:root {
  --bg-main: #070d1f;
  --bg-panel: rgba(12, 22, 42, 0.52);
  --bg-panel-strong: rgba(10, 20, 40, 0.7);
  --line-soft: rgba(255, 255, 255, 0.18);
  --text-main: #f8f9ff;
  --text-muted: rgba(235, 239, 255, 0.75);
  --accent: #8be9fd;
  --accent-strong: #67b7ff;
  --shadow-main: 0 16px 42px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at 25% 20%, #1c3f79 0%, var(--bg-main) 50%);
  color: var(--text-main);
  font-family: "Segoe UI", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  padding: 24px;
  position: relative;
}

.ambient-glow {
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.ambient-glow-left {
  animation: floatGlow 12s ease-in-out infinite;
  background: #3f8ff4;
  height: 360px;
  left: -100px;
  top: -50px;
  width: 360px;
}

.ambient-glow-right {
  animation: floatGlow 14s ease-in-out infinite reverse;
  background: #7f5bff;
  bottom: -120px;
  height: 420px;
  right: -80px;
  width: 420px;
}

.glass {
  backdrop-filter: blur(18px);
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-main);
}

.top-header {
  align-items: center;
  border-radius: 20px;
  display: flex;
  justify-content: space-between;
  margin: 0 auto 24px;
  max-width: 1200px;
  padding: 18px 22px;
}

.logo-wrap {
  align-items: center;
  display: flex;
  gap: 14px;
}

.ey-logo {
  width: 72px;
}

.ey-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-title {
  font-size: clamp(1.15rem, 2.4vw, 1.65rem);
  font-weight: 700;
}

.header-note {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.page-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0 auto;
  max-width: 1200px;
}

.hero-stage {
  border-radius: 24px;
  min-height: 430px;
  overflow: hidden;
  position: relative;
}

.hero-backdrop {
  animation: zoomBreath 16s ease-in-out infinite;
  background-position: center;
  background-size: cover;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  transition: transform 650ms ease, filter 650ms ease;
  width: 100%;
}

.hero-overlay {
  background: linear-gradient(115deg, rgba(3, 8, 18, 0.84) 20%, rgba(7, 15, 34, 0.4) 68%);
  inset: 0;
  position: absolute;
}

.hero-content {
  align-self: flex-end;
  border-radius: 22px;
  margin: 22px;
  max-width: 560px;
  padding: 24px;
  position: relative;
  transition: transform 300ms ease, opacity 300ms ease;
}

.hero-content.is-updating {
  opacity: 0;
  transform: translateY(12px);
}

.hero-kicker {
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 10px;
}

.hero-description {
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.hero-tag {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #fff;
  font-size: 0.82rem;
  padding: 8px 12px;
}

.hero-actions {
  display: flex;
  gap: 10px;
}

.hero-button {
  background: linear-gradient(140deg, var(--accent-strong), var(--accent));
  border: 0;
  border-radius: 999px;
  color: #04203b;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 10px 16px;
  transition: transform 250ms ease, box-shadow 250ms ease;
}

.hero-button:hover {
  box-shadow: 0 10px 22px rgba(91, 185, 255, 0.35);
  transform: translateY(-2px);
}

.country-strip {
  border-radius: 20px;
  padding: 16px;
}

.section-headline {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-headline h3 {
  font-size: 1.1rem;
}

.section-headline p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.country-nav {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
}

.country-chip {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  color: var(--text-main);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px;
  text-align: center;
  transition: transform 220ms ease, background 220ms ease;
}

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

.country-chip.active {
  background: linear-gradient(145deg, rgba(103, 183, 255, 0.42), rgba(139, 233, 253, 0.28));
  border-color: rgba(150, 230, 255, 0.68);
}

.details-layout {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(270px, 1fr) minmax(380px, 2fr);
}

.landmark-info {
  border-radius: 20px;
  padding: 18px;
}

.info-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.info-description {
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 16px;
}

.facts-grid {
  display: grid;
  gap: 10px;
}

.fact-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 12px;
}

.fact-card span {
  color: var(--text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landmark-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.landmark-card {
  background: var(--bg-panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  cursor: pointer;
  min-height: 210px;
  overflow: hidden;
  position: relative;
  transform: translateY(16px);
  transition: transform 300ms ease, border-color 300ms ease;
  animation: revealCard 550ms ease forwards;
}

.landmark-card:nth-child(2) {
  animation-delay: 100ms;
}

.landmark-card:nth-child(3) {
  animation-delay: 180ms;
}

.landmark-card:nth-child(4) {
  animation-delay: 260ms;
}

.landmark-card img {
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
  transition: transform 450ms ease;
  width: 100%;
}

.landmark-card-content {
  background: linear-gradient(to top, rgba(7, 10, 18, 0.92), rgba(7, 10, 18, 0));
  bottom: 0;
  left: 0;
  padding: 12px;
  position: absolute;
  right: 0;
}

.landmark-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.landmark-card p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.landmark-card:hover img,
.landmark-card.active img {
  transform: scale(1.08);
}

.landmark-card.active {
  border-color: rgba(143, 231, 255, 0.82);
  transform: translateY(-2px);
}

.site-footer {
  align-items: center;
  border-radius: 18px;
  display: flex;
  justify-content: space-between;
  margin: 18px auto 0;
  max-width: 1200px;
  padding: 14px 18px;
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(22px);
  }
}

@keyframes zoomBreath {
  0%,
  100% {
    filter: saturate(1);
    transform: scale(1);
  }
  50% {
    filter: saturate(1.17);
    transform: scale(1.06);
  }
}

@keyframes revealCard {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 930px) {
  .details-layout {
    grid-template-columns: 1fr;
  }

  .section-headline {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .hero-content {
    margin: 14px;
    max-width: unset;
  }
}

@media (max-width: 700px) {
  body {
    padding: 14px;
  }

  .top-header,
  .site-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .hero-stage {
    min-height: 390px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}