:root {
  --ink: #000000;
  --ink-soft: #3d3d3d;
  --paper: #f4f4f4;
  --paper-2: #e8e8e8;
  --line: rgba(0, 0, 0, 0.1);
  --line-strong: rgba(0, 0, 0, 0.28);
  --accent: #0057b8;
  --accent-soft: #2f7fd1;
  --signal: #000000;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  --radius: 0;
  --font-display: "Syne", sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --topbar-h: 3.5rem;
  --controls-offset: 0px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 100% -10%, rgba(0, 87, 184, 0.1), transparent 52%),
    radial-gradient(90% 60% at -10% 30%, rgba(0, 0, 0, 0.04), transparent 48%),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 45%, #ececec 100%);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: 2px;
  background: transparent;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--ink) 0%, var(--accent) 100%);
  transition: width 80ms linear;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  gap: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}

.topbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding: 0.55rem 1.1rem;
}

.topbar__brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.topbar__count {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  opacity: 0.65;
  white-space: nowrap;
}

.filters-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.filters-toggle:hover,
.filters-toggle:focus-visible,
.filters-toggle[aria-expanded="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.filters-toggle[aria-expanded="true"] .filters-toggle__badge {
  background: var(--white);
  color: var(--ink);
}

.filters-toggle__badge {
  display: inline-grid;
  place-items: center;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.28rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--white);
  font-size: 0.65rem;
  letter-spacing: 0;
}

.filters-toggle__badge[hidden] {
  display: none !important;
}

.topbar__filters {
  display: grid;
  grid-template-rows: 0fr;
  transition:
    grid-template-rows 0.4s var(--ease),
    border-color 0.3s var(--ease);
  border-top: 1px solid transparent;
}

.topbar__filters.is-open {
  grid-template-rows: 1fr;
  border-top-color: var(--line);
}

.topbar__filters-inner {
  overflow: hidden;
  min-height: 0;
  min-width: 0;
  opacity: 0;
  padding: 0 1.1rem;
  transition:
    opacity 0.28s var(--ease),
    padding 0.4s var(--ease);
  pointer-events: none;
}

.topbar__filters.is-open .topbar__filters-inner {
  opacity: 1;
  padding-top: 0.85rem;
  padding-bottom: 0.95rem;
  pointer-events: auto;
}

.filters {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

@media (prefers-reduced-motion: reduce) {
  .topbar__filters,
  .topbar__filters-inner {
    transition: none;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--topbar-h));
  display: grid;
  align-items: end;
  padding: 1.5rem 0 0;
  overflow: hidden;
}

.hero__atmosphere {
  position: absolute;
  inset: 8% -20% auto auto;
  width: min(70vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 40%, rgba(0, 87, 184, 0.2), transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(0, 0, 0, 0.08), transparent 55%);
  filter: blur(8px);
  animation: drift 14s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-8%, 10%, 0) scale(1.08); }
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.25rem;
  width: 100%;
  margin: 0;
  align-items: end;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 40rem;
  padding: 1.5rem 1.1rem 0.5rem;
}

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 12vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(1.1rem);
  animation: rise 0.9s var(--ease) forwards;
}

.hero__title-line:nth-child(1) { animation-delay: 0.05s; }
.hero__title-line:nth-child(2) { animation-delay: 0.16s; }
.hero__title-line:nth-child(3) { animation-delay: 0.28s; }

.hero__title-line--accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.03em;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__lead {
  margin: 1.4rem 0 0;
  max-width: 28rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.4s forwards;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
  opacity: 0;
  animation: rise 0.8s var(--ease) 0.52s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
  background: var(--ink);
  color: var(--white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-1px);
  background: var(--accent);
}

.hero__visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: end center;
  min-height: min(58svh, 34rem);
  margin-top: -0.25rem;
  overflow: hidden;
  background: transparent;
}

.hero__stage {
  position: absolute;
  inset: 8% 6% 0;
  pointer-events: none;
}

.hero__stage-glow {
  position: absolute;
  left: 50%;
  bottom: 12%;
  width: min(88%, 26rem);
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(0, 87, 184, 0.3) 0%, rgba(0, 87, 184, 0.1) 38%, transparent 68%),
    radial-gradient(circle at 55% 60%, rgba(0, 0, 0, 0.08) 0%, transparent 55%);
  filter: blur(2px);
  animation: stage-pulse 6s var(--ease) infinite alternate;
}

.hero__stage-ring {
  position: absolute;
  left: 50%;
  bottom: 18%;
  width: min(78%, 22rem);
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 1px solid rgba(0, 87, 184, 0.28);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.45),
    0 0 0 12px rgba(0, 87, 184, 0.05);
}

.hero__stage-floor {
  position: absolute;
  left: 50%;
  bottom: 4%;
  width: min(92%, 28rem);
  height: 18%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.16) 0%, rgba(0, 0, 0, 0.05) 45%, transparent 72%);
}

@keyframes stage-pulse {
  from { opacity: 0.75; transform: translateX(-50%) scale(0.98); }
  to { opacity: 1; transform: translateX(-50%) scale(1.04); }
}

.hero__visual img {
  position: relative;
  z-index: 1;
  width: min(100%, 28rem);
  height: auto;
  max-height: min(62svh, 38rem);
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  transform: translateY(1.5rem);
  animation: rise 1s var(--ease) 0.2s forwards;
}

/* Filters panel content */
.filter-group {
  min-width: 0;
  max-width: 100%;
}

.filter-group__label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.5;
}

.chips {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  touch-action: pan-x;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.chip {
  flex: 0 0 auto;
  touch-action: manipulation;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.chip:hover,
.chip:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

.chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

/* Archive layout */
.archive {
  position: relative;
  display: grid;
  gap: 0;
  max-width: 78rem;
  margin: 0 auto;
  padding: 1.5rem 1.1rem 4rem;
}

.year-mobile {
  position: sticky;
  top: calc(var(--topbar-h) + 0.35rem);
  z-index: 30;
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.45rem 0.7rem;
  width: fit-content;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.year-mobile__label {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.45;
}

.year-mobile__value {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--accent);
}

.year-rail {
  position: sticky;
  top: calc(var(--topbar-h) + 0.75rem);
  z-index: 35;
  display: none;
  align-self: start;
  width: 5.5rem;
  max-height: calc(100svh - var(--topbar-h) - 1.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.6rem 0.35rem 0.6rem 0;
  margin: 0;
  background: transparent;
  border: 0;
  scrollbar-width: thin;
}

.year-rail__caption {
  margin: 0 0 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.45;
}

.year-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
  border-left: 1px solid var(--line);
}

.year-rail__list a {
  position: relative;
  display: block;
  padding: 0.35rem 0 0.35rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  opacity: 0.35;
  transition: opacity 0.25s var(--ease), color 0.25s var(--ease);
}

.year-rail__list a::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0.55rem;
  width: 2px;
  height: 0.85rem;
  background: transparent;
  transition: background 0.25s var(--ease), height 0.25s var(--ease);
}

.year-rail__list a.is-active,
.year-rail__list a:hover,
.year-rail__list a:focus-visible {
  opacity: 1;
  color: var(--accent);
}

.year-rail__list a.is-active::before {
  background: var(--accent);
  height: 1.1rem;
}

.year-section {
  scroll-margin-top: calc(var(--topbar-h) + 1rem);
  margin-bottom: 2.5rem;
}

.year-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
}

.year-section__title {
  margin: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 8vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.year-section__count {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.45;
}

.sneaker-list {
  display: grid;
  gap: 1.1rem;
}

.sneaker {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.95rem;
  padding: 0.85rem 0 1.25rem;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.sneaker__media {
  position: relative;
  z-index: 1;
  isolation: isolate;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: zoom-in;
  border-radius: var(--radius);
}

.sneaker__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4% 6%;
  transition: transform 0.7s var(--ease), filter 0.4s var(--ease);
  filter: saturate(0.92) contrast(1.02);
}

.sneaker__media:hover img,
.sneaker__media:focus-visible img {
  transform: scale(1.04);
  filter: saturate(1) contrast(1.05);
}

.sneaker__media-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  opacity: 0.4;
}

.sneaker__index {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.45;
  background: rgba(255, 255, 255, 0.82);
  padding: 0.2rem 0.4rem;
}

.sneaker__body {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.sneaker__brand {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  font-weight: 600;
}

.sneaker__model {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

.sneaker__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.sneaker__meta li span {
  opacity: 0.5;
  margin-right: 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sneaker__retailer {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.empty {
  max-width: 28rem;
  margin: 0 auto 4rem;
  padding: 0 1.1rem;
  text-align: center;
  color: var(--ink-soft);
}

.footer {
  padding: 2.5rem 1.1rem 3rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer__brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer__note {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  opacity: 0.5;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px) saturate(1.1);
}

.lightbox[hidden] {
  display: none !important;
}

.lightbox__figure {
  margin: 0;
  width: min(100%, 56rem);
  display: grid;
  gap: 0.85rem;
}

.lightbox__figure img {
  width: 100%;
  max-height: min(72vh, 720px);
  object-fit: contain;
  background: transparent;
  border-radius: var(--radius);
}

.lightbox__figure figcaption {
  color: var(--ink);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius);
}

.lightbox__close {
  top: 0.9rem;
  right: 0.9rem;
  width: 2.6rem;
  height: 2.6rem;
  font-size: 1.5rem;
  line-height: 1;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 2.6rem;
  height: 2.6rem;
  font-size: 1.5rem;
}

.lightbox__nav--prev { left: 0.6rem; }
.lightbox__nav--next { right: 0.6rem; }

.lightbox__close:hover,
.lightbox__nav:hover,
.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

body.is-lightbox-open {
  overflow: hidden;
}

/* Desktop */
@media (min-width: 768px) {
  body {
    font-size: 16px;
  }

  .topbar__row,
  .topbar__filters-inner,
  .archive,
  .footer {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .hero {
    padding: 0;
    align-items: stretch;
  }

  .hero__layout {
    grid-template-columns: minmax(18rem, 0.95fr) minmax(0, 1.05fr);
    min-height: calc(100svh - var(--topbar-h));
    align-items: stretch;
  }

  .hero__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 1.5rem 3rem 2rem;
    max-width: 36rem;
    justify-self: end;
    width: 100%;
  }

  .hero__visual {
    min-height: 100%;
    margin-top: 0;
    place-items: end center;
    width: 100%;
  }

  .hero__stage {
    inset: 6% 0 0;
  }

  .hero__visual img {
    width: auto;
    height: 100%;
    max-height: calc(100svh - var(--topbar-h));
    max-width: min(100%, 36rem);
  }

  .chips {
    flex-wrap: wrap;
    overflow: visible;
    touch-action: auto;
  }

  .archive {
    grid-template-columns: 5.75rem minmax(0, 1fr);
    gap: 1.5rem;
    padding-top: 2.5rem;
    align-items: start;
  }

  .year-mobile {
    display: none;
  }

  .year-rail {
    display: block;
    position: sticky;
    top: calc(var(--topbar-h) + 0.75rem);
  }

  .sneaker {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 1.75rem;
    align-items: center;
    padding: 1.35rem 0 1.75rem;
  }

  .sneaker:nth-child(even) .sneaker__media {
    order: 2;
  }

  .sneaker:nth-child(even) .sneaker__body {
    order: 1;
    text-align: right;
  }

  .sneaker:nth-child(even) .sneaker__meta {
    justify-content: flex-end;
  }

  .sneaker__media {
    aspect-ratio: 5 / 4;
  }

  .year-section {
    scroll-margin-top: calc(var(--topbar-h) + 1rem);
  }
}

@media (min-width: 1100px) {
  .archive {
    grid-template-columns: 6.75rem minmax(0, 1fr);
    gap: 3rem;
  }

  .year-rail {
    width: 6.5rem;
  }

  .sneaker {
    gap: 2.5rem;
  }

  .sneaker__model {
    font-size: 2.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__title-line,
  .hero__lead,
  .hero__cta,
  .hero__visual img,
  .hero__stage-glow,
  .sneaker,
  .hero__atmosphere {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero__stage-glow {
    transform: translateX(-50%) !important;
  }
}