/* ═══════════════════════════════════════════════════════════
   ADN 3D — "Nébuleuse ADN"
   Palette tirée du logo : cyan, magenta, orange, bleu, violet.
   Fond noir spatial, mais VIVANT et COLORÉ.
═══════════════════════════════════════════════════════════ */
:root {
  --bg: #02030A;
  --ink: #EAF0FF;
  --gris: #8A93B5;
  --cyan: #18E0FF;
  --blue: #2D7FFF;
  --mag: #FF2E9A;
  --red: #FF3B3B;
  --orange: #FF7A1A;
  --yellow: #FFC93C;
  --purple: #8B5CF6;
  --accent: var(--cyan);
  --panel: rgba(10, 13, 28, 0.62);
  --panel-2: rgba(6, 8, 20, 0.7);
  --clip-btn: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  --clip-card: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  --clip-input: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  --hex: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  --asteroid: polygon(22% 5%, 45% 0%, 70% 6%, 90% 20%, 100% 46%, 96% 70%, 78% 92%, 52% 100%, 27% 96%, 8% 80%, 0% 52%, 5% 24%);
  /* progression brut → cercle (badges 1→4) */
  --ast1: polygon(50% 0, 65% 7%, 79% 3%, 85% 19%, 100% 32%, 91% 48%, 100% 65%, 83% 75%, 87% 93%, 65% 87%, 49% 100%, 33% 89%, 14% 96%, 18% 75%, 1% 63%, 11% 47%, 0 31%, 17% 21%, 13% 4%, 35% 11%);
  --ast2: polygon(50% 2%, 70% 7%, 86% 18%, 95% 36%, 90% 54%, 97% 72%, 80% 85%, 60% 95%, 42% 96%, 24% 86%, 10% 70%, 5% 50%, 9% 30%, 24% 13%, 38% 7%);
  --ast3: polygon(50% 5%, 70% 9%, 88% 24%, 95% 46%, 90% 70%, 73% 89%, 50% 95%, 27% 89%, 10% 70%, 5% 46%, 12% 24%, 30% 9%);
  --mono: 'Share Tech Mono', Consolas, monospace;
}
@property --ang { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { background: transparent; color: var(--ink); font-family: 'Inter', sans-serif; line-height: 1.6; overflow-x: hidden; }
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; line-height: 1.1; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--mag); color: #fff; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
section[id], div[id] { scroll-margin-top: 40px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Scène WebGL */
#webgl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; display: block; }
#veil { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse 72% 62% at 50% 42%, transparent 46%, rgba(2, 3, 10, 0.42) 100%); }
#nebula { position: fixed; inset: 0; z-index: -3; pointer-events: none; background:
  radial-gradient(circle at 20% 26%, rgba(24, 224, 255, 0.20), transparent 40%),
  radial-gradient(circle at 80% 28%, rgba(255, 46, 154, 0.18), transparent 42%),
  radial-gradient(circle at 66% 76%, rgba(255, 122, 26, 0.15), transparent 42%),
  radial-gradient(circle at 30% 80%, rgba(139, 92, 246, 0.17), transparent 42%),
  var(--bg); }
body.no-webgl #webgl { background: radial-gradient(ellipse at 50% 38%, rgba(45,127,255,0.12), transparent 55%), radial-gradient(ellipse at 60% 60%, rgba(255,46,154,0.1), transparent 55%), var(--bg); }

/* ───── Loader : séquence d'allumage ───── */
#loader { position: fixed; inset: 0; z-index: 500; background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; transition: opacity 0.8s ease, visibility 0.8s; }
body.ready #loader { opacity: 0; visibility: hidden; }
.ld-logo { display: flex; align-items: center; gap: 16px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 2rem; letter-spacing: 0.02em; animation: ldPulse 1.6s ease-in-out infinite; }
.ld-logo img { width: 104px; height: 104px; filter: drop-shadow(0 0 20px rgba(45,127,255,0.65)); }
.ld-logo span { color: var(--cyan); }
@keyframes ldPulse { 0%,100% { transform: scale(1); filter: none; } 50% { transform: scale(1.04); } }
.ld-bar { width: min(240px, 60vw); height: 3px; background: rgba(255,255,255,0.08); overflow: hidden; clip-path: polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%); }
.ld-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--mag), var(--orange)); animation: ldFill 2.6s cubic-bezier(0.5,0,0.2,1) forwards; box-shadow: 0 0 12px rgba(24,224,255,0.8); }
@keyframes ldFill { 0% { width: 0; } 70% { width: 82%; } 100% { width: 100%; } }
.ld-txt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--cyan); opacity: 0.8; }

#progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--cyan), var(--mag), var(--orange)); z-index: 200; box-shadow: 0 0 12px rgba(24, 224, 255, 0.7); }

.brandmark { position: fixed; top: 18px; left: 22px; z-index: 100; display: flex; align-items: center; gap: 10px; opacity: 0; transition: opacity 0.6s; }
.brandmark.show { opacity: 1; }
.brandmark img { width: 38px; height: 38px; filter: drop-shadow(0 0 10px rgba(45, 127, 255, 0.5)); }
.brandmark b { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
.brandmark b span { color: var(--cyan); }

.dotnav { position: fixed; top: 50%; right: 22px; transform: translateY(-50%); z-index: 100; display: flex; flex-direction: column; gap: 18px; opacity: 0; transition: opacity 0.6s; }
.dotnav.show { opacity: 1; }
.dotnav a { width: 11px; height: 11px; border-radius: 50%; border: 1.5px solid rgba(138, 147, 181, 0.6); position: relative; transition: border-color 0.3s, transform 0.3s, background 0.3s, box-shadow 0.3s; }
.dotnav a::after { content: attr(data-label); position: absolute; right: 24px; top: 50%; transform: translateY(-50%) translateX(6px); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.25s; }
.dotnav a:hover { border-color: var(--cyan); transform: scale(1.3); }
.dotnav a:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }
.dotnav a.active { background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 14px rgba(24, 224, 255, 0.9); }
@media (max-width: 720px) { .dotnav { display: none; } }

/* ───── Hero ───── */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 86px 24px 96px; }
.hero-content { position: relative; z-index: 2; max-width: 880px; pointer-events: none; }
.hero-tag { font-size: clamp(1.05rem, 2vw, 1.32rem); color: #C8D0EE; max-width: 600px; margin: 0 auto 34px; text-shadow: 0 2px 24px rgba(0,0,0,0.85); animation: rise 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.26s both; }
.hero .boot { font-family: var(--mono); color: #00ff41; font-size: clamp(0.95rem, 2.5vw, 1.32rem); letter-spacing: 0.08em; white-space: nowrap; text-shadow: 0 0 7px rgba(0, 255, 65, 0.5), 0 0 16px rgba(0, 255, 65, 0.32); margin-bottom: 26px; min-height: 1.2em; }
@media (max-width: 600px) { .hero .boot { white-space: normal; letter-spacing: 0.04em; font-size: 0.9rem; } }
.boot .caret { animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero h1 {
  font-size: clamp(2.4rem, 6.4vw, 4.8rem); font-weight: 700; margin-bottom: 22px;
  background: linear-gradient(100deg, var(--cyan), var(--blue), var(--mag), var(--orange), var(--cyan));
  background-size: 280% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: rise 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.1s both, hue 9s linear infinite;
  filter: drop-shadow(0 4px 40px rgba(0, 0, 0, 0.7));
}
@keyframes hue { to { background-position: 280% center; } }
.hero p { font-size: clamp(1.05rem, 2vw, 1.3rem); color: #C3CCEA; max-width: 600px; margin: 0 auto 38px; text-shadow: 0 2px 24px rgba(0,0,0,0.8); animation: rise 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.26s both; }
.hero .btn { animation: rise 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.42s both; }
@keyframes rise { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: none; } }

.btn { pointer-events: auto; position: relative; overflow: hidden; display: inline-block; background: linear-gradient(135deg, var(--orange), var(--mag)); color: #fff; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.04em; padding: 16px 46px; border: none; border-radius: 0; cursor: pointer; clip-path: var(--clip-btn); filter: drop-shadow(0 4px 24px rgba(255, 46, 154, 0.5)); transition: filter 0.25s, transform 0.15s; will-change: transform, filter; }
.btn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, 0.55) 50%, transparent 68%); transform: translateX(-130%); transition: transform 0.55s ease; pointer-events: none; }
.btn:hover { filter: drop-shadow(0 6px 36px rgba(255, 46, 154, 0.85)); }
.btn:hover::after { transform: translateX(130%); }
.btn:active { transform: scale(0.97); }

.scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); width: 22px; height: 34px; border: 2px solid rgba(24, 224, 255, 0.5); border-radius: 12px; z-index: 2; opacity: 0; animation: fadeBoot 1.2s ease 0.9s forwards; }
.scroll-cue::before { content: ''; position: absolute; left: 50%; top: 6px; width: 4px; height: 8px; border-radius: 4px; background: var(--cyan); transform: translateX(-50%); animation: cue 1.8s ease-in-out infinite; box-shadow: 0 0 8px var(--cyan); }
.scroll-cue.hidden { opacity: 0 !important; }
@keyframes fadeBoot { to { opacity: 0.8; } }
@keyframes cue { 0% { transform: translate(-50%, 0); opacity: 1; } 70% { transform: translate(-50%, 12px); opacity: 0; } 100% { transform: translate(-50%, 0); opacity: 0; } }

/* ───── Sections ───── */
section { padding: 130px 0; position: relative; }
.kicker { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.34em; font-size: 0.76rem; color: var(--cyan); text-align: center; margin-bottom: 14px; text-shadow: 0 0 10px rgba(24, 224, 255, 0.4); }
.kicker::before, .kicker::after { content: '//'; margin: 0 10px; opacity: 0.6; }
.section-title { font-size: clamp(1.9rem, 4vw, 2.7rem); text-align: center; margin-bottom: 16px; text-shadow: 0 2px 30px rgba(0,0,0,0.7); }
.section-title em { font-style: normal; background: linear-gradient(100deg, var(--cyan), var(--mag)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-sub { text-align: center; color: var(--gris); max-width: 560px; margin: 0 auto 62px; }

/* Entrée 3D : depuis le fond de l'espace */
.warp { --tz: -1500px; --wx: 0px; --wry: 0deg; opacity: 0; transform: perspective(1100px) translate3d(var(--wx), 56px, var(--tz)) rotateX(16deg) rotateY(var(--wry)); filter: blur(7px) brightness(1.6); transition: opacity 1s cubic-bezier(0.16, 0.84, 0.3, 1), transform 1s cubic-bezier(0.16, 0.84, 0.3, 1), filter 1s ease; will-change: transform, opacity, filter; }
.warp.in { opacity: 1; transform: perspective(1100px) translate3d(0, 0, 0) rotateX(0) rotateY(0); filter: blur(0) brightness(1); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; perspective: 1400px; }
.cards .warp:nth-child(1) { --wx: -160px; --wry: 16deg; }
.cards .warp:nth-child(2) { --tz: -1900px; transition-delay: 0.08s; }
.cards .warp:nth-child(3) { --wx: 160px; --wry: -16deg; transition-delay: 0.16s; }
.card { position: relative; overflow: hidden; padding: 40px 30px; border-radius: 18px;
  background: linear-gradient(var(--panel), var(--panel-2)) padding-box,
    linear-gradient(140deg, var(--c), color-mix(in srgb, var(--c) 28%, transparent) 72%) border-box;
  border: 1.6px solid transparent; backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); -webkit-backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); }
.card:hover { filter: drop-shadow(0 16px 48px color-mix(in srgb, var(--c) 40%, transparent)); }
@keyframes holo-rotate { to { --ang: 360deg; } }
.card::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 45%; background: linear-gradient(180deg, color-mix(in srgb, var(--c) 22%, transparent), transparent); transform: translateY(-110%); opacity: 0; pointer-events: none; }
.card:hover::before { opacity: 1; }
@keyframes scan { 0% { transform: translateY(-110%); } 100% { transform: translateY(260%); } }
.card::after { content: attr(data-letter); position: absolute; top: -34px; right: 4px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 158px; line-height: 1; color: color-mix(in srgb, var(--c) 9%, transparent); pointer-events: none; }
.card .icon { width: 52px; height: 52px; margin-bottom: 20px; display: block; color: var(--c); filter: drop-shadow(0 0 10px color-mix(in srgb, var(--c) 60%, transparent)); transition: transform 0.3s; }
.card:hover .icon { transform: translateY(-4px) scale(1.06); }
.card h3 { font-size: 1.4rem; letter-spacing: 0.06em; color: var(--c); margin-bottom: 6px; text-shadow: 0 0 14px color-mix(in srgb, var(--c) 45%, transparent); }
.card .hook { font-style: italic; color: var(--ink); font-weight: 500; margin-bottom: 14px; }
.card p { color: #B4BCDA; font-size: 0.96rem; margin-bottom: 14px; }
.card .meta { font-size: 0.88rem; color: var(--gris); border-top: 1px solid color-mix(in srgb, var(--c) 22%, transparent); padding-top: 14px; margin-top: 6px; }
.card .meta strong { color: var(--ink); font-weight: 600; }

.audience { text-align: center; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 740px; margin: 0 auto 28px; }
.chip { color: var(--ink); padding: 10px 22px; border-radius: 0; clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px); font-size: 0.92rem; letter-spacing: 0.02em; backdrop-filter: blur(6px); border: 1px solid; transition: transform 0.25s, box-shadow 0.25s, background 0.25s; }
.chip:nth-child(6n+1) { border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 10%, transparent); }
.chip:nth-child(6n+2) { border-color: var(--mag); background: color-mix(in srgb, var(--mag) 10%, transparent); }
.chip:nth-child(6n+3) { border-color: var(--orange); background: color-mix(in srgb, var(--orange) 10%, transparent); }
.chip:nth-child(6n+4) { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.chip:nth-child(6n+5) { border-color: var(--purple); background: color-mix(in srgb, var(--purple) 10%, transparent); }
.chip:nth-child(6n+6) { border-color: var(--yellow); background: color-mix(in srgb, var(--yellow) 10%, transparent); }
.chip:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(0,0,0,0.4); }
.audience .tagline { font-style: italic; color: var(--gris); font-size: 1.05rem; }

.steps { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; position: relative; perspective: 1400px; }
.flight-path { display: none; position: absolute; top: 30px; left: 8%; right: 8%; height: 0; border-top: 2px dashed rgba(24, 224, 255, 0.3); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
/* ligne de trajet masquée : les tuiles de verre la remplacent */
.step { text-align: center; padding: 26px 20px 24px; flex: 1 1 220px; max-width: 250px; position: relative; border-radius: 16px; background: linear-gradient(160deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.03) 45%, rgba(255, 255, 255, 0.015)); -webkit-backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); border: 1px solid rgba(255, 255, 255, 0.16); }
.step::before { content: ''; position: absolute; inset: 0; border-radius: 16px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 42%); pointer-events: none; }
.steps .warp:nth-child(3) { transition-delay: 0.06s; }
.steps .warp:nth-child(4) { transition-delay: 0.14s; }
.steps .warp:nth-child(5) { transition-delay: 0.22s; }
.step .num { width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 50%; background: linear-gradient(var(--bg), var(--bg)) padding-box, linear-gradient(135deg, var(--cyan), var(--mag)) border-box; border: 2px solid transparent; color: #fff; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.3rem; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; filter: drop-shadow(0 0 14px rgba(24, 224, 255, 0.45)); }
.step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step p { color: var(--gris); font-size: 0.92rem; }

.final-cta { text-align: center; }
.final-cta h2 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 16px; background: linear-gradient(100deg, var(--cyan), var(--mag), var(--orange)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.final-cta > .container > p.warp { color: var(--gris); margin-bottom: 42px; }
.contact-cta { text-align: center; }
.linkedin-btn { display: inline-flex; align-items: center; gap: 10px; }
.linkedin-btn svg { flex: 0 0 auto; }
.contact-form { max-width: 620px; margin: 0 auto; text-align: left; background: var(--panel); border: 1px solid rgba(24, 224, 255, 0.2); border-radius: 18px; padding: 38px 32px 32px; backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); -webkit-backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; gap: 0; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.78rem; color: var(--cyan); margin-bottom: 7px; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--mono); }
.field input, .field select, .field textarea { width: 100%; background: rgba(2, 3, 10, 0.66); border: 1px solid rgba(24, 224, 255, 0.22); border-radius: 0; clip-path: var(--clip-input); padding: 13px 16px; color: var(--ink); font-family: 'Inter', sans-serif; font-size: 0.97rem; transition: border-color 0.25s, filter 0.25s; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--mag); filter: drop-shadow(0 0 8px rgba(255, 46, 154, 0.5)); }
.field input::placeholder, .field textarea::placeholder { color: rgba(138, 147, 181, 0.5); }
.field-hint { display: block; margin-top: 7px; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.03em; color: var(--gris); transition: color 0.25s; }
.field-hint.ok { color: #00ff41; text-shadow: 0 0 8px rgba(0, 255, 65, 0.4); }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2318E0FF' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 42px; cursor: pointer; }
.field select option { background: #0a0d1c; color: var(--ink); }
#cf-website { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form .btn { width: 100%; text-align: center; }
.contact-form .btn[disabled] { opacity: 0.6; cursor: wait; }
.form-error { color: #FFB0B0; font-size: 0.9rem; margin-bottom: 16px; background: rgba(255, 59, 59, 0.08); border: 1px solid rgba(255, 59, 59, 0.3); border-radius: 8px; padding: 10px 14px; }
.form-error a { color: var(--cyan); text-decoration: underline; }
.form-success { max-width: 620px; margin: 0 auto; padding: 50px 30px; border: 1px solid rgba(24, 224, 255, 0.3); border-radius: 18px; background: var(--panel); -webkit-backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); backdrop-filter: blur(4px) saturate(2.4) brightness(1.11); }
.form-success .success-icon { font-size: 2.8rem; margin-bottom: 12px; }
.form-success h3 { color: var(--cyan); font-size: 1.5rem; margin-bottom: 8px; }
.form-success p { color: var(--gris); margin: 0; }

footer { border-top: 1px solid rgba(24, 224, 255, 0.12); padding: 38px 24px; text-align: center; color: var(--gris); font-size: 0.85rem; background: rgba(2, 3, 10, 0.5); backdrop-filter: blur(6px); }
footer .logo { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 12px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; }
footer .logo img { width: 30px; height: 30px; }
footer .logo span { color: var(--cyan); }
footer nav.foot-nav { display: flex; gap: 22px; justify-content: center; margin-bottom: 12px; flex-wrap: wrap; }
footer nav.foot-nav a { color: var(--gris); font-size: 0.85rem; }
footer nav.foot-nav a:hover { color: var(--cyan); }
footer .sys { margin-top: 6px; opacity: 0.8; font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.08em; }
footer .sys .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; margin-right: 6px; box-shadow: 0 0 8px rgba(61, 220, 132, 0.9); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

#toTop { position: fixed; bottom: 24px; right: 22px; z-index: 90; width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(rgba(6, 8, 20, 0.94), rgba(6, 8, 20, 0.94)) padding-box, linear-gradient(135deg, var(--cyan), var(--mag)) border-box; border: 1.5px solid transparent; color: #fff; font-size: 1.3rem; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transform: translateY(14px); transition: opacity 0.3s, transform 0.3s, visibility 0.3s, filter 0.3s; }
#toTop span { display: inline-block; transform: rotate(-45deg); }
#toTop.show { opacity: 1; visibility: visible; transform: none; }
#toTop:hover { filter: drop-shadow(0 0 16px rgba(255, 46, 154, 0.7)); transform: translateY(-4px); }
@media (max-width: 720px) { #toTop { right: 16px; } }

/* ───── Bouton flottant Outils ───── */
.tools-fab { position: fixed; left: 22px; bottom: 24px; z-index: 95; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.tools-toggle { width: 56px; height: 56px; border-radius: 50%; border: 1.5px solid transparent; background: linear-gradient(rgba(6, 8, 20, 0.94), rgba(6, 8, 20, 0.94)) padding-box, linear-gradient(135deg, var(--cyan), var(--mag)) border-box; color: #fff; font-size: 1.35rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: filter 0.3s, transform 0.3s; }
.tools-toggle:hover { filter: drop-shadow(0 0 14px rgba(24, 224, 255, 0.6)); }
.tools-fab.open .tools-toggle { transform: rotate(120deg); }
.tool-link { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; text-decoration: none; background: linear-gradient(rgba(10, 13, 28, 0.92), rgba(10, 13, 28, 0.92)) padding-box, linear-gradient(135deg, var(--cyan), var(--mag)) border-box; border: 1.5px solid transparent; position: relative; opacity: 0; transform: translateY(14px) scale(0.5); pointer-events: none; transition: opacity 0.25s, transform 0.25s, filter 0.25s; }
.tools-fab.open .tool-link { opacity: 1; transform: none; pointer-events: auto; }
.tools-fab.open .tool-link:nth-child(1) { transition-delay: 0.08s; }
.tools-fab.open .tool-link:nth-child(2) { transition-delay: 0.04s; }
.tool-link:hover { filter: drop-shadow(0 0 12px rgba(255, 46, 154, 0.6)); }
.tool-link::after { content: attr(data-label); position: absolute; left: 60px; top: 50%; transform: translateY(-50%) translateX(-6px); background: rgba(6, 8, 20, 0.92); color: var(--ink); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; padding: 6px 11px; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; }
.tools-fab.open .tool-link:hover::after { opacity: 1; transform: translateY(-50%); }
@media (max-width: 720px) { .tools-fab { left: 16px; } }

/* ───── Bouton flottant unique : ADN Planner ───── */
.adn-fab { position: fixed; left: 22px; bottom: 24px; z-index: 95; width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; text-decoration: none; border: 1.5px solid transparent; background: linear-gradient(rgba(6, 8, 20, 0.94), rgba(6, 8, 20, 0.94)) padding-box, linear-gradient(135deg, var(--cyan), var(--mag)) border-box; color: #fff; transition: filter 0.3s, transform 0.3s; }
.adn-fab:hover { filter: drop-shadow(0 0 14px rgba(24, 224, 255, 0.6)); transform: translateY(-3px); }
.adn-fab::after { content: 'ADN Planner'; position: absolute; left: 64px; top: 50%; transform: translateY(-50%) translateX(-6px); background: rgba(6, 8, 20, 0.92); color: var(--ink); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; padding: 6px 11px; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; }
.adn-fab:hover::after { opacity: 1; transform: translateY(-50%); }
@media (max-width: 720px) { .adn-fab { left: 16px; } }

/* ───── Liquid Glass : lisibilité du texte par-dessus les astéroïdes ───── */
.glass-head, .hero-content.glass {
  position: relative; max-width: 720px; margin-left: auto; margin-right: auto;
  padding: 28px 42px; border-radius: 20px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04) 45%, rgba(255, 255, 255, 0.02));
  -webkit-backdrop-filter: blur(4px) saturate(2.4) brightness(1.11);
  backdrop-filter: blur(4px) saturate(2.4) brightness(1.11);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 44px rgba(0, 0, 0, 0.32);
}
.glass-head { margin-bottom: 56px; }
.glass-head::before, .hero-content.glass::before {
  content: ''; position: absolute; inset: 0; border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 46%);
  pointer-events: none;
}
.glass-head > p, .glass-head > h2 { margin-top: 0; margin-bottom: 12px; }
.glass-head > *:last-child { margin-bottom: 0; }
.hero-content.glass { max-width: 720px; padding: 32px 46px; }
@media (max-width: 620px) { .glass-head, .hero-content.glass { padding: 22px 22px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .warp { opacity: 1; transform: none; filter: none; transition: none; }
  .boot .caret, .scroll-cue::before, footer .sys .dot, .card, .hero h1 { animation: none; }
  .scroll-cue { opacity: 0.8; animation: none; }
}

/* ───── Performance pass ADN 3D ───── */
.card, .step, .contact-form, .form-success, .glass-head, .hero-content.glass { contain: layout paint; }
#webgl, #fx { transform: translateZ(0); }
body.perf-lite .card, body.perf-lite .step, body.perf-lite .btn { will-change: auto; }
body.perf-lite .btn { filter: drop-shadow(0 3px 16px rgba(255, 46, 154, 0.38)); }
body.perf-lite .btn:hover { filter: drop-shadow(0 4px 22px rgba(255, 46, 154, 0.58)); }
body.perf-lite .card:hover { transform: translateY(-4px); }
@media (max-width: 760px) {
  .glass-head,
  .hero-content.glass,
  .contact-form,
  .form-success,
  .step,
  .card {
    -webkit-backdrop-filter: blur(8px) saturate(1.25);
    backdrop-filter: blur(8px) saturate(1.25);
  }
  .dotnav { display: none; }
  .brandmark img { width: 34px; height: 34px; }
  .ld-logo img { width: 84px; height: 84px; }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-head,
  .hero-content.glass,
  .contact-form,
  .form-success,
  .step,
  .card,
  footer {
    background: rgba(8, 11, 24, 0.88);
  }
}


/* ───── Performance pass V2 : même rendu, moins de charge continue ───── */
.formats, .audience, .steps-section, .final-cta, footer {
  content-visibility: auto;
  contain-intrinsic-size: 720px;
}
.card { animation: none; }
.card:hover { animation: none; }
body.perf-lite .card,
body.perf-lite .card:hover,
body.perf-lite .card:hover::before {
  animation: none;
}
body.perf-lite .glass-head,
body.perf-lite .hero-content.glass,
body.perf-lite .contact-form,
body.perf-lite .form-success,
body.perf-lite .step,
body.perf-lite .card,
body.perf-lite footer {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  background-color: rgba(8, 11, 24, 0.82);
}
body.perf-lite #fx { display: none; }
@media (max-width: 900px) {
  .card,
  .step,
  .contact-form,
  .form-success,
  .glass-head,
  .hero-content.glass {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .card:hover::before { animation: none; }
}