/* ============================================================
   EAUDIT — Charte graphique & styles globaux
   Palette : Bleu profond #0A2A43 / Cyan #0FA3C8 / Fond #F4F8FB
   Typo : Barlow (titres) + Inter (texte) — Google Fonts
   ============================================================ */

:root{
  --navy:#0A2A43;          /* Bleu profond — couleur principale */
  --navy-2:#123F63;        /* Bleu secondaire */
  --cyan:#0FA3C8;          /* Cyan eau — accent / CTA */
  --cyan-dark:#0B84A3;     /* Cyan hover */
  --cyan-pale:#E3F4F9;     /* Fond d'accent léger */
  --bg:#F4F8FB;            /* Fond général */
  --white:#FFFFFF;
  --text:#1C2B36;          /* Texte courant */
  --text-soft:#5A6B78;     /* Texte secondaire */
  --border:#DCE6EE;
  --radius:10px;
  --shadow:0 2px 12px rgba(10,42,67,.08);
  --maxw:1100px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);
}
h1,h2,h3,h4{font-family:'Barlow',system-ui,sans-serif;color:var(--navy);line-height:1.2;font-weight:700}
h1{font-size:2.4rem}
h2{font-size:1.7rem;margin-bottom:.8rem}
h3{font-size:1.2rem;margin-bottom:.5rem}
p{margin-bottom:1rem}
a{color:var(--cyan-dark)}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header / Navigation ---------- */
header{
  position:sticky;top:0;z-index:50;background:var(--white);
  border-bottom:1px solid var(--border);box-shadow:0 1px 6px rgba(10,42,67,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:40px}
.brand-name{font-family:'Barlow';font-weight:700;font-size:1.45rem;letter-spacing:.5px}
.brand-name .eau{color:var(--cyan)}
.brand-name .dit{color:var(--navy)}
nav ul{display:flex;gap:6px;list-style:none;align-items:center}
nav a{
  text-decoration:none;color:var(--navy);font-weight:500;font-size:.95rem;
  padding:8px 12px;border-radius:6px;transition:background .15s
}
nav a:hover{background:var(--cyan-pale)}
nav a.active{color:var(--cyan-dark);font-weight:600}
nav a.cta{background:var(--cyan);color:#fff;font-weight:600}
nav a.cta:hover{background:var(--cyan-dark)}
#nav-toggle{display:none;background:none;border:none;font-size:1.7rem;color:var(--navy);cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#155a86 100%);
  color:#fff;padding:80px 0 70px;position:relative;overflow:hidden
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(15,163,200,.28),transparent 65%);border-radius:50%
}
.hero h1{color:#fff;max-width:760px;margin-bottom:1rem}
.hero .lead{font-size:1.2rem;color:#CFE6F2;max-width:720px;margin-bottom:1.8rem}
.hero .accent{color:#4CC8E6}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:1.8rem}
.badge{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.25);
  padding:6px 14px;border-radius:30px;font-size:.85rem;color:#E6F3F9
}
.btn{
  display:inline-block;padding:13px 26px;border-radius:8px;text-decoration:none;
  font-weight:600;font-size:1rem;transition:all .15s
}
.btn-primary{background:var(--cyan);color:#fff}
.btn-primary:hover{background:var(--cyan-dark)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;margin-left:10px}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border:1.5px solid var(--cyan);color:var(--cyan-dark)}
.btn-outline:hover{background:var(--cyan-pale)}

/* ---------- Bandeau lancement ---------- */
.launch-banner{
  background:var(--cyan-pale);border-bottom:1px solid var(--border);
  padding:12px 0;text-align:center;font-size:.95rem;color:var(--navy)
}
.launch-banner strong{color:var(--cyan-dark)}

/* ---------- Sections ---------- */
section{padding:60px 0}
section.alt{background:var(--white)}
.section-head{max-width:760px;margin-bottom:2.2rem}
.kicker{
  text-transform:uppercase;letter-spacing:2px;font-size:.78rem;font-weight:700;
  color:var(--cyan-dark);margin-bottom:.4rem
}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)
}
.card .icon{font-size:1.8rem;margin-bottom:.6rem;display:block}
.card h3 a{color:var(--navy);text-decoration:none}
.card h3 a:hover{color:var(--cyan-dark)}
.card ul{margin:0 0 .8rem 1.1rem}
.card li{margin-bottom:.35rem}
.card .more{font-weight:600;text-decoration:none}

/* ---------- Listes à puces custom ---------- */
.checklist{list-style:none;margin:0 0 1rem}
.checklist li{padding-left:28px;position:relative;margin-bottom:.55rem}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:700}

/* ---------- Tableaux ---------- */
.table-wrap{overflow-x:auto;margin:1.2rem 0}
table{width:100%;border-collapse:collapse;background:var(--white);font-size:.93rem}
th{background:var(--navy);color:#fff;text-align:left;padding:10px 14px;font-weight:600}
td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:top}
tr:nth-child(even) td{background:#F9FCFE}

/* ---------- Sous-pages : hero réduit ---------- */
.page-hero{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;padding:52px 0 44px
}
.page-hero h1{color:#fff;font-size:2rem}
.page-hero p{color:#CFE6F2;max-width:720px;margin:0.6rem 0 0}

/* ---------- Encadrés ---------- */
.note{
  background:var(--cyan-pale);border-left:4px solid var(--cyan);
  padding:16px 20px;border-radius:0 8px 8px 0;margin:1.2rem 0;font-size:.95rem
}
.note strong{color:var(--navy)}

/* ---------- Étapes ---------- */
.steps{counter-reset:step;list-style:none;margin:1rem 0}
.steps li{
  position:relative;padding:0 0 1.1rem 52px;counter-increment:step
}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:0;width:36px;height:36px;
  background:var(--cyan);color:#fff;font-weight:700;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-family:'Barlow'
}
.steps li strong{color:var(--navy)}

/* ---------- CTA final ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;
  text-align:center;padding:56px 20px;border-radius:0
}
.cta-band h2{color:#fff}
.cta-band p{color:#CFE6F2;max-width:640px;margin:0 auto 1.6rem}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#B9CEDD;padding:44px 0 24px;font-size:.92rem}
footer .grid-3{margin-bottom:1.8rem}
footer h4{color:#fff;margin-bottom:.7rem;font-size:1rem}
footer a{color:#8FC9DE;text-decoration:none}
footer a:hover{text-decoration:underline}
footer ul{list-style:none}
footer li{margin-bottom:.4rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);padding-top:18px;text-align:center;
  font-size:.83rem;color:#7E97A9
}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  h1{font-size:1.8rem}
  .hero{padding:56px 0 48px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  #nav-toggle{display:block}
  nav ul{
    display:none;position:absolute;top:70px;left:0;right:0;background:var(--white);
    flex-direction:column;gap:0;padding:10px 20px 16px;border-bottom:1px solid var(--border);
    box-shadow:0 8px 16px rgba(10,42,67,.1)
  }
  nav ul.open{display:flex}
  nav a{display:block;padding:12px 8px}
  .btn-ghost{margin-left:0;margin-top:10px}
}