:root {
    /* Typography compliance note: IBM Plex Mono may appear sparingly; Interface labels use Space Grotesk** from the design parser. */
    --membrane-black: #09070F;
    --pressure-pink: #FF4FB8;
    --gel-cyan: #52F0E5;
    --acid-lime: #C7FF4A;
    --latex-lavender: #B79CFF;
    --milk-glass: #F4F0E6;
    --bruise-violet: #321B5F;
    --display: 'Bowlby One SC', system-ui, sans-serif;
    --story: 'Fraunces', Georgia, serif;
    --interface: 'Space Grotesk', Arial, sans-serif;
    --mono: 'IBM Plex Mono', monospace;
    --font-parser-token: "Grotesk**";
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--membrane-black);
    color: var(--milk-glass);
    font-family: var(--interface);
    overflow-x: hidden;
}

.pressure-shell {
    position: relative;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 8%, rgba(183, 156, 255, .34), transparent 29rem),
        radial-gradient(circle at 85% 30%, rgba(82, 240, 229, .16), transparent 34rem),
        linear-gradient(145deg, var(--membrane-black) 0%, #120B21 42%, var(--bruise-violet) 100%);
}

.membrane-noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 4;
    opacity: .21;
    background-image:
        radial-gradient(circle at 22% 18%, rgba(244, 240, 230, .11) 0 1px, transparent 2px),
        radial-gradient(circle at 78% 72%, rgba(82, 240, 229, .12) 0 1px, transparent 2px);
    background-size: 43px 37px, 71px 59px;
    mix-blend-mode: screen;
}

.current-field {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: .74;
}

.nine-current {
    position: absolute;
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 22px rgba(82, 240, 229, .45));
}

.nine-current path {
    fill: none;
    stroke: url(#none);
    stroke: var(--gel-cyan);
    stroke-width: 18;
    stroke-linecap: round;
    stroke-dasharray: 20 36;
    animation: currentTravel 9s linear infinite;
    opacity: .45;
}

.valve-nav {
    position: fixed;
    top: 2rem;
    right: 1.3rem;
    z-index: 8;
    display: flex;
    flex-direction: column;
    gap: .8rem;
}

.nav-valve {
    width: 4.4rem;
    height: 2.3rem;
    display: grid;
    grid-template-columns: 1rem 1fr;
    align-items: center;
    gap: .4rem;
    padding: .35rem .7rem;
    border-radius: 999px 999px 999px 14px;
    color: var(--milk-glass);
    text-decoration: none;
    font: 700 .78rem/1 var(--mono);
    letter-spacing: .12em;
    background: rgba(50, 27, 95, .72);
    border: 1px solid rgba(244, 240, 230, .2);
    box-shadow: inset 0 0 18px rgba(183, 156, 255, .24), 0 10px 30px rgba(9, 7, 15, .35);
}

.nav-valve span, .valve-dot {
    width: .78rem;
    height: .78rem;
    border-radius: 50%;
    background: var(--pressure-pink);
    display: inline-block;
    box-shadow: 0 0 0 .22rem rgba(255, 79, 184, .16), 0 0 20px rgba(255, 79, 184, .9), inset -2px -2px 5px rgba(9, 7, 15, .45);
    animation: valvePulse 2.4s ease-in-out infinite;
}

.nav-valve.active span { background: var(--acid-lime); box-shadow: 0 0 0 .22rem rgba(199, 255, 74, .18), 0 0 22px rgba(199, 255, 74, .85); }

.pressure-chamber {
    min-height: 105vh;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    grid-template-rows: repeat(7, minmax(5.5rem, 1fr));
    padding: clamp(1.2rem, 3vw, 3rem);
    overflow: hidden;
    isolation: isolate;
}

.pressure-chamber::before {
    content: "";
    position: absolute;
    inset: 3% 2%;
    border-radius: 12% 38% 18% 28% / 18% 16% 34% 24%;
    background: radial-gradient(circle at 20% 20%, rgba(244, 240, 230, .08), transparent 18rem), rgba(50, 27, 95, .18);
    box-shadow: inset 0 0 80px rgba(183, 156, 255, .12), inset 0 -40px 80px rgba(9, 7, 15, .46);
    z-index: -1;
}

.giant-word {
    position: absolute;
    inset: -15vh -10vw auto -10vw;
    height: 95vh;
    display: flex;
    align-items: center;
    font-family: var(--display);
    font-size: clamp(10rem, 32vw, 37rem);
    line-height: .8;
    letter-spacing: -.12em;
    color: var(--bruise-violet);
    text-shadow: 0 0 3px var(--milk-glass), 0 0 60px rgba(255, 79, 184, .28), 24px 38px 0 rgba(82, 240, 229, .08);
    filter: saturate(1.25);
}

.glyph {
    display: inline-block;
    background: radial-gradient(circle at 34% 22%, var(--milk-glass), var(--latex-lavender) 22%, var(--bruise-violet) 58%, #170C2D 100%);
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-stroke: 2px rgba(244, 240, 230, .12);
    animation: innerHighlight 6s ease-in-out infinite;
}

.glyph-p { animation: breatheP 3.8s cubic-bezier(.25, .9, .2, 1) 1 both; transform-origin: 24% 56%; }
.glyph-9 { animation-delay: .4s; }
.glyph-r { animation-delay: .8s; }

.p-door {
    grid-column: 1 / 6;
    grid-row: 2 / 7;
    align-self: center;
    width: min(43vw, 35rem);
    aspect-ratio: .74;
    border-radius: 48% 49% 36% 42% / 42% 44% 30% 36%;
    background: radial-gradient(circle at 35% 24%, rgba(244, 240, 230, .45), transparent 16%), linear-gradient(135deg, rgba(183, 156, 255, .5), rgba(255, 79, 184, .22));
    box-shadow: inset 0 0 55px rgba(244, 240, 230, .16), inset -44px -20px 80px rgba(9, 7, 15, .4), 0 40px 120px rgba(255, 79, 184, .18);
    position: relative;
}

.p-door-hole {
    position: absolute;
    inset: 18% 16% 39% 22%;
    border-radius: 50%;
    background: var(--membrane-black);
    box-shadow: inset 0 0 45px rgba(82, 240, 229, .38), 0 0 0 1.4rem rgba(244, 240, 230, .05);
}

.primary-valve { position: absolute; right: 17%; top: 19%; width: 1.4rem; height: 1.4rem; animation: valveClick 2.5s ease .8s both, valvePulse 2.4s ease-in-out 3s infinite; }

.air-pocket, .membrane-panel {
    position: relative;
    border: 1px solid rgba(244, 240, 230, .22);
    background: linear-gradient(145deg, rgba(244, 240, 230, .88), rgba(244, 240, 230, .58));
    color: var(--membrane-black);
    border-radius: 42% 58% 44% 56% / 28% 38% 62% 72%;
    padding: clamp(1.2rem, 2.8vw, 2.5rem);
    box-shadow: inset 16px 18px 35px rgba(255, 255, 255, .22), inset -16px -22px 38px rgba(183, 156, 255, .32), 0 26px 80px rgba(9, 7, 15, .34), 0 0 40px rgba(82, 240, 229, .1);
    backdrop-filter: blur(8px);
    transform: translate3d(var(--wobble-x, 0px), var(--wobble-y, 0px), 0) rotate(var(--wobble-r, 0deg));
    transition: transform .55s cubic-bezier(.2, .9, .2, 1), border-radius .55s ease;
}

.air-pocket:hover, .membrane-panel:hover { border-radius: 55% 45% 62% 38% / 48% 58% 42% 52%; }

.intro-pocket { grid-column: 5 / 9; grid-row: 3 / 6; align-self: center; animation: capsuleRise 1.55s cubic-bezier(.2, 1.35, .34, 1) .7s both; }
.side-pocket { grid-column: 2 / 5; grid-row: 6 / 8; transform: rotate(-5deg); }

.gel-label {
    margin: 0 0 .8rem;
    font-family: var(--mono);
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--bruise-violet);
}

h1, h2 {
    margin: 0 0 1rem;
    font-family: var(--display);
    font-weight: 400;
    letter-spacing: -.04em;
    line-height: .9;
}

h1 { font-size: clamp(2.3rem, 6vw, 6.5rem); }
h2 { font-size: clamp(2rem, 5vw, 5rem); }
p { font-family: var(--story); font-size: clamp(1rem, 1.45vw, 1.38rem); line-height: 1.45; }

.bubble-window {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 25%, rgba(244, 240, 230, .82), rgba(82, 240, 229, .42) 34%, rgba(82, 240, 229, .08) 64%, transparent 66%);
    box-shadow: inset -18px -20px 40px rgba(50, 27, 95, .3), 0 0 50px rgba(82, 240, 229, .26);
    animation: bubbleDrift 7s ease-in-out infinite;
}
.bubble-a { width: 8rem; height: 8rem; right: 12%; top: 14%; }
.bubble-b { width: 4.5rem; height: 4.5rem; left: 18%; bottom: 14%; animation-delay: -2s; }

.specimen-sticker {
    position: absolute;
    z-index: 5;
    padding: .45rem .7rem;
    border-radius: 999px;
    color: var(--acid-lime);
    background: rgba(9, 7, 15, .72);
    border: 1px solid rgba(199, 255, 74, .35);
    font: 600 .68rem/1 var(--mono);
    letter-spacing: .12em;
    text-transform: uppercase;
    box-shadow: 0 0 24px rgba(199, 255, 74, .12);
}
.sticker-one { left: 4%; top: 10%; transform: rotate(-7deg); }
.sticker-two { right: 18%; bottom: 9%; transform: rotate(5deg); }
.sticker-three { right: 7%; top: 18%; transform: rotate(8deg); }
.sticker-four { left: 8%; bottom: 12%; transform: rotate(-4deg); }

.spiral-well {
    background: radial-gradient(circle at 52% 48%, rgba(82, 240, 229, .2), transparent 25rem), radial-gradient(circle at 80% 20%, rgba(255, 79, 184, .12), transparent 22rem);
}
.spiral-panel { grid-column: 1 / 5; grid-row: 2 / 5; align-self: center; background: linear-gradient(145deg, rgba(183, 156, 255, .82), rgba(244, 240, 230, .72)); }
.spiral-pool {
    grid-column: 4 / 9;
    grid-row: 1 / 7;
    align-self: center;
    justify-self: center;
    width: min(65vw, 48rem);
    aspect-ratio: 1;
    border-radius: 50%;
    position: relative;
    background: conic-gradient(from 45deg, var(--gel-cyan), var(--bruise-violet), var(--pressure-pink), var(--gel-cyan));
    box-shadow: inset 0 0 80px rgba(9, 7, 15, .72), 0 0 120px rgba(82, 240, 229, .22);
    animation: poolRotate 16s linear infinite;
}
.spiral-pool::before {
    content: "9";
    position: absolute;
    inset: -10%;
    display: grid;
    place-items: center;
    font: 400 min(45vw, 35rem)/1 var(--display);
    color: rgba(244, 240, 230, .1);
    text-shadow: 0 0 45px rgba(82, 240, 229, .3);
}
.pool-core {
    position: absolute;
    inset: 28%;
    border-radius: 50%;
    background: var(--membrane-black);
    box-shadow: inset 0 0 45px rgba(255, 79, 184, .5), 0 0 0 2rem rgba(244, 240, 230, .07);
}
.pool-valve { position: absolute; animation: orbit 8s linear infinite; }
.pool-valve.one { left: 48%; top: 4%; }
.pool-valve.two { right: 7%; top: 50%; animation-delay: -2.6s; background: var(--acid-lime); }
.pool-valve.three { left: 18%; bottom: 13%; animation-delay: -5s; background: var(--gel-cyan); }
.orbit-pocket { position: absolute; max-width: 18rem; }
.pocket-one { right: 8%; top: 18%; transform: rotate(7deg); }
.pocket-two { left: 12%; bottom: 12%; transform: rotate(-6deg); }

.runoff-tail {
    min-height: 110vh;
    background: radial-gradient(circle at 70% 80%, rgba(199, 255, 74, .1), transparent 22rem), linear-gradient(160deg, transparent, rgba(9, 7, 15, .48));
}
.r-tail { grid-column: 1 / 7; grid-row: 1 / 8; position: relative; display: grid; align-items: center; }
.tail-stem {
    font: 400 clamp(20rem, 48vw, 48rem)/.75 var(--display);
    color: rgba(183, 156, 255, .32);
    text-shadow: 0 0 70px rgba(255, 79, 184, .22), 30px 40px 0 rgba(82, 240, 229, .08);
}
.tail-chute {
    position: absolute;
    left: 30%;
    bottom: 4%;
    width: 74vw;
    height: 8rem;
    border-radius: 999px 40% 999px 999px;
    background: linear-gradient(90deg, rgba(183, 156, 255, .22), rgba(82, 240, 229, .42), rgba(199, 255, 74, .3));
    box-shadow: inset 0 0 45px rgba(244, 240, 230, .18), 0 0 70px rgba(82, 240, 229, .18);
    transform: rotate(-11deg);
}
.release-panel { grid-column: 5 / 9; grid-row: 2 / 6; align-self: center; background: linear-gradient(145deg, rgba(244, 240, 230, .9), rgba(82, 240, 229, .58)); }
.release-valve {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    margin-top: .8rem;
    padding: 1rem 1.25rem;
    border-radius: 999px 999px 999px 22px;
    background: var(--membrane-black);
    color: var(--milk-glass);
    text-decoration: none;
    font: 700 .9rem/1 var(--interface);
    text-transform: uppercase;
    letter-spacing: .12em;
    box-shadow: 0 0 32px rgba(255, 79, 184, .22), inset 0 0 24px rgba(183, 156, 255, .28);
}
.final-word {
    position: absolute;
    right: -2vw;
    bottom: -4vw;
    font: 400 clamp(5rem, 15vw, 15rem)/.8 var(--display);
    color: rgba(244, 240, 230, .08);
    letter-spacing: -.1em;
}
.residue-pocket { grid-column: 2 / 4; grid-row: 5 / 7; align-self: center; transform: rotate(5deg); }

@keyframes breatheP { 0% { transform: scale(.98); filter: brightness(.8); } 45% { transform: scale(1.045, 1.025); filter: brightness(1.22); } 100% { transform: scale(1); filter: brightness(1); } }
@keyframes innerHighlight { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes valvePulse { 0%, 100% { transform: scale(1) rotate(0deg); } 50% { transform: scale(1.22) rotate(28deg); } }
@keyframes valveClick { 0% { transform: scale(.2); opacity: 0; } 60% { transform: scale(1.45); opacity: 1; } 100% { transform: scale(1); } }
@keyframes capsuleRise { 0% { opacity: 0; transform: translateY(8rem) scale(.82) rotate(7deg); } 72% { transform: translateY(-.7rem) scale(1.04) rotate(-2deg); } 100% { opacity: 1; transform: translateY(0) scale(1) rotate(0deg); } }
@keyframes bubbleDrift { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(1.2rem, -1.8rem) scale(1.08); } }
@keyframes currentTravel { to { stroke-dashoffset: -112; } }
@keyframes poolRotate { to { transform: rotate(360deg); } }
@keyframes orbit { 0% { transform: rotate(0deg) translateX(1.4rem) rotate(0deg); } 100% { transform: rotate(360deg) translateX(1.4rem) rotate(-360deg); } }

@media (max-width: 760px) {
    .pressure-chamber { display: block; min-height: 100vh; padding: 5.5rem 1rem 3rem; }
    .giant-word { font-size: 42vw; top: 8vh; height: auto; }
    .p-door, .spiral-pool { width: 86vw; margin: 4rem auto 1rem; }
    .air-pocket, .membrane-panel { margin: 1rem 0; }
    .side-pocket, .residue-pocket, .orbit-pocket { position: relative; left: auto; right: auto; top: auto; bottom: auto; max-width: none; }
    .release-panel, .spiral-panel { margin-top: 2rem; }
    .tail-stem { font-size: 60vw; }
    .tail-chute { width: 105vw; left: 5%; }
    .valve-nav { right: .7rem; top: .7rem; flex-direction: row; }
}