@font-face { font-family: "Space Grotesk"; src: url("polices/space-grotesk.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("polices/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
:root {
  --bg: #06070a; --bg2: #0b0d12; --ink: #f2f0ea; --mute: rgba(242, 240, 234, .58); --line: rgba(255, 255, 255, .1);
  --accent: #e8b25a; --display: "Space Grotesk", system-ui, sans-serif; --body: "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1); --pad: clamp(20px, 5vw, 72px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 500; margin: 0; letter-spacing: -.02em; text-wrap: balance; }
em { font-style: normal; color: var(--accent); }
#nuage { position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100lvh; z-index: 0; pointer-events: none; }
.grain { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse at 70% 40%, transparent 30%, rgba(6, 7, 10, .55) 100%); }
main, footer { position: relative; z-index: 2; }

/* navigation */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; padding: 18px var(--pad); transition: background .4s, padding .4s var(--ease); border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(6, 7, 10, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); padding-top: 12px; padding-bottom: 12px; border-bottom-color: var(--line); }
.logo { display: flex; flex-direction: column; line-height: 1; font-family: var(--display); letter-spacing: .34em; font-size: 13px; }
.logo b { font-weight: 700; } .logo span { font-size: 9px; letter-spacing: .5em; color: var(--accent); margin-top: 5px; }
.nav nav { display: flex; gap: clamp(14px, 2.6vw, 34px); align-items: center; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; font-family: var(--display); }
.nav nav a { opacity: .78; transition: opacity .2s, color .2s; } .nav nav a:hover { opacity: 1; color: var(--accent); }
.nav-cta { border: 1px solid var(--line); padding: 9px 16px; border-radius: 999px; opacity: 1 !important; }

/* accueil */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 120px var(--pad) 90px; position: relative; }
.hero-text { max-width: min(640px, 100%); }
.kicker { font-family: var(--display); text-transform: uppercase; letter-spacing: .26em; font-size: 12px; color: var(--accent); margin: 0 0 22px; }
h1 { font-size: clamp(44px, 8.4vw, 124px); line-height: .94; }
.lead { color: var(--mute); font-size: clamp(16px, 1.45vw, 20px); max-width: 34em; margin: 28px 0 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; font-family: var(--display); font-size: 14px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--line); transition: transform .3s var(--ease), background .3s, border-color .3s, color .3s; }
.btn.primary { background: var(--accent); color: #17130a; border-color: transparent; font-weight: 600; }
.btn.ghost { background: rgba(255, 255, 255, .04); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.btn:hover { transform: translateY(-3px); } .btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.scan-tag { position: absolute; right: var(--pad); bottom: 44px; display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: center; font-family: var(--display); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.scan-tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: beat 2.4s ease-out infinite; }
.scan-tag small { grid-column: 2; color: var(--mute); letter-spacing: .08em; font-size: 11px; text-transform: none; }
@keyframes beat { 0% { box-shadow: 0 0 0 0 rgba(232, 178, 90, .7); } 100% { box-shadow: 0 0 0 14px rgba(232, 178, 90, 0); } }
.scroll-hint { position: absolute; left: var(--pad); bottom: 40px; width: 26px; height: 42px; border: 1px solid var(--line); border-radius: 14px; }
.scroll-hint span { position: absolute; left: 50%; top: 9px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--accent); animation: wheel 2s var(--ease) infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* sections */
.band { padding: clamp(40px, 8vw, 110px) var(--pad); background: linear-gradient(180deg, transparent, rgba(6, 7, 10, .9) 45%, var(--bg)); }
.band p { font-family: var(--display); font-size: clamp(22px, 3.2vw, 44px); line-height: 1.22; max-width: 22em; margin: 0; color: var(--mute); letter-spacing: -.01em; }
.band strong { color: var(--ink); font-weight: 500; }
.section { padding: clamp(60px, 9vw, 130px) var(--pad); background: var(--bg); position: relative; }
.section-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 54px); }
h2 { font-size: clamp(32px, 5vw, 68px); line-height: 1.02; }
.sub { color: var(--mute); font-size: clamp(15px, 1.25vw, 18px); margin: 18px 0 0; max-width: 38em; }

/* catalogue */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.chip { font: inherit; font-family: var(--display); font-size: 13px; letter-spacing: .06em; color: var(--mute); background: none; border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px; cursor: pointer; transition: all .25s; }
.chip:hover { color: var(--ink); border-color: rgba(255, 255, 255, .3); }
.chip[aria-selected="true"] { background: var(--ink); color: #0b0c10; border-color: transparent; }
.chip sup { font-size: 10px; margin-left: 5px; opacity: .6; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: clamp(14px, 2vw, 26px); perspective: 1400px; }
.card { position: relative; display: flex; flex-direction: column; border-radius: 22px; overflow: hidden; background: var(--bg2); border: 1px solid var(--line); transition: transform .5s var(--ease), border-color .3s, box-shadow .5s, opacity 1s var(--ease); will-change: transform; }
.card:hover { border-color: rgba(232, 178, 90, .6); box-shadow: 0 30px 80px rgba(0, 0, 0, .55); }
.card-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #101319; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.2s var(--ease), filter .6s; filter: saturate(.92) brightness(.9); }
.card:hover .card-img img { transform: scale(1.06); filter: none; }
.card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11, 13, 18, .95)); }
.card-tag { position: absolute; left: 16px; top: 16px; z-index: 1; font-family: var(--display); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; background: rgba(6, 7, 10, .7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid var(--line); }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 24px; }
.card-body p { margin: 0; color: var(--mute); font-size: 14.5px; }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; padding-top: 14px; font-family: var(--display); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.card-foot b { color: var(--accent); font-weight: 500; display: inline-flex; gap: 8px; align-items: center; white-space: nowrap; transition: gap .3s var(--ease); }
.card:hover .card-foot b { gap: 14px; }
.empty { color: var(--mute); }

/* usages */
.usages { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 22px; overflow: hidden; }
.usage { background: var(--bg); padding: clamp(22px, 2.6vw, 36px); min-height: 220px; display: flex; flex-direction: column; gap: 10px; transition: background .4s, opacity 1s var(--ease), transform 1.1s var(--ease); }
.usage:hover { background: #0e1118; }
.usage .num { font-family: var(--display); font-size: 12px; letter-spacing: .2em; color: var(--accent); }
.usage h3 { font-size: 24px; margin-top: auto; }
.usage p { margin: 0; color: var(--mute); font-size: 14.5px; }

/* méthode */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: clamp(18px, 3vw, 44px); }
.steps li { border-top: 1px solid var(--line); padding-top: 22px; }
.steps span { font-family: var(--display); font-size: clamp(44px, 6vw, 84px); line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .28); }
.steps h3 { font-size: 26px; margin: 14px 0 8px; } .steps p { margin: 0; color: var(--mute); }

.contact { text-align: center; padding-top: clamp(80px, 12vw, 170px); padding-bottom: clamp(80px, 12vw, 170px); background: radial-gradient(ellipse at 50% 120%, rgba(232, 178, 90, .16), transparent 60%), var(--bg); }
.contact .sub { margin: 16px auto 34px; }
footer { background: var(--bg); border-top: 1px solid var(--line); padding: 34px var(--pad); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; color: var(--mute); font-size: 13px; }
footer p { margin: 0; }

/* apparitions */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 820px) {
  .nav nav a:not(.nav-cta):not([href="#experiences"]) { display: none; }
  .hero { align-items: flex-end; padding-bottom: 130px; }
  .scan-tag { left: var(--pad); right: auto; bottom: 64px; }
  .scroll-hint { display: none; }
  .grain { background: linear-gradient(180deg, rgba(6, 7, 10, .25), rgba(6, 7, 10, .2) 40%, rgba(6, 7, 10, .88) 82%); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scan-tag i, .scroll-hint span { animation: none; }
}