:root {
  --red: #ff5b3a;
  --ink: #071d2d;
  --paper: #f5f0e8;
  --white: #ffffff;
  --muted: #78909c;
  --line: rgba(255,255,255,.16);
  --radius: 2.4rem;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --blue: #2856d8;
  --mint: #c8f1df;
  --lilac: #ddd8ff;
  --sun: #ffd34e;
  --sky: #dcecff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; }
body.age-locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link { position: fixed; z-index: 2000; left: 1rem; top: 1rem; padding: .8rem 1rem; border-radius: 999px; background: white; color: var(--ink); font-weight: 800; transform: translateY(-180%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }
:where(a, button):focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
.dark-section :where(a, button):focus-visible, .contact :where(a, button):focus-visible { outline-color: white; }

.age-gate { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 1rem; background: rgba(5,5,6,.86); backdrop-filter: blur(20px); transition: opacity .5s ease, visibility .5s ease; }
.age-gate.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.age-gate:focus { outline: none; }
.age-gate .button:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.age-card { width: min(620px, 100%); padding: clamp(2rem, 5vw, 4.5rem); background: white; border-radius: 1.75rem; box-shadow: 0 2rem 8rem rgba(0,0,0,.35); text-align: center; }
.age-logo { width: 190px; margin: 0 auto 2.75rem; }
.age-card h1 { color: var(--red); font-size: clamp(2.4rem, 6vw, 4.8rem); line-height: .95; letter-spacing: -.06em; margin: .8rem 0 1.5rem; }
.age-card > p:not(.eyebrow) { color: #606060; font-size: 1.05rem; }
.age-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 2rem; }
.button { border: 1px solid var(--ink); border-radius: 999px; padding: 1rem 1.3rem; cursor: pointer; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: white; }
.button-ghost { background: white; color: var(--ink); }
.button-light { background: white; color: var(--ink); border-color: white; }
.button-outline { background: transparent; color: white; border-color: rgba(255,255,255,.6); }
.button-light:hover, .button-outline:hover { background: var(--red); color: white; border-color: var(--red); }
.age-note { min-height: 1.4rem; margin: 1.2rem 0 0; font-size: .78rem !important; }
.age-note a { color: var(--ink); text-decoration: underline; text-underline-offset: .18em; }
.age-note a:hover { color: var(--red); }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 82px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 0 var(--pad); color: white; transition: background .35s, height .35s, box-shadow .35s; }
.site-header.scrolled { height: 68px; background: rgba(11,11,12,.9); backdrop-filter: blur(18px); box-shadow: 0 1px rgba(255,255,255,.08); }
.brand { display: flex; flex-direction: column; align-items: flex-start; gap: .35rem; }
.brand img { display: block; width: 170px; filter: invert(1); }
.brand-tagline { display: block; color: #777; font-size: .81046875rem; line-height: normal; letter-spacing: .14em; white-space: nowrap; }
nav { display: flex; gap: clamp(1rem, 2.5vw, 2.6rem); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
nav a, .nav-cta { position: relative; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.5rem; height: 2px; background: var(--red); transition: right .25s; }
nav a:hover::after { right: 0; }
.nav-cta { justify-self: end; padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.5); border-radius: 999px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.menu-toggle { display: none; }

.dark-section { background: var(--ink); color: white; }
.hero { position: relative; min-height: 100svh; padding: calc(clamp(7.5rem, 10vw, 9rem) + 2cm) var(--pad) clamp(4rem, 7vw, 6rem); overflow: hidden; }
.bubble-field { position: absolute; inset: 0; pointer-events: none; opacity: .72; mask-image: linear-gradient(90deg, transparent 0%, black 52%); }
.bubble { position: absolute; width: var(--size); height: var(--size); left: var(--x); top: var(--y); border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.35), rgba(255,255,255,.03) 35%, rgba(226,38,48,.18) 70%, transparent 72%); animation: drift var(--duration) ease-in-out infinite alternate; animation-delay: var(--delay); }
@keyframes drift { to { transform: translate3d(var(--dx), -45px, 0) scale(1.08); } }
.hero-copy { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); column-gap: clamp(3rem, 7vw, 8rem); align-items: end; }
.hero-copy .eyebrow { grid-column: 1 / -1; }
.eyebrow { margin: 0 0 1.2rem; font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .2em; }
.eyebrow.red { color: var(--red); }
.hero h1 { margin: 0; font-size: clamp(4.5rem, 7.5vw, 8rem); line-height: .8; letter-spacing: -.075em; font-weight: 700; }
.hero h1 em { color: var(--red); font-style: normal; }
.hero-intro { max-width: 620px; margin: 0 0 .35rem; color: #c9c9c9; font-size: clamp(1.05rem, 1.35vw, 1.3rem); line-height: 1.62; }
.hero-intro strong { color: white; font-weight: 800; }
.hero-intro-wrap { align-self: end; }
.hero-actions { width: min(100%, 47rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 1.6rem; }
.hero-actions .button { width: 100%; display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding-inline: 1.2rem; font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-align: center; text-transform: uppercase; }
.text-link { display: inline-flex; align-items: center; gap: 1rem; padding-bottom: .35rem; border-bottom: 1px solid currentColor; font-size: .87rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.text-link span { color: var(--red); font-size: 1.2em; }
.text-link.light { color: white; }
.hero-products { position: relative; z-index: 3; display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: calc(clamp(2.5rem, 5vw, 4.5rem) + 5cm); }
.hero-products::before { display: none; }
.hero-product { min-width: 0; padding: 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.05); backdrop-filter: blur(10px); transform-style: preserve-3d; transition: transform .25s ease, border-color .25s ease; }
.hero-product:hover { border-color: rgba(255,255,255,.45); }
.product-label { display: flex; justify-content: space-between; padding: .45rem .5rem 1rem; font-size: .82rem; letter-spacing: .11em; text-transform: uppercase; }
.product-label span { color: var(--red); }
.product-visual { overflow: hidden; height: clamp(420px, 48vw, 650px); border-radius: calc(var(--radius) - .8rem); background: white; }
.product-visual img { width: 100%; height: 100%; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.hero-product:hover img { transform: scale(1.035); }
.pouch-visual { position: relative; display: block; padding: 0; background: white; overflow: hidden; }
.pouch-train { position: absolute; inset: 0 auto 0 0; width: 720%; display: flex; align-items: center; animation: pouch-train 54s linear infinite; will-change: transform; }
.pouch-train img { flex: 0 0 33.333333%; width: 33.333333%; max-width: none; height: 100%; object-fit: contain; transition: none; }
.product-pouch:hover .pouch-train img { transform: none; }
@keyframes pouch-train { to { transform: translateX(-66.666667%); } }
.air-visual img { object-fit: contain; object-position: center; padding: 0; transform: none; }
.product-air:hover .air-visual img { transform: none; }
.air-visual { position: relative; background: #000; }
@keyframes air-showroom-turn {
  0%, 100% { transform: translateX(-2.5%) rotateY(-18deg) rotateX(1.5deg) scale(.88); filter: brightness(.9) drop-shadow(1.5rem 1.7rem 1.8rem rgba(0,0,0,.34)); }
  50% { transform: translateX(2.5%) rotateY(18deg) rotateX(-1.5deg) scale(.93); filter: brightness(1.08) drop-shadow(-1.5rem 1.7rem 1.8rem rgba(0,0,0,.34)); }
}
.air-labels { position: absolute; inset: 0; pointer-events: none; }
.air-labels span { position: absolute; z-index: 2; right: .75rem; top: var(--y); transform: translateY(-50%); padding: .45rem .65rem; border-radius: 999px; background: rgba(11,11,12,.82); color: white; font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; backdrop-filter: blur(8px); }
.hero-product > p { margin: 1rem .5rem .3rem; color: #bdbdbd; font-size: .92rem; }
.platform-lockup { position: relative; z-index: 6; justify-self: center; width: min(100%, 30rem); min-height: 5.5rem; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.34); border-radius: 999px; background: var(--red); box-shadow: 0 1.5rem 5rem rgba(0,0,0,.45); backdrop-filter: blur(14px); text-align: center; }
.platform-lockup strong { font-size: .66rem; line-height: 1.4; letter-spacing: .16em; }
.hero-close { position: relative; z-index: 3; display: flex; justify-content: center; align-items: center; gap: 2rem; margin-top: 2rem; text-align: center; }
.hero-close > p { max-width: 1100px; margin: 0; color: #8d8d8d; font-size: .74rem; font-weight: 700; line-height: 1.7; letter-spacing: .08em; text-transform: uppercase; }
.section { padding: clamp(6rem, 11vw, 10rem) var(--pad); }
.story { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(3rem, 8vw, 9rem); background: white; }
.story-head h2 { margin: 0; font-size: clamp(3.5rem, 7.8vw, 8rem); line-height: .88; letter-spacing: -.07em; }
.story-head h2 em { color: var(--red); font-style: normal; }
.story-body { align-self: end; display: grid; gap: 1.5rem; }
.story-body p { margin: 0; color: #5b5b5b; font-size: clamp(1.05rem, 1.45vw, 1.3rem); line-height: 1.7; }
.story-body strong { color: var(--ink); }
.story-shift { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; margin-top: clamp(1rem, 4vw, 4rem); border: 1px solid #d6d6d1; border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.story-shift > div { min-height: 250px; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(1.5rem, 3vw, 3rem); }
.story-shift span { color: #777; font-size: .72rem; font-weight: 800; letter-spacing: .14em; }
.story-shift strong { font-size: clamp(2.2rem, 4.5vw, 5rem); line-height: .9; letter-spacing: -.055em; }
.story-shift > b { align-self: center; color: var(--red); font-size: 2.5rem; font-weight: 400; }
.story-shift .story-now { background: var(--red); color: white; }
.story-shift .story-now span { color: white; }
.story-transition-note { grid-column: 1 / -1; max-width: 1100px; margin: clamp(1.25rem, 3vw, 2.5rem) auto 0; color: #545454; font-size: clamp(1.02rem, 1.35vw, 1.22rem); line-height: 1.72; text-align: center; }
.story-transition-note strong { color: var(--ink); }
.story-transition-note strong:first-child { color: var(--red); }
.section-head { display: grid; grid-template-columns: 1.3fr .7fr; column-gap: 3rem; align-items: end; margin-bottom: clamp(3rem, 6vw, 6rem); }
.section-head .eyebrow { grid-column: 1 / -1; }
.section-head h2, .platform h2, .science h2, .manifesto h2, .contact h2 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: .92; letter-spacing: -.065em; }
.section-head > p:last-child { max-width: 560px; color: #5f5f5f; font-size: 1.1rem; line-height: 1.65; }
.showcase-intro { max-width: 1050px; margin: 0 auto clamp(5rem, 10vw, 10rem); text-align: center; }
.showcase-intro h2 { margin: 0; font-size: clamp(4rem, 9vw, 9.5rem); line-height: .85; letter-spacing: -.075em; }
.showcase-intro h2 em { color: var(--blue); font-style: normal; }
.showcase-intro > p:not(.eyebrow) { max-width: 680px; margin: 2rem auto 0; color: #5f6b72; font-size: clamp(1.05rem, 1.45vw, 1.28rem); line-height: 1.65; }
.product-showcase { display: grid; gap: clamp(1rem, 2vw, 2rem); }
.product-chapter { min-height: min(900px, 92svh); display: grid; grid-template-rows: auto 1fr; overflow: hidden; border-radius: clamp(2rem, 4vw, 4rem); scroll-margin-top: 78px; }
.product-chapter-copy { position: relative; z-index: 2; max-width: 1050px; margin: 0 auto; padding: clamp(3rem, 7vw, 7rem) clamp(1.5rem, 5vw, 5rem) 1rem; text-align: center; }
.product-name { margin: 0 0 1.1rem; color: var(--blue); font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 750; }
.product-chapter h3 { margin: 0; font-size: clamp(4rem, 9vw, 9rem); line-height: .82; letter-spacing: -.075em; }
.product-chapter h3 em { color: var(--blue); font-style: normal; }
.product-chapter-copy > p:last-child { max-width: 690px; margin: 2rem auto 0; color: #55646d; font-size: clamp(1.05rem, 1.45vw, 1.3rem); line-height: 1.6; }
.chapter-visual { position: relative; min-height: 420px; margin: 0; overflow: hidden; }
.chapter-visual img { width: 100%; height: 100%; }
.chapter-visual figcaption { position: absolute; z-index: 2; left: 50%; bottom: clamp(1.25rem, 3vw, 2.5rem); transform: translateX(-50%); width: max-content; max-width: calc(100% - 2rem); padding: .8rem 1.2rem; border-radius: 999px; background: rgba(255,255,255,.78); color: var(--ink); backdrop-filter: blur(18px); font-size: .78rem; font-weight: 750; letter-spacing: .035em; text-align: center; }
.pouch-chapter { background: linear-gradient(155deg, #fff 0%, #eef5ff 56%, #d9e9ff 100%); color: var(--ink); }
.pouch-portfolio-download { margin: 0; padding: 0 1.25rem 2rem; text-align: center; }
.pouch-portfolio-download a { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: .35rem; align-items: center; min-height: 44px; padding: .65rem 1.1rem; border-radius: 999px; background: #fff; color: var(--ink); font-weight: 750; text-decoration: underline; text-underline-offset: .2em; }
.pouch-portfolio-download a:hover { color: var(--blue); }
.pouch-chapter-visual { min-height: clamp(430px, 42vw, 660px); }
.pouch-chapter-visual { background: radial-gradient(circle at 50% 85%, rgba(40,86,216,.16), transparent 38%), linear-gradient(180deg, #f7fbff 0%, #d9e9ff 100%); }
.pouch-chapter-visual::before { content: ""; position: absolute; left: 12%; right: 12%; bottom: 12%; height: 12%; border-radius: 50%; background: rgba(44,74,116,.16); filter: blur(2rem); }
.pouch-chapter-visual img { --product-from: translateY(-50%); --product-to: translateY(-50%); position: absolute; left: 0; top: 50%; width: 100%; max-width: 100%; height: auto; object-fit: contain; transform: var(--product-to); }
.air-chapter { background: #000; color: white; }
.air-chapter .product-name { color: #8cd8ff; }
.air-chapter h3 em { color: #a78bfa; }
.air-chapter .product-chapter-copy > p:last-child { color: rgba(255,255,255,.68); }
.air-chapter-visual { min-height: clamp(480px, 48vw, 760px); }
.air-chapter-visual::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 40%, transparent 20%, rgba(0,0,0,.4) 76%, #000 100%); pointer-events: none; }
.air-chapter-visual img { --product-from: scale(1.04); --product-to: scale(1); position: absolute; inset: 0; padding: clamp(1rem, 2.5vw, 2.5rem); object-fit: contain; object-position: center; transform: var(--product-to); }

@supports (animation-timeline: view()) {
  .product-chapter { view-timeline-name: --product-chapter; view-timeline-axis: block; }
  .product-chapter .chapter-visual img {
    animation: product-cinema linear both;
    animation-timeline: --product-chapter;
    animation-range: entry 10% cover 72%;
  }
  .product-chapter-copy {
    animation: product-copy linear both;
    animation-timeline: --product-chapter;
    animation-range: entry 8% cover 42%;
  }
  @keyframes product-cinema {
    from { transform: var(--product-from); filter: saturate(.9) contrast(.96); }
    to { transform: var(--product-to); filter: saturate(1) contrast(1); }
  }
  @keyframes product-copy {
    from { transform: translateY(2rem); opacity: .55; }
    to { transform: translateY(0); opacity: 1; }
  }
}

.platform { position: relative; overflow: hidden; }
.formula-hero { position: relative; z-index: 3; display: grid; grid-template-columns: 1.15fr .85fr; min-height: 680px; margin: calc(clamp(6rem, 11vw, 10rem) * -1) calc(var(--pad) * -1) clamp(6rem, 10vw, 9rem); overflow: hidden; background: #ecece8; color: var(--ink); }
.formula-image { position: relative; min-height: 680px; margin: 0; overflow: hidden; background: white; }
.formula-image-media { position: absolute; inset: 0; overflow: hidden; }
.formula-image-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 58%, rgba(236,236,232,.72)); pointer-events: none; }
.formula-image img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; }
.formula-image figcaption { position: absolute; z-index: 2; left: clamp(1.2rem, 3vw, 3rem); bottom: clamp(1.2rem, 3vw, 3rem); max-width: 310px; padding: .75rem 1rem; border-radius: 999px; background: rgba(255,255,255,.82); backdrop-filter: blur(12px); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.formula-callouts { position: absolute; z-index: 3; inset: 0; margin: 0; padding: 0; list-style: none; pointer-events: none; }
.formula-callout { --orange: #f3a000; position: absolute; max-width: 44%; color: #005a46; font-size: clamp(.75rem, .92vw, .9rem); font-weight: 850; line-height: 1.16; letter-spacing: -.01em; text-transform: uppercase; pointer-events: auto; }
.formula-callout.callout-on-dark { color: #fff; text-shadow: 0 1px 8px rgba(0,0,0,.72); }
.formula-callout span { display: block; opacity: 0; transform: translateY(.55rem); transition: opacity .5s ease, transform .5s cubic-bezier(.2,.7,.2,1); transition-delay: calc(.12s + var(--order) * .09s); }
.formula-callout i { position: absolute; top: calc(100% + .65rem); left: var(--line-x, 50%); width: 2px; height: var(--line-h, 8rem); background: var(--orange); transform: scaleY(0); transform-origin: top; transition: transform .65s cubic-bezier(.2,.75,.2,1); transition-delay: calc(.2s + var(--order) * .09s); }
.formula-callout i::before, .formula-callout i::after { content: ""; position: absolute; left: 50%; width: .62rem; height: .62rem; border-radius: 50%; background: var(--orange); opacity: 0; transform: translate(-50%, -50%) scale(.4); transition: opacity .3s ease, transform .3s ease; transition-delay: calc(.32s + var(--order) * .09s); }
.formula-callout i::before { top: 0; }
.formula-callout i::after { top: 100%; }
.formula-hero.visible .formula-callout span { opacity: 1; transform: none; }
.formula-hero.visible .formula-callout i { transform: scaleY(1); }
.formula-hero.visible .formula-callout i::before, .formula-hero.visible .formula-callout i::after { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.callout-emptying { top: 8%; left: 5%; width: 43%; --line-x: 72%; --line-h: 10.5rem; }
.callout-formula { top: 8%; left: 55%; width: 41%; --line-x: 3%; --line-h: 10.5rem; }
.callout-micropump { top: 44%; left: 5%; width: 34%; --line-x: 78%; --line-h: 6.6rem; }
.callout-bioavailability { top: 44%; left: 70%; width: 27%; --line-x: -12%; --line-h: 6.6rem; }
.callout-bottom { bottom: 7%; }
.callout-bottom i { top: auto; bottom: calc(100% + .65rem); transform-origin: bottom; }
.callout-co2 { left: 18%; bottom: 22%; width: 18%; --line-x: 60%; --line-h: 5.4rem; }
.callout-fizz { left: 77%; width: 20%; --line-x: -18%; --line-h: 8.6rem; }
.callout-bioavailability, .callout-co2, .callout-fizz { color: var(--red); }
@media (hover: hover) and (pointer: fine) {
  .formula-callout:hover { z-index: 5; }
  .formula-hero.visible .formula-callout:hover span { transform: scale(1.2); transform-origin: left center; }
}
.formula-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 6vw, 7rem) var(--pad) clamp(3rem, 6vw, 7rem) clamp(2rem, 5vw, 5rem); }
.formula-copy h2 { font-size: clamp(3.2rem, 6.4vw, 7rem); }
.formula-copy h2 em { color: var(--red); font-style: normal; }
.formula-copy > p:not(.eyebrow) { margin: 1.5rem 0 0; color: #555; font-size: 1.08rem; line-height: 1.7; }
.formula-copy strong { color: var(--ink); }
.formula-formats { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.formula-formats span { padding: .7rem .9rem; border: 1px solid #bbb; border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.platform-copy { position: relative; z-index: 2; max-width: 980px; margin-bottom: clamp(4rem, 9vw, 9rem); }
.platform-copy > p:last-child { max-width: 760px; color: #aaa; font-size: 1.15rem; line-height: 1.7; }
.reaction-orbit { position: absolute; right: -10vw; top: -8vw; width: min(48vw, 690px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; animation: spin 36s linear infinite; }
.reaction-orbit::before, .reaction-orbit::after { content: ""; position: absolute; inset: 13%; border: 1px solid rgba(255,255,255,.08); border-radius: inherit; }
.reaction-orbit::after { inset: 27%; }
.orbit-center { position: absolute; inset: 38%; display: grid; place-items: center; border-radius: 50%; background: var(--red); font-size: 3rem; font-weight: 900; }
.reaction-orbit > span { --angle: calc(var(--i) * 60deg); position: absolute; left: 50%; top: 50%; width: calc(20px + var(--i) * 5px); aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.05); transform: rotate(var(--angle)) translateX(42%) translateX(255px); }
@keyframes spin { to { transform: rotate(360deg); } }
.dimension-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.dimension { min-height: 270px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s; }
.dimension:hover { background: var(--red); }
.dimension span { color: #777; font-size: .75rem; }
.dimension:hover span { color: white; }
.dimension h3 { margin: 4rem 0 .8rem; font-size: 1.55rem; }
.dimension p { margin: 0; color: #999; line-height: 1.55; }
.dimension:hover p { color: white; }
.platform-principles { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border-radius: var(--radius); background: rgba(7,29,45,.14); }
.platform-principles p { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; gap: 2rem; margin: 0; padding: clamp(1.5rem, 3vw, 2.5rem); background: rgba(255,255,255,.72); }
.platform-principles span { color: var(--blue); font-size: .72rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.platform-principles strong { max-width: 310px; font-size: clamp(1.25rem, 2vw, 2rem); line-height: 1.05; letter-spacing: -.035em; }

.science { background: white; }
.science-title { display: grid; grid-template-columns: 1fr 1fr; }
.science-title .eyebrow { grid-column: 1 / -1; }
.science-title h2 { grid-column: 1 / -1; }
.science-evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: clamp(3.5rem, 7vw, 6rem) 0 1rem; }
.science-proof { display: grid; grid-template-rows: auto 1fr; gap: 2.5rem; align-items: end; margin: 0; padding: clamp(2rem, 4vw, 4rem); border: 0; border-radius: var(--radius); background: white; box-shadow: 0 1.5rem 4rem rgba(40,86,216,.08); }
.patent-number { display: flex; align-items: end; gap: 1rem; }
.patent-number strong { font-size: clamp(6rem, 14vw, 13rem); line-height: .72; letter-spacing: -.08em; color: var(--red); }
.patent-number span { max-width: 90px; padding-bottom: .3rem; font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.science-proof > p { max-width: 430px; margin: 0; color: #565656; font-size: 1.08rem; line-height: 1.6; }
.research-story { display: grid; grid-template-rows: auto 1fr; gap: 2.5rem; align-items: end; margin: 0; padding: clamp(2rem, 4vw, 4rem); border-radius: var(--radius); background: var(--ink); color: white; }
.research-story + .science-proof { margin-top: 2rem; }
.research-time { display: flex; align-items: end; gap: 1rem; }
.research-time strong { color: var(--red); font-size: clamp(5.5rem, 11vw, 10rem); line-height: .7; letter-spacing: -.08em; }
.research-time span { padding-bottom: .15rem; font-size: .75rem; font-weight: 800; line-height: 1.35; letter-spacing: .1em; text-transform: uppercase; }
.research-story > p { max-width: 560px; margin: 0; color: #a9a9a9; font-size: clamp(1.05rem, 1.35vw, 1.2rem); line-height: 1.6; }
.research-story > p strong { color: white; font-weight: 650; }
.research-story > p a { color: white; text-decoration: underline; text-decoration-color: var(--sun); text-decoration-thickness: 2px; text-underline-offset: .2em; }
.science-paper { position: relative; height: clamp(220px, 22vw, 310px); margin: 0 0 1rem; overflow: hidden; border-radius: var(--radius); background: #efefed; box-shadow: 0 1.5rem 5rem rgba(0,0,0,.1); }
.science-paper::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(245,245,242,.38), transparent 16%, transparent 84%, rgba(245,245,242,.38)); pointer-events: none; }
.science-paper img { width: 100%; height: 100%; object-fit: cover; object-position: center 29%; transform: scale(1.045) rotate(-.35deg); }
.science-paper figcaption { position: absolute; z-index: 2; left: 1.25rem; bottom: 1.25rem; padding: .7rem .9rem; border-radius: 999px; background: var(--ink); color: white; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.science-paper figcaption a { display: block; color: inherit; }
.science-paper figcaption a:focus-visible { outline: 2px solid white; outline-offset: .25rem; border-radius: 999px; }
.science-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 1.5rem; padding: clamp(2rem, 4vw, 4rem); border-radius: var(--radius); background: var(--paper); }
.science-flow div { display: grid; gap: .35rem; }
.science-flow span { color: var(--red); font-size: .72rem; font-weight: 800; }
.science-flow strong { font-size: clamp(1.4rem, 2.3vw, 2.3rem); }
.science-flow small { color: #777; font-size: .82rem; line-height: 1.5; }
.science-flow small a { color: var(--blue); font-weight: 750; text-decoration: underline; text-underline-offset: .18em; }
.science-flow b { color: var(--red); font-size: 2rem; font-weight: 400; }

.actives { background: #dfe1df; }
.actives-intro { max-width: 1100px; }
.actives-intro h2 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: .9; letter-spacing: -.065em; }
.actives-intro h2 em { color: var(--red); font-style: normal; }
.actives-intro > p:last-child { max-width: 720px; margin: 2rem 0 5rem auto; color: #4f4f4f; font-size: 1.18rem; line-height: 1.7; }
.active-spectrum { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #bfc1bf; border: 1px solid #bfc1bf; }
.active-card { min-height: 340px; display: flex; flex-direction: column; padding: 2rem; background: #eceeeb; transition: background .3s, color .3s, transform .3s; }
.active-card:hover { position: relative; z-index: 2; background: var(--red); color: white; transform: scale(1.018); }
.active-card span { color: var(--red); font-size: .74rem; font-weight: 800; }
.active-card:hover span { color: white; }
.active-card h3 { margin: 3.5rem 0 .8rem; font-size: clamp(1.7rem, 2.7vw, 2.8rem); letter-spacing: -.04em; }
.active-card p { max-width: 290px; margin: 0; color: #666; line-height: 1.55; }
.active-card .active-examples { color: var(--ink); font-size: .96rem; font-weight: 750; line-height: 1.45; }
.active-card .active-why { margin-top: auto; padding-top: 1.35rem; border-top: 1px solid rgba(7,29,45,.16); font-size: .86rem; line-height: 1.5; }
.active-card:hover p { color: white; }
.active-card:hover .active-why { border-color: rgba(255,255,255,.28); }

.manifesto { display: grid; grid-template-columns: 1fr 1fr; background: #18181a; color: white; }
.manifesto-image { min-height: 760px; overflow: hidden; }
.manifesto-image img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; filter: saturate(.85) contrast(1.05); }
.manifesto-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 7vw, 7rem); }
.manifesto-copy .eyebrow { color: var(--red); }
.manifesto-copy p:not(.eyebrow) { color: #aaa; font-size: 1.08rem; line-height: 1.75; }
.partner-benefits { display: grid; gap: .8rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.partner-benefits li { padding: .9rem 0 .9rem 1.6rem; border-top: 1px solid rgba(255,255,255,.18); color: white; font-size: .9rem; font-weight: 750; line-height: 1.45; letter-spacing: .035em; }
.partner-benefits li::before { content: "+"; display: inline-block; width: 1.6rem; margin-left: -1.6rem; color: var(--red); }

.team { overflow: hidden; background: white; }
.team-head { display: grid; grid-template-columns: 1.25fr .75fr; column-gap: clamp(2rem, 6vw, 7rem); align-items: end; margin-bottom: clamp(3rem, 6vw, 6rem); }
.team-head .eyebrow { grid-column: 1 / -1; }
.team-head h2 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: .9; letter-spacing: -.065em; }
.team-head h2 em { color: var(--red); font-style: normal; }
.team-head > p:last-child { max-width: 520px; margin: 0; color: #5f5f5f; font-size: 1.1rem; line-height: 1.65; }
.team-portrait-strip { margin: 0; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; scrollbar-color: var(--red) #e5e5e1; }
.team-portrait-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(.7rem, 1.2vw, 1.3rem); min-width: 1050px; padding: 1.5rem; }
.team-member { min-width: 0; }
.team-photo-frame { position: relative; overflow: hidden; background: transparent; }
.team-photo { aspect-ratio: 2 / 3; background: url('/assets/splash-senior-team.jpg') var(--portrait-position) top / 900% auto no-repeat; filter: grayscale(1) contrast(1.08) brightness(1.02); transform: scale(1); transform-origin: center; transition: transform .3s cubic-bezier(.2,.7,.2,1); }
.team-member:hover .team-photo { transform: scale(1.1); }
.team-swipe-hint { display: none; }
.team-meta { padding: 1rem .1rem 0; text-align: center; }
.team-meta h3 { margin: 0; font-size: clamp(.9rem, 1.35vw, 1.25rem); line-height: 1.08; letter-spacing: -.025em; }
.team-meta p { margin: .45rem 0 0; color: #777; font-size: .72rem; line-height: 1.35; letter-spacing: .04em; }

.contact { background: var(--red); color: white; }
.contact-line { display: grid; grid-template-columns: 1fr .85fr; align-items: end; gap: 3rem; }
.contact-line .eyebrow { grid-column: 1 / -1; }
.contact-intro { max-width: 420px; margin: 0 0 .5rem; color: rgba(255,255,255,.82); font-size: 1.08rem; line-height: 1.6; }
.contact-intro p { margin: 0; }
.contact-intro p + p { margin-top: 1.25rem; }
.contact-paths { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.5); border-left: 1px solid rgba(255,255,255,.5); }
.contact-path { position: relative; min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.5); border-bottom: 1px solid rgba(255,255,255,.5); transition: background .25s, color .25s; }
.contact-path:hover { background: white; color: var(--red); }
.contact-path span { font-size: .82rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-path strong { max-width: 85%; font-size: clamp(1.25rem, 2.2vw, 2rem); line-height: 1.05; letter-spacing: -.03em; }
.contact-path b { position: absolute; right: 1.5rem; bottom: 1.5rem; font-size: 1.5rem; font-weight: 400; }

footer { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 3rem; padding: 4rem var(--pad) 2rem; background: var(--ink); color: white; font-size: .84rem; }
.footer-brand img { display: block; width: 175px; filter: invert(1); margin-bottom: .35rem; }
.footer-address { color: #aaa; line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; justify-content: flex-start; gap: .15rem; }
.footer-links a { display: inline-flex; align-items: center; min-height: 2.4rem; padding: .25rem .4rem; margin-right: -.4rem; border-radius: .25rem; }
.footer-links a:hover { color: var(--red); }
.footer-links a:focus-visible { color: white; outline: 2px solid var(--red); outline-offset: 2px; }
.adult-note, .copyright { grid-column: span 2; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); color: #777; }
.copyright { grid-column: span 1; text-align: right; }

.legal-page { background: var(--paper); }
.legal-header { background: rgba(11,11,12,.94); }
.legal-hero { position: relative; min-height: 78svh; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(9rem, 13vw, 13rem) var(--pad) clamp(4rem, 7vw, 6rem); overflow: hidden; }
.legal-hero > * { position: relative; z-index: 2; }
.legal-hero h1 { max-width: 1000px; margin: 0; font-size: clamp(5rem, 11vw, 11rem); line-height: .78; letter-spacing: -.08em; }
.legal-hero h1 em { color: var(--red); font-style: normal; }
.legal-hero > p:not(.eyebrow) { max-width: 650px; margin: 2rem 0 0 auto; color: #aaa; font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.65; }
.legal-orbit { position: absolute; z-index: 1; right: -10vw; top: 2vw; width: min(55vw, 760px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.legal-orbit::before, .legal-orbit::after { content: ""; position: absolute; inset: 15%; border: 1px solid rgba(255,255,255,.09); border-radius: 50%; }
.legal-orbit::after { inset: 31%; background: var(--red); border: 0; box-shadow: 0 0 8rem rgba(226,38,48,.25); }
.legal-orbit span { position: absolute; z-index: 2; inset: 47%; border-radius: 50%; background: var(--ink); }
.legal-jump { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(3rem, 7vw, 7rem); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.legal-jump a { display: flex; justify-content: space-between; padding: 1.25rem 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: .8rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; transition: background .25s; }
.legal-jump a:hover { background: var(--red); }
.legal-jump span { color: #777; }
.legal-content { display: grid; grid-template-columns: minmax(220px, .32fr) minmax(0, 1fr); gap: clamp(3rem, 8vw, 9rem); padding: clamp(5rem, 10vw, 10rem) var(--pad); }
.legal-index { position: sticky; top: 110px; align-self: start; display: grid; }
.legal-index > a { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid #ccc; font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.legal-index > a:hover { color: var(--red); }
.legal-index > a span { color: var(--red); }
.legal-updated { margin-top: 3rem; color: #777; font-size: .76rem; line-height: 1.6; text-transform: uppercase; letter-spacing: .1em; }
.legal-updated strong { color: var(--ink); }
.legal-sections { min-width: 0; }
.legal-section { position: relative; padding: 1rem 0 clamp(6rem, 11vw, 11rem); scroll-margin-top: 90px; }
.legal-section + .legal-section { padding-top: clamp(5rem, 8vw, 8rem); border-top: 1px solid #c9c9c4; }
.legal-number { position: absolute; top: 0; right: 0; color: var(--red); font-size: clamp(5rem, 10vw, 10rem); font-weight: 800; line-height: .75; letter-spacing: -.08em; opacity: .12; }
.legal-section h2 { position: relative; margin: 0; font-size: clamp(4rem, 9vw, 9rem); line-height: .86; letter-spacing: -.075em; }
.legal-lead { max-width: 780px; margin: 2rem 0 clamp(4rem, 7vw, 7rem); color: #555; font-size: clamp(1.15rem, 1.8vw, 1.55rem); line-height: 1.65; }
.legal-section > section { padding: 2rem 0; border-top: 1px solid #d1d1cc; }
.legal-section h3 { margin: 0 0 .8rem; font-size: 1.05rem; letter-spacing: -.02em; }
.legal-section section p { max-width: 840px; margin: 0; color: #5d5d5d; line-height: 1.75; }
.legal-section section a { color: var(--red); text-decoration: underline; text-underline-offset: .2em; }
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #d1d1cc; border-left: 1px solid #d1d1cc; }
.legal-grid section { min-height: 190px; padding: 1.75rem; border-right: 1px solid #d1d1cc; border-bottom: 1px solid #d1d1cc; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav, .nav-cta { display: none; }
  .menu-toggle { display: grid; gap: 5px; padding: .5rem; border: 0; background: transparent; }
  .menu-toggle span { width: 25px; height: 2px; background: white; }
  .site-header.menu-open { height: auto; grid-template-columns: 1fr auto; padding-block: 1.2rem; background: var(--ink); }
  .site-header.menu-open nav { grid-column: 1 / -1; display: grid; gap: 1.2rem; padding: 1.5rem 0 .5rem; }
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav, .nav-cta { display: none; }
  .menu-toggle { display: grid; gap: 5px; padding: .5rem; border: 0; background: transparent; }
  .menu-toggle span { width: 25px; height: 2px; background: white; }
  .site-header.menu-open { height: auto; grid-template-columns: 1fr auto; padding-block: 1.2rem; background: var(--ink); }
  .site-header.menu-open nav { grid-column: 1 / -1; display: grid; gap: 1.2rem; padding: 1.5rem 0 .5rem; }
  .hero-copy { grid-template-columns: 1fr; }
  .hero-intro { margin-top: 2rem; }
  .hero-intro-wrap { margin-top: 2rem; }
  .hero-intro-wrap .hero-intro { margin-top: 0; }
  .hero-products { grid-template-columns: 1fr; margin-top: calc(clamp(4rem, 9vw, 7rem) + 5cm); }
  .manifesto { grid-template-columns: 1fr; }
  .team-head { grid-template-columns: 1fr; }
  .team-head > p:last-child { margin-top: 1.5rem; }
  .formula-hero { grid-template-columns: 1fr; }
  .formula-image { min-height: 0; overflow: visible; }
  .formula-image-media { position: relative; min-height: 520px; }
  .formula-image-media::after { background: linear-gradient(180deg, transparent 72%, rgba(236,236,232,.65)); }
  .formula-callouts { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem 1.2rem; padding: 1.5rem; background: white; }
  .formula-callout { position: relative; inset: auto; width: auto; max-width: none; min-height: 3.8rem; display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: .55rem; padding: .7rem 0; border-top: 1px solid #e7e7e2; font-size: .73rem; }
  .formula-callout.callout-on-dark { color: #005a46; text-shadow: none; }
  .formula-callout i, .formula-callout.callout-bottom i { position: relative; inset: auto; display: block; width: 100%; height: 2px; background: #f3a000; transform: scaleX(0); transform-origin: left; }
  .formula-callout i::before, .formula-callout i::after { top: 50%; }
  .formula-callout i::before { left: 0; }
  .formula-callout i::after { left: 100%; }
  .formula-hero.visible .formula-callout i { transform: scaleX(1); }
  .product-visual { min-height: 420px; }
  .section-head, .switcher-stage, .science-proof, .research-story { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; }
  .story-shift { grid-column: 1; }
  .section-head > p:last-child { margin-top: 1rem; }
  .stage-image { min-height: 430px; }
  .dimension-grid { grid-template-columns: repeat(2, 1fr); }
  .active-spectrum { grid-template-columns: repeat(2, 1fr); }
  .manifesto-image { min-height: 580px; }
  .contact-line { grid-template-columns: 1fr; }
  .contact-paths { grid-template-columns: 1fr; }
  .legal-content { grid-template-columns: 1fr; }
  .legal-index { position: static; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .legal-index .eyebrow, .legal-updated { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  :root { --radius: 1.25rem; --pad: 1.25rem; }
  .site-header { height: 68px; }
  .brand img { width: 135px; }
  .brand { gap: .3rem; }
  .brand-tagline { font-size: .72rem; }
  .hero { min-height: auto; padding-top: 8.5rem; }
  .hero h1 { font-size: clamp(3.35rem, 16.5vw, 5.2rem); line-height: .84; }
  .hero-intro { font-size: 1rem; line-height: 1.55; }
  .hero-actions { width: 100%; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-products { grid-template-columns: 1fr; gap: 1.5rem; margin-top: 4rem; }
  .hero-products::before { display: none; }
  .platform-lockup { position: relative; left: auto; top: auto; width: 100%; aspect-ratio: auto; min-height: 5.5rem; transform: none; border-radius: 999px; }
  .platform-lockup strong { line-height: 1.15; }
  .hero-close { align-items: center; flex-direction: column; }
  .product-visual { min-height: 320px; }
  .air-labels span { right: .5rem; font-size: .72rem; }
  .section { padding-block: clamp(4.5rem, 18vw, 6rem); }
  .section-head h2, .platform h2, .science h2, .manifesto h2, .contact h2 { font-size: clamp(2.75rem, 13vw, 4.25rem); line-height: .94; }
  .switcher-tabs { grid-template-columns: 1fr; }
  .product-tab { border-right: 0; border-bottom: 1px solid #ddd; }
  .switcher-stage { min-height: 0; }
  .stage-image { min-height: 350px; order: -1; }
  .dimension-grid { grid-template-columns: 1fr; }
  .active-spectrum { grid-template-columns: 1fr; }
  .dimension { min-height: 220px; }
  .dimension h3 { margin-top: 3rem; }
  .science-flow { grid-template-columns: 1fr; }
  .science-evidence { grid-template-columns: 1fr; }
  .science-evidence .research-story { margin-top: 0; }
  .platform-principles { grid-template-columns: 1fr; }
  .platform-principles p { min-height: 132px; }
  .story-shift { grid-template-columns: 1fr; }
  .story-shift > b { transform: rotate(90deg); justify-self: center; padding: .75rem 0; }
  .science-flow b { transform: rotate(90deg); justify-self: start; }
  .science-proof { gap: 2rem; }
  .manifesto-image { min-height: 480px; }
  .manifesto-copy { padding: 4rem 1.25rem; }
  .formula-hero { min-height: 0; }
  .formula-image-media { min-height: 360px; }
  .formula-callouts { grid-template-columns: 1fr; gap: .2rem; padding: 1.1rem 1.25rem 1.4rem; }
  .formula-callout { min-height: 0; }
  .formula-image figcaption { max-width: calc(100% - 2rem); font-size: .72rem; }
  .formula-copy { padding: 3rem 1.25rem 4rem; }
  .formula-copy > p:not(.eyebrow), .platform-copy > p:last-child, .section-head > p:last-child, .team-head > p:last-child, .actives-intro > p:last-child { font-size: 1rem; line-height: 1.6; }
  .active-card { min-height: 210px; padding: 1.5rem; }
  .active-card h3 { margin-top: 3.5rem; }
  .science-flow small { font-size: .95rem; line-height: 1.55; }
  .research-story { margin-top: 3.5rem; }
  .science-evidence .research-story { margin-top: 0; }
  .research-story > p { font-size: 1rem; line-height: 1.6; }
  .contact-intro { margin-top: -1rem; }
  .contact-paths { margin-top: .5rem; }
  .contact-path { min-height: 150px; }
  .team-portrait-strip { scroll-snap-type: x mandatory; }
  .team-member { scroll-snap-align: start; }
  .team-swipe-hint { position: sticky; left: 1.5rem; width: max-content; display: flex; align-items: center; gap: .8rem; margin: .4rem 0 0 1.5rem; color: var(--blue); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
  .team-swipe-hint span { font-size: 1.05rem; }
  .age-actions { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; justify-content: flex-start; }
  .adult-note, .copyright { grid-column: 1; text-align: left; margin-top: 0; }
  .legal-hero { min-height: 72svh; }
  .legal-hero h1 { font-size: clamp(4.5rem, 23vw, 7rem); }
  .legal-hero > p:not(.eyebrow) { margin-left: 0; }
  .legal-jump { grid-template-columns: 1fr; }
  .legal-content { padding-top: 4rem; }
  .legal-index { grid-template-columns: 1fr; }
  .legal-index .eyebrow, .legal-updated { grid-column: 1; }
  .legal-grid { grid-template-columns: 1fr; }
  .legal-section h2 { font-size: clamp(4rem, 20vw, 6rem); }
}

/* Apple-inspired chapter storytelling, expressed in SPLASH's own color system. */
.site-header.scrolled { background: rgba(7,29,45,.9); }
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(clamp(7.5rem, 10vw, 9rem) + 1cm);
  background:
    radial-gradient(circle at 82% 10%, rgba(40,86,216,.9), transparent 34%),
    radial-gradient(circle at 18% 48%, rgba(53,177,190,.24), transparent 38%),
    linear-gradient(145deg, #061722 0%, #0a2a43 55%, #102e58 100%);
}
.bubble-field { opacity: .34; }
.bubble { border-color: rgba(255,255,255,.18); background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.3), rgba(255,255,255,.02) 42%, rgba(93,224,210,.13) 70%, transparent 72%); }
.hero-copy { display: block; max-width: 1120px; margin: 0 auto; text-align: center; }
.hero h1 { font-size: clamp(4.8rem, 9.8vw, 10.5rem); line-height: .82; }
.hero h1 em { color: #77e0cf; }
.hero-intro-wrap { max-width: 790px; margin: 2.25rem auto 0; }
.hero-intro { margin: 0 auto; color: rgba(255,255,255,.76); }
.hero-actions { width: 100%; margin: 1.8rem auto 0; }
.hero-actions .button-light { background: var(--mint); color: var(--ink); border-color: var(--mint); }
.hero-actions .button:hover { background: var(--sun); color: var(--ink); border-color: var(--sun); }
.hero-products { margin-top: clamp(5rem, 9vw, 8rem); gap: 1rem; }
.hero-product { padding: 1rem; border: 0; border-radius: 3.25rem; background: rgba(255,255,255,.97); color: var(--ink); box-shadow: 0 2rem 7rem rgba(0,0,0,.22); }
.hero-product:hover { border-color: transparent; }
.hero-product .product-label { padding: 1rem 1.2rem 1.25rem; font-weight: 800; }
.hero-product > p { margin: 1.15rem 1.2rem .75rem; color: #52636f; font-size: 1rem; }
.hero-product .product-visual { border-radius: 2.35rem; }
.platform-lockup { min-height: 4.3rem; background: var(--sun); color: var(--ink); border: 0; box-shadow: none; }
.hero-close > p { color: rgba(255,255,255,.52); }
.hero-close { margin-top: clamp(3rem, 7vw, 6rem); }

.story { background: var(--mint); }
.story-head h2 { max-width: 930px; }
.story-head h2 em { color: var(--blue); }
.story-shift { border: 0; background: rgba(255,255,255,.55); box-shadow: 0 1.5rem 5rem rgba(7,29,45,.08); }
.story-shift .story-now { background: var(--blue); }
.story-shift > b { color: var(--blue); }
.story-transition-note strong:first-child { color: var(--blue); }

.products { padding-inline: clamp(.8rem, 2vw, 2rem); background: #f5f5f7; }
.section-head { max-width: 1240px; margin-inline: auto; }
.section-head h2 { font-size: clamp(4rem, 8vw, 8.5rem); }
.product-switcher { max-width: 1440px; margin-inline: auto; box-shadow: 0 2.5rem 7rem rgba(7,29,45,.1); }
.product-tab span, .stage-kicker { color: var(--blue); }

.platform { background: #ece9ff; color: var(--ink); }
.formula-hero { background: #f4f1ff; }
.formula-copy h2 em { color: var(--blue); }
.formula-copy .eyebrow, .platform-copy .eyebrow { color: var(--blue); }
.formula-formats span { border-color: rgba(7,29,45,.25); background: rgba(255,255,255,.45); }
.reaction-orbit { border-color: rgba(7,29,45,.14); }
.reaction-orbit::before, .reaction-orbit::after { border-color: rgba(7,29,45,.1); }
.reaction-orbit > span { border-color: rgba(7,29,45,.26); background: rgba(255,255,255,.35); }
.orbit-center { background: var(--sun); color: var(--ink); }
.platform-copy { margin-inline: auto; text-align: center; }
.platform-copy > p:last-child { margin-inline: auto; color: #52636f; }
.dimension-grid { gap: 1rem; border: 0; }
.dimension { min-height: 310px; border: 0; border-radius: var(--radius); background: white; box-shadow: 0 1.3rem 4rem rgba(35,32,85,.08); }
.dimension:nth-child(2) { background: var(--mint); }
.dimension:nth-child(3) { background: var(--sun); }
.dimension span { color: var(--blue); font-weight: 800; }
.dimension p { color: #465864; }
.dimension:hover { background: var(--blue); color: white; transform: translateY(-.35rem); }

.actives { background: var(--ink); color: white; }
.actives-intro { margin-inline: auto; text-align: center; }
.actives-intro h2 em { color: var(--sun); }
.actives-intro > p:last-child { margin-inline: auto; color: rgba(255,255,255,.7); }
.active-spectrum { gap: 1rem; border: 0; background: transparent; }
.active-card { border-radius: var(--radius); background: var(--mint); color: var(--ink); }
.active-card:nth-child(2), .active-card:nth-child(7) { background: var(--lilac); }
.active-card:nth-child(3), .active-card:nth-child(8) { background: var(--sun); }
.active-card:nth-child(4), .active-card:nth-child(5) { background: var(--sky); }
.active-card:nth-child(6) { background: #ffb49f; }
.active-card span { color: var(--blue); }
.active-card p { color: #42545f; }
.active-card:hover { background: var(--blue); color: white; transform: translateY(-.35rem); }

.science { background: #eaf4ff; }
.science-title { text-align: center; }
.research-story { background: var(--blue); box-shadow: 0 2rem 6rem rgba(40,86,216,.18); }
.research-time strong { color: var(--sun); }
.research-story > p { color: rgba(255,255,255,.78); }
.patent-number strong { color: var(--blue); }
.science-flow { background: white; }
.science-flow span, .science-flow b { color: var(--blue); }

.team { background: var(--paper); }
.team-head h2 em { color: var(--blue); }
.team-photo-frame { border-radius: 0; }

.contact { background: var(--blue); }
.contact-paths { gap: 1rem; border: 0; }
.contact-path { border: 0; border-radius: 1.5rem; background: rgba(255,255,255,.1); }
.contact-path:hover { background: var(--mint); color: var(--ink); }
footer { background: var(--ink); }

.legal-header { background: rgba(7,29,45,.94); }
.legal-hero { background: linear-gradient(145deg, #071d2d, #2856d8); }
.legal-hero h1 em, .legal-section a, .legal-index > a span { color: var(--sun); }
.legal-orbit::after { background: var(--sun); box-shadow: 0 0 8rem rgba(255,211,78,.25); }
.legal-page { background: var(--paper); }

@media (max-width: 980px) {
  .hero-products { margin-top: clamp(4rem, 10vw, 6rem); }
  .hero-copy { text-align: left; }
  .hero-intro-wrap { margin-left: 0; }
  .hero-intro { margin-left: 0; }
  .platform-copy { text-align: left; }
  .platform-copy > p:last-child { margin-left: 0; }
}

@media (max-width: 680px) {
  .hero { padding-top: 8.5rem; }
  .hero h1 { font-size: clamp(3.6rem, 17.5vw, 5.4rem); }
  .hero-products { margin-top: 4rem; }
  .dimension-grid, .active-spectrum { gap: .8rem; }
  .dimension, .active-card { border-radius: 1.3rem; }
  .showcase-intro { margin-bottom: 4rem; padding-inline: .45rem; }
  .showcase-intro h2 { font-size: clamp(3.6rem, 17vw, 5rem); }
  .product-chapter { min-height: auto; border-radius: 2rem; }
  .product-chapter-copy { padding: 3.5rem 1.25rem 1rem; }
  .product-chapter h3 { font-size: clamp(3.4rem, 16vw, 5rem); line-height: .84; }
  .product-chapter-copy > p:last-child { font-size: 1rem; }
  .pouch-chapter-visual { min-height: 280px; }
  .pouch-chapter-visual img { top: 50%; width: 100%; }
  .air-chapter-visual { min-height: 430px; }
  .air-chapter-visual img { padding: .75rem; object-position: center; }
  .chapter-visual figcaption { width: calc(100% - 2rem); font-size: .72rem; }
}

/* Focused clarity updates within the existing SPLASH chapter design. */
section[id], .science-overview { scroll-margin-top: 90px; }
.science-overview { max-width: 1050px; margin: clamp(2.5rem, 5vw, 5rem) auto; padding: clamp(1.5rem, 4vw, 3.5rem); border-radius: var(--radius); background: rgba(255,255,255,.82); }
.science-overview .eyebrow { color: var(--blue); }
.science-overview h3 { margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; letter-spacing: -.045em; }
.science-overview-intro { max-width: 650px; margin: 1.25rem 0 2rem; color: #52636f; line-height: 1.65; }
.science-overview details { border-top: 1px solid rgba(7,29,45,.15); }
.science-overview summary { position: relative; padding: 1.25rem 2rem 1.25rem 0; cursor: pointer; list-style: none; font-weight: 700; line-height: 1.4; }
.science-overview summary::-webkit-details-marker { display: none; }
.science-overview summary::after { content: '+'; position: absolute; right: .25rem; top: 1.1rem; color: var(--blue); font-size: 1.4rem; font-weight: 400; }
.science-overview details[open] summary::after { content: '−'; }
.science-overview summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: .25rem; }
.science-overview details p { max-width: 740px; margin: 0 0 1.5rem; color: #52636f; line-height: 1.65; }
.science-answer { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(1.25rem, 3vw, 2.5rem); padding: .25rem 0 1.5rem; }
.science-answer > div { min-width: 0; }
.science-answer h4 { margin: 0 0 .75rem; color: var(--blue); font-size: .875rem; font-weight: 750; line-height: 1.4; }
.science-overview .science-answer p { margin: 0; font-size: 1rem; }
.science-relevance { padding-left: clamp(1.25rem, 3vw, 2.5rem); border-left: 1px solid rgba(7,29,45,.15); }
@media (max-width: 680px) {
  .science-answer { grid-template-columns: 1fr; gap: 1.25rem; }
  .science-relevance { padding: 1.25rem 0 0; border-left: 0; border-top: 1px solid rgba(7,29,45,.1); }
}
.science-overview-actions { display: flex; flex-wrap: wrap; gap: .5rem 2rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(7,29,45,.15); }
.science-overview-actions a { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; color: var(--blue); font-weight: 700; text-underline-offset: .25em; }
.science-overview-actions a:hover { text-decoration: underline; }
.contact-path strong { overflow-wrap: anywhere; }

@media (max-width: 680px) {
  .hero { padding-top: 7.5rem; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5rem); line-height: .9; }
  .hero-intro-wrap { margin-top: 1.75rem; }
  .hero-actions { margin-top: 1.5rem; }
  .showcase-intro { margin-bottom: 2.5rem; }
  .showcase-intro h2 { font-size: clamp(2.8rem, 14vw, 4.5rem); line-height: .94; }
  .showcase-intro > p:not(.eyebrow) { margin-top: 1.25rem; }
  .product-chapter-copy { padding-top: 2.5rem; }
  .product-chapter h3 { font-size: clamp(2.8rem, 13.5vw, 4.5rem); line-height: .94; }
  .product-chapter-copy > p:last-child { margin-top: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .formula-callout span, .formula-callout i, .formula-callout i::before, .formula-callout i::after { opacity: 1; transform: none !important; transition: none; }
  .pouch-train { animation: none !important; transform: none; }
  .stage-image.air-stage img { animation: none !important; transform: scale(.9); filter: none; }
}

/* Editorial refinements: preserve the established visual system. */
.evidence-link { color: var(--blue); text-decoration: underline; text-underline-offset: .2em; }
.mobile-partner-link { display: none; }
@media (max-width: 1120px) { .site-header.menu-open .mobile-partner-link { display: block; color: var(--mint); } }

/* The Oral Alliance partnership pathway */
.alliance { grid-column: 1 / -1; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid rgba(255,255,255,.24); border-radius: var(--radius); background: rgba(255,255,255,.06); }
.alliance h3 { margin: .8rem 0 1.5rem; font-size: clamp(2.2rem, 4.5vw, 4rem); line-height: 1.05; letter-spacing: -.045em; }
.alliance-lead { max-width: 760px; font-size: 1.15rem; line-height: 1.6; }
.alliance-strengths { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 2rem 0; }
.alliance h4 { margin: 0 0 .7rem; font-size: 1.2rem; }
.alliance-strengths p, .alliance-next { color: rgba(255,255,255,.82); line-height: 1.65; }
.alliance-route { display: flex; flex-wrap: wrap; gap: .8rem; border-top: 1px solid rgba(255,255,255,.24); padding-top: 1.5rem; font-weight: 700; line-height: 1.6; }
.alliance-next { margin-bottom: 0; max-width: 760px; }
@media (max-width: 680px) { .alliance-strengths { grid-template-columns: 1fr; gap: 1rem; } .alliance-lead { font-size: 1rem; } }

/* CEO perspective */
.ceo-note { background: #fff; scroll-margin-top: 90px; }
.ceo-note-layout { display: grid; grid-template-columns: minmax(180px, .65fr) 1.6fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; max-width: 1120px; margin: auto; }
.ceo-note-person { max-width: 280px; }
.ceo-note-person .team-photo-frame { border-radius: var(--radius); overflow: hidden; }
.ceo-note-person > p { color: #657078; line-height: 1.6; margin-top: 1.2rem; }
.ceo-note-person strong { color: var(--ink); }
.ceo-note-copy h2 { margin: 1rem 0 2rem; font-size: clamp(2.5rem, 5vw, 4.6rem); line-height: 1.02; letter-spacing: -.055em; }
.ceo-note-copy > p:not(.eyebrow) { color: #59636b; font-size: 1.08rem; line-height: 1.75; margin: 0 0 1.25rem; }
@media (max-width: 680px) { .ceo-note-layout { grid-template-columns: 1fr; } .ceo-note-person { max-width: 170px; } }


/* Product comparisons: quiet, editorial, and readable at every size. */
.product-comparison { width:100%; margin: 0 0 clamp(3rem,7vw,7rem); font-family:"Avenir Next",Avenir,"Helvetica Neue",Arial,sans-serif; }
.comparison-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); overflow:hidden; border-radius:24px; }
.comparison-panel { text-align:center; padding:clamp(2rem,4vw,4rem) clamp(1rem,2.4vw,2.5rem); min-width:0; }
.comparison-before { background:#071d3b; color:#fff; }
.comparison-after { background:#fff; color:#071d2d; }
.comparison-panel h4 { font-size:clamp(1.65rem,3.3vw,3.4rem); line-height:1.12; letter-spacing:-.045em; margin:0 0 1rem; font-weight:700; }
.comparison-label { text-transform:uppercase; letter-spacing:.1em; font-size:clamp(.75rem,1.15vw,.95rem); font-weight:600; line-height:1.5; margin:0; min-height:3em; }
.comparison-product { height:clamp(230px,31vw,430px); margin:1.5rem auto 2rem; display:flex; justify-content:center; }
.comparison-product img { width:100%; height:100%; object-fit:contain; }
.comparison-features { list-style:none; padding:0; margin:0; display:grid; gap:.65rem; font-size:clamp(1rem,1.55vw,1.45rem); line-height:1.4; letter-spacing:-.025em; }
.comparison-features li { margin:0; }
.comparison-download { text-align:center; margin:1.5rem 0 0; font-size:.95rem; }
.comparison-download a { display:inline-block; padding:.5rem; border-bottom:1px solid currentColor; }
.comparison-download span { opacity:.6; }
.comparison-switch { display:none; }
.comparison-motion .comparison-product,.comparison-motion .comparison-features { opacity:0; transform:translateY(12px); transition:opacity .7s ease,transform .7s ease; }
.comparison-motion.comparison-visible .comparison-product,.comparison-motion.comparison-visible .comparison-features { opacity:1; transform:none; }
.comparison-motion .comparison-features { transition-delay:.15s; }
@media(max-width:680px) {
 .comparison-grid { grid-template-columns:1fr; border-radius:20px; }
 .comparison-ready .comparison-switch { display:flex; justify-content:center; gap:4px; width:fit-content; max-width:100%; margin:0 auto 1rem; padding:4px; border-radius:999px; background:#e6e9ee; }
 .comparison-switch button { border:0; border-radius:999px; padding:.8rem 1rem; background:transparent; color:#071d3b; cursor:pointer; font-size:.875rem; font-weight:600; }
 .comparison-switch button[aria-pressed="true"] { background:#071d3b; color:white; }
 .comparison-panel { padding:2rem 1.1rem; }
 .comparison-panel h4 { font-size:clamp(1.8rem,7vw,2.6rem); }
 .comparison-label { font-size:.875rem; }
 .comparison-product { height:300px; margin:1rem auto 1.75rem; }
 .comparison-features { min-height:7.2em; font-size:1.1rem; }
 .comparison-ready .comparison-panel[hidden] { display:none; }
}
@media(prefers-reduced-motion:reduce) {
 .comparison-motion .comparison-product,.comparison-motion .comparison-features { opacity:1; transform:none; transition:none; }
}

.alliance-heading { display:flex; align-items:center; justify-content:space-between; gap:2rem; }
.alliance-badge { width:190px; height:auto; flex-shrink:0; }
@media(max-width:680px) {
  .alliance-heading { flex-direction:column; align-items:flex-start; gap:0; }
  .alliance-badge { width:160px; margin:0 0 1.5rem; }
}

.alliance-badge-group { width:190px; flex-shrink:0; text-align:center; }
.alliance-badge-caption { margin:8px 0 0; color:#fff; font-family:"Avenir Next",sans-serif; font-size:12px; line-height:1.45; text-align:center; }
@media(max-width:680px) {
 .alliance-badge-group { width:160px; margin:0 0 1.5rem; }
 .alliance-badge-group .alliance-badge { margin:0; }
}