:root {
  --primary: #115e59;
  --secondary: #f0fdfa;
  --accent: #fbbf24;
  --text: #042f2e;
  --bg: #ffffff;
}

body {
  background: #fafafa;
  color: #18181b;
  font-family: 'Noto Sans Arabic', ui-monospace, monospace;
  font-size: clamp(14px, 4vw, 16px);
  overflow-x: hidden;
}

h1 {
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

h2 {
  font-size: clamp(18px, 4.5vw, 26px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.4;
}

section {
  padding: 64px 16px;
}

.card {
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 4px;
}

.btn {
  border-radius: 4px;
  border: 1px solid #18181b;
  font-weight: 500;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-cta {
  background-color: var(--primary);
  color: #ffffff !important;
  border-color: #0f4c47;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-cta:hover {
  background-color: #0d4a46;
  color: #ffffff !important;
}

.btn-cta:active {
  transform: scale(0.99);
}

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

/* Gallery Rules */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.3s ease;
}

#img-1:checked ~ .gallery-main .slide-1,
#img-2:checked ~ .gallery-main .slide-2,
#img-3:checked ~ .gallery-main .slide-3,
#img-4:checked ~ .gallery-main .slide-4 {
  opacity: 1;
  z-index: 10;
}

#img-1:checked ~ .thumbnails label[for="img-1"],
#img-2:checked ~ .thumbnails label[for="img-2"],
#img-3:checked ~ .thumbnails label[for="img-3"],
#img-4:checked ~ .thumbnails label[for="img-4"] {
  border-color: var(--primary);
}

.thumbnails label {
  transition: border-color 0.2s ease;
}