/* ============================================================
   LAYT — single-scroll homepage
   Landing (embedded at /landing.html) → Work (logo slider +
   work slider) → Projects → About → Contact.
   Same type system as the landing: Syne wordmarks, Helvetica
   body, mono labels. Self-contained; no dependency on global.css.
   ============================================================ */

:root {
  --c-bg: #000;
  --c-ink: #fff;
  --c-dim: rgba(255, 255, 255, 0.55);
  --c-faint: rgba(255, 255, 255, 0.30);
  --c-line: rgba(255, 255, 255, 0.14);

  --c-syne: "Syne", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --c-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --c-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --c-ease: cubic-bezier(.85, 0, .15, 1);
  --c-pad: clamp(1.25rem, 3.5vw, 2.5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  background: var(--c-bg);
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body.scroll {
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--c-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  overflow-x: hidden;
}

img, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ---------- 1. Hero (landing) ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 30rem;
  scroll-snap-align: start;
}
.hero__frame { width: 100%; height: 100%; border: 0; }

.hero__cue {
  position: absolute;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 1.2rem);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: .6rem .9rem;
  font-family: var(--c-mono);
  font-size: .62rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--c-faint);
  transition: color .2s ease;
}
.hero__cue:hover, .hero__cue:focus-visible { color: var(--c-ink); }
.hero__cue:focus-visible { outline: 1px solid var(--c-ink); outline-offset: 2px; }
.hero__cue i {
  width: 1px;
  height: 1.6rem;
  background: currentColor;
  transform-origin: top;
  animation: cue 2.2s var(--c-ease) infinite;
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* ---------- Sections ---------- */
.s { position: relative; border-top: 1px solid var(--c-line); scroll-snap-align: start; }
.s__inner {
  width: 100%;
  max-width: 84rem; /* one shared left edge for every section */
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 6rem) var(--c-pad);
  padding-left: max(var(--c-pad), env(safe-area-inset-left));
  padding-right: max(var(--c-pad), env(safe-area-inset-right));
}
.s--last .s__inner { padding-bottom: calc(clamp(3.5rem, 9vw, 6rem) + env(safe-area-inset-bottom)); }

.eyebrow {
  font-family: var(--c-mono);
  font-size: clamp(.62rem, .82vw, .72rem);
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--c-faint);
  margin-bottom: 1.4rem;
}
.eyebrow--tight { margin-bottom: 0; }

.title {
  font-family: var(--c-syne);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.6rem);
  line-height: .98;
  letter-spacing: .04em;
  transform: scaleX(.86);
  transform-origin: left center;
  margin-bottom: 1.6rem;
}

.body { max-width: 40ch; font-size: clamp(.92rem, 1.15vw, 1.02rem); line-height: 1.6; color: var(--c-dim); }
.body p + p { margin-top: 1rem; }
.lead { color: var(--c-ink); font-size: clamp(1.05rem, 1.8vw, 1.4rem); line-height: 1.35; margin-bottom: 1.3rem; max-width: 26ch; }
.dim { color: var(--c-faint); }
.note { margin-top: 1.8rem; font-family: var(--c-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--c-faint); }

.body a, .links a { border-bottom: 1px solid rgba(255,255,255,.22); padding-bottom: 1px; transition: border-color .18s ease, color .18s ease; }
.body a:hover, .body a:focus-visible, .links a:hover, .links a:focus-visible { border-color: rgba(255,255,255,.85); color: var(--c-ink); }

.email {
  font-family: var(--c-syne);
  font-weight: 800;
  transform: scaleX(.86);
  transform-origin: left center;
  display: inline-block;
  font-size: clamp(1.2rem, 3.4vw, 2rem);
  letter-spacing: .02em;
  border-bottom: 2px solid transparent !important;
}
.email:hover, .email:focus-visible { border-bottom-color: var(--c-ink) !important; }
.links { margin-top: 1.6rem; display: flex; flex-direction: column; gap: .7rem; }

.totop {
  display: inline-block;
  margin-top: 3rem;
  font-family: var(--c-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-faint);
  transition: color .2s ease;
}
.totop:hover, .totop:focus-visible { color: var(--c-ink); }

/* ---------- 2a. Logo slider (auto-scrolling marquee) ---------- */
.logos {
  margin: 1rem calc(var(--c-pad) * -1) 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.logos__track { display: flex; width: max-content; animation: logos 80s linear infinite; }
.logos:hover .logos__track { animation-play-state: paused; }
.logos__group {
  display: flex;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  padding-right: clamp(2.5rem, 5vw, 4.5rem);
}
.logos__item { flex: none; display: flex; align-items: center; }
.logos__item img {
  height: clamp(26px, 3.2vw, 38px);
  width: auto;
  max-width: 150px;
  object-fit: contain;
  /* the mono set is single-colour — force pure white so every mark matches */
  filter: brightness(0) invert(1);
  opacity: .5;
  transition: opacity .2s ease;
}
.logos__item img:hover { opacity: 1; }
@keyframes logos { to { transform: translateX(-50%); } }

/* ---------- 2b. Sliders (endless; work drifts right, projects drift left) ---------- */
.slider { --sh: clamp(180px, 20vw, 260px); margin-top: clamp(2.5rem, 6vw, 4rem); }
.slider__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.slider__head--end { justify-content: flex-end; }
.slider__btns { display: flex; gap: .5rem; flex: none; }
.slider__btn {
  width: 36px; height: 36px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  display: grid; place-items: center;
  font-family: var(--c-mono);
  font-size: .9rem;
  color: var(--c-dim);
  transition: border-color .2s ease, color .2s ease;
}
.slider__btn:hover, .slider__btn:focus-visible { border-color: rgba(255,255,255,.7); color: var(--c-ink); }
.slider__btn:focus-visible { outline: 1px solid var(--c-ink); outline-offset: 2px; }

.slider__track {
  display: flex;
  gap: clamp(.75rem, 1.4vw, 1.1rem);
  margin: 0 calc(var(--c-pad) * -1);
  padding: 0 var(--c-pad) .4rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  transition: opacity .18s ease;
}
.slider__track::-webkit-scrollbar { display: none; }
.slider__track:focus-visible { outline: 1px solid var(--c-line); outline-offset: 4px; }
.slider__track.is-dragging { scroll-behavior: auto; cursor: grabbing; user-select: none; }
.slider__track.is-dragging a { pointer-events: none; }
.slider__track.is-switching { opacity: 0; }

/* work cards: one shared row height; width follows the image shape (--ar = w/h) */
.wslide { flex: 0 0 auto; width: max(calc(var(--sh) * var(--ar, 1.6)), 112px); display: block; color: var(--c-ink); }
.wslide:focus-visible { outline: 1px solid var(--c-ink); outline-offset: 4px; }
.wslide__media {
  position: relative;
  display: block;
  width: 100%;
  height: var(--sh);
  overflow: hidden;
  background: #0b0b0b;
  border: 1px solid var(--c-line);
}
.wslide__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-user-drag: none;
  opacity: .78;
  transition: opacity .3s ease, transform .6s var(--c-ease);
}
.wslide:hover .wslide__media img, .wslide:focus-visible .wslide__media img { opacity: 1; transform: scale(1.04); }
.wslide__t {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin-top: .85rem;
  font-family: var(--c-syne);
  font-weight: 800;
  transform: scaleX(.86);
  transform-origin: left center;
  font-size: clamp(.95rem, 1.5vw, 1.15rem);
  letter-spacing: .02em;
  line-height: 1.12;
}
.wslide--portrait .wslide__t { -webkit-line-clamp: 3; }
.wslide__m {
  display: block;
  margin-top: .45rem;
  font-family: var(--c-mono);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-dim);
}

/* ---------- 2c. Work filter chips ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filters[hidden] { display: none; }
.chip {
  font-family: var(--c-mono);
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .55rem .9rem;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-dim);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.chip:hover, .chip:focus-visible { border-color: rgba(255,255,255,.7); color: var(--c-ink); }
.chip:focus-visible { outline: 1px solid var(--c-ink); outline-offset: 2px; }
.chip[aria-pressed="true"] { background: var(--c-ink); border-color: var(--c-ink); color: #000; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- 3. Projects (thumbnail cards in a slider) ---------- */
.slider--projects { margin-top: .4rem; }
.pcard { flex: 0 0 clamp(190px, 22vw, 300px); display: block; color: var(--c-ink); }
a.pcard:focus-visible { outline: 1px solid var(--c-ink); outline-offset: 4px; }
.pcard__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #0b0b0b;
  border: 1px solid var(--c-line);
  transition: border-color .25s ease;
}
.pcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-user-drag: none;
  opacity: .78;
  transition: opacity .3s ease, transform .6s var(--c-ease);
}
a.pcard:hover .pcard__media img, a.pcard:focus-visible .pcard__media img { opacity: 1; transform: scale(1.04); }
/* placeholder until an image is added */
.pcard__media--empty,
.portrait__frame--empty {
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 1px, transparent 1px 12px),
    #0b0b0b;
}
a.pcard:hover .pcard__media--empty, a.pcard:focus-visible .pcard__media--empty { border-color: rgba(255,255,255,.4); }
.pcard__i {
  position: absolute; top: .7rem; left: .8rem; z-index: 2;
  font-family: var(--c-mono); font-size: .58rem; letter-spacing: .1em; color: var(--c-faint);
}
.pcard__lock {
  position: absolute; top: .6rem; right: .7rem; z-index: 2;
  width: 16px; height: 16px;
  fill: none; stroke: var(--c-dim); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.pcard__t {
  display: block;
  margin-top: .85rem;
  font-family: var(--c-syne);
  font-weight: 800;
  transform: scaleX(.86);
  transform-origin: left center;
  font-size: clamp(.95rem, 1.5vw, 1.15rem);
  letter-spacing: .02em;
  line-height: 1.12;
}
.pcard__m {
  display: block;
  margin-top: .45rem;
  font-family: var(--c-mono);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-dim);
}
.pcard--locked .pcard__media img { filter: grayscale(1) blur(2px); opacity: .45; }
.pcard--locked .pcard__t { opacity: .6; }
.pcard--plain .pcard__t { opacity: .85; }

/* ---------- 4. About + Contact ---------- */
.about { display: grid; gap: clamp(2.5rem, 6vw, 3.5rem); }
@media (min-width: 760px) {
  .about {
    grid-template-columns: minmax(0, 1fr) minmax(0, 22rem);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }
}
.about__contact {
  margin-top: clamp(2.2rem, 5vw, 3rem);
  padding-top: clamp(1.6rem, 4vw, 2.2rem);
  border-top: 1px solid var(--c-line);
}
.portrait { margin: 0; }
.portrait__frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #0b0b0b;
  border: 1px solid var(--c-line);
}
.portrait__frame img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Small screens ---------- */
@media (max-width: 620px) {
  .slider__btns { display: none; } /* touch: swipe the track */
  .slider__head--end { display: none; }
  .slider__head { display: block; }
  /* chips become one swipeable row */
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 0 calc(var(--c-pad) * -1);
    padding: 0 var(--c-pad);
    scrollbar-width: none;
  }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__cue i { animation: none; opacity: .6; }
  .logos { overflow-x: auto; scrollbar-width: none; -webkit-mask-image: none; mask-image: none; }
  .logos__track { animation: none; }
  .logos__group[aria-hidden="true"] { display: none; }
}