/* =====================================================================
   IMPACT Cardiovasculaire — Polygraphie ventilatoire / Apnée du sommeil
   Design system partagé.

   PALETTE — reconstituée d'après le site holter-cardiaque-paris.fr.
   Pour appliquer les codes couleurs EXACTS, il suffit de remplacer
   les valeurs ci-dessous : tout le site s'y adapte automatiquement.
   ===================================================================== */

:root{
  /* Couleurs */
  --ink:        #17130e;   /* texte principal, fonds sombres   */
  --ink-soft:   #4b443b;   /* texte secondaire                 */
  --ink-mute:   #8a8073;   /* légendes, méta                   */
  --paper:      #faf6ef;   /* fond de page (crème chaud)       */
  --surface:    #ffffff;   /* cartes claires                   */
  --surface-warm:#f1e8d9;  /* cartes crème                     */
  --line:       #e3d7c5;   /* filets fins                      */
  --line-soft:  #ece3d5;
  --accent:     #b8423a;   /* accent de marque (brique / cœur) */
  --accent-deep:#8f2f29;
  --accent-soft:#f0d9cf;
  --calm:       #2f6f73;   /* tonalité « repos / oxygène »     */
  --calm-soft:  #d8e6e5;

  /* Typographie */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Mesures */
  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-lg: 26px;
}

/* ------------------------------ Reset ------------------------------ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}

/* --------------------------- Typographie --------------------------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:500;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6.5vw,4.6rem)}
h2{font-size:clamp(2rem,4.4vw,3.1rem)}
h3{font-size:clamp(1.2rem,2.4vw,1.5rem)}
.em{font-style:italic;color:var(--accent)}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);font-weight:500;
}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-soft);max-width:60ch}

/* ----------------------------- Layout ------------------------------ */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
section{padding-block:clamp(64px,9vw,128px)}
.section-head{max-width:62ch;margin-bottom:clamp(36px,5vw,60px)}
.section-head .eyebrow{display:block;margin-bottom:18px}

/* ----------------------------- Buttons ----------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--body);font-weight:600;font-size:.96rem;
  padding:.92em 1.5em;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-light{border-color:rgba(255,255,255,.4);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}

/* --------------------------- Top utility --------------------------- */
.topbar{
  background:var(--ink);color:var(--paper);font-size:.82rem;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:9px;flex-wrap:wrap}
.topbar .status{display:flex;align-items:center;gap:9px;color:#d9cdbb}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:#5fbf7a;box-shadow:0 0 0 3px rgba(95,191,122,.22)}
.topbar .info{display:flex;align-items:center;gap:14px;color:#cdbfac}
.topbar .info a{color:#fff;font-weight:600}
.topbar .langs{display:flex;gap:8px}
.topbar .langs a{color:#9a8e7d;font-weight:600;padding:2px 6px;border-radius:6px}
.topbar .langs a.active,.topbar .langs a:hover{color:#fff;background:rgba(255,255,255,.12)}

/* ----------------------------- Header ------------------------------ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,246,239,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:14px}
.brand{font-family:var(--display);font-weight:600;font-size:1.18rem;letter-spacing:-.01em;line-height:1}
.brand b{color:var(--accent);font-weight:700}
.brand span{display:block;font-family:var(--body);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);font-weight:600;margin-top:4px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:.93rem;font-weight:500;color:var(--ink-soft);transition:color .2s}
.nav a:hover{color:var(--accent)}
.header-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;align-items:center;justify-content:center}
.menu-toggle span{position:relative;width:22px;height:2px;background:var(--ink);display:block;transition:.25s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:.25s}
.menu-toggle span::before{top:-7px}.menu-toggle span::after{top:7px}

/* ------------------------------ Hero ------------------------------- */
.hero{padding-top:clamp(48px,7vw,86px);padding-bottom:clamp(48px,7vw,90px);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,5vw,72px);align-items:center}
.hero .eyebrow{margin-bottom:22px}
.hero h1{margin-bottom:22px}
.hero h1 .light{color:var(--ink)}
.hero p.lead{margin-bottom:30px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:42px}
.stat-row{display:flex;gap:clamp(20px,3vw,42px);flex-wrap:wrap}
.stat .n{font-family:var(--display);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:600;line-height:1}
.stat .l{font-size:.82rem;color:var(--ink-mute);margin-top:6px;max-width:14ch}

/* Signature : carte d'enregistrement du sommeil */
.monitor{
  background:var(--ink);border-radius:var(--radius-lg);color:var(--paper);
  padding:26px;box-shadow:0 40px 80px -40px rgba(23,19,14,.6);position:relative;overflow:hidden;
}
.monitor::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 100% 0%,rgba(184,66,58,.28),transparent 60%);pointer-events:none}
.monitor .m-top{display:flex;justify-content:space-between;align-items:flex-start;position:relative;z-index:1}
.monitor .m-pat{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:#cdbfac}
.monitor .m-pat b{display:block;color:#fff;font-size:.92rem;letter-spacing:0;margin-top:3px;font-family:var(--body)}
.monitor .rec{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.72rem;color:#f0b6af}
.monitor .rec .led{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.wave{height:78px;margin:20px 0 22px;position:relative;z-index:1}
.wave svg{width:100%;height:100%}
.wave path{fill:none;stroke:#f0b6af;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 4s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.m-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;position:relative;z-index:1}
.m-cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:13px 14px}
.m-cell .v{font-family:var(--mono);font-size:1.5rem;font-weight:500;line-height:1}
.m-cell .v small{font-size:.7rem;color:#cdbfac;margin-left:2px}
.m-cell .k{font-size:.72rem;color:#cdbfac;margin-top:7px}
.m-cell.ok .v{color:#7fd39a}
.m-cell.warn .v{color:#f0b6af}
.m-foot{margin-top:16px;font-family:var(--mono);font-size:.7rem;color:#9a8e7d;display:flex;align-items:center;gap:8px;position:relative;z-index:1}
.m-foot .pill{background:rgba(255,255,255,.08);padding:3px 9px;border-radius:999px;color:#d9cdbb}

/* ---------------------------- Generic cards ------------------------ */
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card.warm{background:var(--surface-warm);border-color:var(--line-soft)}

/* feature split (examen) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,68px);align-items:center}
.split.rev .visual{order:-1}
.split .visual img{border-radius:var(--radius-lg);width:100%;object-fit:cover}
.feature-list{margin-top:26px;display:grid;gap:16px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .ico{flex:none;width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent-deep);display:grid;place-items:center;font-family:var(--display);font-weight:700}
.feature-list b{display:block;font-weight:600}
.feature-list span{color:var(--ink-soft);font-size:.95rem}

/* indications grid (numbered) */
.ind{counter-reset:i}
.ind .card{position:relative}
.ind .num{font-family:var(--mono);font-size:.8rem;color:var(--accent);letter-spacing:.1em}
.ind h3{margin:14px 0 10px}
.ind p{color:var(--ink-soft);font-size:.96rem}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;padding-top:26px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--display);font-size:2.4rem;font-weight:600;color:var(--accent);opacity:.9;display:block;line-height:.8;margin-bottom:16px}
.step h4{font-family:var(--display);font-size:1.12rem;margin-bottom:8px}
.step p{color:var(--ink-soft);font-size:.93rem}
.step:not(:last-child)::after{content:"";position:absolute;top:14px;right:-9px;width:18px;height:1px;background:var(--line)}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.doc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.doc img{aspect-ratio:4/5;width:100%;object-fit:cover}
.doc .body{padding:22px}
.doc .role{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.doc h3{margin:8px 0 10px}
.doc p{color:var(--ink-soft);font-size:.93rem}

/* cabinet */
.cabinet-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
.cab{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:280px}
.cab img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cab .cap{position:absolute;left:0;right:0;bottom:0;padding:22px;background:linear-gradient(transparent,rgba(23,19,14,.82));color:#fff}
.cab .cap b{display:block;font-family:var(--display);font-size:1.15rem}
.cab .cap span{font-size:.88rem;color:#e6d9c7}

/* address */
.addr{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,4vw,56px);align-items:stretch}
.addr .hours{display:grid;gap:2px;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}
.addr .hours .row{display:flex;justify-content:space-between;gap:18px;padding:9px 0;border-bottom:1px solid var(--line-soft)}
.addr .hours .row b{font-weight:600}
.addr .hours .row span{color:var(--ink-soft)}
.map{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:340px}
.map iframe{width:100%;height:100%;min-height:340px;border:0;display:block;filter:grayscale(.25) contrast(1.02)}

/* dark CTA band */
.band{background:var(--ink);color:var(--paper)}
.band .eyebrow{color:#f0b6af}
.band h2{color:var(--paper)}
.band p{color:#cdbfac;max-width:54ch;margin:18px 0 30px}
.band .actions{display:flex;gap:14px;flex-wrap:wrap}
.band .meta{margin-top:26px;font-size:.86rem;color:#9a8e7d}

/* zones (internal links) */
.zones{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.zones a{font-size:.88rem;font-weight:500;padding:.55em 1em;border:1px solid var(--line);border-radius:999px;background:var(--surface);transition:.2s}
.zones a:hover{border-color:var(--accent);color:var(--accent-deep)}

/* prose (legal + city) */
.prose{max-width:none}
.prose h2{margin:48px 0 16px;font-size:clamp(1.5rem,3vw,2rem)}
.prose h3{margin:30px 0 10px}
.prose p,.prose li{color:var(--ink-soft);margin-bottom:14px}
.prose ul{margin:0 0 18px 0;display:grid;gap:9px}
.prose ul li{position:relative;padding-left:22px}
.prose ul li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.prose strong{color:var(--ink)}
.prose a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}
.breadcrumb{font-size:.85rem;color:var(--ink-mute);margin-bottom:18px}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--accent)}

/* page header (interior) */
.page-hero{padding-block:clamp(54px,7vw,96px)}
.page-hero h1{margin:16px 0 18px;max-width:18ch}

/* ----------------------------- Footer ------------------------------ */
.site-footer{background:var(--ink);color:#cdbfac;padding-block:64px 30px}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.site-footer .brand{color:#fff}
.site-footer .brand span{color:#9a8e7d}
.site-footer .blurb{margin-top:16px;font-size:.9rem;max-width:34ch;color:#a99d8c}
.site-footer h5{font-family:var(--body);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:600}
.site-footer ul{display:grid;gap:10px}
.site-footer a{font-size:.92rem;color:#cdbfac;transition:color .2s}
.site-footer a:hover{color:#fff}
.site-footer .legal{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:#8a7e6d}

/* ----------------------------- Motion ------------------------------ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* --------------------------- Responsive ---------------------------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:42px}
  .monitor{max-width:440px}
  .split,.addr,.cabinet-grid{grid-template-columns:1fr;gap:30px}
  .split.rev .visual{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .team-grid,.g-3{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  body{font-size:16px}
  .nav,.header-cta .btn-secondary{display:none}
  .menu-toggle{display:flex}
  .nav.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;background:var(--paper);border-bottom:1px solid var(--line);padding:14px var(--gut)}
  .nav.open a{padding:10px 0;width:100%;border-bottom:1px solid var(--line-soft)}
  .g-2,.g-3,.team-grid,.steps{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .topbar .info .addr-mini{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .wave path{stroke-dashoffset:0}
}