/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #374151;
  background-color: #f9fafb;
}

a {
  color: #3b82f6;
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #2563eb;
}

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

/* Header */
header {
  background-color: #111827;
  position: sticky;
  top: 0;
  z-index: 100;
}

header > div {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

header a {
  display: inline-block;
  opacity: 0.9;
  transition: 300ms ease all;
}

header a:hover {
  opacity: 1;
  transform: scale(1.1);
}

h1 {
  color: #fff;
  font-size: 2.5rem;
  margin: 0;
  display: inline-block;
}

/* Button */
.button {
  display: inline-block;
  padding: 14px 24px;
  background-color: #3b82f6;
  color: #fff;
  border-radius: 3px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  white-space: nowrap;
}

.button:hover {
  background-color: #2563eb;
  color: #fff;
}

/* Container */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 20px;
}

/* Columns */
.columns {
  display: flex;
  gap: 32px;
  margin-bottom: 4rem;
}

.column {
  flex: 1;
}

.column-50 {
  width: 50%;
}

/* Text Styles */
.text-large {
  font-size: 3rem;
  line-height: 3.5rem;
  margin-bottom: 0.5rem;
}

.text-medium {
  font-size: 2rem;
  color: #9B8EB3;
  margin-bottom: 2rem;
}

.rich-text p {
  margin-bottom: 1rem;
}

.rich-text strong {
  font-weight: 600;
}

/* Images */
.image-container {
  text-align: center;
  margin-bottom: 16px;
}

.image-container img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* QR Cards */
.qr-cards {
  display: flex;
  gap: 32px;
  margin-top: 2rem;
}

.qr-card {
  flex: 1;
  text-align: center;
  padding: 20px;
}

.qr-card img {
  margin-bottom: 16px;
  max-width: 300px;
}

/* Responsive */
@media (max-width: 1023px) {
  header > div {
    flex-direction: column;
    text-align: center;
  }

  .columns {
    flex-direction: column;
  }

  .column-50 {
    width: 100%;
  }

  .column.hide-mobile {
    display: none;
  }

  .qr-cards {
    flex-direction: column;
  }

  h1 {
    font-size: 2rem;
  }

  .text-large {
    font-size: 2rem;
    line-height: 2.5rem;
  }

  .text-medium {
    font-size: 1.5rem;
  }
}

@media (max-width: 479px) {
  .image-container img {
    max-width: 200px;
  }

  .qr-card img {
    max-width: 200px;
  }

  h1 {
    font-size: 1.5rem;
  }
}