:root{
  --bg: #8BDDFD;
  --ink: #0b1220;
  --muted: rgba(11,18,32,.68);
  --card: rgba(255,255,255,.72);
  --border: rgba(11,18,32,.10);
  --shadow: 0 12px 40px rgba(11,18,32,.10);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}

.wrap{
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  padding: 44px 0 20px;
}

.kicker{
  margin: 0 0 8px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--muted);
}

h1{
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
}

.subhead{
  max-width: 70ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.grid{
  
  display: grid;
  gap: 26px;

  grid-template-columns: repeat(3, 1fr); /* ← 3 per row */
  align-items: start;

}

/* each notebook entry */
.page{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  width: 100%;
  margin: 0;          /* don’t offset individual cards in a grid */
 
}
.scan img{
  width: 100%;
  aspect-ratio: 3 / 4;   /* tweak: 4/5, 1/1, etc */
  object-fit: cover;
  display: block;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px){
  .grid{ grid-template-columns: 1fr; }
}

.meta{
  padding: 18px 18px 12px;
}

.title{
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.subtitle{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.date{
  display: inline-block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

/* big scan */
.scan{
  position: relative;
  margin: 0;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.55);
}

.scan img{
  display: block;
  width: 100%;
  height: auto;
  /* makes images feel “printed” */
  filter: contrast(1.02) saturate(1.02);
}

/* hover/tap overlay */
.overlay{
  position: absolute;
  inset: 0;
  margin: 0;
  display: grid;
  align-items: start;
  padding: 14px;
  background: linear-gradient(to top, rgba(11,18,32,.78), rgba(11,18,32,.00) 60%);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.overlay-inner{
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.60);
  border-radius: 14px;
  padding: 12px 12px;
  box-shadow: 0 10px 24px rgba(11,18,32,.18);
  margin-top: 8px;
}

.overlay-title{
  margin: 0 0 6px;
  font-weight: 600;
  font-size: 13px;
}

.overlay-text{
  margin: 0;
  color: rgba(11,18,32,.78);
  font-size: 13px;
}

/* Desktop: hover reveals */
.scan:hover .overlay{
  opacity: 1;
  transform: translateY(0);
}

/* Mobile: tap toggles */
.scan.is-open .overlay{
  opacity: 1;
  transform: translateY(0);
}

/* footer */
.footer{
  padding: 18px 0 44px;
  color: var(--muted);
  font-size: 13px;
}

.no-scroll{ overflow: hidden; }

.lightbox{
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
}

.lightbox.is-open{ display: block; }

.lightbox-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(11,18,32,.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lightbox-figure{
  position: relative;
  z-index: 2001;
  margin: 0;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.lightbox-figure img{
  max-width: min(1100px, 92vw);
  max-height: 84vh;
  width: auto;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0,0,0,.35);
  background: white;
}

.lightbox-caption{
  margin-top: 12px;
  max-width: min(1100px, 92vw);
  color: rgba(255,255,255,.88);
  font-size: 14px;
  text-align: center;
}
.lightbox-close{
  position: absolute;
  top: 16px;
  right: 16px;

  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;

  background: rgba(255,255,255,.85);
  color: #111;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;

  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}