/* ============================================
   Cabinet Dentaire Dr Zerdani Nadia — style.css
   Identité : ivoire / sauge / corail, trait "sourire"
   ============================================ */

*{margin:0;padding:0;box-sizing:border-box}

:root{
  --ivory:#FAF7F1;
  --ivory-deep:#F1ECE1;
  --ink:#1B2A22;
  --ink-soft:#4A5A50;
  --sage:#6E9277;
  --sage-deep:#4B6B54;
  --coral:#E77F63;
  --coral-deep:#D4674C;
  --gold:#C9A227;
  --paper:rgba(255,255,255,.62);
  --paper-strong:rgba(255,255,255,.85);
  --line:rgba(27,42,34,.12);
  --shadow-soft:0 12px 40px rgba(27,42,34,.08);
  --shadow-lift:0 24px 60px rgba(27,42,34,.16);
  --radius:22px;
  --ease:cubic-bezier(.22,1,.36,1);
}

html{scroll-behavior:smooth}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

body{
  font-family:'Plus Jakarta Sans',sans-serif;
  color:var(--ink);
  background:var(--ivory);
  overflow-x:hidden;
  position:relative;
}

h1,h2,h3{
  font-family:'Fraunces',serif;
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.08;
}

p{color:var(--ink-soft);line-height:1.7}

a{color:inherit}

::selection{background:var(--sage);color:var(--ivory)}

:focus-visible{outline:2px solid var(--sage-deep);outline-offset:3px}

/* ---------- fond animé procédural (remplace "fond IA") ---------- */
.ambient-bg{
  position:fixed;inset:0;z-index:-2;
  background:var(--ivory);
  overflow:hidden;
}
.ambient-bg::before,
.ambient-bg::after{
  content:"";
  position:absolute;
  width:70vw;height:70vw;
  border-radius:50%;
  filter:blur(90px);
  opacity:.35;
  animation:drift 26s var(--ease) infinite alternate;
}
.ambient-bg::before{
  top:-20%;left:-15%;
  background:radial-gradient(circle at 30% 30%,var(--sage) 0%,transparent 70%);
}
.ambient-bg::after{
  bottom:-25%;right:-15%;
  background:radial-gradient(circle at 60% 60%,var(--coral) 0%,transparent 70%);
  animation-delay:-8s;
}
@keyframes drift{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(4%,6%) scale(1.08)}
  100%{transform:translate(-3%,-2%) scale(.98)}
}
.grain{
  position:fixed;inset:0;z-index:-1;
  opacity:.05;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- trait "sourire" — signature ---------- */
.smile-mark{display:block;stroke:var(--sage-deep);stroke-width:3;fill:none;stroke-linecap:round}
.smile-mark path{
  stroke-dasharray:340;
  stroke-dashoffset:340;
  animation:draw 1.6s var(--ease) forwards;
}
@keyframes draw{to{stroke-dashoffset:0}}

.divider{display:flex;justify-content:center;margin:0 0 46px}
.divider svg{width:120px;height:28px}

/* ---------- navbar ---------- */
.navbar{
  position:fixed;top:0;width:100%;padding:20px 7%;
  display:flex;justify-content:space-between;align-items:center;
  background:var(--paper-strong);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);z-index:999;
  transition:padding .3s var(--ease);
}
.logo{
  display:flex;align-items:center;
}
.logo-img{
  height:56px;width:auto;display:block;
  transition:transform .3s var(--ease);
}
.logo:hover .logo-img{transform:scale(1.04)}
.menu{display:flex;gap:34px;list-style:none}
.menu a{
  text-decoration:none;color:var(--ink-soft);font-size:.95rem;font-weight:500;
  position:relative;padding-bottom:4px;transition:color .3s;
}
.menu a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--coral);transition:width .35s var(--ease);
}
.menu a:hover{color:var(--ink)}
.menu a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;
  gap:40px;padding:140px 7% 80px;
}
.hero-content{max-width:560px}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sage-deep);margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--sage-deep)}
.hero h1{font-size:clamp(2.4rem,4.2vw,3.6rem);color:var(--ink)}
.hero h1 em{font-style:italic;color:var(--sage-deep)}
.hero p{margin:24px 0 34px;font-size:1.08rem;max-width:460px}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 32px;border-radius:50px;border:none;cursor:pointer;
  background:var(--ink);color:var(--ivory);text-decoration:none;
  font-weight:600;font-size:.95rem;
  box-shadow:var(--shadow-soft);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .4s;
}
.btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);background:var(--sage-deep)}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none;
}
.btn-ghost:hover{background:var(--paper);color:var(--ink);box-shadow:none}

.hero-visual{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.hero-orb{
  position:absolute;inset:6%;border-radius:50%;
  background:linear-gradient(160deg,var(--sage) 0%,var(--ivory-deep) 60%,var(--coral) 130%);
  opacity:.9;
  animation:float 7s ease-in-out infinite;
}
.hero-visual svg.smile-mark{position:absolute;width:78%;filter:drop-shadow(0 20px 40px rgba(27,42,34,.18))}
.tooth-canvas{
  position:absolute;width:82%;height:82%;left:50%;top:50%;
  transform:translate(-50%,-50%);cursor:grab;touch-action:none;
}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-14px) scale(1.02)}}

.hero-stats{
  position:absolute;bottom:8%;left:2%;
  background:var(--paper-strong);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:16px;
  padding:14px 20px;box-shadow:var(--shadow-soft);
  font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--ink-soft);
}
.hero-stats strong{display:block;font-family:'Fraunces',serif;font-size:1.5rem;color:var(--ink);font-weight:600}

/* ---------- sections communes ---------- */
section{padding:110px 7%;position:relative;scroll-margin-top:110px}
.hero{scroll-margin-top:0}
.section-head{max-width:640px;margin:0 auto 60px;text-align:center}
.section-head .eyebrow{justify-content:center}
.section-head .eyebrow::before{display:none}
.section-head h2{font-size:clamp(1.9rem,3vw,2.6rem);margin-top:10px}
.section-head p{margin-top:14px}

/* ---------- services ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.card{
  background:var(--paper);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 32px;box-shadow:var(--shadow-soft);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s;
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lift);border-color:var(--sage)}
.card .icon{width:44px;height:44px;stroke:var(--sage-deep);fill:none;stroke-width:1.6;margin-bottom:20px}
.card h3{font-size:1.15rem;margin-bottom:10px;color:var(--ink)}
.card p{font-size:.92rem}

/* ---------- illustration du cabinet ---------- */
.cabinet-illu{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.illu-visual{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lift);
  background:var(--paper);backdrop-filter:blur(16px);border:1px solid var(--line);
  padding:24px;
}
.illu-visual img{width:100%;height:auto;display:block}
.illu-text .eyebrow{margin-bottom:14px}
.illu-text h2{font-size:clamp(1.9rem,3vw,2.5rem);margin-bottom:20px}
.cabinet-list{list-style:none;margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cabinet-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--ink-soft)}
.cabinet-list svg{width:18px;height:18px;stroke:var(--sage-deep);flex-shrink:0;margin-top:2px}

/* ---------- rdv / formulaire ---------- */
.rdv-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;
  background:var(--paper-strong);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);
  padding:56px;box-shadow:var(--shadow-lift);
  max-width:1000px;margin:0 auto;
}
.rdv-info h2{font-size:2rem;margin-bottom:16px}
.rdv-info-list{list-style:none;margin-top:30px;display:flex;flex-direction:column;gap:20px}
.rdv-info-list li{display:flex;gap:14px;align-items:flex-start}
.rdv-info-list svg{width:20px;height:20px;stroke:var(--coral-deep);flex-shrink:0;margin-top:2px}
.rdv-info-list strong{display:block;font-size:.9rem;color:var(--ink)}
.rdv-info-list span{font-size:.85rem;color:var(--ink-soft)}

form{display:flex;flex-direction:column;gap:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{position:relative}
.field label{
  position:absolute;left:18px;top:16px;font-size:.95rem;color:var(--ink-soft);
  pointer-events:none;transition:.25s var(--ease);background:transparent;
}
.field input,.field textarea{
  width:100%;padding:18px;border-radius:14px;border:1px solid var(--line);
  background:var(--ivory);color:var(--ink);font-family:inherit;font-size:.95rem;
  transition:border-color .3s,box-shadow .3s;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{
  border-color:var(--sage);box-shadow:0 0 0 4px rgba(110,146,119,.15);outline:none;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label{
  top:-9px;left:14px;font-size:.72rem;background:var(--ivory);padding:0 6px;color:var(--sage-deep);
}
form .btn{justify-content:center;margin-top:6px}
form .btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
#msg{margin-top:14px;font-size:.9rem;min-height:1.2em}
#msg.ok{color:var(--sage-deep)}
#msg.err{color:var(--coral-deep)}

/* ---------- carte ---------- */
.map{padding-top:0}
.map iframe{width:100%;height:420px;border:0;border-radius:var(--radius);box-shadow:var(--shadow-soft);filter:grayscale(.15) contrast(1.05)}

/* ---------- contact / footer ---------- */
.contact{text-align:center}
.contact-links{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-top:26px}
.contact-links a{
  display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);
  font-weight:600;padding:14px 22px;border:1px solid var(--line);border-radius:50px;
  transition:.35s var(--ease);
}
.contact-links a:hover{background:var(--ink);color:var(--ivory);transform:translateY(-3px)}
.contact-links svg{width:18px;height:18px;stroke:currentColor;fill:none}

footer{
  text-align:center;padding:36px;background:var(--ink);color:rgba(250,247,241,.6);
  font-size:.85rem;
}

/* ---------- chatbot ---------- */
.chatbot{
  position:fixed;right:22px;bottom:22px;width:320px;z-index:998;
  background:var(--paper-strong);backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-lift);
  transform:translateY(calc(100% + 22px));opacity:0;pointer-events:none;
  transition:transform .45s var(--ease),opacity .45s var(--ease);
}
.chatbot.open{transform:translateY(0);opacity:1;pointer-events:auto}
.chat-toggle{
  position:fixed;right:22px;bottom:22px;z-index:999;
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  background:var(--ink);color:var(--ivory);box-shadow:var(--shadow-lift);
  display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease);
}
.chat-toggle:hover{transform:scale(1.06)}
.chat-toggle svg{width:24px;height:24px}
.chat-header{
  background:var(--ink);color:var(--ivory);padding:16px 18px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;font-size:.92rem;
}
.chat-header button{background:none;border:none;color:var(--ivory);cursor:pointer;font-size:1.1rem;opacity:.7}
.chat-body{height:260px;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.chat-body p{
  font-size:.86rem;line-height:1.5;padding:10px 14px;border-radius:14px;max-width:85%;color:var(--ink);
}
.chat-body p.user{align-self:flex-end;background:var(--sage);color:var(--ivory);border-bottom-right-radius:4px}
.chat-body p.bot{align-self:flex-start;background:var(--ivory-deep);border-bottom-left-radius:4px}
.chat-input{display:flex;border-top:1px solid var(--line)}
.chat-input input{
  flex:1;border:none;padding:14px 16px;background:transparent;color:var(--ink);font-family:inherit;font-size:.9rem;
}
.chat-input input:focus{outline:none}
.chat-input button{border:none;background:none;padding:0 16px;cursor:pointer;color:var(--sage-deep)}

/* ---------- reveal on scroll ---------- */
/* opacité 0 posée uniquement si le JS a bien pu s'exécuter (voir script.js : body.js-ready) */
body.js-ready .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
body.js-ready .reveal.in-view{opacity:1;transform:translateY(0)}
body.js-ready .card{opacity:0;transform:translateY(28px);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s,opacity .5s var(--ease)}
body.js-ready .card.in-view{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:130px}
  .hero-content{margin:0 auto}
  .hero-actions{justify-content:center}
  .hero-visual{margin-top:40px;max-width:340px;margin-inline:auto}
  .hero-stats{left:50%;transform:translateX(-50%)}
  .rdv-wrap{grid-template-columns:1fr;padding:36px}
  .cabinet-illu{grid-template-columns:1fr}
}
@media(max-width:760px){
  .menu{
    position:fixed;top:96px;left:0;right:0;background:var(--paper-strong);backdrop-filter:blur(14px);
    flex-direction:column;padding:24px 7%;gap:20px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);opacity:0;transition:.35s var(--ease);
  }
  .menu.open{transform:translateY(0);opacity:1}
  .nav-toggle{display:block}
  .field-row{grid-template-columns:1fr}
  section{padding:80px 6%}
  .chatbot{width:calc(100% - 44px)}
}