:root {
  --background: #0f0f0f;
  --surface: #181818;
  --surface-light: #222222;
  --text-primary: #f4f4f4;
  --text-secondary: #a8a8a8;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #ffffff;

  --page-padding: clamp(1rem, 4vw, 4rem);
  --section-spacing: clamp(4rem, 8vw, 7rem);
  --radius: clamp(1rem, 2vw, 1.5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text-primary);
  font-family: Inter, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-page {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: var(--page-padding);
}

.project-hero {
  min-height: 35svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-block: clamp(1rem, 3vw, 3rem);
}

.back-link {
  width: fit-content;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: clamp(0.9rem, 1vw, 1rem);
  transition: color 180ms ease;
}

.back-link:hover {
  color: var(--text-primary);
}

.project-intro {
  max-width: 64rem;
}

.project-label {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: clamp(0.85rem, 1vw, 1rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-intro h1 {
  margin: 0;
  font-size: clamp(3.5rem, 11vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
  font-weight: 600;
}

.project-summary {
  max-width: 42rem;
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 1.6vw, 1.5rem);
}

.project-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
}

.project-meta div {
  padding: clamp(1.25rem, 2vw, 2rem);
  background: var(--surface);
}

.project-meta span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-meta p {
  margin: 0;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
}

.project-section {
  margin-top: var(--section-spacing);
}

.project-section h2 {
  max-width: 52rem;
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  font-weight: 600;
}

.project-section p {
  max-width: 48rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: clamp(14rem, 22vw, 28rem);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.gallery-item {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-light);
}

.gallery-item img {
  transition: transform 500ms ease, filter 500ms ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: brightness(1.08);
}

.gallery-item-large {
  grid-column: span 2;
  grid-row: span 3;
}

.gallery-item-wide {
  grid-column: span 2;
  grid-row: span 1;
}

@media (max-width: 900px) {
  .project-hero {
    min-height: 65svh;
  }

  .project-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: clamp(13rem, 42vw, 22rem);
  }

  .gallery-item-large,
  .gallery-item-wide {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  .project-page {
    padding-inline: 1rem;
  }

  .project-meta {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: clamp(15rem, 70vw, 24rem);
  }

  .gallery-item-large,
  .gallery-item-wide {
    grid-column: span 1;
    grid-row: span 1;
  }
}