/* ============================================================
   TOSH — Immersive 3D Gallery
   css/gallery.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@100;300;400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

:root {
  --bg:        #080808;
  --surface:   #111111;
  --surface-2: #1a1a1a;
  --border:    rgba(255, 255, 255, 0.07);
  --white:     #f5f5f5;
  --off-white: rgba(245, 245, 245, 0.55);
  --dim:       rgba(245, 245, 245, 0.3);

  --font-sans:  'Josefin Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button {
  cursor: pointer; border: none; background: none;
  font-family: inherit; font-size: inherit; color: inherit;
}

/* ------------------------------------------------------------
   Stage
   ------------------------------------------------------------ */
#stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
#stage.dragging { cursor: grabbing; }
#stage.hovering { cursor: pointer; }

/* ------------------------------------------------------------
   Loader
   ------------------------------------------------------------ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.loader-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.55em;
  text-indent: 0.55em;
  color: var(--off-white);
  text-transform: uppercase;
}

.loader-kicker span {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
}

.loader-pct {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 9vw, 6.5rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.loader-line {
  width: 180px;
  height: 1px;
  background: var(--border);
  overflow: hidden;
}

.loader-line-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
}

.loader-sub {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ------------------------------------------------------------
   Cinematic overlays — vignette + film grain
   ------------------------------------------------------------ */
#vignette {
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(8, 8, 8, 0) 52%,
    rgba(8, 8, 8, 0.38) 82%,
    rgba(8, 8, 8, 0.72) 100%);
}

#grain {
  position: fixed;
  inset: -100px;
  z-index: 60;
  pointer-events: none;
  opacity: 0.05;
  /* background-image injected by JS (self-generated noise tile) */
  animation: grain-shift 0.6s steps(4) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-32px, 18px); }
  50%  { transform: translate(22px, -28px); }
  75%  { transform: translate(-18px, -12px); }
  100% { transform: translate(0, 0); }
}

/* ------------------------------------------------------------
   Custom cursor
   ------------------------------------------------------------ */
#cursor { display: none; }

@media (pointer: fine) {
  body.custom-cursor, body.custom-cursor * { cursor: none !important; }

  #cursor {
    display: block;
    position: fixed;
    top: 0; left: 0;
    z-index: 90;
    pointer-events: none;
  }

  .cursor-dot {
    position: absolute;
    width: 5px; height: 5px;
    margin: -2.5px 0 0 -2.5px;
    border-radius: 50%;
    background: var(--white);
  }

  .cursor-ring {
    position: absolute;
    width: 36px; height: 36px;
    margin: -18px 0 0 -18px;
    border-radius: 50%;
    border: 1px solid rgba(245, 245, 245, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, border-color 0.3s ease;
  }

  .cursor-label {
    font-size: 0.55rem;
    letter-spacing: 0.22em;
    text-indent: 0.22em;
    text-transform: uppercase;
    color: var(--bg);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  #cursor.is-view .cursor-ring {
    background: var(--white);
    border-color: var(--white);
  }
  #cursor.is-view .cursor-label { opacity: 1; }
}

/* ------------------------------------------------------------
   HUD — nav
   ------------------------------------------------------------ */
#hud-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 2.4rem;
  pointer-events: none;
}

#hud-nav .nav-logo,
#hud-nav nav { pointer-events: auto; }

#hud-nav .nav-logo img { width: 42px; height: 42px; }

#hud-nav nav ul {
  display: flex;
  gap: 2.4rem;
  list-style: none;
}

#hud-nav nav button {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color 0.3s ease;
  padding: 0.4rem 0;
  position: relative;
}

#hud-nav nav button::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-out);
}

#hud-nav nav button:hover { color: var(--white); }
#hud-nav nav button:hover::after { transform: scaleX(1); transform-origin: left; }

/* ------------------------------------------------------------
   HUD — hero text (center, non-blocking)
   ------------------------------------------------------------ */
#hud-hero {
  position: fixed;
  z-index: 20;
  left: 50%; top: 50%;
  /* centring is applied via GSAP xPercent/yPercent so animated
     transforms (scale) don't wipe out the translate */
  width: min(92vw, 900px);
  text-align: center;
  pointer-events: none;
  mix-blend-mode: difference;
}

.hud-kicker {
  font-size: 0.7rem;
  letter-spacing: 0.6em;
  text-indent: 0.6em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 1rem;
}

.hud-headline {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.hud-headline em { font-style: italic; }

.hud-sub {
  margin-top: 1.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--off-white);
}

/* ------------------------------------------------------------
   Capabilities ticker
   ------------------------------------------------------------ */
#ticker {
  position: fixed;
  z-index: 18;
  left: 0; right: 0;
  bottom: 58px;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  width: max-content;
  white-space: nowrap;
  animation: ticker-scroll 46s linear infinite;
}

.ticker-track span {
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--dim);
}

.ticker-track i {
  font-style: normal;
  font-size: 0.5rem;
  color: rgba(245, 245, 245, 0.16);
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ------------------------------------------------------------
   HUD — hover label
   ------------------------------------------------------------ */
#hud-hover {
  position: fixed;
  z-index: 25;
  left: 50%;
  bottom: 14vh;
  transform: translateX(-50%);
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  pointer-events: none;
  opacity: 0;
}

.hud-hover-index {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.hud-hover-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  line-height: 1;
}

/* ------------------------------------------------------------
   HUD — footer
   ------------------------------------------------------------ */
#hud-foot {
  position: fixed;
  z-index: 30;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2.4rem;
  pointer-events: none;
}

.hud-meta {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--dim);
}

.hud-hint {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-indent: 0.35em;
  text-transform: uppercase;
  color: var(--off-white);
}

.hud-hint svg { color: var(--dim); }

/* ------------------------------------------------------------
   Detail view
   ------------------------------------------------------------ */
#detail {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}

#detail.open { visibility: visible; pointer-events: auto; }

.detail-bg {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
}

.detail-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 480px);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 4rem);
  max-width: 1200px;
  width: 100%;
}

.detail-back {
  position: absolute;
  top: 0;
  left: clamp(1.5rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color 0.3s ease;
  padding: 0.6rem 0;
}

.detail-back:hover { color: var(--white); }
.detail-back svg { transition: transform 0.45s var(--ease-out); }
.detail-back:hover svg { transform: translateX(-5px); }

.detail-media {
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(145deg, #161616, #0c0c0c);
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.65);
}

.detail-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  width: auto;
}

.detail-body { display: flex; flex-direction: column; }

.detail-index {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.6rem;
}

.detail-tag {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 1.2rem;
}

.detail-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  margin-bottom: 1.4rem;
}

.detail-text {
  color: var(--off-white);
  font-size: 1rem;
  max-width: 44ch;
  margin-bottom: 2rem;
}

.detail-rule {
  width: 64px;
  height: 1px;
  background: var(--border);
  margin-bottom: 1rem;
}

.detail-meta {
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--dim);
}

.detail-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2.2rem;
}

.detail-nav button {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color 0.3s ease;
  padding: 0.5rem 0;
}

.detail-nav button:hover { color: var(--white); }
.detail-nav button svg { transition: transform 0.45s var(--ease-out); }
.detail-nav button[data-action="prev"]:hover svg { transform: translateX(-5px); }
.detail-nav button[data-action="next"]:hover svg { transform: translateX(5px); }

.detail-nav-sep {
  width: 1px; height: 14px;
  background: var(--border);
}

/* ------------------------------------------------------------
   Panels (story / contact)
   ------------------------------------------------------------ */
.panel {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
  background: rgba(8, 8, 8, 0.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
}

.panel.open { visibility: visible; pointer-events: auto; }

.panel-inner {
  position: relative;
  max-width: 760px;
  width: 100%;
  padding: clamp(2rem, 5vw, 4rem);
}

.panel .detail-back {
  position: static;
  margin-bottom: 2.5rem;
}

.panel-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 1.8rem;
}

.story-text p {
  color: var(--off-white);
  margin-bottom: 1.2rem;
  max-width: 60ch;
}

.story-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item { display: flex; flex-direction: column; }

.counter {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 0.5rem;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
}

.contact-email {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: 1.6rem;
  transition: opacity 0.3s ease;
}
.contact-email:hover { opacity: 0.7; }

.contact-linkedin {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: fit-content;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color 0.3s ease;
  margin-bottom: 3rem;
}
.contact-linkedin:hover { color: var(--white); }

.contact-copy {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ------------------------------------------------------------
   Anim helpers (GSAP targets)
   ------------------------------------------------------------ */
.detail-media, .detail-body > *, .panel-inner > * { will-change: transform, opacity; }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  .detail-inner {
    grid-template-columns: 1fr;
    gap: 1.6rem;
    max-width: 540px;
    padding-top: 5rem;
    max-height: 100vh;
    overflow-y: auto;
  }
  .detail-media { aspect-ratio: 16 / 10; }
  .story-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  #hud-nav { padding: 1.1rem 1.2rem; }
  #hud-nav nav ul { gap: 1.4rem; }
  /* comfortable thumb-sized tap targets */
  #hud-nav nav button { font-size: 0.66rem; letter-spacing: 0.14em; padding: 0.8rem 0.2rem; }
  .detail-back, .detail-nav button { padding: 0.8rem 0.4rem; }
  #hud-nav .nav-logo img { width: 34px; height: 34px; }

  .hud-kicker { font-size: 0.58rem; letter-spacing: 0.42em; text-indent: 0.42em; }
  .hud-headline { font-size: clamp(2rem, 10.5vw, 3.2rem); }
  .hud-sub { font-size: 0.66rem; padding: 0 0.6rem; }

  #hud-foot { padding: 1rem 1.3rem; justify-content: center; }
  #hud-foot .hud-meta { display: none; }
  #hud-hover { bottom: 12vh; }
  #ticker { bottom: 50px; }
  .ticker-track span { font-size: 0.55rem; }

  .detail-back { font-size: 0.62rem; }
  .detail-title { font-size: clamp(1.9rem, 9vw, 2.6rem); }
  .detail-text { font-size: 0.92rem; }
  .panel-heading { font-size: clamp(1.9rem, 9vw, 2.8rem); }
  .contact-email { font-size: clamp(1.3rem, 7vw, 2rem); }
}

/* ------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}