:root {
  --ink: #1c2d27;
  --forest: #213d32;
  --deep: #132820;
  --sage: #8d9b84;
  --cream: #f5f0e6;
  --paper: #fbf9f3;
  --clay: #b9785c;
  --line: rgba(28, 45, 39, .19);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; padding: .75rem 1rem; background: white; }
.skip-link:focus { top: 1rem; }
.eyebrow { margin: 0 0 1.4rem; font: 600 .67rem/1.2 "Manrope", sans-serif; letter-spacing: .19em; text-transform: uppercase; }
h1, h2 { margin: 0; font-family: "Newsreader", serif; font-weight: 400; letter-spacing: -.035em; }
h2 { font-size: clamp(2.8rem, 5vw, 5.4rem); line-height: .98; }
p { line-height: 1.65; }
.section { padding: 8.5rem max(5vw, 2rem); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.45rem; padding: 0 1.55rem; border: 1px solid var(--ink); background: var(--ink); color: white; font: 600 .72rem "Manrope", sans-serif; letter-spacing: .08em; text-transform: uppercase; transition: .25s ease; }
.button:hover { color: var(--ink); background: transparent; }
.button-small { min-height: 2.8rem; padding: 0 1.1rem; }
.text-link { display: inline-flex; gap: 1rem; align-items: center; padding-bottom: .35rem; border-bottom: 1px solid currentColor; font-size: .77rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(.25rem); }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; height: 6.4rem; padding: 0 max(4vw, 2rem); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; color: white; border-bottom: 1px solid rgba(255,255,255,.32); }
.brand { display: inline-flex; width: max-content; flex-direction: column; gap: .25rem; }
.brand span, .footer-brand span { font: 500 1.2rem "Manrope", sans-serif; letter-spacing: .32em; }
.brand small, .footer-brand small { font: 400 .56rem "Manrope", sans-serif; letter-spacing: .08em; }
nav { display: flex; gap: 2.5rem; font-size: .78rem; }
nav a { position: relative; }
nav a:after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.55rem; height: 1px; background: currentColor; transition: .25s; }
nav a:hover:after { right: 0; }
.site-header > .button { justify-self: end; border-color: white; background: white; color: var(--ink); }
.site-header > .button:hover { color: white; background: transparent; }
.menu-toggle, .mobile-nav { display: none; }

.hero { position: relative; min-height: 100svh; color: white; overflow: hidden; }
.hero-image { position: absolute; inset: 0; background: url("assets/nettoyer-hero.png") center/cover no-repeat; transform: scale(1.01); animation: settle 1.8s ease both; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,25,19,.74) 0%, rgba(12,25,19,.44) 41%, rgba(12,25,19,.05) 74%), linear-gradient(0deg, rgba(12,25,19,.35), transparent 45%); }
.hero-copy { position: relative; z-index: 1; max-width: 52rem; padding: clamp(12rem, 22vh, 16rem) 5vw 9rem; }
.hero h1 { font-size: clamp(4rem, 7.1vw, 7.8rem); line-height: .9; }
.hero h1 em { font-weight: 400; color: #d9dfcf; }
.hero-intro { max-width: 38rem; margin: 2rem 0 2.5rem; font-size: 1.08rem; }
.hero-actions { display: flex; align-items: center; gap: 2rem; }
.hero .button { border-color: white; background: white; color: var(--ink); }
.hero .button:hover { background: transparent; color: white; }
.text-link.light { color: white; }
.hero-note { position: absolute; right: 5vw; bottom: 4.5rem; z-index: 1; display: flex; gap: 1rem; align-items: flex-start; font-size: .78rem; line-height: 1.5; }
.note-number { color: #d9dfcf; font-size: .64rem; letter-spacing: .1em; }
.scroll-cue { position: absolute; left: 5vw; bottom: 3rem; z-index: 1; display: flex; gap: .7rem; align-items: center; font-size: .63rem; letter-spacing: .18em; text-transform: uppercase; transform: rotate(-90deg); transform-origin: left center; }
@keyframes settle { from { opacity: .3; transform: scale(1.08); } }

.intro { background: var(--cream); }
.intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 10vw; align-items: start; }
.intro-copy { max-width: 35rem; padding-top: .5rem; }
.intro-copy p:first-child { margin-top: 0; font-size: 1.2rem; }
.intro-copy .text-link { margin-top: 1.5rem; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 8rem; border-top: 1px solid var(--line); }
.principles article { min-height: 15rem; padding: 2rem 3.5rem 1rem 0; border-right: 1px solid var(--line); }
.principles article + article { padding-left: 3rem; }
.principles article:last-child { border: 0; }
.principles span, .steps > li > span { font: 500 .67rem "Manrope", sans-serif; letter-spacing: .12em; color: var(--clay); }
.principles h3 { margin: 3.8rem 0 .6rem; font: 400 1.5rem "Newsreader", serif; }
.principles p { margin: 0; color: #506058; font-size: .88rem; }

.dark { color: #eef1e8; background: var(--deep); }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 8vw; align-items: end; margin-bottom: 5rem; }
.section-heading > p { max-width: 29rem; margin: 0 0 .3rem; color: #5a675f; }
.dark .section-heading > p { color: #adbbb2; }
.concern-list { border-top: 1px solid rgba(255,255,255,.2); }
.concern { width: 100%; display: grid; grid-template-columns: 5rem 1fr 1fr auto; gap: 1rem; align-items: center; padding: 1.65rem 0; color: inherit; border: 0; border-bottom: 1px solid rgba(255,255,255,.2); background: none; text-align: left; cursor: pointer; }
.concern span { color: #91a198; font-size: .65rem; }
.concern strong { font: 400 clamp(1.4rem, 2.5vw, 2.5rem) "Newsreader", serif; }
.concern em { color: #91a198; font-size: .75rem; font-style: normal; }
.concern b { font-size: 1.3rem; font-weight: 300; transition: .25s; }
.concern:hover strong, .concern.active strong { color: #d6c49c; }
.concern.active b { transform: rotate(45deg); }
.concern-detail { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; margin: 3rem 0 0 5rem; padding: 2.3rem 0 0; border-top: 1px solid rgba(255,255,255,.1); }
.concern-detail p { margin: 0; max-width: 44rem; color: #c3cec7; }

.services { background: var(--paper); }
.service-grid { display: grid; grid-template-columns: 1.18fr 1fr 1fr; border: 1px solid var(--line); }
.service-card { min-height: 33rem; padding: 2.2rem; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); transition: .25s; }
.service-card:last-child { border: 0; }
.service-card:hover { background: var(--cream); }
.service-card.featured { color: white; background: var(--forest); }
.service-top { display: flex; justify-content: space-between; font: 500 .68rem "Manrope", sans-serif; letter-spacing: .1em; }
.pill { padding: .45rem .65rem; border: 1px solid rgba(255,255,255,.35); border-radius: 4rem; }
.service-card h3 { max-width: 20rem; margin: 0 0 1rem; font: 400 2.4rem/1 "Newsreader", serif; }
.service-card p { color: #5c6861; }
.service-card.featured p { color: #c8d2cb; }
.service-card a { display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid currentColor; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }

.process { background: #dde2d7; }
.process > h2 { max-width: 56rem; }
.steps { margin: 6rem 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.steps li { display: grid; grid-template-columns: 5rem 1fr; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.steps li div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; }
.steps h3 { margin: 0; font: 400 2.25rem "Newsreader", serif; }
.steps p { max-width: 34rem; margin: 0; color: #506058; }

.founder { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; background: var(--cream); }
.founder-visual { position: relative; min-height: 39rem; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between; background: #d3c7b4; overflow: hidden; }
.founder-visual:before { content: ""; position: absolute; inset: -20%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.5), transparent 30%), repeating-linear-gradient(105deg, transparent 0 22px, rgba(50,45,38,.03) 22px 23px); transform: rotate(-8deg); }
.material-card { position: relative; z-index: 1; width: 65%; padding: 1rem; background: rgba(249,246,238,.82); backdrop-filter: blur(8px); }
.material-card.offset { align-self: flex-end; }
.material-card span, .material-card small { display: block; font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; }
.material-card strong { display: block; margin: 2rem 0 .35rem; font: 400 1.4rem "Newsreader", serif; }
.founder-monogram { position: absolute; left: 50%; top: 50%; z-index: 0; color: rgba(255,255,255,.46); font: 400 16rem "Newsreader", serif; transform: translate(-50%,-50%); }
.founder-copy { align-self: center; max-width: 38rem; }
.founder-copy .lead { margin-top: 2.5rem; font: 400 1.4rem/1.5 "Newsreader", serif; }
.founder-copy .text-link { margin-top: 1.2rem; }

.journal { background: var(--paper); }
.journal .section-heading { align-items: end; }
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.journal-art { aspect-ratio: 4/3; margin-bottom: 1.5rem; display: grid; place-items: center; overflow: hidden; color: rgba(255,255,255,.76); font: 400 clamp(4rem, 9vw, 9rem) "Newsreader", serif; }
.art-one { background: radial-gradient(circle at 25% 30%, #d9a985, transparent 24%), #7c927f; }
.art-two { background: linear-gradient(135deg, #d8d0bd 0 49%, #8f9e88 50%); }
.art-three { background: radial-gradient(circle, transparent 0 20%, rgba(255,255,255,.17) 21% 22%, transparent 23% 38%, rgba(255,255,255,.12) 39% 40%, transparent 41%), #886652; }
.journal-grid .eyebrow { margin-bottom: .9rem; color: #637067; }
.journal-grid h3 { min-height: 4.2rem; margin: 0 0 1.5rem; font: 400 1.6rem/1.2 "Newsreader", serif; }
.journal-summary { margin: 0; color: #59675f; font-size: .88rem; line-height: 1.65; }

.cta { padding-top: 10rem; padding-bottom: 10rem; color: white; background: var(--forest); text-align: center; }
.cta h2 { max-width: 62rem; margin: 0 auto; }
.cta > p:not(.eyebrow) { margin: 2rem auto; color: #cbd5ce; }
.button-light { border-color: white; color: var(--ink); background: white; }
.button-light:hover { color: white; }

footer { padding: 4.5rem 5vw 3rem; display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 3rem; color: #dbe2dc; background: #0c1b15; }
.footer-brand { display: flex; flex-direction: column; gap: .5rem; }
footer > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: .7rem; font-size: .78rem; }
footer p { margin: 0 0 .7rem; color: #7f9187; font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-note { justify-content: space-between; }
.footer-note span { color: #7f9187; }

@media (max-width: 900px) {
  .section { padding: 6rem 1.4rem; }
  .site-header { grid-template-columns: 1fr auto; height: 5rem; padding: 0 1.2rem; }
  .site-header nav, .site-header > .button { display: none; }
  .menu-toggle { display: flex; flex-direction: column; gap: .4rem; padding: .8rem; border: 0; background: none; }
  .menu-toggle { position: fixed; top: .75rem; right: 1rem; z-index: 11; border-radius: 50%; background: rgba(19,40,32,.82); backdrop-filter: blur(6px); }
  .menu-toggle span { width: 1.3rem; height: 1px; background: white; }
  .mobile-nav { position: fixed; inset: 0; z-index: 9; padding: 8rem 2rem 3rem; flex-direction: column; gap: 1.5rem; color: white; background: var(--deep); font: 400 2rem "Newsreader", serif; }
  .mobile-nav.open { display: flex; }
  .hero-copy { padding: 11rem 1.4rem 7rem; }
  .hero h1 { font-size: clamp(3rem, 13vw, 4rem); line-height: .93; }
  .hero-intro { font-size: 1rem; }
  .hero-note { display: none; }
  .scroll-cue { left: 1.5rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .intro-grid, .section-heading, .founder { grid-template-columns: 1fr; gap: 3rem; }
  .principles { grid-template-columns: 1fr; margin-top: 5rem; }
  .principles article, .principles article + article { min-height: 0; padding: 2rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles h3 { margin-top: 2rem; }
  .concern { grid-template-columns: 2.5rem 1fr auto; }
  .concern em { display: none; }
  .concern-detail { grid-template-columns: 1fr; gap: .5rem; margin-left: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 27rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .steps li { grid-template-columns: 3rem 1fr; }
  .steps li div { grid-template-columns: 1fr; gap: .4rem; }
  .founder-visual { min-height: 31rem; }
  .journal-grid { grid-template-columns: 1fr; gap: 4rem; }
  .journal-grid h3 { min-height: 0; }
  footer { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-note { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}