:root {
  --nuit: #0c2422;
  --nuit-2: #102b28;
  --doubs: #1e4d48;
  --laiton: #c9a24b;
  --laiton-2: #e3c57e;
  --pierre: #eae3d4;
  --craie: #f6f3ec;
  --ink: #081311;
  --muted: #9db3ac;
  --line: rgba(201, 162, 75, 0.18);
  --radius: 14px;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", monospace;
  /* Micro-ajustements de design */
  --shadow-soft: 0 12px 36px -8px rgba(0, 0, 0, 0.4);
  --shadow-inner: inset 0 1px 2px rgba(255, 255, 255, 0.05);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--pierre);
  background: var(--nuit);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { 
  font-family: var(--display); 
  font-weight: 800; 
  line-height: 1.1; 
  letter-spacing: -0.04em; 
  margin: 0;
}

a { color: inherit; text-decoration: none; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
a:hover { opacity: 0.85; transform: translateY(-1px); }

em { font-style: normal; color: var(--laiton); font-weight: 600; position: relative; }

.eyebrow {
  font-family: var(--mono); 
  font-size: 0.7rem; 
  text-transform: uppercase;
  letter-spacing: 0.35em; 
  color: var(--laiton); 
  margin: 0 0 1.2rem;
  display: inline-block;
}

.dot { color: var(--laiton); }

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 2rem;
  padding: 1rem clamp(1.2rem, 4vw, 3rem);
  background: rgba(12, 36, 34, 0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 0.8rem; font-family: var(--display); font-weight: 700; font-size: 1.3rem; }

.brand-mark {
  width: 26px; height: 26px; border-radius: 50%;
  border: 1.5px solid var(--laiton);
  background: radial-gradient(circle at 30% 30%, var(--laiton-2) 0%, transparent 80%),
              conic-gradient(from 180deg, var(--laiton) 0deg, transparent 180deg);
  box-shadow: 0 0 12px rgba(201, 162, 75, 0.3);
}

.nav { display: flex; gap: 2.5rem; margin-left: auto; font-size: 0.85rem; }
.nav a { color: var(--muted); font-weight: 500; text-transform: lowercase; }
.nav a:hover { color: var(--pierre); }

.head-cta { margin-left: 0; }

/* ---------- Buttons ---------- */
.btn { 
  font-family: var(--body); 
  font-weight: 600; 
  font-size: 0.9rem; 
  border-radius: 100px; 
  padding: 0.85rem 2rem; 
  cursor: pointer; 
  border: 1px solid transparent; 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
  display: inline-block;
}
.btn:active { transform: scale(0.96); }

.btn-solid { background: var(--laiton); color: var(--ink); border: 1px solid var(--laiton); box-shadow: 0 4px 15px rgba(201, 162, 75, 0.3); }
.btn-solid:hover { background: var(--laiton-2); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(201, 162, 75, 0.4); }

.btn-ghost { border: 1px solid var(--line); color: var(--pierre); background: transparent; }
.btn-ghost:hover { border-color: var(--laiton); color: var(--laiton-2); background: rgba(201, 162, 75, 0.05); }

/* ---------- Hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
  padding: clamp(5rem, 12vw, 10rem) clamp(1.5rem, 4vw, 3rem);
  max-width: 1400px; margin: 0 auto;
}

.hero-copy h1 { font-size: clamp(3.5rem, 9vw, 6rem); line-height: 1.08; }
.lede { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--muted); max-width: 45ch; margin: 1.5rem 0 3rem; line-height: 1.7; }
.assur { list-style: none; display: flex; flex-wrap: wrap; gap: 0.8rem; padding: 0; margin: 3rem 0 0; }
.assur li { font-family: var(--mono); font-size: 0.75rem; padding: 0.6rem 1.2rem; border: 1px solid var(--line); border-radius: 100px; color: var(--muted); background: rgba(201, 162, 75, 0.08); }
.assur strong { color: var(--laiton-2); }

/* ---------- Le compteur (signature) ---------- */
.meter {
  background: linear-gradient(145deg, #fefefe, #e6e6e6);
  color: var(--ink); border-radius: 30px;
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-soft), inset 0 1px 2px rgba(0,0,0,0.1);
  border: 1px solid rgba(201, 162, 75, 0.4);
}
.meter-head { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.3em; color: #8a816d; }
.meter-live { color: var(--doubs); display: flex; align-items: center; gap: 0.6rem; font-weight: bold; }
.meter-live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--laiton); }
.meter.is-running .meter-live { color: #146b3a; }
.meter.is-running .meter-live::before { background: #2ecc71; box-shadow: 0 0 12px rgba(46, 204, 113, 0.5); animation: ping 1.5s infinite; }

@keyframes ping { 
  0% { transform: scale(1); opacity: 1; }
  70% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

.meter-readout { display: flex; align-items: baseline; gap: 0.6rem; margin: 1.2rem 0; border-bottom: 2px solid rgba(12, 36, 34, 0.1); padding-bottom: 1rem; }
.meter-price { font-family: var(--mono); font-weight: 800; font-size: clamp(3.5rem, 9vw, 5.5rem); line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.meter-price[data-empty="true"] { color: #c3b89c; }
.meter-cur { font-family: var(--mono); font-size: 1.8rem; color: var(--laiton); font-weight: 700; }
.meter-sub { font-size: 0.95rem; color: #8a816d; margin-top: 0.8rem; min-height: 1.4em; letter-spacing: 0.02em; }

.meter-form { margin-top: 2rem; display: grid; gap: 1rem; }
.fld { display: grid; gap: 0.5rem; }
.fld > span { font-family: var(--mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.2em; color: #8a816d; }
.fld input, .fld select {
  font-family: var(--body); font-size: 1rem; padding: 1rem 1.2rem;
  border: 1px solid rgba(12, 36, 34, 0.15); border-radius: 12px;
  background: #fff; color: var(--ink); width: 100%; transition: all 0.2s ease;
}
.fld input:focus, .fld select:focus { outline: none; border-color: var(--laiton); box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.15); }
.meter-form .btn-solid { margin-top: 0.8rem; width: 100%; padding: 1.2rem; font-size: 1.05rem; letter-spacing: 0.05em; text-transform: uppercase; }

/* ---------- Sections ---------- */
section { scroll-margin-top: 120px; }
.sec-head { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; }
.sec-head h2 { font-size: clamp(2.2rem, 6vw, 3.5rem); max-width: 30ch; border-left: 4px solid var(--laiton); padding-left: 2rem; }
.services, .steps, .pro { padding: clamp(5rem, 10vw, 8rem) 0; border-top: 1px solid var(--line); }

.svc-grid { max-width: 1240px; margin: 3rem auto; padding: 0 1.5rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }
.svc-card { background: var(--nuit-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 3rem; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; }
.svc-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at top right, rgba(201, 162, 75, 0.1), transparent); }
.svc-card:hover { border-color: var(--laiton); transform: translateY(-8px); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.6); }
.svc-ico { font-size: 2.5rem; margin-bottom: 1.5rem; display: block; }
.svc-card h3 { font-size: 1.45rem; margin: 0; color: var(--pierre); }
.svc-card p { color: var(--muted); font-size: 1rem; line-height: 1.7; margin: 1.2rem 0; }
.svc-tarif { font-family: var(--mono); font-size: 0.85rem; color: var(--laiton-2); border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.2rem; margin-top: auto; }

.step-list { max-width: 1240px; margin: 3rem auto; padding: 0 1.5rem; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 3rem; counter-reset: s; }
.step-list li { position: relative; padding-top: 3.5rem; }
.step-list li::before { content: counter(s, decimal-leading-zero); position: absolute; top: 0; left: 0; font-family: var(--mono); font-size: 1rem; color: var(--laiton); border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 1rem; background: var(--nuit); }
.step-k { font-family: var(--display); font-weight: 700; font-size: 1.4rem; display: block; margin-bottom: 0.6rem; color: var(--pierre); }
.step-list p { color: var(--muted); font-size: 1rem; line-height: 1.7; }

.pro-inner { max-width: 1240px; margin: 0 auto; padding: 0 1.5rem; display: flex; gap: 6rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.pro-inner h2 { font-size: clamp(1.8rem, 4vw, 3.5rem); margin: 0; }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 6rem 1.5rem; text-align: center; color: var(--muted); font-size: 0.9rem; background: rgba(12, 36, 34, 0.7); }
.foot-brand { font-family: var(--display); font-weight: 700; font-size: 1.5rem; color: var(--pierre); margin-bottom: 0.8rem; }

/* ---------- Auth & UI Elements ---------- */
.auth { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem 1rem; background: radial-gradient(circle at 50% 50%, var(--doubs), var(--nuit)); }
.auth-card { background: linear-gradient(145deg, rgba(30,77,72,1), rgba(12,36,34,1)); border: 1px solid var(--line); border-radius: 32px; padding: clamp(2.5rem, 8vw, 4rem); width: min(480px, 100%); box-shadow: 0 40px 80px -20px rgba(0,0,0,0.9); }
.auth-form input, .auth-form textarea, .auth-form select { padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,0.03); color: var(--pierre); }

.mapwrap { padding: 6rem 1.5rem; max-width: 1240px; margin: 0 auto; }
.map { width: 100%; height: 480px; border-radius: 32px; border: 1px solid var(--line); box-shadow: 0 30px 70px rgba(0,0,0,0.6); }

.modal { position: fixed; inset: 0; z-index: 100; background: rgba(4, 12, 11, 0.98); backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-card { background: var(--nuit-2); border: 1px solid var(--laiton); border-radius: 32px; padding: 4rem; width: min(500px, 100%); box-shadow: 0 50px 100px rgba(0,0,0,0.8); }

.chat-toggle { position: fixed; bottom: 2.5rem; right: 2.5rem; z-index: 99; width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--laiton); background: var(--laiton); color: var(--ink); font-size: 1.8rem; cursor: pointer; box-shadow: 0 12px 30px rgba(0,0,0,0.5); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.chat-toggle:hover { transform: scale(1.1) rotate(8deg); box-shadow: 0 15px 40px rgba(201, 162, 75, 0.4); }

.chat-panel { position: fixed; bottom: 9rem; right: 2.5rem; z-index: 98; width: min(380px, calc(100vw - 4rem)); height: 600px; border-radius: 32px; overflow: hidden; box-shadow: 0 40px 80px rgba(0,0,0,0.9); border: 1px solid var(--line); }
.chat-head { background: linear-gradient(90deg, var(--doubs), var(--nuit)); padding: 1.5rem; border-bottom: 1px solid var(--line); }
.chat-log { flex: 1; overflow-y: auto; padding: 1.5rem; background: rgba(16, 43, 40, 0.8); }
.chat-msg { padding: 0.9rem 1.2rem; border-radius: 16px; max-width: 85%; font-size: 0.95rem; margin-bottom: 1rem; line-height: 1.6; }
.chat-msg.bot { background: var(--nuit-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.chat-msg.me { background: var(--laiton); color: var(--ink); font-weight: 600; border-bottom-right-radius: 4px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 5rem 1.5rem; }
  .lede { margin: 1.5rem auto 3rem; }
  .nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

:focus-visible { outline: 2px solid var(--laiton); outline-offset: 4px; border-radius: 8px; }