@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;800&family=Mulish:wght@400;600&display=swap');

:root {
  --sight-dark: #0f172a;
  --sight-panel: #1e293b;
  --sight-highlight: #06b6d4;
  --sight-text: #f8fafc;
  --sight-dim: #94a3b8;
  --sight-grad: linear-gradient(135deg, #0891b2, #06b6d4);
  --sight-glow: rgba(6, 182, 212, 0.5);
  --font-display: 'Nunito', sans-serif;
  --font-body: 'Mulish', sans-serif;
  --sight-pad: 10dvh;
  --sight-radius: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--sight-dark);
  color: var(--sight-text);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
}

.retina-hamburger {
  display: none;
}
.retina-menu-trigger {
  display: none;
  cursor: pointer;
}
.optic-nav-group {
    display: flex;
    gap: 1.5rem;
}
@media (max-width: 768px) {
  .retina-menu-trigger {
    display: flex;
    align-items: center;
  }
  .optic-nav-group {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--sight-panel);
    padding: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
    border-bottom: 2px solid var(--sight-highlight);
  }
  .retina-hamburger:checked ~ .optic-nav-group {
    display: flex;
  }
}

.glance-act-shape {
  border-radius: var(--sight-radius);
  transition: all 0.3s ease;
  padding: 0.75rem 1.75rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}
.glance-act-shape.outline-style {
  border-color: var(--sight-highlight);
  color: var(--sight-highlight);
  background: transparent;
}
.glance-act-shape.outline-style:hover {
  background: var(--sight-highlight);
  color: var(--sight-dark);
  box-shadow: 0 0 15px var(--sight-glow);
}
.glance-act-shape.solid-style {
  background: var(--sight-grad);
  color: var(--sight-dark);
  border: none;
}
.glance-act-shape.solid-style:hover {
  box-shadow: 0 0 20px var(--sight-glow);
  transform: translateY(-2px);
}

.vision-input-form {
  border-radius: var(--sight-radius);
  background-color: var(--sight-panel);
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.lens-input-element {
  width: 100%;
  padding: 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--sight-dim);
  background: var(--sight-dark);
  color: var(--sight-text);
  margin-bottom: 1.25rem;
  font-family: var(--font-body);
}
.lens-input-element:focus {
  outline: none;
  border-color: var(--sight-highlight);
  box-shadow: 0 0 8px var(--sight-glow);
}

.iris-faq-drawer {
  background: var(--sight-panel);
  border-radius: var(--sight-radius);
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
}
.iris-faq-drawer summary {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  transition: color 0.3s ease;
}
.iris-faq-drawer summary::-webkit-details-marker {
  display: none;
}
.iris-faq-drawer[open] summary {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--sight-highlight);
}
.iris-faq-drawer p {
  padding: 1.25rem 1.5rem;
  margin: 0;
  color: var(--sight-dim);
  line-height: 1.6;
}

.macula-check-area {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--sight-dim);
  cursor: pointer;
}
.macula-check-area input {
  margin-top: 0.25rem;
  accent-color: var(--sight-highlight);
  width: 1.2rem;
  height: 1.2rem;
}