/* ============================================================
   ProfilForge — Design System partagé (pages fonctionnalités)
   Cohérent avec auth.html : fond sombre, bleu/violet, DM Sans +
   Instrument Serif. Chargé par toutes les pages /fonctionnalites/*.
   ============================================================ */
:root{
  --bg:#060608;--surface:#0D0D11;--surface2:#13131A;--surface3:#1A1A23;
  --border:rgba(255,255,255,.055);--border2:rgba(255,255,255,.09);--border3:rgba(255,255,255,.15);
  --text:#F0F0F5;--text2:#8A8A96;--text3:#44444F;
  --accent:#4F7FFF;--accent2:#7B5EA7;--accent-soft:#7BA8FF;
  --green:#30D158;--red:#FF453A;
  --radius:16px;--radius-sm:10px;--radius-xs:7px;
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}

/* ── Background ── */
.bg-scene{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.orb{position:absolute;border-radius:50%;pointer-events:none}
.orb-1{width:65vw;height:65vw;top:-18vw;left:-12vw;background:radial-gradient(ellipse at 40% 40%,rgba(79,127,255,.16) 0%,rgba(123,94,167,.09) 40%,transparent 70%);animation:orb1 20s ease-in-out infinite}
.orb-2{width:55vw;height:55vw;bottom:-18vw;right:-12vw;background:radial-gradient(ellipse at 60% 60%,rgba(123,94,167,.14) 0%,rgba(79,127,255,.06) 45%,transparent 70%);animation:orb2 24s ease-in-out infinite}
@keyframes orb1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(4vw,5vh) scale(1.08)}}
@keyframes orb2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-4vw,-5vh) scale(1.05)}}
.bg-grid{position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);background-size:72px 72px;pointer-events:none;z-index:0;mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 80%)}

/* ── Nav + dropdown ── */
.nav{position:sticky;top:0;z-index:200;background:rgba(6,6,8,.82);backdrop-filter:blur(24px);border-bottom:1px solid var(--border);padding:0 6vw}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:38px;height:38px;border-radius:9px;object-fit:contain}
.brand-name{font-family:'Instrument Serif',serif;font-size:22px;color:var(--text)}
.brand-name span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{padding:7px 14px;border-radius:20px;font-size:13px;color:var(--text2);cursor:pointer;transition:color .15s;background:none;border:none;font-family:'DM Sans',sans-serif;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-dd{position:relative}
.nav-dd-btn{display:inline-flex;align-items:center;gap:5px}
.nav-dd-btn svg{transition:transform .2s}
.nav-dd:hover .nav-dd-btn svg{transform:rotate(180deg)}
.nav-dd-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);min-width:560px;background:rgba(13,13,17,.97);backdrop-filter:blur(24px);border:1px solid var(--border2);border-radius:16px;padding:10px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);display:grid;grid-template-columns:1fr 1fr;gap:4px;z-index:300}
.nav-dd:hover .nav-dd-menu,.nav-dd:focus-within .nav-dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dd-menu::before{content:'';position:absolute;bottom:100%;left:0;right:0;height:14px}
.dd-item{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:11px;transition:background .15s;cursor:pointer}
.dd-item:hover{background:var(--surface2)}
.dd-item.current{background:rgba(79,127,255,.08)}
.dd-ico{width:34px;height:34px;border-radius:9px;background:rgba(79,127,255,.08);border:1px solid rgba(79,127,255,.14);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.dd-txt strong{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:2px}
.dd-txt span{font-size:11.5px;color:var(--text3);line-height:1.45}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.lang-btn{padding:5px 10px;border-radius:20px;border:1px solid var(--border2);background:transparent;color:var(--text3);font-family:'DM Sans',sans-serif;font-size:11px;cursor:pointer;transition:all .15s}
.lang-btn:hover{color:var(--text2);border-color:var(--border3)}
.btn-ghost{padding:7px 18px;border-radius:20px;border:1px solid var(--border2);background:transparent;color:var(--text2);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}
.btn-ghost:hover{border-color:var(--border3);color:var(--text)}
.btn-primary{padding:8px 20px;border-radius:20px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;border:none;box-shadow:0 0 20px rgba(79,127,255,.28);white-space:nowrap}
.btn-primary:hover{box-shadow:0 0 32px rgba(79,127,255,.45);transform:translateY(-1px)}

/* ── Layout ── */
.wrapper{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 6vw;z-index:1}
.section{margin-bottom:120px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
h1,h2,h3{font-family:'Instrument Serif',serif;font-weight:400;letter-spacing:-.02em;color:var(--text);line-height:1.08}
.h-xl{font-size:clamp(44px,6vw,76px)}
.h-lg{font-size:clamp(32px,4.2vw,52px)}
.h-md{font-size:clamp(24px,3vw,36px)}
.acc{background:linear-gradient(135deg,#6B9FFF 0%,#A78BFA 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.dim{color:var(--text3)}
.lead{font-size:18px;color:var(--text2);line-height:1.75;font-weight:300;max-width:620px}
.lead.center{margin-left:auto;margin-right:auto;text-align:center}

/* ── Feature hero ── */
.fhero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:64px;align-items:center;padding:72px 0 40px}
.fhero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
.btn-hero{padding:14px 30px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 4px 28px rgba(79,127,255,.4);transition:all .25s;display:inline-flex;align-items:center;gap:8px}
.btn-hero:hover{transform:translateY(-2px);box-shadow:0 8px 40px rgba(79,127,255,.55)}
.btn-hero-ghost{padding:14px 26px;border-radius:var(--radius-sm);border:1px solid var(--border2);cursor:pointer;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:400;color:var(--text2);background:transparent;transition:all .2s;display:inline-flex;align-items:center;gap:8px}
.btn-hero-ghost:hover{border-color:rgba(79,127,255,.4);color:var(--accent)}
.fhero-visual{position:relative}
.glass{position:relative;border:1px solid var(--border2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(13,13,17,.9),rgba(13,13,17,.75));box-shadow:0 32px 100px -22px rgba(0,0,0,.65),0 0 60px -22px rgba(79,127,255,.25);backdrop-filter:blur(12px);overflow:hidden}
.glass-glow{position:absolute;inset:-30%;background:radial-gradient(ellipse at 70% 30%,rgba(79,127,255,.2),rgba(123,94,167,.12) 30%,transparent 60%);filter:blur(40px);z-index:-1;pointer-events:none}

/* ── Split sections (texte + visuel alterné) ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse .split-text{order:2}
.split-text h2{margin-bottom:18px}
.split-list{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:14px}
.split-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text2);line-height:1.6}
.split-check{width:20px;height:20px;border-radius:6px;background:rgba(79,127,255,.1);border:1px solid rgba(79,127,255,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);margin-top:2px}

/* ── Benefit cards ── */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:48px}
.benefit{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;transition:all .25s;position:relative;overflow:hidden}
.benefit::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));opacity:0;transition:opacity .3s}
.benefit:hover{background:var(--surface2);border-color:var(--border2);transform:translateY(-3px)}
.benefit:hover::after{opacity:1}
.benefit-ico{width:46px;height:46px;border-radius:12px;background:rgba(79,127,255,.08);border:1px solid rgba(79,127,255,.14);display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:18px}
.benefit h3{font-family:'DM Sans',sans-serif;font-size:17px;font-weight:600;margin-bottom:8px;letter-spacing:0}
.benefit p{font-size:13.5px;color:var(--text3);line-height:1.7}

/* ── Steps ── */
.steps{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-top:48px}
.step{display:flex;gap:24px;padding:28px 34px;background:var(--surface);border-bottom:1px solid var(--border);align-items:flex-start}
.step:last-child{border-bottom:none}
.step-n{width:36px;height:36px;border-radius:50%;border:1px solid rgba(79,127,255,.3);background:rgba(79,127,255,.08);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--accent);flex-shrink:0;margin-top:2px}
.step-t{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px}
.step-d{font-size:14px;color:var(--text2);line-height:1.75}

/* ── Mini FAQ ── */
.mfaq{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-top:40px;max-width:820px}
.mfaq-item{border-bottom:1px solid var(--border);background:var(--surface)}
.mfaq-item:last-child{border-bottom:none}
.mfaq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 26px;background:transparent;border:none;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:500;color:var(--text);cursor:pointer;text-align:left;gap:16px;transition:background .15s}
.mfaq-q:hover{background:var(--surface2)}
.mfaq-ic{font-size:20px;color:var(--text3);transition:transform .25s;flex-shrink:0;font-weight:300}
.mfaq-item.open .mfaq-ic{transform:rotate(45deg);color:var(--accent)}
.mfaq-a{font-size:14px;color:var(--text2);line-height:1.8;padding:0 26px 20px;display:none}
.mfaq-item.open .mfaq-a{display:block}

/* ── CTA band ── */
.cta-band{position:relative;border:1px solid var(--border2);border-radius:var(--radius);background:linear-gradient(135deg,rgba(79,127,255,.08),rgba(123,94,167,.06));padding:64px 48px;text-align:center;overflow:hidden}
.cta-band h2{margin-bottom:14px}
.cta-band .lead{margin:0 auto 28px}

/* ── Cross-links vers autres features ── */
.xlinks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px}
.xlink{display:flex;gap:12px;align-items:center;padding:18px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all .2s}
.xlink:hover{background:var(--surface2);border-color:var(--border2);transform:translateY(-2px)}
.xlink-ico{width:38px;height:38px;border-radius:10px;background:rgba(79,127,255,.08);border:1px solid rgba(79,127,255,.14);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.xlink-t{font-size:13.5px;font-weight:600;color:var(--text)}
.xlink-d{font-size:11.5px;color:var(--text3);margin-top:1px}

/* ── Footer ── */
.footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:32px 6vw;margin-top:40px}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand span{font-family:'Instrument Serif',serif;font-size:15px;color:var(--text2)}
.footer-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.footer-links a{font-size:12px;color:var(--text3);transition:color .15s}
.footer-links a:hover{color:var(--text2)}
.footer-copy{font-size:11px;color:var(--text3)}

/* ── Animations ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.reveal{opacity:0}
.reveal.in{animation:fadeUp .7s cubic-bezier(.16,1,.3,1) both}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4;transform:scale(1.4)}}

/* ── Responsive ── */
@media(max-width:1000px){
  .fhero{grid-template-columns:1fr;gap:40px;padding:48px 0 24px}
  .split{grid-template-columns:1fr;gap:32px}.split.reverse .split-text{order:0}
  .benefits{grid-template-columns:1fr 1fr}.xlinks{grid-template-columns:1fr}
  .nav-dd-menu{grid-template-columns:1fr;min-width:300px}
}
@media(max-width:760px){
  .wrapper{padding:0 22px}.nav{padding:0 22px}.nav-links{display:none}
  .benefits{grid-template-columns:1fr}.section{margin-bottom:80px}
  .cta-band{padding:44px 24px}
}
@media(prefers-reduced-motion:reduce){.orb{animation:none}.reveal.in{animation:none;opacity:1}}