:root {
  --purple: #744e96;
  --purple-dark: #322141;
  --purple-light: #f0e6f7;
  --ink: #000000;
  --text-gray: #666666;
  --muted-gray: #888888;
  --bg: #ffffff;
  --card-bg: #eaeaea;

  --font-body: Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---------- header ---------- */

.site-header {
  padding: 3rem 0rem 1rem;
  text-align: center;
  background-color: var(--purple);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.freq {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  color: var(--purple);
  background-color: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.freq:hover {
  background-color: var(--purple-light);
  color: var(--purple-dark);
}

#wiux-link {
  text-decoration: none;
  color: var(--purple-dark);
}

#site-title {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: bold;
  margin: 0;
  color: #ffffff;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.15);
}

#site-sub {
  color: var(--purple-light);
  margin-top: 0.5rem;
  font-size: 0.95rem;
  padding-top: 15px;
}

/* ---------- album bar ---------- */

#album-bar {
  overflow: hidden;
}

.image-container {
  display: flex;
  flex-direction: row;
  gap: 15px;
  padding: 20px 0;
}

.image-container .image {
  height: 125px;
  width: 125px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

/* ---------- nav ---------- */

#nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 2px;
}

.nav-link {
  display: inline-block;
  color: var(--purple-light);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: bold;
  letter-spacing: 0.03em;
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

/* ---------- back to top ---------- */

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border: none;
  border-radius: 50%;
  background-color: var(--purple);
  color: #ffffff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--purple-dark);
}

/* ---------- footer ---------- */

.site-footer {
  text-align: center;
  padding: 2rem 1.5rem 2.5rem;
  font-size: 0.8rem;
  color: var(--muted-gray);
}

/* ---------- responsive ---------- */

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}