/* ═══════════════════════════════════════════════
   mini task ai — Landing Page Styles
   Professional, glassmorphism, animated
   ═══════════════════════════════════════════════ */

/* ── Landing Page Container ── */
.landing-page {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Animated Background ── */
.landing-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.landing-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
}

.landing-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.6), transparent 70%);
  top: -10%; left: -5%;
  animation-delay: 0s;
}

.landing-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(217,70,239,0.5), transparent 70%);
  top: 40%; right: -10%;
  animation-delay: -7s;
  animation-duration: 25s;
}

.landing-orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(34,211,238,0.4), transparent 70%);
  bottom: -5%; left: 30%;
  animation-delay: -14s;
  animation-duration: 22s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -40px) scale(1.1); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

.landing-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(124,58,237,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
}

/* ── Navigation ── */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: rgba(5,3,15,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}

.landing-nav-links {
  display: flex;
  gap: var(--space-5);
}

.landing-nav-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: color 0.2s;
  font-weight: 500;
}

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

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Hero Section ── */
.landing-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-20) var(--space-6) var(--space-16);
  max-width: 800px;
  margin: 0 auto;
}

.landing-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  font-size: var(--text-xs);
  color: var(--purple-200);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease-out;
}

.landing-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 2s ease-in-out infinite;
}

.landing-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.landing-hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

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

.landing-hero-cta {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.landing-hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.landing-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.landing-stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-stat span:not(.landing-stat-value):not(.landing-stat-label) {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--purple-300);
}

.landing-stat-label {
  font-size: var(--text-xs) !important;
  color: var(--text-muted) !important;
  -webkit-text-fill-color: var(--text-muted) !important;
}

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

/* ── Buttons ── */
.landing-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
  position: relative;
  overflow: hidden;
}

.landing-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.landing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,58,237,0.5);
}

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

.landing-btn-primary:active {
  transform: translateY(0);
}

.landing-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: rgba(124,58,237,0.1);
  color: var(--purple-200);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-lg);
  font-size: var(--text-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.landing-btn-secondary:hover {
  background: rgba(124,58,237,0.2);
  border-color: rgba(124,58,237,0.5);
  transform: translateY(-2px);
}

.landing-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
}

.landing-btn-ghost:hover {
  background: rgba(124,58,237,0.08);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.landing-text-btn {
  background: none;
  border: none;
  color: var(--purple-300);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: var(--space-2);
  transition: color 0.2s;
}

.landing-text-btn:hover {
  color: var(--purple-200);
}

.full-width { width: 100%; }

/* ── Features Section ── */
.landing-features {
  position: relative;
  z-index: 1;
  padding: var(--space-16) var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
}

.landing-section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.landing-section-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  font-size: var(--text-xs);
  color: var(--purple-300);
  margin-bottom: var(--space-4);
}

.landing-section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.landing-section-header p {
  font-size: var(--text-md);
  color: var(--text-secondary);
}

.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.landing-feature-card {
  background: rgba(26,19,54,0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all 0.3s var(--ease-smooth);
  animation: fadeInUp 0.5s ease-out both;
}

.landing-feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.4);
  box-shadow: 0 8px 32px rgba(124,58,237,0.15);
  background: rgba(26,19,54,0.8);
}

.landing-feature-icon {
  font-size: 32px;
  margin-bottom: var(--space-4);
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,58,237,0.12);
  border-radius: var(--radius-lg);
}

.landing-feature-card h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.landing-feature-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ── AI Section ── */
.landing-ai-section {
  position: relative;
  z-index: 1;
  padding: var(--space-16) var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

.landing-ai-demo {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-6);
  align-items: start;
}

.landing-ai-chat-preview {
  background: rgba(17,13,36,0.8);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.landing-chat-msg {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  animation: fadeInUp 0.4s ease-out both;
}

.landing-chat-msg:nth-child(1) { animation-delay: 0.2s; }
.landing-chat-msg:nth-child(2) { animation-delay: 0.5s; }
.landing-chat-msg:nth-child(3) { animation-delay: 0.9s; }
.landing-chat-msg:nth-child(4) { animation-delay: 1.2s; }

.landing-chat-msg.user {
  flex-direction: row-reverse;
}

.landing-chat-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.landing-chat-text {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  max-width: 80%;
}

.landing-chat-msg.user .landing-chat-text {
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--text-primary);
}

.landing-chat-msg.bot .landing-chat-text {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.landing-ai-capabilities {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.landing-ai-cap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(26,19,54,0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all 0.2s;
}

.landing-ai-cap:hover {
  background: rgba(124,58,237,0.1);
  border-color: rgba(124,58,237,0.3);
  color: var(--text-primary);
}

/* ── Auth Section ── */
.landing-auth-section {
  position: relative;
  z-index: 1;
  padding: var(--space-16) var(--space-6);
  display: flex;
  justify-content: center;
}

.landing-auth-container {
  width: 100%;
  max-width: 420px;
  background: rgba(17,13,36,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: 0 16px 64px rgba(0,0,0,0.5), var(--glow-soft);
}

.landing-auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.landing-auth-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
}

.landing-auth-header p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.landing-auth-form {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
}

.landing-auth-form.active {
  display: flex;
  animation: fadeInUp 0.3s ease-out;
}

.landing-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all 0.2s;
  outline: none;
  text-align: center;
}

.landing-input:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.landing-input::placeholder {
  color: var(--text-muted);
}

.landing-auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.landing-auth-divider::before,
.landing-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.landing-auth-note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-3);
  line-height: 1.5;
}

/* ── Loading Spinner ── */
.landing-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Footer ── */
.landing-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-6);
}

.landing-footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.landing-footer-content span:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .landing-nav-links { display: none; }
  
  .landing-hero { padding: var(--space-12) var(--space-4) var(--space-10); }
  
  .landing-hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .landing-hero-stats { 
    flex-wrap: wrap; 
    gap: var(--space-4);
    justify-content: center;
  }
  
  .landing-features-grid {
    grid-template-columns: 1fr;
  }
  
  .landing-ai-demo {
    grid-template-columns: 1fr;
  }
  
  .landing-auth-container {
    padding: var(--space-6);
  }
  
  .landing-footer-content {
    flex-direction: column;
    gap: var(--space-2);
  }
}

/* ── RTL Support ── */
[dir="rtl"] .landing-chat-msg.user {
  flex-direction: row;
}

[dir="rtl"] .landing-chat-msg.bot {
  flex-direction: row-reverse;
}