
  color: var(--muted-strong);
  font-size: clamp(1.12rem, 1.8vw, 1.34rem);
  line-height: 1.65;
  max-width: 62ch;
}

.hero-support {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 62ch;
}

.hero-actions,
.speaker-actions,
.venue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.hero-mini {
  margin: 18px 0 0;
  color: #d4e2f2;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.btn-primary {
  color: #081423;
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  box-shadow: 0 18px 36px rgba(240, 188, 78, 0.22);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-soft);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 18px;
}

.hero-illustration-card,
.countdown-card,
.form-shell,
.attend-panel,
.venue-shell,
.speaker-photo-panel,
.speaker-copy,
.fact-card,
.highlight-card,
.reason-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-illustration-card {
  padding: 18px;
}

.hero-illustration {
  width: 100%;
  height: auto;
  border-radius: 22px;
  transform: translateY(0px);
  animation: float-card 8s ease-in-out infinite;
}

.countdown-card {
  padding: 20px 22px;
  background:
    linear-gradient(135deg, rgba(240, 188, 78, 0.14), rgba(47, 124, 216, 0.12)),
    rgba(10, 27, 45, 0.85);
  backdrop-filter: blur(12px);
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.count-unit {
  padding: 16px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.count-unit strong {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.count-unit span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 700;
}

.countdown-note {
  margin: 14px 0 0;
  color: var(--muted-strong);
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 8px 0 18px;
}

.fact-card {
  padding: 20px 18px;
  min-height: 150px;
}

.fact-icon,
.highlight-icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(47, 124, 216, 0.22), rgba(240, 188, 78, 0.22));
  font-size: 1.35rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.fact-card h3,
.highlight-card h3,
.venue-card h3 {
  margin: 16px 0 10px;
  font-size: 1.06rem;
  line-height: 1.25;
}

.fact-card p,
.highlight-card p,
.reason-card p,
.section-intro,
.speaker-bio,
.speaker-focus,
.venue-points li,
.register-note,
#footerText,
#locationCardText {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.section {
  padding: 36px 0 34px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-head.compact {
  margin-bottom: 18px;
}

.section-head h2,
#speakerTitle,
#venueTitle,
#registerTitle,
#aboutTitle,
#attendTitle {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.section-intro {
  margin-top: 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.highlight-card {
  padding: 22px;
  min-height: 250px;
}

.highlight-card p {
  margin-top: 10px;
}

.attend-panel {
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(47, 124, 216, 0.12), rgba(240, 188, 78, 0.08)),
    rgba(11, 30, 50, 0.84);
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.reason-card {
  padding: 18px;
  min-height: 118px;
}

.reason-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.speaker-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.speaker-photo-panel,
.speaker-copy {
  padding: 22px;
}

.speaker-photo-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.speaker-photo-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(47, 124, 216, 0.16), rgba(240, 188, 78, 0.16));
  min-height: 360px;
}

.speaker-photo-wrap::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(240, 188, 78, 0.32), rgba(240, 188, 78, 0));
  filter: blur(20px);
}

.speaker-photo-wrap img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: center top;
}

.speaker-tag {
  display: inline-flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted-strong);
  font-weight: 700;
  line-height: 1.4;
}

.speaker-name {
  margin: 10px 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--muted-strong);
}

.speaker-name span {
  color: var(--gold-soft);
}

.speaker-focus {
  margin-top: 14px;
}

.venue-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 20px;
  padding: 26px;
}

.venue-copy {
  min-width: 0;
}

.venue-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.venue-points li {
  position: relative;
  padding-left: 20px;
}

.venue-points li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-soft), var(--gold));
}

.venue-card {
  position: relative;
  min-height: 300px;
  border-radius: 28px;
  background: #071321;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  isolation: isolate;
}

.venue-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.venue-card-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 17, 29, 0.12) 0%, rgba(6, 17, 29, 0.34) 45%, rgba(6, 17, 29, 0.86) 100%),
    radial-gradient(circle at top right, rgba(240, 188, 78, 0.24), transparent 34%),
    radial-gradient(circle at bottom left, rgba(47, 124, 216, 0.22), transparent 42%);
  z-index: 1;
}

.venue-card::before {
  content: "";
  position: absolute;
  inset: auto -15% -25% auto;
  width: 300px;
  height: 300px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(240, 188, 78, 0.18), rgba(240, 188, 78, 0));
  z-index: 2;
}

.venue-card::after {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 3;
}

.venue-card-inner {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  padding: 28px;
}

.venue-glow {
  position: absolute;
  inset: 22px 22px auto auto;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(240, 188, 78, 0.62), rgba(240, 188, 78, 0));
  filter: blur(12px);
  z-index: 4;
}

.register-note {
  display: inline-flex;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(240, 188, 78, 0.12);
  border: 1px solid rgba(240, 188, 78, 0.16);
}

.register-closed-message {
  padding: 26px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(47, 124, 216, 0.12), rgba(240, 188, 78, 0.08)),
    rgba(11, 30, 50, 0.84);
  box-shadow: var(--shadow);
}

.register-closed-message h3 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.15;
}

.register-closed-message p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.form-shell {
  padding: 12px;
}

.form-shell iframe {
  width: 100%;
  min-height: 1935px;
  border: 0;
  border-radius: 20px;
  background: white;
}

.site-footer {
  padding: 42px 0 54px;
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  margin: 0 0 10px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.back-to-top {
  color: var(--muted-strong);
  font-weight: 800;
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 720ms ease, transform 720ms ease;
}

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

.hero-copy.reveal,
.hero-visual.reveal {
  opacity: 1;
  transform: none;
}

.fact-card::before,
.highlight-card::before,
.reason-card::before,
.speaker-photo-panel::before,
.speaker-copy::before,
.venue-shell::before,
.form-shell::before,
.attend-panel::before,
.hero-illustration-card::before,
.countdown-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 35%, rgba(255, 255, 255, 0.06) 50%, transparent 65%);
  transform: translateX(-120%);
  animation: sheen 9s linear infinite;
  pointer-events: none;
}

@keyframes drift-one {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(55px, 22px, 0) scale(1.06);
  }
}

@keyframes drift-two {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-40px, -26px, 0) scale(1.08);
  }
}

@keyframes float-card {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes sheen {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(180%);
  }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .fact-strip,
  .card-grid,
  .reason-grid,
  .speaker-layout,
  .venue-shell {
    grid-template-columns: 1fr 1fr;
  }

  .speaker-layout {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  }
}

@media (max-width: 820px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 2px;
  }

  .fact-strip,
  .card-grid,
  .reason-grid,
  .speaker-layout,
  .venue-shell {
    grid-template-columns: 1fr;
  }

  .speaker-layout {
    gap: 18px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-lead,
  .hero-support {
    max-width: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  :root {
    --container: min(1180px, calc(100vw - 26px));
  }

  .site-header {
    position: sticky;
  }

  .topbar {
    gap: 12px;
  }

  .brand {
    width: 100%;
    justify-content: center;
  }

  .language-switch {
    margin-inline: auto;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.94rem;
  }

  .hero {
    gap: 22px;
    padding-top: 38px;
  }

  .hero-actions,
  .speaker-actions,
  .venue-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .countdown-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .count-unit {
    padding: 14px 8px;
  }

  .fact-card,
  .highlight-card,
  .reason-card,
  .speaker-photo-panel,
  .speaker-copy,
  .attend-panel,
  .venue-shell,
  .hero-illustration-card,
  .countdown-card,
  .form-shell {
    border-radius: 22px;
  }

  .venue-card {
    min-height: 240px;
  }

  .form-shell iframe {
    min-height: 1500px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}