* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-white);
  color: var(--color-gray-800);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

img {
  max-width: 100%;
  height: auto;
}

section {
  padding: 80px 0;
  position: relative;
}

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 15px;
  color: var(--color-primary);
  font-size: 2rem;
  position: relative;
}

.section-subtitle {
  text-align: center;
  color: var(--color-gray-600);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 50px;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-family: var(--font-heading);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(232, 162, 16, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 8px 25px rgba(232, 162, 16, 0.5);
}

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

.btn-secondary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }
  
  .container {
    width: 95%;
    padding: 0 15px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  h4 { font-size: 1.1rem; }
  
  body {
    font-size: 15px;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  section {
    padding: 50px 0;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-subtitle {
    font-size: 0.95rem;
  }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  
  .container {
    width: 100%;
    padding: 0 15px;
  }
}

/* === FADE IN EFFECT === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }