:root {
  --bg: #fafafa;
  --accent: #111;
  --muted: #9b9b9b;
  --card: #fff;
  --radius: 14px;
  --maxw: 420px;
  --highlight: #f7f8fc;
  --blue: #48adff;
}

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

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at top left, #fdfdfd 0%, #f2f4f8 40%, #e9edf5 100%);
  color: var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 20px 14px 70px;
  background-attachment: fixed;
}

/* Frame container */
.frame {
  width: 100%;
  max-width: var(--maxw);
  flex: 1;
}

/* Back Button ABOVE header */
.back-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%; /* smoother round shape */
  background: transparent; /* no background box */
  border: none;
  padding: 0;
  cursor: pointer;
  transition: transform 0.2s ease;
}

/* On hover, subtle movement */
.back-btn:hover {
  transform: translateX(-2px);
}

/* On click (active), glow/shadow around the arrow itself */
.back-btn:active img {
  filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.4));
}

/* Remove any unwanted focus ring */
.back-btn:focus {
  outline: none;
}

/* Arrow image sizing */
.back-btn img {
  width: 18px;
  height: 18px;
  display: block;
}


/* Header (Tier 1 title box) */
header {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(10, 10, 20, 0.033);
  padding: 18px 14px;
  text-align: center;
  margin-bottom: 14px;
}

h1 {
  font-size: 22px;
  font-weight: 900;
  font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
  letter-spacing: 1px;
}

.sub {
  margin-top: 6px;
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
}

/* Cards (Unified section look) */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 10px 30px rgba(15,15,30,0.03);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}


.highlight {
  background: var(--highlight);
}

/* “Grouped” cards visually connected */
.grouped {
  margin-top: -4px; /* subtly overlaps shadow edge */
  border-top: 1px solid rgba(0,0,0,0.04);
}
.grouped:first-of-type {
  margin-top: 0;
}
/* Tier layout */
.tier-body {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 60px;
  align-items: start;
}

/* single-column variant when there's no image */
.tier-body.single {
  display: block;
  text-align: left;
}

/* refined justified text styling */
.tier-desc {
  font-size: 14px;
  line-height: 1.6;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  word-spacing: 0.01em;
  color: var(--accent);
  margin-bottom: 10px;
  text-rendering: optimizeLegibility;
}

/* Before You Buy title (inside tier-head) */
.details-card .tier-head .tier-title {
  font-weight: 400;        /* thicker/bolder title */
  font-size: 16.2px;         /* optional: slightly larger */
  letter-spacing: 0.5px;   /* subtle spacing for clarity */
  margin-bottom: 10px;     /* space below the title */
}

/* Add spacing to the description below the title */
.details-card .tier-desc {
  margin-top: 10px;        /* separates from the title area */
}

.email-link {
  color: inherit;           /* matches surrounding text color */
  text-decoration: none; /* optional: keeps it clear it's a link */
  font-weight: 550;          /* slightly bold for emphasis */
  transition: color 0.2s ease;
}

.email-link:hover {
  color: var(--accent);      /* or any accent color you use */
  text-decoration: none;     /* cleaner on hover */
}
/* Note list refinements */
.note-list {
  margin: 6px 0 0 16px;
  padding: 0;
  list-style-type: disc;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.note-list li {
  margin-bottom: 4px;
}

/* subtle note text */
.note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  font-style: italic;
}


/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.gallery img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}
.gallery img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 22px rgba(0,0,0,0.1);
}

/* Notes */
.note-list {
  margin: 8px 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.note-list li { margin-bottom: 4px; }
.note {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

/* Footer */
.copyright {
  width: 100%;
  max-width: var(--maxw);
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 20px 0;
  margin-top: auto;
}
.copyright a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.copyright a:hover {
  color: var(--blue);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(10,10,20,0.6);
  z-index: 100;
}
.modal.show { display: flex; }
.modal img {
  max-width: 92%;
  max-height: 84%;
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Responsive */
@media (max-width: 420px) {
  .tier-body {
    grid-template-columns: 1fr 100px;
  }
  .thumb {
    width: 100px;
    height: 100px;
  }
}