:root {
    --bg-default: #0d0d0e;
    --ink-default: #d4d1c5;
    --bg: var(--bg-default);
    --ink: var(--ink-default);
    --title-mask-image: none;
    --ease-out: cubic-bezier(.22,1,.36,1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --theme-trans: background-color 0.72s var(--ease-in-out),
                   color 0.72s var(--ease-in-out),
                   border-color 0.72s var(--ease-in-out);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html, body { width: 100%; height: 100%; overflow: hidden; -webkit-font-smoothing: antialiased; }
  body {
    background: var(--bg);
    color: var(--ink);
    font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
    font-weight: 400;
    transition: var(--theme-trans);
    user-select: none;
    -webkit-user-select: none;
  }
  a { color: inherit; text-decoration: none; }

  .logo {
    position: fixed; top: 32px; left: 40px; z-index: 100;
    font-family: "Big Shoulders Display", sans-serif;
    font-weight: 900; font-size: 26px; letter-spacing: 0.02em; line-height: 0.9;
    transition: var(--theme-trans);
  }
  .logo-link { pointer-events: auto; display: inline-block; cursor: pointer; }

  .top-right {
    position: fixed; top: 34px; right: 40px; z-index: 100;
    font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
  }
  .top-right a { position: relative; padding-bottom: 3px; cursor: pointer; }
  .top-right a::after { content: ""; position: absolute; bottom: 0; left: 0; width: 100%; height: 1px; background: currentColor; }

  .slider-indicator {
    position: fixed; top: 34px; left: 50%; transform: translateX(-50%); z-index: 100;
    display: flex; align-items: center; gap: 14px;
    font-size: 10px; letter-spacing: 0.15em; font-weight: 500; font-variant-numeric: tabular-nums;
  }
  .slider-indicator .tick-row { display: flex; gap: 3px; align-items: center; pointer-events: auto; }
  .slider-indicator .tick {
    width: 1px; height: 10px; background: var(--ink); opacity: 0.35;
    transition: opacity 0.38s var(--ease-out), height 0.38s var(--ease-out), background-color 0.65s var(--ease-in-out);
    cursor: pointer;
  }
  .slider-indicator .tick.active { opacity: 1; height: 14px; }
  .slider-indicator .counter-wrap { display: flex; align-items: center; gap: 10px; opacity: 0; transition: opacity 0.28s var(--ease-out); }
  .slider-indicator .counter-wrap.show { opacity: 1; }
  .slider-indicator .counter-box { display: inline-block; padding: 2px 6px; border: 1px solid var(--ink); min-width: 28px; text-align: center; transition: border-color 0.6s var(--ease-in-out); }

  .bottom-left, .bottom-right {
    position: fixed; bottom: 28px; z-index: 100;
    font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; line-height: 1.6;
  }
  .bottom-left { left: 40px; }
  .bottom-right { right: 40px; text-align: right; }
  .bottom-right a { display: block; position: relative; cursor: pointer; }
  .bottom-right a::before { content: ""; position: absolute; bottom: -2px; right: 0; width: 0; height: 1px; background: currentColor; transition: width 0.35s var(--ease-out); }
  .bottom-right a:hover::before { width: 100%; }

  .stage {
    position: fixed; inset: 0; z-index: 1; overflow: hidden;
  }
  #gl {
    position: absolute; inset: 0; width: 100%; height: 100%; display: block;
    z-index: 1; pointer-events: auto;
  }

  .project-title {
    position: fixed; top: 50%; left: 0; width: 100%; transform: translateY(-50%);
    z-index: 20;
    font-family: "Big Shoulders Display", sans-serif;
    font-weight: 900; line-height: 0.85; letter-spacing: 0.01em; text-transform: uppercase; text-align: center;
    font-size: clamp(5.5rem, 12vw, 13rem);
    color: var(--ink);
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    text-shadow: 0 10px 34px rgba(0,0,0,0.26);
    transition: color 0.62s var(--ease-in-out), opacity 0.36s var(--ease-out), transform 0.56s var(--ease-out);
  }
  body.mode-project .project-title { opacity: 0.78; color: color-mix(in srgb, var(--ink) 82%, transparent); filter: drop-shadow(0 12px 26px rgba(0,0,0,.28)); }
  .project-title .title-line { display: block; line-height: 0.82; }
  .project-title .title-line-small { font-size: 0.52em; letter-spacing: 0.055em; margin-bottom: -0.04em; opacity: 0.84; }
  .project-title .title-line-big { font-size: 1em; }
  .project-title .title-line-single { font-size: 0.92em; }
  .project-title .letter-space { display: inline-block; width: 0.20em; }

  .project-title .letter-wrap { display: inline-block; overflow: hidden; vertical-align: bottom; line-height: 0.85; }
  .project-title .letter-inner { display: inline-block; transform: translate3d(0, 110%, 0); transition: transform 0.50s var(--ease-out); will-change: transform; }
  body.title-on .project-title .letter-inner { transform: translate3d(0,0,0); }

  .center-explore {
    position: fixed; bottom: 44px; left: 50%; transform: translateX(-50%); z-index: 90;
    text-align: center; font-size: 12px; letter-spacing: 0.02em; line-height: 14px; pointer-events: none;
  }
  .center-explore .line-w { display: inline-block; pointer-events: auto; }
  .center-explore .line-item { display: block; overflow: hidden; position: relative; }
  .center-explore .line-item-inner { display: inline-flex; align-items:center; gap:7px; transform: translate3d(0,101%,0); transition: transform 0.46s var(--ease-out); position: relative; padding-bottom: 4px; }
  .center-explore .explore-arrow { display:inline-block; font-size: 11px; line-height:1; transform: translate3d(0,1px,0); transition: transform .32s var(--ease-out); }
  .center-explore a:hover .explore-arrow { transform: translate3d(3px,-2px,0); }
  .center-explore .line-item-inner::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: currentColor; }

  .center-cross { display: none; }
  .center-cross .c-line-wrap { height: 34px; width: 3px; overflow: hidden; margin: 9px auto 0; position: relative; }
  .center-cross .c-line { position: absolute; left: 0; top: 0; width: 1px; height: 100%; border-right: 1px solid var(--ink); transform: translate3d(0,-110%,0); transition: transform 0.50s var(--ease-out), border-color 0.62s var(--ease-in-out); }
  .center-cross .c-symbol-wrap { margin-top: 13px; width: 14px; height: 14px; overflow: hidden; }
  .center-cross .c-symbol { transform: translate3d(0,110%,0); transition: transform 0.50s var(--ease-out); }
  .center-cross svg { display: block; }

  .left-info { position: fixed; bottom: 47px; left: 50%; transform: translateX(-100%); font-size: 10px; line-height: 12px; letter-spacing: 0.02em; z-index: 90; padding-right: 24px; pointer-events: none; }
  .left-info .row { display: flex; overflow: hidden; }
  .left-info .row + .row { margin-top: 2px; }
  .left-info .row-inner { display: flex; transform: translate3d(0,-101%,0); transition: transform 0.50s var(--ease-out); }
  .left-info .col-letter { width: 30px; font-size: 10px; opacity: 0.55; text-transform: uppercase; font-weight: 500; letter-spacing: 0.08em; }
  .left-info .col-label { width: 130px; opacity: 0.6; text-transform: uppercase; font-weight: 500; letter-spacing: 0.08em; }
  .left-info .col-value { width: 250px; opacity: 1; text-transform: uppercase; font-weight: 500; letter-spacing: 0.08em; }

  .right-desc { position: fixed; bottom: 48px; left: calc(50% + 24px); font-size: 10px; line-height: 14px; letter-spacing: 0.02em; z-index: 90; pointer-events: none; padding-left: 120px; text-transform: uppercase; font-weight: 500; opacity: 0.85; }
  .right-desc .line { overflow: hidden; }
  .right-desc .line-inner { display: block; transform: translate3d(0,-101%,0); transition: transform 0.50s var(--ease-out); }

  body.meta-on .center-explore .line-item-inner,
  body.meta-on .center-cross .c-line,
  body.meta-on .center-cross .c-symbol,
  body.meta-on .left-info .row-inner,
  body.meta-on .right-desc .line-inner { transform: translate3d(0,0,0); }

  .load { position: fixed; inset: 0; background: var(--bg-default); z-index: 9998; display: flex; align-items: center; justify-content: center; transition: opacity 0.5s var(--ease-out), visibility 0s 0.5s; }
  .load.done { opacity: 0; visibility: hidden; }
  .load-text { font-family: "Big Shoulders Display", sans-serif; font-weight: 900; font-size: 56px; letter-spacing: 0.02em; color: var(--ink-default); }
  .load-dot { display: inline-block; animation: loadPulse 1.2s ease-in-out infinite; }
  @keyframes loadPulse { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

  @media (max-width: 1200px) {
    .right-desc { padding-left: 60px; }
    .left-info { padding-right: 12px; }
    .left-info .col-label { width: 90px; }
    .left-info .col-value { width: 180px; }
  }
  @media (max-width: 900px) {
    .logo { top: 20px; left: 20px; font-size: 22px; }
    .top-right { top: 22px; right: 20px; }
    .bottom-left, .bottom-right { bottom: 20px; }
    .bottom-left { left: 20px; }
    .bottom-right { right: 20px; }
    .project-title { font-size: clamp(4rem, 18vw, 8rem); opacity: 0; }
    body.mode-project .project-title { opacity: 0.72; }
    .left-info, .right-desc { position: fixed; left: 20px; right: 20px; width: auto; transform: none; padding: 0; }
    .left-info { bottom: 110px; }
    .left-info .col-letter { width: 22px; }
    .left-info .col-label { width: 70px; }
    .left-info .col-value { width: auto; flex: 1; }
    .right-desc { bottom: 78px; padding: 0; }
    .right-desc .line-inner { text-align: left; }
    .center-explore { bottom: 44px; }
    .center-cross { display: none; }
  }

/* =====================================================================
   ABOUT / MOBILE FALLBACK
   ===================================================================== */
.about-panel {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: color-mix(in srgb, var(--bg) 94%, black);
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .42s var(--ease-out), visibility 0s .42s;
}

body.about-open .about-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity .42s var(--ease-out), visibility 0s;
}

.about-panel-inner {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(760px, calc(100vw - 80px));
  transform: translate(-50%, -46%);
  transition: transform .5s var(--ease-out);
}

body.about-open .about-panel-inner {
  transform: translate(-50%, -50%);
}

.about-kicker,
.mobile-kicker,
.mobile-role,
.mobile-note {
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
  opacity: .75;
}

.about-panel h1,
.mobile-about h1 {
  font-family: "Big Shoulders Display", sans-serif;
  font-size: clamp(52px, 8vw, 116px);
  line-height: .86;
  text-transform: uppercase;
  letter-spacing: .01em;
  margin: 18px 0 24px;
}

.about-panel p {
  max-width: 680px;
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 16px;
}

.about-links,
.mobile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 28px;
}

.about-links a,
.mobile-links a {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.about-close {
  position: fixed;
  top: 34px;
  right: 40px;
  z-index: 520;
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}

.mobile-about {
  display: none;
}

/* Mobile intentionally bypasses the WebGL portfolio.
   The desktop gallery uses hover/click/wheel interactions that are bad on phones. */
@media (max-width: 900px), (pointer: coarse) {
  html, body {
    height: auto;
    min-height: 100%;
    overflow: auto;
    user-select: text;
    -webkit-user-select: text;
    background: #0d0d0e;
  }

  .stage,
  #gl,
  .project-title,
  .slider-indicator,
  .top-right,
  .bottom-left,
  .bottom-right,
  .left-info,
  .right-desc,
  .center-explore,
  .center-cross,
  .about-panel {
    display: none !important;
  }

  .load {
    display: none !important;
  }

  .logo {
    position: fixed;
    top: 22px;
    left: 22px;
    z-index: 20;
    font-size: 24px;
    color: #d4d1c5;
  }

  .mobile-about {
    display: block;
    min-height: 100vh;
    background:
      radial-gradient(circle at 20% 10%, rgba(90, 184, 255, .16), transparent 34%),
      radial-gradient(circle at 80% 20%, rgba(255, 77, 61, .13), transparent 30%),
      #0d0d0e;
    color: #d4d1c5;
    padding: 92px 24px 44px;
  }

  .mobile-shell {
    max-width: 560px;
    margin: 0 auto;
  }

  .mobile-about h1 {
    font-size: clamp(56px, 18vw, 96px);
    margin-bottom: 10px;
  }

  .mobile-role {
    color: #5ab8ff;
    margin-bottom: 30px;
  }

  .mobile-about p {
    font-size: 15px;
    line-height: 1.58;
    margin: 0 0 18px;
    color: color-mix(in srgb, #d4d1c5 88%, transparent);
  }

  .mobile-projects {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0;
  }

  .mobile-projects span {
    border: 1px solid rgba(212, 209, 197, .22);
    border-radius: 999px;
    padding: 8px 10px;
    font-size: 10px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: color-mix(in srgb, #d4d1c5 84%, transparent);
  }

  .mobile-links {
    margin-top: 26px;
  }

  .mobile-note {
    margin-top: 32px !important;
    color: #5ab8ff !important;
  }
}


.about-small {
  font-size: 13px !important;
  opacity: .78;
}

.mobile-projects a {
  border: 1px solid rgba(212, 209, 197, .22);
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: color-mix(in srgb, #d4d1c5 84%, transparent);
  text-decoration: none;
}

.mobile-projects a:hover {
  border-color: rgba(90, 184, 255, .7);
  color: #5ab8ff;
}

/* Desktop cards default grayscale in WebGL shader; color restores on hover/focus. */