:root {
  --bg-primary: #0f0f10;
  --bg-secondary: #1a1a1c;
  --bg-surface: #232326;
  --border: #2f2f35;
  --divider: #3a3a40;
  --text-primary: #f5f5f5;
  --text-secondary: #a1a1aa;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --max-width: 1320px;
  --spacing-section: 50px;
  --spacing-container: 16px;
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--text-secondary);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--text-secondary); }

/* Layout Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-container);
}

section {
  padding: var(--spacing-section) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, filter 0.2s ease;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--divider);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 24px;
  height: 24px;
  fill: var(--text-primary);
}

.main-nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.header-cta {
  display: none;
}

.mobile-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background-color: var(--bg-secondary);
  padding: 24px;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 99;
  border-top: 1px solid var(--border);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 500;
  display: block;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Hero Section */
.hero {
  position: relative;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 80px 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.hero-legal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.hero-legal span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-surface);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Main Slot Section */
.slot-section {
  background-color: var(--bg-primary);
}

.slot-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.slot-header {
  padding: 24px;
  text-align: center;
  border-bottom: 1px solid var(--divider);
  background-color: var(--bg-surface);
}

.slot-header h2 {
  margin-bottom: 4px;
  font-size: 1.5rem;
}

.slot-header p {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.slot-frame-container {
  width: 100%;
  height: 60vh;
  min-height: 400px;
  background-color: #000;
  position: relative;
}

.slot-frame-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.slot-footer {
  padding: 24px;
  text-align: center;
  border-top: 1px solid var(--divider);
  background-color: var(--bg-surface);
}

.slot-footer .btn {
  margin-bottom: 16px;
  min-width: 200px;
}

.slot-footer-legal {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* Mini Lobby */
.lobby-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.grid-lobby {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card-slot {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card-slot:hover {
  transform: translateY(-4px);
  border-color: var(--divider);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.card-content {
  padding: 20px;
  text-align: center;
}

.card-title {
  font-size: 1.125rem;
  margin-bottom: 16px;
}

/* Internal Pages Structure */
.page-header {
  background-color: var(--bg-secondary);
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px var(--spacing-container);
}

.content-block {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 32px;
}

.content-block h2 {
  border-bottom: 1px solid var(--divider);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.content-block ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--text-secondary);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  margin-bottom: 20px;
  font-size: 1.125rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-legal-warning {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.age-badge {
  background-color: var(--bg-primary);
  border: 1px solid var(--divider);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.footer-legal-warning p {
  margin: 0;
  font-size: 0.875rem;
}

.footer-bottom {
  border-top: 1px solid var(--divider);
  padding-top: 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}