*{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#06172d;
  --navy2:#0a2442;
  --blue:#087df5;
  --blue2:#24a6ff;
  --text:#0d1b32;
  --muted:#5f6f84;
  --line:#dfe7f1;
  --soft:#f4f8fc;
  --white:#fff;
  --max:1200px
}
html{scroll-behavior:smooth}
body{
  font-family:Inter,"Segoe UI",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.55
}
a{text-decoration:none;color:inherit}
.container{width:min(92%,var(--max));margin:auto}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:linear-gradient(90deg,#06162a,#08203a);
  box-shadow:0 5px 20px rgba(0,0,0,.18)
}
.nav{
  height:84px;
  display:flex;
  align-items:center;
  gap:28px
}
.brand{display:flex;align-items:center;margin-right:auto}
.brand img{
  width:250px;
  max-height:64px;
  object-fit:contain;
  object-position:left center
}
.nav-links{display:flex;align-items:center;gap:12px}
.nav-links a{
  color:#eef6ff;
  font-size:.9rem;
  font-weight:650;
  padding:11px 14px;
  border-radius:8px
}
.nav-links a:hover,.nav-links .active{background:#0d58a7}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 20px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--blue),var(--blue2));
  color:white;
  border:0;
  font-weight:750;
  cursor:pointer;
  box-shadow:0 8px 20px rgba(8,125,245,.2)
}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-nav{white-space:nowrap}
.btn-outline{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25)}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:1.8rem}

.hero{
  min-height:540px;
  position:relative;
  display:flex;
  align-items:center;
  background:
    radial-gradient(circle at 78% 30%,rgba(0,139,255,.20),transparent 27%),
    linear-gradient(120deg,#071729 0%,#0a2644 55%,#0c3156 100%);
  overflow:hidden
}
.hero:after{
  content:"";
  position:absolute;
  inset:0;
  opacity:.12;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:42px 42px
}
.hero-content{position:relative;z-index:2;color:white}
.hero-kicker,.eyebrow{
  color:var(--blue2);
  font-size:.78rem;
  letter-spacing:.18em;
  font-weight:850;
  margin-bottom:12px
}
.hero h1{
  font-size:clamp(3.2rem,7vw,6rem);
  line-height:.96;
  letter-spacing:-.05em;
  margin-bottom:24px
}
.hero h1 span{color:var(--blue2)}
.hero p:not(.hero-kicker){max-width:650px;color:#cad7e8;font-size:1.15rem}
.hero-actions{display:flex;gap:12px;margin-top:30px}

.section{padding:90px 0}
.section-heading{text-align:center;max-width:720px;margin:0 auto 45px}
.section-heading h2,.about-section h2,.contact-section h2{
  font-size:clamp(2rem,4vw,3rem);
  letter-spacing:-.035em;
  line-height:1.08;
  margin-bottom:12px
}
.section-heading>p:last-child,.about-section p,.contact-section>div p{color:var(--muted)}

.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px
}
.service-card{
  padding:28px;
  border:1px solid var(--line);
  border-radius:15px;
  box-shadow:0 8px 25px rgba(10,34,66,.06)
}
.service-icon{
  width:54px;height:54px;
  display:grid;place-items:center;
  background:#eaf5ff;
  color:var(--blue);
  border-radius:12px;
  font-size:1.5rem;
  margin-bottom:18px
}
.service-card h3{margin-bottom:7px}
.service-card p{color:var(--muted);font-size:.94rem}

.tarifs-section{background:#f7f9fc}
.tarifs-banner{
  padding:70px 0 58px;
  color:#fff;
  background:
    radial-gradient(circle at 80% 50%,rgba(27,148,255,.18),transparent 25%),
    linear-gradient(110deg,#06172d,#0a294b)
}
.tarifs-banner h2{
  font-size:clamp(2.8rem,6vw,4.7rem);
  line-height:1;
  letter-spacing:-.045em;
  margin-bottom:12px
}
.tarifs-banner p:last-child{color:#c9d7e7;font-size:1.12rem}
.eyebrow.light{color:#50b7ff}
.tarifs-content{padding:34px 0 54px}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px
}
.price-card,.quote-card{
  background:white;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 7px 18px rgba(12,35,64,.07);
  padding:22px
}
.price-card.featured{
  border-color:#67baff;
  box-shadow:0 8px 26px rgba(13,126,245,.12)
}
.card-title{
  display:flex;
  gap:17px;
  min-height:150px;
  border-bottom:1px solid var(--line);
  padding-bottom:17px;
  margin-bottom:12px
}
.price-icon{
  flex:0 0 58px;
  width:58px;height:58px;
  display:grid;place-items:center;
  background:#edf6ff;
  color:#087df5;
  border-radius:12px;
  font-size:1.45rem;
  font-weight:850
}
.card-title h3{font-size:1.22rem;line-height:1.15;margin:2px 0 9px}
.card-title p{font-size:.88rem;color:var(--muted)}
.price-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:15px;
  padding:11px 10px;
  border-radius:7px;
  background:#f3f6fa;
  margin-top:8px;
  font-size:.9rem
}
.price-row strong{color:#0577e8;font-size:1rem;white-space:nowrap}
.wide-card{
  grid-column:span 2;
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:20px
}
.wide-card .card-title{min-height:0;border:0;margin:0;padding:0}
.wide-prices{align-self:center}
.quote-card{
  display:flex;
  align-items:center;
  gap:18px;
  border-color:#90c9ff;
  background:#eaf5ff
}
.quote-icon{font-size:2.7rem}
.quote-card h3{color:#0874d8;margin-bottom:5px}
.quote-card p{font-size:.9rem;color:#52667c}
.quote-card a{display:inline-block;margin-top:9px;color:#0874d8;font-weight:800}

.benefits{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:26px;
  border:1px solid var(--line);
  border-radius:14px;
  background:white;
  overflow:hidden;
  box-shadow:0 7px 18px rgba(12,35,64,.05)
}
.benefits>div{
  padding:20px;
  border-right:1px solid var(--line);
  display:grid;
  grid-template-columns:42px 1fr;
  column-gap:10px
}
.benefits>div:last-child{border-right:0}
.benefits span{grid-row:span 2;font-size:1.8rem}
.benefits strong{font-size:.9rem}
.benefits p{font-size:.78rem;color:var(--muted)}

.about-section{background:white}
.about-grid,.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:65px;
  align-items:start
}
.about-section p{margin-top:15px}
.about-card{
  padding:30px;
  border-radius:15px;
  background:#f4f8fc;
  border:1px solid var(--line)
}
.about-card h3{margin-bottom:16px}

.contact-section{
  padding:80px 0;
  color:#fff;
  background:linear-gradient(120deg,#06172d,#0b2c50)
}
.contact-section h2{color:#fff}
.contact-section .contact-grid>div>p{color:#cad7e8}
.contact-info{margin-top:26px}
.contact-info p{color:#cad7e8;margin-top:8px}

.contact-form{
  background:#fff;
  color:var(--text);
  padding:28px;
  border-radius:15px
}
.contact-form label{display:block;font-size:.9rem;font-weight:700;margin-bottom:15px}
.contact-form input,.contact-form textarea{
  display:block;
  width:100%;
  margin-top:6px;
  padding:12px 13px;
  border:1px solid #d7e0ea;
  border-radius:8px;
  font:inherit
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:#1b8cf8;box-shadow:0 0 0 3px rgba(27,140,248,.10)
}

footer{padding:28px 0;background:#04101f;color:#9dafc2}
.footer{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer img{width:210px;max-height:55px;object-fit:contain}

@media(max-width:1050px){
  .btn-nav{display:none}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .wide-card{grid-column:span 2}
  .benefits{grid-template-columns:repeat(2,1fr)}
  .benefits>div:nth-child(2){border-right:0}
  .benefits>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:850px){
  .menu-toggle{display:block}
  .nav-links{
    display:none;
    position:absolute;
    top:84px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    padding:15px 4%;
    background:#06172d
  }
  .nav-links.open{display:flex}
  .brand img{width:200px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:650px){
  .hero{min-height:480px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .service-grid,.pricing-grid{grid-template-columns:1fr}
  .wide-card{
    grid-column:span 1;
    grid-template-columns:1fr
  }
  .card-title{min-height:0}
  .benefits{grid-template-columns:1fr}
  .benefits>div{border-right:0;border-bottom:1px solid var(--line)}
  .benefits>div:last-child{border-bottom:0}
  .price-row{align-items:flex-start;flex-direction:column;gap:2px}
  .price-row strong{white-space:normal}
  .footer{flex-direction:column;text-align:center}
}


/* Logo transparent - meilleure lisibilité sur fond sombre */
.brand img {
  width: 265px;
  max-height: 68px;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,.25));
}

.footer img {
  width: 230px;
  max-height: 62px;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,.25));
}

@media(max-width:850px){
  .brand img {
    width: 215px;
  }
}

/* Navigation : section active automatiquement */
.nav-links a {
  transition: background-color .2s ease, color .2s ease;
}

/* Formulaire de contact PHP */
.hp-field{
  position:absolute !important;
  left:-9999px !important;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-note{
  margin-top:12px;
  font-size:.78rem;
  color:#6b7b8e;
}