@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 200; font-display: swap; src: url("assets/fonts/IBMPlexSans-200.woff") format("woff"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 300; font-display: swap; src: url("assets/fonts/IBMPlexSans-300.woff") format("woff"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("assets/fonts/IBMPlexSans-400.woff") format("woff"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("assets/fonts/IBMPlexSans-500.woff") format("woff"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("assets/fonts/IBMPlexSans-600.woff") format("woff"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("assets/fonts/IBMPlexMono-400.woff") format("woff"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("assets/fonts/IBMPlexMono-500.woff") format("woff"); }

:root {
  --bg: #0A0D12; --bg2: #0E131A; --panel: #121821; --line: #1F2833; --line2: #2E3946;
  --text: #E6EDF3; --body: #B8C3CF; --mute: #8B97A6; --dim: #5C6878;
  --cyan: #20B3C9; --cyan2: #42C7DC; --amber: #D9A04A;
  --r: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: "IBM Plex Sans", system-ui, sans-serif; font-weight: 300;
       line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan2); }
.mono { font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.18em; font-weight: 400; }
.nt { text-transform: none; }
.wrap { width: min(1200px, 100% - 48px); margin: 0 auto; }
.kicker { font-size: 13px; color: var(--cyan); }
h1 { font-weight: 300; font-size: clamp(44px, 7.4vw, 104px); line-height: 1.02; letter-spacing: -0.025em; margin-top: 18px; }
h2 { font-weight: 300; font-size: clamp(32px, 4.4vw, 56px); line-height: 1.08; letter-spacing: -0.015em; margin-top: 14px; }
h2 em { font-style: normal; color: var(--amber); }
.soft { color: var(--mute); }
.lead { margin-top: 22px; font-size: clamp(17px, 1.6vw, 20px); color: var(--body); max-width: 640px; }
.lead.narrow { max-width: 720px; }
.note { margin-top: 14px; font-size: 11px; color: var(--dim); letter-spacing: 0.14em; }
.fine { font-size: 13px; color: var(--dim); }

.btn { display: inline-flex; align-items: center; gap: 12px; padding: 14px 24px; border-radius: 8px; border: 1px solid var(--cyan);
       background: var(--cyan); color: #04161A; font: 500 15px "IBM Plex Sans", sans-serif; cursor: pointer; transition: background .2s, color .2s; }
.btn:hover { background: var(--cyan2); color: #04161A; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line2); }
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn.small { padding: 9px 16px; font-size: 14px; }
.btn .dur { font-size: 11px; opacity: 0.75; }

/* nav */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; background: rgba(10,13,18,0.72); backdrop-filter: blur(12px);
       border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 600; letter-spacing: 0.08em; font-size: 15px; white-space: nowrap; }
.brand img { width: 30px; }
.brand b { color: var(--cyan); font-weight: 400; }
.links { display: flex; gap: 28px; margin-left: auto; }
.links a { color: var(--body); font-size: 15px; font-weight: 400; }
.links a:hover { color: var(--text); }
.menu { display: none; margin-left: auto; width: 40px; height: 40px; background: none; border: 0; cursor: pointer; }
.menu i { display: block; width: 22px; height: 1.5px; background: var(--text); margin: 6px auto; }

/* hero */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background:
  linear-gradient(90deg, rgba(10,13,18,0.82) 0%, rgba(10,13,18,0.55) 45%, rgba(10,13,18,0.1) 75%),
  linear-gradient(to top, rgba(10,13,18,0.97) 4%, rgba(10,13,18,0.35) 45%, rgba(10,13,18,0.1) 75%, rgba(10,13,18,0.55) 100%); }
.hero-in { position: relative; padding-top: 140px; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-foot { position: relative; display: flex; flex-wrap: wrap; gap: 14px 40px; margin-top: 72px; margin-bottom: 40px; padding-top: 22px;
             border-top: 1px solid rgba(255,255,255,0.1); font-size: 12px; color: var(--mute); }

/* sections */
.section { padding: clamp(80px, 11vw, 140px) 0; }
.section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }

/* before / after */
.compare { position: relative; margin-top: 44px; aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; cursor: ew-resize;
           user-select: none; touch-action: pan-y; box-shadow: 0 0 0 1px var(--line2), 0 30px 80px rgba(0,0,0,0.5); --x: 50%; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare .after { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--x)); }
.compare .handle { position: absolute; top: 0; bottom: 0; left: var(--x); width: 2px; margin-left: -1px; background: var(--cyan);
                   box-shadow: 0 0 18px rgba(32,179,201,0.8); outline: none; }
.compare .handle span { position: absolute; top: 50%; left: 50%; width: 56px; height: 56px; margin: -28px 0 0 -28px; border-radius: 50%;
                        background: rgba(10,13,18,0.85); border: 2px solid var(--cyan); display: flex; align-items: center; justify-content: center; }
.compare .handle:focus-visible span { box-shadow: 0 0 0 4px rgba(32,179,201,0.35); }
.compare svg { width: 26px; height: 26px; fill: none; stroke: var(--cyan); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.compare .tag { position: absolute; top: 18px; font-size: 11px; padding: 7px 11px; border-radius: 6px; background: rgba(10,13,18,0.78);
                border: 1px solid rgba(255,255,255,0.1); color: #C9D2DC; }
.compare .tag.l { left: 18px; } .compare .tag.r { right: 18px; color: var(--cyan); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 72px; }
.stat { padding: 0 34px; border-left: 1px solid var(--line2); }
.stat:first-child { padding-left: 0; border-left: 0; }
.stat .num { font-size: clamp(56px, 7vw, 96px); font-weight: 200; line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .num small { font-size: 0.4em; font-weight: 300; color: var(--cyan); margin-left: 6px; letter-spacing: 0; }
.stat .lbl { margin-top: 18px; font-size: 12px; color: var(--text); }
.stat p { margin-top: 8px; color: var(--mute); font-size: 15px; }

/* porosity */
.bars { margin-top: 40px; display: grid; gap: 26px; }
.bar .row { display: flex; justify-content: space-between; align-items: baseline; }
.bar .row span { font-size: 11px; color: var(--mute); }
.bar .row b { font-weight: 300; font-size: 30px; font-variant-numeric: tabular-nums; }
.bar .track { position: relative; margin-top: 8px; height: 12px; background: #161D26; border-radius: 3px; }
.bar .track i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 3px; }
.bar .track u { position: absolute; left: 71.6%; top: -6px; bottom: -6px; width: 2px; background: rgba(230,237,243,0.55); }
.pores { position: relative; aspect-ratio: 1 / 1; border-radius: var(--r); overflow: hidden; box-shadow: 0 0 0 1px var(--line2); }
.pores img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pores .pa { opacity: 0; }
.pores.raw .pa { opacity: 1; } .pores.raw .pb { opacity: 0; }
.pores figcaption { position: absolute; left: 16px; top: 16px; display: flex; gap: 4px; padding: 4px; border-radius: 8px;
                    background: rgba(10,13,18,0.82); border: 1px solid rgba(255,255,255,0.1); }
.seg { background: none; border: 0; color: var(--mute); font: inherit; letter-spacing: 0.16em; font-size: 11px; padding: 7px 10px; border-radius: 5px; cursor: pointer; }
.seg.on { background: rgba(32,179,201,0.16); color: var(--cyan); }

/* workspace */
.tabs { display: inline-flex; gap: 4px; margin-top: 36px; padding: 4px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.tabs button { background: none; border: 0; color: var(--mute); font: inherit; font-size: 11px; letter-spacing: 0.16em; padding: 9px 14px; border-radius: 7px; cursor: pointer; }
.tabs button.on { background: rgba(32,179,201,0.16); color: var(--cyan); }
.shot { position: relative; margin-top: 22px; aspect-ratio: 2880 / 1736; border-radius: var(--r); overflow: hidden;
        box-shadow: 0 0 0 1px var(--line2), 0 40px 100px rgba(0,0,0,0.6); }
.shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.shot img.on { opacity: 1; }
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 40px; margin-top: 72px; }
.feats svg { width: 30px; height: 30px; fill: none; stroke: var(--cyan); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.feats h3 { margin-top: 14px; font-size: 19px; font-weight: 500; }
.feats p { margin-top: 6px; color: var(--mute); font-size: 15px; }

/* workflow */
.flow { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin-top: 56px; position: relative; }
.flow::before { content: ""; position: absolute; left: 22px; right: 10%; top: 22px; height: 1px; background: linear-gradient(90deg, var(--cyan), rgba(32,179,201,0.15)); }
.flow li { position: relative; counter-increment: s; }
.flow li::before { content: counter(s); display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%;
                   border: 1.5px solid var(--cyan); background: var(--bg2); color: var(--cyan); font: 400 14px "IBM Plex Mono", monospace; position: relative; }
.flow b { display: block; margin-top: 18px; font-weight: 500; font-size: 18px; }
.flow span { display: block; margin-top: 4px; color: var(--mute); font-size: 15px; }

/* editions */
.eds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.ed { display: flex; flex-direction: column; padding: 28px 24px; border-radius: var(--r); border: 1px solid var(--line2); background: rgba(255,255,255,0.015); }
.ed.hi { border-color: rgba(32,179,201,0.55); background: rgba(32,179,201,0.06); }
.ed > span { font-size: 11px; color: var(--mute); } .ed.hi > span { color: var(--cyan); }
.ed h3 { margin-top: 8px; font-size: 28px; font-weight: 400; }
.ed ul { list-style: none; margin: 18px 0 26px; flex: 1; }
.ed li { position: relative; padding-left: 18px; margin-top: 8px; color: var(--body); font-size: 15px; }
.ed li::before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 1.5px; background: var(--cyan); }
.ed .btn { align-self: flex-start; }
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 64px; padding-top: 36px; border-top: 1px solid var(--line); }
.specs h4 { font-size: 11px; color: var(--cyan); }
.specs p { margin-top: 10px; color: var(--mute); font-size: 15px; }

/* contact */
.contact .split { align-items: start; }
.lab { margin-top: 40px; border-radius: var(--r); aspect-ratio: 16 / 10; object-fit: cover; width: 100%; box-shadow: 0 0 0 1px var(--line2); }
.form { display: grid; gap: 16px; padding: 32px; border-radius: var(--r); background: var(--panel); border: 1px solid var(--line2); }
.form label { display: grid; gap: 7px; font-size: 13px; color: var(--mute); font-weight: 400; }
.form input, .form select, .form textarea { width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--line2); background: var(--bg);
       color: var(--text); font: 300 16px "IBM Plex Sans", sans-serif; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(32,179,201,0.18); }
.form input::placeholder { color: var(--dim); }
.form .btn { justify-self: start; margin-top: 6px; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 48px 0 60px; }
.foot-in { display: grid; gap: 16px; }
.foot .mono { font-size: 11px; color: var(--mute); }
.foot-contact { font-size: 15px; }

/* film modal */
.film { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(4,6,9,0.92); }
.film[hidden] { display: none; }
.film video { width: min(1280px, 100%); border-radius: 10px; box-shadow: 0 0 0 1px var(--line2); }
.film .x { position: absolute; top: 18px; right: 22px; background: none; border: 0; color: var(--text); font-size: 40px; line-height: 1; cursor: pointer; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .links, .nav .btn.small { display: none; }
  .menu { display: block; }
  .nav.open .links { display: flex; flex-direction: column; gap: 0; position: absolute; top: 68px; left: 0; right: 0;
                     background: rgba(10,13,18,0.97); border-bottom: 1px solid var(--line); padding: 8px 24px 16px; }
  .nav.open .links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .split, .stats, .feats, .eds, .specs { grid-template-columns: 1fr; }
  .stat { padding: 28px 0; border-left: 0; border-top: 1px solid var(--line2); }
  .stat:first-child { padding-top: 0; border-top: 0; }
  .flow { grid-template-columns: 1fr; gap: 28px; }
  .flow::before { left: 22px; right: auto; top: 22px; bottom: 22px; width: 1px; height: auto; background: linear-gradient(180deg, var(--cyan), rgba(32,179,201,0.15)); }
  .flow li { display: grid; grid-template-columns: 44px 1fr; column-gap: 20px; }
  .flow b { margin-top: 0; grid-column: 2; grid-row: 1; align-self: center; }
  .flow span { grid-column: 2; }
  .flow li::before { grid-row: 1 / span 2; }
  .compare { aspect-ratio: 4 / 3; }
  .shot { aspect-ratio: 1.6; }
}
@media (max-width: 560px) {
  .eds { grid-template-columns: 1fr; }
  .form { padding: 22px; }
  .hero-foot { gap: 10px 22px; font-size: 11px; }
  .brand span { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .bar .track i { transition: none; }
}

/* ---- motion and interaction layer ---- */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
            background: linear-gradient(90deg, var(--cyan), var(--cyan2)); z-index: 60; box-shadow: 0 0 10px rgba(32,179,201,0.6); }
.nav { transition: background .3s, border-color .3s; }
.nav.solid { background: rgba(10,13,18,0.92); border-bottom-color: var(--line); }
.links a { position: relative; }
.links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1.5px; background: var(--cyan);
                  transform: scaleX(0); transition: transform .3s; }
.links a.active { color: var(--text); }
.links a.active::after, .links a:hover::after { transform: scaleX(1); }
.hero-in { will-change: transform, opacity; }
.btn { position: relative; overflow: hidden; }
.btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
              transform: translateX(-120%); transition: transform .7s; pointer-events: none; }
.btn:hover::after { transform: translateX(120%); }

.compare .hint { position: absolute; left: var(--x); top: calc(50% + 44px); transform: translateX(-50%); font-size: 10px; color: var(--cyan);
                 padding: 5px 9px; border-radius: 5px; background: rgba(10,13,18,0.8); transition: opacity .4s; pointer-events: none; }
.compare.touched .hint { opacity: 0; }
.compare.peek .after, .compare.peek .handle, .compare.peek .hint { transition: clip-path .9s cubic-bezier(.6,0,.2,1), left .9s cubic-bezier(.6,0,.2,1), opacity .4s; }

.stat { position: relative; }
.stat::after { content: ""; position: absolute; left: 0; bottom: -18px; height: 1.5px; width: 0; background: var(--cyan); transition: width 1.2s .3s ease; }
.stat:not(:first-child)::after { left: 34px; }
.stat.in::after { width: 64px; }

/* porosity story: raw scan first, then the denoised result */
.bar { transition: opacity .5s; }
.bars.playing .bar { opacity: .38; }
.bars.playing .bar.lit { opacity: 1; }
.bar .track i { width: 0; transition: width 1.4s cubic-bezier(.2,.7,.2,1), box-shadow .5s; }
.bar.grown .track i { width: var(--w); }
.bar.lit .track i { box-shadow: 0 0 16px currentColor; }
.bar.raw .track i { color: rgba(217,160,74,0.55); } .bar.den .track i { color: rgba(32,179,201,0.6); } .bar.ref .track i { color: rgba(201,210,220,0.3); }
.legend { margin-top: 18px; font-size: 10px; color: var(--dim); display: flex; align-items: center; gap: 10px; }
.legend u { display: inline-block; width: 2px; height: 14px; background: rgba(230,237,243,0.55); }
.pores img { transform: scale(1); transition: opacity .7s, transform 9s ease-out; }
.pores.in img { transform: scale(1.08); }
.pores .readout { position: absolute; right: 16px; bottom: 16px; padding: 12px 16px; border-radius: 8px; background: rgba(10,13,18,0.85);
                  border: 1px solid rgba(217,160,74,0.45); text-align: right; transition: border-color .6s; }
.pores .readout .rl { display: block; font-size: 10px; color: var(--mute); }
.pores .readout .rv { display: block; margin-top: 4px; font: 300 30px "IBM Plex Sans", sans-serif; letter-spacing: 0; text-transform: none;
                      color: var(--amber); font-variant-numeric: tabular-nums; transition: color .6s; }
.pores:not(.raw) .readout { border-color: rgba(32,179,201,0.5); }
.pores:not(.raw) .readout .rv { color: var(--cyan); }

/* workspace: auto-advance with a progress line, slow push-in, slight tilt with the cursor */
.tabs button { position: relative; overflow: hidden; }
.tabs button i { position: absolute; left: 12%; right: 12%; bottom: 3px; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: 0 50%; }
.tabs.run button.on i { animation: tabprog var(--tabdur, 6s) linear forwards; }
.tabs.paused button.on i { animation-play-state: paused; }
@keyframes tabprog { to { transform: scaleX(1); } }
.shot { --mx: 0; --my: 0; transition: transform .3s ease-out;
        transform: perspective(1600px) rotateY(calc(var(--mx) * 2.5deg)) rotateX(calc(var(--my) * -2.5deg)); }
.shot img { transform: scale(1); transform-origin: 55% 45%; transition: opacity .6s, transform 7s ease-out; }
.shot img.on { transform: scale(1.06); }

/* features: a spotlight follows the cursor */
.feats > div { position: relative; padding: 26px; margin: -26px; border-radius: var(--r); }
.feats > div::before { content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .3s; pointer-events: none;
   background: radial-gradient(260px circle at var(--px, 50%) var(--py, 50%), rgba(32,179,201,0.12), transparent 70%); border: 1px solid rgba(32,179,201,0.18); }
.feats > div:hover::before { opacity: 1; }
.feats svg { transition: transform .4s; }
.feats > div:hover svg { transform: translateY(-3px) scale(1.08); }

/* workflow: the rail fills and each step lights up in turn */
.flow::after { content: ""; position: absolute; left: 22px; top: 22px; height: 1px; width: 0; background: var(--cyan2);
               box-shadow: 0 0 10px var(--cyan); transition: width 2.2s cubic-bezier(.5,0,.2,1); }
.flow.in::after { width: calc(90% - 22px); }
.flow li::before { z-index: 1; transition: background .4s, color .4s, box-shadow .4s; }
.flow li.lit::before { background: var(--cyan); color: #04161A; box-shadow: 0 0 0 6px rgba(32,179,201,0.15); }

/* editions lift on hover */
.ed { transition: transform .35s, border-color .35s, box-shadow .35s; }
.ed:hover { transform: translateY(-6px); border-color: rgba(32,179,201,0.55); box-shadow: 0 24px 60px rgba(0,0,0,0.45); }
.ed-sub { margin-top: 6px; color: var(--mute); font-size: 15px; }

.reveal { transition-delay: var(--d, 0s); }

@media (max-width: 900px) {
  .flow::after { width: 1px; height: 0; transition: height 2.2s cubic-bezier(.5,0,.2,1); }
  .flow.in::after { width: 1px; height: calc(100% - 44px); }
  .stat::after { display: none; }
  .feats { gap: 8px; }
  .feats > div { margin: 0 -14px; padding: 18px 14px; }
  .shot { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .tabs.run button.on i { animation: none; }
  .bar .track i, .flow::after, .shot img, .pores img, .shot { transition: none; }
}

/* back to top: appears after the hero, the ring shows how far down the page you are */
.totop { position: fixed; right: 24px; bottom: 24px; z-index: 55; width: 52px; height: 52px; border-radius: 50%; border: 0; padding: 0;
         background: rgba(14,19,26,0.88); backdrop-filter: blur(8px); cursor: pointer; display: flex; align-items: center; justify-content: center;
         opacity: 0; transform: translateY(14px); pointer-events: none; transition: opacity .3s, transform .3s, background .2s;
         box-shadow: 0 10px 30px rgba(0,0,0,0.45); }
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: rgba(32,179,201,0.16); }
.totop:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.totop .ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.totop .ring circle { fill: none; stroke: var(--line2); stroke-width: 2; }
.totop .ring .fill { stroke: var(--cyan); stroke-linecap: round; stroke-dasharray: 138.2; stroke-dashoffset: 138.2; }
.totop .arrow { width: 20px; height: 20px; fill: none; stroke: var(--text); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s, stroke .2s; }
.totop:hover .arrow { transform: translateY(-2px); stroke: var(--cyan); }
@media (max-width: 560px) { .totop { right: 16px; bottom: 16px; width: 46px; height: 46px; } }

/* without JavaScript everything shows its final state */
.no-js .reveal { opacity: 1; transform: none; }
.no-js .bar .track i { width: var(--w); }
.no-js .pores .pa { opacity: 0; } .no-js .pores .pb { opacity: 1; }

/* ---- v2: app screenshots are 16:9 with the title bar ---- */
.shot { aspect-ratio: 2880 / 1620; }

/* ---- v2: 3D viewer with live material switcher ---- */
.viewer { display: grid; grid-template-columns: 1.55fr 1fr; gap: 28px; margin-top: 44px; align-items: stretch; }
.vstage { position: relative; aspect-ratio: 4 / 3.3; border-radius: var(--r); border: 1px solid var(--line2); overflow: hidden;
          background: radial-gradient(ellipse at 50% 56%, #151D27 0%, var(--bg) 70%); }
.vstage img { position: absolute; left: 50%; top: 50%; height: 86%; transform: translate(-50%, -52%) scale(0.985); opacity: 0;
              transition: opacity .55s ease, transform .9s cubic-bezier(.2,.7,.2,1); pointer-events: none; }
.vstage img.on { opacity: 1; transform: translate(-50%, -52%) scale(1); }
.vread { position: absolute; left: 18px; bottom: 16px; display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border-radius: 8px;
         background: rgba(10,13,18,0.82); border: 1px solid var(--line2); font-size: 11px; color: var(--mute); }
.vread b { font-family: "IBM Plex Sans", sans-serif; font-weight: 300; font-size: 22px; letter-spacing: 0; text-transform: none; color: var(--text); }
.vread .vr-v { color: var(--cyan); }
.vside { display: flex; flex-direction: column; }
.vlab { font-size: 11px; color: var(--mute); margin: 6px 0 10px; }
.vlab ~ .vlab { margin-top: 26px; }
.vseg { display: inline-flex; gap: 4px; padding: 4px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); align-self: flex-start; flex-wrap: wrap; }
.vseg button, .vbtns button { font: inherit; font-size: 14px; border: 0; cursor: pointer; color: var(--body); background: none; border-radius: 7px; padding: 9px 14px; }
.vseg button.on { background: rgba(32,179,201,0.16); color: var(--cyan); }
.vbtns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.vbtns button { text-align: left; border: 1px solid var(--line2); background: rgba(255,255,255,0.015); padding: 12px 14px; transition: border-color .25s, background .25s, color .25s; }
.vbtns button:hover { border-color: rgba(32,179,201,0.45); color: var(--text); }
.vbtns button.on { border-color: var(--cyan); background: rgba(32,179,201,0.10); color: var(--cyan); }
.vbtns button.pore { border-color: rgba(32,179,201,0.35); }
.vbtns button[hidden] { display: none; }
.vbtns button { position: relative; overflow: hidden; }
.vbtns button i { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--cyan); transform: scaleX(0); transform-origin: 0 50%; }
.vbtns.run button.on i { animation: tabprog var(--vdur, 3.2s) linear forwards; }
.vnote { margin-top: 22px; color: var(--mute); font-size: 15px; }
.cards4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.cards4 figure { border-radius: var(--r); border: 1px solid var(--line2); overflow: hidden; background: radial-gradient(ellipse at 50% 50%, #131A23 0%, var(--bg) 75%); }
.cards4 figure.pore { border-color: rgba(32,179,201,0.45); }
.cards4 img { display: block; width: 100%; aspect-ratio: 1 / 0.85; object-fit: contain; padding: 14px 14px 0; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.cards4 figure:hover img { transform: scale(1.05) rotate(-1deg); }
.cards4 figcaption { padding: 12px 16px 16px; }
.cards4 b { display: block; font-weight: 500; font-size: 16px; }
.cards4 .pore b { color: var(--cyan); }
.cards4 span { display: block; margin-top: 4px; color: var(--mute); font-size: 14px; }

/* ---- v2: train and batch ---- */
.split.rev { grid-template-columns: 1fr 1.05fr; }
.pane { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line2); box-shadow: 0 30px 80px rgba(0,0,0,0.5); background: var(--bg); }
.pane img { display: block; width: 100%; }
.pane figcaption { padding: 12px 16px; font-size: 11px; color: var(--dim); border-top: 1px solid var(--line); }
.mini { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 40px; }
.mini .num { font-size: clamp(44px, 5vw, 68px); }
.outs { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.outs li { font-size: 11px; color: var(--body); padding: 8px 12px; border-radius: 7px; border: 1px solid var(--line2); background: rgba(255,255,255,0.015); }

@media (max-width: 900px) {
  .viewer { grid-template-columns: 1fr; }
  .cards4 { grid-template-columns: repeat(2, 1fr); }
  .split.rev { grid-template-columns: 1fr; }
  .split.rev .pane { order: 2; }
}
@media (max-width: 560px) {
  .vbtns { grid-template-columns: 1fr 1fr; }
  .vread b { font-size: 18px; }
  .cards4 { gap: 10px; }
  .cards4 b { font-size: 14px; } .cards4 span { font-size: 12px; }
  .mini { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .vstage img, .cards4 img { transition: none; }
  .vbtns.run button.on i { animation: none; }
}
@media (max-width: 560px) {
  .hero-shade { background: linear-gradient(to right, rgba(10,13,18,0.88) 0%, rgba(10,13,18,0.62) 70%, rgba(10,13,18,0.35) 100%),
                            linear-gradient(to top, rgba(10,13,18,0.95) 0%, rgba(10,13,18,0) 45%); }
}

/* the rock sits in the right third of the hero loop; keep it in frame on narrow screens */
@media (max-width: 900px) { .hero-bg { object-position: 68% 50%; } }
/* 3D view list: rock first, then X-ray, then the cosmetic finishes */
.vside .vlab { margin: 18px 0 8px; }
.vside .vlab:first-child { margin-top: 4px; }
.vbtns.small button { padding: 8px 12px; font-size: 13px; color: var(--mute); }
.vbtns.small button.on { color: var(--cyan); }
.tabcap { margin-top: 14px; font-size: 15px; color: var(--mute); min-height: 1.5em; }

/* deploy additions */
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .status { min-height: 1.2em; font-size: 14px; color: var(--body); }
.form .status.ok { color: var(--cyan2); }
.form .status.err { color: var(--amber); }
.form .btn[disabled] { opacity: .6; cursor: default; }
.foot .fine a { color: var(--mute); }
.legal { padding: 140px 0 100px; }
.legal .wrap { max-width: 760px; }
.legal h2 { font-size: clamp(26px, 3vw, 34px); margin-top: 44px; }
.legal p, .legal li { margin-top: 14px; color: var(--body); font-size: 16px; }
.legal ul { padding-left: 20px; }
.legal .back { display: inline-block; margin-top: 48px; }