:root {
  --forest: #102018;
  --forest-deep: #09140f;
  --paper: #f1ebdf;
  --paper-deep: #e5dccb;
  --ink: #17251d;
  --ink-soft: #536055;
  --moss: #7b8b73;
  --acid: #d7ee96;
  --copper: #c6845d;
  --line: rgba(23, 37, 29, .17);
  --line-light: rgba(241, 235, 223, .2);
  --display: "Satoshi", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --serif: "Cormorant Garamond", "Baskerville", Georgia, serif;
  --mono: "DM Mono", "Courier New", monospace;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--display); font-size: 15px; line-height: 1.55; overflow-x: hidden; }
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
figure, p, h1, h2, h3 { margin: 0; }
address { font-style: normal; }
.site-main { overflow-x: clip; }
.section-shell { width: min(calc(100% - 88px), 1320px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 11px 14px; color: var(--forest); background: var(--acid); font: 11px var(--mono); text-transform: uppercase; transform: translateY(-180%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.scroll-progress { position: fixed; z-index: 90; top: 0; left: 0; width: 100%; height: 2px; pointer-events: none; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--acid); }

.site-header { position: fixed; z-index: 50; top: 0; left: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; width: 100%; padding: 23px 44px; color: var(--paper); transition: color .35s ease, background .35s ease, padding .35s ease, border-color .35s ease; }
.site-header.is-scrolled { padding-top: 15px; padding-bottom: 15px; }
.site-header.is-light { color: var(--ink); background: rgba(241, 235, 223, .88); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.wordmark { display: inline-flex; flex-direction: column; gap: 4px; width: max-content; line-height: 1; }
.wordmark-name { font-size: 21px; font-weight: 700; letter-spacing: .22em; }
.wordmark-sub, .header-note, .site-nav, .hero-kicker, .hero-footer, .eyebrow, .section-rule, .text-link, .button, .hero-art-caption, .hero-art-coordinate, .step-index, .solution-index, .solution-detail, .method-step p, .global-route, .site-footer { font: 10px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.wordmark-sub { font-size: 8px; letter-spacing: .1em; opacity: .65; }
.header-note { justify-self: center; opacity: .7; }
.site-nav { display: flex; align-items: center; justify-self: end; gap: 25px; }
.site-nav a { opacity: .72; transition: opacity .25s ease, color .25s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper); opacity: 1; }
.site-nav .nav-contact { padding: 11px 13px; color: var(--forest); background: var(--acid); opacity: 1; }
.site-nav .nav-contact span { margin-left: 11px; font-size: 15px; }
.menu-toggle { display: none; justify-self: end; width: 44px; height: 44px; padding: 9px; color: currentColor; background: transparent; border: 1px solid currentColor; }
.menu-toggle span:not(.sr-only) { display: block; height: 1px; margin: 6px 0; background: currentColor; transition: transform .25s ease; }

h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.055em; }
h1 em, h2 em { color: var(--copper); font-style: italic; font-weight: 500; }
h1 { font-size: clamp(3.4rem, 8.3vw, 9.2rem); line-height: .84; }
h2 { font-size: clamp(3.15rem, 7vw, 7.2rem); line-height: .84; }
h3 { font-size: 21px; font-weight: 500; line-height: 1.1; }
.eyebrow { margin-bottom: 28px; color: var(--moss); }
.eyebrow::before { content: ""; display: inline-block; width: 30px; height: 1px; margin: 0 10px 3px 0; background: currentColor; }
.eyebrow-light { color: var(--acid); }
.section-rule { display: flex; justify-content: space-between; gap: 24px; padding: 19px 0; color: var(--moss); border-top: 1px solid var(--line); }
.dark-section .section-rule { border-color: var(--line-light); }
.text-link { display: inline-flex; align-items: center; gap: 13px; padding-bottom: 8px; color: var(--ink); border-bottom: 1px solid currentColor; transition: color .25s ease, gap .25s ease; }
.text-link span { font-size: 18px; line-height: .5; }
.text-link:hover, .text-link:focus-visible { color: var(--copper); gap: 18px; }
.text-link-light { color: var(--paper); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 49px; padding: 14px 17px; border: 1px solid transparent; transition: transform .3s var(--ease), background .3s ease, color .3s ease; }
.button span { font-size: 18px; line-height: .5; }
.button:hover, .button:focus-visible { transform: translateY(-4px); }
.button-acid { color: var(--forest); background: var(--acid); }
.button-acid:hover, .button-acid:focus-visible { color: var(--forest); background: var(--paper); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 4px; }

.hero { position: relative; min-height: 100svh; padding: 142px 0 55px; color: var(--paper); background: var(--forest); overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -23%; right: -8%; width: 64vw; height: 90vh; background: radial-gradient(circle, rgba(215, 238, 150, .13), transparent 66%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .1; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.25'/%3E%3C/svg%3E"); mix-blend-mode: screen; pointer-events: none; }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .92fr) minmax(430px, .88fr); align-items: center; min-height: calc(100svh - 198px); gap: 7vw; }
.hero-copy { position: relative; z-index: 3; padding-bottom: 36px; }
.hero-kicker { margin-bottom: 31px; color: var(--acid); }
.hero-copy h1 { max-width: 810px; }
.hero-line { display: block; color: var(--paper); }
.inline-image { display: inline-block; width: .95em; height: .54em; margin: 0 .08em .04em .02em; overflow: hidden; vertical-align: middle; border-radius: 999px 999px 12px 12px; border: 1px solid rgba(241, 235, 223, .45); transform: rotate(-5deg); }
.inline-image img { filter: saturate(.8) contrast(1.1); }
.hero-lede { max-width: 355px; margin: 35px 0 34px; color: rgba(241, 235, 223, .7); font-size: 16px; line-height: 1.45; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.hero-art { position: relative; height: min(72vh, 760px); min-height: 520px; isolation: isolate; }
.hero-art-shadow { position: absolute; inset: 9% -3% 0 10%; background: rgba(0, 0, 0, .28); filter: blur(40px); transform: rotate(4deg); }
.hero-art-frame { position: absolute; inset: 3% 7% 2% 13%; overflow: hidden; border-radius: 50% 50% 2% 2%; background: var(--paper-deep); }
.hero-art-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(9, 20, 15, .63)); mix-blend-mode: multiply; }
.hero-art-frame img { filter: saturate(.68) contrast(1.08); transform: scale(1.08); }
.hero-canvas-layer { position: absolute; z-index: 3; inset: 0; pointer-events: none; mix-blend-mode: screen; }
#scent-canvas { width: 100%; height: 100%; opacity: .8; }
.hero-orbit { position: absolute; z-index: 4; border: 1px solid rgba(215, 238, 150, .43); border-radius: 50%; pointer-events: none; }
.hero-orbit-a { width: 74%; height: 42%; top: 26%; left: 9%; transform: rotate(-28deg); }
.hero-orbit-b { width: 64%; height: 30%; top: 37%; left: 16%; border-color: rgba(198, 132, 93, .48); transform: rotate(34deg); }
.hero-art-caption, .hero-art-coordinate { position: absolute; z-index: 5; color: var(--acid); }
.hero-art-caption { right: 1%; bottom: 12%; }
.hero-art-coordinate { top: 8%; left: 2%; color: var(--paper); opacity: .58; }
.hero-footer { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; padding-top: 23px; color: rgba(241, 235, 223, .52); border-top: 1px solid var(--line-light); }
.hero-footer span:nth-child(2) { justify-self: center; color: var(--acid); }
.hero-footer span:last-child { justify-self: end; }
.hero-footer b { color: var(--acid); font-size: 16px; font-weight: 400; }

.manifesto { padding-top: 140px; padding-bottom: 160px; }
.manifesto-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .55fr); gap: 10vw; padding-top: 75px; }
.manifesto-title h2 { max-width: 850px; }
.manifesto-body { align-self: end; padding-bottom: 8px; }
.manifesto-body p { max-width: 380px; margin-bottom: 21px; color: var(--ink-soft); }
.manifesto-body .manifesto-lede { color: var(--ink); font-family: var(--serif); font-size: 29px; line-height: 1.05; letter-spacing: -.025em; }
.manifesto-body .text-link { margin-top: 23px; }

.nature { padding-bottom: 170px; }
.dense-grid { display: grid; grid-auto-flow: dense; gap: 2px; }
.nature-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(190px, auto); }
.nature-tile { position: relative; min-height: 235px; overflow: hidden; background: var(--paper-deep); }
.nature-tile-wide { grid-column: span 7; grid-row: span 2; min-height: 610px; }
.nature-copy { grid-column: span 5; padding: clamp(28px, 4vw, 62px); display: flex; flex-direction: column; justify-content: center; }
.nature-copy h2 { max-width: 460px; margin-bottom: 25px; font-size: clamp(3rem, 5vw, 5.4rem); }
.nature-copy p:last-child { max-width: 330px; color: var(--ink-soft); }
.nature-tile-small { grid-column: span 5; min-height: 300px; }
.nature-tile-dark { grid-column: span 7; color: var(--paper); background: var(--forest); }
.nature-tile-quiet { grid-column: span 5; min-height: 300px; }
.nature-tile img { filter: saturate(.72) contrast(1.06); transition: transform 1.1s var(--ease), filter 1.1s ease; }
.nature-tile:hover img, .nature-tile:focus-within img { filter: saturate(.9) contrast(1.08); transform: scale(1.06); }
.nature-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(9, 20, 15, .68)); pointer-events: none; }
.nature-copy::after { display: none; }
.nature-tile figcaption { position: absolute; z-index: 1; right: 24px; bottom: 22px; left: 24px; display: flex; align-items: end; justify-content: space-between; gap: 24px; color: var(--paper); }
.nature-tile figcaption span { font: 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .65; }
.nature-tile figcaption strong { font-size: 16px; font-weight: 400; }

.source-library { padding-bottom: 170px; }
.source-library-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(260px, .55fr); gap: 10vw; padding-bottom: 70px; }
.source-library-heading h2 { max-width: 680px; margin-top: 20px; }
.source-library-heading > p { align-self: end; max-width: 370px; color: var(--ink-soft); }
.source-library-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(180px, auto); }
.source-card { position: relative; min-height: 280px; overflow: hidden; background: var(--paper-deep); }
.source-card-tall { grid-column: span 4; grid-row: span 2; min-height: 580px; }
.source-card-wide { grid-column: span 8; min-height: 280px; }
.source-card:not(.source-card-tall):not(.source-card-wide):not(.source-card-landscape) { grid-column: span 4; min-height: 280px; }
.source-card-landscape { grid-column: span 8; min-height: 280px; }
.source-card img { filter: saturate(.82) contrast(1.03); transition: transform 1.1s var(--ease), filter 1.1s ease; }
.source-card:hover img, .source-card:focus-within img { filter: saturate(1) contrast(1.06); transform: scale(1.05); }
.source-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(9, 20, 15, .7)); pointer-events: none; }
.source-card figcaption { position: absolute; z-index: 1; right: 24px; bottom: 22px; left: 24px; display: flex; align-items: end; justify-content: space-between; gap: 24px; color: var(--paper); }
.source-card figcaption span { font: 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .68; }
.source-card figcaption strong { font-size: 16px; font-weight: 400; }

.dark-section { color: var(--paper); background: var(--forest); }
.science { padding: 150px 0 180px; }
.science-grid { display: grid; grid-template-columns: minmax(270px, .58fr) minmax(0, 1fr); gap: 12vw; }
.science-sticky { align-self: start; position: sticky; top: 130px; }
.science-sticky h2 { margin-bottom: 28px; }
.science-sticky > p:not(.eyebrow) { max-width: 310px; color: rgba(241, 235, 223, .62); }
.science-progress { position: relative; width: 100%; max-width: 260px; height: 1px; margin-top: 70px; background: rgba(241, 235, 223, .22); }
.science-progress span { display: block; width: 0; height: 2px; background: var(--acid); transform-origin: left; }
.science-scrolly { padding-top: 7vh; }
.science-step { display: grid; grid-template-columns: 75px minmax(170px, .72fr) minmax(220px, .9fr); align-items: start; gap: 28px; padding: 36px 0 58px; border-top: 1px solid var(--line-light); }
.science-step:last-child { border-bottom: 1px solid var(--line-light); }
.step-index { padding-top: 7px; color: var(--acid); }
.science-step h3 { margin-bottom: 13px; font-family: var(--serif); font-size: 34px; font-weight: 500; letter-spacing: -.035em; }
.science-step p { max-width: 240px; color: rgba(241, 235, 223, .63); }
.science-step img { height: 250px; filter: saturate(.65); transition: transform 1s var(--ease), filter 1s ease; }
.science-step:hover img { filter: saturate(.95); transform: scale(.97); }

.solutions { display: grid; grid-template-columns: minmax(260px, .55fr) minmax(0, 1fr); gap: 10vw; padding-top: 170px; padding-bottom: 180px; }
.solutions-intro { align-self: start; position: sticky; top: 130px; }
.solutions-intro h2 { margin-bottom: 29px; }
.solutions-intro > p:last-child { max-width: 300px; color: var(--ink-soft); }
.solution-accordion { border-top: 1px solid var(--line); }
.solution-item { position: relative; display: grid; grid-template-columns: 48px minmax(160px, .8fr) minmax(130px, .65fr) 30px; align-items: center; min-height: 102px; gap: 22px; border-bottom: 1px solid var(--line); transition: color .4s ease, min-height .5s var(--ease); }
.solution-item::before { content: ""; position: absolute; inset: 0; background: var(--forest); transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease); }
.solution-item > * { position: relative; z-index: 1; }
.solution-item:hover, .solution-item:focus-visible, .solution-item.is-active { min-height: 160px; color: var(--paper); }
.solution-item:hover::before, .solution-item:focus-visible::before, .solution-item.is-active::before { transform: scaleY(1); }
.solution-index { color: var(--copper); }
.solution-name { font-family: var(--serif); font-size: clamp(26px, 3vw, 42px); letter-spacing: -.035em; }
.solution-detail { color: var(--ink-soft); font-size: 9px; transition: color .4s ease; }
.solution-item:hover .solution-detail, .solution-item:focus-visible .solution-detail, .solution-item.is-active .solution-detail { color: rgba(241, 235, 223, .64); }
.solution-arrow { justify-self: end; font-size: 22px; transition: transform .35s ease; }
.solution-item:hover .solution-arrow, .solution-item:focus-visible .solution-arrow { transform: translate(5px, -5px); }
.solution-image { position: absolute; z-index: 2; top: 50%; right: 60px; width: 110px; height: 140px; overflow: hidden; opacity: 0; pointer-events: none; transform: translate(12px, -50%) rotate(4deg); transition: opacity .45s ease, transform .55s var(--ease); }
.solution-item:hover .solution-image, .solution-item:focus-visible .solution-image, .solution-item.is-active .solution-image { opacity: 1; transform: translate(0, -50%) rotate(-4deg); }
.solution-image img { filter: saturate(.65); }
.solutions-footnote { max-width: 620px; margin: 31px 0 0 auto; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.method { padding-top: 155px; padding-bottom: 175px; }
.method-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, .42fr); gap: 12vw; align-items: end; padding: 68px 0 75px; }
.method-heading p { max-width: 350px; color: var(--ink-soft); }
.method-rail { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.method-step { min-height: 300px; padding: 25px 20px 0 0; border-right: 1px solid var(--line); }
.method-step + .method-step { padding-left: 20px; }
.method-step:last-child { border-right: 0; }
.method-word { display: block; margin-bottom: 92px; color: var(--copper); font-family: var(--serif); font-size: clamp(29px, 3vw, 43px); font-style: italic; letter-spacing: -.04em; }
.method-step p { max-width: 180px; color: var(--ink-soft); font-size: 9px; text-transform: none; letter-spacing: .015em; }

.faq { display: grid; grid-template-columns: minmax(260px, .7fr) minmax(0, 1fr); gap: 12vw; padding-bottom: 175px; }
.faq-heading { align-self: start; position: sticky; top: 130px; }
.faq-heading h2 { max-width: 570px; margin-bottom: 27px; }
.faq-heading > p:last-child { max-width: 315px; color: var(--ink-soft); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { padding: 25px 0 27px; border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding-right: 42px; cursor: pointer; list-style: none; font-family: var(--serif); font-size: clamp(25px, 2.5vw, 36px); line-height: 1.05; letter-spacing: -.035em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 0; right: 0; color: var(--copper); font: 25px var(--mono); transition: transform .3s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { max-width: 590px; margin: 23px 50px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.faq-list details a { color: var(--ink); border-bottom: 1px solid currentColor; }

.studies { padding-bottom: 170px; }
.studies-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .45fr); align-items: end; gap: 12vw; padding-bottom: 75px; }
.studies-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -30px; }
.studies-heading h2 { max-width: 690px; }
.studies-heading > p:last-child { max-width: 320px; color: var(--ink-soft); }
.study-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(260px, auto); }
.study-card { position: relative; grid-column: span 7; min-height: 370px; overflow: hidden; background: var(--paper-deep); }
.study-card-tall { grid-column: span 5; grid-row: span 2; min-height: 730px; }
.study-card-wide { grid-column: span 7; }
.study-card > div { position: absolute; inset: 0; }
.study-card img { object-fit: contain; padding: 10%; filter: saturate(.7); transition: transform 1s var(--ease), filter 1s ease; }
.study-card:not(.study-card-wide) img { background: linear-gradient(140deg, #d4ccbd, #f5f0e7); }
.study-card-wide img { object-fit: cover; padding: 0; }
.study-card:hover img { filter: saturate(1); transform: scale(1.06); }
.study-card::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(9, 20, 15, .75)); }
.study-card figcaption { position: absolute; z-index: 1; right: 23px; bottom: 21px; left: 23px; display: flex; justify-content: space-between; align-items: end; gap: 20px; color: var(--paper); }
.study-card figcaption span { font-family: var(--serif); font-size: 25px; }
.study-card figcaption small { font: 9px var(--mono); letter-spacing: .06em; text-transform: uppercase; opacity: .7; }

.global-section { padding-bottom: 175px; }
.global-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .5fr); gap: 12vw; padding-top: 120px; border-top: 1px solid var(--line); }
.global-copy h2 { margin-bottom: 27px; }
.global-copy > p:not(.eyebrow) { max-width: 390px; color: var(--ink-soft); }
.global-route { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; margin-top: 60px; color: var(--copper); }
.global-route i { display: block; width: 28px; height: 1px; background: var(--copper); }
.global-contact { padding-top: 8px; }
.global-contact .eyebrow { margin-bottom: 27px; }
.global-contact > a:not(.map-link) { display: block; width: max-content; margin-bottom: 13px; font-family: var(--serif); font-size: 26px; letter-spacing: -.025em; transition: color .25s ease; }
.global-contact > a:hover, .global-contact > a:focus-visible { color: var(--copper); }
.global-contact address { margin-top: 37px; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.global-contact .map-link { display: inline-flex; margin-top: 22px; padding-bottom: 7px; border-bottom: 1px solid currentColor; font: 10px var(--mono); letter-spacing: .07em; text-transform: uppercase; }

.contact { padding: 160px 0 150px; }
.contact-inner { text-align: center; }
.contact-inner h2 { max-width: 1000px; margin: 0 auto 54px; font-size: clamp(4rem, 10vw, 10.5rem); }
.contact-actions { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.contact-actions > span { color: rgba(241, 235, 223, .58); font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; padding-top: 22px; padding-bottom: 22px; color: var(--ink-soft); border-top: 1px solid var(--line); }
.site-footer span:nth-child(2) { justify-self: center; }
.site-footer a { justify-self: end; transition: color .25s ease; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--copper); }

.whatsapp-float { position: fixed; z-index: 80; right: 24px; bottom: 24px; display: grid; place-items: center; width: 58px; height: 58px; color: #fff; background: #25d366; border: 1px solid rgba(255, 255, 255, .65); border-radius: 50%; box-shadow: 0 14px 34px rgba(9, 20, 15, .28); transition: transform .3s var(--ease), background .3s ease, box-shadow .3s ease; }
.whatsapp-float::before { content: ""; position: absolute; inset: -7px; border: 1px solid rgba(37, 211, 102, .45); border-radius: inherit; opacity: .75; transition: transform .3s ease, opacity .3s ease; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { color: #fff; background: #1ebe5d; transform: translateY(-5px); box-shadow: 0 18px 40px rgba(9, 20, 15, .36); }
.whatsapp-float:hover::before, .whatsapp-float:focus-visible::before { opacity: 1; transform: scale(1.08); }
.whatsapp-icon { position: relative; z-index: 1; width: 28px; height: 28px; }
.whatsapp-tooltip { position: absolute; right: 70px; bottom: 50%; width: min(310px, calc(100vw - 115px)); padding: 13px 15px; color: var(--paper); background: var(--forest); border: 1px solid rgba(215, 238, 150, .5); font: 11px/1.45 var(--mono); letter-spacing: .02em; text-transform: none; opacity: 0; pointer-events: none; visibility: hidden; transform: translate(8px, 50%); transition: opacity .25s ease, transform .25s ease, visibility .25s ease; }
.whatsapp-tooltip::after { content: ""; position: absolute; top: 50%; right: -6px; width: 10px; height: 10px; background: var(--forest); border-top: 1px solid rgba(215, 238, 150, .5); border-right: 1px solid rgba(215, 238, 150, .5); transform: translateY(-50%) rotate(45deg); }
.whatsapp-float:hover .whatsapp-tooltip, .whatsapp-float:focus-visible .whatsapp-tooltip { opacity: 1; visibility: visible; transform: translate(0, 50%); }

.reveal { opacity: 0; transform: translateY(28px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity .8s ease, transform .9s var(--ease); }
[data-split-copy] .split-word { display: inline-block; opacity: .12; transform: translateY(.18em); }

@media (max-width: 980px) {
  .section-shell { width: min(calc(100% - 52px), 740px); }
  .site-header { grid-template-columns: 1fr auto; padding: 20px 26px; }
  .header-note { display: none; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 100; display: flex; visibility: hidden; width: 100vw; height: 100dvh; flex-direction: column; align-items: flex-start; justify-content: center; gap: 19px; padding: 100px 26px 50px; color: var(--paper); background: var(--forest); font-size: 16px; opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity .35s ease, transform .35s ease, visibility .35s ease; }
  .site-header.nav-open .site-nav { visibility: visible; opacity: 1; pointer-events: auto; transform: none; }
  .site-header.nav-open .menu-toggle { position: relative; z-index: 101; }
  .site-header.nav-open .menu-toggle span:not(.sr-only):first-child { transform: translateY(7px) rotate(45deg); }
  .site-header.nav-open .menu-toggle span:not(.sr-only):nth-child(2) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding-top: 120px; }
  .hero-layout { grid-template-columns: 1fr; gap: 45px; min-height: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero-copy h1 { max-width: 690px; }
  .hero-art { width: min(100%, 600px); height: 65vh; min-height: 480px; margin-left: auto; }
  .manifesto-grid, .solutions, .science-grid, .method-heading, .studies-heading, .global-grid, .faq { grid-template-columns: 1fr; gap: 50px; }
  .science-sticky, .solutions-intro, .faq-heading { position: static; }
  .method-rail { overflow-x: auto; grid-template-columns: repeat(5, minmax(180px, 1fr)); }
  .science-step { grid-template-columns: 55px 1fr 180px; }
  .studies-heading .eyebrow { margin-bottom: 0; }
}

@media (max-width: 640px) {
  .section-shell { width: min(calc(100% - 36px), 520px); }
  .site-header { padding: 17px 18px; }
  .wordmark-name { font-size: 18px; }
  .wordmark-sub { font-size: 7px; }
  .hero { padding-top: 105px; padding-bottom: 32px; }
  .hero-layout { gap: 25px; }
  .hero-kicker { margin-bottom: 24px; font-size: 8px; }
  h1 { font-size: clamp(3.25rem, 15vw, 5.8rem); line-height: .86; }
  h2 { font-size: clamp(3.1rem, 14vw, 5rem); }
  .hero-lede { max-width: 300px; margin-top: 28px; font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-art { height: 66vh; min-height: 410px; }
  .hero-art-frame { inset: 4% 0 3% 12%; }
  .hero-art-caption { right: 0; bottom: 8%; }
  .hero-art-coordinate { top: 8%; left: 0; }
  .hero-footer { grid-template-columns: 1fr 1fr; padding-top: 17px; font-size: 8px; }
  .hero-footer span:nth-child(2) { justify-self: end; }
  .hero-footer span:last-child { display: none; }
  .manifesto { padding-top: 100px; padding-bottom: 115px; }
  .section-rule { flex-direction: column; gap: 6px; padding: 15px 0; font-size: 8px; }
  .manifesto-grid { padding-top: 52px; }
  .manifesto-body .manifesto-lede { font-size: 26px; }
  .nature { padding-bottom: 110px; }
  .nature-grid { display: flex; flex-direction: column; gap: 2px; }
  .nature-tile-wide { min-height: 430px; }
  .nature-copy { min-height: 360px; }
  .nature-tile-small, .nature-tile-dark, .nature-tile-quiet { min-height: 280px; }
  .source-library { padding-bottom: 110px; }
  .source-library-heading { display: flex; flex-direction: column; gap: 27px; padding-bottom: 54px; }
  .source-library-grid { display: flex; flex-direction: column; gap: 2px; }
  .source-card, .source-card-wide, .source-card-landscape { min-height: 300px; }
  .source-card-tall { min-height: 430px; }
  .science { padding: 110px 0 120px; }
  .science-scrolly { padding-top: 0; }
  .science-step { display: flex; flex-direction: column; gap: 18px; padding: 28px 0 39px; }
  .science-step img { width: 100%; height: 220px; }
  .science-step h3 { font-size: 31px; }
  .solutions { padding-top: 110px; padding-bottom: 120px; gap: 48px; }
  .solution-item { grid-template-columns: 27px 1fr 23px; min-height: 83px; gap: 10px; }
  .solution-item:hover, .solution-item:focus-visible, .solution-item.is-active { min-height: 128px; }
  .solution-detail { display: none; }
  .solution-name { font-size: 31px; }
  .solution-image { right: 36px; width: 75px; height: 94px; }
  .solutions-footnote { margin-top: 24px; font-size: 12px; }
  .method { padding-top: 105px; padding-bottom: 115px; }
  .method-heading { padding: 52px 0 58px; gap: 28px; }
  .method-rail { margin-right: -18px; padding-bottom: 10px; }
  .method-step { min-height: 250px; padding-right: 16px; }
  .method-step + .method-step { padding-left: 16px; }
  .method-word { margin-bottom: 70px; font-size: 31px; }
  .faq { padding-bottom: 110px; gap: 48px; }
  .faq-heading h2 { max-width: 490px; }
  .faq-list details { padding: 21px 0 23px; }
  .faq-list summary { font-size: 30px; }
  .faq-list details p { margin-right: 20px; font-size: 13px; }
  .studies { padding-bottom: 110px; }
  .studies-heading { padding-bottom: 54px; gap: 27px; }
  .study-grid { display: flex; flex-direction: column; gap: 2px; }
  .study-card, .study-card-tall, .study-card-wide { min-height: 360px; }
  .study-card-tall { min-height: 490px; }
  .global-section { padding-bottom: 110px; }
  .global-grid { padding-top: 80px; gap: 70px; }
  .global-route { gap: 7px; margin-top: 42px; font-size: 8px; }
  .global-route i { width: 13px; }
  .global-contact > a:not(.map-link) { font-size: 23px; }
  .contact { padding: 110px 0 105px; }
  .contact-inner h2 { font-size: clamp(3.4rem, 15vw, 5.8rem); }
  .site-footer { grid-template-columns: 1fr; gap: 12px; padding-top: 18px; padding-bottom: 18px; font-size: 8px; }
  .site-footer span:nth-child(2), .site-footer a { justify-self: start; }
  .whatsapp-float { right: 18px; bottom: 18px; width: 54px; height: 54px; }
  .whatsapp-tooltip { right: 64px; width: min(270px, calc(100vw - 100px)); font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  [data-split-copy] .split-word { opacity: 1; transform: none; }
}