/* Cascadia Biotech
   Palette: ink, paper, accent. Everything else is one of those at reduced opacity. */

:root {
  --ink: #0c0e0f;
  --paper: #ecede8;
  --accent: #7bdcc3;

  --paper-70: rgba(236, 237, 232, 0.7);
  --paper-50: rgba(236, 237, 232, 0.5);
  --paper-12: rgba(236, 237, 232, 0.12);
  --ink-60: rgba(12, 14, 15, 0.6);
  --ink-12: rgba(12, 14, 15, 0.12);

  --font: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --gutter: clamp(20px, 3.6vw, 56px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
::selection { background: var(--accent); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* Photography is shown in black and white to stay inside the palette. */
.pcard img, .lab img, .careers img { filter: grayscale(1) contrast(1.08) brightness(0.92); }

.eyebrow { font-size: 15px; color: var(--paper-50); margin-bottom: 28px; }
.h2 { font-size: clamp(2.6rem, 5.4vw, 6rem); font-weight: 400; line-height: 1; letter-spacing: -0.045em; }

.line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.line__in { display: inline-block; }

.gl {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0; pointer-events: none;
}
main, .footer { position: relative; z-index: 1; }

/* Reveal on enter (IntersectionObserver adds .is-in) */
.js [data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; height: 48px; padding: 0 24px;
  border-radius: 999px; font-size: 15px; font-weight: 500; white-space: nowrap;
  transition: background 0.4s, color 0.4s, border-color 0.4s;
}
.btn--solid { background: var(--paper); color: var(--ink); }
.btn--solid:hover { background: var(--accent); }
.btn--line { border: 1px solid var(--paper-12); }
.btn--line:hover { border-color: var(--paper); }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 48px;
  padding: 20px var(--gutter);
  transition: transform 0.7s var(--ease), background 0.4s, color 0.4s;
}
.nav.is-hidden { transform: translateY(-110%); }
.nav.is-scrolled { background: rgba(12, 14, 15, 0.72); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.nav.is-light { color: var(--ink); }
.nav.is-light.is-scrolled { background: rgba(236, 237, 232, 0.8); }
.nav.is-light .btn--line { border-color: var(--ink-12); }
.nav.is-light .nav__logo img { filter: invert(1) hue-rotate(180deg); }

.nav__logo { display: flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 500; letter-spacing: -0.03em; }
.nav__links { display: flex; gap: 32px; font-size: 15px; margin-left: auto; }
.nav__links a { opacity: 0.6; transition: opacity 0.3s; }
.nav__links a:hover, .nav__links a.is-active { opacity: 1; }
.nav__cta { height: 40px; padding: 0 20px; }

.nav__burger { display: none; width: 44px; height: 44px; position: relative; margin-left: auto; }
.nav__burger i { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform 0.5s var(--ease); }
.nav__burger i:first-child { top: 18px; }
.nav__burger i:last-child { top: 25px; }
.menu-open .nav__burger i:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-open .nav__burger i:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: 99; background: var(--ink);
  padding: 110px var(--gutter) var(--gutter);
  clip-path: inset(0 0 100% 0); transition: clip-path 0.8s var(--ease);
}
.menu-open .menu { clip-path: inset(0 0 0 0); }
.menu__links { display: flex; flex-direction: column; }
.menu__links a {
  font-size: clamp(2.6rem, 11vw, 4.5rem); letter-spacing: -0.04em; line-height: 1.15;
  border-bottom: 1px solid var(--paper-12);
  opacity: 0; transform: translateY(24px); transition: opacity 0.6s, transform 0.8s var(--ease);
}
.menu-open .menu__links a { opacity: 1; transform: none; }
.menu-open .menu__links a:nth-child(2) { transition-delay: 0.05s; }
.menu-open .menu__links a:nth-child(3) { transition-delay: 0.1s; }
.menu-open .menu__links a:nth-child(4) { transition-delay: 0.15s; }
.menu-open .menu__links a:nth-child(5) { transition-delay: 0.2s; }

/* Hero */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  padding: 120px var(--gutter) var(--gutter);
  display: flex; flex-direction: column; justify-content: flex-end; gap: 7vh;
}
.hero__title {
  font-weight: 400;
  font-size: clamp(3.4rem, 10.4vw, 12.5rem);
  line-height: 0.9; letter-spacing: -0.06em;
}
.hero__title .line:nth-child(2) { padding-left: 9vw; }
.hero__bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.hero__lede { max-width: 440px; color: var(--paper-70); }

.js .hero__title .line__in { transform: translateY(110%); transition: transform 1.6s var(--ease); }
.js .hero__title .line:nth-child(2) .line__in { transition-delay: 0.1s; }
.js .hero__title .line:nth-child(3) .line__in { transition-delay: 0.2s; }
.js .hero__bottom { opacity: 0; transition: opacity 1.2s ease 0.5s; }
.is-ready .hero__title .line__in { transform: none; }
.is-ready .hero__bottom { opacity: 1; }

/* Statement */
.statement { min-height: 110vh; padding: 20vh var(--gutter) 14vh; display: flex; align-items: center; }
.statement__text { font-size: clamp(2rem, 4.6vw, 5.2rem); line-height: 1.06; letter-spacing: -0.04em; max-width: 1400px; }
.statement__text .w { opacity: 0.15; }

/* Method (sticky) */
.method { position: relative; height: 500vh; }
.method__pin { position: sticky; top: 0; height: 100vh; padding: 110px var(--gutter) var(--gutter); overflow: hidden; }
.method__chapters { position: absolute; left: var(--gutter); top: 50%; transform: translateY(-50%); width: min(560px, 44vw); height: 50vh; }
.chapter { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 28px; pointer-events: none; }
.chapter > * { opacity: 0; transform: translateY(40px); transition: opacity 0.6s var(--ease), transform 1s var(--ease); }
.chapter.is-active { pointer-events: auto; }
.chapter.is-active > * { opacity: 1; transform: none; }
.chapter.is-active > p { transition-delay: 0.08s; }
.chapter.is-leaving > * { opacity: 0; transform: translateY(-40px); transition-duration: 0.5s; }
.chapter__title { font-weight: 400; font-size: clamp(3rem, 6.4vw, 7.4rem); line-height: 0.95; letter-spacing: -0.05em; }
.chapter p { color: var(--paper-70); max-width: 440px; }

.method__rail { position: absolute; left: var(--gutter); right: var(--gutter); bottom: var(--gutter); display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.method__rail span { font-size: 14px; color: var(--paper-50); display: flex; flex-direction: column; gap: 12px; transition: color 0.4s; }
.method__rail span.is-active { color: var(--paper); }
.method__rail i { display: block; height: 1px; background: var(--paper-12); position: relative; overflow: hidden; }
.method__rail i::after { content: ""; position: absolute; inset: 0; background: var(--accent); transform-origin: 0 50%; transform: scaleX(var(--fill, 0)); }

/* Platforms */
.platform { position: relative; }
.platform__pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; align-items: center; }
.platform__track { display: flex; align-items: center; gap: 4vw; padding: 0 var(--gutter); will-change: transform; }
.platform__intro { flex: 0 0 min(560px, 80vw); padding-right: 4vw; }
.platform__intro p:last-child { color: var(--paper-70); max-width: 380px; margin-top: 28px; }

.pcard {
  flex: 0 0 min(980px, 78vw); height: min(620px, 72vh);
  display: grid; grid-template-columns: 1.15fr 1fr;
  background: var(--ink); border: 1px solid var(--paper-12); border-radius: 20px; overflow: hidden;
  transform-origin: 50% 50%;
}
.pcard__media { position: relative; overflow: hidden; }
.pcard__media img { position: absolute; top: 0; left: -15%; width: 130%; max-width: none; height: 100%; object-fit: cover; }
.pcard__body { padding: clamp(28px, 3.4vw, 52px); display: flex; flex-direction: column; justify-content: flex-end; gap: 16px; }
.pcard h3 { font-weight: 400; font-size: clamp(3rem, 5.4vw, 5.8rem); line-height: 0.95; letter-spacing: -0.05em; }
.pcard__kicker { color: var(--accent); }
.pcard p:not(.pcard__kicker) { color: var(--paper-70); font-size: 16px; }
.platform__end { flex: 0 0 auto; padding: 0 8vw 0 4vw; font-size: clamp(4rem, 10vw, 11rem); letter-spacing: -0.06em; line-height: 0.95; white-space: nowrap; }

/* Pipeline (light) */
.pipeline {
  position: relative; z-index: 2;
  background: var(--paper); color: var(--ink);
  padding: 18vh var(--gutter) 14vh;
  border-radius: 28px 28px 0 0;
  margin-top: 10vh;
}
.pipeline .eyebrow { color: var(--ink-60); }
.pipeline__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 9vh; flex-wrap: wrap; }
.pipeline__sub { color: var(--ink-60); margin-top: 24px; max-width: 460px; }
.pipeline__filters { display: flex; gap: 6px; flex-wrap: wrap; }
.pipeline__filters button { font-size: 14px; padding: 9px 16px; border-radius: 99px; border: 1px solid var(--ink-12); transition: background 0.3s, color 0.3s, border-color 0.3s; }
.pipeline__filters button:hover { border-color: var(--ink); }
.pipeline__filters button.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.ptable { border-top: 1px solid var(--ink); }
.ptable__row {
  display: grid; grid-template-columns: 1.4fr 1.3fr 0.8fr 2.6fr; align-items: center; gap: 24px;
  padding: 26px 0; border-bottom: 1px solid var(--ink-12);
}
.js .ptable__row[data-reveal] { transition: opacity 0.6s, transform 1.2s var(--ease); }
.ptable__row--head { font-size: 14px; color: var(--ink-60); padding: 16px 0; }
.ptable__row.is-dim { opacity: 0.15 !important; }
.ptable__ind { font-size: 20px; letter-spacing: -0.02em; }
.ptable__muted { color: var(--ink-60); }
.ptable__phases { display: grid; grid-template-columns: repeat(3, 1fr); }
.ptable__phases i { font-style: normal; border-left: 1px solid var(--ink-12); padding-left: 10px; }
.ptable__bar { height: 10px; background: var(--ink-12); border-radius: 99px; overflow: hidden; }
.ptable__bar i { display: block; height: 100%; width: calc(var(--p) * 100%); background: var(--ink); border-radius: 99px; transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.8s var(--ease) 0.2s; }
.is-in .ptable__bar i { transform: scaleX(1); }
.pipeline__note { margin-top: 32px; color: var(--ink-60); font-size: 14px; }

/* Film */
.film { position: relative; height: 320vh; background: var(--ink); z-index: 2; }
.film__sticky { position: sticky; top: 0; height: 100vh; display: grid; place-items: center; overflow: hidden; }
.film__title {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  display: flex; align-items: center; justify-content: center; gap: 34vw;
  font-weight: 400; font-size: clamp(3.6rem, 11vw, 13rem); letter-spacing: -0.06em; white-space: nowrap;
}
.film__frame { position: relative; width: 100vw; height: 100vh; overflow: hidden; background: var(--ink); clip-path: inset(30% 35% 30% 35% round 20px); cursor: pointer; }
.film__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.film__vignette { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at center, transparent 50%, rgba(12, 14, 15, 0.8) 100%); }
.film__toggle { position: absolute; right: var(--gutter); bottom: var(--gutter); font-size: 14px; padding: 9px 16px; border: 1px solid var(--paper-12); border-radius: 99px; opacity: 0; transition: opacity 0.4s, border-color 0.3s; }
.film__toggle:hover { border-color: var(--paper); }
.film.is-open .film__toggle { opacity: 1; }
.film__caption { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: var(--paper-50); font-size: 14px; z-index: 3; white-space: nowrap; transition: opacity 0.4s; }
.film.is-open .film__caption { opacity: 0; }

/* Lab */
.lab { position: relative; background: var(--ink); padding: 18vh var(--gutter) 10vh; z-index: 2; }
.lab__head { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 40px; align-items: end; margin-bottom: 12vh; }
.lab__head .eyebrow { align-self: start; margin: 0; }
.lab__head p:last-child { color: var(--paper-70); max-width: 340px; }
.lab__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2vw; row-gap: 10vh; }
.lab__item { display: flex; flex-direction: column; gap: 14px; }
.js .lab__item[data-reveal] { opacity: 1; transform: none; }
.lab__frame { position: relative; overflow: hidden; border-radius: 14px; clip-path: inset(100% 0 0 0 round 14px); transition: clip-path 1.6s var(--ease); }
.lab__item.is-in .lab__frame { clip-path: inset(0 0 0 0 round 14px); }
.lab__frame img { width: 100%; height: 124%; object-fit: cover; translate: 0 var(--py, -10%); scale: 1.2; transition: scale 2s var(--ease) 0.2s; will-change: translate; }
.lab__item.is-in .lab__frame img { scale: 1; }
.lab__item figcaption { color: var(--paper-50); font-size: 14px; }
.lab__item--a { grid-column: 1 / 9; }
.lab__item--a .lab__frame { aspect-ratio: 16 / 9; }
.lab__item--b { grid-column: 9 / 13; margin-top: 24vh; }
.lab__item--b .lab__frame { aspect-ratio: 3 / 4; }
.lab__item--c { grid-column: 2 / 6; }
.lab__item--c .lab__frame { aspect-ratio: 4 / 5; }
.lab__item--d { grid-column: 7 / 13; margin-top: -10vh; }
.lab__item--d .lab__frame { aspect-ratio: 4 / 3; }
.lab__item--e { grid-column: 4 / 10; }
.lab__item--e .lab__frame { aspect-ratio: 21 / 9; }

/* Principles */
.principles { position: relative; background: var(--ink); padding: 14vh var(--gutter); z-index: 2; display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.principles__list li { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: baseline; padding: 36px 0; border-top: 1px solid var(--paper-12); }
.principles__list h3 { font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 3.6rem); line-height: 1.02; letter-spacing: -0.04em; }
.principles__list p { color: var(--paper-70); }

/* Careers */
.careers { position: relative; height: 140vh; background: var(--ink); z-index: 2; overflow: clip; }
.careers__media { position: absolute; inset: 0; clip-path: circle(var(--r, 8%) at 50% 50%); }
.careers__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.42); transform: scale(var(--s, 1.3)); }
.careers__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, var(--ink)); }
.careers__content { position: sticky; top: 0; height: 100vh; padding: 0 var(--gutter); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 28px; }
.careers__content .eyebrow { margin: 0; }
.careers__title { font-weight: 400; font-size: clamp(3.4rem, 8.6vw, 10.5rem); line-height: 0.92; letter-spacing: -0.06em; }
.careers__content > p:not(.eyebrow) { max-width: 460px; color: var(--paper-70); }
.js .careers__title .line__in { transform: translateY(110%); transition: transform 1.4s var(--ease); }
.js .careers__title .line:nth-child(2) .line__in { transition-delay: 0.1s; }
.careers__content.is-in .careers__title .line__in { transform: none; }

/* Footer */
.footer { background: var(--ink); padding: 14vh var(--gutter) 28px; overflow: hidden; z-index: 2; border-top: 1px solid var(--paper-12); }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr; gap: 60px; align-items: end; padding-bottom: 10vh; border-bottom: 1px solid var(--paper-12); }
.footer__cta .eyebrow { margin-bottom: 20px; }
.footer__mail { font-size: clamp(2rem, 5vw, 5.6rem); line-height: 1; letter-spacing: -0.05em; overflow-wrap: anywhere; transition: color 0.3s; }
.footer__mail:hover { color: var(--accent); }
.footer__form { display: flex; flex-direction: column; gap: 14px; }
.footer__form label { color: var(--paper-50); font-size: 15px; }
.footer__field { display: flex; border-bottom: 1px solid var(--paper-12); transition: border-color 0.3s; }
.footer__field:focus-within { border-color: var(--paper); }
.footer__field input { flex: 1; min-width: 0; background: none; border: 0; outline: none; color: var(--paper); font: inherit; font-size: 20px; padding: 14px 0; }
.footer__field input::placeholder { color: var(--paper-50); }
.footer__field svg { width: 24px; height: 24px; fill: none; stroke: var(--paper); stroke-width: 1.5; transition: transform 0.4s var(--ease); }
.footer__field button:hover svg { transform: translateX(5px); }
.footer__msg { min-height: 1.2em; font-size: 14px; color: var(--accent); }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding: 8vh 0; }
.footer__cols > div { display: flex; flex-direction: column; gap: 10px; }
.footer__cols h4 { font-weight: 400; color: var(--paper-50); font-size: 15px; margin-bottom: 8px; }
.footer__cols a { width: max-content; transition: color 0.3s; }
.footer__cols a:hover { color: var(--accent); }
.footer__word {
  display: flex; justify-content: center;
  font-size: 28vw; font-weight: 500; line-height: 0.8; letter-spacing: -0.075em;
  margin: 0 calc(var(--gutter) * -1); padding-top: 0.04em; overflow: hidden;
}
.js .footer__word[data-reveal] { opacity: 1; transform: none; }
.footer__word span { display: inline-block; transform: translateY(100%); transition: transform 1.4s var(--ease); }
.footer__word.is-in span { transform: none; }
.footer__legal { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--paper-12); color: var(--paper-50); font-size: 14px; }
.footer__legal span:nth-child(2) { display: flex; gap: 22px; }
.footer__legal a:hover { color: var(--paper); }

/* Page transition curtain */
.curtain { position: fixed; inset: 0; z-index: 400; background: var(--ink); pointer-events: none; opacity: 1; transition: opacity 0.6s ease; }
.is-ready .curtain { opacity: 0; }
.is-leaving .curtain { opacity: 1; transition-duration: 0.4s; }

/* Home: explore list */
.explore { position: relative; padding: 12vh var(--gutter) 20vh; }
.explore__list { border-top: 1px solid var(--paper-12); }
.explore__row {
  position: relative; display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 32px;
  padding: 34px 0; border-bottom: 1px solid var(--paper-12);
}
.explore__name { font-size: clamp(2.6rem, 6vw, 6.6rem); line-height: 1; letter-spacing: -0.05em; transition: transform 0.7s var(--ease), color 0.4s; }
.explore__desc { color: var(--paper-70); }
.explore__row svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.5; transition: transform 0.6s var(--ease); }
.explore__row:hover .explore__name { transform: translateX(20px); color: var(--accent); }
.explore__row:hover svg { transform: translateX(8px); }
.explore__preview {
  position: fixed; left: 0; top: 0; width: 300px; height: 210px; z-index: 50;
  border-radius: 14px; overflow: hidden; pointer-events: none;
  opacity: 0; scale: 0.7; transition: opacity 0.35s, scale 0.5s var(--ease);
}
.explore__preview img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08); }
.explore__preview.is-on { opacity: 1; scale: 1; }

/* Call to action band */
.cta { position: relative; background: var(--ink); z-index: 2; padding: 18vh var(--gutter); }
.cta__inner { max-width: 1100px; display: flex; flex-direction: column; align-items: flex-start; gap: 0; }
.cta__inner .h2 { margin-bottom: 44px; }

/* Dark button for light sections */
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--accent); color: var(--ink); }
.pipeline__more { margin-top: 40px; }
.platform__end { display: flex; flex-direction: column; align-items: flex-start; gap: 40px; }
.platform__btn { font-size: 15px; letter-spacing: 0; line-height: 1; }


/* ==================================================================
   Inner pages. Each component below appears on exactly one page.
   ================================================================== */

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.zoom, .panels, .spy, .slide, .tabs, .loop, .stack, .reveal-img, .tiles, .timeline, .criteria, .marker,
.strip, .flips, .vsteps, .openings, .mailtiles, .madlib, .faq { position: relative; z-index: 2; background: var(--ink); }

/* Inner heroes: one layout per page */
.hero--page { gap: 5vh; }
.hero--page .hero__title { font-size: clamp(3.2rem, 8.6vw, 10.5rem); }
.hero--page .hero__title .line:nth-child(2) { padding-left: 0; }
.hero__eyebrow { margin: 0; }
.js .hero__eyebrow { opacity: 0; transition: opacity 1.2s ease 0.3s; }
.is-ready .hero__eyebrow { opacity: 1; }

.hero--platforms { align-items: center; text-align: center; }
.hero--platforms .hero__bottom { justify-content: center; }
.hero--platforms .hero__lede { max-width: 520px; }

.hero--pipeline { align-items: flex-end; text-align: right; }
.hero--pipeline .hero__bottom { justify-content: flex-end; }

.hero--careers { justify-content: space-between; padding-top: 18vh; }
.hero--careers .hero__eyebrow { order: -1; }
.hero--careers .hero__bottom { align-self: flex-end; flex-direction: column; align-items: flex-start; gap: 28px; max-width: 440px; }

.hero--contact .hero__title { font-size: 31vw; line-height: 0.8; letter-spacing: -0.075em; margin-left: -0.04em; }
.hero--contact { gap: 3vh; }

/* Science: zoom from patient to gene */
.zoom { height: 460vh; }
.zoom__sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; }
.zoom__eyebrow { position: absolute; top: 110px; left: var(--gutter); z-index: 2; }
.zoom__stage { position: absolute; inset: 0; }
.zoom__ring {
  position: absolute; left: 50%; top: 50%; width: 46vmin; height: 46vmin; margin: -23vmin 0 0 -23vmin;
  border-radius: 50%; border: 1px solid var(--paper-50); display: grid; place-items: center;
  will-change: transform, opacity; opacity: 0;
}
.zoom__ring span { font-size: clamp(1.4rem, 2.6vw, 2.4rem); letter-spacing: -0.03em; transition: opacity 0.3s; }
.zoom__ring--1 { border-style: dashed; }
.zoom__ring--2 { border-style: dotted; border-width: 2px; }
.zoom__ring--3 { border-color: var(--accent); }
.zoom__ring--4 { border-color: var(--accent); background: radial-gradient(circle, rgba(123, 220, 195, 0.12), transparent 70%); }
.zoom__ring--4 span { color: var(--accent); }
.zoom__captions { position: absolute; left: var(--gutter); right: var(--gutter); bottom: var(--gutter); height: 4em; }
.zoom__caption { position: absolute; left: 0; bottom: 0; max-width: 520px; font-size: clamp(1.1rem, 1.6vw, 1.4rem); color: var(--paper-70); opacity: 0; transform: translateY(16px); transition: opacity 0.6s, transform 0.8s var(--ease); }
.zoom__caption.is-active { opacity: 1; transform: none; }

/* Science: expanding panels */
.panels { padding: 16vh var(--gutter); }
.panels__head { margin-bottom: 8vh; max-width: 900px; }
.panels__row { display: flex; gap: 12px; height: 72vh; }
.panel { position: relative; flex: 1; min-width: 0; overflow: hidden; border-radius: 16px; text-align: left; transition: flex 0.9s var(--ease); }
.panel.is-open { flex: 3.4; }
.panel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.5) contrast(1.1); scale: 1.15; transition: scale 1.2s var(--ease), filter 0.8s; }
.panel.is-open img { scale: 1; filter: grayscale(1) brightness(0.62) contrast(1.1); }
.panel__name { position: absolute; left: 22px; top: 26px; font-size: clamp(1.6rem, 2.8vw, 3rem); letter-spacing: -0.04em; line-height: 1; writing-mode: vertical-rl; white-space: nowrap; }
.panel.is-open .panel__name { writing-mode: horizontal-tb; top: auto; bottom: 26px; left: 26px; }
.panel__text { position: absolute; left: 26px; right: 26px; bottom: 84px; max-width: 420px; color: var(--paper-70); opacity: 0; translate: 0 16px; transition: opacity 0.4s, translate 0.6s var(--ease); }
.panel.is-open .panel__text { opacity: 1; translate: 0 0; transition-delay: 0.35s; }

/* Science: toolkit scroll spy */
.spy { display: grid; grid-template-columns: 1fr 1.3fr; gap: 6vw; padding: 16vh var(--gutter); }
.spy__aside { position: sticky; top: 30vh; align-self: start; }
.spy__list { list-style: none; margin: 0; padding: 0; }
.spy__item { padding: 5vh 0; border-top: 1px solid var(--paper-12); opacity: 0.22; transition: opacity 0.5s, transform 0.7s var(--ease); }
.spy__item.is-on { opacity: 1; transform: translateX(14px); }
.spy__item h3 { font-weight: 400; font-size: clamp(1.8rem, 3.4vw, 3.4rem); letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 12px; }
.spy__item.is-on h3 { color: var(--accent); }
.spy__item p { color: var(--paper-70); }

/* Science: sliding lines */
.slide { padding: 18vh 0 16vh; overflow: hidden; }
.slide__line { font-size: clamp(3.4rem, 11vw, 13rem); letter-spacing: -0.065em; line-height: 1.02; white-space: nowrap; will-change: transform; }
.slide__line--b { color: var(--paper-50); }
.slide__foot { padding: 9vh var(--gutter) 0; display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.slide__foot p { max-width: 480px; color: var(--paper-70); }

/* Platforms: tabs */
.tabs { padding: 16vh var(--gutter); }
.tabs__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 8vh; }
.tabs__head .eyebrow { margin: 0; }
.tabs__list { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--paper-12); border-radius: 99px; }
.tabs__list button { padding: 12px 22px; border-radius: 99px; font-size: 15px; color: var(--paper-70); transition: background 0.4s, color 0.4s; }
.tabs__list button:hover { color: var(--paper); }
.tabs__list button.is-active { background: var(--paper); color: var(--ink); }
.tabs__panels { position: relative; }
.tabs__panel { display: grid; grid-template-columns: 1.2fr 1fr; gap: 5vw; align-items: center; }
.tabs__panel:not(.is-active) { position: absolute; inset: 0; visibility: hidden; pointer-events: none; }
.tabs__media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 18px; clip-path: inset(0 100% 0 0 round 18px); transition: clip-path 1.1s var(--ease); }
.tabs__panel.is-active .tabs__media { clip-path: inset(0 0 0 0 round 18px); }
.tabs__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08) brightness(0.9); scale: 1.15; transition: scale 1.6s var(--ease); }
.tabs__panel.is-active img { scale: 1; }
.tabs__body > * { opacity: 0; transform: translateY(24px); transition: opacity 0.6s, transform 0.9s var(--ease); }
.tabs__panel.is-active .tabs__body > * { opacity: 1; transform: none; }
.tabs__panel.is-active .tabs__body > :nth-child(2) { transition-delay: 0.08s; }
.tabs__panel.is-active .tabs__body > :nth-child(3) { transition-delay: 0.16s; }
.tabs__panel.is-active .tabs__body > :nth-child(4) { transition-delay: 0.24s; }
.tabs__kicker { color: var(--accent); margin-bottom: 14px; }
.tabs__body h3 { font-weight: 400; font-size: clamp(3rem, 6vw, 6.6rem); letter-spacing: -0.06em; line-height: 0.95; margin-bottom: 22px; }
.tabs__body > p:not(.tabs__kicker) { color: var(--paper-70); max-width: 460px; margin-bottom: 26px; }
.tabs__body li { padding: 14px 0; border-top: 1px solid var(--paper-12); color: var(--paper-70); }

/* Platforms: the loop diagram */
.loop { padding: 16vh var(--gutter); }
.loop__head { margin-bottom: 4vh; max-width: 900px; }
.loop__figure { position: relative; width: min(640px, 88vw); aspect-ratio: 1; margin: 0 auto; }
.loop__figure svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.loop__track { fill: none; stroke: var(--paper-12); stroke-width: 1; }
.loop__draw { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 1383; stroke-dashoffset: 1383; transform: rotate(-90deg); transform-origin: 300px 300px; stroke-linecap: round; }
.loop__node {
  position: absolute; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2px;
  background: var(--ink); padding: 12px 20px; border: 1px solid var(--paper-12); border-radius: 99px;
  transition: border-color 0.5s, scale 0.6s var(--ease); white-space: nowrap;
}
.loop__node b { font-weight: 400; font-size: 20px; letter-spacing: -0.02em; transition: color 0.5s; }
.loop__node span { color: var(--paper-50); font-size: 13px; }
.loop__node.is-on { border-color: var(--accent); scale: 1.06; }
.loop__node.is-on b { color: var(--accent); }
.loop__node--n { left: 50%; top: 13.33%; }
.loop__node--e { left: 86.67%; top: 50%; }
.loop__node--s { left: 50%; top: 86.67%; }
.loop__node--w { left: 13.33%; top: 50%; }
.loop__center { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 200px; text-align: center; color: var(--paper-70); }

/* Platforms: stacking cards */
.stack { padding: 16vh var(--gutter) 6vh; }
.stack__head { margin-bottom: 8vh; max-width: 900px; }
.stack__card {
  position: sticky; top: calc(14vh + var(--k, 0) * 26px); height: 66vh; margin-bottom: 8vh;
  display: grid; grid-template-columns: 1fr 1.2fr; overflow: hidden;
  background: var(--ink); border: 1px solid var(--paper-12); border-radius: 22px;
  transform-origin: 50% 0; will-change: transform;
}
.stack__text { padding: clamp(28px, 4vw, 56px); display: flex; flex-direction: column; justify-content: flex-end; gap: 18px; }
.stack__text h3 { font-weight: 400; font-size: clamp(2.6rem, 5vw, 5.4rem); letter-spacing: -0.05em; line-height: 0.95; }
.stack__text p { color: var(--paper-70); max-width: 380px; }
.stack__media { overflow: hidden; }
.stack__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08) brightness(0.88); }

/* Platforms: image that zooms out */
.reveal-img { height: 130vh; overflow: hidden; }
.reveal-img__frame { position: absolute; inset: 0; }
.reveal-img__frame img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.45) contrast(1.1); transform: scale(var(--zs, 1.6)); will-change: transform; }
.reveal-img__text { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 16vh; display: flex; flex-direction: column; align-items: flex-start; gap: 36px; max-width: 900px; opacity: var(--zt, 0); transform: translateY(calc((1 - var(--zt, 0)) * 50px)); }

/* Pipeline: program tiles + drawer */
.tiles { padding: 16vh var(--gutter); }
.tiles__head { margin-bottom: 8vh; }
.tiles__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile {
  display: flex; flex-direction: column; gap: 18px; min-height: 300px; padding: 28px; text-align: left;
  border: 1px solid var(--paper-12); border-radius: 18px;
  transition: border-color 0.4s, background 0.4s, translate 0.6s var(--ease);
}
.tile:hover { border-color: var(--paper-50); translate: 0 -6px; }
.tile__dots { display: flex; gap: 6px; }
.tile__dots i { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--paper-50); }
.tile__dots i.on { background: var(--accent); border-color: var(--accent); }
.tile__name { font-size: clamp(1.6rem, 2.4vw, 2.4rem); letter-spacing: -0.03em; line-height: 1.05; }
.tile__meta { color: var(--paper-70); font-size: 15px; }
.tile__open { margin-top: auto; font-size: 14px; width: max-content; border-bottom: 1px solid var(--paper-50); transition: color 0.3s, border-color 0.3s; }
.tile:hover .tile__open { color: var(--accent); border-color: var(--accent); }
.tiles__note { margin-top: 32px; color: var(--paper-50); font-size: 14px; }

.drawer { position: fixed; inset: 0; z-index: 300; pointer-events: none; }
.drawer__scrim { position: absolute; inset: 0; background: rgba(12, 14, 15, 0.7); opacity: 0; transition: opacity 0.5s; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(560px, 100vw); overflow-y: auto;
  background: var(--ink); border-left: 1px solid var(--paper-12); padding: 96px 40px 48px;
  transform: translateX(100%); transition: transform 0.8s var(--ease);
}
.drawer.is-open { pointer-events: auto; }
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__close { position: absolute; top: 28px; right: 28px; font-size: 14px; padding: 9px 16px; border: 1px solid var(--paper-12); border-radius: 99px; transition: border-color 0.3s; }
.drawer__close:hover { border-color: var(--paper); }
.drawer__media { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 14px; margin-bottom: 28px; }
.drawer__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08); }
.drawer__stage { color: var(--accent); font-size: 14px; margin-bottom: 10px; }
.drawer__item h3 { font-weight: 400; font-size: clamp(2.2rem, 4vw, 3.4rem); letter-spacing: -0.04em; line-height: 1; margin-bottom: 10px; }
.drawer__approach { color: var(--paper-50); margin-bottom: 22px; }
.drawer__item > p:last-child { color: var(--paper-70); }

/* Pipeline: stage timeline */
.timeline { padding: 16vh var(--gutter); }
.timeline__head { margin-bottom: 10vh; max-width: 900px; }
.timeline__track { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding-top: 44px; }
.timeline__line { position: absolute; left: 0; right: 0; top: 6px; height: 1px; background: var(--paper-12); }
.timeline__line i { position: absolute; inset: 0; background: var(--accent); transform-origin: 0 50%; transform: scaleX(var(--tl, 0)); }
.timeline__stop { position: relative; opacity: 0.25; transition: opacity 0.6s; }
.timeline__stop.is-on { opacity: 1; }
.timeline__dot { position: absolute; top: -44px; left: 0; width: 13px; height: 13px; border-radius: 50%; border: 1px solid var(--paper-50); background: var(--ink); transition: background 0.4s, border-color 0.4s; }
.timeline__stop.is-on .timeline__dot { background: var(--accent); border-color: var(--accent); }
.timeline__stop h3 { font-weight: 400; font-size: 15px; color: var(--paper-50); margin-bottom: 14px; }
.timeline__q { font-size: clamp(1.5rem, 2.4vw, 2.3rem); letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 16px; }
.timeline__stop p:last-child { color: var(--paper-70); max-width: 360px; }

/* Pipeline: hover criteria */
.criteria { padding: 16vh var(--gutter); }
.criteria__head { margin-bottom: 8vh; }
.criteria__grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--paper-12); border-left: 1px solid var(--paper-12); }
.crit { position: relative; height: 34vh; min-height: 220px; overflow: hidden; text-align: left; border-right: 1px solid var(--paper-12); border-bottom: 1px solid var(--paper-12); }
.crit__word { position: absolute; left: 32px; bottom: 26px; font-size: clamp(3rem, 7vw, 8rem); letter-spacing: -0.065em; line-height: 0.9; transition: transform 0.8s var(--ease), opacity 0.5s; }
.crit__text { position: absolute; left: 32px; right: 32px; bottom: 32px; max-width: 460px; font-size: clamp(1.2rem, 1.8vw, 1.6rem); letter-spacing: -0.02em; opacity: 0; translate: 0 24px; transition: opacity 0.5s, translate 0.8s var(--ease); }
.crit:hover .crit__word, .crit.is-open .crit__word { transform: translateY(-160%); opacity: 0.08; }
.crit:hover .crit__text, .crit.is-open .crit__text { opacity: 1; translate: 0 0; transition-delay: 0.1s; }

/* Pipeline: highlighted sentence */
.marker { padding: 22vh var(--gutter); }
.marker__text { font-size: clamp(2rem, 4.6vw, 5rem); letter-spacing: -0.045em; line-height: 1.12; max-width: 1300px; }
.marker mark { color: inherit; background: linear-gradient(var(--accent), var(--accent)) 0 92% / var(--m, 0%) 0.12em no-repeat; }

/* Careers: draggable photo strip */
.strip { padding: 16vh 0 12vh; }
.strip__head { padding: 0 var(--gutter); margin-bottom: 6vh; }
.strip__hint { color: var(--paper-50); margin-top: 20px; }
.strip__track { display: flex; gap: 20px; overflow-x: auto; padding: 0 var(--gutter); scroll-snap-type: x proximity; scrollbar-width: none; cursor: grab; user-select: none; }
.strip__track::-webkit-scrollbar { display: none; }
.strip__track.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.strip__item { flex: 0 0 clamp(260px, 30vw, 460px); scroll-snap-align: start; }
.strip__item img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 14px; filter: grayscale(1) contrast(1.08) brightness(0.92); pointer-events: none; transition: scale 0.6s var(--ease); }
.strip__track.is-dragging img { scale: 0.97; }
.strip__item figcaption { margin-top: 14px; color: var(--paper-70); }
.strip__progress { position: relative; height: 1px; margin: 40px var(--gutter) 0; background: var(--paper-12); }
.strip__progress i { position: absolute; top: 0; bottom: 0; left: var(--sl, 0%); width: var(--sw, 20%); background: var(--paper); }

/* Careers: flip cards */
.flips { padding: 16vh var(--gutter); }
.flips__head { margin-bottom: 8vh; }
.flips__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flip { height: 360px; perspective: 1200px; text-align: left; }
.flip__inner { position: relative; display: block; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 1s var(--ease); }
.flip:hover .flip__inner, .flip.is-flipped .flip__inner { transform: rotateY(180deg); }
.flip__front, .flip__back { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 18px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.flip__front { border: 1px solid var(--paper-12); }
.flip__front span { font-size: clamp(2rem, 3vw, 3rem); letter-spacing: -0.04em; }
.flip__front small { color: var(--paper-50); font-size: 14px; }
.flip__back { background: var(--paper); color: var(--ink); transform: rotateY(180deg); justify-content: flex-end; font-size: 20px; letter-spacing: -0.01em; line-height: 1.3; }

/* Careers: vertical hiring steps */
.vsteps { display: grid; grid-template-columns: 1fr 1.3fr; gap: 6vw; padding: 16vh var(--gutter); }
.vsteps__aside { position: sticky; top: 30vh; align-self: start; }
.vsteps__list { position: relative; list-style: none; margin: 0; padding: 0 0 0 52px; }
.vsteps__list::before, .vsteps__list::after { content: ""; position: absolute; left: 6px; top: 0; bottom: 0; width: 1px; }
.vsteps__list::before { background: var(--paper-12); }
.vsteps__list::after { background: var(--accent); transform-origin: 50% 0; transform: scaleY(var(--vs, 0)); }
.vsteps__step { position: relative; padding: 7vh 0; opacity: 0.25; transition: opacity 0.6s; }
.vsteps__step.is-on { opacity: 1; }
.vsteps__step::before { content: ""; position: absolute; left: -52px; top: calc(7vh + 14px); width: 13px; height: 13px; border-radius: 50%; border: 1px solid var(--paper-50); background: var(--ink); z-index: 1; transition: background 0.4s, border-color 0.4s; }
.vsteps__step.is-on::before { background: var(--accent); border-color: var(--accent); }
.vsteps__step h3 { font-weight: 400; font-size: clamp(1.8rem, 3vw, 3rem); letter-spacing: -0.04em; margin-bottom: 10px; }
.vsteps__step p { color: var(--paper-70); max-width: 440px; }

/* Careers: searchable openings */
.openings { padding: 16vh var(--gutter); }
.openings__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: 6vh; }
.openings__search input { width: min(360px, 82vw); background: transparent; border: 0; border-bottom: 1px solid var(--paper-12); color: var(--paper); font: inherit; font-size: 20px; padding: 12px 0; outline: none; border-radius: 0; transition: border-color 0.3s; }
.openings__search input:focus { border-color: var(--paper); }
.openings__search input::placeholder { color: var(--paper-50); }
.openings__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rcard { display: flex; flex-direction: column; gap: 10px; min-height: 230px; padding: 26px; border: 1px solid var(--paper-12); border-radius: 18px; transition: border-color 0.4s; }
.rcard[hidden] { display: none; }
.rcard:hover { border-color: var(--accent); }
.rcard__area { color: var(--paper-50); font-size: 14px; }
.rcard__title { font-size: 22px; letter-spacing: -0.02em; line-height: 1.2; }
.rcard__team { color: var(--paper-70); }
.rcard__apply { margin-top: auto; font-size: 14px; width: max-content; border-bottom: 1px solid var(--paper-50); transition: color 0.3s, border-color 0.3s; }
.rcard:hover .rcard__apply { color: var(--accent); border-color: var(--accent); }
.openings__empty { margin-top: 32px; color: var(--paper-70); }
.openings__empty a { border-bottom: 1px solid var(--paper-50); }

/* Contact: email tiles */
.mailtiles { display: grid; grid-template-columns: 1fr 1fr; column-gap: 4vw; padding: 10vh var(--gutter); }
.mailtile { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 6vh 0; border-top: 1px solid var(--paper-12); }
.mailtile__label { color: var(--paper-50); }
.mailtile__mail { font-size: clamp(1.5rem, 2.8vw, 2.8rem); letter-spacing: -0.035em; overflow-wrap: anywhere; transition: color 0.3s; }
.mailtile__mail:hover { color: var(--accent); }
.mailtile__copy { font-size: 14px; padding: 8px 16px; border: 1px solid var(--paper-12); border-radius: 99px; transition: border-color 0.3s, background 0.3s, color 0.3s; }
.mailtile__copy:hover { border-color: var(--paper); }
.mailtile__copy.is-done { background: var(--accent); border-color: var(--accent); color: var(--ink); }

/* Contact: sentence form */
.madlib { padding: 14vh var(--gutter); }
.madlib__text { font-size: clamp(1.7rem, 3.6vw, 3.8rem); line-height: 1.55; letter-spacing: -0.035em; max-width: 1300px; }
.madlib__text input, .madlib__text select {
  font: inherit; letter-spacing: inherit; color: var(--accent); background: transparent;
  border: 0; border-bottom: 1px solid var(--paper-50); border-radius: 0; padding: 0 4px; outline: none; max-width: 100%;
  transition: border-color 0.3s;
}
.madlib__text input:focus, .madlib__text select:focus { border-color: var(--accent); }
.madlib__text input::placeholder { color: var(--paper-50); }
.madlib__text select { appearance: none; -webkit-appearance: none; cursor: pointer; }
.madlib__text select option { background: var(--ink); color: var(--paper); font-size: 16px; }
.madlib__note { display: flex; flex-direction: column; gap: 10px; margin-top: 7vh; max-width: 720px; }
.madlib__note span { color: var(--paper-50); font-size: 15px; }
.madlib__note textarea { font: inherit; color: var(--paper); background: transparent; border: 0; border-bottom: 1px solid var(--paper-12); padding: 10px 0; outline: none; resize: vertical; border-radius: 0; }
.madlib__note textarea:focus { border-color: var(--paper); }
.madlib__actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; flex-wrap: wrap; }
.madlib__msg { color: var(--paper-50); font-size: 14px; }

/* Contact: questions */
.faq { padding: 14vh var(--gutter); display: grid; grid-template-columns: 1fr 1.6fr; gap: 6vw; }
.faq__list { border-top: 1px solid var(--paper-12); }
.faq__item { border-bottom: 1px solid var(--paper-12); }
.faq__item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0; font-size: clamp(1.2rem, 1.8vw, 1.6rem); letter-spacing: -0.02em; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__icon { position: relative; flex: 0 0 16px; height: 16px; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: currentColor; transition: transform 0.5s var(--ease); }
.faq__icon::after { transform: rotate(90deg); }
.faq__item[open] .faq__icon::after { transform: rotate(0); }
.faq__item p { color: var(--paper-70); padding: 0 0 28px; max-width: 640px; }
.faq__item[open] p { animation: faqIn 0.6s var(--ease); }
@keyframes faqIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 1000px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: block; }
  .ptable__row { grid-template-columns: 1.4fr 1.3fr 2fr; }
  .ptable__row > :nth-child(3) { display: none; }
  .lab__head, .principles, .faq, .spy, .vsteps { grid-template-columns: 1fr; }
  .spy__aside, .vsteps__aside { position: static; }
  .tiles__grid, .openings__grid, .flips__grid { grid-template-columns: repeat(2, 1fr); }
  .tabs__panel { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero__title .line:nth-child(2) { padding-left: 0; }
  .hero__bottom { flex-direction: column; align-items: flex-start; }
  .hero--platforms .hero__bottom, .hero--pipeline .hero__bottom { align-items: inherit; }

  .method__chapters { width: auto; right: var(--gutter); top: auto; bottom: 100px; transform: none; height: 50vh; }
  .chapter { justify-content: flex-end; gap: 16px; }
  .method__rail span { font-size: 12px; }

  .platform__pin { position: static; height: auto; display: block; padding: 14vh 0 4vh; }
  .platform__track { flex-direction: column; align-items: stretch; gap: 24px; transform: none !important; }
  .platform__intro { flex: none; padding: 0 0 4vh; }
  .pcard { flex: none; height: auto; grid-template-columns: 1fr; }
  .pcard__media { aspect-ratio: 4 / 3; }
  .pcard__media img { left: 0; width: 100%; }
  .platform__end { padding: 6vh 0 0; white-space: normal; }

  .ptable__row { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .ptable__row--head { display: none; }

  .film { height: 220vh; }
  .film__title { flex-direction: column; gap: 46vh; }

  .lab__grid { grid-template-columns: 1fr; row-gap: 6vh; }
  .lab__item--a, .lab__item--b, .lab__item--c, .lab__item--d, .lab__item--e { grid-column: 1; margin-top: 0; }

  .principles__list li { grid-template-columns: 1fr; gap: 12px; }
  .careers { height: 120vh; }
  .explore__row { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .explore__desc { grid-row: 2; }

  .panels__row { flex-direction: column; height: auto; }
  .panel { flex: none; height: 110px; transition: height 0.9s var(--ease); }
  .panel.is-open { flex: none; height: 380px; }
  .panel__name { writing-mode: horizontal-tb; top: auto; bottom: 22px; }

  .loop__node { padding: 8px 12px; }
  .loop__node b { font-size: 15px; }
  .loop__node span { display: none; }
  .loop__center { width: 140px; font-size: 14px; }

  .stack__card { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; height: 74vh; }
  .stack__media { order: -1; }

  .tiles__grid, .openings__grid, .flips__grid, .criteria__grid, .mailtiles { grid-template-columns: 1fr; }
  .timeline__track { grid-template-columns: 1fr; gap: 6vh; }
  .timeline__line { display: none; }
  .timeline__dot { position: static; display: block; margin-bottom: 18px; }
  .flip { height: 240px; }

  .footer__top, .footer__cols { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}