/* ============================================================
   BRUME — Synthesised Sea-Mist · Nº01
   Futuristic chemistry · cold mineral · one warm thread
   Syncopate (display) · Space Mono (data) · Inter (body)
   ============================================================ */

:root {
  --fog:        #E7E6E1;
  --fog-deep:   #DBDDD8;
  --ink:        #12161A;
  --ink-2:      #1C2228;
  --ink-soft:   #495056;
  --glass:      #9FB2AC;
  --glass-deep: #5E726C;
  --amber:      #B66A35;
  --amber-soft: #CE9460;
  --signal:     #6F8F86;          /* lab teal-green for HUD */
  --line:       color-mix(in oklch, var(--ink) 14%, transparent);
  --line-soft:  color-mix(in oklch, var(--ink) 8%, transparent);
  --warmth: 0;

  --font-display: "Syncopate", "Arial Narrow", sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --font-body: "Inter", system-ui, sans-serif;

  --text-xs:   0.72rem;
  --text-sm:   clamp(0.8rem, 0.78rem + 0.2vw, 0.9rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
  --text-lg:   clamp(1.15rem, 1rem + 0.7vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1rem + 2.4vw, 2.9rem);
  --text-display: clamp(2.6rem, 0.6rem + 9.5vw, 9.5rem);

  --s-1: 0.5rem; --s-2: 0.75rem; --s-3: 1rem; --s-4: 1.5rem;
  --s-5: 2rem; --s-6: 3rem; --s-7: 4.5rem; --s-8: 7rem;
  --section: clamp(5rem, 3rem + 9vw, 11rem);
  --measure: 60ch;
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 4rem);

  --dur-1: 200ms; --dur-2: 440ms; --dur-3: 720ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0; background: var(--fog); color: var(--ink);
  font-family: var(--font-body); font-size: var(--text-base);
  font-weight: 400; line-height: 1.6; letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.05; }
p { margin: 0; max-width: var(--measure); }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }
dl, dd, dt { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }

.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* ---- grain ---- */
.grain {
  position: fixed; inset: 0; z-index: 80; pointer-events: none;
  opacity: 0.5; mix-blend-mode: multiply;
  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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}

/* ---- background grid (vakjes) ---- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  --cell: clamp(46px, 5.5vw, 74px);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: var(--cell) var(--cell);
  -webkit-mask-image: radial-gradient(125% 105% at 50% 28%, #000 50%, transparent 100%);
          mask-image: radial-gradient(125% 105% at 50% 28%, #000 50%, transparent 100%);
}
.bg-grid .cell {
  position: absolute; width: var(--cell); height: var(--cell);
  left: calc(var(--cell) * var(--c)); top: calc(var(--cell) * var(--r));
  background: color-mix(in oklch, var(--glass) 22%, transparent);
}
.bg-grid .cell.amber { background: color-mix(in oklch, var(--amber) 18%, transparent); }

/* ---- depth layer: drifting molecules ---- */
.mol-field { position: fixed; inset: 0; z-index: 0; pointer-events: none; color: var(--glass-deep); }
.mol-glyph { position: absolute; opacity: 0.12; width: clamp(56px, 7vw, 110px); overflow: visible; }
.mol-glyph use { transform-box: fill-box; transform-origin: center; animation: spin var(--spin, 80s) linear infinite; }
.mol-glyph.g1 { top: 11%; left: 4%; --spin: 90s; }
.mol-glyph.g2 { top: 44%; right: 5%; --spin: 120s; opacity: 0.1; }
.mol-glyph.g3 { top: 78%; left: 11%; --spin: 70s; color: var(--amber); opacity: 0.11; }
.mol-glyph.g4 { top: 22%; right: 22%; --spin: 100s; width: clamp(40px, 5vw, 82px); opacity: 0.09; }
.mol-glyph.g5 { top: 63%; left: 30%; --spin: 85s; width: clamp(44px, 6vw, 88px); opacity: 0.09; }
.mol-glyph.g6 { top: 87%; right: 28%; --spin: 110s; width: clamp(36px, 4.5vw, 70px); color: var(--amber); opacity: 0.09; }
.mol-glyph.g7 { top: 33%; left: 52%; --spin: 130s; width: clamp(32px, 4vw, 62px); opacity: 0.07; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- HUD pills ---- */
.hud {
  position: absolute; z-index: 5; font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); display: inline-flex; align-items: center; gap: 0.55em;
  padding: 0.5em 0.85em; border: 1px solid var(--line);
  background: color-mix(in oklch, var(--fog) 55%, transparent); backdrop-filter: blur(4px);
}
.hud b { color: var(--ink); font-weight: 400; }
.hud .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 var(--signal); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--signal) 60%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hud-tl { top: clamp(5rem, 12vh, 8rem); left: var(--gutter); }
.hud-tr { top: clamp(5rem, 12vh, 8rem); right: var(--gutter); }
.hud-bl { bottom: clamp(2rem, 8vh, 5rem); left: var(--gutter); }
@media (max-width: 760px) { .hud-tr { display: none; } }

/* ---- shared ---- */
.eyebrow { font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: var(--s-3); }
.section-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: 0.01em; text-transform: uppercase; }
.section-title.light { color: var(--fog); }
.wordmark-sm { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.18em; font-size: var(--text-xs); text-transform: uppercase; }

/* ---- header ---- */
.site-head {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  padding: var(--s-4) var(--gutter); mix-blend-mode: multiply;
}
.head-lot { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; color: var(--ink-soft); }
@media (max-width: 760px) { .head-lot { display: none; } }
.nav-cta {
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.6em 1.1em; border: 1px solid var(--line); border-radius: 2px;
  transition: border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-cta:hover { border-color: var(--ink); background: var(--ink); color: var(--fog); }
:where(a, button, input):focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* ════ HERO ════ */
.hero { position: relative; min-height: 100svh; display: grid; place-items: center; text-align: center; padding: var(--s-8) var(--gutter); overflow: hidden; }
.hero-inner { position: relative; z-index: 4; display: grid; justify-items: center; gap: var(--s-4); pointer-events: none; }
.hero-inner > * { pointer-events: auto; }
.wordmark { font-family: var(--font-display); font-weight: 700; font-size: var(--text-display); line-height: 0.92; letter-spacing: 0.04em; color: color-mix(in oklch, var(--ink) 90%, transparent); mix-blend-mode: multiply; }
.hero-line { font-size: var(--text-lg); color: var(--ink-soft); max-width: 34ch; font-weight: 300; }
.scroll-hint { display: inline-flex; flex-direction: column; align-items: center; gap: var(--s-2); margin-top: var(--s-4); font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.scroll-hint svg { animation: drift 2.6s var(--ease) infinite; }
@keyframes drift { 0%,100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(5px); opacity: 1; } }

/* fixed flacon canvas */
#bottle-canvas { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 1; opacity: 1; transition: opacity 200ms linear; touch-action: pan-y; }
body.no-webgl #bottle-canvas { display: none; }
body.no-webgl .hero::before { content: ""; position: absolute; z-index: 1; width: min(46vh, 420px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 50% 40%, color-mix(in oklch, var(--glass) 80%, white) 0%, transparent 68%); filter: blur(14px); opacity: 0.8; }

main { position: relative; z-index: 2; }

/* ════ FLACON / containment ════ */
.flacon { position: relative; min-height: 100vh; padding: var(--section) var(--gutter); display: grid; align-items: center; }
.flacon-grid { width: 100%; max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: var(--s-6); align-items: center; }
.flacon-col { display: grid; gap: var(--s-3); align-content: center; }
.spec { display: grid; gap: 0; margin-top: var(--s-2); border-top: 1px solid var(--line); }
.spec > div { display: flex; justify-content: space-between; gap: var(--s-3); padding: 0.7em 0; border-bottom: 1px solid var(--line-soft); }
.spec dt { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.spec dd { font-family: var(--font-mono); font-size: var(--text-sm); text-align: right; }

.flacon-stage { display: grid; place-items: center; min-height: 64vh; }
.containment { position: relative; width: min(82%, 340px); aspect-ratio: 3 / 4; }
.bracket { position: absolute; width: 22px; height: 22px; border: 1.5px solid var(--glass-deep); }
.bracket.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.bracket.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.bracket.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.bracket.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.containment-tag { position: absolute; bottom: -2.2em; left: 50%; transform: translateX(-50%); font-size: var(--text-xs); letter-spacing: 0.16em; color: var(--glass-deep); white-space: nowrap; }

.product-rotate { margin-top: var(--s-3); justify-self: start; display: inline-flex; align-items: center; gap: 0.6em; }

/* ════ COMPOSITION ════ */
.composition { padding: var(--section) var(--gutter); }
.comp-head { max-width: 70ch; margin: 0 auto var(--s-7); text-align: center; }
.comp-body { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: var(--s-7); align-items: center; }
.mol-diagram { margin: 0; display: grid; justify-items: center; gap: var(--s-3); color: var(--glass-deep); }
.mol-big { width: clamp(180px, 26vw, 300px); animation: spin 60s linear infinite; }
.mol-diagram figcaption { font-size: var(--text-xs); letter-spacing: 0.08em; color: var(--ink-soft); text-align: center; }

.compounds { display: grid; grid-template-columns: 1fr; gap: var(--s-3); }
.compound {
  position: relative; display: grid; align-items: center; gap: 0.1em var(--s-3);
  grid-template-columns: auto auto 1fr auto; grid-template-areas: "idx sym name pct" "idx sym meta role";
  padding: var(--s-3) var(--s-4); border: 1px solid var(--line); background: color-mix(in oklch, white 10%, transparent);
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
}
.compound:hover { transform: translateX(6px); border-color: var(--glass-deep); background: color-mix(in oklch, white 28%, transparent); }
.cmp-idx { grid-area: idx; font-size: var(--text-xs); color: var(--ink-soft); align-self: start; }
.cmp-sym { grid-area: sym; font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); letter-spacing: 0.02em; padding-right: var(--s-2); }
.cmp-name { grid-area: name; font-size: var(--text-base); }
.cmp-meta { grid-area: meta; font-size: var(--text-xs); color: var(--ink-soft); }
.cmp-role { grid-area: role; font-size: var(--text-xs); letter-spacing: 0.1em; color: var(--glass-deep); text-align: right; }
.cmp-pct { grid-area: pct; font-size: var(--text-base); text-align: right; }
.compound[data-warmth="1"] .cmp-role { color: var(--amber); }

/* ════ THE DRYDOWN (was Volatility) — scroll warms frost → skin ════ */
.volatility {
  position: relative; --warmth: 0;
  --vol-cold: #0c1417; --vol-warm: #241510;
  padding: var(--section) var(--gutter); background-color: var(--vol-cold); color: var(--fog);
}
.vol-stage { position: relative; }
.vol-inner { max-width: 1100px; margin: 0 auto; display: grid; gap: var(--s-5); position: relative; z-index: 2; }

.vol-sub { max-width: 54ch; color: color-mix(in oklch, var(--fog) 72%, transparent); font-weight: 300; }

/* the on-skin clock (only in the live scene) */
.vol-clock { display: none; align-items: center; gap: var(--s-3); width: 100%; font-size: var(--text-xs); letter-spacing: 0.14em; color: color-mix(in oklch, var(--fog) 60%, transparent); }
.vol-clock-lbl { text-transform: uppercase; letter-spacing: 0.16em; color: color-mix(in oklch, var(--fog) 45%, transparent); }
.vol-track { flex: 1; height: 1px; background: color-mix(in oklch, var(--fog) 16%, transparent); position: relative; }
.vol-track i { position: absolute; inset: 0 auto 0 0; display: block; width: 0%; background: color-mix(in oklch, var(--glass-deep), var(--amber) calc(var(--warmth) * 100%)); }
.vol-t-end { color: color-mix(in oklch, var(--glass), var(--amber-soft) calc(var(--warmth) * 100%)); }

/* phases — a readable stack by default, cross-faded scene when live */
.vol-phases { display: grid; grid-template-columns: 1fr; gap: var(--s-4); margin-top: var(--s-3); }
.vol-phase { padding: var(--s-5); border: 1px solid color-mix(in oklch, white 12%, transparent); display: grid; gap: var(--s-2); background: color-mix(in oklch, white 3%, transparent); }
.vol-phase .ph-tag { font-size: var(--text-xs); letter-spacing: 0.12em; color: var(--green-soft); }
.vol-phase[data-warmth="0.5"] .ph-tag { color: color-mix(in oklch, var(--green-soft), var(--amber-soft) 50%); }
.vol-phase[data-warmth="1"] .ph-tag { color: var(--amber-soft); }
.vol-phase h3 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-lg); text-transform: uppercase; letter-spacing: 0.02em; }
.vol-phase p { color: color-mix(in oklch, var(--fog) 74%, transparent); font-weight: 300; }
.vol-heat, .vapour { display: none; }

/* ── live scene (motion ok): tall sticky section that warms as you scroll ── */
body.vol-live .volatility {
  height: 200vh; padding: 0;
  background-color: color-mix(in oklch, var(--vol-cold), var(--vol-warm) calc(var(--warmth) * 100%));
}
body.vol-live .vol-stage {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  display: grid; align-content: center; padding: var(--section) var(--gutter);
}
body.vol-live .vol-inner { gap: var(--s-4); }
body.vol-live .vol-clock { display: flex; max-width: 1100px; margin-inline: auto; }
body.vol-live .vol-phases { position: relative; min-height: 40vh; display: block; margin-top: var(--s-5); }
body.vol-live .vol-phase {
  position: absolute; inset: 0 auto auto 0; width: 100%; max-width: 62ch;
  border: 0; background: none; padding: 0; opacity: 0; transition: opacity .25s var(--ease);
}
/* only one phase is ever visible; the incoming fades in after the outgoing fades out (no overlap) */
body.vol-live .vol-phase.active { opacity: 1; transition: opacity .42s var(--ease) .16s; }
body.vol-live .vol-phase h3 { font-size: var(--text-xl); margin-top: 0.2em; }
body.vol-live .vol-heat {
  display: block; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(58% 50% at 50% 66%, color-mix(in oklch, var(--amber) 62%, transparent), transparent 70%);
  opacity: calc(var(--warmth) * 0.5);
}
body.vol-live .vapour { display: block; position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.vap { position: absolute; bottom: -5%; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; white-space: nowrap; opacity: 0; will-change: transform, opacity; }
@keyframes evaporate {
  0%   { transform: translateY(0) scale(1);      opacity: 0; }
  14%  { opacity: var(--vap-a, 0.5); }
  100% { transform: translateY(-82vh) scale(1.05); opacity: 0; }
}

/* ════ REQUEST ════ */
.request { padding: var(--section) var(--gutter) calc(var(--section) * 0.7); text-align: center; }
.request-inner { max-width: 56ch; margin: 0 auto; display: grid; gap: var(--s-3); justify-items: center; }
.request-line { color: var(--ink-soft); }
.capture { width: 100%; max-width: 500px; margin-top: var(--s-4); text-align: left; }
.field label { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--ink-soft); margin-bottom: var(--s-2); }
.field-row { display: flex; gap: var(--s-2); }
.field input {
  flex: 1; min-width: 0; height: 54px; padding: 0 var(--s-3); font: inherit; font-size: var(--text-base); color: var(--ink);
  background: color-mix(in oklch, white 40%, transparent); border: 1px solid var(--line); border-radius: 2px;
  transition: border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.field input::placeholder { color: color-mix(in oklch, var(--ink-soft) 65%, transparent); font-family: var(--font-mono); }
.field input:hover { border-color: var(--glass-deep); }
.field input:focus { border-color: var(--ink); background: color-mix(in oklch, white 60%, transparent); }
.field.invalid input { border-color: var(--amber); }
.btn {
  height: 54px; padding: 0 var(--s-5); flex-shrink: 0; cursor: pointer;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fog); background: var(--ink); border: 1px solid var(--ink); border-radius: 2px;
  transition: transform var(--dur-1) var(--ease), background var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease);
}
.btn:hover { background: color-mix(in oklch, var(--ink) 80%, var(--amber)); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.5; cursor: default; }
.field-status { min-height: 1.4em; margin-top: var(--s-2); font-size: var(--text-xs); color: var(--ink-soft); }
.field-status.is-ok { color: var(--glass-deep); }
.field-status.is-err { color: var(--amber); }

/* ════ footer ════ */
.site-foot { padding: var(--s-7) var(--gutter); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: baseline; justify-content: space-between; }
.foot-fine { font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--ink-soft); }

/* ════ reveal system (directional fly-in) ════ */
body.reveal-ready [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease); will-change: transform, opacity; }
body.reveal-ready [data-reveal][data-from="left"]  { transform: translateX(-52px); }
body.reveal-ready [data-reveal][data-from="right"] { transform: translateX(52px); }
body.reveal-ready [data-reveal][data-from="down"]  { transform: translateY(-26px); }
body.reveal-ready [data-reveal][data-from="scale"] { transform: scale(0.9); }
body.reveal-ready [data-reveal].in { opacity: 1; transform: none; }

/* ════ responsive ════ */
@media (min-width: 760px) {
  .compounds { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .flacon-grid { grid-template-columns: 1fr 1.1fr 1fr; gap: var(--s-5); }
  .flacon-stage { min-height: 80vh; }
  .comp-body { grid-template-columns: 0.9fr 1.1fr; gap: var(--s-8); }
  .vol-phases { grid-template-columns: repeat(3, 1fr); }
  .compounds { grid-template-columns: 1fr; }
}
@media (min-width: 1240px) { .compounds { grid-template-columns: 1fr 1fr; } }

/* ════ synthesis log — chemistry written on scroll ════ */
.formula-stream {
  position: fixed; left: var(--gutter); bottom: clamp(1.5rem, 6vh, 4rem); z-index: 1;
  width: min(40ch, 34vw); max-height: 42vh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  font-size: 11px; line-height: 1.5; letter-spacing: 0.02em;
  color: color-mix(in oklch, var(--ink) 30%, transparent); pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%);
          mask-image: linear-gradient(to bottom, transparent, #000 40%);
}
.formula-stream span { display: block; white-space: nowrap; overflow: hidden; }
.formula-stream .cur { color: var(--signal); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (max-width: 820px) { .formula-stream { display: none; } }

/* ════ diffusion — rising scent particles ════ */
.diffusion { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.diffusion span {
  position: absolute; left: var(--x); bottom: -10px; width: 5px; height: 5px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--glass) 70%, white) 0%, transparent 70%);
  animation: rise var(--d, 10s) linear var(--delay, 0s) infinite;
}
@keyframes rise { 0% { transform: translateY(0) scale(0.6); opacity: 0; } 14% { opacity: 0.7; } 100% { transform: translateY(-74vh) scale(1.3); opacity: 0; } }

.mol-big { transition: opacity 320ms var(--ease); }

/* ════ pencil notes — chemistry phrases sketched on the right ════ */
.pencil-notes {
  position: fixed; right: var(--gutter); top: 46%; z-index: 1; width: min(26ch, 24vw);
  font-family: "Caveat", cursive; font-size: clamp(18px, 1.7vw, 26px); line-height: 1.25;
  color: color-mix(in oklch, var(--ink) 46%, transparent); text-align: right;
  transform: rotate(-3deg); pointer-events: none;
}
.pencil-notes .cur { color: var(--glass-deep); animation: blink 1s steps(1) infinite; }
@media (max-width: 1100px) { .pencil-notes { display: none; } }

/* ════ compound hover — the molecule icon of that compound rises ════ */
.cmp-icon {
  position: absolute; top: -16px; right: 14px; width: 36px; height: 36px; color: var(--glass-deep);
  opacity: 0; transform: translateY(12px) scale(0.8); pointer-events: none;
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.cmp-icon svg { width: 100%; height: 100%; overflow: visible; }
.compound:hover .cmp-icon, .compound:focus-within .cmp-icon { opacity: 0.9; transform: translateY(0) scale(1); }
.compound[data-warmth="1"] .cmp-icon { color: var(--amber); }

/* ════ global molecular constellation — bonds that drift + connect near the cursor ════ */
.constellation { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: none; }
.request { position: relative; }
.request-inner { position: relative; z-index: 2; }
.request .diffusion { z-index: 1; }

/* the Six-Molecules diagram is replaced by the flacon cameo */
.mol-big { display: none; }
.mol-diagram { min-height: 46vh; align-content: center; }

/* ════ lift-grid — the background blocks rise toward the cursor ════ */
.lift-grid { position: fixed; inset: 0; z-index: 0; pointer-events: none; display: grid; perspective: 620px; }
.lift-grid i { display: block; transform-style: preserve-3d; transition: transform 380ms var(--ease), background 380ms var(--ease); }

/* ════ entrance — synthesis loader ════ */
body.loading { overflow: hidden; }
.intro { position: fixed; inset: 0; z-index: 200; background: var(--fog); display: grid; place-items: center; transition: transform 900ms var(--ease), opacity 700ms ease; }
.intro.done { transform: translateY(-101%); opacity: 0; pointer-events: none; }
.intro-inner { width: min(360px, 78vw); display: grid; justify-items: center; gap: var(--s-4); text-align: center; }
.intro-mark { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.34em; font-size: var(--text-lg); }
.intro-mol { width: 60px; color: var(--glass-deep); overflow: visible; }
.intro-mol use { transform-box: fill-box; transform-origin: center; animation: spin 5s linear infinite; }
.intro-bar { width: 100%; height: 2px; background: var(--line); overflow: hidden; }
.intro-bar span { display: block; height: 100%; width: 100%; transform-origin: left; transform: scaleX(0); background: var(--ink); }
.intro-meta { width: 100%; display: flex; justify-content: space-between; font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }

/* ════ atomise mist ════ */
#spray { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 70; pointer-events: none; }
.hero { cursor: pointer; }

/* ════ signature cursor ════ */
.cursor { position: fixed; top: 0; left: 0; z-index: 120; width: 26px; height: 26px; margin: -13px 0 0 -13px; border: 1px solid var(--glass-deep); border-radius: 50%; pointer-events: none; opacity: 0; transition: width .26s var(--ease), height .26s var(--ease), margin .26s var(--ease), background .26s var(--ease), border-color .26s var(--ease), opacity .3s; }
.cursor::after { content: ""; position: absolute; left: 50%; top: 50%; width: 3px; height: 3px; margin: -1.5px; border-radius: 50%; background: var(--ink); }
.cursor.hot { width: 46px; height: 46px; margin: -23px 0 0 -23px; background: color-mix(in oklch, var(--glass) 16%, transparent); border-color: var(--ink); }
body.has-cursor { cursor: none; }
body.has-cursor a, body.has-cursor button, body.has-cursor input, body.has-cursor .hero { cursor: none; }
body.has-cursor .cursor { opacity: 1; }
@media (hover: none) { .cursor { display: none; } }

/* ════ marine green — the COLD accent, woven through the lab labels ════ */
:root { --green: #34685B; --green-soft: #6FA294; --signal: #4C8473; }
.eyebrow { color: var(--green); }                            /* mono labels become the cold accent */
.hero .eyebrow { color: var(--ink-soft); }                   /* keep readable over the flacon */
.volatility .eyebrow { color: var(--green-soft); }           /* on the dark section */
#comp-title { color: var(--green); }                         /* "Six molecules, one coastline" */
#vol-title { color: var(--green-soft); }                     /* "From frost to skin" (on dark) */
.spec dt { color: var(--green); }
.containment-tag { color: var(--green); }
.hud-tr { color: var(--green); }
.field label { color: var(--green); }
.phase[data-warmth="0"] .ph-tag { color: var(--green-soft); } /* cold phase = green */
.compound[data-warmth="0"] .cmp-role { color: var(--green); } /* marine / top notes = green */
.cmp-icon { color: var(--green-soft); }

/* ════ the collection — six flacons drifting in space; scroll moves through them ════ */
.collection { position: relative; height: 620vh; --v: #7FB2A6; background: color-mix(in oklch, #0a0e10, var(--v) 16%); }
.coll-stage { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; }
.coll-glow { position: absolute; inset: 0; z-index: 0; background: radial-gradient(58% 55% at 50% 42%, color-mix(in oklch, var(--v) 55%, transparent), transparent 72%); opacity: 0.55; }
.coll-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.coll-overlay { position: relative; z-index: 2; align-self: end; justify-items: center; text-align: center; display: grid; gap: var(--s-2); padding: 0 var(--gutter) clamp(3.5rem, 11vh, 8rem); pointer-events: none; }
.coll-overlay .eyebrow { color: color-mix(in oklch, var(--v) 65%, white); }

/* header adapts to dark sections (volatility, collection) */
.site-head, .wordmark-sm, .head-lot, .nav-cta { transition: color .45s var(--ease), border-color .45s var(--ease), background .45s var(--ease); }
body.head-dark .site-head { mix-blend-mode: normal; }
body.head-dark .wordmark-sm, body.head-dark .head-lot { color: var(--fog); }
body.head-dark .nav-cta { color: var(--fog); border-color: color-mix(in oklch, var(--fog) 32%, transparent); }
body.head-dark .nav-cta:hover { background: var(--fog); color: var(--ink); border-color: var(--fog); }
.coll-active-name { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.6rem, 1rem + 7vw, 7rem); letter-spacing: 0.04em; color: #fff; text-shadow: 0 0 60px color-mix(in oklch, var(--v) 80%, transparent); }
.coll-active-note { color: rgba(255, 255, 255, 0.68); font-size: var(--text-sm); letter-spacing: 0.1em; text-transform: uppercase; }
.coll-hint { margin-top: var(--s-3); color: rgba(255, 255, 255, 0.4); font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; }
.coll-dots { position: absolute; z-index: 2; top: 50%; right: var(--gutter); transform: translateY(-50%); display: grid; gap: 14px; list-style: none; margin: 0; padding: 0; }
.coll-dots li { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, 0.22); transition: background .35s var(--ease), transform .35s var(--ease); }
.coll-dots li.on { background: var(--v); transform: scale(1.6); }
@media (max-width: 700px) { .coll-dots { right: 1rem; } }

/* ════ the blotter — dip the strip, watch the scent develop ════ */
.blotter { padding: var(--section) var(--gutter); }
.blotter-inner { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: var(--s-7); align-items: center; }
.blotter-copy { display: grid; gap: var(--s-3); align-content: center; }
.blotter-line { color: var(--ink-soft); max-width: 42ch; }
.blotter-dip { justify-self: start; margin-top: var(--s-2); }
.blotter-stage { display: flex; justify-content: center; align-items: stretch; gap: var(--s-5); min-height: 52vh; }
.strip {
  position: relative; width: clamp(62px, 7vw, 88px); height: min(56vh, 440px);
  background: linear-gradient(180deg, #efeee9, #e2e1da);
  border: 1px solid var(--line); border-radius: 3px; cursor: pointer; overflow: hidden;
  box-shadow: 0 26px 54px -30px rgba(18, 22, 26, 0.55); transition: transform var(--dur-2) var(--ease);
}
.strip:hover { transform: translateY(-4px); }
.strip:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.strip-grip { position: absolute; top: 0; left: 0; right: 0; height: 15%; background: repeating-linear-gradient(90deg, transparent 0 5px, color-mix(in oklch, var(--ink) 7%, transparent) 5px 6px); border-bottom: 1px solid var(--line); }
.strip-bloom {
  position: absolute; left: -12%; right: -12%; bottom: 0; height: 0;
  background: linear-gradient(to top,
    color-mix(in oklch, var(--green) 62%, transparent) 0%,
    color-mix(in oklch, var(--glass) 52%, transparent) 44%,
    color-mix(in oklch, var(--amber) 54%, transparent) 100%);
  filter: blur(7px); mix-blend-mode: multiply; opacity: 0;
}
.strip.developing .strip-bloom { animation: wick 4s var(--ease) forwards; }
@keyframes wick { 0% { height: 0; opacity: .25; } 22% { opacity: .9; } 100% { height: 120%; opacity: .72; } }
.strip-notes { display: grid; align-content: space-between; gap: var(--s-4); padding: 5% 0; }
.strip-notes li { display: grid; gap: 2px; opacity: 0; transform: translateX(-12px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.strip-notes li b { font-weight: 400; font-size: var(--text-base); }
.strip-notes li span { font-size: var(--text-xs); letter-spacing: 0.1em; }
.strip-notes li:nth-child(1) b { color: var(--green); }
.strip-notes li:nth-child(3) b { color: var(--amber); }
.strip.developing ~ .strip-notes li { opacity: 1; transform: none; transition-delay: calc(var(--at) * 1.1s + 0.7s); }
@media (min-width: 880px) { .blotter-inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--s-8); } }

/* ════ sonic layer toggle ════ */
.sound-toggle {
  position: fixed; right: var(--gutter); bottom: clamp(1.2rem, 4vh, 2.2rem); z-index: 90;
  display: inline-flex; align-items: center; gap: 0.6em; cursor: pointer;
  padding: 0.55em 0.9em; border: 1px solid var(--line); border-radius: 100px;
  background: color-mix(in oklch, var(--fog) 72%, transparent); backdrop-filter: blur(6px);
  color: var(--ink-soft); transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.sound-toggle:hover { border-color: var(--glass-deep); color: var(--ink); }
.sound-lbl { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; }
.sound-ico { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; }
.sound-ico i { width: 2px; height: 5px; background: currentColor; border-radius: 1px; }
.sound-toggle.on { color: var(--green); border-color: color-mix(in oklch, var(--green) 42%, transparent); }
.sound-toggle.on .sound-ico i { animation: eq 1s var(--ease) infinite; }
.sound-toggle.on .sound-ico i:nth-child(2) { animation-delay: .15s; }
.sound-toggle.on .sound-ico i:nth-child(3) { animation-delay: .3s; }
.sound-toggle.on .sound-ico i:nth-child(4) { animation-delay: .45s; }
@keyframes eq { 0%, 100% { height: 4px; } 50% { height: 13px; } }
@media (max-width: 700px) { .sound-lbl { display: none; } .sound-toggle { padding: 0.6em; } }

/* ════ numbered ampoule — the specimen card ════ */
.specimen { position: fixed; inset: 0; z-index: 210; display: grid; place-items: center; padding: var(--gutter);
  background: color-mix(in oklch, var(--ink) 58%, transparent); backdrop-filter: blur(8px);
  opacity: 0; transition: opacity .5s var(--ease); }
.specimen[hidden] { display: none; }
.specimen.show { opacity: 1; }
.specimen-card {
  position: relative; width: min(420px, 92vw); padding: clamp(2rem, 5vw, 3.2rem) var(--s-6);
  background: var(--fog); border: 1px solid var(--line); border-radius: 3px;
  display: grid; justify-items: center; gap: var(--s-2); text-align: center;
  box-shadow: 0 44px 96px -42px rgba(8, 12, 14, 0.7);
  transform: translateY(16px) scale(0.96); transition: transform .55s var(--ease);
}
.specimen.show .specimen-card { transform: none; }
.specimen-card .wordmark-sm { color: var(--ink); }
.specimen-mol { width: 64px; color: var(--glass-deep); overflow: visible; margin: var(--s-2) 0; }
.specimen-mol use { transform-box: fill-box; transform-origin: center; animation: spin 24s linear infinite; }
.specimen-ey { font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--green); }
.specimen-no { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.4rem, 1rem + 6vw, 3.6rem); letter-spacing: 0.06em; color: var(--ink); }
.specimen-of { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.specimen-line { margin-top: var(--s-3); font-size: var(--text-xs); color: var(--ink-soft); max-width: 30ch; }
.specimen-x { position: absolute; top: var(--s-3); right: var(--s-3); width: 32px; height: 32px; border: 1px solid var(--line); background: none; cursor: pointer; color: var(--ink-soft); border-radius: 50%; font-size: 13px; line-height: 1; }
.specimen-x:hover { color: var(--ink); border-color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  body.reveal-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
  .scroll-hint svg, .mol-glyph use, .mol-big, .hud .dot, .diffusion span, .formula-stream .cur, .intro-mol use { animation: none; }
  .lift-grid, .cursor { display: none; }
  .strip.developing .strip-bloom { animation: none; height: 112%; opacity: .62; }
  .strip-notes li { opacity: 1; transform: none; transition: none; }
  .sound-toggle.on .sound-ico i { animation: none; }
  .specimen-mol use { animation: none; }
  .vap { display: none; }
}