/* ─── Shared section patterns ─── */
.section-header {
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin-inline: auto;
}

.section-cta {
  margin-top: 48px;
  text-align: center;
}

/* ─── Stats ─── */
.stats {
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.stat {
  padding: 0 40px;
}

.stat:not(:last-child) {
  border-right: 1px solid var(--color-border);
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.stat__unit {
  font-size: clamp(22px, 3vw, 38px);
  color: var(--color-text-muted);
}

.stat__label {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Featured Products ─── */
.featured-products {
  padding: var(--section-padding) 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}

.product-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
}

.product-card__img {
  aspect-ratio: 1;
  background: var(--color-bg-elevated);
  overflow: hidden;
  position: relative;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__img img {
  transform: scale(1.04);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
}

.product-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--color-bg-elevated) 0%,
    var(--color-bg-card) 100%
  );
}

.product-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin-bottom: 4px;
}

.product-card__uses {
  font-size: 12px;
  color: var(--color-text-subtle);
  margin-bottom: 20px;
  flex: 1;
  line-height: 1.5;
}

.product-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.product-card__price-main {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-text);
  display: block;
  line-height: 1.1;
}

.product-card__price-main * {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.product-card__klarna {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 3px;
  display: block;
}

.products-grid__empty {
  grid-column: 1 / -1;
  padding: 48px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

/* ─── Differentiators ─── */
.differentiators {
  padding: var(--section-padding) 0;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.differentiators__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.diff-item {
  padding: 36px 28px;
  background: var(--color-bg-card);
  transition: background var(--transition-base);
}

.diff-item:hover {
  background: var(--color-bg-elevated);
}

.diff-item__icon {
  font-size: 30px;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.diff-item__title {
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 10px;
}

.diff-item__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ─── How It Works ─── */
.how-it-works {
  padding: var(--section-padding) 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  position: relative;
  margin-top: 64px;
}

.steps::after {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 20%,
    var(--color-border) 80%,
    transparent
  );
  pointer-events: none;
}

.step {
  text-align: center;
  padding: 0 32px;
}

.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}

.step__title {
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 12px;
}

.step__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 240px;
  margin-inline: auto;
}

/* ─── Usos Comunes ─── */
.usos {
  padding-top: var(--section-padding);
  border-top: 1px solid var(--color-border);
}

.usos .section-header {
  padding-inline: var(--container-pad);
  max-width: var(--container-max);
  margin-inline: auto;
}

.usos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.uso-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.uso-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
  filter: brightness(0.65) saturate(0.85);
}

.uso-item:hover img {
  transform: scale(1.05);
  filter: brightness(0.75) saturate(1);
}

.uso-item__overlay {
  position: absolute;
  inset: 0;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.75) 0%,
    rgba(0, 0, 0, 0.1) 55%,
    transparent 100%
  );
}

.uso-item__num {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.uso-item__name {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.06em;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.uso-item__desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  max-width: 220px;
}

/* ─── Community / Instagram ─── */
.community {
  padding: var(--section-padding) 0;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
}

.ig-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
  align-items: start;
}

.ig-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base);
  text-decoration: none;
}

.ig-card:hover {
  border-color: var(--color-border-strong);
}

.ig-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.ig-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85) saturate(0.9);
  transition: transform var(--transition-slow);
}

.ig-card:hover .ig-card__img img {
  transform: scale(1.04);
}

.ig-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.ig-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ig-card__icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.ig-card__profile {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.ig-card__caption {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.ig-card__cta {
  font-size: 12px;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

/* ─── FAQs ─── */
.faqs {
  padding: var(--section-padding) 0;
  border-top: 1px solid var(--color-border);
}

.faqs__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg-card);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item[open] {
  border-color: var(--color-border-strong);
}

.faq-item__q {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  letter-spacing: 0.02em;
}

.faq-item__q::marker,
.faq-item__q::-webkit-details-marker {
  display: none;
}

.faq-item__q::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
  line-height: 1;
}

.faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.faq-item__a {
  padding: 0 28px 22px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item__a strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ─── CTA Final ─── */
.cta-final {
  padding: var(--section-padding) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.cta-final__title {
  font-size: clamp(44px, 6vw, 96px);
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.05;
}

.cta-final__subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-inline: auto;
  line-height: 1.65;
  margin-bottom: 40px;
}

.cta-final__meta {
  margin-top: 20px;
  font-size: 13px;
  color: var(--color-text-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.cta-final__meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .differentiators__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 767px) {
  .stats__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stat {
    padding: 0;
    border-right: none;
  }

  .stat:not(:last-child) {
    border-right: none;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .differentiators__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 48px;
  }

  .steps::after {
    display: none;
  }

  .step {
    display: grid;
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    column-gap: 20px;
    text-align: left;
    padding: 0;
  }

  .step__num {
    grid-row: 1 / 3;
    align-self: start;
    margin: 0;
  }

  .step__title {
    align-self: center;
    margin-bottom: 6px;
  }

  .step__desc {
    margin-inline: 0;
    max-width: none;
  }

  .usos__grid {
    grid-template-columns: 1fr;
  }

  .ig-grid {
    grid-template-columns: 1fr;
  }

  .cta-final__meta {
    gap: 16px;
  }
}

@media (min-width: 540px) and (max-width: 767px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─── Touch ─── */
.product-card,
.btn,
.nav-link,
.nav-mobile__link,
.faq-item__q {
  touch-action: manipulation;
}

/* ═══════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════ */

/* ─── Keyframes ─── */
@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ken-burns {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.06);
  }
}

/* ─── Hero entrance (cascade) ─── */
.hero__bg-img {
  animation: ken-burns 14s var(--ease-in-out) forwards;
  will-change: transform;
}

.hero__badge {
  animation: hero-fade-up 600ms var(--ease-out) both;
  animation-delay: 80ms;
}

.hero__title {
  animation: hero-fade-up 700ms var(--ease-out) both;
  animation-delay: 240ms;
}

.hero__subtitle {
  animation: hero-fade-up 600ms var(--ease-out) both;
  animation-delay: 400ms;
}

.hero__actions {
  animation: hero-fade-up 600ms var(--ease-out) both;
  animation-delay: 530ms;
}

/* ─── Scroll reveal base ─── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms var(--ease-out),
    transform 500ms var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="1"] {
  transition-delay: 80ms;
}
.reveal[data-delay="2"] {
  transition-delay: 160ms;
}
.reveal[data-delay="3"] {
  transition-delay: 240ms;
}
.reveal[data-delay="4"] {
  transition-delay: 320ms;
}

/* ─── Usos — clip-path reveal (overrides base reveal) ─── */
.uso-item.reveal {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 700ms var(--ease-in-out);
}

/* Higher specificity (0,3,0) beats .uso-item.reveal (0,2,0) */
.uso-item.reveal.is-visible {
  clip-path: inset(0 0 0 0);
}

.uso-item.reveal[data-delay="1"] {
  transition-delay: 0ms;
}
.uso-item.reveal[data-delay="2"] {
  transition-delay: 130ms;
}
.uso-item.reveal[data-delay="3"] {
  transition-delay: 260ms;
}

/* ─── Steps — line draw (active when JS adds data-line-animated) ─── */
.steps[data-line-animated]::after {
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 900ms var(--ease-out);
}

.steps[data-line-animated].is-visible::after {
  transform: scaleX(1);
}

/* Steps appear after the line starts drawing */
.step.reveal[data-delay="1"] {
  transition-delay: 200ms;
}
.step.reveal[data-delay="2"] {
  transition-delay: 360ms;
}
.step.reveal[data-delay="3"] {
  transition-delay: 520ms;
}

/* ─── FAQ — smooth expand ─── */
.faq-item__a {
  overflow: hidden;
  transition:
    max-height 300ms var(--ease-out),
    opacity 220ms ease;
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .product-card,
  .product-card__img img,
  .uso-item img,
  .ig-card__img img {
    transition: none;
  }

  .hero__badge,
  .hero__title,
  .hero__subtitle,
  .hero__actions,
  .hero__bg-img {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .uso-item.reveal {
    clip-path: none;
    transition: none;
  }

  .steps[data-line-animated]::after {
    transform: scaleX(1);
    transition: none;
  }

  .faq-item__a {
    transition: none;
  }
}