/* Minimal Apple-style Landing Page */
.landing-container {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  line-height: 1.6;
  color: #1d1d1f;
  overflow-x: hidden;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: #fafafa;
}

.hero-content {
  max-width: 600px;
}

.hero-visual {
  margin-bottom: 3rem;
}

.breathing-circle {
  width: 120px;
  height: 120px;
  margin: 0 auto;
  background: linear-gradient(135deg, #a8e6cf, #7fcdcd);
  border-radius: 50%;
  animation: breathe 8s ease-in-out infinite;
  box-shadow: 0 20px 40px rgba(127, 205, 205, 0.3);
  transition: all 0.5s ease;
  position: relative;
}

.breathing-circle::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(135deg, rgba(168, 230, 207, 0.4), rgba(127, 205, 205, 0.4));
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.breathing-circle.breathing-active {
  width: 180px;
  height: 180px;
  animation: deepBreathe 6s ease-in-out infinite;
  box-shadow: 0 30px 60px rgba(127, 205, 205, 0.4);
}

.breathing-circle.breathing-active::before {
  opacity: 1;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes deepBreathe {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 600;
  margin: 0 0 1rem 0;
  letter-spacing: -0.03em;
  color: #064e3b;
  text-align: center;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  margin: 0 0 3rem 0;
  color: #059669;
  font-weight: 400;
  text-align: center;
  line-height: 1.4;
}

.cta-button {
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  color: white;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  letter-spacing: -0.01em;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.cta-button:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(16, 185, 129, 0.4);
}

/* Features Section */
.features-section {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
}

.feature-visual {
  margin-bottom: 2rem;
}

.icon-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  box-shadow: 0 8px 20px rgba(167, 243, 208, 0.2);
}

.feature-item:hover .icon-circle {
  transform: scale(1.05);
  background: linear-gradient(135deg, #a7f3d0, #6ee7b7);
  box-shadow: 0 12px 25px rgba(167, 243, 208, 0.3);
}

.feature-icon {
  font-size: 2rem;
}

.feature-item h3 {
  font-size: 1.75rem;
  margin: 0 0 0.5rem 0;
  color: #064e3b;
  font-weight: 600;
  text-align: center;
}

.feature-item p {
  margin: 0;
  color: #059669;
  font-size: 1.1rem;
  text-align: center;
  line-height: 1.5;
}

/* Message Section */
.message-section {
  padding: 6rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
}

.message-content {
  max-width: 600px;
  margin: 0 auto;
}

.message-section h2 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin: 0 0 1.5rem 0;
  font-weight: 600;
  color: #064e3b;
  letter-spacing: -0.03em;
  text-align: center;
}

.message-section p {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin: 0;
  color: #047857;
  line-height: 1.5;
  text-align: center;
}

/* Visual Section */
.visual-section {
  padding: 6rem 2rem;
  text-align: center;
  background: #fff;
}

.progress-visual {
  max-width: 400px;
  margin: 0 auto;
}

.progress-dots {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #d1fae5;
  transition: all 0.3s ease;
}

.dot.active {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.progress-text {
  font-size: 1.25rem;
  margin: 0;
  color: #059669;
  text-align: center;
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 1rem;
    min-height: 90vh;
  }
  
  .breathing-circle {
    width: 100px;
    height: 100px;
  }
  
  .features-section {
    padding: 4rem 1rem;
    gap: 3rem;
  }
  
  .message-section,
  .visual-section {
    padding: 4rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 2rem 1rem;
  }
  
  .breathing-circle {
    width: 80px;
    height: 80px;
  }
  
  .features-section {
    padding: 3rem 1rem;
    gap: 2rem;
  }
  
  .icon-circle {
    width: 60px;
    height: 60px;
  }
  
  .feature-icon {
    font-size: 1.5rem;
  }
}