/* =========================================================
   OneByZero – Wedding page
   Builds on css/main.css (tokens, nav, buttons, symbols, eyebrow).
   Sections: hero · section heads · invites · stationery · websites · footer
   Everything here is prefixed wd- so it can't clash with main.css.
   ========================================================= */

/* ---------- Scroll reveal (only active when JS is running) ---------- */
.wd-reveal {
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}
.wd-js .wd-reveal:not(.wd-in) {
  opacity: 0;
  transform: translateY(26px);
}

/* ---------- Hero ---------- */
.wd-hero {
  padding: calc(var(--nav-h) + clamp(3rem, 7vw, 5.5rem)) 0
    clamp(2.5rem, 5vw, 4rem);
}
.wd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 2.5rem clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.wd-hero__title {
  margin: 1rem 0 1.25rem;
  font-family: var(--display);
  font-size: clamp(2rem, 5.4vw, 4rem);
  font-weight: 800;
  font-stretch: 125%;
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.wd-hero__title .line {
  display: block;
}

/* On-page index: hairline rows, sparkle turns on hover */
.wd-index {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line);
}
.wd-index a {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    color 0.3s,
    padding 0.5s var(--ease);
}
.wd-index a .sym {
  margin-left: auto;
  width: 0.95rem;
  height: 0.95rem;
  background: var(--chrome);
  transition: transform 0.6s var(--ease);
}
.wd-index a:hover,
.wd-index a:focus-visible {
  color: #fff;
  padding-left: 0.5rem;
}
.wd-index a:hover .sym,
.wd-index a:focus-visible .sym {
  transform: rotate(180deg) scale(1.2);
}
.wd-index__no {
  min-width: 1.6rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
}

/* ---------- Sections ---------- */
.wd-section {
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
  scroll-margin-top: calc(var(--nav-h) - 1rem);
  border-top: 1px solid var(--line);
}
.wd-section--last {
  padding-bottom: clamp(4rem, 9vw, 7rem);
}

.wd-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem 2.5rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}
.wd-head h2 {
  margin: 0;
}
.wd-head p {
  max-width: 24rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.7;
}
.wd-head__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
}
.wd-num {
  display: block;
  margin-bottom: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
}

/* =========================================================
   01 · INVITES – swipeable video carousel
   Native scroll-snap = swipe on touch, trackpad and arrows;
   weddings.js adds buttons, dots, mouse-drag and auto-pause.
   ========================================================= */
.wd-invites {
  container-type: inline-size; /* lets the rail size slides from its own width */
}
.wd-rail {
  --ratio-w: 9; /* change these two together: 4 / 5 portrait, 9 / 16 tall, 16 / 9 landscape */
  --ratio-h: 16;
  --ratio: var(--ratio-w) / var(--ratio-h);

  --max-h: calc(100svh - var(--nav-h) - 5rem);

  --slide-w: min(
    78vw,
    60rem,
    calc(var(--max-h) * var(--ratio-w) / var(--ratio-h))
  );
  --slide-w: min(
    78cqw,
    60rem,
    calc(var(--max-h) * var(--ratio-w) / var(--ratio-h))
  );

  --edge: calc((100cqw - var(--slide-w)) / 2);
  --edge: calc((100cqw - var(--slide-w)) / 2);
  position: relative;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: 0.5rem var(--edge) 0.5rem;
  scroll-padding-inline: var(--edge);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  outline: none;
  -webkit-user-select: none;
  user-select: none;
}
.wd-rail::-webkit-scrollbar {
  display: none;
}
.wd-rail.is-dragging {
  cursor: grabbing;
}
.wd-rail:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -2px;
}

.wd-slide {
  flex: none;
  width: var(--slide-w);
  scroll-snap-align: center;
  opacity: 0.35;
  transform: scale(0.94);
  transition:
    opacity 0.5s var(--ease),
    transform 0.7s var(--ease);
}
.wd-slide.is-active {
  opacity: 1;
  transform: none;
}

.wd-video {
  position: relative;
  aspect-ratio: var(--ratio);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.wd-video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
.wd-slide.is-active .wd-video {
  border-color: var(--line-strong);
}

/* Round play button: outline at rest, chrome fill + sheen on hover (like .btn-obz) */
.wd-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  width: clamp(56px, 8vw, 84px);
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.45);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition:
    transform 0.5s var(--ease),
    opacity 0.4s,
    color 0.3s,
    border-color 0.3s,
    box-shadow 0.4s var(--ease);
}
.wd-play svg {
  width: 34%;
  height: 34%;
  margin-left: 6%; /* optical centring of the triangle */
  fill: currentColor;
}
.wd-play::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--chrome);
  background-size: 220% 220%;
  opacity: 0;
  transition: opacity 0.35s;
}
.wd-play:hover,
.wd-play:focus-visible {
  color: #050505;
  border-color: #fff;
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 10px 40px -12px rgba(255, 255, 255, 0.6);
}
.wd-play:hover::before,
.wd-play:focus-visible::before {
  opacity: 1;
  animation: chrome-shift 2.6s ease-in-out infinite alternate;
}
.wd-slide.is-playing .wd-play {
  opacity: 0;
  pointer-events: none;
}

.wd-cap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  font-family: var(--display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.wd-cap__no {
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.3em;
}

.wd-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* Progress dots – same idea as the album page */
.wd-dots {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.wd-dots button {
  position: relative;
  width: 32px;
  height: 16px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.wd-dots button::before,
.wd-dots button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 2px;
}
.wd-dots button::before {
  background: rgba(255, 255, 255, 0.16);
  transition: background 0.3s;
}
.wd-dots button::after {
  background: var(--chrome);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.wd-dots button:hover::before {
  background: rgba(255, 255, 255, 0.32);
}
.wd-dots button.is-active::after {
  transform: scaleX(1);
}
.wd-dots button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  border-radius: 4px;
}

.wd-arrows {
  display: flex;
  gap: 0.6rem;
}
.wd-arrow {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition:
    color 0.3s,
    border-color 0.3s,
    opacity 0.3s,
    transform 0.4s var(--ease);
}
.wd-arrow svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.wd-arrow::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--chrome);
  opacity: 0;
  transition: opacity 0.35s;
}
.wd-arrow:hover:not(:disabled),
.wd-arrow:focus-visible {
  color: #050505;
  border-color: transparent;
  transform: translateY(-2px);
}
.wd-arrow:hover:not(:disabled)::before,
.wd-arrow:focus-visible::before {
  opacity: 1;
}
.wd-arrow:disabled {
  opacity: 0.3;
  cursor: default;
}

/* =========================================================
   02 · STATIONERY – end-to-end randomised mosaic
   Every tile is the same 4:5 shape. A tile covers N×N grid cells and each
   cell is 4:5, so a 1×1, 2×2 or 3×3 tile keeps the same proportions and
   just scales. weddings.js chooses the sizes and positions.
   Without JS this falls back to an even 4-column grid.
   ========================================================= */
.wd-mosaic {
  container-type: inline-size;
  border-block: 1px solid var(--line);
}
.wd-mosaic__grid {
  --cols: 4;
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  grid-auto-rows: calc(100vw / var(--cols) * 1.25);
  grid-auto-rows: calc(100cqw / var(--cols) * 1.25);
}
.wd-tile {
  position: relative;
  margin: 0;
  padding: 3px;
}
.wd-tile[hidden] {
  display: none;
}
.wd-img {
  display: block;
  height: 100%;
  overflow: hidden;
  background: var(--bg-2);
}
.wd-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.9s var(--ease),
    filter 0.5s;
}
.wd-tile:hover .wd-img img {
  transform: scale(1.05);
}
/* Fades in each time the layout is (re)generated */
.wd-tile.wd-pop {
  animation: wd-pop 0.7s var(--ease) both;
  animation-delay: calc(var(--n, 0) * 45ms);
}
@keyframes wd-pop {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
}

/* =========================================================
   03 · WEBSITES – responsive grid of scrolling GIFs
   ========================================================= */
.wd-sites {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem) clamp(1.25rem, 2.5vw, 2rem);
}
.wd-site {
  display: block;
  color: inherit;
  text-decoration: none;
}
.wd-site__shot {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: border-color 0.4s;
}
.wd-site__shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: grayscale(1) contrast(1.05);
  transition:
    filter 0.6s var(--ease),
    transform 0.9s var(--ease);
}
/* soft vignette that appears with the black & white */
.wd-site__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 5, 5, 0.6), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.wd-site:hover .wd-site__shot,
.wd-site:focus-visible .wd-site__shot {
  border-color: var(--line-strong);
}
.wd-site:hover img,
.wd-site:focus-visible img {
  filter: none;
  transform: scale(1.03);
}
.wd-site:hover .wd-site__shot::after,
.wd-site:focus-visible .wd-site__shot::after {
  opacity: 1;
}
.wd-site:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 6px;
}

/* Silver arrow – same behaviour as the service cards on the home page */
.wd-site__go {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 1rem;
  transition:
    background 0.4s,
    color 0.4s,
    border-color 0.4s,
    transform 0.5s var(--ease);
}
.wd-site--link:hover .wd-site__go,
.wd-site--link:focus-visible .wd-site__go {
  background: var(--chrome);
  border-color: transparent;
  color: #050505;
  transform: rotate(-45deg);
}

.wd-site__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.95rem;
}
.wd-site__name {
  font-family: var(--display);
  font-size: 0.74rem;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.wd-site__tag {
  color: var(--muted);
  font-family: var(--display);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- Footer: copyright only, bottom-left ---------- */
.footer--slim {
  padding: 1.25rem 0;
}
.footer--slim .footer__bottom {
  margin: 0;
  padding: 0;
  border: 0;
  justify-content: flex-start;
}

/* ---------- Responsive ---------- */
@media (max-width: 899.98px) {
  .wd-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
  .wd-rail {
    --slide-w: min(
      88vw,
      60rem,
      calc(var(--max-h) * var(--ratio-w) / var(--ratio-h))
    );
    --slide-w: min(
      88cqw,
      60rem,
      calc(var(--max-h) * var(--ratio-w) / var(--ratio-h))
    );
  }
}
@media (max-width: 575.98px) {
  .wd-head {
    align-items: flex-start;
  }
  .wd-arrow {
    width: 42px;
    height: 42px;
  }
  .wd-site__go {
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wd-reveal,
  .wd-slide,
  .wd-tile.wd-pop {
    transition: none;
    animation: none;
  }
}

@media (hover: none) {
  .wd-site__shot img {
    filter: none;
  }
}