/* ==========================================================================
   CENTAURE — Solution IA (/solution-ia/)
   Design system aligné sur /rs-ia/ et /offre-ia/
   ========================================================================== */

/* ---------- Fonts (copier le dossier fonts/ depuis /rs-ia/) ---------- */
@font-face{font-family:'Outfit';font-style:normal;font-weight:400 800;font-display:optional;src:url('fonts/outfit-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Outfit';font-style:normal;font-weight:400 800;font-display:optional;src:url('fonts/outfit-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:400 700;font-display:optional;src:url('fonts/plus-jakarta-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:400 700;font-display:optional;src:url('fonts/plus-jakarta-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ---------- Tokens ---------- */
:root{
  --color-bg-dark:#070e1b;
  --color-bg-card:rgba(19,68,137,0.15);
  --color-primary:#134489;
  --color-primary-light:#438bf5;
  --color-primary-glow:rgba(19,68,137,0.35);
  --color-secondary:#743eff;
  --color-secondary-glow:rgba(116,62,255,0.25);
  --color-accent:#00f0ff;
  --color-text-white:#f5f7fa;
  --color-text-muted:#b8c5d6;
  --color-border:rgba(255,255,255,0.08);
  --color-border-hover:rgba(255,255,255,0.18);
  --font-heading:'Outfit',system-ui,sans-serif;
  --font-body:'Plus Jakarta Sans',system-ui,sans-serif;
  --transition-smooth:all .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;background-color:var(--color-bg-dark);overflow-x:hidden;max-width:100%}
body{font-family:var(--font-body);background-color:var(--color-bg-dark);color:var(--color-text-white);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
main{overflow-x:hidden;max-width:100%}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.25;color:var(--color-text-white)}
p{color:var(--color-text-muted)}
a{color:var(--color-primary-light);text-decoration:none;transition:var(--transition-smooth)}
a:hover{color:var(--color-text-white)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 2rem}
.text-center{text-align:center}
.full-width{width:100%;text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:-100%;left:1rem;z-index:200;padding:.75rem 1.25rem;background:var(--color-primary);color:#fff;font-weight:600;border-radius:0 0 8px 8px;transition:top .2s ease}
.skip-link:focus{top:0}

.highlight{background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.badge{display:inline-block;padding:.35rem .9rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:rgba(255,255,255,.05);border:1px solid var(--color-border);border-radius:999px;color:#7eb3ff;margin-bottom:1.5rem}

/* ---------- Boutons ---------- */
.btn-primary{display:inline-block;padding:.85rem 2rem;font-size:.95rem;font-weight:600;border-radius:8px;color:#fff;background:var(--color-primary);box-shadow:0 4px 15px var(--color-primary-glow);border:1px solid transparent;cursor:pointer;transition:var(--transition-smooth);font-family:var(--font-body)}
.btn-primary:hover{transform:translateY(-2px);background:var(--color-text-white);box-shadow:0 6px 20px rgba(255,255,255,.2);color:var(--color-primary)}
.btn-secondary{display:inline-block;padding:.85rem 2rem;font-size:.95rem;font-weight:600;border-radius:8px;color:var(--color-text-white);background:rgba(255,255,255,.05);border:1px solid var(--color-border);cursor:pointer;transition:var(--transition-smooth)}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:var(--color-border-hover);transform:translateY(-2px);color:var(--color-text-white)}
.btn-primary-small{display:inline-block;padding:.5rem 1.2rem;font-size:.85rem;font-weight:600;border-radius:6px;color:#fff;background:var(--color-primary);border:none;cursor:pointer;transition:var(--transition-smooth)}
.btn-primary-small:hover{background:var(--color-text-white);color:var(--color-primary);transform:translateY(-1px)}

/* ---------- Header ---------- */
.main-header{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(11,13,25,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);padding:.8rem 0}
.header-container{display:flex;justify-content:space-between;align-items:center}
.logo-img{height:80px;width:auto}
.main-nav ul{display:flex;list-style:none;align-items:center;gap:1.7rem}
.main-nav a:not(.btn-primary-small){color:var(--color-text-muted);font-weight:500;font-size:.9rem}
.main-nav a:not(.btn-primary-small):hover{color:var(--color-primary-light)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;background:transparent;border:1px solid var(--color-border);border-radius:8px;cursor:pointer;z-index:110;flex-shrink:0;align-items:center}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--color-text-white);border-radius:2px;transition:var(--transition-smooth)}
.main-header.nav-open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.main-header.nav-open .nav-toggle-bar:nth-child(2){opacity:0}
.main-header.nav-open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{display:none}

/* ---------- Hero ---------- */
.hero-section{position:relative;min-height:100vh;padding:7rem 0 5rem;background:#02050a;overflow:hidden;display:flex;flex-direction:column;z-index:1}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;contain:strict}
.hero-section::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at 20% 50%,rgba(7,14,27,.92) 0%,rgba(7,14,27,.55) 45%,transparent 75%)}
.hero-viewport{position:relative;z-index:2;flex:1;width:100%;min-height:calc(100vh - 11rem)}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;z-index:1;pointer-events:none;transition:opacity .9s ease,visibility .9s ease,transform .9s ease;transform:translateY(14px)}
.hero-slide.is-active{opacity:1;visibility:visible;z-index:2;pointer-events:auto;transform:none}
.hero-frame{position:relative;min-height:calc(100vh - 11rem);display:flex;flex-direction:column;justify-content:center;padding:1.5rem 0}
.hero-frame .container{display:flex;justify-content:flex-start;max-width:none;width:100%;margin:0;padding-left:clamp(1.25rem,6vw,5.5rem);padding-right:2rem}
.hero-slide-grid{display:block;max-width:min(560px,46vw);position:relative;z-index:3;text-align:left;margin:0}
.hero-title{font-family:var(--font-heading);font-size:clamp(2rem,5.5vw,3.75rem);font-weight:800;line-height:1.08;color:var(--color-text-white);margin-bottom:1.5rem;letter-spacing:-.02em}
.hero-description{font-size:1.15rem;margin-bottom:2.5rem;color:var(--color-text-muted);max-width:52ch}
.hero-actions{display:flex;gap:1.2rem;flex-wrap:wrap}

.hero-controls{position:absolute;bottom:1.5rem;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:1.25rem;z-index:10}
.hero-dots{display:flex;gap:.6rem}
.hero-dot{width:34px;height:4px;border-radius:99px;border:none;background:rgba(255,255,255,.2);cursor:pointer;padding:0;transition:var(--transition-smooth)}
.hero-dot.is-active{background:var(--color-primary-light);box-shadow:0 0 12px var(--color-primary-glow)}
.hero-autoplay-toggle{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--color-border);background:rgba(255,255,255,.05);color:var(--color-text-muted);cursor:pointer;transition:var(--transition-smooth)}
.hero-autoplay-toggle:hover{color:var(--color-text-white);border-color:var(--color-border-hover)}
.hero-icon-play{display:none}
.hero-autoplay-toggle[aria-pressed="true"] .hero-icon-pause{display:none}
.hero-autoplay-toggle[aria-pressed="true"] .hero-icon-play{display:block}

/* ---------- Sections génériques ---------- */
section{position:relative}
/* Compense le header fixe lors de la navigation par ancre */
section[id],main[id]{scroll-margin-top:110px}
@media (max-width:768px){section[id],main[id]{scroll-margin-top:86px}}
.section-header{max-width:820px;margin:0 auto 3.5rem}
.sub-title{display:block;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--color-primary-light);margin-bottom:.9rem}
.section-title{font-size:clamp(1.75rem,3.6vw,2.6rem);font-weight:800;margin-bottom:1.2rem;letter-spacing:-.02em}
.section-desc{font-size:1.05rem;color:var(--color-text-muted)}
.section-desc strong{color:var(--color-text-white)}

.reveal-on-scroll{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal-on-scroll.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal-on-scroll{opacity:1;transform:none;transition:none}.hero-slide{transition:none}}

/* ---------- Problématiques ---------- */
.problem-section{padding:6rem 0;background:linear-gradient(180deg,#02050a 0%,var(--color-bg-dark) 100%)}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.problem-card{background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-left:3px solid rgba(116,62,255,.5);border-radius:12px;padding:2rem 1.8rem;transition:var(--transition-smooth)}
.problem-card:hover{border-left-color:var(--color-secondary);background:rgba(255,255,255,.04);transform:translateY(-4px)}
.problem-icon{display:block;font-size:1.9rem;margin-bottom:.9rem;line-height:1}
.problem-card h3{font-size:1.1rem;margin-bottom:.7rem;color:var(--color-text-white)}
.problem-card p{font-size:.93rem}
.problem-conclusion{margin-top:3rem;font-size:1.1rem;max-width:820px;margin-left:auto;margin-right:auto;color:var(--color-text-muted)}
.problem-conclusion strong{color:var(--color-text-white)}

/* ---------- Concept ---------- */
.concept-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:4rem}
.concept-card{position:relative;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:14px;padding:2.4rem 2rem 2rem;transition:var(--transition-smooth)}
.concept-card:hover{border-color:var(--color-border-hover);transform:translateY(-4px);box-shadow:0 14px 40px rgba(0,0,0,.3)}
.concept-num{position:absolute;top:1.2rem;right:1.4rem;font-family:var(--font-heading);font-size:2.4rem;font-weight:800;color:rgba(67,139,245,.14);line-height:1}
.concept-card h3{font-size:1.3rem;margin-bottom:.8rem}
.concept-card p{font-size:.95rem}

.concept-compare{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:960px;margin:0 auto}
.compare-col{border:1px solid var(--color-border);border-radius:14px;padding:2rem}
.compare-col h3{font-size:1.15rem;margin-bottom:1.2rem}
.compare-col ul{display:flex;flex-direction:column;gap:.85rem}
.compare-col li{position:relative;padding-left:1.8rem;font-size:.95rem;color:var(--color-text-muted)}
.compare-col li::before{position:absolute;left:0;top:0;font-weight:700}
.compare-col--generic{background:rgba(255,255,255,.02)}
.compare-col--generic li::before{content:'✕';color:#ff6b6b}
.compare-col--centaure{background:linear-gradient(160deg,rgba(19,68,137,.22),rgba(116,62,255,.12));border-color:rgba(116,62,255,.35);box-shadow:0 15px 40px var(--color-secondary-glow)}
.compare-col--centaure li::before{content:'✓';color:#4ade80}
.compare-col--centaure li{color:var(--color-text-white)}

/* ---------- Domaines ---------- */
.domains-section{padding:6rem 0}
.domain-list{display:flex;flex-direction:column;gap:1.6rem}
.domain-card{background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:16px;padding:2.4rem;transition:var(--transition-smooth)}
.domain-card:hover{border-color:rgba(67,139,245,.35);background:rgba(19,68,137,.09)}
.domain-head{display:flex;align-items:flex-start;gap:1.2rem;margin-bottom:1.2rem}
.domain-icon{font-size:2.2rem;line-height:1;flex-shrink:0;width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,rgba(19,68,137,.4),rgba(116,62,255,.25));border:1px solid var(--color-border)}
.domain-tag{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--color-primary-light);margin-bottom:.3rem}
.domain-head h3{font-size:1.5rem}
.domain-lead{font-size:1rem;margin-bottom:1.4rem;color:var(--color-text-muted)}
.domain-uses{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem 2rem;margin-bottom:1.6rem}
.domain-uses li{position:relative;padding-left:1.4rem;font-size:.93rem;color:var(--color-text-muted);line-height:1.55}
.domain-uses li::before{content:'';position:absolute;left:0;top:.6rem;width:6px;height:6px;border-radius:50%;background:var(--color-primary-light)}
.domain-uses strong{color:var(--color-text-white)}
.domain-gain{font-size:.95rem;padding:1rem 1.2rem;border-radius:10px;background:rgba(116,62,255,.1);border:1px solid rgba(116,62,255,.25);color:var(--color-text-muted)}
.domain-gain strong{color:var(--color-text-white)}
.domain-footnote{margin-top:2.5rem;font-size:1rem;color:var(--color-text-muted)}

/* ---------- Méthode ---------- */
.process-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.process-timeline{position:relative;max-width:880px;margin:0 auto;padding-left:1rem}
.process-timeline::before{content:'';position:absolute;left:calc(1rem + 29px);top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--color-primary-light),var(--color-secondary),transparent)}
.timeline-step{position:relative;display:flex;gap:1.8rem;padding-bottom:2.6rem}
.timeline-step:last-child{padding-bottom:0}
.step-number{flex-shrink:0;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:1.15rem;font-weight:800;color:var(--color-text-white);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border:3px solid var(--color-bg-dark);box-shadow:0 0 0 1px var(--color-border);position:relative;z-index:2}
.step-content{padding-top:.5rem}
.step-title{font-size:1.25rem;margin-bottom:.6rem;display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.step-badge{display:inline-block;padding:.2rem .7rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border-radius:999px;background:rgba(74,222,128,.15);border:1px solid rgba(74,222,128,.35);color:#4ade80}
.step-text{font-size:.97rem}
.process-note{margin-top:3rem;font-size:1rem}
.process-note strong{color:var(--color-text-white)}

/* ---------- Réalisations ---------- */
.cases-section{padding:6rem 0}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.case-card{display:flex;flex-direction:column;background:linear-gradient(165deg,rgba(19,68,137,.18),rgba(7,14,27,.4));border:1px solid var(--color-border);border-radius:16px;padding:2.2rem;transition:var(--transition-smooth)}
.case-card:hover{border-color:var(--color-border-hover);transform:translateY(-5px);box-shadow:0 18px 45px rgba(0,0,0,.35)}
.case-sector{display:inline-block;align-self:flex-start;padding:.3rem .8rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--color-border);color:#7eb3ff;margin-bottom:1.2rem}
.case-card h3{font-size:1.25rem;margin-bottom:1.2rem;line-height:1.35}
.case-card p{font-size:.93rem;margin-bottom:1rem}
.case-card p:last-child{margin-bottom:0}
.case-card strong{color:var(--color-text-white)}
.case-problem{padding-left:.9rem;border-left:2px solid rgba(255,107,107,.45)}
.case-solution{padding-left:.9rem;border-left:2px solid rgba(67,139,245,.5)}
.case-result{padding-left:.9rem;border-left:2px solid rgba(74,222,128,.5)}
.cases-note{margin-top:2.5rem;font-size:.92rem;color:var(--color-text-muted);opacity:.85}

/* ---------- Signature agence ---------- */
.signed-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.signed-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.signed-card{background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;padding:2rem 1.7rem;text-align:center;transition:var(--transition-smooth)}
.signed-card:hover{border-color:var(--color-border-hover);transform:translateY(-4px)}
.signed-icon{font-size:2.2rem;margin-bottom:1rem;line-height:1}
.signed-card h3{font-size:1.12rem;margin-bottom:.7rem}
.signed-card p{font-size:.9rem}

/* ---------- Confiance ---------- */
.trust-section{padding:6rem 0}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.trust-card{background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;padding:2rem 1.8rem;transition:var(--transition-smooth)}
.trust-card:hover{border-color:rgba(67,139,245,.3);background:rgba(19,68,137,.1)}
.trust-card h3{font-size:1.1rem;margin-bottom:.8rem}
.trust-card p{font-size:.92rem}

/* ---------- Devis ---------- */
.quote-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.quote-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3.5rem}
.quote-card{position:relative;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;padding:2.2rem 1.7rem 1.8rem;transition:var(--transition-smooth)}
.quote-card:hover{border-color:var(--color-border-hover);transform:translateY(-4px)}
.quote-num{position:absolute;top:-16px;left:1.7rem;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:800;font-size:1rem;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border:3px solid var(--color-bg-dark)}
.quote-card h3{font-size:1.1rem;margin-bottom:.7rem;margin-top:.6rem}
.quote-card p{font-size:.9rem}
.quote-cta{max-width:820px;margin:0 auto;text-align:center;padding:3rem 2.5rem;border-radius:18px;background:linear-gradient(160deg,rgba(19,68,137,.28),rgba(116,62,255,.14));border:1px solid rgba(116,62,255,.3);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.quote-cta h3{font-size:1.5rem;margin-bottom:1rem}
.quote-cta p{margin-bottom:1.2rem}
.quote-cta strong{color:var(--color-text-white)}
.quote-free{font-size:1.02rem;padding:1.1rem 1.3rem;border-radius:10px;background:rgba(74,222,128,.09);border:1px solid rgba(74,222,128,.28)}

/* ---------- Écosystème ---------- */
.eco-section{padding:6rem 0}
.eco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.eco-card{display:flex;flex-direction:column;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:16px;padding:2.2rem 2rem;transition:var(--transition-smooth);color:inherit}
a.eco-card:hover{border-color:var(--color-primary-light);transform:translateY(-5px);box-shadow:0 18px 45px rgba(19,68,137,.25);color:inherit}
.eco-tag{display:inline-block;align-self:flex-start;padding:.28rem .8rem;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--color-border);color:#7eb3ff;margin-bottom:1.1rem}
.eco-tag--current{background:rgba(116,62,255,.18);border-color:rgba(116,62,255,.4);color:#c4b0ff}
.eco-card h3{font-size:1.3rem;margin-bottom:.8rem}
.eco-card p{font-size:.93rem;flex:1;margin-bottom:1.3rem}
.eco-link{font-weight:600;font-size:.92rem;color:var(--color-primary-light)}
.eco-card--current{background:linear-gradient(160deg,rgba(116,62,255,.16),rgba(19,68,137,.16));border-color:rgba(116,62,255,.35)}
.eco-note{margin-top:2.5rem;font-size:.95rem}

/* ---------- FAQ ---------- */
.faq-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.faq-accordion{max-width:880px;margin:0 auto}
.faq-item{border:1px solid var(--color-border);border-radius:12px;margin-bottom:.9rem;overflow:hidden;background:rgba(255,255,255,.02);transition:var(--transition-smooth)}
.faq-item.active{border-color:rgba(67,139,245,.4);background:rgba(19,68,137,.12)}
.faq-question{width:100%;text-align:left;padding:1.3rem 3.2rem 1.3rem 1.5rem;background:transparent;border:none;color:var(--color-text-white);font-family:var(--font-heading);font-size:1.03rem;font-weight:600;cursor:pointer;position:relative;line-height:1.4}
.faq-question::after{content:'+';position:absolute;right:1.4rem;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400;color:var(--color-primary-light);transition:var(--transition-smooth)}
.faq-item.active .faq-question::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1)}
.faq-answer p{padding:0 1.5rem 1.4rem;font-size:.95rem}
.faq-answer strong{color:var(--color-text-white)}

/* ---------- Contact ---------- */
.contact-section{padding:6rem 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.contact-info .section-title{margin-bottom:1.2rem}
.info-desc{font-size:1.02rem;margin-bottom:1.8rem}
.contact-promise{display:flex;flex-direction:column;gap:.7rem;margin-bottom:2.2rem}
.contact-promise li{position:relative;padding-left:1.7rem;font-size:.95rem;color:var(--color-text-white)}
.contact-promise li::before{content:'✓';position:absolute;left:0;color:#4ade80;font-weight:700}
.contact-details{display:flex;flex-direction:column;gap:1rem}
.detail-item{display:flex;align-items:flex-start;gap:.8rem;font-size:.95rem;color:var(--color-text-muted)}
.detail-item .icon{flex-shrink:0}

.contact-form-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:16px;padding:2.4rem;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.form-group{margin-bottom:1.3rem}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--color-text-white);margin-bottom:.5rem}
.form-group input[type=text],.form-group input[type=email],.form-group input[type=tel],.form-group select,.form-group textarea{width:100%;padding:.8rem 1rem;font-family:var(--font-body);font-size:.95rem;color:var(--color-text-white);background:rgba(0,0,0,.28);border:1px solid var(--color-border);border-radius:8px;transition:var(--transition-smooth)}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(184,197,214,.45)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--color-primary-light);background:rgba(0,0,0,.4)}
.form-group select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b8c5d6' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .9rem center;background-size:18px;padding-right:2.6rem}
.form-group select option{background:#0d1526;color:var(--color-text-white)}
.form-group textarea{resize:vertical;min-height:120px}
.form-consent .checkbox-label{display:flex;align-items:flex-start;gap:.7rem;font-size:.82rem;font-weight:400;color:var(--color-text-muted);line-height:1.5;cursor:pointer}
.form-consent input[type=checkbox]{flex-shrink:0;width:18px;height:18px;margin-top:.15rem;accent-color:var(--color-primary-light);cursor:pointer}
.form-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-feedback{margin-top:1rem;font-size:.9rem;padding:0;border-radius:8px}
.form-feedback.success{padding:.9rem 1.1rem;background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.35);color:#8ef0b0}
.form-feedback.error{padding:.9rem 1.1rem;background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.35);color:#ffb3b3}
.form-legal{margin-top:1rem;font-size:.78rem;text-align:center;color:rgba(184,197,214,.65)}

/* ==========================================================================
   COMPOSANTS PARTAGÉS — offre-ia / rs-ia / solution-ia
   ========================================================================== */

/* ---------- Cartes technologie (2 colonnes) ---------- */
.tech-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.tech-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:14px;padding:2.5rem;transition:var(--transition-smooth)}
.tech-card:hover{border-color:var(--color-border-hover);transform:translateY(-4px);box-shadow:0 14px 40px rgba(0,0,0,.3)}
.tech-card-icon{font-size:2.4rem;margin-bottom:1rem;line-height:1}
.tech-card-title{font-size:1.3rem;margin-bottom:.8rem}
.tech-card-text{font-size:.95rem}

/* ---------- Grille d'avantages (4 colonnes) ---------- */
.advantages-section{padding:6rem 0}
.grid-advantages{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.advantage-card{background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;padding:2rem 1.7rem;transition:var(--transition-smooth)}
.advantage-card:hover{border-color:rgba(67,139,245,.35);background:rgba(19,68,137,.1);transform:translateY(-4px)}
.card-icon{font-size:2.2rem;margin-bottom:1rem;line-height:1}
.card-title{font-size:1.12rem;margin-bottom:.7rem}
.card-text{font-size:.9rem}

/* ---------- Étapes numérotées en cartes (3 à 4 colonnes) ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.steps-grid--3{grid-template-columns:repeat(3,1fr)}
.step-card{position:relative;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;padding:2.4rem 1.7rem 1.8rem;transition:var(--transition-smooth)}
.step-card:hover{border-color:var(--color-border-hover);transform:translateY(-4px)}
.step-num{position:absolute;top:-16px;left:1.7rem;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:800;font-size:1rem;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border:3px solid var(--color-bg-dark)}
.step-card h3{font-size:1.1rem;margin:.6rem 0 .7rem}
.step-card p{font-size:.9rem}

/* ---------- Liste de faits / checklist ---------- */
.facts-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem 2rem;max-width:900px;margin:0 auto}
.facts-list li{position:relative;padding:1rem 1.2rem 1rem 3rem;font-size:.97rem;color:var(--color-text-muted);background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:10px}
.facts-list li::before{content:'✓';position:absolute;left:1.2rem;top:1rem;font-weight:700;color:#4ade80}
.facts-list strong{color:var(--color-text-white)}

/* ---------- Étapes détaillées numérotées (liste verticale) ---------- */
.access-steps{display:flex;flex-direction:column;gap:1.2rem;max-width:900px;margin:0 auto}
.access-step{display:flex;gap:1.4rem;align-items:flex-start;padding:1.7rem;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;transition:var(--transition-smooth)}
.access-step:hover{border-color:rgba(67,139,245,.3);background:rgba(19,68,137,.09)}
.access-num{flex-shrink:0;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:800;font-size:1rem;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary))}
.access-step h3{font-size:1.12rem;margin-bottom:.5rem}
.access-step p{font-size:.93rem}
.access-step strong{color:var(--color-text-white)}

/* ---------- Tarifs ---------- */
.pricing-section{padding:6rem 0;background:rgba(0,0,0,.15)}
.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;align-items:stretch;max-width:1000px;margin:0 auto}
.pricing-grid--3{grid-template-columns:repeat(3,1fr);max-width:100%}
.pricing-card{position:relative;display:flex;flex-direction:column;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:18px;padding:2.6rem 2.2rem 2.2rem;transition:var(--transition-smooth)}
.pricing-card:hover{transform:translateY(-5px);box-shadow:0 20px 50px rgba(0,0,0,.32)}
.pricing-card--featured{background:linear-gradient(165deg,rgba(116,62,255,.16),rgba(19,68,137,.16));border-color:rgba(116,62,255,.38);box-shadow:0 18px 45px var(--color-secondary-glow)}
.pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);padding:.35rem 1.1rem;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--color-secondary),var(--color-primary));white-space:nowrap}
.pricing-title{font-size:1.35rem;margin-bottom:.8rem}
.pricing-price{font-family:var(--font-heading);font-size:2.6rem;font-weight:800;line-height:1;color:var(--color-text-white);margin-bottom:.9rem}
.pricing-price .period{font-size:.95rem;font-weight:600;color:var(--color-text-muted);margin-left:.2rem}
.pricing-price .unit{display:block;font-size:.85rem;font-weight:500;color:var(--color-text-muted);margin-top:.4rem}
.pricing-desc{font-size:.93rem;margin-bottom:1.5rem}
.pricing-features{display:flex;flex-direction:column;gap:.7rem;margin-bottom:1.6rem;flex:1}
.pricing-features li{position:relative;padding-left:1.7rem;font-size:.9rem;color:var(--color-text-muted);line-height:1.5}
.pricing-features li::before{content:'✓';position:absolute;left:0;top:0;font-weight:700;color:#4ade80}
.pricing-features strong{color:var(--color-text-white)}
.pricing-subscription{padding:1rem 1.2rem;margin-bottom:1.6rem;font-size:.85rem;line-height:1.6;color:var(--color-text-muted);background:rgba(255,255,255,.03);border:1px solid var(--color-border);border-radius:10px}
.pricing-subscription strong{color:var(--color-text-white)}
.pricing-cta--featured{background:var(--color-secondary);box-shadow:0 4px 15px var(--color-secondary-glow)}
.pricing-cta--featured:hover{background:var(--color-text-white);color:var(--color-secondary)}
.pricing-note{margin-top:2.2rem;font-size:.92rem}

/* ---------- Tableau comparatif ---------- */
.compare-block{margin-top:5rem}
.compare-table-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--color-border)}
.compare-table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:640px}
.compare-table th,.compare-table td{padding:1rem 1.3rem;text-align:left;border-bottom:1px solid var(--color-border)}
.compare-table thead th{font-family:var(--font-heading);font-size:.9rem;font-weight:700;color:var(--color-text-white);background:rgba(19,68,137,.22);white-space:nowrap}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover{background:rgba(255,255,255,.02)}
.compare-table td{color:var(--color-text-muted)}
.compare-table .col-centaure{background:rgba(19,68,137,.12);color:var(--color-text-white)}
.compare-table thead .col-centaure{background:rgba(19,68,137,.35);color:#7eb3ff}
.compare-table .col-classic{color:rgba(184,197,214,.75)}

/* ---------- Scores de performance ---------- */
.pagespeed-section{padding:6rem 0}
.pagespeed-scores{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:900px;margin:0 auto}
.pagespeed-score{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem 1rem;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px;transition:var(--transition-smooth)}
.pagespeed-score:hover{border-color:rgba(74,222,128,.35);transform:translateY(-4px)}
.pagespeed-gauge{position:relative;width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle,rgba(74,222,128,.14) 0%,transparent 70%);border:4px solid #4ade80;box-shadow:0 0 24px rgba(74,222,128,.22)}
.pagespeed-value{font-family:var(--font-heading);font-size:1.9rem;font-weight:800;color:#4ade80}
.pagespeed-label{font-size:.9rem;font-weight:600;color:var(--color-text-white);text-align:center}
.pagespeed-footer{margin-top:2.5rem;text-align:center;font-size:.92rem;display:flex;flex-direction:column;gap:.4rem}
.pagespeed-meta{font-size:.8rem;color:rgba(184,197,214,.65)}

/* ---------- Carte CTA de fin de section ---------- */
.cta-section{padding:5rem 0}
.cta-card{max-width:820px;margin:0 auto;text-align:center;padding:3rem 2.5rem;border-radius:18px;background:linear-gradient(160deg,rgba(19,68,137,.28),rgba(116,62,255,.14));border:1px solid rgba(116,62,255,.3);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.cta-card .section-title{margin-bottom:1rem}
.cta-card .section-desc{margin-bottom:1.8rem}

/* ---------- Bandeau de preuve chiffrée ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:1000px;margin:3rem auto 0}
.stat-item{text-align:center;padding:1.6rem 1rem;background:rgba(255,255,255,.02);border:1px solid var(--color-border);border-radius:14px}
.stat-number{display:block;font-family:var(--font-heading);font-size:2.2rem;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--color-primary-light),var(--color-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin-bottom:.5rem}
.stat-label{font-size:.85rem;color:var(--color-text-muted)}

/* ---------- Encadré d'information ---------- */
.info-box{max-width:900px;margin:2.5rem auto 0;padding:1.4rem 1.6rem;border-radius:12px;background:rgba(19,68,137,.14);border:1px solid rgba(67,139,245,.28);font-size:.95rem;color:var(--color-text-muted)}
.info-box strong{color:var(--color-text-white)}

/* ---------- Pages légales ---------- */
.legal-page{padding:9rem 0 5rem}
.legal-content{max-width:860px;margin:0 auto}
.legal-content h1{font-size:clamp(1.9rem,4vw,2.6rem);margin-bottom:1.8rem}
.legal-content h2{font-size:1.25rem;margin:2.6rem 0 .9rem;color:var(--color-text-white);padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}
.legal-content p{margin-bottom:1rem;font-size:.97rem}
.legal-content strong{color:var(--color-text-white)}
.legal-list{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.2rem}
.legal-list li{position:relative;padding-left:1.4rem;font-size:.95rem;color:var(--color-text-muted)}
.legal-list li::before{content:'';position:absolute;left:0;top:.6rem;width:6px;height:6px;border-radius:50%;background:var(--color-primary-light)}
.legal-table{width:100%;border-collapse:collapse;margin:1.2rem 0 1.4rem;font-size:.9rem}
.legal-table th,.legal-table td{padding:.85rem 1rem;border:1px solid var(--color-border);text-align:left;vertical-align:top;color:var(--color-text-muted)}
.legal-table th{background:rgba(19,68,137,.25);color:var(--color-text-white);font-family:var(--font-heading);font-weight:700;font-size:.85rem}
.legal-update{margin-top:2.5rem;font-size:.85rem;opacity:.7}
@media (max-width:768px){
  .legal-page{padding:7rem 0 3.5rem}
  .legal-table,.legal-table thead,.legal-table tbody,.legal-table tr,.legal-table th,.legal-table td{display:block;width:100%}
  .legal-table thead{display:none}
  .legal-table tr{margin-bottom:1rem;border:1px solid var(--color-border);border-radius:10px;overflow:hidden}
  .legal-table td{border:none;border-bottom:1px solid var(--color-border)}
  .legal-table td:last-child{border-bottom:none}
}

/* ---------- Footer ---------- */
.main-footer{padding:3.5rem 0 2.5rem;border-top:1px solid var(--color-border);background:#02050a}
.footer-content p{font-size:.88rem;margin-bottom:.8rem}
.footer-logo{margin:0 auto 1.5rem;opacity:.85}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;font-size:.85rem}
.footer-links a{color:var(--color-text-muted)}
.footer-links a:hover{color:var(--color-primary-light)}
.social-networks{display:flex;justify-content:center;gap:1.2rem;margin-top:1.4rem}
.social-networks a{display:flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--color-border);transition:var(--transition-smooth)}
.social-networks a:hover{border-color:var(--color-primary-light);background:rgba(67,139,245,.12);transform:translateY(-2px)}
.social-networks svg{width:16px;height:16px;fill:var(--color-text-muted)}
.social-networks a:hover svg{fill:var(--color-text-white)}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .problem-grid,.trust-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}
  .signed-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .concept-grid{grid-template-columns:1fr}
  .eco-grid{grid-template-columns:1fr}
}

@media (max-width:900px){
  .hero-slide-grid{max-width:100%}
  .main-nav ul{gap:1.1rem}
  .main-nav a:not(.btn-primary-small){font-size:.82rem}
}

@media (max-width:768px){
  .container{padding:0 1.25rem}
  .logo-img{height:56px}

  /* Nav mobile */
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:0;right:-100%;width:min(320px,84vw);height:100dvh;padding:6rem 1.8rem 2rem;background:rgba(7,14,27,.985);border-left:1px solid var(--color-border);transition:right .35s cubic-bezier(.4,0,.2,1);z-index:105;overflow-y:auto}
  .main-header.nav-open .main-nav{right:0}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:.4rem}
  .main-nav li{width:100%}
  .main-nav a{display:block;padding:.85rem .4rem;border-bottom:1px solid var(--color-border);font-size:1rem!important}
  .main-nav .btn-primary-small{margin-top:1rem;text-align:center;border-bottom:none;padding:.85rem 1.2rem}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(2,5,10,.65);opacity:0;visibility:hidden;transition:var(--transition-smooth);z-index:104}
  .main-header.nav-open .nav-backdrop{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}

  /* Hero */
  .hero-section{min-height:82svh;padding:6rem 0 4.5rem}
  .hero-viewport,.hero-frame{min-height:calc(82svh - 9rem)}
  .hero-frame .container{padding-left:1.25rem;padding-right:1.25rem}
  .hero-description{font-size:1rem;margin-bottom:2rem}
  .hero-actions{gap:.8rem}
  .btn-primary,.btn-secondary{padding:.8rem 1.5rem;font-size:.9rem}

  /* Sections */
  .problem-section,.concept-section,.domains-section,.process-section,.cases-section,.signed-section,.trust-section,.quote-section,.eco-section,.faq-section,.contact-section{padding:4rem 0}
  .section-header{margin-bottom:2.5rem}
  .problem-grid,.trust-grid,.cases-grid,.signed-grid,.quote-grid,.concept-compare{grid-template-columns:1fr}
  .domain-uses{grid-template-columns:1fr}
  .domain-card{padding:1.7rem 1.4rem}
  .domain-head{gap:.9rem}
  .domain-icon{width:52px;height:52px;font-size:1.7rem}
  .domain-head h3{font-size:1.25rem}

  .process-timeline{padding-left:0}
  .process-timeline::before{left:23px}
  .timeline-step{gap:1.1rem;padding-bottom:2rem}
  .step-number{width:48px;height:48px;font-size:1rem}

  .quote-cta{padding:2.2rem 1.5rem}
  .quote-cta h3{font-size:1.25rem}

  .contact-grid{grid-template-columns:1fr;gap:2.5rem}
  .contact-form-card{padding:1.7rem 1.4rem}

  .faq-question{font-size:.97rem;padding:1.1rem 3rem 1.1rem 1.2rem}
  .faq-answer p{padding:0 1.2rem 1.2rem}
}

@media (max-width:420px){
  .hero-title{font-size:2rem}
  .section-title{font-size:1.6rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions a{text-align:center}
}

/* ---------- Print ---------- */
@media print{
  .main-header,.hero-canvas,.hero-controls,.social-networks,.contact-form-card{display:none}
  body{background:#fff;color:#000}
  p,li{color:#222}
}

/* ==========================================================================
   RESPONSIVE — composants partagés
   ========================================================================== */
@media (max-width:1080px){
  .grid-advantages,.steps-grid,.pagespeed-scores,.stats-band{grid-template-columns:repeat(2,1fr)}
  .steps-grid--3,.pricing-grid--3{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:768px){
  .tech-section,.advantages-section,.pricing-section,.pagespeed-section,.cta-section{padding:4rem 0}
  .tech-grid,.grid-advantages,.steps-grid,.steps-grid--3,.pricing-grid,.pricing-grid--3,.facts-list{grid-template-columns:1fr}
  .pagespeed-scores,.stats-band{grid-template-columns:repeat(2,1fr);gap:1rem}
  .tech-card{padding:1.8rem 1.5rem}
  .pricing-card{padding:2.2rem 1.5rem 1.8rem}
  .pricing-price{font-size:2.2rem}
  .compare-block{margin-top:3rem}
  .access-step{flex-direction:column;gap:.9rem;padding:1.5rem 1.3rem}
  .pagespeed-gauge{width:80px;height:80px}
  .pagespeed-value{font-size:1.6rem}
  .stat-number{font-size:1.8rem}
  .cta-card{padding:2.2rem 1.5rem}
}

@media (max-width:420px){
  .pagespeed-scores,.stats-band{grid-template-columns:1fr}
}