@font-face {
  font-family: 'Satoshi';
  src: url('../fonts/Satoshi-Variable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Satoshi';
  src: url('../fonts/Satoshi-VariableItalic.ttf') format('truetype');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
    --color-primary: 193, 100%, 34%;
    --color-bg: 0, 0%, 97%;
    --color-text: 220, 20%, 20%;
    --color-error: 0 84% 60%;

    --btn-neon-bg: 162 100% 47%; /* Neon green */
    --btn-neon-bg-hover: 162 89% 76%; /* Lighter neon green */
    --btn-neon-text: 275 79% 42%; /* Purple */
    --btn-neon-text-hover: 275 79% 42%; /* Keep purple on hover */
    --btn-neon-border: 162 100% 47%; /* Neon green */
    --btn-neon-border-hover: 162 100% 47%; /* Neon green */

    --radius-md: 0.375rem;
    --radius-sm: 0.25rem;

    --transition-fast: 150ms;
}

body {
    font-family: 'Satoshi', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  
    min-height: 100vh;
    background-color: hsl(var(--color-bg));
    color: hsl(var(--color-text));
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.02em;
}

h2 {
  font-weight: 700;
}

h3 {
  font-weight: 600;
}

a {
  color: hsl(var(--color-primary));
  text-decoration: none;
  transition: color var(--transition-fast) ease;
}
a:hover {
  color: hsl(var(--color-primary), 0.8);
}

.bc-container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.bc-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.bc-input {
  width: 70%;
  padding: 0.5rem 0.75rem 0.5rem 0.5rem;
  margin: 0.25rem 0 1rem 0;
  border: 1px solid hsl(var(--color-text), 0.2);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 400;
  transition: border-color var(--transition-fast) ease;
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 42rem;
  text-align: left;
  padding: 5rem 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  right: 0;
  width: 100%;
  background-repeat: no-repeat;
  background-position: right center;
  background-size: contain;
  pointer-events: none;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--color-primary));
}

.hero-logo {
  width: 60px;
  height: auto;
}

.bc-invalid {
  color: hsl(var(--color-error));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast) ease;
}

.btn-neon {
  background-color: hsl(var(--btn-neon-bg));
  color: hsl(var(--btn-neon-text));
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-neon:hover {
  background-color: hsl(var(--btn-neon-bg-hover));
  color: hsl(var(--btn-neon-text-hover));
}

.btn-md {
  padding: 0.75rem 1.5rem;
  margin: 0.5rem 0;
}