/* ==========================================================================
   KYOKA 3.0 — AIZEN AESTHETIC DESIGN SYSTEM & CORE STYLES
   Dark Imperial Violet, Glassmorphism & High-Contrast Typography
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-darkest: #07030C;
  --bg-primary: #0D0618;
  --bg-secondary: #140A26;
  --bg-tertiary: #1C0F35;
  --bg-card: rgba(22, 11, 42, 0.75);
  --bg-card-hover: rgba(34, 17, 64, 0.85);
  --bg-glass: rgba(18, 9, 34, 0.65);

  /* Aizen Purple Radiance */
  --purple-dark: #3B0764;
  --purple-deep: #581C87;
  --purple-primary: #7C3AED;
  --purple-vibrant: #9333EA;
  --purple-glow: #A855F7;
  --purple-light: #C084FC;
  --purple-pastel: #E9D5FF;
  --purple-white: #FAF5FF;

  /* Accent & Functional */
  --cyan-accent: #06B6D4;
  --emerald-accent: #10B981;
  --amber-accent: #F59E0B;
  --rose-accent: #F43F5E;

  /* Text Colors */
  --text-main: #F3EEFA;
  --text-muted: #B4A4CC;
  --text-dim: #7E6E99;

  /* Borders & Shadows */
  --border-subtle: rgba(168, 85, 247, 0.16);
  --border-active: rgba(168, 85, 247, 0.45);
  --border-strong: rgba(192, 132, 252, 0.6);
  --glow-shadow: 0 0 25px rgba(124, 58, 237, 0.35);
  --glow-strong: 0 0 35px rgba(168, 85, 247, 0.55);
  --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);

  /* Layout & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, #200E3D 0%, var(--bg-primary) 50%, var(--bg-darkest) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--purple-white);
}

.nav-logo {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.6));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple-primary), var(--purple-glow));
  border-radius: var(--radius-full);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-vibrant) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--purple-glow) 0%, var(--purple-primary) 100%);
  box-shadow: 0 6px 22px rgba(168, 85, 247, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(36, 17, 68, 0.6);
  color: var(--purple-pastel);
  border-color: var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(49, 23, 94, 0.8);
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-active);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--purple-glow);
  color: #FFFFFF;
}

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

.btn-discord:hover {
  background: #4752C4;
  box-shadow: 0 4px 18px rgba(88, 101, 242, 0.45);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
}

/* User Profile in Navbar */
.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem;
  background: rgba(28, 14, 52, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.user-profile-btn:hover {
  border-color: var(--border-active);
  background: rgba(38, 19, 72, 0.85);
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--purple-primary);
  object-fit: cover;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  padding: 5.5rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--purple-light);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.2);
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--purple-light) 65%, var(--purple-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Live Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  backdrop-filter: blur(12px);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--glow-shadow);
}

.stat-number {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--purple-white);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.section {
  padding: 4.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(14px);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-shadow);
}

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.16);
  border: 1px solid rgba(168, 85, 247, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  color: var(--purple-light);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--purple-white);
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: var(--purple-pastel);
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ==========================================================================
   Interactive Terminal & Commands Preview
   ========================================================================== */

.terminal-box {
  background: #090412;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  max-width: 800px;
  margin: 2.5rem auto 0;
  font-family: var(--font-mono);
}

.terminal-header {
  background: #140A24;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.terminal-title {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.88rem;
  line-height: 1.7;
}

.terminal-line {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.prompt { color: var(--purple-glow); font-weight: bold; }
.cmd { color: #FFFFFF; font-weight: 600; }
.response { color: var(--text-muted); }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-darkest);
  padding: 3rem 1.5rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand h4 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--purple-white);
  margin-bottom: 0.6rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h5 {
  color: var(--purple-pastel);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--purple-light);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(168, 85, 247, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  color: var(--text-main);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 380px;
}

.toast.toast-success {
  border-color: var(--emerald-accent);
}

.toast.toast-error {
  border-color: var(--rose-accent);
}

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

/* ==========================================================================
   Mobile Responsive Navigation
   ========================================================================== */

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--card-shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .footer-container {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
  }
}