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

body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header & Footer ── */
.site-header {
  background: #fff;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid #eee;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header a {
  color: #111;
  text-decoration: none;
  font-weight: 500;
}

.site-header nav a {
  font-weight: 400;
}

.site-footer {
  background: #fff;
  padding: 0.75rem 1.5rem;
  border-top: 1px solid #eee;
  text-align: center;
  font-size: 0.8rem;
  color: #888;
  flex-shrink: 0;
}

/* ── Home ── */
body.home {
  background: #000;
  overflow: hidden;
}

.home-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bubble-grid {
  /* --cell is the side length of a 1x1 tile.
     min() picks whichever dimension (width or height) fills first. */
  --cell: min(calc((75vw - 50px) / 6), calc((75vh - 40px) / 5));
  display: grid;
  grid-template-columns: repeat(6, var(--cell));
  grid-auto-rows: var(--cell);
  gap: 10px;
  width: calc(6 * var(--cell) + 50px);
}

.bubble-wrapper {
  z-index: 0;
}

.bubble-wrapper:hover {
  z-index: 10;
}

.bubble {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 40px;
  overflow: hidden;
  position: relative;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.bubble:hover {
  transform: scale(1.15);
}

.bubble img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bubble-title {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.bubble:hover .bubble-title {
  opacity: 1;
}

/* Intro tile */
.intro-bubble {
  background: #111;
  cursor: pointer;
}

.intro-bubble p {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  padding: 1rem;
}

/* ── About page ── */
.about {
  flex: 1;
  padding: 2rem;
  color: #111;
}

.about h1 {
  margin-bottom: 1rem;
}

/* ── Project page ── */
body.project-page {
  background: #000;
}

.project {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-header {
  padding: 1rem 0.5rem 0.5rem;
  color: #fff;
}

.project .back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: #aaa;
  text-decoration: none;
  font-size: 0.9rem;
}

.project .back-link:hover {
  color: #fff;
}

.project h1 {
  font-size: 2rem;
  font-weight: 600;
}

.project-section {
  display: flex;
  gap: 10px;
  min-height: 300px;
}

.project-section.reverse {
  flex-direction: row-reverse;
}

.section-media {
  flex: 3;
  border-radius: 40px;
  overflow: hidden;
}

.section-media img,
.section-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section-text {
  flex: 2;
  border-radius: 40px;
  background: #111;
  padding: 2.5rem;
  display: flex;
  align-items: center;
}

.section-text p {
  color: #ccc;
  line-height: 1.75;
  font-size: 0.95rem;
}