/* home.css — extrait verbatim de index.html (design system Home bespoke). Ne pas charger colors_and_type.css (LEÇON 34). */
/* ===== MAIN (tokens, nav, hero, sections) ===== */
  :root {
    --paper:     #FAFAF7;
    --ink:       #0E1612;
    --frog-deep: #194139;
    --frog:      #1C514E;
    --frog-vif:  #08DE96;
    --sage:      #A0B8B6;
    --orange:    #FFBD3E;
    --coral:     #F45D5D;
    --line-light: rgba(25, 65, 57, 0.18);
    --line-dark:  rgba(250, 250, 247, 0.20);
    /* vars used by the shared nav.css (home does not load colors_and_type.css — LEÇON 34) */
    --font-body:    'Inter', 'Söhne', 'Inter Display', system-ui, -apple-system, sans-serif;
    --font-display: 'Instrument Serif', 'Fraunces', 'Times New Roman', serif;
    --font-mono:    'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
    --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
    --ink-12:       rgba(25, 65, 57, 0.12);
    --paper-2:      #F0EDE6;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  .serif { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; }


  /* Pill buttons everywhere else */
  .pill {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 13px 28px;
    border-radius: 999px;
    font-size: 13px; font-weight: 500;
    text-decoration: none;
    transition: all 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
    cursor: pointer;
    border: 1px solid transparent;
  }
  .pill.solid {
    background: var(--ink); color: var(--paper);
  }
  .pill.solid:hover { background: var(--frog-vif); color: var(--ink); }
  .pill.outline-light {
    background: transparent; border-color: var(--paper); color: var(--paper);
  }
  .pill.outline-light:hover {
    background: var(--paper); color: var(--ink);
  }
  .pill.outline-dark {
    background: transparent; border-color: var(--ink); color: var(--ink);
  }
  .pill.outline-dark:hover {
    background: var(--ink); color: var(--paper);
  }
  .pill.green {
    background: var(--frog-vif); color: var(--ink);
  }
  .pill.green:hover { background: var(--ink); color: var(--frog-vif); }

  /* === HERO === */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    padding: 0 48px;
  }
  .hero { background: var(--frog-deep, #0E2A2B); isolation: isolate; }
  .hero .bg {
    position: absolute; inset: 0;
    background-image: url("/assets/3d-tribia.jpg");
    background-size: cover; background-position: 50% 50%;
    z-index: 0;
    transform-origin: 50% 50%;
    transform: scale(1.08); opacity: 0;
    translate: var(--px, 0) var(--py, 0);
    will-change: transform, opacity, translate;
  }
  .hero.play .bg{
    animation: heroBgIn 2.4s cubic-bezier(0.16,1,0.3,1) forwards;
  }
  @keyframes heroBgIn{ to { opacity: 1; transform: scale(1.05); } }
  .hero .bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg,
      rgba(14, 22, 18, 0.55) 0%,
      rgba(14, 22, 18, 0.4) 40%,
      rgba(14, 22, 18, 0.7) 100%);
  }
  .hero .hero-tint{
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background: radial-gradient(ellipse at 50% 45%, transparent 0%, transparent 38%, rgba(14,42,43,.35) 76%, rgba(14,42,43,.7) 100%);
  }
  .hero .hero-grain{
    position: absolute; inset: -2%; z-index: 0; pointer-events: none;
    width: 104%; height: 104%;
    mix-blend-mode: overlay; opacity: .25;
  }
  .hero .content {
    position: relative; z-index: 1;
    text-align: center; max-width: 1080px;
    color: var(--paper);
  }
  .hero .overtitle {
    display: inline-block;
    font-size: 12px; font-weight: 500;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--frog-vif);
    margin-bottom: 28px;
    padding: 6px 14px;
    border: 1px solid var(--frog-vif);
    border-radius: 999px;
  }
  .hero h1 {
    font-family: 'Instrument Serif', Georgia, serif;
    font-weight: 400;
    font-size: clamp(56px, 9vw, 160px);
    line-height: 0.92;
    letter-spacing: -0.022em;
    color: var(--paper);
    margin-bottom: 32px;
  }
  .hero h1 em {
    font-style: italic;
    color: var(--frog-vif);
  }
  .hero .lede {
    font-size: clamp(17px, 1.4vw, 21px);
    line-height: 1.55;
    max-width: 720px;
    margin: 0 auto 48px;
    color: var(--paper);
    opacity: 0.94;
  }
  .hero .ctas {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  }
  .hero .scroll-cue {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    z-index: 1;
    font-size: 11px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--paper); opacity: 0.78;
    display: flex; align-items: center; gap: 12px;
  }
  .hero .scroll-cue .line {
    width: 1px; height: 28px; background: var(--frog-vif);
    animation: scrollLine 2s ease-in-out infinite;
    transform-origin: top;
  }
  @keyframes scrollLine {
    0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
    50% { transform: scaleY(1); opacity: 1; }
  }

  /* === HERO entry animations === */
  /* Hide initial state when JS hasn't run yet only briefly: we set .hero.play in JS */
  .hero .overtitle{
    position: relative;
    border: none; padding: 8px 24px;
    opacity: 0;
    display: inline-flex; align-items: center; gap: 14px;
  }
  .hero.play .overtitle{ animation: heroPillFade .6s 1.1s cubic-bezier(.25,1,.5,1) forwards; }
  @keyframes heroPillFade{ to { opacity: 1; } }
  .hero .overtitle .pill-svg{
    position: absolute; inset: 0; width: 100%; height: 100%;
    overflow: visible; pointer-events: none;
  }
  .hero .overtitle .pill-svg rect{
    fill: none; stroke: var(--frog-vif); stroke-width: 1;
    stroke-dasharray: 1000; stroke-dashoffset: 1000;
  }
  .hero.play .overtitle .pill-svg rect{
    animation: heroPillDraw 1.1s .55s cubic-bezier(.65,0,.35,1) forwards;
  }
  @keyframes heroPillDraw{ to { stroke-dashoffset: 0; } }
  .hero .overtitle .pill-text{ opacity: 0; }
  .hero.play .overtitle .pill-text{ animation: heroPillTxt .8s 1.1s cubic-bezier(.25,1,.5,1) forwards; }
  @keyframes heroPillTxt{ to { opacity: 1; } }
  .hero .overtitle .pill-dash{ width: 0; height: 1px; background: var(--frog-vif); opacity: .6; display: inline-block; }
  .hero.play .overtitle .pill-dash{ animation: heroPillDash .5s 1.5s cubic-bezier(.25,1,.5,1) forwards; }
  @keyframes heroPillDash{ to { width: 14px; } }

  /* Word reveal */
  .hero h1 .word{
    display: inline-block; overflow: hidden; vertical-align: bottom;
    padding: .12em .04em .14em;
    margin: -.12em -.04em -.14em;
  }
  .hero h1 .word > span{
    display: inline-block; transform: translateY(110%);
    will-change: transform;
  }
  .hero.play h1 .word > span{
    animation: heroWordRise 1.1s var(--d, 0s) cubic-bezier(0.16,1,0.3,1) forwards;
  }
  @keyframes heroWordRise{ to { transform: translateY(0); } }

  .hero h1 .word.all > span{ position: relative; }
  .hero.play h1 .word.all > span{ animation-duration: 1.3s; }
  .hero h1 .word.all > span::after{
    content: 'All.';
    position: absolute; inset: 0;
    color: var(--frog-vif);
    filter: blur(28px);
    opacity: 0; z-index: -1; pointer-events: none;
    font-style: italic;
  }
  .hero.play h1 .word.all > span::after{
    animation: heroGlowFlash 1.6s 2s cubic-bezier(.4,0,.4,1) forwards;
  }
  @keyframes heroGlowFlash{
    0% { opacity: 0; }
    35% { opacity: .7; }
    100% { opacity: 0; }
  }

  /* Lede + CTAs cascade */
  .hero .lede{ opacity: 0; transform: translateY(20px); will-change: transform, opacity; }
  .hero.play .lede{ animation: heroFadeUp 1s 1.4s cubic-bezier(.25,1,.5,1) forwards; }
  .hero .ctas{ opacity: 0; transform: translateY(20px); will-change: transform, opacity; }
  .hero.play .ctas{ animation: heroFadeUp 1s 1.6s cubic-bezier(.25,1,.5,1) forwards; }
  @keyframes heroFadeUp{ to { opacity: 1; transform: translateY(0); } }
  .hero.play .lede{ /* keep .94 opacity baseline */ }

  /* Scroll cue fade-in */
  .hero .scroll-cue{ opacity: 0; }
  .hero.play .scroll-cue{ animation: heroScrollFade .8s 2.2s cubic-bezier(.25,1,.5,1) forwards; }
  @keyframes heroScrollFade{ to { opacity: .78; } }

  /* CTA hover micro */
  .hero .pill.green .arrow{ transition: transform .35s cubic-bezier(.25,1,.5,1); display: inline-block; }
  .hero .pill.green:hover .arrow{ transform: translateX(4px); }
  .hero .pill:hover{ transform: translateY(-2px); }

  /* === SCALE · QUALITY · EFFICIENCY (post-hero three-up) === */
  .triad {
    background: var(--paper);
    padding: 96px 48px 56px;
  }
  .triad .wrap {
    max-width: 1320px; margin: 0 auto;
  }
  .triad .head {
    max-width: 880px;
    margin: 0 auto 56px;
    text-align: center;
  }
  .triad .head .overtitle {
    display: inline-block;
    font-size: 12px; font-weight: 500;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--frog);
    margin-bottom: 22px;
  }
  .triad h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6.6vw, 96px);
    line-height: 0.98;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin: 0;
  }
  .triad h2 em { font-style: italic; color: var(--frog); }
  .triad-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border-top: 0.5px solid var(--line-light);
    border-bottom: 0.5px solid var(--line-light);
  }
  .triad-grid > article {
    padding: 32px 28px;
    border-right: 0.5px solid var(--line-light);
    display: flex; flex-direction: column; gap: 16px;
    position: relative;
  }
  .triad-grid > article:last-child { border-right: none; }
  .triad-grid .num {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 14px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--frog);
    display: flex; align-items: center; gap: 12px;
  }
  .triad-grid .num::before {
    content: ''; width: 28px; height: 1px; background: var(--frog-vif);
  }
  .triad-grid h3 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(24px, 2.2vw, 32px);
    line-height: 1.0; color: var(--ink);
    letter-spacing: -0.015em;
    margin: 0;
  }
  .triad-grid .lead {
    font-size: 14px; line-height: 1.5;
    color: var(--ink); opacity: 0.86;
    margin: 0;
  }
  .triad-grid .punch {
    font-family: 'Instrument Serif', serif; font-style: italic;
    font-size: clamp(15px, 1.3vw, 18px); line-height: 1.25;
    color: var(--frog); margin: 0;
    border-top: 0.5px solid var(--line-light); padding-top: 14px;
    margin-top: auto;
  }
  @media (max-width: 1024px) {
    .triad { padding: 48px 28px; }
    .triad-grid { grid-template-columns: 1fr; }
    .triad-grid > article { border-right: none; border-bottom: 0.5px solid var(--line-light); }
    .triad-grid > article:last-child { border-bottom: none; }
  }

  /* === EXPLORE FOUR === */
  .explore {
    background: var(--paper);
    padding: 140px 48px;
  }
  .explore .head {
    text-align: center;
    max-width: 880px;
    margin: 0 auto 80px;
  }
  .explore .overtitle {
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--frog);
    margin-bottom: 22px;
  }
  .explore h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6.6vw, 96px);
    line-height: 0.98;
    color: var(--ink);
    letter-spacing: -0.015em;
    margin-bottom: 24px;
  }
  .explore h2 em { font-style: italic; color: var(--frog); }
  .explore .sublede {
    font-size: 18px; max-width: 640px; margin: 0 auto;
    color: var(--ink);
  }
  .explore-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1280px; margin: 0 auto;
  }
  .explore-card {
    position: relative;
    background: var(--ink);
    color: var(--paper);
    padding: 48px;
    aspect-ratio: 4/3;
    overflow: hidden;
    text-decoration: none;
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex; flex-direction: column; justify-content: space-between;
    cursor: pointer;
  }
  .explore-card .img-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: 50% 50%;
    transition: transform 800ms ease, filter 400ms ease;
    filter: saturate(0.95);
  }
  .explore-card .img-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(14, 22, 18, 0.5) 0%, rgba(14, 22, 18, 0.85) 100%);
  }
  .explore-card:hover .img-bg { transform: scale(1.04); filter: saturate(1.1); }
  .explore-card > * { position: relative; z-index: 1; }
  .explore-card .num {
    font-size: 12px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--frog-vif);
  }
  .explore-card h3 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(40px, 4.4vw, 64px); line-height: 1.02;
    color: var(--paper); margin: 0 0 16px;
    letter-spacing: -0.01em;
  }
  .explore-card h3 sup { font-size: 0.5em; vertical-align: super; }
  .explore-card p {
    font-size: 15px; line-height: 1.55; color: var(--paper);
    opacity: 0.86; max-width: 460px;
  }
  .explore-card .arrow-link {
    margin-top: 24px;
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 13px; font-weight: 500; color: var(--frog-vif);
    transition: gap 240ms;
  }
  .explore-card:hover .arrow-link { gap: 18px; }
  .explore-card .bottom {
    display: flex; justify-content: space-between; align-items: end; gap: 16px;
  }

  /* === CHALLENGE (DARK) === */
  .challenge {
    background: var(--frog-deep);
    color: var(--paper);
    padding: 160px 48px 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .challenge::before {
    content: ''; position: absolute;
    width: 100%; height: 100%;
    top: 0; left: 0; transform: none;
    background-image: url("/assets/cell-therapy-ring.png");
    background-size: cover; background-position: 50% 50%;
    background-repeat: no-repeat;
    opacity: 0.08;
    z-index: 0;
  }
  .challenge > * { position: relative; z-index: 1; }
  .challenge .overtitle {
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--frog-vif);
    margin-bottom: 28px;
  }
  .challenge h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6.4vw, 100px);
    line-height: 1.0;
    color: var(--paper);
    letter-spacing: -0.015em;
    max-width: 1120px; margin: 0 auto 32px;
  }
  .challenge h2 em { font-style: italic; }
  .challenge h2 .accent { color: var(--frog-vif); }
  .challenge .body {
    font-size: clamp(17px, 1.4vw, 20px);
    line-height: 1.6;
    max-width: 760px; margin: 0 auto 80px;
    color: var(--paper); opacity: 0.92;
  }
  .why-grid {
    display: grid; grid-template-columns: 1fr;
    max-width: 820px; margin: 0 auto 72px;
    gap: 0;
    border-top: none;
    border-bottom: none;
  }
  .why-grid > div {
    padding: 48px 32px;
    text-align: center;
    border-right: none;
  }
  .why-grid > div:last-child { border-right: none; }
  .why-grid .reason { max-width: 640px; margin: 0 auto; }
  .why-grid .pip {
    font-size: 12px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--frog-vif);
    margin-bottom: 20px;
  }
  .why-grid .reason {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(20px, 2vw, 28px); line-height: 1.25;
    color: var(--paper);
  }
  .challenge .closing-pip {
    font-size: 12px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--frog-vif);
    text-align: center; margin: 0 0 20px;
  }
  .challenge .closing {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-size: clamp(24px, 3.2vw, 44px);
    line-height: 1.2;
    max-width: 980px; margin: 0 auto;
    color: var(--paper);
  }
  .challenge .closing .mark {
    color: var(--frog-vif);
  }

  /* === PILLARS === */
  .pillars {
    background: var(--paper);
    padding: 140px 48px;
  }
  .pillars .head {
    text-align: center;
    max-width: 880px;
    margin: 0 auto 80px;
  }
  .pillars .overtitle {
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--frog);
    margin-bottom: 22px;
  }
  .pillars h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6.4vw, 92px);
    line-height: 0.98;
    color: var(--ink); letter-spacing: -0.015em;
    margin-bottom: 24px;
  }
  .pillars h2 em { font-style: italic; color: var(--frog); }
  .pillars .sublede {
    font-size: 18px; max-width: 600px; margin: 0 auto;
    color: var(--ink);
  }
  .pillars-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1280px; margin: 0 auto;
  }
  .pillar {
    text-align: center;
    padding: 0;
  }
  .pillar .img {
    aspect-ratio: 4/3;
    background-size: cover; background-position: 50% 50%;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
  }
  .pillar .img::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(14, 22, 18, 0.3) 100%);
  }
  .pillar.q .img { background-image: url("/assets/microtissue-red.webp"); background-color: #1a0a0a; filter: saturate(1.05); }
  .pillar.s .img { background-image: url("/assets/bioreactor.jpg"); }
  .pillar.e .img { background-image: url("/assets/industrial-microfluidics.jpg"); background-position: 50% 60%; }
  .pillar h3 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: 36px; line-height: 1; color: var(--ink);
    margin-bottom: 16px;
  }
  .pillar .label {
    font-size: 12px; font-weight: 500; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--frog);
    margin-bottom: 16px;
  }
  .pillar p {
    font-size: 16px; line-height: 1.6; color: var(--ink);
    max-width: 320px; margin: 0 auto;
  }
  .pillar p .em {
    display: block; margin-top: 12px;
    font-family: 'Instrument Serif', serif; font-style: italic;
    font-size: 18px; color: var(--frog);
  }
  .pillars-cta {
    text-align: center;
    margin-top: 80px;
  }

  /* === POSITION (LEDGER) === */
  .position {
    position: relative;
    background:
      radial-gradient(120% 90% at 80% 10%, rgba(8,222,150,0.10), transparent 60%),
      var(--frog-deep);
    display: flex; align-items: center; justify-content: center;
    padding: 150px 48px;
    overflow: hidden;
  }
  .position .content {
    position: relative; z-index: 1;
    width: 100%; max-width: 1280px;
    display: flex; flex-direction: column;
  }
  .position .overtitle {
    color: var(--frog-vif);
    font-family: var(--font-mono);
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase;
    display: inline-flex; align-items: center; gap: 12px;
    margin-bottom: 40px;
  }
  .position .overtitle::before {
    content: ''; width: 6px; height: 6px;
    background: var(--frog-vif); border-radius: 50%;
  }
  .position h2 {
    font-family: var(--font-display); font-weight: 400;
    font-size: clamp(28px, 3.2vw, 44px);
    line-height: 1.18; letter-spacing: -0.01em;
    color: var(--paper); max-width: 880px;
    margin-bottom: 56px;
  }
  .position h2 em { font-style: italic; color: var(--frog-vif); }
  .position .combine {
    display: flex; flex-direction: column;
    margin-bottom: 44px;
  }
  .position .combine > div {
    display: grid;
    grid-template-columns: 48px 5fr 7fr;
    align-items: center; gap: 32px;
    padding: 30px 0;
    border-top: 0.5px solid rgba(8,222,150,0.45);
  }
  .position .combine > div:last-child {
    border-bottom: 0.5px solid rgba(8,222,150,0.45);
  }
  .position .combine .num {
    font-family: var(--font-mono); font-size: 13px;
    color: var(--frog-vif);
  }
  .position .combine .input {
    font-family: var(--font-mono); font-size: 13px; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.10em;
    color: rgba(244,241,234,0.72); line-height: 1.5;
  }
  .position .combine .output {
    font-family: var(--font-display); font-style: italic; font-weight: 400;
    font-size: clamp(18px, 2vw, 24px); line-height: 1.25;
    letter-spacing: -0.01em; color: var(--frog-vif);
  }

  /* === VALUE === */
  .value {
    background: var(--paper);
    padding: 140px 48px;
  }
  .value .head {
    text-align: center;
    max-width: 880px;
    margin: 0 auto 80px;
  }
  .value .overtitle {
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--frog);
    margin-bottom: 22px;
  }
  .value h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6.4vw, 92px);
    line-height: 0.98;
    color: var(--ink); letter-spacing: -0.015em;
    margin-bottom: 24px;
  }
  .value h2 em { font-style: italic; color: var(--frog); }
  .value .sublede {
    font-size: 18px; max-width: 640px; margin: 0 auto;
    color: var(--ink);
  }
  .value-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 1280px; margin: 0 auto;
  }
  .value-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    text-decoration: none;
    cursor: pointer;
    color: var(--paper);
    background: var(--frog-deep);
    padding: 48px;
    display: flex; flex-direction: column; justify-content: space-between;
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .value-card .img-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: 50% 50%;
    transition: transform 800ms ease;
  }
  .value-card .img-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg,
      rgba(14, 22, 18, 0.55) 0%,
      rgba(14, 22, 18, 0.85) 100%);
  }
  .value-card:hover .img-bg { transform: scale(1.04); }
  .value-card > * { position: relative; z-index: 1; }
  .value-card .label {
    font-size: 12px; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--frog-vif);
  }
  .value-card h3 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(36px, 3.8vw, 56px); line-height: 1.05;
    color: var(--paper); letter-spacing: -0.01em;
    margin: 16px 0;
  }
  .value-card h3 sup { font-size: 0.5em; }
  .value-card p {
    font-size: 16px; line-height: 1.55;
    color: var(--paper); opacity: 0.92;
    max-width: 460px;
  }
  .value-card .pill { align-self: start; margin-top: 24px; }

  /* === LATEST (DARK SOLUGEN-STYLE) === */
  .latest {
    background: var(--frog-deep);
    color: var(--paper);
    padding: 140px 48px;
  }
  .latest .label {
    font-size: 12px; font-weight: 500; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--frog-vif);
    margin-bottom: 60px;
  }
  .latest .head {
    display: flex; justify-content: space-between; align-items: end;
    margin-bottom: 60px;
    max-width: 1280px; margin-left: auto; margin-right: auto;
    width: 100%;
  }
  .latest h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(40px, 5vw, 72px);
    line-height: 1; color: var(--paper);
    letter-spacing: -0.015em;
  }
  .latest h2 em { font-style: italic; }
  .latest-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1280px; margin: 0 auto 60px;
  }
  .latest-card {
    background: var(--ink);
    text-decoration: none;
    color: var(--paper);
    overflow: hidden;
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex; flex-direction: column;
  }
  .latest-card:hover { transform: translateY(-6px); }
  .latest-card .img {
    aspect-ratio: 16/10;
    background-size: cover; background-position: 50% 50%;
    position: relative;
  }
  .latest-card.c1 .img { background-image: url("/assets/bioreactor.jpg"); }
  .latest-card.c2 .img { background-image: url("/assets/3d-tribia.jpg"); }
  .latest-card.c3 .img { background-image: url("/assets/microtissue-red.webp"); background-color: #1a0a0a; }
  .latest-card .body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
  .latest-card .meta {
    display: flex; gap: 12px; align-items: center;
    margin-bottom: 16px;
    font-size: 11px; font-weight: 500; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--frog-vif);
  }
  .latest-card .meta .tag {
    padding: 4px 10px; border: 1px solid var(--frog-vif); border-radius: 999px;
  }
  .latest-card h3 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: 22px; line-height: 1.25;
    color: var(--paper);
  }
  .latest .all-cta { text-align: center; }

  /* === FOOTER === */
  footer {
    background: var(--ink);
    color: var(--paper);
    padding: 100px 48px 40px;
  }
  footer .footer-cta {
    text-align: center;
    margin-bottom: 100px;
  }
  footer .footer-cta h2 {
    font-family: 'Instrument Serif', serif; font-weight: 400;
    font-size: clamp(48px, 6vw, 88px);
    line-height: 1; color: var(--paper);
    letter-spacing: -0.015em;
    margin-bottom: 32px;
  }
  footer .footer-cta h2 em { font-style: italic; color: var(--frog-vif); }
  footer .footer-cta .pills {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  }
  footer .top {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px; padding-bottom: 60px;
    border-bottom: 0.5px solid var(--line-dark);
    max-width: 1440px; margin: 0 auto;
  }
  footer .col h4 {
    font-size: 11px; font-weight: 500; letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--frog-vif); margin-bottom: 22px;
  }
  footer .col a {
    display: block; padding: 6px 0;
    font-size: 14px; color: var(--paper); opacity: 0.86;
    text-decoration: none;
    transition: opacity 200ms, color 200ms;
  }
  footer .col a:hover { opacity: 1; color: var(--frog-vif); }
  footer .signature {
    font-family: 'Instrument Serif', serif; font-style: italic;
    font-size: 26px; line-height: 1.2;
    margin-bottom: 28px;
  }
  footer .signature em { color: var(--frog-vif); }
  footer .bottom {
    display: flex; justify-content: space-between;
    padding-top: 32px;
    font-size: 11px; font-weight: 500; letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper); opacity: 0.6;
    max-width: 1440px; margin: 0 auto;
  }

  /* === SCROLL REVEAL === */
  .reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity 800ms cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 800ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  .reveal.in { opacity: 1; transform: translateY(0); }

  /* === RESPONSIVE === */
  @media (max-width: 1024px) {
    nav.top, .hero, .explore, .challenge, .pillars, .position, .value, .latest, footer { padding-left: 28px; padding-right: 28px; }
    .explore-grid, .pillars-grid, .value-grid, .latest-grid, .why-grid, .position .combine { grid-template-columns: 1fr !important; }
    .why-grid > div { border-right: none !important; border-bottom: none; }
    .why-grid > div:last-child { border-bottom: none; }
    .explore-card, .value-card { aspect-ratio: auto; min-height: 360px; }
    .pillar .img { aspect-ratio: 16/10; }
    footer .top { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    nav.top, .hero, .explore, .challenge, .pillars, .position, .value, .latest, footer { padding-left: 18px; padding-right: 18px; }
    nav.top { padding-top: 14px; padding-bottom: 14px; }
    nav.top img.logo { height: 29px; }
    .hero .ctas { flex-direction: column; align-items: stretch; }
    .hero .ctas .pill { justify-content: center; }
    footer .top { grid-template-columns: 1fr; }
    .position .combine > div {
      grid-template-columns: 36px 1fr; gap: 8px 16px;
      padding: 24px 0;
    }
    .position .combine .output { grid-column: 1 / -1; margin-top: 6px; }
  }
/* ===== FOOTER ===== */
  footer { background: var(--ink); color: var(--paper); padding: 100px 48px 40px; }
  footer .footer-cta { text-align: center; margin-bottom: 100px; }
  footer .footer-cta h2 { font-family: 'Instrument Serif', var(--font-display, serif); font-weight: 400; font-size: clamp(48px, 6vw, 88px); line-height: 1; color: var(--paper); letter-spacing: -0.015em; margin-bottom: 32px; }
  footer .footer-cta h2 em { font-style: italic; color: var(--frog-vif); }
  footer .footer-cta .pills { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  footer .top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; border-bottom: 0.5px solid var(--line-dark, rgba(244,241,234,0.16)); max-width: 1440px; margin: 0 auto; }
  footer .col h4 { font-size: 11px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--frog-vif); margin-bottom: 22px; }
  footer .col a { display: block; padding: 6px 0; font-size: 14px; color: var(--paper); opacity: 0.86; text-decoration: none; transition: opacity 200ms, color 200ms; }
  footer .col a:hover { opacity: 1; color: var(--frog-vif); }
  footer .signature { font-family: 'Instrument Serif', var(--font-display, serif); font-style: italic; font-size: 26px; line-height: 1.2; margin-bottom: 28px; }
  footer .signature em { color: var(--frog-vif); }
  footer .bottom { display: flex; justify-content: space-between; padding-top: 32px; font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper); opacity: 0.6; max-width: 1440px; margin: 0 auto; }
  @media (max-width: 1024px) { footer .top { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 640px) { footer .top { grid-template-columns: 1fr; } }
/* ===== FRONTIER / APPROACH (scoped) ===== */
.tf-frontier,
.tf-approach {
  --tf-header: 72px;
  --tf-bg: #12241D;
  --tf-cream: #F7F5EC;
  --tf-sage: #AFC2B9;
  --tf-sage-dim: #7E9389;
  --tf-accent: #4FCB96;
  --tf-rule: #2B4038;
  --tf-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --tf-body: inherit;

  background: var(--tf-bg);
  color: var(--tf-cream);
  font-family: var(--tf-body);
}

.tf-frontier *,
.tf-approach * { box-sizing: border-box; }

.tf-frontier {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 30%);
  min-height: calc(100svh - var(--tf-header));
}

.tf-frontier__content {
  display: grid;
  grid-template-rows: repeat(4, auto);
  align-content: center;
  gap: clamp(1.25rem, 2.6vh, 2.25rem);
  padding: clamp(2rem, 5vh, 4rem) clamp(1.5rem, 4vw, 5rem);
  max-width: 64rem;
  margin-left: auto;
  width: 100%;
}

.tf-frontier__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tf-accent);
}

.tf-frontier__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tf-accent);
  flex: none;
}

.tf-frontier__intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: start;
}

.tf-frontier__title {
  margin: 0;
  font-family: var(--tf-display);
  font-size: clamp(1.75rem, min(3vw, 4.8vh), 3rem);
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.tf-frontier__title-muted,
.tf-frontier__title-strong { display: block; }
.tf-frontier__title-muted { color: var(--tf-sage-dim); }
.tf-frontier__title-strong { color: var(--tf-cream); }

.tf-frontier__intro-copy {
  display: grid;
  gap: clamp(0.875rem, 1.8vh, 1.5rem);
  padding-top: 0.35em;
}

.tf-frontier__lede {
  margin: 0;
  font-size: clamp(0.9375rem, min(1.05vw, 1.7vh), 1.0625rem);
  line-height: 1.65;
  color: var(--tf-sage);
}

.tf-frontier__body {
  margin: 0;
  font-size: clamp(0.875rem, min(0.95vw, 1.5vh), 0.9375rem);
  line-height: 1.7;
  color: var(--tf-sage-dim);
}

.tf-frontier__stats {
  list-style: none;
  margin: 0;
  padding: clamp(1rem, 2.2vh, 1.75rem) 0;
  border-top: 1px solid var(--tf-rule);
  border-bottom: 1px solid var(--tf-rule);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}

.tf-frontier__figure {
  margin: 0;
  font-family: var(--tf-display);
  font-size: clamp(1.5rem, min(2.3vw, 3.6vh), 2.375rem);
  line-height: 1.05;
  font-weight: 400;
  color: var(--tf-cream);
}

.tf-frontier__figure--word {
  font-style: italic;
  color: var(--tf-accent);
}

.tf-frontier__label {
  margin: clamp(0.5rem, 1.2vh, 0.875rem) 0 0;
  font-size: clamp(0.8125rem, min(0.9vw, 1.4vh), 0.875rem);
  line-height: 1.55;
  color: var(--tf-sage-dim);
}

.tf-frontier__close {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: start;
}

.tf-frontier__quote {
  margin: 0;
  padding: 0.15rem 0 0.15rem 1.25rem;
  border-left: 2px solid var(--tf-accent);
  font-family: var(--tf-display);
  font-style: italic;
  font-size: clamp(1rem, min(1.25vw, 2vh), 1.25rem);
  line-height: 1.45;
  color: var(--tf-cream);
}

.tf-frontier__media {
  position: relative;
  background: #000;
  overflow: hidden;
}

.tf-frontier__media img {
  position: absolute;
  top: -8%; left: 0; right: 0;
  width: 100%;
  height: 116%;
  object-fit: cover;
  display: block;
}

.tf-approach {
  border-top: 1px solid var(--tf-rule);
}

.tf-approach__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 4.5rem);
  align-items: start;
  padding: clamp(2.5rem, 6vh, 5rem) clamp(1.5rem, 4vw, 5rem);
  max-width: 90rem;
  margin: 0 auto;
}

.tf-approach__title {
  margin: 0;
  font-family: var(--tf-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.625rem, min(2.6vw, 4vh), 2.5rem);
  line-height: 1.2;
  color: var(--tf-accent);
}

.tf-approach__copy {
  display: grid;
  gap: 1.125rem;
}

.tf-approach__vision {
  margin: 0;
  font-size: clamp(1rem, min(1.2vw, 1.9vh), 1.1875rem);
  line-height: 1.6;
  color: var(--tf-cream);
}

.tf-approach__platform {
  margin: 0;
  padding-top: 1.125rem;
  border-top: 1px solid var(--tf-rule);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--tf-sage);
}

@media (max-width: 900px) {
  .tf-frontier {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .tf-frontier__content {
    max-width: none;
    margin-left: 0;
    order: 2;
    grid-template-rows: none;
    align-content: start;
    gap: 2rem;
  }

  .tf-frontier__media {
    order: 1;
    min-height: 40vh;
  }

  .tf-frontier__intro,
  .tf-frontier__close,
  .tf-approach__inner { grid-template-columns: 1fr; }

  .tf-frontier__stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}