@font-face{font-family:Syne;src:url(assets/fonts/Syne-VariableFont_wght.ttf);font-weight:400 700;font-style:normal}
@font-face{font-family:'PT Mono';src:url(assets/fonts/PTMono-regular.ttf);font-weight:400;font-style:normal}
@font-face{font-family:Montserrat;src:url(assets/fonts/Montserrat-regular.ttf);font-weight:400;font-style:normal}
@font-face{font-family:Montserrat;src:url(assets/fonts/Montserrat-italic.ttf);font-weight:400;font-style:italic}
@font-face{font-family:Montserrat;src:url(assets/fonts/Montserrat-VariableFont_wght.ttf);font-weight:500 600;font-style:normal}
@font-face{font-family:Montserrat;src:url(assets/fonts/Montserrat-bold.ttf);font-weight:700;font-style:normal}
@font-face{font-family:Montserrat;src:url(assets/fonts/Montserrat-boldItalic.ttf);font-weight:700;font-style:italic}
:root{--bg:#000;--s1:#0a0f18;--s2:#0d131f;--bd:rgba(255,255,255,0.08);--bd-soft:rgba(255,255,255,0.07);--hairline:rgba(255,255,255,0.12);--hairline-soft:rgba(255,255,255,0.08);--w:#fff;--ice:#ebf6ff;--g:#9aa3b2;--muted:#8b95a5;--body-dim:#a8b2c1;--m:#40f5bc;--b:#0056ff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--w);font-family:Montserrat,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
h1,h2,h3,h4{font-family:Syne,sans-serif;font-weight:600;line-height:1.12;letter-spacing:-.02em}
a{color:inherit;text-decoration:none;cursor:pointer}
button{font-family:Montserrat,sans-serif;cursor:pointer}
:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[role="button"]:focus-visible,[tabindex]:not([tabindex="-1"]):focus-visible{outline:2px solid var(--m);outline-offset:2px}
.wrap{max-width:1320px;margin:0 auto;padding:0 64px;position:relative;z-index:2}
.ethereal{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.eth{position:absolute;width:64vw;height:64vw;background-size:cover;mix-blend-mode:screen;opacity:.16;border-radius:50%;filter:blur(36px);animation:floatEthereal 38s ease-in-out infinite alternate}
.eth1{background-image:url(assets/textures/texture-wix-01-fumee-encre-bleue-3744x5616.jpg);top:-20vw;left:-18vw}
.eth2{background-image:url(assets/textures/texture-slides-05-marbrure-fluide-mint-turquoise-slide05-1366x2048.png);bottom:-30vw;right:-22vw;opacity:.10;animation-duration:46s}
.eth3{background-image:url(assets/textures/texture-slides-13-nuage-encre-cobalt-sur-noir-slide13-1365x2048.jpg);top:32vh;left:30vw;opacity:.12;animation-duration:54s}
@keyframes floatEthereal{0%{transform:translate(0,0) rotate(0) scale(1)}50%{transform:translate(4vw,3vh) rotate(6deg) scale(1.05)}100%{transform:translate(-3vw,6vh) rotate(-4deg) scale(.97)}}

/* Floating top-right auth menu: hidden initially, revealed smoothly on mouse movement */
header.top-auth{position:fixed;top:0;left:0;right:0;z-index:50;padding:22px 64px;display:flex;justify-content:space-between;align-items:center;gap:32px;background:linear-gradient(180deg,rgba(0,0,0,.78) 0%,rgba(0,0,0,.42) 72%,rgba(0,0,0,0) 100%);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .35s ease,transform .35s ease}
body.mouse-moved header.top-auth,header.top-auth:focus-within{opacity:1;pointer-events:auto;transform:translateY(0)}
.top-nav{display:flex;align-items:center;gap:28px}
.top-nav a{font-family:Montserrat,sans-serif;font-size:13.5px;font-weight:500;color:var(--g);letter-spacing:.01em;transition:color .2s;text-decoration:none}
.top-nav a:hover{color:var(--w)}
.top-actions{display:flex;align-items:center;gap:24px}
.login{font-size:13.5px;font-weight:500;color:var(--g);transition:color .2s}
.login:hover{color:var(--w)}
.pill{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:10px 22px;font-size:13.5px;font-weight:600;transition:.2s;background:rgba(8,12,20,.78);color:var(--w)}
.pill:hover,.ghost:hover{border-color:#40f5bc;background:rgba(64,245,188,0.06);color:var(--w)}
.btn{display:inline-block;cursor:pointer;background:var(--m);color:#000;font-weight:600;border-radius:999px;padding:18px 38px;font-size:15.5px;border:0;transition:transform .2s,box-shadow .2s;box-shadow:0 0 40px rgba(64,245,188,.18)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(64,245,188,.32)}
.ghost{background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--w);border-radius:999px;padding:10px 22px;font-size:13px;font-weight:500;transition:.2s;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}

/* 1. Fullscreen centered Hero — natural blue-ink video + ice-white NAUT. logo + Montserrat 400 statement */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:96px 0 88px;overflow:hidden;text-align:center}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:1;z-index:0}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.12) 65%,#000 100%);z-index:1}
.hero-inner{max-width:960px;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:52px;position:relative;z-index:2}
.hero-logo{width:460px;height:121px;object-fit:contain;opacity:1}
.hero-statement{font-family:Montserrat,sans-serif;font-weight:400;font-size:26px;line-height:1.68;letter-spacing:.04em;color:#ffffff;max-width:880px}
.hero-cta{margin-top:4px}

/* Editorial section rhythm with hairline dividers */
section{padding:144px 0;position:relative;z-index:2;border-top:1px solid var(--bd-soft)}
section.hero{border-top:0;padding:88px 0}
.eyebrow{font-size:11px;letter-spacing:.26em;color:var(--m);font-weight:600;text-transform:uppercase;display:block}
.sh{font-size:44px;line-height:1.12;letter-spacing:-.02em;font-weight:600}
.ss{color:var(--g);font-size:17px;max-width:640px;line-height:1.6}

/* 2. Manifeste: Asymmetric 2-column editorial layout (5fr / 7fr) */
.manif{overflow:hidden;min-height:840px;padding:164px 0;display:flex;align-items:center}
.manif .onde-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.78;z-index:0;pointer-events:none;display:block}
.manif-grid{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start;position:relative;z-index:2}
.manif-left .sh{margin-top:14px;max-width:460px}
.manif-right p{font-size:20px;color:#c9d1de;line-height:1.68;margin-bottom:24px}
.manif-right p.manif-closing{margin-bottom:0}
.manif-right p strong{font-weight:700;color:var(--w)}
.manif-right p em,.manif-list li em{font-style:italic;color:var(--ice)}
.manif-right p.manif-list-intro{margin-bottom:12px}
.manif-list{list-style:none;margin:0 0 24px 0;padding:0;display:flex;flex-direction:column;gap:10px}
.manif-list li{font-size:20px;color:#c9d1de;line-height:1.62;padding-inline-start:22px;position:relative}
.manif-list li::before{content:"";position:absolute;inset-inline-start:0;top:.68em;width:8px;height:1px;background:var(--m)}
.manif-list li strong{font-weight:700;color:var(--w)}
.manif-sig{margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.10);display:flex;flex-direction:column;align-items:flex-start;gap:12px;max-width:480px;position:relative}
.manif-sig::before{content:"";position:absolute;top:-1px;inset-inline-start:0;width:68px;height:1px;background:linear-gradient(90deg,#40f5bc 0%,rgba(110,185,255,0.5) 100%)}
.manif-sig-svg{display:none;width:268px;height:auto;overflow:visible;filter:drop-shadow(0 2px 14px rgba(120,190,255,0.16))}
.manif-sig-caption{font-family:'PT Mono',monospace;font-size:15.5px;line-height:1.5;letter-spacing:.04em;color:#9aa6b8;display:flex;align-items:center;gap:14px}
.manif-sig-caption .sig-dash{width:24px;height:1px;background:rgba(64,245,188,0.72);display:inline-block;flex-shrink:0}
.manif-sig-caption .sig-name{color:#ffffff}
.manif-sig-caption .sig-line-autograph-role{display:none;color:#9aa6b8}
.manif.with-autograph .manif-sig-svg{display:block}
.manif.with-autograph .manif-sig-caption{font-size:13.5px;letter-spacing:.05em}
.manif.with-autograph .manif-sig-caption .sig-line-1{display:none}
.manif.with-autograph .manif-sig-caption .sig-line-autograph-role{display:inline}

/* 3. Problèmes commerciaux & solutions — Double Vortex Fibre Bleue + Specular Caustic Hairlines */
.prob-sec{background:#000000;padding:152px 0 136px;overflow:hidden}
.prob-vortex-bg{position:absolute;top:0;left:0;right:0;width:100%;height:1050px;background:url(assets/textures/texture-vortex-fibre-bleue.png) center top/cover no-repeat;mix-blend-mode:screen;opacity:.52;pointer-events:none;z-index:0;-webkit-mask-image:radial-gradient(ellipse 85% 70% at 50% 35%,#000 20%,transparent 78%);mask-image:radial-gradient(ellipse 85% 70% at 50% 35%,#000 20%,transparent 78%)}
.prob-sec-head{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start;padding-bottom:68px;border-bottom:0;position:relative;z-index:2}
.prob-sec-head .sh{margin-top:0}
.prob-lead{margin-top:22px;font-family:Montserrat,sans-serif;font-size:17px;line-height:1.62;color:var(--g);max-width:440px}
.prob-nav{display:flex;flex-direction:column;width:100%;border-top:1px solid rgba(130,195,255,0.22)}
.prob-nav a{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 0;border-bottom:1px solid rgba(255,255,255,0.12);text-decoration:none;transition:color .2s,border-color .2s}
.prob-nav-left{display:flex;align-items:baseline;gap:20px}
.prob-nav-num{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--m);min-width:26px}
.prob-nav-label{font-family:Syne,sans-serif;font-size:21px;font-weight:600;color:var(--w);letter-spacing:-.015em;transition:color .2s}
.prob-nav-arr{font-family:Montserrat,sans-serif;font-size:14px;color:var(--muted);transition:color .2s,transform .2s}
.prob-nav a:hover{border-bottom-color:rgba(64,245,188,0.45)}
.prob-nav a:hover .prob-nav-label,.prob-nav a:hover .prob-nav-arr{color:var(--m)}
.prob-nav a:hover .prob-nav-arr{transform:translateY(2px)}

.prob-theme{position:relative;display:grid;grid-template-columns:23% 33% 38%;justify-content:space-between;align-items:start;padding:88px 0;border-top:0;border-bottom:0;z-index:2}
.prob-theme::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(64,245,188,0.62) 0%,rgba(96,168,255,0.48) 28%,rgba(255,255,255,0.14) 72%,rgba(255,255,255,0.06) 100%)}
.prob-theme::after{content:"";position:absolute;top:0;left:0;width:360px;height:90px;background:radial-gradient(ellipse at 12% 0%,rgba(64,245,188,0.085) 0%,rgba(0,110,255,0.04) 48%,transparent 75%);pointer-events:none;z-index:-1}
.prob-theme:last-child{padding-bottom:0}
.prob-top{display:flex;flex-direction:column;gap:10px;padding-inline-end:20px}
.prob-num{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--m)}
.prob-title{font-family:Syne,sans-serif;font-weight:600;font-size:32px;line-height:1.12;letter-spacing:-.02em;color:var(--w)}

.editorial-columns{display:contents}
.prob-col{display:flex;flex-direction:column}
.col-label{font-family:Montserrat,sans-serif;font-weight:600;font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:28px;display:flex;align-items:center;gap:10px}
.col-label.reponse-label{color:var(--m)}

.constat-stream{list-style:none;display:flex;flex-direction:column;gap:24px}
.constat-line{font-family:Montserrat,sans-serif;font-weight:400;font-size:19.5px;line-height:1.48;color:var(--body-dim);letter-spacing:-.005em}
.constat-line strong{font-weight:700;color:var(--w)}
.constat-line em{font-style:italic;color:var(--ice)}
.constat-line strong em,.constat-line em strong{font-weight:700;font-style:italic;color:var(--w)}

.feature-index{list-style:none;display:flex;flex-direction:column}
.feature-row{display:block;padding:20px 0;border-top:1px solid var(--hairline-soft)}
.feature-row:first-child{padding-top:0;border-top:0}
.feature-content{display:flex;flex-direction:column;gap:6px}
.feature-title{font-family:Syne,sans-serif;font-weight:600;font-size:20px;line-height:1.25;letter-spacing:-.01em;color:var(--w)}
.feature-desc{font-family:Montserrat,sans-serif;font-weight:400;font-size:15.5px;line-height:1.54;color:var(--body-dim)}
.feature-desc em{font-style:italic;color:var(--ice)}
.feature-desc strong{font-weight:700;color:var(--w)}

/* 4. Clients: Deep Cobalt Liquid Ink Nebula behind the 41 white client wordmarks */
.clients-sec{overflow:hidden;background:#000000}
.clients-ink-bg{position:absolute;inset:0;width:100%;height:100%;background:
  radial-gradient(ellipse 75% 65% at 50% 58%,rgba(0,72,210,0.18) 0%,transparent 76%),
  url(assets/textures/texture-tourbillon-liquide-bleu.jpg) center center/cover no-repeat,
  url(assets/textures/texture-nuage-encre-cobalt.jpg) center center/cover no-repeat;
  mix-blend-mode:screen;opacity:.54;pointer-events:none;z-index:0;
  -webkit-mask-image:radial-gradient(ellipse 88% 78% at 50% 55%,#000 24%,transparent 86%);
  mask-image:radial-gradient(ellipse 88% 78% at 50% 55%,#000 24%,transparent 86%)}
.clients-head{display:grid;grid-template-columns:4fr 8fr;gap:80px;align-items:baseline;margin-bottom:56px;position:relative;z-index:2}
.lectures-trigger,section p a:not(.btn):not(.pill){background:none;border:0;text-decoration:none;color:var(--m);font:inherit;font-weight:600;padding:0;cursor:pointer;transition:opacity .2s}
.lectures-trigger:hover,section p a:not(.btn):not(.pill):hover{opacity:.8;text-decoration:none}
.client-intro{font-size:22px;color:#dbe1ec;line-height:1.55;font-weight:400;max-width:780px}
.logos-stage{position:relative;padding-top:44px;border-top:1px solid rgba(140,195,255,0.16);z-index:2}
.logos-stage::before{content:"";position:absolute;top:-1px;left:18%;right:18%;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(110,185,255,0.52) 50%,transparent 100%)}
.logos{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:28px 36px}
.logos a,.logos .logo-item{width:136px;height:56px;display:flex;align-items:center;justify-content:center;background:transparent;border:0;transition:transform .22s ease}
.logos img{max-width:124px;max-height:42px;width:auto;height:auto;object-fit:contain;opacity:.80;transition:opacity .22s ease,transform .22s ease,filter .22s ease}
.logos a:hover{transform:translateY(-2px)}
.logos a:hover img{opacity:1;transform:scale(1.06);filter:drop-shadow(0 0 12px rgba(64,245,188,.35))}

/* 5. Tarif: Pure Architectural Hairline Columns + Bioluminescent Mint/Turquoise Silk Glow */
.tarif-sec{overflow:hidden;background:#000000}
.tarif-mint-bg{position:absolute;inset:0;width:100%;height:100%;background:
  url(assets/textures/texture-marbrure-mint-turquoise.png) center center/cover no-repeat,
  url(assets/textures/texture-film-cristallin-mint.jpg) center center/cover no-repeat;
  mix-blend-mode:screen;opacity:.34;pointer-events:none;z-index:0;
  -webkit-mask-image:radial-gradient(ellipse 78% 74% at 58% 52%,#000 14%,transparent 82%);
  mask-image:radial-gradient(ellipse 78% 74% at 58% 52%,#000 14%,transparent 82%)}
.tarif-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:64px;position:relative;z-index:2}
.tarif-head .sh{margin-top:14px;max-width:720px}
.tarif-meta{display:flex;flex-direction:column;align-items:center;text-align:center}
.tarif-meta .note{display:block;color:var(--g);font-size:13px;margin-top:10px}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,0.14);border-bottom:1px solid rgba(255,255,255,0.14);position:relative;z-index:2}
.pc{background:transparent;border:0;border-inline-start:1px solid rgba(255,255,255,0.10);border-radius:0;padding:48px 42px 52px;display:flex;flex-direction:column;justify-content:space-between;min-height:248px;position:relative}
.pc:first-child{border-inline-start:0;padding-inline-start:0}
.pc.hl{background:linear-gradient(180deg,rgba(64,245,188,0.065) 0%,rgba(0,86,255,0.03) 65%,transparent 100%)}
.pc.hl::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,#40f5bc 0%,#68b5ff 75%,rgba(64,245,188,0.2) 100%);box-shadow:0 0 24px rgba(64,245,188,0.45)}
.pc .st{color:var(--m);font-size:11.5px;letter-spacing:.22em;font-weight:600;text-transform:uppercase}
.pc .amt{font-family:Montserrat,sans-serif;font-weight:700;font-size:42px;margin:22px 0 16px;letter-spacing:-.025em;color:var(--w)}
.pc p{color:#b6c0d0;font-size:15.5px;line-height:1.62}
.banner{margin-top:0;border:0;border-bottom:1px solid rgba(255,255,255,0.12);background:transparent;border-radius:0;padding:32px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;position:relative;z-index:2}
.banner b{font-weight:400;font-size:17px;color:#d6deeb}
.banner b strong{color:var(--w);font-weight:700}

/* 6. Articles (#episodes): Corner 3D Wireframe Wave + Vertical NAUT. Hairline Watermark + Pure Hairline Editorial Rows */
.episodes-sec{overflow:hidden;background:#000000}
.onde-canvas-episodes{position:absolute;right:0;bottom:0;width:100%;height:100%;opacity:.58;pointer-events:none;z-index:0;display:block}
.episodes-naut-watermark{position:absolute;left:22px;top:50%;transform:translateY(-50%);height:68%;max-height:560px;width:auto;opacity:.18;pointer-events:none;z-index:1;mix-blend-mode:screen}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;position:relative;z-index:2}
.sec-head-left .sh{margin-top:14px}
.sec-head-left .ss{margin-top:14px}
.eps{display:grid;grid-template-columns:repeat(3,1fr);gap:0 44px;position:relative;z-index:2}
.ep{background:transparent;border:0;border-top:1px solid rgba(255,255,255,0.14);border-radius:0;padding:34px 0 40px;padding-inline-end:4px;cursor:pointer;transition:border-color .25s,transform .25s;text-align:start;color:var(--w);display:flex;flex-direction:column;justify-content:space-between;min-height:168px;position:relative}
.ep::before{content:"";position:absolute;top:-1px;inset-inline-start:0;width:56px;height:1px;background:rgba(64,245,188,0.55);transition:width .3s ease,background .3s ease}
.ep:hover{border-top-color:rgba(64,245,188,0.38);transform:translateY(-2px)}
.ep:hover::before{width:100%;background:#40f5bc}
.ep-top{display:flex;justify-content:space-between;align-items:center;width:100%}
.ep .n{color:var(--m);font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase}
.ep .arr{color:var(--g);font-size:14px;transition:color .2s,transform .2s}
.ep:hover .arr{color:var(--m);transform:translate(3px,-3px)}
.ep h4{font-size:20px;font-weight:600;margin-top:20px;line-height:1.34;color:#f4f7fc}

/* 7. Contact: Geometric Orbital Rings around Thibault's Portrait + Neon Violet/Blue Halo + Pure Hairline Channels */
.contact-sec{overflow:hidden;background:#000000}
.contact-halo-bg{position:absolute;inset:0;width:100%;height:100%;background:url(assets/textures/texture-halo-neon-violet-bleu.jpg) left center/cover no-repeat;mix-blend-mode:screen;opacity:.38;pointer-events:none;z-index:0;-webkit-mask-image:radial-gradient(ellipse 68% 75% at 28% 50%,#000 16%,transparent 78%);mask-image:radial-gradient(ellipse 68% 75% at 28% 50%,#000 16%,transparent 78%)}
.contact{display:grid;grid-template-columns:4fr 8fr;gap:80px;align-items:center;position:relative;z-index:2}
.contact-left{display:flex;flex-direction:column;align-items:center;justify-content:center}
.contact .portrait-link{display:inline-flex;align-items:center;justify-content:center;position:relative;width:360px;height:360px}
.orbital-rings-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.orb-rot-slow{transform-origin:50% 50%;transform-box:view-box;animation:spinOrb 48s linear infinite}
@keyframes spinOrb{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.contact .portrait{width:276px;height:276px;object-fit:contain;border:none;border-radius:0;background:radial-gradient(circle at 50% 48%,rgba(14,42,88,.64) 0%,rgba(14,36,72,.20) 44%,rgba(3,7,16,0) 68%);display:block;position:relative;z-index:2;transition:transform .3s ease}
.contact .portrait-link:hover .portrait{transform:scale(1.03)}
.contact-right .sh{margin-top:14px;font-size:38px;line-height:1.15;max-width:680px}
.clist{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:40px;border-bottom:1px solid rgba(255,255,255,0.12)}
.clist a{display:flex;align-items:center;gap:18px;padding:22px 4px;background:transparent;border:0;border-top:1px solid rgba(255,255,255,0.12);border-radius:0;font-size:16px;font-weight:500;transition:border-color .2s,color .2s;position:relative}
.clist a:hover{border-top-color:#40f5bc;color:var(--w)}
.clist a img.ico{width:22px;height:22px;object-fit:contain;opacity:.92}
.clist a .ico-mail{width:22px;height:22px;display:grid;place-items:center;color:var(--w);font-size:16px;line-height:1}
.clist a span{color:var(--m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;display:block;font-weight:600;margin-bottom:4px}

/* 8. Footer: Clean 3-column architectural bar */
footer{border-top:0;padding:52px 0 48px;position:relative;z-index:2;background:#000000;overflow:hidden}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,0.08) 0%,rgba(64,245,188,0.68) 12%,rgba(142,197,255,0.48) 32%,rgba(255,255,255,0.12) 64%,rgba(255,255,255,0.08) 100%);pointer-events:none}
footer::after{content:"";position:absolute;top:0;left:6%;width:360px;height:32px;background:radial-gradient(ellipse at 30% 0%,rgba(64,245,188,0.11) 0%,rgba(110,168,255,0.06) 48%,rgba(0,0,0,0) 75%);pointer-events:none}
.fb{display:grid;grid-template-columns:6fr 3fr 3fr;gap:48px;align-items:start}
.fb-brand{display:flex;flex-direction:column;gap:14px}
.fb-brand-top{display:flex;align-items:center;gap:16px}
.fb-brand-top img{height:20px;opacity:.96}
.fb-sep{width:1px;height:14px;background:rgba(255,255,255,.16);flex-shrink:0}
.fb-tagline{font-family:Montserrat,sans-serif;font-size:13.5px;font-weight:500;color:#d8e1ee}
.fb-copy{font-family:Montserrat,sans-serif;font-size:12.5px;color:#788296;line-height:1.6}
.fb-col{display:flex;flex-direction:column;gap:11px;align-items:flex-start}
.fb-col-title{font-family:Montserrat,sans-serif;font-size:10.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#788296;margin-bottom:3px}
.fb-col-title.fb-col-mint{color:var(--m)}
.fb-col a,.fb-col button{font-family:Montserrat,sans-serif;font-size:13.5px;font-weight:500;color:var(--w);background:none;border:0;padding:0;text-align:start;transition:color .2s;text-decoration:none}
.fb-col a:hover,.fb-col button:hover{color:var(--m)}
.fb-col-legal a{font-size:12.5px;font-weight:400;color:var(--g)}
.fb-col-legal a:hover{color:var(--w)}

/* Modals — Exact existing .mbox shape preserved + vertical NAUT. hairline logo well on the right */
.modal{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.82);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:36px}
.modal.open{display:flex}
.mbox{background:#0a0f18;border:1px solid rgba(255,255,255,0.08);border-radius:22px;max-width:960px;width:100%;max-height:88vh;overflow:auto;padding:44px 48px;position:relative;box-shadow:0 40px 120px rgba(0,0,0,.85)}
.mbox .x{position:absolute;top:18px;right:18px;background:none;border:1px solid var(--bd);color:var(--w);border-radius:999px;width:36px;height:36px;z-index:5;transition:border-color .2s,color .2s}
.mbox .x:hover{border-color:var(--m);color:var(--m)}
#philosophy-modal .mbox{max-width:760px;background:#0a0f18 url(assets/textures/onde-filaire-bleue-angle-bas-gauche-transparent.png) left bottom/52% no-repeat;padding:48px 56px 56px;overflow:hidden}
#philosophy-modal.option-a .mbox{background:#0a0f18}
.philo-onde-canvas,.philo-circle-svg{display:none}
.philo-naut-watermark{position:absolute;right:46px;top:78px;bottom:48px;height:calc(100% - 126px);width:auto;opacity:.38;pointer-events:none;z-index:1}
.philo-content{position:relative;z-index:2;padding-right:108px}
.philo{text-transform:uppercase;font-size:17.5px;line-height:1.85;letter-spacing:.05em;color:#e6ebf2;position:relative;z-index:2}
.philo strong{color:var(--w);font-weight:700}
.philo em{color:var(--m);font-style:italic;font-weight:500}
.books{columns:3;column-gap:26px;margin-top:18px;font-size:12.5px}
.books div,.books a{display:block;break-inside:avoid;padding:6px 0;border-bottom:1px solid var(--bd);transition:border-color .2s}
.books a:hover{border-bottom-color:rgba(64,245,188,0.45)}
.books a:hover b{color:var(--m)}
.books b{display:block;font-weight:600;color:var(--w);transition:color .2s}
.books span{color:var(--g);font-size:11.5px}
.reader{font-size:15.5px;color:#d6dbe3;white-space:pre-line;margin-top:18px}

/* Mobile banner & 3-bar hamburger button (hidden on desktop > 900px) */
.mobile-desktop-only-banner{display:none}
.mobile-menu-btn{display:none}

/* Grid children min-width safety so 1fr tracks never clip on mobile */
.manif-grid > *,.prob-sec-head > *,.prob-theme > *,.prob-col,.clients-head > *,.contact > *,.fb > *,.art-grid > *,.art-prevnext > *{min-width:0;max-width:100%;overflow-wrap:break-word}

/* Lot 12 (v5.50 / v5.78 / v5.82) : 31 langues en 4 régions + RTL */
html[dir="rtl"] {
  direction: rtl;
  text-align: right;
}
.naut-lang-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  margin-inline-end: -8px;
  border: 0;
  background: transparent;
  color: var(--g);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
}
.naut-lang-trigger:hover,
.naut-lang-trigger:focus-visible {
  color: var(--w);
}
@media (min-width: 901px) {
  .naut-lang-trigger::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 8px);
    inset-inline-start: 0;
    z-index: 80;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(64, 245, 188, 0.35);
    background: #05070b;
    color: #ffffff;
    font-family: Montserrat, sans-serif;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 0.01em;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-3px);
    transition: opacity 0.16s ease, transform 0.16s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.75);
  }
  .naut-lang-trigger:hover::after,
  .naut-lang-trigger:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
  }
}
.naut-lang-trigger svg {
  width: 16px;
  height: 16px;
  display: block;
}
.naut-lang-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.76);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.naut-lang-backdrop[hidden] {
  display: none !important;
}
.naut-lang-modal {
  width: 100%;
  max-width: 680px;
  max-height: 84vh;
  background: #0b0d12;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #ffffff;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
}
.naut-lang-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.naut-lang-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}
.naut-lang-close {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
}
.naut-lang-search-wrap {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.naut-lang-search {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #ffffff;
  font-size: 13px;
}
.naut-lang-regions {
  padding: 16px 20px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.naut-lang-regions > section,
.naut-lang-region {
  padding: 0;
  border-top: 0;
}
.naut-lang-region-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #9aa3b2;
  margin: 0 0 8px;
}
.naut-lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}
.naut-lang-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: #ffffff;
  font-size: 12px;
  cursor: pointer;
  text-align: start;
}
.naut-lang-opt[aria-selected="true"] {
  border-color: #40f5bc;
  background: rgba(64, 245, 188, 0.12);
}
.naut-lang-badge {
  font-size: 10px;
  font-weight: 700;
  color: #9aa3b2;
}




@media (max-width:1100px){
  .wrap{padding:0 36px}
  header.top-auth{padding:16px 36px;opacity:1;pointer-events:auto;transform:none;flex-wrap:wrap;gap:12px 24px}
  .top-nav{flex-wrap:wrap;gap:10px 20px}
  .top-nav a,.top-actions .login,.top-actions .pill{white-space:nowrap}
  .manif-grid,.prob-sec-head,.clients-head,.contact{grid-template-columns:1fr;gap:40px}
  .prob-theme{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .eps,.price{grid-template-columns:1fr}
  .pc,.pc:first-child{border-inline-start:0;border-top:1px solid rgba(255,255,255,0.10);padding:38px 0 42px;padding-inline:0;min-height:auto}
  .pc:first-child{border-top:0}
  .pc.hl{margin-inline:0;padding:38px 24px 42px;padding-inline:24px;border-radius:0;border:0;border-top:1px solid rgba(255,255,255,0.10)}
  .sec-head,.tarif-head,.banner{flex-direction:column;align-items:flex-start}
  .fb{grid-template-columns:1fr;gap:32px}
  .tarif-meta{text-align:start;align-items:flex-start}
  .episodes-naut-watermark{display:none}
}
@media (max-width:900px){
  header.top-auth{padding:10px 20px;flex-direction:row;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:14px;background:rgba(5,7,11,0.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,0.08);opacity:1;pointer-events:auto;transform:none}
  .top-actions{display:none !important}
  .mobile-desktop-only-banner{display:block;flex:1;min-width:0;font-family:Montserrat,sans-serif;font-size:11.5px;line-height:1.36;font-weight:500;color:#dbe4f0;letter-spacing:.01em;text-align:start}
  .mobile-menu-btn{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:38px;height:38px;flex-shrink:0;border-radius:9px;border:1px solid rgba(255,255,255,0.22);background:rgba(255,255,255,0.04);padding:0;cursor:pointer;transition:border-color .2s,background .2s}
  .mobile-menu-btn span{display:block;width:18px;height:1.5px;background:#ffffff;border-radius:2px;transition:transform .22s ease,opacity .2s ease}
  header.top-auth.nav-open .mobile-menu-btn{border-color:var(--m);background:rgba(64,245,188,0.08)}
  header.top-auth.nav-open .mobile-menu-btn span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  header.top-auth.nav-open .mobile-menu-btn span:nth-child(2){opacity:0}
  header.top-auth.nav-open .mobile-menu-btn span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .top-nav{display:none}
  header.top-auth.nav-open .top-nav{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:100%;left:0;right:0;background:rgba(5,7,11,0.97);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,0.14);padding:8px 24px 16px;gap:0;box-shadow:0 24px 56px rgba(0,0,0,0.82)}
  header.top-auth.nav-open .top-nav .naut-lang-trigger{width:100%;height:auto;margin-inline-end:0;padding:12px 4px;justify-content:flex-start;gap:10px;border-bottom:1px solid rgba(255,255,255,0.07);color:#f0f4fa;font-size:14px;font-weight:500}
  header.top-auth.nav-open .top-nav .naut-lang-trigger svg{width:16px;height:16px;color:var(--m);flex-shrink:0}
  header.top-auth.nav-open .top-nav .naut-lang-trigger::after{content:attr(data-current-locale);display:inline-flex;align-items:center;font-family:'PT Mono',monospace;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--m);padding:2px 7px;border-radius:999px;border:1px solid rgba(64,245,188,0.32);background:rgba(64,245,188,0.08)}
  header.top-auth.nav-open .top-nav a{font-size:14.5px;font-weight:500;color:#f0f4fa;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,0.07);white-space:normal;text-align:start}
  header.top-auth.nav-open .top-nav a:last-child{border-bottom:0}
  header.top-auth.nav-open .top-nav a:hover{color:var(--m)}
}
@media (max-width:720px){
  .wrap{padding:0 24px}
  .prob-theme::after,footer::after{max-width:calc(100vw - 48px)}
  header.top-auth{padding:10px 16px;gap:12px}
  .btn-try-suffix{display:none}
  section{padding:88px 0}
  section.hero{padding:104px 0 64px}
  .manif{min-height:auto;padding:92px 0}
  .manif-right p,.manif-list li{font-size:17.5px;line-height:1.62}
  .prob-sec{padding:88px 0}
  .prob-lead{font-size:17px}
  .constat-line{font-size:17.5px;line-height:1.5}
  .hero-logo{width:280px;max-width:100%;height:auto}
  .hero-statement{font-size:20px}
  .btn{padding:16px 24px;max-width:100%;text-align:center}
  .sh{font-size:32px}
  .clients-head{margin-bottom:32px;gap:20px}
  .logos-stage{padding-top:28px}
  .logos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 14px;justify-items:center}
  .logos a,.logos .logo-item{width:100%;height:46px}
  .logos img{max-width:92px;max-height:32px}
  .pc,.pc:first-child{padding:34px 0 38px;padding-inline:0}
  .pc.hl{margin-inline:0;padding:34px 20px 38px;padding-inline:20px;border-radius:0;border:0;border-top:1px solid rgba(255,255,255,0.10)}
  .pc .amt{font-size:34px;margin:16px 0 12px}
  .banner{padding:24px 20px;gap:18px}
  .contact .portrait-link{width:min(268px,calc(100vw - 56px));height:min(268px,calc(100vw - 56px));overflow:visible;margin:8px auto}
  .contact .portrait{width:76%;height:76%}
  .contact-right .sh{font-size:30px}
  .clist,.books{grid-template-columns:1fr;columns:1}
  .modal{padding:16px}
  .mbox{padding:32px 22px;overflow-y:auto}
  #philosophy-modal .mbox{padding:32px 22px 42px;background-size:78% auto;overflow-y:auto}
  .philo-naut-watermark{right:10px;top:92px;bottom:36px;height:calc(100% - 128px);max-width:34px;opacity:.13}
  .philo-content{padding-right:48px;padding-inline-end:48px}
  .philo{font-size:14.5px;line-height:1.72}
  .naut-lang-backdrop{padding:12px}
  .naut-lang-header{padding:14px 16px}
  .naut-lang-search-wrap{padding:10px 16px}
  .naut-lang-regions{padding:14px 16px 18px;gap:16px}
  .naut-lang-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
}

/* Explicit pointer cursor + macOS compositor layer fix on all interactive links/buttons and their children */
section, .ethereal {
  isolation: isolate;
}
.hero video, .hero:after, .ethereal, .eth, .prob-vortex-bg, .clients-ink-bg, .tarif-mint-bg, .contact-halo-bg, .onde-canvas, .onde-canvas-episodes, .episodes-naut-watermark {
  pointer-events: none !important;
  user-select: none;
}
a[href], a[href] *, button, button *, [role="button"], [role="button"] *, .btn, .btn *, .pill, .pill *, .ghost, .ghost *, .ep, .ep *, .lectures-trigger, .lectures-trigger *, .naut-lang-trigger, .naut-lang-trigger *, .naut-lang-opt, .naut-lang-opt *, .naut-lang-close, .mbox .x {
  cursor: pointer !important;
}
.btn, .pill, .ghost, .ep, .lectures-trigger, .naut-lang-trigger {
  position: relative;
  z-index: 3;
}
.btn > *, .pill > *, .ghost > *, .naut-lang-trigger > * {
  pointer-events: none;
}


/* === ARTICLES ÉDITORIAUX (20 ARTICLES — DESKTOP & MOBILE) === */
body.article-page {
  background: #000;
  color: var(--w);
  overflow-x: hidden;
}
.art-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 56px;
  background: rgba(3, 5, 10, 0.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.art-top-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}
.art-brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.art-brand img {
  height: 22px;
  width: auto;
  display: block;
}
.art-top-sep {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.16);
  flex-shrink: 0;
}
.art-back {
  font-size: 13px;
  font-weight: 500;
  color: #a9b4c4;
  transition: color 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.art-back:hover {
  color: var(--m);
}
.art-hero {
  position: relative;
  padding: 148px 0 76px;
  border-top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  overflow: hidden;
  background:
    radial-gradient(ellipse 68% 58% at 72% 24%, rgba(20, 72, 165, 0.22) 0%, rgba(8, 28, 72, 0.08) 52%, transparent 78%),
    linear-gradient(180deg, #02050c 0%, #000000 100%);
}
.art-hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 30%, rgba(64, 245, 188, 0.06) 0%, transparent 52%);
  pointer-events: none;
  z-index: 0;
}
.art-hero-watermark {
  position: absolute;
  right: max(48px, calc((100vw - 1440px) / 2 + 48px));
  top: 108px;
  bottom: 44px;
  height: calc(100% - 152px);
  max-height: 360px;
  width: auto;
  opacity: 0.14;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}
.art-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
}
.art-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-family: 'PT Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.art-kicker {
  color: var(--m);
  font-weight: 700;
}
.art-dot {
  color: rgba(255, 255, 255, 0.28);
}
.art-series {
  color: #b4c0d2;
}
.art-reading {
  color: var(--g);
}
.art-h1 {
  font-family: Syne, sans-serif;
  font-weight: 600;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.028em;
  color: var(--w);
  margin: 0 0 28px;
}
.art-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-size: 13.5px;
  color: var(--g);
}
.art-author {
  color: var(--w);
  font-weight: 600;
}
.art-pubdate {
  font-family: 'PT Mono', monospace;
  font-size: 12px;
  color: #8892a2;
}
.art-body-sec {
  padding: 76px 0 96px;
  border-top: 0;
}
.art-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 760px);
  gap: 72px;
  align-items: start;
  justify-content: space-between;
}
.art-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.art-toc {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.art-toc ol,
.art-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.art-toc li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.art-toc-label {
  font-family: 'PT Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--m);
  margin-bottom: 8px;
}
.art-toc-link {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: baseline;
  gap: 6px;
  padding: 6px 0;
  font-size: 13px;
  line-height: 1.45;
  color: #9aa3b2;
  transition: color 0.18s ease;
}
.art-toc-link:hover {
  color: var(--w);
}
.art-toc-link .toc-num {
  font-family: 'PT Mono', monospace;
  font-size: 11px;
  color: rgba(64, 245, 188, 0.72);
}
.art-side-card {
  padding: 20px 0 0;
  border-radius: 0;
  border: 0;
  background: transparent;
}
.art-side-eyebrow {
  font-family: 'PT Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--m);
  margin-bottom: 10px;
}
.art-side-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: #c5cedb;
  margin-bottom: 16px;
}
.art-side-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--m);
}
.art-side-link:hover {
  opacity: 0.82;
  text-decoration: none;
}
.art-content {
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.art-section {
  padding-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.art-section:first-child {
  padding-top: 0;
  border-top: 0;
}
.art-sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
}
.art-sec-num {
  font-family: 'PT Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--m);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.art-h2 {
  font-family: Syne, sans-serif;
  font-weight: 600;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.018em;
  color: var(--w);
  margin: 0;
}
.art-sec-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 17px;
  line-height: 1.76;
  color: #d0d7e2;
}
.art-sec-body p {
  margin: 0;
}
.art-sec-body strong {
  color: var(--w);
  font-weight: 600;
}
.art-sec-body a:not(.btn):not(.pill) {
  color: var(--m);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s ease;
}
.art-sec-body a:not(.btn):not(.pill):hover {
  opacity: 0.8;
  text-decoration: none;
}
.art-list, .art-olist {
  margin: 4px 0 8px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.art-sublist {
  margin: 8px 0 4px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.art-li-head {
  font-weight: 600;
  color: var(--w);
  margin-top: 6px;
}
.art-quote {
  margin: 8px 0;
  padding: 4px 0 4px 20px;
  border-left: 1px solid var(--m);
  background: transparent;
  border-radius: 0;
  font-style: italic;
  color: #e8eef7;
}
.art-cue {
  padding: 14px 0;
  border-radius: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  font-size: 15.5px;
  color: #dce8fa;
}
.art-numbered-p {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.art-step-badge {
  font-family: 'PT Mono', monospace;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--m);
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  flex-shrink: 0;
}
.art-glossary {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 6px 0;
  padding: 16px 0;
  border-radius: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
}
.art-term-row {
  display: grid;
  grid-template-columns: minmax(120px, auto) 20px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 15.5px;
}
.art-term-key {
  font-weight: 600;
  color: var(--w);
}
.art-term-eq {
  color: var(--m);
  font-family: 'PT Mono', monospace;
}
.art-term-val {
  color: #c8d1de;
}
.art-figure {
  margin: 16px 0;
  padding: 16px 0;
  border-radius: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
}
.art-figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}
.art-version-note {
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-family: 'PT Mono', monospace;
  font-size: 12px;
  color: var(--g);
}
.art-nav-sec {
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.art-prevnext {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.art-pn-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 0;
  border-radius: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  transition: border-color 0.2s ease;
}
.art-pn-card:hover {
  border-top-color: var(--m);
}
.art-pn-dir {
  font-family: 'PT Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--m);
}
.art-pn-title {
  font-family: Syne, sans-serif;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--w);
}
.art-cta-sec {
  padding: 40px 0 96px;
  border-top: 0;
}
.art-cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 44px 0;
  border-radius: 0;
  border: 0;
  border-top: 1px solid rgba(64, 245, 188, 0.42);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
}
.art-cta-left {
  max-width: 620px;
}
.art-cta-title {
  font-family: Syne, sans-serif;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--w);
  margin: 10px 0 10px;
}
.art-cta-sub {
  font-size: 15px;
  line-height: 1.6;
  color: #c5cedb;
  margin: 0;
}
.art-cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

@media (max-width: 1100px) {
  .art-topbar {
    padding: 14px 32px;
  }
  .art-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .art-sidebar {
    position: static;
    order: -1;
  }
  .art-cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .art-topbar {
    padding: 12px 16px;
    gap: 10px;
  }
  .art-topbar .top-actions .login {
    display: none;
  }
  .art-hero {
    padding: 108px 0 52px;
  }
  .art-hero-watermark {
    right: 14px;
    top: 88px;
    height: 180px;
    opacity: 0.08;
  }
  .art-h1 {
    font-size: 28px;
    line-height: 1.14;
  }
  .art-body-sec {
    padding: 48px 0 64px;
  }
  .art-sec-head {
    flex-direction: column;
    gap: 6px;
  }
  .art-sec-body {
    font-size: 16px;
    line-height: 1.68;
  }
  .art-term-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .art-term-eq {
    display: none;
  }
  .art-prevnext {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .art-cta-box {
    padding: 32px 0;
    gap: 24px;
  }
  .art-cta-title {
    font-size: 22px;
  }
  .art-cta-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .art-cta-actions .btn,
  .art-cta-actions .ghost {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}