@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Geist:wght@500;600;700;800&display=swap');

:root{
  /* Neutres */
  --ink:#0a1410;--ink-2:#44524c;--muted:#7b8a83;
  /* Émeraude (accent unique) */
  --brand:#059669;--brand-dark:#047857;--brand-light:#10b981;--brand-50:#ecfdf5;--brand-100:#d1fae5;--accent:#059669;
  /* Fonds */
  --bg:#ffffff;--bg-soft:#f5f8f6;--bg-card:#ffffff;
  --dark:#07140e;--dark-2:#0c1f17;
  --border:#e7ece9;--border-2:#eef2f0;--ok:#059669;
  /* Rayons */
  --radius:16px;--radius-lg:24px;--radius-sm:10px;--radius-pill:999px;
  /* Ombres douces multi-couches */
  --shadow:0 1px 2px rgba(6,20,14,.04),0 10px 30px rgba(6,20,14,.06);
  --shadow-lg:0 2px 4px rgba(6,20,14,.04),0 28px 64px rgba(6,20,14,.10);
  --shadow-brand:0 10px 40px rgba(5,150,105,.18);
  --display:"Geist","General Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:var(--brand);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand-dark)}

/* ===== Header / nav translucide ===== */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border-2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{font-family:var(--display);font-weight:700;font-size:1.2rem;color:var(--ink);letter-spacing:-.03em}
.logo .ai{color:var(--brand)}
.nav-links{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--ink-2);font-size:.94rem;font-weight:500}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff !important;padding:11px 22px;border-radius:var(--radius-sm);font-weight:600;border:none;cursor:pointer;font-size:.98rem;font-family:var(--body);letter-spacing:-.01em;box-shadow:0 1px 2px rgba(6,20,14,.08),0 4px 14px rgba(5,150,105,.22);transition:transform .18s,box-shadow .18s,background .18s}
.btn:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 2px 4px rgba(6,20,14,.1),0 10px 28px rgba(5,150,105,.3)}
.btn-ghost{background:transparent;color:var(--ink) !important;border:1px solid var(--border);box-shadow:none}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand);color:var(--brand-dark) !important;box-shadow:none}

/* ===== Hero ===== */
.hero{position:relative;padding:92px 0 72px;overflow:hidden;background:linear-gradient(180deg,var(--brand-50) 0%,#fff 60%)}
.hero::before{content:"";position:absolute;top:-220px;left:50%;transform:translateX(-50%);width:900px;height:620px;background:radial-gradient(ellipse at center,rgba(16,185,129,.22),transparent 62%);pointer-events:none;z-index:0}
.hero .container{position:relative;z-index:1}
.hero h1{font-family:var(--display);font-size:clamp(2.4rem,5vw,4rem);line-height:1.04;letter-spacing:-.035em;font-weight:700;max-width:16ch}
.hero .sub{margin-top:22px;font-size:1.22rem;color:var(--ink-2);max-width:46ch;line-height:1.55}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

/* Pills / eyebrows */
.badge{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand-dark);font-size:.84rem;font-weight:600;padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:22px;border:1px solid var(--border);box-shadow:var(--shadow)}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-light);box-shadow:0 0 0 3px rgba(16,185,129,.2)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}

/* ===== Bande de réassurance ===== */
.trust-band{border-top:1px solid var(--border-2);border-bottom:1px solid var(--border-2);background:#fff}
.trust-band .container{display:flex;flex-wrap:wrap;gap:14px 36px;align-items:center;justify-content:center;padding-top:22px;padding-bottom:22px}
.trust-item{display:flex;align-items:center;gap:9px;color:var(--ink-2);font-size:.9rem;font-weight:500}
.trust-item svg{width:18px;height:18px;flex:none;color:var(--brand)}
.trust-item b{color:var(--ink);font-weight:600}

/* ===== Sections ===== */
section{padding:108px 0}
section.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:52px}
h2{font-family:var(--display);font-size:clamp(1.9rem,3.2vw,2.6rem);letter-spacing:-.03em;line-height:1.1;font-weight:700;margin-bottom:16px}
.section-intro{color:var(--ink-2);max-width:62ch;margin-bottom:0;font-size:1.08rem}
.section-head .section-intro{margin-bottom:0}
h3{font-family:var(--display);font-size:1.18rem;letter-spacing:-.02em;margin-bottom:8px;font-weight:600}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px;margin-top:8px}
.stat{text-align:left}
.stat .n{font-family:var(--display);font-size:clamp(2.4rem,4vw,3.4rem);font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--ink);background:linear-gradient(120deg,var(--brand-dark),var(--brand-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .l{margin-top:10px;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600}

/* ===== Cartes / bento ===== */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--border)}
.card p{color:var(--ink-2);font-size:.98rem}
.card .num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--brand-50);color:var(--brand-dark);font-family:var(--display);font-weight:700;font-size:1rem;margin-bottom:16px;border:1px solid var(--brand-100)}

/* ===== Pricing ===== */
.pricing{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.price-card.featured{border:1.5px solid var(--brand);box-shadow:var(--shadow-brand)}
.price-card .plan{font-family:var(--display);font-weight:600;font-size:1.08rem}
.price-card .price{font-family:var(--display);font-size:2.3rem;font-weight:700;margin:12px 0 2px;letter-spacing:-.03em}
.price-card .per{color:var(--muted);font-size:.84rem;margin-bottom:20px}
.price-card ul{list-style:none;margin-bottom:24px;flex:1}
.price-card li{padding:6px 0 6px 28px;position:relative;color:var(--ink-2);font-size:.93rem}
.price-card li::before{content:"";position:absolute;left:0;top:11px;width:16px;height:16px;background:var(--brand-50);border-radius:50%}
.price-card li::after{content:"✓";position:absolute;left:3px;top:6px;color:var(--brand);font-weight:700;font-size:.72rem}
.tag{position:absolute;top:-12px;left:32px;background:var(--brand);color:#fff;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.05em;box-shadow:var(--shadow-brand)}

/* ===== Mockup produit (fenêtre d'app) ===== */
.mock-wrap{position:relative;margin-top:56px}
.mock-wrap::before{content:"";position:absolute;inset:-40px -20px;background:radial-gradient(ellipse at 50% 30%,rgba(16,185,129,.18),transparent 65%);z-index:0}
.mock{position:relative;z-index:1;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;max-width:980px;margin:0 auto}
.mock-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--border-2);background:var(--bg-soft)}
.mock-bar .dot{width:11px;height:11px;border-radius:50%;background:#dde3e0}
.mock-bar .mock-title{margin-left:12px;font-size:.82rem;color:var(--muted);font-weight:500}
.mock-body{padding:22px;display:grid;gap:10px}
.mock-row{display:grid;grid-template-columns:36px 1fr auto auto;align-items:center;gap:14px;padding:13px 16px;border:1px solid var(--border-2);border-radius:12px;background:#fff;font-size:.9rem}
.mock-row .cy{width:36px;height:36px;border-radius:9px;background:var(--brand-50);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700}
.mock-row .nm{color:var(--ink);font-weight:500}
.mock-row .me{color:var(--muted);font-size:.82rem}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:600;padding:4px 11px;border-radius:var(--radius-pill)}
.pill.ok{background:var(--brand-50);color:var(--brand-dark)}
.pill.warn{background:#fff7ed;color:#c2410c}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}

/* ===== Section sombre (IA) ===== */
section.dark{position:relative;background:var(--dark);color:#e6efe9;overflow:hidden}
section.dark::before{content:"";position:absolute;top:-180px;right:-120px;width:620px;height:620px;background:radial-gradient(circle,rgba(16,185,129,.22),transparent 60%);pointer-events:none}
section.dark h2{color:#fff}
section.dark .section-intro{color:#9fb4aa}
section.dark .eyebrow{color:var(--brand-light)}
section.dark .card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);box-shadow:none}
section.dark .card:hover{border-color:rgba(16,185,129,.4);background:rgba(255,255,255,.05)}
section.dark .card h3{color:#fff}
section.dark .card p{color:#9fb4aa}
section.dark .card .num{background:rgba(16,185,129,.12);color:var(--brand-light);border-color:rgba(16,185,129,.25)}

/* ===== Tables ===== */
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border-2)}
th{background:var(--bg-soft);font-weight:600;font-size:.86rem;letter-spacing:.01em}
tr:last-child td{border-bottom:none}
caption{caption-side:top;text-align:left;font-size:.85rem;color:var(--muted);padding-bottom:8px}

/* ===== Pipeline ===== */
.pipeline{counter-reset:step;list-style:none;max-width:840px}
.pipeline li{position:relative;padding:18px 0 18px 68px;border-left:2px solid var(--border);margin-left:22px}
.pipeline li::before{counter-increment:step;content:counter(step);position:absolute;left:-22px;top:16px;width:44px;height:44px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;box-shadow:var(--shadow-brand)}
.pipeline li strong{display:block;margin-bottom:3px;font-family:var(--display);font-size:1.05rem}
.pipeline li p{color:var(--ink-2);font-size:.95rem}

/* ===== FAQ ===== */
.faq{max-width:820px}
.faq details{border:1px solid var(--border);border-radius:var(--radius);padding:4px 22px;margin-bottom:12px;background:#fff;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{font-family:var(--display);font-weight:600;cursor:pointer;padding:16px 0;list-style:none;position:relative;padding-right:30px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:1.3rem;color:var(--brand);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 18px;color:var(--ink-2)}

/* ===== Waitlist ===== */
.waitlist{position:relative;background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 100%);color:#fff;border-radius:var(--radius-lg);padding:60px 40px;text-align:center;overflow:hidden;box-shadow:var(--shadow-lg)}
.waitlist::before{content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:640px;height:420px;background:radial-gradient(ellipse at center,rgba(16,185,129,.3),transparent 62%);pointer-events:none}
.waitlist>*{position:relative;z-index:1}
.waitlist h2{color:#fff}
.waitlist p{color:#a7bcb2;max-width:560px;margin:10px auto 28px}
.waitlist form{display:flex;gap:10px;max-width:460px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.waitlist input[type=email]{flex:1;min-width:240px;padding:13px 16px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;font-size:1rem;font-family:var(--body)}
.waitlist input::placeholder{color:#8ba298}
.waitlist .note{font-size:.8rem;color:#7f968c;margin-top:14px}

/* ===== Prose (guides) ===== */
.prose{max-width:760px}
.prose h1{font-family:var(--display);font-size:clamp(2rem,4vw,2.6rem);letter-spacing:-.03em;line-height:1.12;margin:16px 0 20px;font-weight:700}
.prose h2{font-family:var(--display);font-size:1.55rem;letter-spacing:-.02em;margin:44px 0 14px;font-weight:600}
.prose h3{font-family:var(--display);font-size:1.18rem;margin:28px 0 8px;font-weight:600}
.prose p,.prose ul,.prose ol{margin-bottom:18px;color:var(--ink-2)}
.prose ul,.prose ol{padding-left:24px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--ink)}
.prose .updated{color:var(--muted);font-size:.85rem}
.callout{background:var(--brand-50);border:1px solid var(--brand-100);border-left:4px solid var(--brand);padding:18px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0}
.callout p{margin:0;color:var(--ink)}

/* ===== Footer ===== */
footer{border-top:1px solid var(--border);padding:56px 0 40px;margin-top:0;background:var(--bg-soft);font-size:.9rem}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px 48px;margin-bottom:28px}
.footer-grid>div{flex:1 1 200px}
footer h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px;font-weight:600}
footer ul{list-style:none}
footer li{padding:4px 0}
footer a{color:var(--ink-2)}
footer a:hover{color:var(--brand-dark)}
.footer-guides ul,ul.guides-list{column-count:3;column-gap:32px}
.footer-legal{color:var(--muted);font-size:.82rem;border-top:1px solid var(--border);padding-top:22px;line-height:1.6}

/* ===== Responsive ===== */
@media(max-width:860px){
  .footer-grid{grid-template-columns:1fr}
  ul.guides-list{column-count:2}
  section{padding:72px 0}
}
@media(max-width:640px){
  .nav-links{display:none}
  body{font-size:16px}
  .hero{padding:64px 0 48px}
  ul.guides-list{column-count:1}
  .mock-row{grid-template-columns:32px 1fr auto}
  .mock-row .me{display:none}
}