/* ============================================================
   EPI MARKETPLACE — ANIMATIONS.CSS
   UI/UX PRO MAX: meaningful motion, spatial continuity
   Duration: 150–300ms micro / 450ms reveals / 700ms complex
   Easing: ease-out-quart (perception of response)
   Reduced-motion: fully disabled via tokens.css prefers-reduced-motion
   ============================================================ */

/* ============================================================
   SKIP LINK — Accessibility first (visually hidden until focused)
============================================================ */
.skip-link {
  position: fixed;
  top: 0;
  left: var(--space-6);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background: var(--clr-orange);
  color: white;
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  /* Visually hidden until focused — proper clip technique */
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
  width: 1px;
  height: 1px;
  transition: none;
}

.skip-link:focus {
  clip: auto;
  clip-path: none;
  overflow: visible;
  width: auto;
  height: auto;
  white-space: normal;
}

/* ============================================================
   HERO ANIMATIONS — staggered entrance
============================================================ */
.hero__eyebrow {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.1s both;
}

.hero__headline .hero__line {
  display: block;
  overflow: hidden;
}

.hero__line--1 { animation: revealLine 0.7s var(--ease-out) 0.15s both; }
.hero__line--2 { animation: revealLine 0.7s var(--ease-out) 0.28s both; }
.hero__line--accent { animation: revealLine 0.7s var(--ease-out) 0.40s both; }
.hero__line--orange { animation: revealLine 0.7s var(--ease-out) 0.52s both; }

.hero__desc {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.6s both;
}

.hero__actions {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.72s both;
}

.hero__stats {
  animation: fadeSlideUp 0.5s var(--ease-out) 0.88s both;
}

.hero__visual {
  animation: scaleIn 0.8s var(--ease-out) 0.3s both;
}

.hero__badge--tl {
  animation: popIn 0.5s var(--ease-out) 0.9s both;
}

.hero__badge--br {
  animation: popIn 0.5s var(--ease-out) 1.05s both;
}

/* ============================================================
   KEYFRAMES
============================================================ */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealLine {
  from {
    opacity: 0;
    transform: translateY(32px) skewY(1deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.80) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ============================================================
   TRUST BAR — slide in from bottom
============================================================ */
.trust-bar__item {
  animation: fadeSlideUp 0.5s var(--ease-out) calc(0.05s * var(--i, 1)) both;
  animation-play-state: paused;
}

.trust-bar.in-view .trust-bar__item {
  animation-play-state: running;
}

/* ============================================================
   PRODUCT CARD — hover micro-interactions
   UI/UX: 44×44px min touch, spring-feel lift
============================================================ */
.product-card {
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 4px 6px oklch(18% 0.02 252 / 0.04),
    0 12px 32px oklch(18% 0.02 252 / 0.12);
}

/* Image scale on card hover — visual delight */
.product-card:hover .product-card__image img {
  transform: scale(1.06);
}

/* Actions reveal slightly on hover */
.product-card__actions {
  transition: opacity var(--dur-fast) var(--ease-out);
}

/* ============================================================
   CAT CARD — directional lift
============================================================ */
.cat-card {
  display: block;
  text-decoration: none;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: white;
  border: 1px solid var(--clr-surface-3);
  transition:
    transform var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out),
    border-color var(--dur-normal) var(--ease-out);
  position: relative;
}

.cat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: oklch(57% 0.20 220 / 0.25);
}

.cat-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--clr-surface-2);
}

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

.cat-card:hover .cat-card__img img {
  transform: scale(1.08);
}

.cat-card__body {
  padding: var(--space-6);
}

.cat-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--clr-blue);
  font-weight: var(--weight-medium);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.cat-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--clr-text);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.cat-card__desc {
  font-size: var(--text-sm);
  color: var(--clr-text-mid);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.cat-card__cta {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-blue);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition:
    gap var(--dur-normal) var(--ease-out),
    color var(--dur-fast);
}

.cat-card:hover .cat-card__cta {
  gap: var(--space-4);
  color: var(--clr-navy);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .categories__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .categories__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FEATURE SECTION — editorial split layout
============================================================ */
.feature-section {
  background: var(--clr-surface-2);
}

.feature__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature__visual {
  position: relative;
}

.feature__img-wrap {
  background: var(--clr-surface-3);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
}

.feature__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
  transition: transform var(--dur-slow) var(--ease-out);
}

.feature__img-wrap:hover img {
  transform: scale(1.04);
}

.feature__spec-card {
  position: absolute;
  bottom: -var(--space-6);
  right: 0;
  background: white;
  border: 1px solid var(--clr-surface-3);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-md);
  min-width: 200px;
}

.feature__spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--clr-surface-3);
  font-size: var(--text-xs);
}

.feature__spec-row:last-child {
  border-bottom: none;
}

.feature__spec-label {
  color: var(--clr-text-dim);
  font-weight: var(--weight-medium);
}

.feature__spec-val {
  font-family: var(--font-mono);
  color: var(--clr-navy);
  font-weight: var(--weight-semibold);
  text-align: right;
}

.feature__checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block: var(--space-6);
}

.feature__checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--clr-text-mid);
  line-height: var(--leading-snug);
}

.feature__checklist li svg {
  flex-shrink: 0;
  color: var(--clr-success);
  margin-top: 3px;
}

.feature__price-row {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--clr-surface-3);
}

.feature__price {
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--clr-navy);
  line-height: 1;
}

.feature__price-from {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-normal);
  color: var(--clr-text-dim);
  margin-bottom: var(--space-1);
}

.feature__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .feature__layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .feature__spec-card {
    position: static;
    margin-top: var(--space-4);
  }
}

/* ============================================================
   WHY SECTION
============================================================ */
.why-section {
  background: var(--clr-navy);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.why-card {
  padding: var(--space-8);
  background: oklch(100% 0 0 / 0.05);
  border: 1px solid oklch(100% 0 0 / 0.08);
  border-radius: var(--radius-xl);
  position: relative;
  transition:
    background var(--dur-normal) var(--ease-out),
    border-color var(--dur-normal) var(--ease-out),
    transform var(--dur-normal) var(--ease-out);
}

.why-card:hover {
  background: oklch(100% 0 0 / 0.09);
  border-color: oklch(57% 0.20 220 / 0.30);
  transform: translateY(-3px);
}

.why-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--clr-orange);
  letter-spacing: 0.10em;
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-5);
}

.why-card__icon {
  width: 40px;
  height: 40px;
  background: oklch(57% 0.20 220 / 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-blue);
  margin-bottom: var(--space-4);
  transition: background var(--dur-normal);
}

.why-card__icon svg {
  width: 24px;
  height: 24px;
}

.why-card:hover .why-card__icon {
  background: oklch(57% 0.20 220 / 0.20);
}

.why-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--clr-text-invert);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.why-card__desc {
  font-size: var(--text-xs);
  color: var(--clr-text-invert-dim);
  line-height: var(--leading-relaxed);
}

@media (max-width: 900px) {
  .why__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .why__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PRODUCTS SECTION
============================================================ */
.products-section {
  background: var(--clr-surface-2);
}

.products__filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  border: 1.5px solid var(--clr-surface-3);
  background: white;
  color: var(--clr-text-mid);
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  min-height: 44px; /* UI/UX: touch target minimum */
  min-width: 44px;
}

.filter-btn:hover {
  border-color: var(--clr-blue);
  color: var(--clr-navy);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--clr-navy);
  border-color: var(--clr-navy);
  color: white;
}

.filter-btn:focus-visible {
  outline: 2px solid var(--clr-orange);
  outline-offset: 3px;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.products__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--clr-surface-3);
}

.products__footer-text {
  font-size: var(--text-base);
  color: var(--clr-text-mid);
}

.products__footer-text strong {
  color: var(--clr-text);
}

@media (max-width: 900px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .products__grid { grid-template-columns: 1fr; }
  .products__footer { flex-direction: column; align-items: flex-start; }
  .products__footer .btn { width: 100%; justify-content: center; }
}

/* ============================================================
   FAQ — <details> / <summary> micro-interactions
============================================================ */
.faq-section {
  background-color: var(--clr-navy-mid);
  background-image: 
    linear-gradient(to right, oklch(100% 0 0 / 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(100% 0 0 / 0.02) 1px, transparent 1px);
  background-size: 24px 24px;
}

.faq-section .section-title {
  color: var(--clr-text-invert);
}

.faq-section .eyebrow {
  color: var(--clr-blue-light);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: white;
  border: 1px solid var(--clr-surface-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.faq-item[open] {
  border-color: oklch(57% 0.20 220 / 0.30);
}

.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-text);
  cursor: pointer;
  list-style: none;
  min-height: 56px;
  transition: color var(--dur-fast);
}

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

.faq-item__q:hover {
  color: var(--clr-navy);
}

.faq-item__chevron {
  flex-shrink: 0;
  color: var(--clr-text-dim);
  transition: transform var(--dur-normal) var(--ease-out), color var(--dur-fast);
}

.faq-item[open] .faq-item__chevron {
  transform: rotate(180deg);
  color: var(--clr-blue);
}

.faq-item__a {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--clr-text-mid);
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
  border-top: 1px solid var(--clr-surface-3);
  padding-top: var(--space-4);
}

/* ============================================================
   BLOG SECTION
============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.blog-card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--clr-surface-3);
  overflow: hidden;
  transition:
    transform var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card__img-link {
  display: block;
}

.blog-card__img-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--clr-surface-2);
}

.blog-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.blog-card:hover .blog-card__img-wrap img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  color: var(--clr-text-dim);
}

.blog-card__cat {
  background: var(--clr-blue-dim);
  color: var(--clr-blue);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-semibold);
  font-size: var(--text-xs);
}

.blog-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

.blog-card__title a {
  color: var(--clr-text);
  transition: color var(--dur-fast);
}

.blog-card__title a:hover {
  color: var(--clr-blue);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--clr-text-mid);
  line-height: var(--leading-relaxed);
  flex-grow: 1;
}

.blog-card__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: 8px 16px;
  color: var(--clr-orange);
  background: rgba(255, 102, 0, 0.08);
  border: 1px solid rgba(255, 102, 0, 0.25);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
  width: fit-content;
}

.blog-card__btn:hover {
  background: var(--clr-orange);
  color: white;
  border-color: var(--clr-orange);
}

.blog-card__btn svg {
  transition: transform var(--dur-fast) var(--ease-out);
}

.blog-card__btn:hover svg {
  transform: translateX(3px);
}

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FINAL CTA SECTION
============================================================ */
.cta-final {
  background: var(--clr-navy);
  padding-block: var(--space-24);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, oklch(57% 0.20 220 / 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, oklch(62% 0.22 35 / 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  flex-wrap: wrap;
  position: relative;
}

.cta-final__title {
  font-family: var(--font-display);
  font-weight: var(--weight-black);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  color: var(--clr-text-invert);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.92;
  margin-top: var(--space-3);
}

.cta-final__desc {
  color: var(--clr-text-invert-dim);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  max-width: 50ch;
  margin-top: var(--space-4);
}

.cta-final__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .cta-final__inner { flex-direction: column; align-items: flex-start; }
  .cta-final__actions { flex-direction: row; flex-wrap: wrap; }
  .cta-final__actions .btn { flex: 1; justify-content: center; min-width: 200px; }
}

/* ============================================================
   MOBILE MENU LINK SPECIAL
============================================================ */
.mobile-ml-link {
  color: var(--clr-orange) !important;
  font-weight: var(--weight-semibold) !important;
}

/* ============================================================
   BREADCRUMB (pages)
============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--clr-text-invert-dim);
}

.breadcrumb a {
  color: var(--clr-text-invert-dim);
  transition: color var(--dur-fast);
}

.breadcrumb a:hover {
  color: var(--clr-text-invert);
}

/* ============================================================
   PREFERS-REDUCED-MOTION — Accessibility & Performance
   Disables all animations for users who prefer reduced motion
============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal--left,
  .reveal--right {
    opacity: 1;
    transform: none;
    contain: none;
    will-change: auto;
  }

  .hero__eyebrow,
  .hero__line--1,
  .hero__line--2,
  .hero__line--accent,
  .hero__line--orange,
  .hero__desc,
  .hero__actions,
  .hero__stats,
  .hero__visual,
  .hero-animated__word,
  .hero-animated__title {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============================================================
   FOOTER SCROLL REVEAL (Motiom React effect in vanilla)
============================================================ */
.footer__grid > div {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(-8px);
  transition: opacity 0.8s var(--ease-out), filter 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.footer__grid > div.in-view {
  opacity: 1;
  filter: blur(0px);
  transform: translateY(0);
}

.footer__grid > div:nth-child(1) { transition-delay: 0.1s; }
.footer__grid > div:nth-child(2) { transition-delay: 0.2s; }
.footer__grid > div:nth-child(3) { transition-delay: 0.3s; }
.footer__grid > div:nth-child(4) { transition-delay: 0.4s; }
.footer__grid > div:nth-child(5) { transition-delay: 0.5s; }

/* Apply to mobile media queries to reduce delay if wanted, but fine as is */
@media (prefers-reduced-motion: reduce) {
  .footer__grid > div {
    transition: none !important;
    opacity: 1 !important;
    filter: blur(0px) !important;
    transform: translateY(0) !important;
  }
}