/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: #0f0f0f;
  background: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --color-black: #0f0f0f;
  --color-gray-900: #171717;
  --color-gray-800: #262626;
  --color-gray-700: #404040;
  --color-gray-600: #525252;
  --color-gray-500: #737373;
  --color-gray-400: #a3a3a3;
  --color-gray-300: #d4d4d4;
  --color-gray-200: #e5e5e5;
  --color-gray-100: #f5f5f5;
  --color-gray-50: #fafafa;
  --color-white: #ffffff;
  
  /* Accent */
  --color-accent: #5b5bd6;
  --color-accent-light: #8b8bf0;
  --color-accent-dark: #4545a8;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #5b5bd6 0%, #8b8bf0 100%);
  --gradient-text: linear-gradient(135deg, #0f0f0f 0%, #404040 100%);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Borders */
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  margin-bottom: var(--space-8);
}

.logo-lines {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.line {
  width: 4px;
  height: 32px;
  background: var(--color-black);
  border-radius: var(--border-radius-full);
  opacity: 0.3;
  transform-origin: center bottom;
  transition: all var(--transition-normal);
}

.line:nth-child(1) {
  animation: lineWave1 2s ease-in-out infinite;
}

.line:nth-child(2) {
  animation: lineWave2 2.5s ease-in-out infinite 0.3s;
}

.line:nth-child(3) {
  animation: lineWave3 2.2s ease-in-out infinite 0.6s;
}

@keyframes lineWave1 {
  0%, 100% {
    transform: scaleY(1) scaleX(1) rotate(0deg);
    border-radius: var(--border-radius-full);
  }
  25% {
    transform: scaleY(1.4) scaleX(0.8) rotate(-2deg);
    border-radius: 8px 8px var(--border-radius-full) var(--border-radius-full);
  }
  50% {
    transform: scaleY(0.8) scaleX(1.2) rotate(1deg);
    border-radius: var(--border-radius-full);
  }
  75% {
    transform: scaleY(1.2) scaleX(0.9) rotate(-1deg);
    border-radius: var(--border-radius-full) var(--border-radius-full) 8px 8px;
  }
}

@keyframes lineWave2 {
  0%, 100% {
    transform: scaleY(1) scaleX(1) rotate(0deg);
    border-radius: var(--border-radius-full);
  }
  20% {
    transform: scaleY(1.6) scaleX(0.7) rotate(3deg);
    border-radius: 12px 12px var(--border-radius-full) var(--border-radius-full);
  }
  40% {
    transform: scaleY(0.6) scaleX(1.4) rotate(-2deg);
    border-radius: var(--border-radius-full);
  }
  60% {
    transform: scaleY(1.3) scaleX(0.8) rotate(1deg);
    border-radius: var(--border-radius-full) var(--border-radius-full) 10px 10px;
  }
  80% {
    transform: scaleY(0.9) scaleX(1.1) rotate(-1deg);
    border-radius: var(--border-radius-full);
  }
}

@keyframes lineWave3 {
  0%, 100% {
    transform: scaleY(1) scaleX(1) rotate(0deg);
    border-radius: var(--border-radius-full);
  }
  30% {
    transform: scaleY(1.3) scaleX(0.9) rotate(-3deg);
    border-radius: 6px 6px var(--border-radius-full) var(--border-radius-full);
  }
  60% {
    transform: scaleY(0.7) scaleX(1.3) rotate(2deg);
    border-radius: var(--border-radius-full);
  }
  90% {
    transform: scaleY(1.1) scaleX(0.95) rotate(-1deg);
    border-radius: var(--border-radius-full) var(--border-radius-full) 6px 6px;
  }
}

.loading-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.progress-bar {
  width: 200px;
  height: 2px;
  background: var(--color-gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-gray-200);
  animation: progressPulse 2s ease-in-out infinite;
}

.progress-fill {
  height: 100%;
  background: var(--color-black);
  border-radius: var(--border-radius-full);
  width: 0%;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: progressShimmer 1.5s ease-in-out infinite;
}

.progress-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: 500;
  transition: all var(--transition-normal);
}

@keyframes progressPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes progressShimmer {
  0% {
    transform: translateX(-20px);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateX(20px);
    opacity: 0;
  }
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-100);
  opacity: 0;
  transform: translateY(-100%);
  transition: all var(--transition-normal);
}

.nav.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo span {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-black);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-link {
  text-decoration: none;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-black);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-fast);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-32) 0 var(--space-24);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  opacity: 0;
  transform: translateY(30px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-8);
}

.hero-badge i {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-black);
}

.title-line {
  display: block;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn i {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-gray-800);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-gray-200);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  transform: translateY(-1px);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-black);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  width: 300px;
  height: 300px;
}

.grid-item {
  background: var(--color-gray-100);
  border-radius: var(--border-radius);
  opacity: 0;
  transform: scale(0.8);
}

.grid-item:nth-child(1) { background: var(--color-gray-200); }
.grid-item:nth-child(2) { background: var(--color-gray-100); }
.grid-item:nth-child(3) { background: var(--color-gray-200); }
.grid-item:nth-child(4) { background: var(--color-gray-100); }
.grid-item:nth-child(5) { background: var(--color-black); }
.grid-item:nth-child(6) { background: var(--color-gray-100); }
.grid-item:nth-child(7) { background: var(--color-gray-200); }
.grid-item:nth-child(8) { background: var(--color-gray-100); }
.grid-item:nth-child(9) { background: var(--color-gray-200); }

/* ===== SECTIONS ===== */
section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  opacity: 0;
  transform: translateY(30px);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FEATURES SECTION ===== */
.features {
  background: var(--color-gray-50);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.feature-icon i {
  width: 24px;
  height: 24px;
  color: var(--color-gray-700);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-3);
}

.feature-card p {
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ===== TEAM SECTION ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}

.team-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(30px);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-card.owner {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(91, 91, 214, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
}

.member-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-full);
  overflow: hidden;
  margin: 0 auto var(--space-6);
  border: 3px solid var(--color-gray-200);
}

.team-card.owner .member-avatar {
  border-color: var(--color-accent);
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-2);
}

.team-card p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

.member-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.member-socials a {
  width: 36px;
  height: 36px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.member-socials a:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.member-socials i {
  width: 16px;
  height: 16px;
}

/* ===== RULES SECTION ===== */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.rule-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(30px);
}

.rule-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.rule-icon {
  width: 48px;
  height: 48px;
  background: var(--color-gray-100);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.rule-icon i {
  width: 24px;
  height: 24px;
  color: var(--color-gray-700);
}

.rule-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

.rule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.rule-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-gray-600);
  line-height: 1.6;
}

.rule-list li::before {
  content: '•';
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== JOIN SECTION ===== */
.join {
  background: var(--color-gray-50);
}

.join-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
}

.join-text {
  margin-bottom: var(--space-12);
}

.join-text h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

.join-text p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

.join-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  align-items: center;
}

.server-info {
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
}

.server-ip {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-black);
}

.copy-btn {
  background: var(--color-gray-100);
  border: none;
  border-radius: var(--border-radius);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.copy-btn i {
  width: 16px;
  height: 16px;
}

.join-links {
  display: flex;
  gap: var(--space-4);
}

.join-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--color-gray-700);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.join-link:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.join-link i {
  width: 16px;
  height: 16px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-12) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .join-links {
    flex-direction: column;
    width: 100%;
  }
  
  .join-link {
    justify-content: center;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .container {
    padding: 0 var(--space-4);
  }
  
  .nav-container {
    padding: 0 var(--space-4);
  }
  
  .hero-container {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-24) 0 var(--space-16);
  }
  
  section {
    padding: var(--space-16) 0;
  }
  
  .hero-grid {
    width: 240px;
    height: 240px;
  }
}

/* ===== UTILITY CLASSES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
.copy-btn:focus,
.join-link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}