/* CentripetalForce Portal - Premium Cyber-Dark Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700;900&family=Outfit:wght@300;400;600;800&display=swap');

:root {
  /* Color Palette matching ZenGoStudio app */
  --bg-deep: hsl(225, 30%, 5%);
  --bg-dark: #0b0c10;
  --bg-card: rgba(20, 22, 31, 0.75);
  --bg-card-hover: rgba(28, 31, 44, 0.9);
  
  --primary-gold: #d4af37;
  --primary-gold-glow: rgba(212, 175, 55, 0.25);
  --primary-gold-active: #f3cf55;
  --accent-wood: #e6c280;
  
  --text-light: #f5f6fa;
  --text-gray: #a0a5b5;
  --text-muted: #63697a;
  
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.02);
  
  --font-global: 'Outfit', sans-serif;
  --font-title: 'Noto Serif JP', serif;
  
  --stone-black: radial-gradient(circle at 30% 30%, #40424f 0%, #15161c 60%, #050508 100%);
  --stone-white: radial-gradient(circle at 30% 30%, #ffffff 0%, #e2e4ed 50%, #b8bac4 100%);
  
  --shadow-glow: 0 0 20px var(--primary-gold-glow);
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(at 0% 0%, rgba(21, 26, 43, 0.8) 0, transparent 50%), 
    radial-gradient(at 50% 0%, rgba(11, 12, 16, 0.9) 0, transparent 70%),
    radial-gradient(at 100% 100%, rgba(13, 11, 5, 0.15) 0, transparent 50%);
  color: var(--text-light);
  font-family: var(--font-global);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(212, 175, 55, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(212, 175, 55, 0.4);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 12, 16, 0.8);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-light);
}

.brand-logo h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--accent-wood) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Yin Yang Logo Stone */
.yin-yang-icon {
  display: flex;
  gap: 4px;
  align-items: center;
}

.logo-stone {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.logo-stone.black {
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.logo-stone.white {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.3);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gold);
  transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-subtitle {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--primary-gold);
  font-weight: 600;
  margin-bottom: 16px;
  text-shadow: var(--shadow-glow);
}

.hero-title {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--text-light) 30%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: 1.15rem;
  color: var(--text-gray);
}

/* CTA Buttons */
.cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--accent-wood) 100%);
  color: #0b0c10;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 4px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-gray);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lang-btn.active {
  background: var(--primary-gold);
  color: #0b0c10;
}

/* Feature Grid & Cards */
.features-section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  background: linear-gradient(90deg, var(--primary-gold), var(--accent-wood));
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.card h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-light);
}

.card p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

/* Beautiful Interactive Goban Mockup */
/* Beautiful Interactive Goban Mockup aligned on Intersections */
.board-mockup-wrapper {
  margin: 50px auto 20px;
  max-width: 320px;
  width: 100%;
  aspect-ratio: 1;
  background: #dbb374;
  border: 6px solid #8c6221;
  border-radius: 8px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.6), inset 0 0 10px rgba(0,0,0,0.2);
  padding: 16px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 0; /* Gaps removed so grid lines align seamlessly */
}

.board-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* Horizontal and Vertical lines crossing at the exact center of each cell */
.board-cell::before,
.board-cell::after {
  content: '';
  position: absolute;
  background: rgba(0, 0, 0, 0.45); /* Clear, crisp grid lines */
  pointer-events: none;
}

/* Horizontal line: spans full width, centered vertically */
.board-cell::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

/* Vertical line: spans full height, centered horizontally */
.board-cell::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}

/* --- Edge and Corner alignment so lines terminate exactly at outer intersections --- */

/* First row: vertical lines only go from center (50%) to bottom (100%) */
.board-cell:nth-child(-n+7)::after {
  top: 50%;
}

/* Last row: vertical lines only go from top (0) to center (50%) */
.board-cell:nth-child(n+43)::after {
  bottom: 50%;
}

/* First column: horizontal lines only go from center (50%) to right (100%) */
.board-cell:nth-child(7n+1)::before {
  left: 50%;
}

/* Last column: horizontal lines only go from left (0) to center (50%) */
.board-cell:nth-child(7n)::before {
  right: 50%;
}

.board-stone {
  width: 85%;
  height: 85%;
  border-radius: 50%;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  z-index: 15; /* Renders above the crossing lines */
}

.board-stone.black {
  background: var(--stone-black);
  box-shadow: 0 2px 4px rgba(0,0,0,0.4), inset 0 -1px 2px rgba(0,0,0,0.4);
}

.board-stone.white {
  background: var(--stone-white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.25), inset 0 -1px 2px rgba(0,0,0,0.15);
}

.board-stone:hover {
  transform: scale(1.15);
}

/* Documentation Content Styles */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 40px 0 80px;
}

.docs-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.docs-nav {
  list-style: none;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 16px;
}

.docs-nav-item {
  margin-bottom: 8px;
}

.docs-nav-item:last-child {
  margin-bottom: 0;
}

.docs-nav-link {
  display: block;
  padding: 8px 12px;
  color: var(--text-gray);
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.docs-nav-link:hover, .docs-nav-link.active {
  color: var(--primary-gold);
  background: rgba(255, 255, 255, 0.03);
}

.docs-content {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 40px;
}

.docs-section {
  display: none; /* Controlled by JavaScript switcher */
  margin-bottom: 40px;
}

.docs-section.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.docs-content h2 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 12px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-light) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.docs-content h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  margin: 24px 0 12px;
  color: var(--primary-gold);
}

.docs-content p {
  color: var(--text-gray);
  margin-bottom: 16px;
}

.docs-content ul, .docs-content ol {
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-gray);
}

.docs-content li {
  margin-bottom: 8px;
}

.highlight-box {
  background: rgba(212, 175, 55, 0.05);
  border-left: 4px solid var(--primary-gold);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  color: var(--text-gray);
}

/* Bilingual Display Engine */
.lang-es, .lang-en {
  display: none;
}

/* When document has class 'lang-es-active', show elements with 'lang-es' */
html.lang-es-active .lang-es {
  display: block;
}
html.lang-es-active span.lang-es, html.lang-es-active strong.lang-es, html.lang-es-active a.lang-es, html.lang-es-active em.lang-es, html.lang-es-active i.lang-es {
  display: inline;
}

/* When document has class 'lang-en-active', show elements with 'lang-en' */
html.lang-en-active .lang-en {
  display: block;
}
html.lang-en-active span.lang-en, html.lang-en-active strong.lang-en, html.lang-en-active a.lang-en, html.lang-en-active em.lang-en, html.lang-en-active i.lang-en {
  display: inline;
}

/* Privacy Page Specifics */
.privacy-layout {
  max-width: 800px;
  margin: 40px auto 80px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 40px;
}

.privacy-layout h2 {
  font-family: var(--font-title);
  font-size: 1.6rem;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--primary-gold);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 8px;
}

.privacy-layout h3 {
  font-size: 1.15rem;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-light);
}

.privacy-layout p {
  color: var(--text-gray);
  margin-bottom: 16px;
}

.privacy-layout ul {
  margin-left: 20px;
  margin-bottom: 16px;
  color: var(--text-gray);
}

.privacy-layout li {
  margin-bottom: 6px;
}

.privacy-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--glass-border);
  background: rgba(11, 12, 16, 0.95);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-link:hover {
  color: var(--primary-gold);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Rules */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .docs-layout {
    grid-template-columns: 1fr;
  }
  
  .docs-sidebar {
    position: static;
    margin-bottom: 20px;
  }
  
  .nav-wrapper {
    height: 70px;
  }
  
  .nav-menu {
    gap: 16px;
  }
  
  .nav-link {
    font-size: 0.85rem;
  }
  
  .footer-wrapper {
    flex-direction: column;
    text-align: center;
  }
}

/* Project Showcase Layout */
.apps-section {
  padding: 60px 0 100px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 48px;
  margin-top: 40px;
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  background: var(--bg-card-hover);
}

.project-header {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 24px;
}

.project-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--text-light) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 12px;
}

.project-tagline {
  color: var(--text-gray);
  font-size: 1.1rem;
  margin-top: 8px;
}

.project-body-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .project-body-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .project-card {
    padding: 24px;
  }
}

/* Screenshots Gallery Section */
.screenshot-gallery-section {
  padding: 80px 0;
  border-top: 1px solid var(--glass-border);
  position: relative;
}

.gallery-header {
  text-align: center;
  margin-bottom: 48px;
}

.gallery-header h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-light) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gallery-header p {
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* Carousel Styles */
.carousel-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 50px;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: rgba(11, 12, 16, 0.4);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
  box-sizing: border-box;
}

.carousel-slide img {
  max-height: 500px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.carousel-slide img:hover {
  transform: scale(1.02);
}

.carousel-caption {
  margin-top: 20px;
  text-align: center;
  max-width: 600px;
}

.carousel-caption h3 {
  font-family: var(--font-title);
  color: var(--primary-gold);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.carousel-caption p {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Carousel Buttons */
.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(20, 22, 31, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  z-index: 10;
}

.carousel-nav-btn:hover {
  background: var(--primary-gold);
  color: var(--bg-dark);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-gold);
}

.carousel-nav-btn.prev {
  left: 0;
}

.carousel-nav-btn.next {
  right: 0;
}

/* Indicators */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.indicator-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.indicator-dot.active {
  background: var(--primary-gold);
  width: 24px;
  border-radius: 10px;
  box-shadow: var(--shadow-glow);
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 8, 0.95);
  z-index: 200;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--text-light);
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  color: var(--primary-gold);
  transform: scale(1.1);
}

.lightbox-caption {
  color: var(--text-light);
  margin-top: 16px;
  font-size: 1.1rem;
  text-align: center;
  font-family: var(--font-title);
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

/* Beta / Testing Section */
.beta-testing-section {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, var(--bg-deep) 0%, rgba(20, 22, 31, 0.5) 100%);
  border-top: 1px solid var(--glass-border);
}

.beta-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

.beta-content h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-light) 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.beta-content p {
  color: var(--text-gray);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.beta-instructions {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 32px;
}

.beta-instructions h3 {
  font-family: var(--font-title);
  color: var(--primary-gold);
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.beta-step-list {
  list-style: none;
}

.beta-step-item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-gray);
}

.beta-step-item:last-child {
  margin-bottom: 0;
}

.beta-step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.beta-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.beta-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.beta-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  background: var(--bg-card-hover);
}

.beta-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.beta-card h4 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text-light);
}

.beta-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  max-width: 280px;
}

.beta-btn {
  width: 100%;
  max-width: 260px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 992px) {
  .beta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .carousel-wrapper {
    padding: 0 20px;
  }
  
  .carousel-nav-btn {
    display: none;
  }
}

/* Subtle Centripetal Force Background Animation */
.centripetal-bg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1; /* Colocado exactamente sobre el fondo del body */
  overflow: hidden;
  pointer-events: none;
  opacity: 0.55; /* Mayor opacidad para que sea visible en cualquier pantalla */
}

.force-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--primary-gold);
  border-radius: 50%;
  box-shadow: 0 0 35px 12px rgba(212, 175, 55, 0.5);
  transform: translate(-50%, -50%);
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(212, 175, 55, 0.15); /* Órbitas punteadas más visibles */
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.orbit-ring-1 { width: 250px; height: 250px; }
.orbit-ring-2 { width: 500px; height: 500px; }
.orbit-ring-3 { width: 800px; height: 800px; }
.orbit-ring-4 { width: 1200px; height: 1200px; }

.orbit-rotator {
  width: 100%;
  height: 100%;
  position: relative;
}

.orbit-particle {
  position: absolute;
  width: 6px; /* Partículas más grandes */
  height: 6px;
  background: var(--primary-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px 2px var(--primary-gold); /* Mayor brillo */
  opacity: 0.85;
}

/* Position particles on the dashed rings */
.orbit-ring-1 .orbit-particle { top: 0; left: 50%; transform: translate(-50%, -50%); }
.orbit-ring-2 .orbit-particle { top: 50%; left: 0; transform: translate(-50%, -50%); }
.orbit-ring-3 .orbit-particle { top: 0; left: 50%; transform: translate(-50%, -50%); }
.orbit-ring-4 .orbit-particle { top: 50%; left: 100%; transform: translate(-50%, -50%); }

/* Rotation Animations for Orbital Movement */
.rotator-1 { animation: orbitRotate 20s linear infinite; }
.rotator-2 { animation: orbitRotate 35s linear infinite reverse; }
.rotator-3 { animation: orbitRotate 55s linear infinite; }
.rotator-4 { animation: orbitRotate 80s linear infinite reverse; }

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