/* ============================================
   Rosa Amora — minimal build
   Full-color background, logo only, no copy.
   ============================================ */

:root{
  --bg: #F9F5EC;
  --ink: #1f1e1b;
}

*{ box-sizing: border-box; }

html, body{ height: 100%; }

html{
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', serif;
}

img{ max-width:100%; display:block; }

a{ color: inherit; text-decoration: none; }

/* ---------- Top nav — visible only over the home screen ---------- */
.site-nav{
  position: fixed;
  top: 0;
  right: 0;
  padding: clamp(20px, 4vw, 40px);
  z-index: 10;
  opacity: 1;
  transition: opacity 0.35s ease;
}

.site-nav.is-hidden{
  opacity: 0;
  pointer-events: none;
}

.site-nav a{
  font-family: 'NaturalMonoAltRegular', 'Courier New', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-nav a:hover{ border-color: var(--ink); }

/* ---------- Home ---------- */
.home{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  scroll-snap-align: start;
}

.home-logo{
  width: clamp(320px, 92vw, 1240px);
}

/* ---------- Collection sections ---------- */
.collection{
  min-height: 100vh;
  background: var(--bg);
  scroll-snap-align: start;
  position: relative;
  display: flex;
  align-items: center;
  padding: clamp(90px, 12vh, 140px) clamp(24px, 5vw, 64px) clamp(60px, 8vh, 100px);
}

.art-grid{
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 2.2vw, 32px);
  align-items: start;
}

.art-piece{
  margin: 0;
}

.art-piece img{
  width: 100%;
  height: auto;
  display: block;
}

/* Section 1 — two pieces, same size, side by side */
.section-1 .piece-a{ grid-column: 2 / span 5; }
.section-1 .piece-b{ grid-column: 7 / span 5; }

/* Section 2 — pair matched by height, not width */
.pair-row{
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(14px, 2.2vw, 32px);
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
}

.pair-row .art-piece img{
  width: auto;
  max-width: 100%;
}

.pair-row--tall .art-piece img{ height: clamp(260px, 54vh, 620px); }

/* Section 2.1 — the third piece, alone on its own screen */
.section-2-1{ justify-content: center; }

.solo-piece--wide img{
  height: 60vh;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}

/* Section 3 — all four pieces scaled into an even 2x2 grid */
.art-grid-4{
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(2, 1fr);
  gap: clamp(16px, 2.6vw, 40px);
}

.art-grid-4 .cell{
  height: clamp(220px, 36vh, 420px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.art-grid-4 .cell img{
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.art-grid-4 .cell--pair{
  gap: clamp(8px, 1.5vw, 20px);
}

.art-grid-4 .cell--pair img{
  height: 100%;
  width: auto;
  max-width: calc(50% - 10px);
  object-fit: contain;
}

/* Section 4 — single poster, scaled to fit fully in the viewport */
.section-4{ justify-content: center; }

.solo-piece--poster{
  max-height: 78vh;
}

.solo-piece--poster img{
  height: 78vh;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}

@media (max-width: 860px){
  .art-grid{ grid-template-columns: 1fr; }
  .section-1 .piece-a,
  .section-1 .piece-b{
    grid-column: 1 / -1;
    margin-top: 0;
  }
  .art-grid{ row-gap: clamp(20px, 6vw, 36px); }
  .collection{ padding-top: clamp(80px, 20vw, 110px); }

  .pair-row{
    flex-direction: column;
    align-items: center;
    gap: clamp(20px, 6vw, 36px);
  }
  .pair-row--tall .art-piece img{
    height: auto;
    width: 100%;
  }
  .solo-piece--wide img{ height: 46vh; }
  .art-grid-4{
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }
  .art-grid-4 .cell{ height: auto; }
  .art-grid-4 .cell img{ width: 100%; height: auto; max-height: none; }
  .art-grid-4 .cell--pair img{ width: calc(50% - 6px); height: auto; }
  .solo-piece--poster{ max-height: 70vh; }
  .solo-piece--poster img{ height: 70vh; }
}

/* ---------- Section 5 — Contact ---------- */
.contact-section{
  justify-content: center;
}

.contact-info{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
  text-align: center;
}

.contact-info a{
  font-size: clamp(1.3rem, 3vw, 2rem);
  border-bottom: 1px solid var(--ink);
}

/* ---------- Contact page ---------- */
.contact{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: var(--bg);
  text-align: center;
}

.contact a{
  font-size: clamp(1.3rem, 3vw, 2rem);
  border-bottom: 1px solid var(--ink);
}

.back-link{
  position: fixed;
  bottom: 0;
  left: 0;
  padding: clamp(20px, 4vw, 40px);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
}

.back-link:hover{ border-color: var(--ink); }