/* ============================================================
   TERRA Labs — Blog Article Styles
   Extiende theme.css con componentes específicos de artículo.
   Requiere theme.css cargado antes.
   Esquinas: rectas (border-radius: 0).
   ============================================================ */

/* ─── PROGRESS BAR ──────────────────────────────────────── */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(to right, var(--accent), var(--accent-2, #ffc236));
  z-index: 10000;
  box-shadow: 0 0 10px var(--glow);
  pointer-events: none;
}

/* ─── WA BADGE ───────────────────────────────────────────── */
.wa-badge {
  position: absolute; top: -4px; right: -4px;
  width: 20px; height: 20px; background: #dc2626;
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 11px; font-weight: 700;
}

/* ─── ARTICLE HERO ───────────────────────────────────────── */
main { position: relative; z-index: 2; padding-top: clamp(90px, 13vh, 150px); }

.article-hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 clamp(20px, 6vw, 90px) 3rem;
  border-bottom: 1px solid var(--line);
}

.hero-image-wrap {
  height: 360px; overflow: hidden; position: relative;
  margin-bottom: 2.5rem;
}
.hero-image {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 1; display: block;
  transition: transform .8s ease;
}
.hero-image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(239,239,239,0) 0%, var(--bg) 100%);
}

.article-cat {
  font-family: var(--font-mono); font-size: 0.58rem;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 1.2rem;
}
.article-cat::before { content: ""; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 8px var(--glow); }

.article-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.02em; line-height: 1.06;
  margin-bottom: 1.5rem; color: var(--ink);
  text-transform: uppercase;
}

.article-meta {
  display: flex; gap: 2rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
}

/* ─── ARTICLE BODY ───────────────────────────────────────── */
.article-body {
  max-width: 960px; margin: 0 auto;
  padding: 3rem clamp(20px, 6vw, 90px) 6rem;
}

.article-body p {
  margin-bottom: 1.5rem; font-size: 1rem;
  color: rgba(0,0,0,.70); line-height: 1.78;
}

.article-body h2 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  letter-spacing: -0.01em; text-transform: uppercase;
  color: var(--ink);
  margin: 3.5rem 0 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--line);
}

.article-body h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent);
  margin: 2rem 0 0.8rem;
}

.article-body ul,
.article-body ol  { margin: 0 0 1.5rem 1.5rem; }
.article-body ul li,
.article-body ol li { margin-bottom: .65rem; color: rgba(0,0,0,.68); line-height: 1.72; }
.article-body strong { color: var(--ink); font-weight: 700; }

/* ─── HIGHLIGHT BOX ──────────────────────────────────────── */
.highlight-box {
  border-left: 3px solid var(--accent);
  padding: 1.5rem 2rem;
  background: rgba(255,120,63,.06);
  margin: 2.5rem 0;
  font-size: .98rem;
  color: rgba(0,0,0,.72);
  font-style: italic;
  line-height: 1.72;
}

/* ─── CTA BLOCKS ─────────────────────────────────────────── */
.article-cta {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 3rem; margin: 3rem 0; text-align: center;
}
.article-cta h3 {
  font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  letter-spacing: -0.01em; text-transform: uppercase;
  margin-bottom: 1rem; color: var(--ink);
}
.article-cta p { color: var(--muted); margin-bottom: 1.5rem; font-size: .95rem; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 1rem 2.5rem;
  background: var(--accent); color: #fff;
  border: none; border-radius: 0; cursor: pointer; text-decoration: none;
  display: inline-block;
  transition: background .25s, box-shadow .3s, transform .25s;
}
.btn:hover {
  background: var(--ink);
  box-shadow: 0 0 24px var(--glow);
  transform: translateY(-2px);
}

/* ─── EMAIL FORM ─────────────────────────────────────────── */
.email-form { display: flex; gap: 0; margin: 1.5rem auto; max-width: 460px; }
.email-form input {
  flex: 1; padding: .85rem 1.2rem;
  background: var(--bg);
  border: 1px solid var(--line); border-right: none;
  color: var(--ink); font-family: var(--font-mono); font-size: .85rem;
  outline: none; border-radius: 0;
  transition: border-color .25s;
}
.email-form input::placeholder { color: var(--muted); }
.email-form input:focus { border-color: var(--accent); }
.email-form button {
  padding: .85rem 1.5rem; background: var(--accent); color: #fff;
  border: 1px solid var(--accent); border-radius: 0;
  font-family: var(--font-mono); font-size: .68rem;
  font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, border-color .25s;
}
.email-form button:hover { background: var(--ink); border-color: var(--ink); }
.email-form button:disabled { opacity: .6; cursor: not-allowed; }
.email-status {
  font-family: var(--font-mono); font-size: .75rem;
  margin-top: .5rem; text-align: center; letter-spacing: .06em;
}
.email-status.success { color: #16a34a; }
.email-status.error   { color: #dc2626; }

/* ─── RELATED ARTICLES ───────────────────────────────────── */
.related-section { margin: 4rem 0 0; padding-top: 3rem; border-top: 1px solid var(--line); }
.related-title {
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}
.related-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.related-card {
  background: var(--bg-2); text-decoration: none; display: block;
  border-radius: 0; transition: background .35s;
}
.related-card:hover { background: var(--bg); }
.related-img-wrap { height: 150px; overflow: hidden; position: relative; }
.related-img { width: 100%; height: 100%; object-fit: cover; opacity: 1; transition: transform .6s ease; }
.related-card:hover .related-img { transform: scale(1.05); }
.related-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 20%, var(--bg-2) 100%);
  transition: background .35s;
}
.related-card:hover .related-img-overlay { background: linear-gradient(to bottom, transparent 20%, var(--bg) 100%); }
.related-content { padding: 1.5rem 1.5rem 2rem; }
.related-cat {
  font-family: var(--font-mono); font-size: .52rem;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); display: block; margin-bottom: .6rem;
}
.related-heading {
  font-family: var(--font-mono); font-weight: 700;
  font-size: .95rem; color: var(--ink); line-height: 1.35; letter-spacing: -.01em;
  margin-bottom: .5rem;
}
.related-meta {
  font-family: var(--font-mono); font-size: .52rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}

/* ─── FADE-UP ─────────────────────────────────────────────── */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.23,1,.32,1), transform .65s cubic-bezier(.23,1,.32,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ─── PER-ARTICLE: STAT ROW ──────────────────────────────── */
.stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 2.5rem 0;
}
.stat-box { background: var(--bg-2); padding: 2rem; text-align: center; }
.stat-num {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 3rem; color: var(--accent); line-height: 1;
}
.stat-label {
  font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-top: .5rem;
}

/* ─── PER-ARTICLE: FLUJO CARDS ───────────────────────────── */
.flujo-card {
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  padding: 2rem; margin-bottom: 1px;
  display: grid; grid-template-columns: auto 1fr;
  gap: 1.5rem; align-items: start;
  transition: background .3s, border-color .3s;
  border-radius: 0;
}
.flujo-card:hover { background: var(--bg); border-left-color: var(--ink); }
.flujo-num {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 3rem; color: var(--line); line-height: 1;
}
.flujo-title {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 1.4rem; margin-bottom: .5rem; color: var(--ink);
  letter-spacing: -.01em;
}
.flujo-desc { font-size: .9rem; color: var(--muted); line-height: 1.65; }
.flujo-tools { margin-top: .8rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.flujo-tool {
  font-family: var(--font-mono); font-size: .56rem;
  letter-spacing: .12em; text-transform: uppercase;
  background: transparent; color: var(--accent);
  padding: .25rem .7rem;
  border: 1px solid var(--line);
  border-radius: 0;
}

/* ─── PER-ARTICLE: COMPARE TABLE ────────────────────────── */
.compare-table {
  width: 100%; border-collapse: collapse;
  margin: 2.5rem 0; font-size: .88rem;
}
.compare-table th {
  font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--accent); background: var(--bg-2);
  padding: 1rem; text-align: left;
  border: 1px solid var(--line);
}
.compare-table td {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  color: rgba(0,0,0,.68); vertical-align: top;
  background: var(--bg);
}
.compare-table tr:nth-child(even) td { background: var(--bg-2); }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .article-hero  { padding: 0 2rem 3rem; }
  .article-body  { padding: 2rem 2rem 4rem; }
}
@media (max-width: 768px) {
  main { padding-top: clamp(70px, 10vh, 110px); }
  .hero-image-wrap { height: 240px; }
  .article-title { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
  .article-cta { padding: 2rem 1.5rem; }
  .related-grid { grid-template-columns: 1fr; }
  .flujo-card { grid-template-columns: 1fr; gap: .6rem; }
  .flujo-num { font-size: 2rem; }
  .flujo-title { font-size: 1.2rem; }
  .stat-row { grid-template-columns: 1fr; }
  .compare-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .email-form { flex-direction: column; }
  .email-form input { border-right: 1px solid var(--line); border-bottom: none; }
}
@media (max-width: 480px) {
  .article-hero  { padding: 0 1rem 2.5rem; }
  .article-body  { padding: 1.5rem 1rem 3rem; }
  .hero-image-wrap { height: 180px; }
  .stat-num { font-size: 2.4rem; }
  .flujo-title { font-size: 1rem; }
  .flujo-desc { font-size: .82rem; }
  .compare-table th, .compare-table td { padding: .5rem; font-size: .68rem; }
  .article-cta { padding: 1.5rem 1rem; }
}

/* ─── DONATE SECTION ─────────────────────────────────────── */
.donate-section {
  margin: 4rem 0 0; padding: 3rem 2rem;
  border: 1px solid var(--line); border-top: 3px solid var(--accent);
  background: var(--bg-2); text-align: center;
}
.donate-label {
  font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1rem;
}
.donate-text {
  font-size: .97rem; color: var(--ink);
  margin: 0 auto 2rem; line-height: 1.6; max-width: 44ch;
}
.donate-btns { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.donate-btn {
  font-family: var(--font-mono); font-weight: 700; font-size: .72rem;
  letter-spacing: .14em; text-transform: uppercase;
  padding: .85rem 2rem; border-radius: 0; cursor: pointer;
  border: 1px solid var(--accent);
  transition: background .25s, box-shadow .25s, transform .2s, color .25s;
}
.donate-btn.primary { background: var(--accent); color: #fff; }
.donate-btn.primary:hover,
.donate-btn.primary.active { background: var(--ink); border-color: var(--ink); box-shadow: 0 0 20px var(--glow); transform: translateY(-2px); }
.donate-btn.ghost { background: transparent; color: var(--accent); }
.donate-btn.ghost:hover,
.donate-btn.ghost.active { background: var(--accent); color: #fff; box-shadow: 0 0 20px var(--glow); transform: translateY(-2px); }
.donate-panel {
  display: none;
  border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 2rem;
  animation: donate-in .3s ease;
}
.donate-panel.open { display: block; }
@keyframes donate-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.donate-alias {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; flex-wrap: wrap; margin-bottom: .75rem;
}
.donate-alias-label {
  font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.donate-alias-value {
  font-family: var(--font-mono); font-size: 1.35rem;
  font-weight: 700; color: var(--ink); letter-spacing: .03em;
}
.donate-disclaimer {
  font-family: var(--font-mono); font-size: .6rem;
  letter-spacing: .08em; color: var(--muted); margin-top: .5rem;
}
.donate-qr {
  display: block; margin: 0 auto 1.5rem;
  width: 160px; height: 160px; image-rendering: pixelated;
}
.donate-addr {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; flex-wrap: wrap;
}
.donate-addr-text {
  font-family: var(--font-mono); font-size: .65rem;
  letter-spacing: .03em; color: var(--muted);
  word-break: break-all; max-width: 340px;
}
.copy-btn {
  font-family: var(--font-mono); font-size: .62rem;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .5rem 1.2rem; border: 1px solid var(--line);
  background: transparent; color: var(--muted);
  cursor: pointer; border-radius: 0;
  transition: border-color .2s, color .2s; white-space: nowrap;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: #16a34a; color: #16a34a; }