/* === Biến màu === */
:root {
  --bg: #0b1220;
  --ink: #e6f0ff;
  --brand: #6ae3ff;
  --brand2: #7cffb2;
  --card: #11182b;
  --gradient: linear-gradient(135deg, var(--brand), var(--brand2));
}

/* === Local font (optional .ttf) === */
@font-face {
  font-family: 'CustomVN';
  src: url('fonts/MTD-Blaze-Glory.otf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Decorative heading font from /front */
@font-face {
  font-family: 'BlazeGlory';
  src: url('fonts/MTD-Blaze-Glory.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* === Reset & Base === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Times New Roman", Times, serif;
  background: var(--bg) url('photo/bg1.webp') repeat-y top center;
  background-size: 100% auto;
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

html {
  scroll-behavior: smooth;
}

/* === Navigation === */
nav {
  position: sticky;
  top: 0;
  background: transparent;
  backdrop-filter: none;
  padding: 1rem 5%;
  z-index: 100;
  border-bottom: none;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

/* Nav becomes solid on scroll */
nav.scrolled {
  background: rgba(11, 18, 32, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap; /* allow wrapping like before */
}

nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

nav a:hover {
  color: var(--brand);
  background: rgba(106, 227, 255, 0.1);
  transform: translateY(-2px);
}

nav a.active {
  color: var(--brand);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { width: 0; }
  to { width: 60%; }
}

/* === Sections === */
section {
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  /* Help Safari skip offscreen work */
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

/* On Safari, avoid experimental content-visibility which can be unstable */
.safari-soft section {
  content-visibility: visible;
  contain-intrinsic-size: auto;
}

/* === About prose enhancements === */
#about { position: relative; }

/* About Container with Glass Effect */
.about-container {
  max-width: min(900px, 90%);
  margin: 2rem auto 0;
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg, rgba(106, 227, 255, 0.06), rgba(124, 255, 178, 0.04));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(106, 227, 255, 0.25);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.about-decoration {
  position: absolute;
  top: -20px;
  right: -20px;
  width: clamp(120px, 20vw, 180px);
  height: auto;
  opacity: 0.4;
  z-index: 0;
  pointer-events: none;
  filter: drop-shadow(0 4px 12px rgba(106, 227, 255, 0.3));
  animation: decorationFloat 6s ease-in-out infinite;
}

@keyframes decorationFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(5deg); }
}

/* Floating decorations across the page */
.float-decoration {
  position: absolute;
  pointer-events: none;
  opacity: 0.5;
  z-index: 1;
  filter: drop-shadow(0 6px 16px rgba(106, 227, 255, 0.3));
  /* Perf: hint compositor for smoother animations */
  will-change: transform;
  transform: translateZ(0);
}

/* Hero section decorations */
.float-dec-1 {
  top: 25%;
  left: 3%;
  width: clamp(120px, 18vw, 200px);
  animation: floatSlow 8s ease-in-out infinite;
}

.float-dec-2 {
  top: 1%;
  right: 5%;
  width: clamp(140px, 20vw, 220px);
  animation: floatMedium 7s ease-in-out infinite 1s;
}

/* Countdown section */
.float-dec-3 {
  top: 15%;
  right: 8%;
  width: clamp(130px, 19vw, 210px);
  animation: floatSlow 9s ease-in-out infinite 2s;
}

/* About section */
.float-dec-4 {
  bottom: 8%;
  left: 3%;
  width: clamp(150px, 22vw, 230px);
  animation: floatMedium 8s ease-in-out infinite 1.5s;
}

/* Timeline section */
.float-dec-5 {
  top: 10%;
  left: 5%;
  width: clamp(110px, 16vw, 180px);
  animation: floatSlow 7s ease-in-out infinite 0.5s;
}

/* Hero section - bottom right */
.float-dec-6 {
  bottom: 15%;
  right: 5%;
  width: clamp(125px, 18vw, 195px);
  animation: floatMedium 8.5s ease-in-out infinite 2.5s;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
  25% { transform: translateY(-15px) translateX(5px) rotate(3deg); }
  50% { transform: translateY(-25px) translateX(-5px) rotate(-3deg); }
  75% { transform: translateY(-10px) translateX(5px) rotate(2deg); }
}

@keyframes floatMedium {
  0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
  33% { transform: translateY(-20px) translateX(-8px) rotate(-5deg); }
  66% { transform: translateY(-12px) translateX(8px) rotate(5deg); }
}

/* Hide decorations on mobile to reduce clutter */
@media (max-width: 768px) {
  .float-decoration {
    opacity: 0.2;
    max-width: 60px;
    /* Reduce motion on small screens to avoid jank */
    animation: none !important;
    filter: drop-shadow(0 2px 6px rgba(106, 227, 255, 0.15));
  }
  
  .float-dec-1 {
    top: 12%;
    left: 2%;
    width: 50px;
  }
  
  .float-dec-2 {
    top: 3%;
    right: 2%;
    width: 55px;
  }
  
  .float-dec-3 {
    display: none;
  }
  
  .float-dec-4 {
    bottom: 6%;
    left: 2%;
    width: 50px;
  }
  
  .float-dec-5 {
    top: 6%;
    left: 3%;
    width: 45px;
  }
  
  .float-dec-6 {
    bottom: 8%;
    right: 2%;
    width: 50px;
  }
}

/* Safari/iOS specific softening to prevent heavy repaint cost */
@supports (-webkit-touch-callout: none) {
  .about-container {
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }
  .float-decoration {
    /* Safari struggles with heavy filter shadows while animating */
    filter: drop-shadow(0 3px 8px rgba(106, 227, 255, 0.18));
  }
}

/* Safari softening via class toggled by JS */
.safari-soft .about-container {
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.08);
}
.safari-soft .float-decoration {
  animation: none !important;
  filter: drop-shadow(0 2px 6px rgba(106, 227, 255, 0.15));
}
.safari-soft .houses-center img {
  /* Remove centerPulse to reduce composite cost */
  animation: centerBob 4.6s ease-in-out infinite !important;
}
.safari-soft .orbit-sprite img {
  /* Keep only bobbing; drop glow filter animation */
  animation: bob 4.5s ease-in-out infinite !important;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.28)) !important;
}
.safari-soft .orbit-item,
.safari-soft .mini-center {
  /* Lighten shadows to avoid repaint spikes */
  box-shadow: 0 6px 18px rgba(0,0,0,0.28) !important;
}
.safari-soft .center-frame {
  box-shadow: 0 6px 22px rgba(0,0,0,0.3) !important;
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Footer */
.site-footer {
  padding: 1.25rem 5%;
  color: rgba(230, 240, 255, 0.7);
  font-size: 0.9rem;
  border-top: 1px solid rgba(122, 142, 180, 0.15);
  background: linear-gradient(180deg, rgba(11,18,32,0) 0%, rgba(11,18,32,0.6) 100%);
}
.site-footer a {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(90deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-footer a:hover { opacity: 0.85; }

.about-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 20%, rgba(106, 227, 255, 0.08), transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(124, 255, 178, 0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

#about.reveal .about-container {
  animation: glassSlideIn 0.8s ease-out both;
}

@keyframes glassSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-text {
  position: relative;
  z-index: 1;
  text-align: justify;
  font-size: clamp(1rem, 1.1rem + 0.2vw, 1.25rem);
  line-height: 1.9;
  letter-spacing: 0.3px;
  text-wrap: pretty;
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .about-container {
    padding: 2rem 1.5rem;
    margin: 1.5rem auto 0;
  }
  
  .about-decoration {
    width: 100px;
    top: -15px;
    right: -15px;
    opacity: 0.3;
  }
  
  .about-text {
    font-size: 1rem;
    line-height: 1.8;
  }
}

/* Remove old styles */
.about-grid,
.about-card,
.about-icon {
  display: none;
}
/* Polished section titles */
.section-title {
  text-align: center;
  margin-bottom: 0.75rem;
  font-size: inherit; /* keep original h2 size */
  line-height: inherit; /* keep original h2 line-height */
  letter-spacing: 0.5px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-wrap: balance;
  hyphens: none;
}

.title-accent {
  width: 120px;
  height: 4px;
  margin: 0.25rem auto 1.25rem;
  border-radius: 999px;
  background: var(--gradient);
  position: relative;
  overflow: hidden;
}

.title-accent::after {
  content: '';
  position: absolute;
  left: -30%;
  top: 0;
  height: 100%;
  width: 30%;
  background: rgba(255,255,255,0.6);
  filter: blur(6px);
  animation: accentShine 2.2s ease-in-out infinite;
}

@keyframes accentShine {
  0% { left: -30%; opacity: 0; }
  35% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* Lead paragraph for about */
.lead {
  text-align: center;
  max-width: min(1000px, 90ch);
  margin: 0 auto;
  opacity: 0.95;
  font-size: clamp(1rem, 1.2rem, 1.2rem);
  line-height: 1.85;
  text-wrap: pretty;
}

section.reveal {
  opacity: 1;
  transform: translateY(0);
}

/* Animation variants for different elements */
.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left.reveal {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right.reveal {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scale-in.reveal {
  opacity: 1;
  transform: scale(1);
}

.rotate-in {
  opacity: 0;
  transform: rotate(-5deg) scale(0.95);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.rotate-in.reveal {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Timeline items animate one by one */
.timeline-item {
  position: relative;
  padding: 1.5rem 0;
  padding-left: 2rem;
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.timeline-item.reveal {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delay for timeline items */
.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }

h1, h2 {
  margin-bottom: 1rem;
  color: #a8eaff; /* light blue titles */
  font-family: 'BlazeGlory', "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h1 {
  font-size: 72px;
  line-height: 1.1;
  letter-spacing: 0.5px;
}

h2 {
  font-size: 72px;
  text-align: center;
  margin-bottom: 3rem;
  line-height: 1.1;
}

h3 {
  font-size: 1.25rem;
}

p {
  font-size: 1rem;
  line-height: 1.6;
}

/* Desktop: larger text for better readability */
@media (min-width: 769px) {
  h1 {
    font-size: 120px;
  }

  h2 {
    font-size: 96px;
  }

  h3 {
    font-size: 2rem;
  }

  p {
    font-size: 1.25rem;
    line-height: 1.8;
  }

  body {
    font-size: 18px;
  }

  #mainCountdown {
    font-size: 300px !important;
  }

  .hero-figure {
    width: 70vw !important;
    max-width: 70% !important;
  }

  .timeline-date {
    font-size: 1.25rem;
  }

  .timeline-item h3 {
    font-size: 2rem;
  }

  .timeline-item p {
    font-size: 1.15rem;
  }
}

/* Utility: decorative font at 72px */
.front-72 {
  font-family: 'BlazeGlory', "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 72px !important;
  line-height: 1.1;
  letter-spacing: 1px;
  color: #a8eaff;
}

/* Countdown D- use decorative font and much larger size */
#mainCountdown {
  font-family: 'BlazeGlory', "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  letter-spacing: 1px;
  font-size: 250px !important;
  line-height: 1.1;
  animation: pulse 3s ease-in-out infinite;
  text-shadow: 0 0 30px rgba(106, 227, 255, 0.5);
}

@keyframes pulse {
  0%, 100% { 
    transform: scale(1); 
    text-shadow: 0 0 30px rgba(106, 227, 255, 0.5);
  }
  50% { 
    transform: scale(1.05); 
    text-shadow: 0 0 50px rgba(106, 227, 255, 0.8);
  }
}

/* === Hero === */
#hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--brand) 0%, transparent 70%);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
  top: 20%;
  left: 10%;
}

#hero::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--brand2) 0%, transparent 70%);
  opacity: 0.15;
  animation: float 6s ease-in-out infinite reverse;
  bottom: 20%;
  right: 10%;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

#hero { max-width: none; }
.hero-content { position: relative; z-index: 1; overflow: visible; }
.hero-figure { 
  position: relative; 
  width: 80vw; 
  max-width: 80%; 
  margin: 0 auto;
  transition: transform 0.3s ease;
}
.hero-figure:hover {
  transform: scale(1.02);
}
.hero-chu { 
  display: block; 
  width: 100%; 
  height: auto; 
  margin: 0 auto;
  filter: drop-shadow(0 10px 30px rgba(106, 227, 255, 0.3));
  transition: none;
}
.hero-chu:hover { filter: drop-shadow(0 10px 30px rgba(106, 227, 255, 0.3)); }
.hero-dragon {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scaleY(1.05);
  width: 100%;
  height: auto;
  max-width: none;
  opacity: 0.2;
  pointer-events: none;
  animation: none;
}

@keyframes breathe {
  0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scaleY(1.05); }
  50% { opacity: 0.3; transform: translate(-50%, -50%) scaleY(1.08); }
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin: 1rem 0 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--gradient);
  color: var(--bg);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(106, 227, 255, 0.3);
}

/* === Timeline === */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4.5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient);
  animation: drawLine 2s ease-out forwards;
}

@keyframes drawLine {
  from { height: 0; }
  to { height: 100%; }
}

.timeline-item {
  position: relative;
  padding: 1.5rem 0;
  padding-left: 2rem;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
  border-radius: 12px;
  padding-right: 1rem;
  display: block;
  color: inherit;
  text-decoration: none;
}

.timeline-item:hover {
  transform: translateX(10px);
  background: rgba(106, 227, 255, 0.05);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--brand);
  transition: all 0.3s ease;
}

.timeline-item:hover::before {
  width: 18px;
  height: 18px;
  box-shadow: 0 0 20px var(--brand), 0 0 40px rgba(106, 227, 255, 0.5);
  animation: ping 1s ease infinite;
}

@keyframes ping {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.timeline-date {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--brand);
  margin-bottom: 0.5rem;
  display: inline-block;
  transition: transform 0.3s ease;
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

/* === Footer === */
footer {
  background: var(--card);
  padding: 2rem 5%;
  text-align: center;
  margin-top: 4rem;
  border-top: 1px solid rgba(106, 227, 255, 0.1);
}

footer p {
  opacity: 0.7;
}

/* === House Orbit === */
.houses-orbit {
  position: relative;
  width: min(90vw, 720px);
  height: min(90vw, 720px);
  margin: 0 auto 2rem;
}

.houses-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 256px; /* larger center to avoid overlap for 2-3 ties on desktop */
  height: 256px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  z-index: 3; /* above orbit items */
}

/* Cluster container for multi top houses */
.center-cluster {
  position: absolute;
  inset: 0;
  z-index: 4; /* above orbit items for clarity */
}

.mini-center {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 112px; /* larger on desktop to match orbit item size */
  height: 112px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.85), 0 10px 30px rgba(0,0,0,0.35);
  cursor: pointer;
  will-change: transform;
  z-index: 4;
}

.mini-center img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(106, 227, 255, 0.07);
  border: 2px solid rgba(106, 227, 255, 0.25);
}

/* Smaller variant when many houses tie for first */
.mini-center.small { width: 64px; height: 64px; }
.mini-center.small img { width: 52px; height: 52px; }

.mini-label {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  line-height: 1;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.35);
  color: #e6f0ff;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

/* Center frame acts like orbit-item for consistency */
.center-frame {
  position: relative;
  width: 208px; /* scale ring to match larger center */
  height: 208px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

.houses-center img {
  width: 96px; /* reduced so it fits comfortably inside ring */
  height: 96px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(106, 227, 255, 0.07);
  border: 2px solid rgba(106, 227, 255, 0.25);
  box-shadow: 0 20px 60px rgba(106, 227, 255, 0.25), inset 0 0 30px rgba(124, 255, 178, 0.15);
  animation: centerBob 3.8s ease-in-out infinite, centerPulse 5.5s ease-in-out infinite;
}

.center-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(106, 227, 255, 0.35), transparent 70%);
  filter: blur(4px);
  z-index: -1;
}

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

@keyframes centerPulse {
  0%, 100% { box-shadow: 0 20px 60px rgba(106,227,255,0.25), inset 0 0 30px rgba(124,255,178,0.15); }
  50% { box-shadow: 0 26px 80px rgba(106,227,255,0.45), inset 0 0 40px rgba(124,255,178,0.25); }
}

.house-center-label {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 8px; /* overlay inside the circle like ring labels */
  display: grid;
  gap: 2px;
  text-align: center;
  z-index: 4; /* above orbit items */
  pointer-events: none;
}

.house-center-name { display: none; }

.house-center-points {
  font-size: 12px;
  line-height: 1;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.55); /* JS tints via sampled color */
  border: 1px solid rgba(255,255,255,0.35);
  color: #e6f0ff;
  white-space: nowrap;
  backdrop-filter: blur(2px);
}

.orbit-ring {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(90vw, 720px);
  height: min(90vw, 720px);
  border-radius: 50%;
  animation: none;
  pointer-events: none; /* children will re-enable */
  z-index: 0;
}

/* Do not pause on hover (requested behavior) */

.orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center;
  width: 112px;
  height: 112px;
  /* use translate(-50%,-50%) instead of negative margins */
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  transition: box-shadow 0.3s ease, background 0.3s ease;
  pointer-events: auto;
  cursor: pointer;
  overflow: visible; /* allow label below the circle */
  /* Base center; JS adds translate(x,y) to move in circle */
  transform: translate(-50%, -50%);
  will-change: transform;
  z-index: 0; /* keep below center */
}

.orbit-item img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 50%;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.35));
}

/* Stack image and label vertically inside the upright sprite */
.orbit-figure { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.orbit-label {
  font-size: 12px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.25);
  color: #e6f0ff;
  white-space: nowrap;
  backdrop-filter: blur(2px);
}

.orbit-item:hover {
  background: rgba(106, 227, 255, 0.08);
  box-shadow: 0 16px 50px rgba(106, 227, 255, 0.35);
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Keep icons upright like a Ferris wheel */
.orbit-sprite {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  animation: none;
}

/* Removed paused class effect; orbit never pauses */

@keyframes rotateBack {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

/* lively bobbing + glow for images, without rotating the image itself */
.orbit-sprite img {
  animation: bob 3.6s ease-in-out infinite, pingGlow 4.8s ease-in-out infinite;
}

@keyframes bob {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

@keyframes pingGlow {
  0%, 100% { filter: drop-shadow(0 4px 8px rgba(0,0,0,0.35)); }
  50% { filter: drop-shadow(0 6px 16px rgba(106,227,255,0.5)); }
}

/* staggered delays so items feel organic */
.orbit-item:nth-child(1) .orbit-sprite img { animation-delay: 0s, 0s; }
.orbit-item:nth-child(2) .orbit-sprite img { animation-delay: .2s, .1s; }
.orbit-item:nth-child(3) .orbit-sprite img { animation-delay: .4s, .2s; }
.orbit-item:nth-child(4) .orbit-sprite img { animation-delay: .6s, .3s; }
.orbit-item:nth-child(5) .orbit-sprite img { animation-delay: .8s, .4s; }
.orbit-item:nth-child(6) .orbit-sprite img { animation-delay: 1.0s, .5s; }
.orbit-item:nth-child(7) .orbit-sprite img { animation-delay: 1.2s, .6s; }

.house-info {
  max-width: 760px;
  margin: 1rem auto 0;
}

.house-info-content {
  background: rgba(17, 24, 43, 0.7);
  border: 1px solid rgba(106, 227, 255, 0.25);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(8px);
  position: relative;
  animation: popIn 300ms ease-out;
}

.house-info-header {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 1rem;
}

.house-info-header img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: contain;
  background: rgba(106, 227, 255, 0.08);
  border: 1px solid rgba(106, 227, 255, 0.25);
}

.house-info-meta {
  opacity: 0.9;
}

.house-info-meta .dot { margin: 0 0.5rem; opacity: 0.6; }

.house-info-text { margin-top: 0.5rem; opacity: 0.85; }

.house-tags { margin-top: 0.25rem; }
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(124,255,178,0.18);
  border: 1px solid rgba(124,255,178,0.35);
  color: #dfffee;
  text-transform: none;
}

.info-toggle {
  margin-top: 0.5rem;
  background: rgba(106, 227, 255, 0.12);
  border: 1px solid rgba(106, 227, 255, 0.35);
  color: var(--ink);
  padding: 0.35rem 0.75rem;
  border-radius: 10px;
  cursor: pointer;
}

@keyframes popIn {
  0% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.info-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 768px) {
  .houses-center { width: 168px; height: 168px; }
  .center-frame { width: 144px; height: 144px; }
  .houses-center img { width: 84px; height: 84px; }
  .house-center-label { bottom: 6px; }
  .mini-center { width: 64px; height: 64px; }
  .mini-center img { width: 52px; height: 52px; }
  .orbit-item { width: 72px; height: 72px; }
  .orbit-item img { width: 60px; height: 60px; }
  /* Improve orbit ring centering on mobile */
  .houses-orbit { width: min(92vw, 520px); height: min(92vw, 520px); margin-left: auto; margin-right: auto; }
}

/* Reduce h2 size on small phones for better fit */
@media (max-width: 480px) {
  h2 { font-size: 48px; }
}

/* === House Points === */
.houses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.house-card {
  background: var(--card);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  cursor: pointer;
}

.house-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.house-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--brand);
  box-shadow: 0 20px 60px rgba(106, 227, 255, 0.3);
}

.house-card:hover::before {
  opacity: 0.1;
}

.house-card > * {
  position: relative;
  z-index: 1;
}

.house-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(106, 227, 255, 0.1);
  padding: 1rem;
  transition: all 0.4s ease;
  animation: float 3s ease-in-out infinite;
}

.house-card:hover .house-icon {
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 10px 40px rgba(106, 227, 255, 0.4);
}

.house-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.house-name {
  font-family: 'BlazeGlory', 'CustomVN', sans-serif;
  font-size: 2rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.house-points {
  margin: 1.5rem 0;
}

.points-value {
  display: block;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1;
  text-shadow: 0 0 20px rgba(106, 227, 255, 0.5);
  transition: all 0.3s ease;
}

.house-card:hover .points-value {
  transform: scale(1.1);
  text-shadow: 0 0 30px rgba(106, 227, 255, 0.8);
}

.points-label {
  display: block;
  font-size: 0.9rem;
  opacity: 0.7;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.house-rank {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(106, 227, 255, 0.15);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: 1rem;
  border: 1px solid rgba(106, 227, 255, 0.3);
  transition: all 0.3s ease;
}

.house-card:hover .house-rank {
  background: rgba(106, 227, 255, 0.25);
  transform: scale(1.05);
}

/* Staggered animation for cards */
.house-card:nth-child(1) { animation-delay: 0.1s; }
.house-card:nth-child(2) { animation-delay: 0.2s; }
.house-card:nth-child(3) { animation-delay: 0.3s; }
.house-card:nth-child(4) { animation-delay: 0.4s; }
.house-card:nth-child(5) { animation-delay: 0.5s; }
.house-card:nth-child(6) { animation-delay: 0.6s; }
.house-card:nth-child(7) { animation-delay: 0.7s; }
.house-card:nth-child(8) { animation-delay: 0.8s; }

/* Sparkle effect animation */
@keyframes sparkle {
  0%, 100% {
    opacity: 0;
    transform: scale(0) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1) rotate(180deg);
  }
}

.house-card::after {
  content: '✨';
  position: absolute;
  font-size: 1.5rem;
  opacity: 0;
  pointer-events: none;
}

.house-card:hover::after {
  animation: sparkle 1s ease-in-out infinite;
  top: 10%;
  right: 10%;
}

/* === Responsive === */
@media (max-width: 768px) {
  nav ul {
    gap: 0.5rem;
    font-size: 0.85rem;
  }
  
  nav a {
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
  }

  section {
    padding: 3rem 5%;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -1.5rem;
  }

  /* House cards responsive */
  .houses-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .house-card {
    padding: 1.5rem;
  }

  .house-icon {
    width: 90px;
    height: 90px;
  }

  .house-name {
    font-size: 1.5rem;
  }

  .points-value {
    font-size: 2.5rem;
  }
}