/* ---------- futureña.com / styles ----------
   Simple, geometric, grid-driven.
   Black on off-white. Hairline rules.
   Type stack stays neutral so the logotype carries the brand.
-------------------------------------------------- */

:root {
  --ink: #111111;
  --ink-soft: #555555;
  --paper: #f6f4ed;
  --line: #111111;
  --line-soft: rgba(17, 17, 17, 0.18);
  --accent: #d94f04;
  --grid-gap: 0px;
  --max-width: 1400px;
  --gutter: clamp(20px, 4vw, 56px);
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 0;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ---------- Header ---------- */

.site-header {
  padding: var(--gutter) var(--gutter) 0 var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.header-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: clamp(32px, 5vw, 64px);
}

.logotype {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logotype-img {
  display: block;
  height: clamp(31px, 3.6vw, 48px);
  width: auto;
  flex-shrink: 0;
  max-width: 100%;
}

/* Legacy placeholder, kept harmless in case the image fails */
.logotype-placeholder {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.02em;
  border: 1px dashed var(--line-soft);
  padding: 6px 14px;
}

.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.lang-toggle {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  border: 1px solid var(--line);
  transition: background 120ms ease, color 120ms ease;
}

.lang-toggle:hover {
  background: var(--ink);
  color: var(--paper);
}

.lang-sep {
  margin: 0 4px;
  opacity: 0.45;
}

[data-other-lang] {
  opacity: 0.45;
}

/* ---------- Hero ---------- */

.hero {
  max-width: 720px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px 0;
}

.hero-title {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  font-weight: 500;
  margin: 0 0 14px 0;
  max-width: 28ch;
  color: var(--ink);
}

.hero-sub {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 56ch;
}

/* ---------- Control bar (filter + search) ---------- */

.control-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 240px;
  max-width: 420px;
  border: 1px solid var(--line);
  padding: 6px 12px;
  background: transparent;
}

.search-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  padding: 6px 0;
  min-width: 0;
}

.search-input::placeholder {
  color: var(--ink-soft);
  opacity: 0.7;
}

.search-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  white-space: nowrap;
}

.empty-state {
  padding: clamp(40px, 8vw, 96px) 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-align: center;
}

[hidden] {
  display: none !important;
}

.filter {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: transparent;
  transition: background 120ms ease, color 120ms ease;
}

.filter:hover {
  background: var(--ink);
  color: var(--paper);
}

.filter.active {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Grid ---------- */

.page-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}

.tile {
  grid-column: span 4;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  background: var(--paper);
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.tile a.tile-link {
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 100%;
}

.tile.is-wide {
  grid-column: span 8;
}

/* Thumbnail — the dominant element */
.tile-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #ddd6c6;
  border-bottom: 1px solid var(--line);
  display: block;
}

.tile-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease, filter 320ms ease;
}

.tile:hover .tile-thumb img {
  transform: scale(1.04);
  filter: contrast(1.05) saturate(1.05);
}

/* Placeholder when no thumbnail is provided */
.tile-thumb.is-empty {
  background:
    linear-gradient(135deg, transparent 49%, var(--line-soft) 49%, var(--line-soft) 51%, transparent 51%),
    var(--paper);
  background-size: 32px 32px;
}

.tile-thumb.is-empty::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px dashed var(--line-soft);
  margin: 16px;
}

.tile-body {
  padding: clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tile-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.tile-number { opacity: 0.6; }
.tile-type { display: inline-block; }

.tile-title {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 0 0 12px 0;
}

.tile.is-wide .tile-title {
  font-size: clamp(22px, 2vw, 28px);
}

.tile-excerpt {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 20px 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Microensayos look identical to bites in the grid: same height, same density */
.tile[data-type="microensayo"] {
  cursor: pointer;
}

.tile[data-type="microensayo"] .tile-sources {
  display: none;
}

.tile-footer {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.tile-source {
  color: var(--ink-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.tile-arrow {
  display: inline-block;
  transition: transform 200ms ease;
  flex-shrink: 0;
}

.tile:hover .tile-arrow {
  transform: translate(4px, -4px);
}

.tile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

/* Multi-source list for essays */
.tile-sources {
  list-style: none;
  padding: 0;
  margin: 8px 0 16px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.tile-sources li {
  border-top: 1px solid var(--line-soft);
}

.tile-sources li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.tile-sources a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  transition: color 120ms ease, padding 200ms ease;
}

.tile-sources a:hover {
  color: var(--ink);
  padding-left: 6px;
}

.tile-sources-arrow {
  flex-shrink: 0;
  opacity: 0.6;
  transition: transform 200ms ease, opacity 200ms ease;
}

.tile-sources a:hover .tile-sources-arrow {
  transform: translate(2px, -2px);
  opacity: 1;
}

.tile-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--ink-soft);
  border: 1px solid var(--line-soft);
  padding: 2px 8px;
}

/* When filter hides tiles */
.tile[hidden] {
  display: none;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: var(--gutter) 0;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  align-items: baseline;
}

.footer-text {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 50ch;
  margin: 0;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.footer-meta a {
  border-bottom: 1px solid var(--line);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .tile { grid-column: span 6; min-height: 280px; }
  .tile.is-essay { grid-column: span 12; }
  .tile.is-wide { grid-column: span 12; }
}

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .tile,
  .tile.is-essay,
  .tile.is-wide { grid-column: span 1; min-height: 240px; }
  .header-grid { flex-direction: row; }
  .filter-bar { gap: 6px; }
  .filter { padding: 6px 10px; }
}

/* ---------- Modal (microensayo full read) ---------- */

.modal[hidden] { display: none; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 4vw, 40px);
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 17, 17, 0.72);
  cursor: pointer;
}

.modal-content {
  position: relative;
  background: var(--paper);
  width: min(820px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--line);
  padding: clamp(28px, 4vw, 56px);
}

.modal-close {
  position: absolute;
  top: 8px;
  right: 12px;
  width: 36px;
  height: 36px;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  color: var(--ink);
}

.modal-close:hover {
  background: var(--ink);
  color: var(--paper);
}

.modal-body .modal-thumb {
  width: calc(100% + clamp(56px, 8vw, 112px));
  margin: calc(-1 * clamp(28px, 4vw, 56px)) calc(-1 * clamp(28px, 4vw, 56px)) clamp(20px, 3vw, 32px) calc(-1 * clamp(28px, 4vw, 56px));
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--line-soft);
}

.modal-body .modal-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modal-body .modal-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-body .modal-title {
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 0 0 16px 0;
}

.modal-body .modal-essay {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 28px 0;
  white-space: pre-wrap;
}

.modal-body .modal-essay p {
  margin: 0 0 16px 0;
}

.modal-body .modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.modal-body .modal-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--ink-soft);
  border: 1px solid var(--line-soft);
  padding: 2px 8px;
}

.modal-body .modal-sources-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 8px 0;
}

.modal-body .modal-sources {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.modal-body .modal-sources li {
  border-bottom: 1px solid var(--line-soft);
}

.modal-body .modal-sources a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  transition: padding 200ms ease;
}

.modal-body .modal-sources a:hover {
  padding-left: 8px;
}

body.modal-open {
  overflow: hidden;
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}