/* ═══════════════════════════════════════════════════════════════════
   SELLYA · home.css — Portada editorial premium.

   Secciones:
   1. Masthead
   2. Hero asimétrico
   3. Why (3 columnas)
   4. Guides (grid 12)
   5. Compare (machine cards)
   6. FAQ (aside sticky + lista)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── 1 · MASTHEAD ────────────────────────────────────────────────── */
.masthead {
  border-top: 1px solid var(--c-rule);
  border-bottom: 1px solid var(--c-rule);
  background: var(--c-paper);
  animation: fadeIn .6s var(--ease-out) both;
}
.masthead__inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 10px var(--gut);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
}
.masthead__col--center {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 15px;
  letter-spacing: .01em;
  text-transform: none;
  color: var(--c-ink);
  text-align: center;
}
.masthead__col--right { text-align: right; }

/* ─── 2 · HERO ────────────────────────────────────────────────────── */
.hero {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 96px) var(--gut) clamp(60px, 8vw, 110px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  left: var(--gut); right: var(--gut);
  top: 0;
  height: 1px;
  background: var(--c-rule);
}
.hero::after {
  content: '';
  position: absolute;
  left: var(--gut);
  top: -3px;
  width: 1px; height: 7px;
  background: var(--c-amber);
}

.hero__left {
  padding-top: clamp(24px, 4vw, 56px);
  position: relative;
  animation: fadeInLeft .7s .1s var(--ease-out) both;
}

.hero__eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  font-weight: 600;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero__eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: currentColor;
}

/* Folio editorial */
.hero__folio {
  display: inline-block;
  padding: 2px 9px;
  margin-right: 10px;
  border: 1px solid currentColor;
  border-radius: var(--br-full);
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .16em;
  font-weight: 500;
  vertical-align: 1px;
  opacity: .85;
}

.hero__h1 {
  font-size: clamp(46px, 7.2vw, 96px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin-bottom: 28px;
  color: var(--c-ink);
}
.hero__h1 em {
  font-style: italic;
  color: var(--c-amber-deep);
  font-weight: 400;
}

.hero__sub {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.6;
  color: var(--c-ink-soft);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero__sub em {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--c-ink);
}

/* Drop-cap */
.hero__dropcap {
  float: left;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 4.2em;
  line-height: .85;
  margin: .05em .1em -.1em 0;
  color: var(--c-amber);
  font-weight: 400;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  padding-top: 28px;
  border-top: 1px solid var(--c-rule);
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  transition: color var(--t-fast);
}
.trust-item:hover { color: var(--c-ink); }
.trust-item svg {
  width: 12px; height: 12px;
  fill: none;
  stroke: var(--c-amber);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--t-base);
}
.trust-item:hover svg { transform: scale(1.15); }

/* ─── HERO DERECHO — card sticky con lista ─────────────────────────── */
.hero__right {
  position: relative;
  padding-top: 12px;
  animation: fadeInUp .7s .2s var(--ease-out) both;
}

.hero__card {
  background: linear-gradient(180deg, var(--c-cream), var(--c-paper-deep));
  border: 1px solid var(--c-rule);
  border-radius: var(--br-md);
  padding: clamp(24px, 2.4vw, 32px);
  position: relative;
  box-shadow: var(--sh-md);
  transition: box-shadow var(--t-base), border-color var(--t-base);
}
.hero__card:hover {
  box-shadow: var(--sh-lg);
  border-color: var(--c-amber-soft);
}

.hero__float-tag {
  position: absolute;
  top: -14px;
  left: 24px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: var(--br-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--sh-sm);
}
.hero__float-tag svg {
  width: 12px; height: 12px;
  fill: var(--c-amber);
  stroke: var(--c-amber);
}

.hero__card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--c-rule);
}
.hero__card-title {
  font-family: var(--ff-serif);
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--c-ink);
}
.hero__card-badge {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  position: relative;
  padding-left: 14px;
}
.hero__card-badge::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-pro);
  animation: pulseDot 2.4s ease-out infinite;
}

/* Machine list */
.machine-list {
  display: flex;
  flex-direction: column;
}
.machine-item {
  display: grid;
  grid-template-columns: 28px 60px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-rule-soft);
  transition: padding var(--t-fast), background var(--t-fast);
  position: relative;
  cursor: pointer;
}
.machine-item:last-child { border-bottom: none; }
.machine-item::after {
  content: '→';
  position: absolute;
  right: 0;
  font-family: var(--ff-serif);
  color: var(--c-ink-mute);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--t-fast), transform var(--t-fast), color var(--t-fast);
}
.machine-item:hover { padding-left: 4px; }
.machine-item:hover::after {
  opacity: 1;
  transform: translateX(0);
  color: var(--c-amber-deep);
}

.machine-num {
  font-family: var(--ff-serif);
  font-size: 24px;
  color: var(--c-amber);
  font-style: italic;
  line-height: 1;
  transition: transform var(--t-fast);
}
.machine-item:hover .machine-num { transform: scale(1.1); }

.machine-thumb {
  width: 60px; height: 60px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(26,15,8,.08), transparent 70%),
    var(--c-paper);
  border-radius: var(--br-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px;
  border: 1px solid var(--c-rule-soft);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.machine-thumb img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  filter: var(--shadow-product);
  transition: transform var(--t-base), filter var(--t-base);
}
.machine-item:hover .machine-thumb {
  border-color: var(--c-amber);
  box-shadow: var(--sh-sm);
}
.machine-item:hover .machine-thumb img {
  transform: scale(1.1) translateY(-2px);
  filter: var(--shadow-product-hover);
}

.machine-info { min-width: 0; }
.machine-name {
  font-family: var(--ff-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--t-fast);
}
.machine-item:hover .machine-name { color: var(--c-amber-deep); }
.machine-tag {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--c-ink-mute);
}

.hero__card-footer {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--c-rule);
  text-align: right;
}
.hero__card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap var(--t-fast);
}
.hero__card-cta:hover { gap: 14px; }
.hero__card-cta svg {
  width: 12px; height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform var(--t-fast);
}
.hero__card-cta:hover svg { transform: translateX(3px); }

/* ─── 3 · WHY ──────────────────────────────────────────────────────── */
.why {
  background: var(--c-cream);
  padding: clamp(80px, 11vw, 140px) 0;
  border-top: 1px solid var(--c-rule);
  position: relative;
  overflow: hidden;
}
.why::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--c-amber), transparent);
}
.why__inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gut);
}
.why__label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  font-weight: 600;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.why__label::before {
  content: '';
  width: 22px; height: 1px;
  background: currentColor;
}
.why__title {
  font-family: var(--ff-serif);
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -.02em;
  max-width: 18ch;
  margin-bottom: 16px;
  color: var(--c-ink);
}
.why__title em {
  font-style: italic;
  color: var(--c-amber-deep);
  font-weight: 400;
}
.why__lede {
  margin-bottom: 70px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-ink-soft);
  max-width: 640px;
}
.why__lede q::before { content: "«"; }
.why__lede q::after  { content: "»"; }

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 56px);
  border-top: 1px solid var(--c-rule);
  padding-top: 50px;
}
.why__item {
  position: relative;
  padding-top: 32px;
  transition: transform var(--t-base);
}
.why__item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--c-amber);
  transition: width var(--t-slow);
}
.why__item:hover { transform: translateY(-4px); }
.why__item:hover::before { width: 64px; }

.why__icon {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin-bottom: 22px;
  color: var(--c-amber-deep);
  background: var(--c-paper);
  border-radius: var(--br-md);
  border: 1px solid var(--c-rule);
  transition: transform var(--t-base), background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.why__item:hover .why__icon {
  transform: rotate(-5deg) scale(1.08);
  background: var(--c-amber);
  color: var(--c-paper);
  border-color: var(--c-amber);
  box-shadow: var(--sh-amber);
}
.why__icon svg {
  width: 24px; height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why__item-title {
  font-family: var(--ff-serif);
  font-size: 26px;
  letter-spacing: -.01em;
  margin-bottom: 14px;
  color: var(--c-ink);
}
.why__item-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink-soft);
}

/* ─── 4 · GUIDES ──────────────────────────────────────────────────── */
.guides {
  padding: clamp(80px, 11vw, 140px) 0;
  background: var(--c-paper);
  border-top: 1px solid var(--c-rule);
  position: relative;
}
.guides::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--c-amber), transparent);
}
.guides__inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gut);
}
.guides__inner > .section-label { display: block; margin-bottom: 18px; }
.guides__inner > .section-title {
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 14px;
  max-width: 22ch;
}
.guides__inner > .section-sub {
  font-size: 17px;
  color: var(--c-ink-soft);
  max-width: 540px;
  margin-bottom: 64px;
}

.guides__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.4vw, 30px);
}

.guide-card {
  order: 1;
  display: flex;
  flex-direction: column;
  background: var(--c-cream);
  border: 1px solid var(--c-rule);
  border-radius: var(--br-md);
  overflow: hidden;
  position: relative;
  transition:
    box-shadow var(--t-base),
    border-color var(--t-base),
    transform var(--t-base);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.guide-card:hover {
  box-shadow: var(--sh-lg);
  border-color: var(--c-amber);
  transform: translateY(-6px);
}
.guide-card--featured {
  order: 3;
  grid-column: 1 / -1;
  flex-direction: row;
  min-height: 340px;
  background: linear-gradient(135deg, var(--c-cream), var(--c-cream-deep));
}
.guide-card--featured .guide-card__visual {
  flex: 0 0 42%;
  aspect-ratio: auto;
  border-bottom: none;
  border-right: 1px solid var(--c-rule);
}
.guide-card--featured .guide-card__body {
  flex: 1;
  padding: clamp(32px, 4vw, 56px);
}
.guide-card--featured .guide-card__title {
  font-size: clamp(28px, 3.4vw, 44px);
}
.guide-card--featured:hover { transform: translateY(-4px); }

.guide-card__visual {
  position: relative;
  background:
    radial-gradient(ellipse 60% 80% at 50% 115%, rgba(200,120,48,.18), transparent 58%),
    linear-gradient(155deg, #200E04 0%, var(--c-ink) 100%);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border-bottom: 1px solid rgba(244,239,228,.10);
  overflow: hidden;
  isolation: isolate;
}
.guide-card--featured .guide-card__visual {
  aspect-ratio: auto;
  border-bottom: none;
  border-right: 1px solid rgba(244,239,228,.10);
}

/* Amber halo on hover */
.guide-card__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 10%, rgba(200,120,48,.28), transparent 60%);
  opacity: 0;
  transition: opacity var(--t-base);
  z-index: 1;
}
.guide-card:hover .guide-card__visual::after { opacity: 1; }

/* Bottom shine line on hover */
.guide-card__visual::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-amber), transparent);
  opacity: .35;
  transition: opacity var(--t-base);
  z-index: 1;
}
.guide-card:hover .guide-card__visual::before { opacity: 1; }

.guide-card__visual img {
  position: relative;
  z-index: 2;
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  display: block;
  filter: var(--shadow-product);
  transition: transform var(--t-slow), filter var(--t-slow);
}
.guide-card:hover .guide-card__visual img {
  transform: scale(1.07) translateY(-6px);
  filter: var(--shadow-product-hover);
}

.guide-card__num {
  position: absolute;
  bottom: -6px; right: 10px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: clamp(80px, 12vw, 140px);
  font-weight: 400;
  color: rgba(200, 120, 48, .20);
  z-index: 1;
  line-height: 1;
  user-select: none;
  transition: color var(--t-base);
  pointer-events: none;
}
.guide-card:hover .guide-card__num {
  color: rgba(200, 120, 48, .38);
}
.guide-card__tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  margin-bottom: 12px;
}

.guide-card__body {
  padding: 28px clamp(22px, 2.4vw, 32px) 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-card__title {
  font-family: var(--ff-serif);
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin-bottom: 12px;
  color: var(--c-ink);
  transition: color var(--t-fast);
}
.guide-card:hover .guide-card__title { color: var(--c-amber-deep); }
.guide-card__title em { font-style: italic; color: var(--c-amber-deep); }
.guide-card__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  margin-bottom: 22px;
  flex: 1;
}
.guide-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  align-self: flex-start;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap var(--t-fast);
}
.guide-card:hover .guide-card__link { gap: 14px; }
.guide-card__link svg {
  width: 12px; height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform var(--t-fast);
}
.guide-card:hover .guide-card__link svg { transform: translateX(4px); }

/* ─── 5 · COMPARE ─────────────────────────────────────────────────── */
.compare {
  padding: clamp(80px, 11vw, 140px) 0;
  background: var(--c-ink);
  border-top: none;
  position: relative;
}
.compare::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--c-amber), transparent);
}
.compare__inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gut);
}
.compare__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(244,239,228,.12);
}
.compare__header > div { flex: 1; min-width: 0; }
.compare__header .section-title {
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -.02em;
  max-width: 18ch;
  color: var(--c-paper);
}
.compare__lede {
  grid-column: 1;
  margin-top: 14px;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-ink-faint);
  max-width: 640px;
}
.compare__lede q::before { content: "«"; }
.compare__lede q::after  { content: "»"; }
.compare__see-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber-soft);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.compare__see-all:hover { gap: 14px; color: var(--c-paper); }
.compare__see-all svg {
  width: 12px; height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform var(--t-fast);
}
.compare__see-all:hover svg { transform: translateX(3px); }

.machines__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(20px, 2.4vw, 28px);
}

/* Machine cards */
.machine-card {
  display: flex;
  flex-direction: column;
  background: var(--c-paper);
  border: 1px solid rgba(244,239,228,.14);
  border-radius: var(--br-md);
  overflow: hidden;
  transition:
    box-shadow var(--t-base),
    border-color var(--t-base),
    transform var(--t-base);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.machine-card:hover {
  box-shadow: var(--sh-amber-lg);
  border-color: var(--c-amber-soft);
  transform: translateY(-5px);
}
.machine-card--top { border-color: rgba(244,239,228,.30); }
.machine-card--top:hover { border-color: var(--c-amber); }

.machine-card__visual {
  position: relative;
  background:
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(26,15,8,.12), transparent 70%),
    linear-gradient(165deg, var(--c-paper-deep), var(--c-cream-deep));
  aspect-ratio: 5/4;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  border-bottom: 1px solid var(--c-rule);
  overflow: hidden;
  isolation: isolate;
}
/* Amber halo */
.machine-card__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, var(--c-amber-tint), transparent 65%);
  opacity: 0;
  transition: opacity var(--t-base);
  z-index: 1;
}
.machine-card:hover .machine-card__visual::before { opacity: 1; }
/* Bottom shine */
.machine-card__visual::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-amber), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
  z-index: 1;
}
.machine-card:hover .machine-card__visual::after { opacity: 1; }

.machine-card__visual img {
  position: relative;
  z-index: 2;
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  display: block;
  filter: var(--shadow-product);
  transition: transform var(--t-slow), filter var(--t-slow);
}
.machine-card:hover .machine-card__visual img {
  transform: scale(1.08) translateY(-5px);
  filter: var(--shadow-product-hover);
}

.machine-card__body {
  padding: 24px clamp(20px, 2.2vw, 28px) 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.machine-card__brand {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: 8px;
}
.machine-card__name {
  font-family: var(--ff-serif);
  font-size: 22px;
  letter-spacing: -.01em;
  margin-bottom: 10px;
  color: var(--c-ink);
  transition: color var(--t-fast);
}
.machine-card:hover .machine-card__name { color: var(--c-amber-deep); }
.machine-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  flex: 1;
  margin-bottom: 18px;
}
.machine-card__footer {
  padding: 0 clamp(20px, 2.2vw, 28px) 22px;
  display: flex;
  gap: 8px;
}
.machine-card__footer .btn-amazon { flex: 1; }

/* ─── 6 · FAQ ──────────────────────────────────────────────────────── */
.faq {
  padding: clamp(80px, 11vw, 140px) 0;
  background: var(--c-paper);
  border-top: 1px solid var(--c-rule);
  position: relative;
}
.faq::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--c-amber), transparent);
}
.faq__inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gut);
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.faq__left {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.faq__left > .section-label { display: block; margin-bottom: 18px; }
.faq__left > .section-title {
  font-size: clamp(36px, 4.8vw, 56px);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 28px;
}
.faq__left > .section-sub {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink-soft);
  margin-bottom: 28px;
}
.faq__left .section-sub a {
  color: var(--c-amber-deep);
  border-bottom: 1px solid currentColor;
}
.faq__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber-deep);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap var(--t-fast);
}
.faq__cta:hover { gap: 14px; }
.faq__cta svg {
  width: 12px; height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform var(--t-fast);
}
.faq__cta:hover svg { transform: translateX(3px); }
.faq__list { border-top: 1px solid var(--c-ink); }

/* ─── CARD SPOTLIGHT (activado por JS) ───────────────────────────── */
.machine-card { position: relative; }
.guide-card  { position: relative; }

/* guide-card hover lift (machine-card ya tiene transform en su bloque base) */
.guide-card:hover   { transform: translateY(-6px); }

/* Machine card top accent line animada */
.machine-card--top::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-amber), var(--c-amber-deep), var(--c-amber));
  background-size: 200%;
  animation: shimmer 3s linear infinite;
}

/* ─── HERO · STAGGER MACHINE ITEMS ───────────────────────────────── */
/* Animación escalonada de los items del hero card, se disparan tras
   la animación del hero__right (.7s + delay .2s = ~0.9s base) */
.machine-list .machine-item {
  opacity: 0;
  animation: fadeInUp .45s var(--ease-out) both;
}
.machine-list .machine-item:nth-child(1) { animation-delay: .80s; }
.machine-list .machine-item:nth-child(2) { animation-delay: .96s; }
.machine-list .machine-item:nth-child(3) { animation-delay: 1.12s; }
.machine-list .machine-item:nth-child(4) { animation-delay: 1.28s; }

/* ─── GUIDES · DELAY CSS PARA STAGGER-CHILDREN ───────────────────── */
/* Complementa el delay base del padre stagger-children en guide-cards */
.guides__grid.stagger-children.visible > .guide-card:nth-child(1) { transition-delay: 0s; }
.guides__grid.stagger-children.visible > .guide-card:nth-child(2) { transition-delay: .14s; }
.guides__grid.stagger-children.visible > .guide-card:nth-child(3) { transition-delay: .28s; }

/* ─── RESPONSIVE ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .masthead__inner { grid-template-columns: 1fr; gap: 4px; text-align: center; }
  .masthead__col--right { text-align: center; }
  .masthead__col--center { font-size: 14px; }

  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__left { padding-top: 0; }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .guide-card--featured { flex-direction: column; }
  .guide-card--featured .guide-card__visual {
    flex: 0 0 auto;
    aspect-ratio: 16/8;
    border-right: none;
    border-bottom: 1px solid var(--c-rule);
  }
  .faq__inner { grid-template-columns: 1fr; gap: 40px; }
  .faq__left { position: static; }
  .compare__header { align-items: flex-start; }
  .compare__see-all { align-self: flex-start; }
}

@media (max-width: 768px) {
  .hero__h1 { font-size: clamp(40px, 9vw, 64px); }
  .why__lede, .compare__lede { font-size: 17px; }
  .hero__folio { display: inline-block; margin: 0 8px 8px 0; width: max-content; }
}

@media (max-width: 640px) {
  .hero__h1 { font-size: clamp(36px, 11vw, 56px); }
  .hero__sub { font-size: 15px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn-primary,
  .hero__actions .btn-ghost { width: 100%; justify-content: center; }
  .hero__trust { gap: 14px 20px; }
  .why__grid { grid-template-columns: 1fr; }
  .why__item:hover { transform: none; }
  .why__item-title { font-size: 22px; }
  .guides__grid { grid-template-columns: 1fr; gap: 16px; }
  .guide-card--featured { grid-column: auto; }
  .guide-card:hover { transform: none; }
  .guide-card__num { font-size: clamp(60px, 18vw, 100px); }
  .machines__grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .machine-card:hover { transform: none; }
  .machine-card__visual { aspect-ratio: 1; padding: 14px; }
  .machine-card__body { padding: 16px 16px 12px; }
  .machine-card__footer { padding: 0 16px 16px; }
  .hero__card { padding: 20px 18px; }
  .machine-item { grid-template-columns: 24px 48px 1fr; gap: 10px; }
  .machine-thumb { width: 48px; height: 48px; padding: 5px; }
  .compare__header { flex-direction: column; gap: 20px; }
  .compare__lede { font-size: 17px; }
  .faq__inner { gap: 32px; }
}

@media (max-width: 400px) {
  .hero__h1 { font-size: clamp(32px, 12vw, 48px); }
  .hero__card { padding: 16px; }
  .machine-item { gap: 8px; }
}