:root {
  --gap: 2px;
  --pad: 14px;
  --header-h: 52px;
  --black: #0d0d0d;
  --white: #ffffff;
  --paper: #f3f0e8;
  --paper-2: #e8e4d8;
  --accent: #c0392b;
  --gray-1: #666;
  --gray-2: #bbb;
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  --border: 1.5px solid var(--black);
  --trans: 0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }
body {
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  border-bottom: var(--border);
  gap: 16px;
  background: var(--paper);
}
.site-header__logo { display: flex; align-items: baseline; gap: 8px; flex-shrink: 0; }
.site-header__mark { font-size: 18px; color: var(--accent); line-height: 1; }
.site-header__name { font-family: var(--font-serif); font-size: 20px; font-weight: bold; letter-spacing: 0.06em; }
.site-header__meta { display: flex; flex-direction: column; align-items: center; gap: 3px; flex: 1; min-width: 0; }
.site-header__tag { font-size: 9px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--gray-1); }
.site-header__date { font-family: var(--font-mono); font-size: 9px; color: var(--gray-1); }
.site-header__nav { display: flex; gap: 20px; flex-shrink: 0; }
.site-header__nav a {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--black); text-decoration: none; padding-bottom: 1px;
  border-bottom: 1px solid transparent; transition: border-color var(--trans);
}
.site-header__nav a:hover { border-bottom-color: var(--black); }

/* GRID — layout set by JS via inline gridTemplateAreas */
.grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: 1fr 1fr 1fr;
  grid-template-areas:
    "b1 b1 b2 b3 b3 b3"
    "b1 b1 b2 b4 b4 b5"
    "b1 b1 b2 b4 b4 b5";
  gap: var(--gap);
  padding: var(--gap);
  height: calc(100dvh - var(--header-h));
  width: 100%;
}

/* BLOCK */
.block {
  position: relative; overflow: hidden; cursor: pointer;
  border: var(--border); list-style: none;
  min-height: 0; min-width: 0;
  transition: background var(--trans), color var(--trans);
}
.block { background: var(--white); }
.block:nth-child(even) { background: var(--paper); }
.block:nth-child(3n) { background: var(--paper-2); }

.block[data-slot="1"] { grid-area: b1; }
.block[data-slot="2"] { grid-area: b2; }
.block[data-slot="3"] { grid-area: b3; }
.block[data-slot="4"] { grid-area: b4; }
.block[data-slot="5"] { grid-area: b5; }

.block__inner {
  position: relative; z-index: 1;
  height: 100%; padding: clamp(10px, 1.4vw, 20px);
  display: flex; flex-direction: column; justify-content: space-between;
}

.block__top { display: flex; justify-content: space-between; align-items: flex-start; }
.block__number { font-family: var(--font-mono); font-size: 9px; color: var(--gray-1); transition: color var(--trans); }
.block__tag-label {
  font-size: 8px; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--gray-1); border: 1px solid var(--gray-2); padding: 2px 5px;
  transition: color var(--trans), border-color var(--trans); white-space: nowrap;
}

.block__title {
  font-family: var(--font-serif);
  font-size: clamp(15px, 2.2vw, 30px);
  line-height: 1.08; letter-spacing: -0.015em;
  word-break: break-word; hyphens: auto; margin-top: auto;
}
.block--xl .block__title { font-size: clamp(26px, 3.8vw, 56px); }
.block--lg .block__title { font-size: clamp(18px, 2.5vw, 36px); }

.block__desc {
  font-size: clamp(10px, 0.85vw, 12px);
  color: var(--gray-1); line-height: 1.55; margin-top: 6px;
  display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--trans);
}

.block__bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 8px; margin-top: 8px;
}
.block__year { font-family: var(--font-mono); font-size: 9px; color: var(--gray-1); flex-shrink: 0; transition: color var(--trans); }
.block__extra { font-size: 8px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color var(--trans); }
.block__read { font-size: 9px; text-transform: uppercase; letter-spacing: 0.14em; padding: 3px 8px; border: 1px solid transparent; color: transparent; opacity: 0; flex-shrink: 0; transition: opacity var(--trans), border-color var(--trans), color var(--trans); }

.block__bg-num {
  position: absolute; bottom: -14px; right: 6px;
  font-family: var(--font-serif); font-size: clamp(60px, 9vw, 130px);
  line-height: 1; color: var(--black); opacity: 0.04;
  pointer-events: none; user-select: none; z-index: 0;
  transition: opacity var(--trans), color var(--trans);
}

.block--xl::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 4px; height: 100%; background: var(--accent); z-index: 2;
}

/* TABLET */
@media (max-width: 900px) {
  :root { --header-h: 48px; }
  .grid { grid-template-columns: repeat(4, 1fr); grid-template-rows: 1fr 1fr 1fr; grid-template-areas: "b1 b1 b2 b2" "b1 b1 b3 b3" "b4 b4 b5 b5"; }
}

/* MOBILE */
@media (max-width: 540px) {
  :root { --header-h: 44px; --gap: 1.5px; }
  .grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: 1fr 1fr 1fr; grid-template-areas: "b1 b1" "b2 b3" "b4 b5"; }
  .site-header__meta { display: none; }
  .site-header__nav { gap: 12px; }
  .block__desc { -webkit-line-clamp: 2; }
}

/* BLOCK BUTTON */
.block__btn {
  display: block; width: 100%; height: 100%;
  background: none; border: none; padding: 0; margin: 0;
  cursor: pointer; text-align: left; color: inherit; font: inherit;
  -webkit-tap-highlight-color: transparent;
}
.block__btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }

.block:has(.block__btn:hover) { background: var(--black) !important; color: var(--white); z-index: 10; }
.block:has(.block__btn:hover) .block__number,
.block:has(.block__btn:hover) .block__tag-label,
.block:has(.block__btn:hover) .block__year,
.block:has(.block__btn:hover) .block__extra,
.block:has(.block__btn:hover) .block__desc { color: var(--gray-2); }
.block:has(.block__btn:hover) .block__tag-label { border-color: var(--gray-2); }
.block:has(.block__btn:hover) .block__read { opacity: 1; border-color: rgba(255,255,255,0.4); color: var(--white); }
.block:has(.block__btn:hover) .block__bg-num { opacity: 0.07; color: var(--white); }

body.modal-is-open { overflow: hidden; }