/* ============================================================
   monpremieraquarium.fr — style.css
   Palette : eau profonde / papier aqua / vert plante / corail guppy
   Typo : Bricolage Grotesque (titres) · Source Serif 4 (texte)
          IBM Plex Mono (paramètres d'eau, étiquettes)
   ============================================================ */

:root{
  --ink:#11343C;        /* texte principal, bleu-vert encre */
  --deep:#175964;       /* eau profonde : header, liens */
  --deep-2:#0E4750;
  --paper:#F4F8F7;      /* fond général, blanc teinté aqua */
  --white:#FFFFFF;
  --plant:#2F8A57;      /* vert plante : actions, validation */
  --coral:#E2703A;      /* corail guppy : affiliation, accents */
  --line:#D3E2DF;
  --chip:#E5F0ED;       /* fond des étiquettes paramètres */
  --muted:#5B7470;
  --maxw:1060px;
  --maxw-text:720px;
  --radius:10px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:"Source Serif 4",Georgia,serif;
  font-size:1.075rem;line-height:1.7;
  color:var(--ink);background:var(--paper);
}
h1,h2,h3,h4,.brand,.btn,nav{
  font-family:"Bricolage Grotesque","Segoe UI",Arial,sans-serif;
}
h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.4rem,3vw,1.9rem);line-height:1.25;margin:2.2rem 0 .8rem}
h3{font-size:1.18rem;margin:1.6rem 0 .5rem}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem 1.4rem}
li{margin-bottom:.35rem}
a{color:var(--deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--deep-2)}
img{max-width:100%;height:auto;border-radius:var(--radius);display:block}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.2rem}
.wrap-text{max-width:var(--maxw-text);margin:0 auto;padding:0 1.2rem}

/* ---------- Header ---------- */
header.site{
  background:var(--deep);color:#fff;
}
.site-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.9rem 1.2rem;max-width:var(--maxw);margin:0 auto;
}
.brand{
  color:#fff;text-decoration:none;font-weight:700;
  font-size:1.15rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.55rem;
}
.brand svg{flex:none}
nav.main{display:flex;gap:1.3rem;align-items:center}
nav.main a{color:#DCEBE9;text-decoration:none;font-size:.95rem;font-weight:600}
nav.main a:hover,nav.main a[aria-current="page"]{color:#fff;text-decoration:underline;text-underline-offset:4px}
.menu-btn{
  display:none;background:none;border:1.5px solid #DCEBE9;color:#fff;
  border-radius:8px;padding:.4rem .7rem;font:inherit;cursor:pointer;
}
@media (max-width:760px){
  .menu-btn{display:block}
  nav.main{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--deep-2);flex-direction:column;align-items:flex-start;
    padding:1rem 1.4rem;gap:.9rem;z-index:50;
  }
  nav.main.open{display:flex}
  header.site{position:relative}
}

/* ---------- Ligne d'eau (séparateur signature) ---------- */
.waterline{display:block;width:100%;height:34px;color:var(--deep)}
.waterline.flip{transform:scaleY(-1);color:var(--deep)}

/* ---------- Hero ---------- */
.hero{background:var(--deep);color:#fff;padding:3.2rem 0 1.4rem}
.hero .wrap{max-width:var(--maxw-text)}
.hero h1{margin-bottom:1rem}
.hero p.lead{font-size:1.15rem;color:#D6E7E5;max-width:38em}
.hero .params{margin-top:1.4rem}

/* Étiquette paramètres (signature) */
.params{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0;padding:0}
.params li{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.8rem;letter-spacing:.02em;
  background:var(--chip);color:var(--deep-2);
  border:1px solid var(--line);border-radius:6px;
  padding:.25rem .6rem;margin:0;
}
.hero .params li{background:rgba(255,255,255,.1);color:#E8F3F1;border-color:rgba(255,255,255,.25)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-block;background:var(--plant);color:#fff;
  text-decoration:none;font-weight:700;font-size:1rem;
  padding:.65rem 1.25rem;border-radius:var(--radius);border:none;cursor:pointer;
}
.btn:hover{background:#256E45;color:#fff}
.btn.secondary{background:transparent;color:var(--deep);border:2px solid var(--deep)}
.btn.secondary:hover{background:var(--deep);color:#fff}

/* ---------- Parcours débutant ---------- */
.path{padding:2.6rem 0 1rem}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.2rem}
@media (max-width:860px){.path-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.path-grid{grid-template-columns:1fr}}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.1rem;display:flex;flex-direction:column;gap:.4rem;
}
.step .num{
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--coral);
  letter-spacing:.06em;
}
.step h3{margin:0;font-size:1.05rem}
.step p{font-size:.92rem;color:var(--muted);margin:0;flex:1}
.step a{font-weight:600;font-size:.92rem}

/* ---------- Cartes articles ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:1.2rem}
@media (max-width:860px){.cards{grid-template-columns:1fr}}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.card .ph{
  background:linear-gradient(160deg,var(--chip),#CFE3DF);
  aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:.8rem;border-radius:0;
}
.card-body{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;gap:.45rem;flex:1}
.card .tag{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--deep);
  text-transform:uppercase;letter-spacing:.08em;
}
.card h3{margin:0;font-size:1.08rem;line-height:1.3}
.card h3 a{text-decoration:none;color:var(--ink)}
.card h3 a:hover{color:var(--deep);text-decoration:underline}
.card p{font-size:.92rem;color:var(--muted);margin:0;flex:1}

/* ---------- Sections ---------- */
.section{padding:2.4rem 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.1em;color:var(--coral);display:block;margin-bottom:.4rem;
}

/* ---------- Article ---------- */
article.post{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:2.2rem clamp(1.2rem,4vw,3rem);margin:2rem auto;max-width:var(--maxw-text)}
.post .meta{
  font-family:"IBM Plex Mono",monospace;font-size:.8rem;color:var(--muted);
  margin:.6rem 0 1.4rem;display:flex;flex-wrap:wrap;gap:.4rem 1rem;
}
.post .toc{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1rem 1.2rem;margin:1.4rem 0;font-size:.95rem;
}
.post .toc strong{font-family:"Bricolage Grotesque",sans-serif}
.post .toc ol{margin:.5rem 0 0 1.2rem}
.breadcrumb{font-size:.85rem;margin:1.4rem auto 0;max-width:var(--maxw-text);padding:0 1.2rem;color:var(--muted)}

/* Encadré affiliation */
.affil{
  border:2px solid var(--coral);border-radius:var(--radius);
  padding:1rem 1.2rem;margin:1.4rem 0;background:#FDF4EE;
}
.affil .label{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--coral);display:block;margin-bottom:.3rem;
}
.affil p{margin:0 0 .6rem;font-size:.95rem}
.affil .btn{background:var(--coral)}
.affil .btn:hover{background:#C45A28}

/* Encadré expérience perso */
.exp{
  border-left:4px solid var(--plant);background:#EFF6F1;
  border-radius:0 var(--radius) var(--radius) 0;
  padding:1rem 1.2rem;margin:1.4rem 0;
}
.exp .label{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--plant);display:block;margin-bottom:.3rem;
}
.exp p{margin:0;font-size:.98rem}

/* Photo perso */
figure.photo{margin:1.6rem 0}
figure.photo figcaption{
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--muted);margin-top:.4rem;
}
.photo-ph{
  background:linear-gradient(160deg,var(--chip),#CFE3DF);
  border:1px dashed var(--deep);border-radius:var(--radius);
  aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;
  color:var(--deep);font-family:"IBM Plex Mono",monospace;font-size:.82rem;
  text-align:center;padding:1rem;
}

/* FAQ */
.faq details{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:.6rem;padding:.7rem 1rem;
}
.faq summary{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;cursor:pointer}
.faq details p{margin:.6rem 0 0;font-size:.95rem}

/* Boîte auteur */
.author-box{
  display:flex;gap:1rem;align-items:center;
  border-top:1px solid var(--line);margin-top:2.2rem;padding-top:1.4rem;
}
.author-box .avatar{
  width:64px;height:64px;border-radius:50%;flex:none;
  background:var(--chip);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:"IBM Plex Mono",monospace;font-size:.65rem;color:var(--deep);text-align:center;
}
.author-box p{margin:0;font-size:.92rem;color:var(--muted)}

/* Maillage interne */
.related{margin:2rem 0 0}
.related h2{font-size:1.2rem}
.related ul{list-style:none;margin:0;padding:0}
.related li{padding:.45rem 0;border-bottom:1px dashed var(--line);margin:0}

/* ---------- Tableaux ---------- */
table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.55rem .7rem;text-align:left;vertical-align:top}
th{background:var(--chip);font-family:"Bricolage Grotesque",sans-serif;font-size:.88rem}
tr:nth-child(even) td{background:var(--paper)}

/* ---------- Divulgation ---------- */
.disclosure{
  font-size:.85rem;color:var(--muted);background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:.7rem 1rem;margin:1rem 0;
}

/* ---------- Footer ---------- */
footer.site{background:var(--ink);color:#B9CDC9;margin-top:3rem;font-size:.9rem}
footer .cols{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;
  max-width:var(--maxw);margin:0 auto;padding:2.4rem 1.2rem 1.4rem;
}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:.95rem;margin-bottom:.6rem}
footer a{color:#D6E7E5}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:.4rem}
footer .legal{
  border-top:1px solid #2A4A48;text-align:center;
  padding:1rem;font-size:.8rem;color:#8FA8A4;
}

/* ---------- Formulaires (contact) ---------- */
form .field{margin-bottom:1rem}
label{display:block;font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:.92rem;margin-bottom:.3rem}
input,textarea{
  width:100%;padding:.6rem .8rem;border:1.5px solid var(--line);
  border-radius:8px;font:inherit;background:#fff;
}
input:focus,textarea:focus{border-color:var(--deep);outline:none}