@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-base: #08090D;
  --bg-surface: #0E1118;
  --bg-card: rgba(16, 20, 30, 0.7);
  --bg-card-hover: rgba(24, 30, 46, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(99, 102, 241, 0.4);
  
  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --accent-indigo: #6366F1;
  --accent-indigo-hover: #4F46E5;
  --accent-cyan: #06B6D4;
  --accent-emerald: #10B981;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
}

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

/* Custom Minimalist Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', sans-serif;
  background-color: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle Ambient Background Gradients */
.bg-ambient-top {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 480px;
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(8, 9, 13, 0.82);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.9rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-pill {
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Dropdown */
.lang-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.lang-icon {
  position: absolute;
  left: 0.75rem;
  pointer-events: none;
  color: var(--text-dim);
}

.lang-selector {
  appearance: none;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.45rem 1.8rem 0.45rem 2.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.lang-selector:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.07);
}

.lang-chevron {
  position: absolute;
  right: 0.65rem;
  pointer-events: none;
  color: var(--text-dim);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: inherit;
}

.btn-primary {
  background: #FFFFFF;
  color: #000000;
}

.btn-primary:hover {
  background: #E2E8F0;
  transform: translateY(-1px);
}

.btn-discord {
  background: #5865F2;
  color: #FFFFFF;
}

.btn-discord:hover {
  background: #4752C4;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(88, 101, 242, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
}

/* Hero Section */
.hero {
  position: relative;
  z-index: 10;
  padding: 4.5rem 2rem 3rem;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.banner-container {
  max-width: 640px;
  margin: 0 auto 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  background: #000;
}

.banner-img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.825rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-pill-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* User Profile Strip */
.user-strip {
  max-width: 720px;
  margin: 0 auto 3rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.user-details {
  text-align: left;
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.user-role-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
  margin-top: 0.15rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  max-width: 1100px;
  margin: 0 auto 5rem;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

.card-cmd-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 440px;
  width: 100%;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.lang-option-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.lang-option-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.lang-option-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
  transform: translateX(3px);
}

footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.825rem;
}

/* Responsiveness */
@media (max-width: 768px) {
  header {
    padding: 0.9rem 1.25rem;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
    padding: 0 1.25rem;
  }
}