/* YTA Instagram — Luminous Portal coverflow */

.yta-insta-feed {
  width: 100%;
  display: flex;
  justify-content: center;
  background: transparent;
  --yta-sky: #d2edf9;
  --yta-green: #16a34a;
  --yta-gold: #ffb41d;
  --yta-gold-light: #ffd54f;
  --yta-gold-dark: #e6a017;
  --yta-dark: #0f172a;
  --yta-insta-visible: 3;
  --yta-insta-gap: 20px;
  --yta-insta-item-w: 240px;
  --yta-insta-height: 300px;
  --yta-insta-carousel-w: 100%;
  --yta-insta-scale: 0.65;
}

.yta-insta-feed__shell {
  position: relative;
  width: min(var(--yta-insta-carousel-w), 100%);
  max-width: 100%;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* Ambient mesh behind carousel */
.yta-insta-feed__shell::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 42%;
  width: min(85%, 720px);
  height: 70%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(ellipse at 30% 40%, rgba(210, 237, 249, 0.55) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 60%, rgba(255, 180, 29, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(22, 163, 74, 0.08) 0%, transparent 60%);
  filter: blur(2px);
  pointer-events: none;
  z-index: 0;
}

.yta-insta-feed__carousel {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

.yta-insta-feed__track {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  height: calc(var(--yta-insta-height) + 16px);
  display: flex;
  align-items: center;
  gap: var(--yta-insta-gap);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  padding: 8px 0;
  perspective: 1400px;
  perspective-origin: 50% 50%;
  scrollbar-width: none;
  -ms-overflow-style: none;
  background: transparent;
}

.yta-insta-feed__track.is-single {
  padding-inline: calc(50% - var(--yta-insta-item-w) / 2);
}

.yta-insta-feed__track::-webkit-scrollbar {
  display: none;
}

.yta-insta-feed__track:focus-visible {
  outline: 2px solid var(--yta-green);
  outline-offset: 4px;
  border-radius: 20px;
}

/* ── Portal card ── */
.yta-insta-feed__item {
  position: relative;
  flex: 0 0 var(--yta-insta-item-w);
  width: var(--yta-insta-item-w);
  min-width: var(--yta-insta-item-w);
  height: var(--yta-insta-height);
  scroll-snap-align: center;
  scroll-snap-stop: always;
  text-decoration: none;
  transform-style: preserve-3d;
  transform: scale(0.86) rotateY(12deg) translateZ(-40px);
  opacity: 0.55;
  filter: saturate(0.75) brightness(0.92);
  transition:
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.55s ease,
    filter 0.55s ease;
}

.yta-insta-feed__item.is-left {
  transform: scale(0.88) rotateY(14deg) translateZ(-30px);
}

.yta-insta-feed__item.is-right {
  transform: scale(0.88) rotateY(-14deg) translateZ(-30px);
}

.yta-insta-feed__item.is-focus {
  transform: scale(1) rotateY(0deg) translateZ(0);
  opacity: 1;
  filter: saturate(1) brightness(1);
  z-index: 3;
}

.yta-portal {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  transform-style: preserve-3d;
}

.yta-portal__aura {
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.22) 0%, transparent 68%);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.yta-insta-feed__item.is-focus .yta-portal__aura {
  opacity: 1;
  transform: scale(1);
}

.yta-portal__ring {
  position: absolute;
  inset: 0;
  z-index: 5;
  border-radius: 22px;
  padding: 2px;
  background: linear-gradient(135deg, var(--yta-gold), var(--yta-gold-light), var(--yta-gold-dark), var(--yta-gold-light), var(--yta-gold));
  background-size: 300% 300%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.35;
  animation: yta-portal-shift 6s ease infinite;
  pointer-events: none;
}

.yta-insta-feed__item.is-focus .yta-portal__ring {
  opacity: 1;
  animation-duration: 3s;
}

@keyframes yta-portal-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.yta-portal__glass {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  overflow: hidden;
  isolation: isolate;
  background: #0f172a;
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.yta-insta-feed__item.is-focus .yta-portal__glass {
  box-shadow:
    0 28px 56px rgba(22, 163, 74, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.25) inset,
    0 0 48px rgba(210, 237, 249, 0.35);
}

.yta-portal__idx {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  font-family: "Fraunces", Georgia, serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: rgba(15, 23, 42, 0.35);
  opacity: 0;
  transition: opacity 0.4s ease, color 0.4s ease;
}

.yta-insta-feed__item.is-focus .yta-portal__idx {
  opacity: 1;
  color: var(--yta-green);
}

.yta-insta-feed__frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 22px;
  pointer-events: none;
}

.yta-insta-feed__frame iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 326px;
  height: 480px;
  margin: 0;
  border: 0;
  overflow: hidden;
  transform: translate(-50%, calc(-50% - 20px)) scale(var(--yta-insta-scale));
  transform-origin: center center;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.yta-insta-feed__frame.is-loaded iframe {
  opacity: 1;
}

.yta-insta-feed__item--reel .yta-portal__glass::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.35) 100%);
  pointer-events: none;
  z-index: 2;
}

.yta-insta-feed__item--reel .yta-portal__play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.yta-insta-feed__item--reel .yta-portal__play::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  border-left: 12px solid #fff;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
}

.yta-insta-feed__frame:not(.is-loaded)::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, #0f172a 0%, #1e293b 40%, #0f172a 80%);
  background-size: 200% 100%;
  animation: yta-portal-shimmer 1.6s ease infinite;
}

@keyframes yta-portal-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Follow — editorial link */
.yta-insta-feed__follow {
  position: relative;
  z-index: 1;
  display: inline-grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  margin-top: 6px;
  padding: 6px 4px 10px;
  text-decoration: none;
  color: var(--yta-dark);
  border-bottom: 1px solid rgba(255, 180, 29, 0.45);
  transition: border-color 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.yta-insta-feed__follow::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--yta-gold), var(--yta-green), var(--yta-gold-light));
  background-size: 200% 100%;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.yta-insta-feed__follow:hover::after {
  transform: scaleX(1);
  animation: yta-follow-shimmer 2.4s ease infinite;
}

@keyframes yta-follow-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.yta-insta-feed__follow-glow {
  position: absolute;
  left: -8%;
  top: 50%;
  width: 55%;
  height: 140%;
  transform: translateY(-50%);
  background: radial-gradient(ellipse at 30% 50%, rgba(210, 237, 249, 0.55) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-glow {
  opacity: 1;
}

.yta-insta-feed__follow-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.yta-insta-feed__follow-kicker {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--yta-green);
  transition: letter-spacing 0.4s ease, color 0.4s ease;
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-kicker {
  letter-spacing: 0.34em;
  color: var(--yta-gold-dark);
}

.yta-insta-feed__follow-main {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 500;
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--yta-dark);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), color 0.4s ease;
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-main {
  transform: translateX(6px);
  color: var(--yta-green);
}

.yta-insta-feed__follow-at {
  font-style: normal;
  font-weight: 600;
  color: var(--yta-gold);
}

.yta-insta-feed__follow-mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--yta-gold-dark);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), color 0.4s ease;
}

.yta-insta-feed__follow-mark svg {
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s ease;
}

.yta-insta-feed__follow-mark-arrow {
  position: absolute;
  right: -2px;
  bottom: -2px;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--yta-green);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.35s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.yta-insta-feed__follow:hover {
  border-color: transparent;
  transform: translateY(-2px);
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-mark {
  color: var(--yta-green);
  transform: rotate(-12deg) scale(1.08);
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-mark svg {
  opacity: 0.15;
  transform: scale(0.7);
}

.yta-insta-feed__follow:hover .yta-insta-feed__follow-mark-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* Nav */
.yta-insta-feed__nav {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  color: var(--yta-green);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

.yta-insta-feed__nav:hover:not(:disabled) {
  background: var(--yta-dark);
  color: #fff;
  transform: scale(1.06);
}

.yta-insta-feed__nav:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

@media (max-width: 800px) {
  .yta-insta-feed {
    min-height: 0;
    max-height: 100%;
    height: auto;
    justify-content: center;
    align-items: center;
    margin-inline: auto;
    overflow: hidden;
  }

  .yta-insta-feed__shell {
    position: relative;
    width: 100%;
    min-height: 0;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-inline: auto;
  }

  .yta-insta-feed__shell::before {
    top: 50%;
  }

  .yta-insta-feed__carousel {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    max-height: 100%;
    margin-inline: auto;
  }

  .yta-insta-feed__track {
    width: calc(100% - 72px);
    max-width: calc(100% - 72px);
    margin-inline: auto;
    min-height: 0;
    max-height: calc(var(--yta-insta-height, 280px) + 12px);
    height: calc(var(--yta-insta-height, 280px) + 12px);
  }

  .yta-insta-feed__item {
    min-height: 0;
    max-height: var(--yta-insta-height, 280px);
    height: var(--yta-insta-height, 280px);
  }

  .yta-insta-feed__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 12;
  }

  .yta-insta-feed__nav--prev {
    left: clamp(2px, 1.5vw, 8px);
  }

  .yta-insta-feed__nav--next {
    right: clamp(2px, 1.5vw, 8px);
  }

  .yta-insta-feed__nav:hover:not(:disabled) {
    transform: translateY(-50%) scale(1.06);
  }

  .yta-insta-feed__frame iframe {
    transform: translate(-50%, calc(-50% - 12px)) scale(var(--yta-insta-scale));
  }
}

@media (max-width: 560px) {
  .yta-insta-feed__track.is-single {
    padding-inline: calc(50% - var(--yta-insta-item-w) / 2);
  }

  .yta-insta-feed__item.is-left,
  .yta-insta-feed__item.is-right {
    transform: scale(0.9) rotateY(0) translateZ(-20px);
  }

  .yta-insta-feed__nav {
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
  }

  .yta-insta-feed__follow {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 12px;
    width: 100%;
    max-width: 100%;
  }

  .yta-insta-feed__follow-body {
    align-items: center;
    text-align: center;
  }

  .yta-insta-feed__follow-kicker {
    font-size: 0.58rem;
    letter-spacing: 0.2em;
  }

  .yta-insta-feed__follow-main {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .yta-insta-feed__item,
  .yta-portal__aura,
  .yta-portal__ring,
  .yta-portal__idx {
    transition: none;
    animation: none;
  }

  .yta-insta-feed__frame:not(.is-loaded)::before {
    animation: none;
  }

  .yta-insta-feed__follow::after,
  .yta-insta-feed__follow-main,
  .yta-insta-feed__follow-mark,
  .yta-insta-feed__follow-mark-arrow {
    transition: none;
    animation: none;
  }
}