/* ============================================================
   QHDTV — Styles globaux partagés
   Design System : Blanc / Bleu Premium
   ============================================================ */

/* ---- Reset & Variables ---- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#FFFFFF;
  --bg2:#F4F8FF;
  --bg3:#E8F0FF;
  --blue:#0066FF;
  --blue-dark:#0044CC;
  --blue-light:#E8F0FF;
  --text:#1a1a1a;
  --text2:#555555;
  --border:rgba(0,102,255,0.15);
  --grad:linear-gradient(135deg,#0066FF,#0044CC);
  --radius:16px;
  --shadow:0 4px 24px rgba(0,102,255,0.12);
  --max-w:1100px;
}

html{scroll-behavior:smooth}
body{
  font-family:'Poppins',sans-serif;
  font-size:15px;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
}

/* ---- Typographie ---- */
h1,h2{font-family:'Poppins',sans-serif;line-height:1.2}
h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900}
h2{font-size:clamp(1.3rem,3vw,1.9rem);font-weight:800}

/* ---- Header fixe ---- */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:14px 0;
  transition:all .3s;
}
header.scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 20px rgba(0,102,255,.08);
}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
header .container{display:flex;align-items:center;justify-content:space-between}

/* ---- Logo ---- */
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--grad);color:white;font-weight:900;font-size:1rem;flex-shrink:0}
.logo-text{font-size:1.05rem;font-weight:800;color:var(--text);letter-spacing:.3px}
.logo-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ---- Navigation ---- */
nav{display:flex;align-items:center;gap:24px}
nav a{color:var(--text2);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s}
nav a:hover,nav a.active{color:var(--blue)}
.btn-nav{
  background:var(--grad);color:white!important;
  padding:10px 22px;border-radius:50px;
  font-weight:700!important;font-size:.85rem!important;
  box-shadow:0 4px 16px rgba(0,102,255,.25);
  transition:all .3s!important;
}
.btn-nav:hover{box-shadow:0 6px 28px rgba(0,102,255,.4)!important;transform:translateY(-2px)}

/* ---- Hamburger ---- */
#hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:4px;
}
#hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
#hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#hamburger.open span:nth-child(2){opacity:0}
#hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- Boutons communs ---- */
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--grad);color:white;
  padding:14px 32px;border-radius:50px;
  font-weight:700;font-size:.95rem;
  text-decoration:none;
  box-shadow:0 4px 20px rgba(0,102,255,.3);
  transition:all .3s;
  border:none;cursor:pointer;
}
.btn-primary:hover{box-shadow:0 6px 32px rgba(0,102,255,.45);transform:translateY(-2px)}

.btn-wa{
  display:inline-flex;align-items:center;gap:10px;
  background:#1A7A3C;color:white;
  padding:14px 32px;border-radius:50px;
  font-weight:700;font-size:.95rem;
  text-decoration:none;
  box-shadow:0 4px 20px rgba(37,211,102,.3);
  transition:all .3s;
}
.btn-wa:hover{background:#145F30;box-shadow:0 6px 30px rgba(26,122,60,.5);transform:translateY(-2px)}

.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  border:2px solid var(--blue);color:var(--blue);
  padding:12px 28px;border-radius:50px;
  font-weight:600;font-size:.9rem;
  text-decoration:none;background:transparent;
  transition:all .3s;
}
.btn-outline:hover{background:var(--blue);color:white}

/* ---- Sections ---- */
section{padding:80px 0}
.section-alt{background:var(--bg2)}
.section-label{
  display:inline-block;
  background:var(--blue-light);color:#0044CC;
  font-size:.75rem;font-weight:700;
  text-transform:uppercase;letter-spacing:1px;
  padding:5px 14px;border-radius:50px;
  margin-bottom:12px;
}
.section-head{text-align:center;margin-bottom:48px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:.95rem;color:var(--text2);max-width:560px;margin:0 auto}

/* ---- Cartes ---- */
.card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--blue-light);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;color:var(--blue);
  margin-bottom:18px;
}

/* ---- Grille 3 colonnes ---- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ---- Badges ---- */
.badge{
  display:inline-block;font-size:.72rem;font-weight:700;
  padding:3px 10px;border-radius:50px;
}
.badge-blue{background:var(--blue-light);color:var(--blue)}
.badge-green{background:rgba(37,211,102,.12);color:#1a9e50}
.badge-popular{background:var(--grad);color:white}

/* ---- Tag ---- */
.tag{
  display:inline-block;font-size:.72rem;font-weight:600;
  padding:3px 10px;border-radius:6px;
  background:var(--blue-light);color:var(--blue);
  margin:2px;
}

/* ---- Gradient text ---- */
.gradient-text{
  background:var(--grad);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ---- Floating WhatsApp ---- */
.floating-wa{
  position:fixed;bottom:28px;right:28px;z-index:999;
  width:58px;height:58px;background:#25D366;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;color:white;text-decoration:none;
  box-shadow:0 4px 20px rgba(37,211,102,.4);
  transition:all .3s;
  animation:wa-pulse 2.5s ease-in-out infinite;
}
.floating-wa:hover{transform:scale(1.1)}
@keyframes wa-pulse{
  0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.4)}
  50%{box-shadow:0 4px 40px rgba(37,211,102,.7),0 0 0 12px rgba(37,211,102,.1)}
}

/* ---- Scroll to top ---- */
.scroll-top{
  position:fixed;bottom:28px;left:28px;z-index:999;
  width:44px;height:44px;
  background:rgba(0,102,255,.1);border:1px solid rgba(0,102,255,.3);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--blue);font-size:1rem;
  opacity:0;visibility:hidden;transition:all .3s;
}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{background:var(--blue);color:white}

/* ---- Footer ---- */
footer{background:#0044CC;color:white;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:.85rem;color:rgba(255,255,255,.7);margin:14px 0;line-height:1.75}
.footer-wa{
  display:inline-flex;align-items:center;gap:8px;
  color:#ffffff;font-weight:600;font-size:.9rem;
  text-decoration:none;transition:opacity .2s;
}
.footer-wa:hover{opacity:.8}
.footer-col-title{
  font-size:.78rem;font-weight:700;color:rgba(255,255,255,.85);
  text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px;
}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{font-size:.84rem;color:rgba(255,255,255,.75);text-decoration:none;transition:color .2s}
.footer-col ul a:hover{color:white}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;text-align:center}
.footer-keywords{font-size:.75rem;color:rgba(255,255,255,.72);margin-bottom:8px}
.footer-copy{font-size:.72rem;color:rgba(255,255,255,.72)}

/* ---- Popup ---- */
.popup-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:2000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all .3s;padding:20px;
}
.popup-overlay.active{opacity:1;visibility:visible}
.popup-box{
  background:white;border-radius:24px;padding:40px;
  max-width:460px;width:100%;text-align:center;
  position:relative;
  animation:popup-in .4s ease;
  box-shadow:0 20px 60px rgba(0,102,255,.2);
}
@keyframes popup-in{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}
.popup-close{
  position:absolute;top:16px;right:18px;
  background:none;border:none;cursor:pointer;
  font-size:1.2rem;color:var(--text2);transition:color .2s;
}
.popup-close:hover{color:var(--text)}
.popup-badge{
  display:inline-block;background:var(--blue-light);color:var(--blue);
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;
  padding:5px 14px;border-radius:50px;margin-bottom:14px;
}
.popup-box p{font-size:.9rem;color:var(--text2);margin:10px 0 24px}

/* ---- Scrollbar ---- */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--blue);border-radius:3px}

/* ---- FAQ Accordion ---- */
.faq-item{
  border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  text-align:left;font-family:'Poppins',sans-serif;
  font-size:.92rem;font-weight:600;color:var(--text);
  transition:background .2s;
  gap:12px;
}
.faq-question:hover{background:var(--bg2)}
.faq-question.open{background:var(--blue-light);color:var(--blue)}
.faq-icon{font-size:.75rem;flex-shrink:0;transition:transform .3s;color:var(--blue)}
.faq-question.open .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  padding:0 22px;
}
.faq-answer.open{max-height:200px}
.faq-answer p{font-size:.88rem;color:var(--text2);line-height:1.75;padding:14px 0}

/* ---- Info boxes ---- */
.info-box{
  border-radius:12px;padding:16px 20px;margin:20px 0;
  display:flex;gap:12px;align-items:flex-start;font-size:.87rem;line-height:1.7;
}
.info-box.tip{background:rgba(0,102,255,.06);border:1px solid rgba(0,102,255,.2)}
.info-box.success{background:rgba(37,211,102,.06);border:1px solid rgba(37,211,102,.25)}
.info-box.warning{background:rgba(255,165,0,.06);border:1px solid rgba(255,165,0,.25)}
.info-box i{flex-shrink:0;margin-top:3px;font-size:1rem}
.info-box.tip i{color:var(--blue)}
.info-box.success i{color:#25D366}
.info-box.warning i{color:orange}
.info-box p{color:var(--text2);margin:0}

/* ---- Responsive ---- */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  nav{
    display:none;position:fixed;top:0;left:0;right:0;bottom:0;
    background:rgba(255,255,255,.98);flex-direction:column;
    align-items:center;justify-content:center;gap:32px;z-index:998;
  }
  nav.open{display:flex}
  nav a{font-size:1.1rem;color:var(--text)}
  #hamburger{display:flex;z-index:999}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:56px 0}
}

/* font-display:swap pour Font Awesome — évite le texte invisible pendant le chargement */
@font-face{font-family:'Font Awesome 6 Free';font-style:normal;font-weight:900;font-display:swap;src:url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/webfonts/fa-solid-900.woff2') format('woff2')}
@font-face{font-family:'Font Awesome 6 Free';font-style:normal;font-weight:400;font-display:swap;src:url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/webfonts/fa-regular-400.woff2') format('woff2')}
@font-face{font-family:'Font Awesome 6 Brands';font-style:normal;font-weight:400;font-display:swap;src:url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/webfonts/fa-brands-400.woff2') format('woff2')}