/* Navbar */
.navbar {
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid var(--color-btn-outline);
  background-color: rgba(249, 250, 251, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.05em;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #111827 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-6);
  border-radius: var(--border-radius-pill);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-btn-bg);
  color: var(--color-btn-text);
}

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

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

.btn-outline:hover {
  background-color: var(--color-btn-outline);
}

/* Hero Section */
.hero {
  padding-top: var(--spacing-20);
  padding-bottom: var(--spacing-20);
  text-align: center;
}

.hero-title {
  font-size: var(--font-size-6xl);
  margin-bottom: var(--spacing-6);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-10);
}

.hero-visual {
  margin-top: var(--spacing-16);
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  aspect-ratio: 16/9;
  border-radius: var(--border-radius-xl);
  background: white;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Soft animated gradient background for the hero visual */
.gradient-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(147,51,234,0.5) 0%, rgba(59,130,246,0.5) 50%, rgba(255,255,255,0) 70%);
  filter: blur(60px);
  animation: pulse 8s infinite alternate ease-in-out;
  border-radius: 50%;
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(1); }
  100% { transform: translate(-50%, -50%) scale(1.1); }
}

.play-button {
  width: 64px;
  height: 64px;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 10;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.play-button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.play-icon {
  width: 24px;
  height: 24px;
  margin-left: 4px; /* visual center for play triangle */
}

/* Bento Cards */
.bento-section {
  padding-top: var(--spacing-20);
  padding-bottom: var(--spacing-20);
  text-align: center;
}

.bento-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.bento-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-12);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}

.card {
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-10);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 250px;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-purple {
  background-color: var(--color-accent-purple);
}

.card-green {
  background-color: var(--color-accent-green);
}

.card-dark {
  background-color: var(--color-dark-card);
  color: white;
}

.card-light {
  background-color: white;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-btn-outline);
}

.card-wide {
  grid-column: span 2;
  min-height: 400px;
  background-color: #88B1AD; /* Slate green */
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-lg);
  width: 60%;
  max-width: 500px;
  text-align: center;
}

/* Footer CTA */
.footer-cta {
  text-align: center;
  padding: var(--spacing-24) 0;
  background-color: var(--color-bg-primary);
}

.footer-cta h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-8);
}

/* Micro-animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Continuous Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes progressSweep {
  0% { width: 0%; opacity: 0.5; }
  50% { width: 100%; opacity: 1; }
  100% { width: 0%; opacity: 0.5; }
}

.progress-bar-animated {
  height: 4px;
  background: var(--color-btn-bg);
  border-radius: 2px;
  animation: progressSweep 3s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.status-indicator {
  width: 12px;
  height: 12px;
  background: #3B82F6;
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}