:root{
  
  --fs-xxxl: clamp(2.4rem, 4vw, 3rem);      
  --fs-xxl: clamp(2rem, 3.2vw, 2.5rem);      
  --fs-xl: 1.9rem;                        

 
  --fs-lg: 1.25rem;                        
  --fs-1_2: 1.2rem;  

 
  --fs-md: 1.1rem;                          
  --fs-base: 1.5rem;                           
  --fs-sm: 1.2rem;                          
  --fs-xs: 0.82rem;                          
  --fs-tiny: 0.75rem;                        

 
  --fs-1_25: 1.25rem;             
  --fs-0_96: 0.96rem;             
  --fs-0_95: 0.95rem;
  --fs-0_88: 0.88rem;
  --fs-2_1: 2.1rem;               
  --fs-1_9: 1.9rem;              

 
  --fw-bold: 700;
  --fw-semibold: 600;
  --fw-medium: 500;
  --fw-normal: 400;

 
  --lh-hero-title: 1.1;
  --lh-title: 1.2;
  --lh-normal: 1.65;

}

.ett-hero {
  padding: 80px 0 90px;
 
  background: radial-gradient(circle at top left, var(--bg-strong) 0%, var(--bg) 60%);
  overflow: hidden;
}

.ett-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.ett-hero__content {
  max-width: 560px;
}

.ett-hero__title {
  font-size: var(--fs-xxxl);
  font-weight: 800;
  line-height: var(--lh-hero-title);
  margin-bottom: 20px;
  color: var(--text);
}

.ett-hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--muted);
  margin-bottom: 30px;
  line-height: var(--lh-normal);
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}


.hero-img-container {
  position: relative;
  z-index: 1;
}

.ett-hero-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(15, 23, 42, 0.04);
  background: white;
  animation: float 6s ease-in-out infinite;
}

.floating-badge {
  position: absolute;
  top: 20%;
  right: -20px;
  background: var(--card);
  backdrop-filter: blur(10px);
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 16px;
  animation: float-delayed 6s ease-in-out infinite;
}

.floating-badge i {
  font-size: 1.5rem;
  background: #fef2f2;
  color: var(--danger);
  padding: 12px;
  border-radius: 12px;
}

.floating-badge span {
    font-weight: var(--fw-bold);
    color: var(--text);
    font-size: var(--fs-md);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

@keyframes float-delayed {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}


.ett-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 60px;
}

.ett-feature-card {
  background: var(--card);
  padding: 32px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.03);
  transition: var(--transition);
}

.ett-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-sm);
  border-color: var(--bg-strong);
}

.ett-feature-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
  background: var(--bg-strong);
  color: var(--accent);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
}

.ett-feature-title {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  margin-bottom: 10px;
  color: var(--text);
}

.ett-feature-text {
  font-size: var(--fs-sm);
  color: var(--muted);
  line-height: 1.6;
}


.calculator-section {
  padding: 80px 0;
 
  background: var(--text); 
  color: white;
  margin-top: 60px;
  border-radius: var(--radius-xl);
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.calc-content h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  color: white;
  font-weight: 800;
}

.calc-content p {
  font-size: var(--fs-lg);
  color: #cbd5e1;
  margin-bottom: 30px;
}

.calc-box {
  background: var(--card);
  padding: 40px;
  border-radius: var(--radius-xl);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.input-group {
  margin-bottom: 24px;
}

.input-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  margin-bottom: 8px;
  color: var(--text);
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--bg-strong);
  border-radius: 12px;
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}

.input-group input:focus {
  border-color: var(--accent);
  background: white;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.result-box {
  margin-top: 24px;
  text-align: center;
  background: var(--bg);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--bg-strong);
}

.result-label {
    font-size: var(--fs-sm);
    color: var(--muted);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.result-value {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--danger);
  transition: opacity 0.2s ease;
  line-height: 1.1;
}





@media (max-width: 960px) {
  .ett-hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .ett-hero__content {
    margin: 0 auto;
  }

  .hero-btns {
    justify-content: center;
  }

  .hero-img-container {
    margin-top: 30px;
  }
  
  .floating-badge {
    right: 0;
    top: 10%;
    padding: 14px 18px;
  }

  .ett-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calc-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .ett-feature-grid {
    grid-template-columns: 1fr;
  }
  
  .ett-hero__title, 
  .calc-content h2 {
    font-size: 2rem;
  }

  .calc-box {
      padding: 24px;
  }
}