/* omart.design — immersive cinematic recreation (Active Theory-inspired).
   Three depth layers: Scene (bg) · Showcase (full-bleed works) · HUD (interface). */

:root {
  --bg: #01000d;
  --accent: rgb(199, 181, 199);
  --logo-w: 200px;
  --logo-h: 73px;
  --icon-size: 56px;

  /* Cinematic motion language: slow, eased, "breathing" */
  --ease-cine: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-slow: 0.9s;
  --dur-med: 0.6s;

  /* Safe band for the work: space reserved for header+slogan (top) and
     the footer (bottom). On desktop the caption sits lower-left, beside the
     centred work, so it doesn't need vertical reserve. */
  --safe-top: 230px;
  --safe-bottom: 128px;
  /* Always-square work, as large as the safe band and viewport allow. */
  --work: min(82vmin, calc(100vh - var(--safe-top) - var(--safe-bottom)), 1000px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: #fff;
  font-family: "Sora", "Outfit", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* immersive: no page scroll */
}

/* ---------- z0 · Scene (animated background) ---------- */
.rive-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
  pointer-events: none;
  /* parallax fallback: oversize so JS can translate without exposing edges */
  transform: scale(1.14);
  will-change: transform;
}

/* ---------- z1 · Showcase (full-bleed works) ---------- */
.showcase {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  touch-action: none; /* let JS own the horizontal swipe gesture on touch */
}

.slides {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
  /* 3D stage: works swap like cube faces, swinging in from depth */
  perspective: 1700px;
  transform-style: preserve-3d;
}

/* Each work floats full-screen; inactive ones drop into rack-focus (blur + dim).
   Top/bottom padding reserves a safe band so works never collide with the slogan
   (top) or the footer badge (bottom). */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--safe-top) 5vw var(--safe-bottom);
  opacity: 0;
  filter: blur(14px) brightness(0.5);
  backface-visibility: hidden;
  transition:
    opacity var(--dur-slow) var(--ease-cine),
    transform var(--dur-slow) var(--ease-cine),
    filter var(--dur-slow) var(--ease-cine);
  pointer-events: none;
}
/* Visual transform/opacity/filter are driven inline by JS (the 3D cube swap);
   this rule only owns the always-true bits of the active slide. */
.slide.is-active {
  pointer-events: auto; /* let the active work receive cursor for its Rive interactions */
  z-index: 2;
}
/* When the .riv exposes a `focus` input, Rive does the rack-focus itself — drop CSS blur. */
body.has-rive-focus .slide {
  filter: none !important;
}
/* During surface calibration the slides are flattened instantly — no animation. */
.showcase.calibrating .slide {
  transition: none !important;
}

/* The work canvas: an explicit square (no aspect-ratio guesswork → no stretch) */
.slide canvas {
  display: block;
  width: var(--work);
  height: var(--work);
}

/* Graceful fallback when a .riv fails to load */
.slide.rive-failed canvas { visibility: hidden; }
.slide.rive-failed::after {
  content: "✦";
  font-size: 48px;
  color: rgba(199, 181, 199, 0.5);
}

/* Cinematic grade: vignette + faint grain over the showcase */
.grade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(120% 120% at 50% 45%, transparent 52%, rgba(0, 0, 0, 0.55) 100%),
    radial-gradient(140% 100% at 50% 0%, rgba(40, 28, 60, 0.25), transparent 55%);
}
.grade::after {
  content: "";
  position: absolute;
  inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: screen;
  animation: grain 0.6s steps(2) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  50%  { transform: translate(-4%, 3%); }
  100% { transform: translate(3%, -2%); }
}

/* ---------- z2 · HUD (interface overlay) ---------- */
.hud {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  padding: 16px 32px 24px;
  pointer-events: none; /* empty areas pass clicks/drag to the showcase below */
  will-change: transform;
}
/* Interactive bits opt back into pointer events (slogan included — it's a Rive interaction) */
.logo, .contact, .slogan, .nav-arrow, .made-badge, .dot { pointer-events: auto; }
/* The Rive canvas inside an outbound link must NOT eat the tap, or the link never
   fires (critical on touch). The logo keeps its canvas interactive (its link is just
   "/", so Rive interaction is more valuable than navigation). */
.contact canvas, .made-badge canvas { pointer-events: none; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: block;
  width: var(--logo-w);
  height: var(--logo-h);
  text-decoration: none;
}
.logo canvas { width: 100%; height: 100%; display: block; }

.contacts {
  display: flex;
  align-items: center;
  gap: 28px;
}
.contact {
  display: block;
  width: var(--icon-size);
  height: var(--icon-size);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-med) var(--ease-cine);
}
.contact:hover { transform: translateY(-3px); }
.contact canvas { width: 100%; height: 100%; display: block; }

/* Slogan floats near the top-centre, over the work (kept compact so works read large) */
.slogan {
  width: 460px;
  max-width: 88vw;
  height: 140px;
  margin: 6px auto 0;
}
.slogan canvas { width: 100%; height: 100%; display: block; }

/* Edge navigation arrows, vertically centred */
.nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--dur-med) var(--ease-cine), transform var(--dur-med) var(--ease-cine);
}
.nav-arrow:hover { background: rgba(0, 0, 0, 0.6); }
.nav-prev { left: 24px; }
.nav-prev:hover { transform: translateY(-50%) translateX(-3px); }
.nav-next { right: 24px; }
.nav-next:hover { transform: translateY(-50%) translateX(3px); }

/* Footer pinned to the bottom: dots + made badge */
.footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.dots {
  display: flex;
  justify-content: center;
  gap: 10px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: var(--accent);
  opacity: 0.4;
  cursor: pointer;
  transition: opacity var(--dur-med) var(--ease-cine), transform var(--dur-med) var(--ease-cine);
}
.dot.active { opacity: 1; transform: scale(1.3); }

.made-badge { display: inline-flex; text-decoration: none; }
/* Compact footer so the dots sit clear below the work */
.footer canvas { display: block; width: min(200px, 54vw); height: 60px; }

/* ---------- Project caption (English copy, in the safe band, lower-left) ---------- */
.caption {
  position: fixed;
  left: 32px;
  bottom: clamp(118px, 16vh, 156px);
  z-index: 4;
  max-width: min(380px, 60vw);
  pointer-events: none; /* purely informative; never blocks the work */
  font-family: "Outfit", sans-serif;
  color: #F2DCF2;
  transition: opacity var(--dur-med) var(--ease-cine), transform var(--dur-med) var(--ease-cine);
}
.caption.is-switching { opacity: 0; transform: translateY(8px); }
.caption-index {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.75;
}
.caption-title {
  margin: 5px 0 3px;
  font-size: clamp(18px, 2vw, 25px);
  font-weight: 300; /* slightly denser so the title stays legible */
  line-height: 1.1;
}
.caption-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 200; /* thin; drop to 100 for even lighter */
}

/* ---------- Breakpoints ---------- */
@media (max-width: 1199.98px) {
  .hud { padding: 14px 24px 20px; }
  .logo { width: 190px; height: 70px; }
  .slogan { width: 400px; height: 124px; }
  :root {
    --safe-top: 210px;
    --safe-bottom: 128px;
    --work: min(80vmin, calc(100vh - var(--safe-top) - var(--safe-bottom)), 880px);
  }
}

@media (max-width: 809.98px) {
  .hud { padding: 12px 16px 18px; --icon-size: 44px; }
  .logo { width: 150px; height: 55px; }
  .contacts { gap: 16px; }
  .slogan { width: 325px; height: 100px; }
  /* Mobile reserves bottom space because the caption sits centred under the work.
     Caption kept compact so the work stays large. */
  :root {
    --safe-top: 172px;
    --safe-bottom: 224px;
    --work: min(90vmin, calc(100vh - var(--safe-top) - var(--safe-bottom)), 600px);
  }
  .slide { padding: var(--safe-top) 12px var(--safe-bottom); }

  /* Smaller footer so the dots sit clear below the caption */
  .footer { gap: 10px; }
  .footer canvas { width: min(150px, 48vw); height: 50px; }

  /* Caption: centred under the work, stacked, clear of the dots */
  .caption {
    left: 14px;
    right: 14px;
    bottom: clamp(126px, 17vh, 158px);
    max-width: none;
    text-align: center;
  }
  .caption-index { font-size: 9px; }
  .caption-title { font-size: 16px; }
  /* Smaller and capped to a few lines so a long blurb can't climb onto the work */
  .caption-desc {
    font-size: 11.5px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .nav-arrow { width: 42px; height: 42px; background: rgba(0, 0, 0, 0.45); }
  .nav-prev { left: 10px; }
  .nav-next { right: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .slide { transition: opacity var(--dur-med) linear; transform: none; filter: none; }
  .slide:not(.is-active) { filter: brightness(0.45); }
  .grade::after { animation: none; }
  .rive-bg { transform: none; }
}