/* FireCheck 4D E-leaflet — Panel theme colours #eb4b9b, #27c3f3 */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  /* Panel theme colours */
  --color-accent: #eb4b9b;
  --color-accent-dark: #c93d7d;
  --color-accent-secondary: #27c3f3;
  --color-accent-secondary-dark: #1ea8d4;
  --color-border: #e5e5e5;
  --color-section-alt: #f5fbfd;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --space-unit: 1rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --max-width: 1200px;
  /* ARUP-style fillet (rounded) corners for media and cards */
  --radius-fillet: 12px;
  --radius-fillet-lg: 20px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.e-leaflet-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-unit) 0;
}

.e-leaflet-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-unit);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-unit);
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-accent);
}

.header-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--color-accent);
}

/* Desktop nav submenu for The 3-Certainty */
.nav-links li {
  position: relative;
}

.nav-submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-fillet);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
  z-index: 120;
}

.nav-submenu li {
  margin: 0;
}

.nav-submenu a {
  display: block;
  padding: 0.45rem 0.8rem;
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.nav-submenu a:hover {
  color: var(--color-accent);
  background: rgba(0, 0, 0, 0.03);
}

.nav-links li.has-submenu:hover .nav-submenu,
.nav-links li.has-submenu:focus-within .nav-submenu {
  display: block;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 1rem;
}

.lang-btn {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: inherit;
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--color-accent);
  font-weight: 600;
}

.lang-sep {
  color: var(--color-border);
  font-size: 0.9rem;
}

/* Hamburger — visible on mobile/tablet (below iPad Pro 11"/13" viewport) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1002;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Floating sidebar (MVRDV-style) — mobile */
.nav-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-sidebar-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-sidebar {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: min(280px, 85vw);
  height: 100vh;
  background: rgba(26, 26, 26, 0.97);
  z-index: 1000;
  padding: 5rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

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

.nav-sidebar-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  font-size: 1.75rem;
  line-height: 1;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.8;
}

.nav-sidebar-close:hover {
  opacity: 1;
}

.nav-sidebar-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-sidebar-links li {
  margin-bottom: 0.5rem;
}

.nav-sidebar-links a {
  display: block;
  padding: 0.75rem 0;
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-sidebar-links a:hover {
  color: var(--color-accent-secondary);
}

.nav-sidebar-submenu {
  list-style: none;
  margin: 0.35rem 0 0.6rem 0;
  padding: 0 0 0 1rem;
}

.nav-sidebar-submenu li {
  margin: 0;
}

.nav-sidebar-submenu a {
  padding: 0.45rem 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
  border-bottom: none;
}

.nav-sidebar-lang {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-sidebar-lang .lang-btn {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
}

.nav-sidebar-lang .lang-btn:hover,
.nav-sidebar-lang .lang-btn.active {
  color: var(--color-accent-secondary);
}

.nav-sidebar-lang .lang-sep {
  color: rgba(255, 255, 255, 0.4);
}

/* Sidebar for viewports below iPad Pro 11" (834px) and 13" (1032px) portrait */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .nav-desktop {
    display: none;
  }

  .header-right .lang-switcher {
    margin-left: 0;
  }

  .nav-sidebar-overlay,
  .nav-sidebar {
    display: block;
  }
}

@media (min-width: 1025px) {
  .nav-sidebar-overlay.is-open,
  .nav-sidebar.is-open {
    display: none !important;
  }
}

/* Hero — full width, no fillet; assets/videos/start_video.mp4 background on enter */
.hero {
  position: relative;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-unit);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-bg video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.45) 0%,
    rgba(0, 0, 0, 0.35) 50%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding-left: 15px;
}

/* Hero text animation in */
@keyframes hero-fade-in {
  from {
    opacity: 0;
    transform: translateY(1.2rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tag {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
  animation: hero-fade-in 0.6s ease-out 0.1s both;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.75rem 0;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: hero-fade-in 0.6s ease-out 0.25s both;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 640px;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  animation: hero-fade-in 0.6s ease-out 0.4s both;
}

.hero .product-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: hero-fade-in 0.6s ease-out 0.55s both;
}

.hero-game-cta {
  margin-top: 1.5rem;
  animation: hero-fade-in 0.6s ease-out 0.7s both;
}

.hero .hero-game-btn {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.hero .hero-game-btn:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

.product-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section common */
section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-unit);
}

.section-tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 1rem 0;
  color: var(--color-text);
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 720px;
  margin: 0 0 1.5rem 0;
}

/* Alternate section background */
.section-alt {
  background: var(--color-section-alt);
}

/* Achievements list */
.achievements-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.achievement-item {
  margin: 0;
}
.achievement-awards {
  font-size: 1rem;
  margin: 0 0 0.5rem 0;
  color: var(--color-text);
}
.achievement-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 0.25rem 0;
}

/* Two-column content */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* Stats / benefits cards */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-unit);
  margin-top: 1.5rem;
}

.stat-card {
  position: relative;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-fillet);
  overflow: hidden;
}

/* Background chart curve */
.stat-card-chart {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 70%;
  pointer-events: none;
  z-index: 0;
}

.stat-card-chart-line {
  opacity: 0.35;
}

.stat-card--trend-up .stat-card-chart {
  color: #0d7d4a;
}

.stat-card--trend-down .stat-card-chart {
  color: #1ea8d4;
}

.stat-card .stat-value,
.stat-card .stat-trend,
.stat-card .stat-label {
  position: relative;
  z-index: 1;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 0.25rem 0;
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}

.stat-trend-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1;
}

.stat-card--trend-up .stat-trend {
  color: #0d7d4a;
}

.stat-card--trend-up .stat-trend-icon {
  background: rgba(13, 125, 74, 0.12);
  color: #0d7d4a;
}

.stat-card--trend-down .stat-trend {
  color: #1ea8d4;
}

.stat-card--trend-down .stat-trend-icon {
  background: rgba(30, 168, 212, 0.12);
  color: var(--color-accent-secondary-dark);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Smart features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: 1.5rem;
}

.feature-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-fillet);
  overflow: hidden;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-icon {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}

.feature-card .media-block {
  padding: 0;
  aspect-ratio: 16/10;
}

.feature-card .media-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Content blocks with image/gif/video — fillet corners (ARUP style) */
.media-block {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  background: #fff;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-radius: var(--radius-fillet);
  overflow: hidden;
}

.media-block img,
.media-block video {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center;
}

.media-block--video {
  min-height: 0;
  padding: 0;
}

.media-block--video video {
  width: 100%;
}

.media-block--embed {
  padding: 0;
  aspect-ratio: 16 / 9;
}

.media-block--embed iframe {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: var(--radius-fillet);
}

.media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  width: 100%;
  background: var(--color-section-alt);
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Media row: multiple images/GIFs in a row */
.media-row {
  display: grid;
  gap: var(--space-unit);
  margin-top: 1rem;
}

.media-row--three {
  grid-template-columns: repeat(3, 1fr);
}

.media-row--five {
  grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 768px) {
  .media-row--three,
  .media-row--five {
    grid-template-columns: 1fr;
  }
}

.media-item {
  margin: 0;
  border: 1px solid var(--color-border);
  background: #fff;
  overflow: hidden;
  border-radius: var(--radius-fillet);
}

.media-item img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

.media-item figcaption {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* Certitude bands — panel theme gradient */
.certitude-band {
  padding: 1.25rem var(--space-unit);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
  color: #fff;
  text-align: center;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: var(--space-lg) 0;
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* Game CTA — redirect to online game */
.game-cta {
  text-align: center;
}

.game-cta-wrap {
  margin: var(--space-lg) 0 0;
}

.game-cta-btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-fillet);
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 4px 12px rgba(235, 75, 155, 0.3);
}

.game-cta-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(235, 75, 155, 0.35);
}

.game-cta-btn:focus {
  outline: 2px solid var(--color-accent-secondary);
  outline-offset: 2px;
}

/* Footer & more info */
.more-info {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-unit);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-unit);
}

.more-info-inner {
  flex: 1;
  min-width: 0;
}
.more-info-inner .section-tag {
  margin-top: 1rem;
}
.more-info-game-cta {
  margin: 1rem 0 0 0;
}
.more-info-links {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.more-info-links li {
  margin: 0;
}

.more-info-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-fillet);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.more-info-links a:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: var(--color-accent);
  text-decoration: none;
}

.more-info-links a::after {
  content: "→";
  font-size: 0.85em;
  opacity: 0.8;
}

.more-info-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.5rem;
}

/* Footer logo strip — dark bg, one row, scroll right-to-left loop */
.footer-logos {
  background: #2c2c2c;
  padding: var(--space-lg) 0;
  margin-top: 0;
  overflow: hidden;
}

.firecheck-logo-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 2.5rem 0 0.8rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(45, 42, 48, 0.3) 20%, rgba(50, 48, 52, 0.7) 45%, #4a4848 65%, #3c3a3a 100%);
}

.firecheck-logo-bar .footer-logo {
  height: 36px;
  max-width: 100px;
}

.firecheck-logo-bar .footer-logo.footer-logo-lg {
  height: 48px;
  max-width: 120px;
}

.firecheck-logo-bar .footer-logos-row {
  gap: 1.5rem;
  padding: 0 1.5rem;
}

.footer-logos-track {
  display: flex;
  width: max-content;
  animation: footer-logos-scroll 25s linear infinite;
}

.footer-logos-row {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 2.5rem;
  padding: 0 2.5rem;
}

@media (max-width: 768px) {
  .footer-logos-row {
    gap: 1.5rem;
    padding: 0 1.5rem;
  }

  .footer-logo {
    height: 44px;
    max-width: 110px;
  }

  .firecheck-logo-bar .footer-logo {
    height: 32px;
    max-width: 90px;
  }

  .firecheck-logo-bar .footer-logo.footer-logo-lg {
    height: 40px;
    max-width: 100px;
  }
}

@keyframes footer-logos-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.footer-logo {
  height: 50px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  opacity: 0.95;
}

.footer-logo:hover {
  opacity: 1;
}

.footer-logo.footer-logo-lg {
  height: 80px;
  max-width: 160px;
}

.e-leaflet-footer {
  padding: var(--space-unit) var(--space-unit);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.e-leaflet-footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.e-leaflet-footer a:hover {
  text-decoration: underline;
}

.content-block {
  margin-bottom: var(--space-lg);
}

.content-block:last-child {
  margin-bottom: 0;
}

.block-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--color-text);
}

.benefits-img {
  margin: 1.5rem 0 0;
}

.benefits-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-fillet);
}

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* First-visit celebration popup */
.celebrate-popup {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-unit);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.celebrate-popup.is-visible {
  opacity: 1;
  visibility: visible;
}

.celebrate-popup[hidden] {
  display: none !important;
}

.celebrate-popup:not([hidden]).is-visible {
  display: flex !important;
}

.celebrate-popup-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.celebrate-popup-content {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--color-bg);
  border-radius: var(--radius-fillet-lg);
  padding: 2rem 2rem 1.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
  animation: celebrate-popup-in 0.5s ease-out;
}

@keyframes celebrate-popup-in {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.celebrate-popup-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  margin: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.celebrate-popup-close:hover {
  color: var(--color-text);
  background: var(--color-border);
}

.celebrate-popup-emoji {
  font-size: 3rem;
  margin: 0 0 0.5rem 0;
  line-height: 1;
}

.celebrate-popup-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 0.75rem 0;
}

.celebrate-popup-message {
  font-size: 1rem;
  color: var(--color-text);
  margin: 0 0 1.25rem 0;
  line-height: 1.5;
}

.celebrate-popup-btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-fillet);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.celebrate-popup-btn:hover {
  background: var(--color-accent-dark);
}

.celebrate-popup-btn:active {
  transform: scale(0.98);
}