/* ============================================
   AI Agents — Premium UX/UI Stylesheet
   ============================================ */

/* === Reset & Variables === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #06060b;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --text: #e8e8ed;
  --text-muted: #8b8b9e;
  --text-dim: #55556a;
  --accent-1: #6c5ce7;
  --accent-2: #a855f7;
  --accent-3: #06b6d4;
  --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 60px rgba(108,92,231,0.15);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* === Particles Canvas === */
#particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* === Container === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  backdrop-filter: blur(0px);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(6,6,11,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  font-size: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logoSpin 8s linear infinite;
}

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

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent-2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,92,231,0.3), transparent 70%);
  top: -10%; left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(168,85,247,0.25), transparent 70%);
  top: 30%; right: -15%;
  animation-delay: -7s;
}

.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.2), transparent 70%);
  bottom: -5%; left: 30%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(108,92,231,0.1);
  border: 1px solid rgba(108,92,231,0.2);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(108,92,231,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,92,231,0.5);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition);
}

.btn-primary:hover::before { opacity: 1; }

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

.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* === Stats === */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.stat { text-align: center; }

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

/* === Scroll Indicator === */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  width: 2px; height: 40px;
  background: var(--border-hover);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  width: 100%; height: 50%;
  background: var(--gradient);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { top: -50%; }
  100% { top: 150%; }
}

/* === Sections === */
.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background: rgba(255,255,255,0.01);
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  border: 1px solid rgba(168,85,247,0.2);
  background: rgba(168,85,247,0.05);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 16px auto 0;
  line-height: 1.7;
}

/* === About Grid === */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.about-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.4s;
}

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

.about-card:hover::before { opacity: 0.03; }

.about-card > * { position: relative; z-index: 1; }

.about-card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,92,231,0.1);
  color: var(--accent-2);
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.about-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === Features === */
.features-showcase {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 40px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateX(8px);
}

.feature-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.3;
  min-width: 80px;
}

.feature-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-visual {
  min-width: 280px;
}

.code-block {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.code-keyword { color: var(--accent-1); }
.code-method { color: var(--accent-3); }
.code-string { color: #fbbf24; }
.code-prop { color: var(--accent-2); }
.code-comment { color: var(--text-dim); font-style: italic; }

/* === Agents Grid === */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.agent-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.agent-card-glow {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(108,92,231,0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
  pointer-events: none;
}

.agent-card:hover .agent-card-glow { opacity: 1; }

.agent-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108,92,231,0.3);
  box-shadow: var(--shadow-glow);
}

.agent-avatar {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.agent-avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--gradient) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ringRotate 6s linear infinite;
}

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

.agent-emoji { font-size: 2rem; }

.agent-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.agent-role {
  font-size: 0.85rem;
  color: var(--accent-2);
  font-weight: 500;
  display: block;
  margin-bottom: 12px;
}

.agent-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.agent-skills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 20px;
}

.skill-tag {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(108,92,231,0.1);
  color: var(--accent-2);
  border: 1px solid rgba(108,92,231,0.15);
}

.agent-status {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34,197,94,0.5);
  animation: pulse 2s ease-in-out infinite;
}

/* === Workflow === */
.workflow-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.workflow-line {
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2), var(--accent-3));
  opacity: 0.3;
}

.workflow-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}

.step-marker {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  background: var(--bg);
  border: 2px solid var(--accent-1);
  color: var(--accent-2);
  transition: var(--transition);
}

.workflow-step:hover .step-number {
  background: var(--accent-1);
  color: white;
  box-shadow: 0 0 30px rgba(108,92,231,0.4);
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* === CTA Section === */
.cta-section {
  padding: 160px 0;
}

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

.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* === Animations on scroll === */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: calc(var(--delay, 0) * 0.12s);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(6,6,11,0.95);
    backdrop-filter: blur(20px);
    padding: 16px;
    border-bottom: 1px solid var(--border);
  }

  .feature-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-number { font-size: 2rem; }
  .feature-visual { min-width: auto; }

  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.8rem; }

  .agents-grid { grid-template-columns: 1fr; }

  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .section { padding: 80px 0; }
  .about-grid { grid-template-columns: 1fr; }
}

/* === Custom scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: rgba(108,92,231,0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(108,92,231,0.5); }

/* === Selection === */
::selection {
  background: rgba(108,92,231,0.3);
  color: white;
}