* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-width: auto;
  scrollbar-color: var(--color-purple-primary) transparent;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

::-webkit-scrollbar {
  width: 17px;
  height: 17px;
}

::-webkit-scrollbar-track {
  background: transparent;
  border: none;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-purple-primary) !important;
  background-image: none !important;
  border-radius: 4px;
  border: none !important;
  box-shadow: none !important;
  opacity: 1 !important;
  transition: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-purple-primary) !important;
  background-image: none !important;
  border: none !important;
  box-shadow: none !important;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
}

::-webkit-scrollbar-thumb:active {
  background-color: var(--color-purple-primary) !important;
  background-image: none !important;
  border: none !important;
  box-shadow: none !important;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
}

::-webkit-scrollbar-button {
  display: none;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  padding-top: 0;
  opacity: 0;
  animation: fadeIn 0.6s ease-in-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:focus:not(.skip-link):not(.logo) {
  outline: 2px solid var(--color-purple-primary);
  outline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-base);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
  scroll-margin-top: 90px;
}

#contact.section {
  padding-bottom: var(--spacing-3xl);
}

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

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}