:root{--navy:#1B2A3F;--navy2:#162335;--gold:#C9A24B;--gold-dark:#8a6d24;--cream:#F4F1E8;--cream2:#ECE7D8;--ink:#3d4757;--muted:#5b6472;--steel:#8A94A4;--steel-light:#aeb6c2}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:'Public Sans',system-ui,sans-serif;font-size:16px;line-height:1.65}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--gold)}
img,svg{display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{background:var(--navy);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:34px;height:34px}
.brand .word{font-family:'Marcellus',serif;font-size:19px;letter-spacing:.32em;color:var(--cream)}
.nav-links{display:flex;align-items:center;gap:32px;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.nav-links a{color:var(--steel);white-space:nowrap}
.nav-links a:hover{color:var(--cream)}
.nav-links a.active{color:var(--cream)}
.nav-links a.nav-cta{background:var(--gold);color:var(--navy);padding:11px 24px;font-weight:600}
.nav-links a.nav-cta:hover{background:#d8b45e;color:var(--navy)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:1.5px;background:var(--cream);margin:5px 0}

/* Hero */
.hero{background:var(--navy);text-align:center;position:relative;overflow:hidden}
.hero-inner{position:relative;padding:96px 24px 104px;max-width:1000px;margin:0 auto}
.hero-tile{position:absolute;opacity:.07;pointer-events:none}
.hero-tile.tl{left:-70px;bottom:-90px;width:360px;height:360px}
.hero-tile.tr{right:-60px;top:-70px;width:320px;height:320px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.35em;color:var(--gold);text-transform:uppercase}
.hero h1{font-family:'Marcellus',serif;font-weight:400;font-size:60px;line-height:1.14;letter-spacing:.04em;color:var(--cream);margin:28px auto 0;text-wrap:balance}
.accent{color:var(--gold)}
.hero .lead{font-size:18px;line-height:1.7;color:var(--steel-light);max-width:38em;margin:24px auto 0}
.btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:42px}
.btn{display:inline-block;padding:17px 38px;font-size:14px;letter-spacing:.1em;text-transform:uppercase}
.btn-gold{background:var(--gold);color:var(--navy);font-weight:600}
.btn-gold:hover{background:#d8b45e;color:var(--navy)}
.btn-ghost{border:1px solid rgba(244,241,232,.4);color:var(--cream)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-ghost-dark{border:1px solid rgba(27,42,63,.35);color:var(--navy)}
.btn-ghost-dark:hover{border-color:var(--gold);color:var(--gold-dark)}

/* Sections */
.section{padding:96px 0}
.section.cream2{background:var(--cream2)}
.section.navy{background:var(--navy)}
.center{text-align:center}
.title{font-family:'Marcellus',serif;font-weight:400;font-size:34px;letter-spacing:.03em;color:var(--navy);margin:14px 0 0;text-wrap:balance}
.navy .title{color:var(--cream)}
.rule{width:56px;height:3px;background:var(--gold);margin:24px auto 0}
.lead-p{font-size:16px;line-height:1.75;color:var(--steel-light);max-width:42em;margin:24px auto 0}
.section p.intro{font-size:15.5px;line-height:1.75;color:var(--ink);margin:0 0 18px}

/* Grids & cards */
.grid{display:grid;gap:24px;margin-top:44px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;padding:32px 28px;border-radius:6px;box-shadow:0 2px 10px rgba(27,42,63,.07);text-align:left}
.card.gold-top{border-top:4px solid var(--gold);box-shadow:none}
.card h3{font-family:'Marcellus',serif;font-weight:400;font-size:18px;color:var(--navy);margin:0 0 10px}
.card p{font-size:14.5px;line-height:1.65;color:var(--muted);margin:0}
.card .num{width:38px;height:38px;border-radius:50%;background:var(--navy);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:'Marcellus',serif;font-size:18px;margin-bottom:16px}
.tech{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.08em;color:var(--gold-dark);text-transform:uppercase;margin-bottom:12px}
.jcard{border:1px solid rgba(201,162,75,.4);padding:30px 26px;border-radius:6px;text-align:left}
.jcard h3{font-family:'Marcellus',serif;font-weight:400;font-size:18px;color:var(--cream);margin:0 0 10px}
.jcard p{font-size:14px;line-height:1.65;color:var(--steel-light);margin:0 0 14px}
.jcard .ref{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--gold)}
.jcard .tech{color:var(--gold)}
.span-all{grid-column:1/-1}

/* Two-col editorial */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-top:0}
.two-col .rule{margin:22px 0 0}
.two-col h2{font-family:'Marcellus',serif;font-weight:400;font-size:32px;letter-spacing:.03em;color:var(--navy);margin:14px 0 0;line-height:1.25}
.two-col .txt{display:flex;flex-direction:column;gap:18px}
.two-col .txt p{font-size:15.5px;line-height:1.75;color:var(--ink);margin:0}
.ref-inline{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--muted)}

/* Doctrine & CTA */
.doctrine{font-family:'Cormorant Garamond',serif;font-size:30px;font-style:italic;color:var(--navy);line-height:1.45;text-align:center;margin:0 auto;max-width:30em;text-wrap:balance}
.navy .doctrine{color:var(--cream)}
.cta-band{padding:88px 0;text-align:center}
.cta-band h2{font-family:'Marcellus',serif;font-weight:400;font-size:32px;color:var(--navy);margin:0}
.cta-band p{color:var(--muted);font-size:15px;margin:12px 0 26px}
.disclaimer{font-size:12.5px;color:#7d7462;margin:28px 0 0;font-style:italic;text-align:center}

/* Footer */
.site-footer{background:var(--navy);color:var(--steel)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding:64px 0 48px}
.footer-brand svg{width:38px;height:38px}
.footer-brand .word{font-family:'Marcellus',serif;font-size:17px;letter-spacing:.32em;color:var(--cream);margin:14px 0 10px}
.footer-brand p{font-size:13.5px;line-height:1.7;margin:0;max-width:26em}
.footer-col h4{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin:0 0 16px}
.footer-col a{display:block;color:var(--steel);font-size:14px;padding:5px 0}
.footer-col a:hover{color:var(--cream)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:24px 0 36px;border-top:1px solid rgba(244,241,232,.12);font-size:12.5px}
.footer-bottom .tagline{font-family:'IBM Plex Mono',monospace;letter-spacing:.25em;color:var(--gold)}

/* Form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px;text-align:left}
.form .full{grid-column:1/-1}
.form label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.form input,.form select,.form textarea{width:100%;background:#fff;border:1px solid rgba(27,42,63,.25);border-radius:4px;padding:14px 16px;font-family:'Public Sans',sans-serif;font-size:15px;color:var(--navy)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--gold);outline-offset:0;border-color:var(--gold)}
.form textarea{min-height:140px;resize:vertical}
.form .btn{border:0;cursor:pointer;font-family:'Public Sans',sans-serif}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-success{display:none;grid-column:1/-1;background:rgba(201,162,75,.15);border:1px solid var(--gold);border-radius:4px;padding:16px 18px;font-size:14.5px;color:var(--navy)}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* Responsive */
@media (max-width:1150px){
  .nav-links{gap:18px;font-size:12px;letter-spacing:.08em}
  .nav-links a.nav-cta{padding:10px 16px}
}
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:42px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:840px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy2);flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 20px;font-size:13px}
  .nav-links a{white-space:normal}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid rgba(244,241,232,.08)}
  .nav-links a.nav-cta{margin-top:14px;text-align:center}
  .burger{display:block}
}
@media (max-width:680px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-inner{padding:64px 24px 72px}
  .hero h1{font-size:33px}
  .hero .lead{font-size:15.5px}
  .section{padding:64px 0}
  .title{font-size:26px}
  .doctrine{font-size:23px}
  .btn{width:100%;text-align:center}
  .form{grid-template-columns:1fr}
}

/* ===== Animations (variante PHP) ===== */
@keyframes floatTile{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-14px) rotate(1.2deg)}}
.hero-tile{animation:floatTile 10s ease-in-out infinite}
.hero-tile.tr{animation-duration:13s;animation-delay:-4s}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero-inner>*{animation:fadeUp .7s ease both}
.hero-inner>*:nth-child(2){animation-delay:.12s}
.hero-inner>*:nth-child(3){animation-delay:.24s}
.hero-inner>*:nth-child(4){animation-delay:.36s}
.card,.jcard{transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(27,42,63,.14)}
.jcard:hover{transform:translateY(-5px);border-color:rgba(201,162,75,.8)}
.nav-links a{transition:color .2s ease}
.btn{transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn:hover{transform:translateY(-2px)}
@media (prefers-reduced-motion:reduce){.hero-tile,.hero-inner>*{animation:none}.card:hover,.jcard:hover,.btn:hover{transform:none}}