/* Laboratoire Axiome — couleurs et polices dans :root */
:root {
  --teal: #0f766e;
  --teal-d: #0b5d57;
  --mint: #5eead4;
  --mint-50: #effcf9;
  --amber: #fbbf24;
  --ink: #0f2a2a;
  --text: #4b6362;
  --muted: #7f9493;
  --line: #dcecea;
  --bg: #f6fbfa;
  --radius: 22px;
  --shadow: 0 22px 44px -26px rgba(11, 93, 87, .45);
  --head: "Outfit", system-ui, sans-serif;
  --body: "DM Sans", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; font: 400 16.5px/1.7 var(--body); color: var(--text); background: #fff; overflow-x: hidden; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
svg { width: 1.2em; height: 1.2em; flex: none; }
h1, h2, h3 { font-family: var(--head); color: var(--ink); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.015em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 28px; } }
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; padding: 10px 16px; background: var(--ink); color: #fff; }
.skip:focus { top: 12px; }
.section { padding: clamp(70px, 9vw, 110px) 0; }
.head { text-align: center; max-width: 720px; margin: 0 auto clamp(34px, 5vw, 52px); }
.eyebrow { display: inline-block; padding: 5px 14px; border-radius: 999px; background: var(--mint-50); color: var(--teal); font: 600 .8rem var(--head); letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.eyebrow--light { background: rgba(94, 234, 212, .15); color: var(--mint); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 24px; border-radius: 999px; border: 0; background: var(--teal); color: #fff; font: 600 .98rem var(--head); text-decoration: none; cursor: pointer; transition: background-color .25s, transform .25s, box-shadow .25s; box-shadow: 0 12px 24px -12px rgba(15, 118, 110, .8); }
.btn:hover { background: var(--teal-d); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--teal-d); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--light:hover { background: var(--mint-50); }
.btn--sm { min-height: 42px; padding: 8px 18px; font-size: .92rem; }

/* header */
.header { position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .9); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.header.is-scrolled { border-color: var(--line); }
.header__in { display: flex; align-items: center; gap: 22px; min-height: 76px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 700 1.4rem/1 var(--head); color: var(--ink); }
.logo small { display: block; font: 500 .68rem var(--body); color: var(--muted); letter-spacing: .02em; margin-top: 4px; }
.logo__mark { width: 44px; height: 44px; transition: transform .8s; }
.logo:hover .logo__mark { transform: rotate(120deg); }
.logo--light { color: #fff; }
.logo--light small { color: #a7d7d1; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) { position: relative; padding: 8px 14px; text-decoration: none; font-weight: 500; color: var(--ink); }
.nav a:not(.btn)::before { content: ""; position: absolute; left: 50%; bottom: 2px; width: 6px; height: 6px; margin-left: -3px; border-radius: 50%; background: var(--teal); transform: scale(0); transition: transform .25s; }
.nav a:not(.btn):hover::before, .nav a.is-active::before { transform: scale(1); }
.nav__cta { display: none; }
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--mint-50); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 6px; margin-left: auto; }
.burger span { width: 20px; height: 2px; background: var(--teal-d); transition: transform .3s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
@media (max-width: 920px) {
  .burger { display: flex; }
  .header__cta { display: none; }
  .nav { position: absolute; top: calc(100% + 8px); left: 12px; right: 12px; flex-direction: column; align-items: stretch; padding: 14px; border-radius: 20px; background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line); transform-origin: top right; transform: scale(.9); opacity: 0; visibility: hidden; transition: transform .3s cubic-bezier(.2, .8, .2, 1), opacity .25s, visibility .25s; }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 12px; font-size: 1.05rem; border-radius: 12px; }
  .nav a:not(.btn):hover { background: var(--mint-50); }
  .nav a:not(.btn)::before { display: none; }
  .nav__cta { display: inline-flex; margin-top: 6px; }
}

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #fff, var(--bg)); padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 8vw, 100px); }
.hero__molecules { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__in { position: relative; display: grid; gap: 50px; align-items: center; }
@media (min-width: 960px) { .hero__in { grid-template-columns: 1.05fr .95fr; } }
.chip { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .9rem; font-weight: 500; color: var(--ink); box-shadow: 0 6px 16px -10px rgba(0, 0, 0, .2); }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: #22c55e; animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .6); } 80%, 100% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); } }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); margin-top: 20px; }
.hl { position: relative; color: var(--teal); white-space: nowrap; }
.hl::after { content: ""; position: absolute; left: 0; right: 0; bottom: .05em; height: .28em; background: var(--amber); opacity: .4; z-index: -1; border-radius: 4px; transform-origin: left; animation: mark 1.2s .5s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes mark { from { transform: scaleX(0); } }
.lead { font-size: 1.12rem; max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 34px; }
.hero__trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 14px 34px; }
.hero__trust li { display: grid; font-size: .88rem; color: var(--muted); }
.hero__trust strong { font: 700 1.5rem var(--head); color: var(--ink); }
.hero__visual { position: relative; justify-self: center; width: min(100%, 470px); }
.blob { border-radius: 58% 42% 46% 54% / 46% 52% 48% 54%; overflow: hidden; aspect-ratio: 724 / 900; box-shadow: var(--shadow); animation: morph 14s ease-in-out infinite; background: var(--mint-50); }
.blob img { width: 100%; height: 100%; object-fit: cover; }
@keyframes morph { 50% { border-radius: 44% 56% 58% 42% / 56% 42% 58% 44%; } }
.float { position: absolute; display: flex; gap: 12px; align-items: center; padding: 12px 16px; border-radius: 16px; background: #fff; box-shadow: var(--shadow); font-size: .82rem; color: var(--muted); line-height: 1.3; animation: bob 5s ease-in-out infinite; }
.float strong { display: block; color: var(--ink); font: 600 .95rem var(--head); }
.float svg { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: var(--mint-50); color: var(--teal); }
.float--a { left: -24px; top: 18%; }
.float--b { right: -18px; bottom: 14%; animation-delay: -2.5s; }
.float--b svg { background: #fff7e0; color: #b7791f; }
@keyframes bob { 50% { transform: translateY(-12px); } }
@media (max-width: 560px) { .float--a { left: 0; } .float--b { right: 0; } }
.helix { position: absolute; right: -40px; top: -10px; width: 46px; height: 200px; opacity: .8; }
.helix circle { fill: var(--teal); }
.helix circle.b { fill: var(--amber); }
.helix line { stroke: var(--line); stroke-width: 2; }
@media (max-width: 960px) { .helix { display: none; } }

/* strip */
.strip { background: var(--teal-d); color: #cdeeea; }
.strip__grid { display: grid; gap: 0; }
@media (min-width: 800px) { .strip__grid { grid-template-columns: repeat(3, 1fr); } }
.strip__item { display: flex; gap: 14px; align-items: center; padding: 22px 10px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
@media (min-width: 800px) { .strip__item { border-bottom: 0; border-right: 1px solid rgba(255, 255, 255, .1); padding: 26px 20px; } .strip__item:last-child { border-right: 0; } }
.strip__item > svg { width: 44px; height: 44px; padding: 11px; border-radius: 50%; background: rgba(94, 234, 212, .15); color: var(--mint); }
.strip strong { display: block; color: #fff; font-family: var(--head); }
.strip a { color: var(--amber); font-weight: 700; text-decoration: none; }

/* analyses */
.finder { display: flex; align-items: center; gap: 10px; max-width: 560px; margin: 24px auto 0; padding: 6px 8px 6px 18px; border-radius: 999px; background: #fff; border: 1.5px solid var(--line); box-shadow: var(--shadow); }
.finder:focus-within { border-color: var(--teal); }
.finder svg { color: var(--muted); }
.finder input { flex: 1; min-width: 0; border: 0; outline: none; font: inherit; padding: 10px 4px; color: var(--ink); background: none; }
.an-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.an { position: relative; padding: 30px 28px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); overflow: hidden; transition: transform .35s, box-shadow .35s, background-color .35s; }
.an::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 140px; height: 140px; border-radius: 50%; border: 18px solid rgba(15, 118, 110, .06); transition: transform .6s; }
.an:hover { transform: translateY(-6px); background: #fff; box-shadow: var(--shadow); }
.an:hover::after { transform: scale(1.5); }
.an__icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; background: #fff; color: var(--teal); margin-bottom: 18px; box-shadow: 0 8px 18px -10px rgba(15, 118, 110, .5); transition: background-color .3s, color .3s, transform .5s; }
.an__icon svg { width: 28px; height: 28px; }
.an:hover .an__icon { background: var(--teal); color: #fff; transform: rotate(-10deg); }
.an p { margin-bottom: 14px; }
.an__time { display: inline-flex; padding: 4px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .82rem; font-weight: 700; color: var(--teal-d); }
.an.is-hit { outline: 2px solid var(--amber); }
.an-empty { text-align: center; margin-top: 20px; }

/* process */
.process { background: var(--bg); }
.flow { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; position: relative; }
@media (min-width: 860px) { .flow { grid-template-columns: repeat(4, 1fr); } .flow::before { content: ""; position: absolute; top: 30px; left: 12%; right: 12%; height: 2px; background: repeating-linear-gradient(90deg, var(--teal) 0 10px, transparent 10px 18px); } }
.flow li { position: relative; text-align: center; padding: 0 10px; }
.flow span { position: relative; display: grid; place-items: center; width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%; background: #fff; border: 2px solid var(--teal); font: 700 1.3rem var(--head); color: var(--teal); transition: background-color .3s, color .3s; }
.flow li:hover span { background: var(--teal); color: #fff; }
.flow p { color: var(--muted); }

/* research */
.research { background: linear-gradient(140deg, var(--ink), #134e4a); color: #b9d8d4; }
.research h2 { color: #fff; }
.research__grid { display: grid; gap: 50px; align-items: center; }
@media (min-width: 960px) { .research__grid { grid-template-columns: .9fr 1.1fr; } }
.research__media { position: relative; padding: 0 22% 16% 0; }
.research__media img:first-child { border-radius: var(--radius); width: 100%; aspect-ratio: 578 / 702; object-fit: cover; }
.research__media img:last-child { position: absolute; right: 0; bottom: 0; width: 46%; border-radius: var(--radius); border: 6px solid #134e4a; }
.axes { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 16px; }
.axes button { padding: 8px 16px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .2); background: transparent; color: #d7efec; font: 500 .9rem var(--body); cursor: pointer; transition: background-color .2s, color .2s; }
.axes button[aria-selected="true"] { background: var(--mint); color: var(--ink); border-color: var(--mint); }
.axe-panel { min-height: 120px; padding: 20px; border-radius: 16px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); animation: fade .4s; }
.axe-panel h3 { color: #fff; margin-bottom: 6px; }
.axe-panel p { margin: 0; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.nums { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0 0; }
@media (min-width: 600px) { .nums { grid-template-columns: repeat(4, 1fr); } }
.nums dt { font-size: .82rem; }
.nums dd { margin: 0; font: 700 2rem var(--head); color: var(--amber); }

/* gallery: horizontal accordion */
.gal { display: flex; gap: 12px; height: 420px; padding: 0 16px; max-width: 1240px; margin: 0 auto; }
.gal figure { position: relative; flex: 1; margin: 0; border-radius: var(--radius); overflow: hidden; transition: flex .6s cubic-bezier(.2, .8, .2, 1); cursor: pointer; }
.gal figure:hover, .gal figure:focus-within { flex: 3; }
.gal img { width: 100%; height: 100%; object-fit: cover; }
.gal figcaption { position: absolute; left: 16px; bottom: 16px; padding: 6px 14px; border-radius: 999px; background: rgba(255, 255, 255, .92); font: 600 .9rem var(--head); color: var(--ink); white-space: nowrap; opacity: 0; transform: translateY(8px); transition: opacity .3s, transform .3s; }
.gal figure:hover figcaption { opacity: 1; transform: none; }
@media (max-width: 760px) { .gal { height: auto; overflow-x: auto; scroll-snap-type: x mandatory; } .gal figure { flex: 0 0 70%; aspect-ratio: 3 / 4; scroll-snap-align: center; } .gal figure:hover { flex: 0 0 70%; } .gal figcaption { opacity: 1; transform: none; } }

/* team */
.team { background: var(--bg); }
.team__grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.member { margin: 0; text-align: center; padding: 26px 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); transition: transform .35s, box-shadow .35s; }
.member:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.member img { width: 130px; height: 130px; object-fit: cover; margin: 0 auto 16px; border-radius: 50%; box-shadow: 0 0 0 6px var(--mint-50); transition: box-shadow .35s; }
.member:hover img { box-shadow: 0 0 0 6px var(--mint); }
.member strong { display: block; font: 600 1.1rem var(--head); color: var(--ink); }
.member span { font-size: .9rem; color: var(--muted); }

/* infos */
.infos__grid { display: grid; gap: 40px; }
@media (min-width: 960px) { .infos__grid { grid-template-columns: 1fr 1fr; } }
.hours { width: 100%; border-collapse: collapse; margin: 6px 0 24px; }
.hours th, .hours td { padding: 12px 0; border-bottom: 1px dashed var(--line); text-align: left; }
.hours th { font-weight: 500; color: var(--ink); }
.hours td { text-align: right; font-weight: 700; color: var(--teal-d); }
.info { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 12px; }
.info li { display: flex; gap: 12px; align-items: center; color: var(--ink); }
.info svg { width: 40px; height: 40px; padding: 10px; border-radius: 12px; background: var(--mint-50); color: var(--teal); }
.info a { text-decoration: none; }
.tip { padding: 16px 18px; border-radius: 16px; background: #fff7e0; border-left: 4px solid var(--amber); color: #6b5310; }
.form { display: grid; gap: 16px; align-content: start; padding: clamp(22px, 4vw, 36px); border-radius: 26px; background: var(--bg); border: 1px solid var(--line); }
.form__row { display: grid; gap: 16px; }
@media (min-width: 560px) { .form__row { grid-template-columns: 1fr 1fr; } }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--ink); }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 13px 14px; border-radius: 14px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(15, 118, 110, .14); }
.form .is-bad { border-color: #dc2626; }
.form .btn { justify-self: start; }
.form__msg { margin: 0; font-weight: 600; color: var(--teal); }
.form__msg:empty { display: none; }

.footer { background: var(--ink); color: #a7c4c0; padding: 34px 0; }
.footer__in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.footer p { margin: 0; font-size: .9rem; }
.to-top { position: fixed; right: 16px; bottom: 16px; z-index: 50; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--teal); color: #fff; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(14px); transition: opacity .3s, transform .3s; }
.to-top svg { transform: rotate(-90deg); }
.to-top.is-on { opacity: 1; pointer-events: auto; transform: none; }

.js [data-reveal] { opacity: 0; transform: translateY(26px) scale(.98); transition: opacity .8s, transform .8s cubic-bezier(.2, .8, .2, 1); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.an-grid [data-reveal]:nth-child(3n+2), .team__grid [data-reveal]:nth-child(2) { transition-delay: .08s; }
.an-grid [data-reveal]:nth-child(3n), .team__grid [data-reveal]:nth-child(3) { transition-delay: .16s; }
.team__grid [data-reveal]:nth-child(4) { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; } }