/* ==========================================================================
   Blog: tarjetas de notas, cabecera, texto de la nota y calculadoras
   ========================================================================== */

/* Tarjetas de notas */

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 3vw, 2.75rem);
}

.post-grid--index {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.post-card {
  min-width: 0;
  border-top: 1px solid var(--border-strong);
}

.post-card__link {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  height: 100%;
  padding-top: 1.4rem;
}

.post-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.2rem;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

.post-card__meta span:first-child {
  color: var(--gold-text);
}

.post-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 400;
  line-height: 1.15;
  text-wrap: balance;
  transition: color 0.4s var(--ease);
}

.post-grid--index .post-card__title {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
}

.post-card__text {
  max-width: 34rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted);
}

.post-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: var(--tracking-button);
  text-transform: uppercase;
}

.post-card__link:hover .post-card__title {
  color: var(--gold-text);
}

.post-card__link:hover .arrow {
  transform: translateX(6px);
}

/* Cabecera de la nota */

.post-hero {
  padding-top: calc(var(--nav-height) + clamp(2.5rem, 6vw, 4.5rem));
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
  background: var(--cream);
}

.post-hero__inner {
  display: grid;
  gap: 1.3rem;
}

.post-hero__crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

.post-hero__crumbs a {
  color: var(--ink);
  border-bottom: 1px solid var(--border-strong);
}

.post-hero__title {
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.post-hero__lead {
  max-width: 40rem;
  font-size: var(--fs-lead);
  line-height: 1.6;
  color: var(--muted);
}

.post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-strong);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}

.post-hero__meta span:first-child {
  color: var(--ink);
  font-weight: 600;
}

/* Cuerpo de la nota */

.post-body {
  display: grid;
  grid-template-columns: minmax(0, 44rem) minmax(15rem, 19rem);
  justify-content: space-between;
  align-items: start;
  gap: clamp(3rem, 6vw, 5rem);
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.post-main {
  display: grid;
  gap: clamp(3rem, 6vw, 4.5rem);
  min-width: 0;
}

.post-aside {
  position: sticky;
  top: calc(var(--nav-height-compact) + 2rem);
  display: grid;
  gap: 1.5rem;
}

.post-aside__box {
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-strong);
}

.post-aside__title,
.post-aside__kicker {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}

.post-toc {
  display: grid;
  gap: 0.2rem;
  margin-top: 0.8rem;
  counter-reset: toc;
}

.post-toc li {
  counter-increment: toc;
}

.post-toc a {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  padding-block: 0.4rem;
  font-size: 0.9rem;
  line-height: 1.45;
  transition: color 0.3s var(--ease);
}

.post-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gold-text);
  padding-top: 0.15rem;
}

.post-toc a:hover {
  color: var(--gold-text);
}

.post-aside__cta {
  display: grid;
  gap: 0.8rem;
  padding: 1.5rem;
  background: var(--dark-brown);
  color: var(--on-dark);
}

.post-aside__cta .post-aside__kicker {
  color: var(--on-dark-muted);
}

.post-aside__text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
}

.post-aside__cta .button {
  margin-top: 0.4rem;
  padding-inline: 1rem;
  white-space: normal;
  text-align: center;
  line-height: 1.4;
  padding-block: 0.8rem;
}

.prose h2 {
  scroll-margin-top: calc(var(--nav-height-compact) + 1.5rem);
}

.prose {
  max-width: 44rem;
  min-width: 0;
  font-size: 1.06rem;
  line-height: 1.8;
}

.prose > * + * {
  margin-top: 1.25rem;
}

.prose h2 {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.15rem);
  font-weight: 400;
  line-height: 1.15;
  text-wrap: balance;
}

.prose h3 {
  margin-top: 2rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
}

.prose strong {
  font-weight: 700;
}

.prose a {
  border-bottom: 1px solid currentColor;
}

.prose ul,
.prose ol {
  display: grid;
  gap: 0.6rem;
  padding-left: 0;
}

.prose ul li,
.prose ol li {
  position: relative;
  padding-left: 1.75rem;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.85em;
  width: 0.8rem;
  height: 1px;
  background: var(--gold);
}

.prose ol {
  counter-reset: item;
}

.prose ol li {
  counter-increment: item;
}

.prose ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold-text);
}

.prose blockquote {
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
  padding: 1.1rem 0 0 1.25rem;
  border-left: 1px solid var(--gold);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--border-strong);
}

.prose table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.55;
}

.prose th {
  padding: 0.9rem 1rem 0.9rem 0;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-align: left;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.prose td {
  padding: 0.95rem 1rem 0.95rem 0;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.prose td:first-child {
  font-weight: 600;
  white-space: nowrap;
}

/* Autor */

.post-author {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 1.5rem;
  max-width: 44rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-strong);
}

.post-author img {
  width: 4.5rem;
  height: 5.6rem;
  object-fit: cover;
  object-position: 50% 25%;
}

.post-author div {
  flex: 1 1 14rem;
}

.post-author__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.post-author__role {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Calculadora */

.calc {
  margin-block: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--border-strong);
  background: var(--white);
}

.calc__head {
  display: grid;
  gap: 0.3rem;
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--border);
}

.calc__kicker {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gold-text);
}

.calc__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
}

.calc__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.calc__inputs {
  display: grid;
  align-content: start;
  gap: 1.3rem;
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem) 2rem;
  font-size: 1rem;
  line-height: 1.5;
}

.calc__months {
  margin: 0;
  padding: 0;
  border: 0;
}

.calc__months legend {
  margin-bottom: 0.6rem;
}

.calc__months-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.calc__month {
  display: grid;
  gap: 0.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
}

.calc__month input {
  width: 100%;
  min-height: 2.6rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--off-white);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.calc__month input:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.calc__result {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  padding: 1.75rem clamp(1.25rem, 3vw, 2rem) 2rem;
  background: var(--dark-brown);
  color: var(--on-dark);
  line-height: 1.5;
}

.calc__label {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--on-dark-muted);
}

.calc__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.calc__details {
  display: grid;
  margin: 0.5rem 0 0;
  border-top: 1px solid var(--border-light);
}

.calc__details div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.65rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.86rem;
}

.calc__details dt {
  color: var(--on-dark-muted);
}

.calc__details dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.calc__formula {
  font-size: 0.8rem;
  color: var(--on-dark-muted);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.calc__note {
  font-size: 0.76rem;
  color: var(--on-dark-muted);
}

/* Responsive */

@media (max-width: 960px) {
  .post-grid,
  .post-grid--index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .post-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-aside {
    position: static;
  }

  .post-aside__box {
    display: none;
  }

  .calc__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .post-grid,
  .post-grid--index {
    grid-template-columns: minmax(0, 1fr);
  }

  .prose {
    font-size: 1rem;
  }

  .calc__months-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}