:root {
  --color-light: #B8D8D8;
  --color-medium: #7A9E9F;
  --color-dark: #4F6367;
  --color-light-cream: #EEF5DB;
  --color-accent: #FE5F55;
  --color-text: #4F6367;
}

html,
body {
  scroll-behavior: smooth;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--color-light-cream);
  color: var(--color-text);
  padding: 0;
  margin: 0;
}

.landing {
  height: 100vh;
  background: linear-gradient(to bottom right, var(--color-light), var(--color-medium));
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  animation: fadeIn 2s ease-in;
}

.landing h1 {
  font-size: 3rem;
  animation: slideUp 1.5s ease-out;
  color: var(--color-dark);
}

.family-tree-section {
  padding: 60px 15px 120px;
  background: var(--color-light-cream);
  animation: fadeIn 1.5s ease-in;
}

.container {
  max-width: 1200px;
}

/* Grouping box with border and background */
.tree-group {
  border: 3px solid var(--color-medium);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 60px;
  background-color: var(--color-light);
}

/* Flex container for rows */
.tree-row {
  display: flex;
  justify-content: center;
  gap: 30px;
  position: relative;
  padding-bottom: 50px;
  flex-wrap: nowrap;
}

/* Individual member block */
.tree-node {
  background: var(--color-light-cream);
  border-radius: 10px;
  padding: 10px 15px;
  margin: 10px 0;
  width: 180px;
  display: flex;
  align-items: center;
  box-shadow: 1px 1px 5px rgba(79, 99, 103, 0.3);
  position: relative;
  flex-direction: row;
  z-index: 2;
  border: 2px solid var(--color-medium);
  transition: box-shadow 0.3s ease;
  word-wrap: break-word;
  overflow-wrap: break-word;
  /* fix text overflow and wrapping */
  white-space: normal;
}

.tree-node:hover {
  box-shadow: 2px 4px 15px rgba(254, 95, 85, 0.6);
  border-color: var(--color-accent);
}

/* Profile image placeholder - square with slight rounding */
.tree-img {
  width: 60px;
  height: 60px;
  background-color: var(--color-dark);
  margin-right: 15px;
  flex-shrink: 0;
  border: 3px solid var(--color-medium);
  border-radius: 5px;
  object-fit: cover;
}

/* Vertical lines under nodes connecting down */
.tree-node::before {
  content: "";
  position: absolute;
  bottom: -50px;
  left: 50%;
  width: 3px;
  height: 50px;
  background: var(--color-dark);
  transform: translateX(-50%);
  z-index: 1;
}

/* Last generation nodes: remove downward lines */
.tree-row:last-child .tree-node::before {
  content: none;
}

/* Horizontal connection lines between siblings */
.tree-row::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 3px;
  border-bottom: 3px solid var(--color-dark);
  z-index: 0;
}

/* Group title styling */
.generation-title {
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-dark);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(40px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}