/* ============================================================
   pierreconfolens.fr — refonte one-page
   Feuille de style unique. Polices auto-hébergées (OFL) :
   aucune requête vers un serveur tiers.
   Direction artistique : papier institutionnel froid, encre
   pétrole, filet or en accent mesuré. Angles nets, rythme
   clair/sombre, typographie Cormorant Garamond + Jost.
   ============================================================ */

/* ---------- Polices ---------- */
@font-face{font-family:"Jost";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/jost-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/jost-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Jost";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/jost-latin-700-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/jost-latin-ext-700-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/cormorant-garamond-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/cormorant-garamond-latin-ext-500-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/cormorant-garamond-latin-600-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/cormorant-garamond-latin-ext-600-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* ---------- Variables ---------- */
:root{
  --font-sans:"Jost",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;

  --paper:#f6f5f1;        /* papier institutionnel froid */
  --paper-alt:#edece6;    /* bande alternée */
  --ink:#17232b;          /* encre pétrole sombre */
  --muted:#5c6a72;        /* texte secondaire, froid */
  --line:#d4d3cb;

  --petrol:#1b3a4b;       /* charte */
  --petrol-deep:#10242f;  /* bandes sombres */
  --ink-on-dark:#e9ecec;
  --muted-on-dark:#a7b6bd;

  --gold:#c9a96e;         /* or — accent décoratif */
  --gold-text:#8a6d34;    /* or lisible sur fond clair */

  --max:1120px;
  --radius:3px;
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--petrol);outline-offset:3px}
.dark :focus-visible{outline-color:var(--gold)}
p{margin:0 0 1rem}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.5rem}

.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:.75rem 1rem;z-index:20}
.skip:focus{left:1rem;top:1rem}

/* ---------- Titres ---------- */
h1{font-family:var(--font-serif);font-weight:600;font-size:clamp(2.6rem,5.4vw,4.4rem);line-height:1.02;letter-spacing:-.02em;margin:0 0 1.4rem;max-width:18ch}
h2{font-family:var(--font-serif);font-weight:600;font-size:clamp(1.9rem,3.6vw,2.8rem);line-height:1.08;letter-spacing:-.015em;margin:.2rem 0 1.1rem;max-width:24ch}
h3{font-family:var(--font-sans);font-weight:700;font-size:1.02rem;letter-spacing:.01em;margin:0 0 .5rem}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.18em;font-weight:700;color:var(--gold-text);margin:0 0 1.1rem;padding-left:2.2rem;position:relative}
.eyebrow::before{content:"";position:absolute;left:0;top:.55em;width:1.5rem;height:1px;background:var(--gold)}
.eyebrow.gold{color:var(--gold)}
.lead{font-size:1.18rem;color:#33424b;max-width:62ch}
.intro{color:var(--muted);max-width:66ch;font-size:1.05rem}
.dark .intro{color:var(--muted-on-dark)}
.note{color:var(--muted);font-size:.92rem;margin:1.6rem 0 0;max-width:66ch}

/* ---------- Navigation ---------- */
.site-header{position:sticky;top:0;z-index:10;background:rgba(246,245,241,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{max-width:var(--max);margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;position:relative}
.brand-logo{display:block;width:clamp(150px,18vw,210px);height:auto;max-height:50px;object-fit:contain}
.links{display:flex;gap:1.35rem;align-items:center;font-size:.93rem;color:#3c4a52}
.links a{white-space:nowrap}
.nav-cta{border:1px solid var(--petrol);color:var(--petrol);padding:.4rem .9rem;border-radius:var(--radius);font-weight:700}
.nav-cta:hover{background:var(--petrol);color:#fff;text-decoration:none}
.lang{border:1px solid var(--line);color:var(--muted);padding:.4rem .7rem;border-radius:var(--radius);font-size:.82rem;font-weight:700;letter-spacing:.08em}
.lang:hover{border-color:var(--petrol);color:var(--petrol);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:.55rem .6rem;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Sections ---------- */
.section{padding:5.5rem 0}
.section.alt{background:var(--paper-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.dark{background:var(--petrol-deep);color:var(--ink-on-dark)}
.section.dark h2{color:#fff}

/* ---------- Hero ---------- */
.hero{padding:7.5rem 0 6rem;position:relative}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--petrol) 0 62%,var(--gold) 62% 100%)}
.actions{display:flex;flex-wrap:wrap;gap:.9rem;margin:2.2rem 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.9rem 1.5rem;border-radius:var(--radius);font-weight:700;font-size:.98rem;border:1px solid var(--petrol);background:var(--petrol);color:#fff;letter-spacing:.01em}
.btn:hover{background:var(--petrol-deep);border-color:var(--petrol-deep);text-decoration:none}
.btn.ghost{background:transparent;color:var(--petrol)}
.btn.ghost:hover{background:var(--petrol);color:#fff}
.btn.gold-btn{background:var(--gold);border-color:var(--gold);color:var(--petrol-deep)}
.btn.gold-btn:hover{background:#d8bc85;border-color:#d8bc85}
.hero-marks{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 2rem;margin-top:3rem;padding-top:1.4rem;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted);letter-spacing:.04em}
.hero-marks li{position:relative;padding-left:1rem}
.hero-marks li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--gold)}

/* ---------- Grilles & cartes ---------- */
.grid{display:grid;gap:1.4rem;margin-top:2.4rem}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-top:2px solid var(--petrol);border-radius:var(--radius);padding:1.6rem 1.5rem}
.card p{margin:0;color:var(--muted);font-size:.97rem}
.section.alt .card{background:var(--paper)}

/* ---------- Apports ---------- */
.apports{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:2.4rem;border:1px solid var(--line);background:var(--line)}
.apport{background:var(--paper-alt);padding:1.6rem 1.5rem}
.apport h3{color:var(--petrol)}
.apport p{margin:0;color:var(--muted);font-size:.97rem}
.section.alt .apport{background:var(--paper)}

/* ---------- Missions ---------- */
.missions{display:grid;grid-template-columns:1fr 1fr;gap:0 3rem;margin-top:2.4rem}
.missions ul{list-style:none}
.missions li{padding:1.05rem 0 1.05rem 1.4rem;border-bottom:1px solid var(--line);position:relative;color:var(--muted);font-size:.98rem}
.missions li::before{content:"";position:absolute;left:0;top:1.55rem;width:6px;height:6px;background:var(--gold)}
.missions strong{color:var(--ink);font-weight:700}

/* ---------- Méthode (élément signature) ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:2.6rem 1.8rem;margin-top:3rem}
.steps li{position:relative;padding-top:1.1rem;border-top:1px solid rgba(201,169,110,.35)}
.step-n{font-family:var(--font-serif);font-weight:500;font-size:1.9rem;color:var(--gold);line-height:1;display:block;margin-bottom:.55rem}
.steps h3{color:#fff}
.steps p{margin:0;color:var(--muted-on-dark);font-size:.93rem}

/* ---------- Modes d'intervention ---------- */
.modes .mode{display:flex;flex-direction:column}
.mode-tag{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--gold-text);margin:0 0 .9rem}
.mode h3{font-family:var(--font-serif);font-weight:600;font-size:1.45rem;letter-spacing:-.01em}

/* ---------- Référence ---------- */
.ref{display:grid;grid-template-columns:1.15fr .85fr;gap:1.4rem;margin-top:2.4rem}
.ref-main,.ref-side{border:1px solid var(--line);border-radius:var(--radius);padding:1.9rem 1.8rem;background:var(--paper)}
.ref-main{border-top:2px solid var(--petrol)}
.ref-side{background:var(--petrol);color:var(--ink-on-dark);border-color:var(--petrol)}
.ref-main h3,.ref-side h3{font-family:var(--font-serif);font-weight:600;font-size:1.5rem;letter-spacing:-.01em}
.ref-side h3{color:#fff}
.ref-side p{color:var(--muted-on-dark)}
.ref-meta{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-text);font-weight:700;margin:0 0 1rem}
.ref-main ul{list-style:none;margin-top:.8rem}
.ref-main li{padding:.45rem 0 .45rem 1.3rem;position:relative;color:var(--muted);font-size:.97rem;border-bottom:1px solid var(--line)}
.ref-main li:last-child{border-bottom:0}
.ref-main li::before{content:"";position:absolute;left:0;top:1em;width:5px;height:5px;background:var(--gold)}
.ticks{list-style:none;margin-top:.6rem}
.ticks li{padding:.45rem 0 .45rem 1.5rem;position:relative;color:var(--ink-on-dark);font-size:.97rem}
.ticks li::before{content:"—";position:absolute;left:0;color:var(--gold)}

/* ---------- Pour qui ---------- */
.publics{list-style:none;display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2.2rem}
.publics li{border:1px solid var(--petrol);color:var(--petrol);padding:.55rem 1.1rem;border-radius:var(--radius);font-size:.95rem;font-weight:700;letter-spacing:.02em}

/* ---------- À propos ---------- */
.about{display:grid;grid-template-columns:1.35fr .65fr;gap:3.5rem;align-items:start}
.about-portrait{margin:0}
.about-portrait img{border-radius:var(--radius);border:1px solid var(--line)}
.about-portrait figcaption{margin-top:.9rem;font-size:.9rem;color:var(--muted);line-height:1.5}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:auto 1fr;gap:3rem;align-items:start;margin-top:2.4rem}
.contact address{font-style:normal;display:grid;gap:.45rem;color:var(--muted-on-dark);font-size:1rem}
.contact address a{color:#fff;width:fit-content}
.contact address a:hover{color:var(--gold)}
.contact address span{margin-top:.6rem;font-size:.92rem}

/* ---------- Pied de page ---------- */
.footer{border-top:1px solid var(--line);background:var(--paper)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.6rem;padding-bottom:1.6rem;font-size:.9rem;color:var(--muted);flex-wrap:wrap}
.footer-links{display:flex;gap:1.4rem}

/* ---------- Page mentions légales ---------- */
.legal{max-width:820px;margin:0 auto;padding:4.5rem 1.5rem}
.legal h1{font-size:clamp(2.2rem,4vw,3rem)}
.legal h2{font-size:1.35rem;font-family:var(--font-sans);font-weight:700;margin-top:2.2rem}
.legal .muted{color:var(--muted)}

/* ---------- Apparition au défilement ---------- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
  .reveal.visible{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid.three{grid-template-columns:1fr 1fr}
  .apports{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .ref{grid-template-columns:1fr}
  .about{grid-template-columns:1fr;gap:2.4rem}
  .about-portrait{max-width:340px}
}
@media (max-width:720px){
  .section{padding:4rem 0}
  .hero{padding:5.5rem 0 4.5rem}
  .nav-toggle{display:block}
  .links{position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:1rem 1.5rem 1.4rem;gap:1rem;display:none}
  .links.open{display:flex}
  .links a{padding:.3rem 0}
  .nav-cta{text-align:center}
  .grid.three{grid-template-columns:1fr}
  .apports{grid-template-columns:1fr}
  .missions{grid-template-columns:1fr;gap:0}
  .missions ul + ul li:first-child{border-top:0}
  .steps{grid-template-columns:1fr;gap:1.8rem}
  .contact-grid{grid-template-columns:1fr;gap:2rem}
  .footer-inner{flex-direction:column;align-items:flex-start}
}