/**
 * Guía — Cómo preparar archivos para impresión
 * Tokens: bundles/iimprimime/css/tokens.css
 */

.prep-guide {
  --prep-ok: #2e9b4b;
  --prep-ok-bg: rgba(46, 155, 75, 0.08);
  --prep-bad: #c0392b;
  --prep-bad-bg: rgba(192, 57, 43, 0.08);
  --prep-warn: #c45c16;
  --prep-warn-bg: rgba(196, 92, 22, 0.08);
  --prep-ink: #1a2b3c;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto 2.5rem;
  color: var(--color-text-body);
  font-size: 1.25rem;
}

.prep-guide h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.1rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--prep-ink);
  margin: 0 0 0.65rem;
  text-align: center;
}

.prep-guide__lead {
  text-align: center;
  font-size: clamp(1.3rem, 2.2vw, 1.55rem);
  color: var(--color-muted);
  max-width: 46rem;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.prep-guide__tag {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
}

.prep-guide__section-title {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  text-align: center;
  margin: 0 0 0.45rem;
  text-transform: none;
}

.prep-guide__section-sub {
  text-align: center;
  color: var(--color-muted);
  margin: 0 0 1.75rem;
  font-size: 1.3rem;
}

/* Intro */
.prep-intro {
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, var(--color-primary-light), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 80%, rgba(255, 136, 0, 0.08), transparent 50%),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.prep-intro h2 {
  font-size: clamp(1.5rem, 2.8vw, 1.95rem);
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 0.85rem;
  text-transform: none;
}

.prep-intro p {
  margin: 0 auto;
  max-width: 40rem;
  font-size: 1.28rem;
  line-height: 1.6;
}

/* Checklist */
.prep-checks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
  list-style: none;
  padding: 0;
}

@media (min-width: 640px) {
  .prep-checks {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .prep-checks {
    grid-template-columns: repeat(3, 1fr);
  }
}

.prep-check {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.2rem 1.35rem;
  box-shadow: var(--shadow-card);
}

.prep-check__num {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: var(--font-weight-extrabold);
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
  margin: 0 0 0.75rem;
  padding: 0;
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.prep-check h3 {
  font-size: 1.28rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 0.45rem;
  text-transform: none;
}

.prep-check p {
  margin: 0;
  font-size: 1.15rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.prep-check strong {
  color: var(--prep-ink);
  font-weight: var(--font-weight-semibold);
}

/* Example cards */
.prep-examples {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 800px) {
  .prep-examples {
    grid-template-columns: 1fr 1fr;
  }
}

.prep-example {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.25rem 1.45rem;
  box-shadow: var(--shadow-card);
}

.prep-example--wide {
  grid-column: 1 / -1;
}

.prep-example h3 {
  font-size: 1.35rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 0.4rem;
  text-transform: none;
}

.prep-example__desc {
  margin: 0 0 1.1rem;
  font-size: 1.18rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.prep-example__fig {
  margin: 0 0 0.85rem;
}

.prep-example__caption {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.prep-example__caption strong {
  color: var(--prep-ink);
}

/* Bleed / margin — realistic card photos */
.bleed-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.bleed-card {
  border-radius: var(--radius-sm);
  padding: 0.9rem 0.85rem 1rem;
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-border);
}

.bleed-card__label {
  display: block;
  text-align: center;
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
  margin-bottom: 0.7rem;
  line-height: 1.3;
}

.bleed-card--ok .bleed-card__label { color: var(--prep-ok); }
.bleed-card--bad .bleed-card__label { color: var(--prep-bad); }

.bleed-photo {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.12);
}

.bleed-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #fff;
  vertical-align: top;
}

.bleed-photo__note {
  margin: 0;
  padding: 0.5rem 0.55rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: var(--font-weight-bold);
  color: #fff;
  background: rgba(46, 155, 75, 0.92);
  line-height: 1.25;
}

.bleed-photo__note--bad {
  background: rgba(192, 57, 43, 0.94);
}

@media (max-width: 640px) {
  .bleed-demo {
    grid-template-columns: 1fr;
  }
}

/* DPI compare */
.dpi-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.dpi-card {
  text-align: center;
}

.dpi-card__label {
  font-size: 0.9rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.dpi-card--ok .dpi-card__label { color: var(--prep-ok); }
.dpi-card--bad .dpi-card__label { color: var(--prep-bad); }

.dpi-preview {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 0.45rem;
  overflow: hidden;
  background: #ddd;
  position: relative;
}

.dpi-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dpi-preview--lo {
  image-rendering: pixelated;
}

.dpi-preview--lo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: -moz-crisp-edges;
  image-rendering: pixelated;
}

.dpi-card__note {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.4;
}

/* Color modes */
.color-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.color-swatch {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.color-swatch__bar {
  height: 72px;
}

.color-swatch__bar--rgb {
  background: linear-gradient(90deg, #ff2d55, #5ac8fa, #34c759, #ffcc00);
}

.color-swatch__bar--cmyk {
  background: linear-gradient(90deg, #00a8e8, #e4007c, #ffed00, #1a1a1a);
}

.color-swatch__body {
  padding: 0.75rem 0.85rem 0.9rem;
  background: var(--color-bg-subtle);
}

.color-swatch__body strong {
  display: block;
  font-size: 1.15rem;
  color: var(--prep-ink);
  margin-bottom: 0.25rem;
}

.color-swatch__body span {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.4;
}

.color-swatch--ok {
  border-color: rgba(46, 155, 75, 0.35);
}

.color-swatch--bad {
  border-color: rgba(192, 57, 43, 0.35);
}

/* Black text vs fill comparisons */
.black-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 0.85rem;
}

@media (min-width: 900px) {
  .black-compare {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }
}

.black-compare__title {
  margin: 0 0 0.65rem;
  font-size: 1.12rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  text-transform: none;
}

.black-compare__pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.black-sample {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.black-sample__tag {
  display: block;
  text-align: center;
  font-size: 0.88rem;
  font-weight: var(--font-weight-bold);
  padding: 0.4rem 0.45rem;
  line-height: 1.25;
}

.black-sample__tag--ok {
  color: var(--prep-ok);
  background: var(--prep-ok-bg);
}

.black-sample__tag--bad {
  color: var(--prep-bad);
  background: var(--prep-bad-bg);
}

.black-sample__stage {
  min-height: 7.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.75rem;
  gap: 0.35rem;
}

.black-sample__stage--paper {
  background: #f7f7f5;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 12px 12px;
}

.black-sample__text {
  margin: 0;
  font-weight: var(--font-weight-bold);
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.black-sample__text--sm {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
}

/* Pure K100 — crisp */
.black-sample__text--pure {
  color: #111;
}

/* Composed rich black on small type — misregistration / dirty edges */
.black-sample__text--rich {
  color: #1a1a1a;
  text-shadow:
    -1.5px 0 0 rgba(0, 170, 210, 0.85),
    1.5px 0 0 rgba(220, 0, 120, 0.75),
    0 1px 0 rgba(230, 200, 0, 0.45);
  filter: contrast(0.95) saturate(1.2);
  opacity: 0.92;
}

.black-sample__stage--washed {
  background: #4a4a4a;
}

.black-sample__stage--rich {
  background: #0b0d10;
  background-image: linear-gradient(160deg, #0a1520 0%, #050608 55%, #0a0a0c 100%);
  box-shadow: inset 0 0 0 1px rgba(0, 40, 80, 0.35);
}

.black-sample__on-dark {
  margin: 0;
  color: #fff;
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  line-height: 1.35;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.black-sample__meta {
  margin: 0;
  padding: 0.55rem 0.5rem 0.65rem;
  text-align: center;
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  background: #fff;
}

.black-sample__meta code {
  font-size: 0.85rem;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  color: var(--prep-ink);
}

.prep-example__caption code {
  font-size: 0.95em;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

@media (max-width: 520px) {
  .black-compare__pair {
    grid-template-columns: 1fr;
  }
}

/* Common errors */
.prep-errors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 720px) {
  .prep-errors {
    grid-template-columns: 1fr 1fr;
  }
}

.prep-error {
  background: var(--prep-bad-bg);
  border: 1px solid rgba(192, 57, 43, 0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.2rem 1.35rem;
}

.prep-error__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--prep-bad);
  margin-bottom: 0.55rem;
}

.prep-error h3 {
  font-size: 1.22rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 0.45rem;
  text-transform: none;
}

.prep-error p {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-text);
}

.prep-error p:last-child {
  margin-bottom: 0;
}

.prep-error__fix {
  display: block;
  margin-top: 0.35rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(192, 57, 43, 0.15);
  font-size: 1.12rem;
  color: var(--prep-ok);
  font-weight: var(--font-weight-semibold);
  line-height: 1.45;
}

/* Formats compare */
.prep-formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 680px) {
  .prep-formats {
    grid-template-columns: 1fr 1fr;
  }
}

.prep-format {
  border-radius: var(--radius-md);
  padding: 1.5rem 1.4rem 1.6rem;
  border: 1px solid transparent;
}

.prep-format--ok {
  background: var(--prep-ok-bg);
  border-color: rgba(46, 155, 75, 0.22);
}

.prep-format--bad {
  background: var(--prep-warn-bg);
  border-color: rgba(196, 92, 22, 0.22);
}

.prep-format h3 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-size: 1.35rem;
  font-weight: var(--font-weight-bold);
  text-transform: none;
}

.prep-format--ok h3 { color: var(--prep-ok); }
.prep-format--bad h3 { color: var(--prep-warn); }

.prep-format__icon {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  color: #fff;
  flex-shrink: 0;
}

.prep-format--ok .prep-format__icon { background: var(--prep-ok); }
.prep-format--bad .prep-format__icon { background: var(--prep-warn); }

.prep-format ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.prep-format li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.4rem;
  font-size: 1.18rem;
  line-height: 1.45;
  color: var(--color-text);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.prep-format li:last-child {
  border-bottom: none;
}

.prep-format li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
}

.prep-format--ok li::before { background: var(--prep-ok); }
.prep-format--bad li::before { background: var(--prep-warn); }

.prep-format__note {
  margin: 0.85rem 0 0;
  font-size: 1.08rem;
  color: var(--color-muted);
  line-height: 1.45;
}

/* Extra tips */
.prep-tips {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-card);
}

.prep-tips h2 {
  font-size: 1.55rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 1rem;
  text-transform: none;
}

.prep-tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.prep-tips__list li {
  padding: 0.7rem 0 0.7rem 1.85rem;
  position: relative;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 1.18rem;
  line-height: 1.55;
}

.prep-tips__list li:last-child {
  border-bottom: none;
}

.prep-tips__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0.55rem;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.prep-tips__list strong {
  font-weight: var(--font-weight-semibold);
  color: var(--prep-ink);
}

/* Real example image */
.prep-photo {
  text-align: center;
  margin: 0 0 2rem;
}

.prep-photo img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.prep-photo figcaption {
  margin-top: 0.75rem;
  font-size: 1.12rem;
  color: var(--color-muted);
}

/* CTA */
.prep-cta {
  background:
    radial-gradient(ellipse 70% 80% at 15% 30%, var(--color-primary-light), transparent 55%),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.prep-cta h2 {
  font-size: 1.6rem;
  font-weight: var(--font-weight-bold);
  color: var(--prep-ink);
  margin: 0 0 0.55rem;
  text-transform: none;
}

.prep-cta p {
  margin: 0 auto 1.15rem;
  max-width: 36rem;
  color: var(--color-muted);
  font-size: 1.22rem;
  line-height: 1.55;
}

.prep-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.prep-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--btn-height-lg);
  padding: 0 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-bold);
  font-size: 1.15rem;
  text-decoration: none !important;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.prep-cta__btn--primary {
  background: var(--color-primary);
  color: #fff !important;
}

.prep-cta__btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
}

.prep-cta__btn--ghost {
  background: transparent;
  color: var(--color-primary-dark) !important;
  border: 1px solid var(--color-border);
}

.prep-cta__btn--ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

@media (max-width: 480px) {
  .bleed-demo,
  .dpi-demo,
  .color-demo {
    grid-template-columns: 1fr;
  }
}