:root{
  --bg:#FDFDFD;
  --card:#FFFFFF;
  --fg:#0D0D0D;
  --fg-soft:#737373;
  --border:#E6E6E6;
  --secondary:#F5F5F5;
  --brand:#156CDD;
  --brand-soft:rgba(21,108,221,0.10);
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:26px;
  --radius-full:999px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{transition:none !important;} }
body{ margin:0; background:var(--bg); color:var(--fg); font-family:'Inter',sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; }
h1,h2,h3{ font-family:'Space Grotesk',sans-serif; letter-spacing:-0.02em; margin:0; font-weight:600; }
img{ max-width:100%; display:block; }
.wrap{ max-width:1152px; margin:0 auto; padding:0 24px; }
@media (max-width:640px){ .wrap{padding:0 20px;} }

/* -------- HEADER -------- */
header{ position:sticky; top:0; z-index:50; background:rgba(253,253,253,0.82); backdrop-filter:blur(10px); border-bottom:1px solid var(--border); }
nav.wrap{ display:flex; align-items:center; justify-content:space-between; height:66px; gap:16px; }
.logo{ display:flex; align-items:center; gap:9px; font-family:'Space Grotesk',sans-serif; font-size:1.08rem; font-weight:600; letter-spacing:-0.02em; color:var(--fg); text-decoration:none; }
.logo-mark{ width:28px; height:28px; border-radius:8px; background:var(--fg); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.logo-mark::after{ content:""; width:9px; height:9px; border-radius:3px; background:var(--brand); }
.nav-links{ display:flex; align-items:center; gap:30px; font-size:0.9rem; font-weight:500; }
.nav-links a{ text-decoration:none; color:var(--fg-soft); transition:color .15s; }
.nav-links a:hover{ color:var(--fg); }
.nav-cta{ display:flex; align-items:center; }
@media (max-width:820px){ .nav-links{display:none;} .nav-cta{display:none;} }
.nav-toggle{ display:none; width:38px; height:38px; align-items:center; justify-content:center; border:1px solid var(--border); border-radius:9px; background:var(--card); cursor:pointer; }
.nav-toggle span{ display:block; width:16px; height:1.5px; background:var(--fg); }
.nav-toggle span + span{ margin-top:4px; }
@media (max-width:820px){ .nav-toggle{ display:flex; } }
.mobile-nav{ display:none; border-top:1px solid var(--border); padding:16px 0 20px; }
.mobile-nav.open{ display:block; }
.mobile-nav ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.mobile-nav a{ text-decoration:none; color:var(--fg-soft); font-size:0.92rem; font-weight:500; }
.mobile-nav .btn{ margin-top:4px; }

/* -------- BUTTONS -------- */
.btn{ display:inline-flex; align-items:center; gap:8px; height:44px; padding:0 24px; font-size:0.9rem; font-weight:500; text-decoration:none; border-radius:var(--radius-full); border:1px solid transparent; cursor:pointer; transition:opacity .15s, background-color .15s, border-color .15s; white-space:nowrap; }
.btn-primary{ background:var(--fg); color:#fff; }
.btn-primary:hover{ opacity:0.88; }
.btn-outline{ border-color:var(--border); color:var(--fg); background:var(--card); }
.btn-outline:hover{ background:var(--secondary); border-color:var(--fg); }
.btn svg{ width:16px; height:16px; transition:transform .15s; }
.btn:hover svg{ transform:translateX(2px); }
:focus-visible{ outline:2px solid var(--brand); outline-offset:3px; }

/* -------- SHARED SECTION HEADS -------- */
.eyebrow{ display:inline-flex; align-items:center; gap:8px; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:0.74rem; color:var(--brand); font-weight:600; text-transform:uppercase; letter-spacing:0.08em; margin-bottom:14px; }
section{ padding:88px 0; border-top:1px solid var(--border); }
section.hero{ border-top:none; }
@media (max-width:640px){ section{ padding:60px 0; } }
.sec-head{ max-width:640px; margin:0 auto 48px; text-align:center; }
.sec-head.left{ margin:0; text-align:left; max-width:480px; }
.sec-head h2{ font-size:clamp(1.6rem,3vw,2.1rem); margin-bottom:14px; text-wrap:balance; }
.sec-head p{ color:var(--fg-soft); margin:0; font-size:1.02rem; line-height:1.65; }

/* -------- HERO -------- */
.hero{ padding:96px 0 76px; text-align:center; }
.hero-badge{ display:inline-flex; align-items:center; gap:8px; border:1px solid var(--border); background:var(--card); border-radius:var(--radius-full); padding:7px 16px; font-size:0.78rem; font-weight:500; color:var(--fg-soft); margin-bottom:26px; }
.hero-badge .dot{ width:6px; height:6px; border-radius:50%; background:var(--brand); }
.hero h1{ font-size:clamp(2.2rem,4.8vw,3.4rem); font-weight:600; line-height:1.08; max-width:18ch; margin:0 auto 22px; }
.hero h1 .accent{ color:var(--brand); }
.hero p.lede{ color:var(--fg-soft); font-size:1.1rem; max-width:46ch; margin:0 auto 34px; line-height:1.65; }
.hero-cta{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-bottom:60px; }

.hero-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; max-width:760px; margin:0 auto; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
@media (max-width:640px){ .hero-stats{ grid-template-columns:repeat(2,1fr); } }
.hero-stats div{ background:var(--card); padding:22px 12px; text-align:center; }
.hero-stats .v{ font-family:'Space Grotesk',sans-serif; font-size:1.6rem; font-weight:600; letter-spacing:-0.01em; }
.hero-stats .l{ margin-top:4px; font-size:0.74rem; color:var(--fg-soft); }

/* -------- SERVICES -------- */
.service-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
@media (max-width:820px){ .service-grid{grid-template-columns:1fr;} }
.service{ display:flex; flex-direction:column; background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:28px 26px; transition:border-color .15s; }
.service:hover{ border-color:rgba(13,13,13,0.25); }
.service-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.service-icon{ width:44px; height:44px; border-radius:12px; background:var(--secondary); display:flex; align-items:center; justify-content:center; }
.service-icon svg{ width:20px; height:20px; }
.service-badge{ background:var(--brand-soft); color:var(--brand); font-size:0.74rem; font-weight:600; padding:5px 12px; border-radius:var(--radius-full); }
.service h3{ font-size:1.15rem; margin-bottom:10px; }
.service p{ color:var(--fg-soft); font-size:0.9rem; margin:0; line-height:1.6; }
.service ul{ list-style:none; margin:22px 0 0; padding-top:18px; border-top:1px solid var(--border); display:flex; flex-direction:column; gap:9px; }
.service li{ display:flex; align-items:center; gap:8px; font-size:0.88rem; }
.service li svg{ width:14px; height:14px; color:var(--brand); flex-shrink:0; }
.service .price{ margin-top:18px; font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:1.02rem; }
.service .price small{ display:block; font-family:'Inter',sans-serif; font-weight:500; font-size:0.74rem; color:var(--fg-soft); margin-top:2px; }

/* -------- DEUX APPROCHES -------- */
.approach-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:900px){ .approach-grid{ grid-template-columns:1fr; } }
.approach{ display:flex; flex-direction:column; overflow:hidden; border-radius:var(--radius-xl); border:1px solid var(--border); background:var(--card); }
.approach.highlight{ border-color:rgba(13,13,13,0.28); box-shadow:0 20px 50px -30px rgba(13,13,13,0.3); }
.approach-img{ position:relative; aspect-ratio:16/10; width:100%; overflow:hidden; border-bottom:1px solid var(--border); background:var(--secondary); }
.approach-img img{ width:100%; height:100%; object-fit:cover; object-position:top; }
.approach-body{ padding:28px 30px 32px; }
.approach-tag{ font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--fg-soft); }
.approach-body h3{ font-size:1.4rem; margin-top:10px; }
.approach-tagline{ margin-top:4px; font-size:0.92rem; font-weight:500; color:var(--brand); }
.approach-desc{ margin-top:14px; font-size:0.92rem; color:var(--fg-soft); line-height:1.6; }
.approach-features{ list-style:none; margin:22px 0 0; padding-top:20px; border-top:1px solid var(--border); display:grid; grid-template-columns:1fr 1fr; gap:12px 16px; }
.approach-features li{ display:flex; align-items:flex-start; gap:8px; font-size:0.87rem; }
.approach-features svg{ width:15px; height:15px; color:var(--brand); flex-shrink:0; margin-top:2px; }

/* -------- METHODE (process) -------- */
.process-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:48px; align-items:start; }
@media (max-width:860px){ .process-grid{ grid-template-columns:1fr; gap:28px; } }
.steps{ list-style:none; margin:0; padding:0; border-top:1px solid var(--border); }
.step{ display:flex; gap:22px; padding:26px 0; border-bottom:1px solid var(--border); text-align:left; }
.step .n{ flex-shrink:0; color:var(--fg-soft); font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:0.85rem; font-weight:500; padding-top:2px; }
.step h3{ font-size:1.05rem; margin-bottom:6px; }
.step p{ color:var(--fg-soft); font-size:0.92rem; margin:0; line-height:1.6; }

/* -------- CHATBOT -------- */
.chatbot-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
@media (max-width:860px){ .chatbot-wrap{grid-template-columns:1fr; gap:36px;} }
.chatbot-wrap p.lede{ color:var(--fg-soft); max-width:44ch; margin:0; }
.chat-window{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 24px 60px -32px rgba(13,13,13,0.22); }
.chat-window .mockbar{ height:34px; background:var(--secondary); display:flex; align-items:center; gap:6px; padding:0 14px; border-bottom:1px solid var(--border); }
.chat-window .mockbar span{ width:8px; height:8px; border-radius:50%; background:#D8D8D8; }
.chat-body{ padding:20px; min-height:230px; display:flex; flex-direction:column; gap:10px; background:var(--secondary); }
.bubble{ max-width:80%; padding:11px 14px; border-radius:14px; font-size:0.88rem; line-height:1.45; }
.bubble.bot{ background:#fff; border:1px solid var(--border); color:var(--fg); align-self:flex-start; border-bottom-left-radius:4px; }
.bubble.user{ background:var(--brand); color:#fff; align-self:flex-end; border-bottom-right-radius:4px; }

/* -------- CONTACT -------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; }
@media (max-width:860px){ .contact-grid{grid-template-columns:1fr;} }
.contact-checklist{ margin-top:28px; padding-top:28px; border-top:1px solid var(--border); display:flex; flex-direction:column; gap:14px; }
.contact-checklist div{ display:flex; align-items:center; gap:12px; font-size:0.92rem; }
.contact-checklist .ok{ flex-shrink:0; width:22px; height:22px; border-radius:50%; background:var(--brand-soft); display:flex; align-items:center; justify-content:center; }
.contact-checklist .ok svg{ width:12px; height:12px; color:var(--brand); }
.contact-card{ background:var(--card); border:1px solid var(--border); border-radius:24px; padding:32px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:0.86rem; font-weight:500; margin-bottom:8px; color:var(--fg); }
.field input, .field select, .field textarea{ width:100%; height:44px; padding:0 15px; border:1px solid var(--border); border-radius:12px; font-family:'Inter',sans-serif; font-size:0.9rem; background:var(--bg); color:var(--fg); transition:border-color .15s; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:rgba(13,13,13,0.4); }
.field select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:36px; }
.field textarea{ height:auto; min-height:100px; padding:12px 15px; resize:vertical; }
.contact-note{ background:var(--secondary); border-left:2px solid var(--brand); padding:14px 16px; font-size:0.85rem; color:var(--fg-soft); margin-top:20px; border-radius:0 10px 10px 0; }

/* -------- FOOTER -------- */
footer{ background:var(--bg); border-top:1px solid var(--border); padding:48px 0 28px; }
footer .wrap{ display:flex; flex-direction:column; gap:28px; }
.footer-top{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
.footer-links{ list-style:none; display:flex; flex-wrap:wrap; gap:28px; margin:0; padding:0; font-size:0.88rem; }
.footer-links a{ color:var(--fg-soft); text-decoration:none; }
.footer-links a:hover{ color:var(--fg); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:22px; border-top:1px solid var(--border); font-size:0.78rem; color:var(--fg-soft); }
.footer-bottom a{ color:inherit; }

/* -------- FORM FEEDBACK -------- */
.form-status{ margin-top:14px; padding:12px 14px; border-radius:10px; font-size:0.88rem; display:none; }
.form-status.show{ display:block; }
.form-status.success{ background:#EAF6EC; color:#1E7B34; border:1px solid #BFE6C6; }
.form-status.error{ background:#FBEAEA; color:#B23A3A; border:1px solid #F1C6C6; }
.field-error{ color:#B23A3A; font-size:0.78rem; margin-top:4px; }
.btn[disabled]{ opacity:0.6; cursor:not-allowed; }