/* ============================================
   RIVEMONT FINANCE SA — Feuille de style
   Aligné au Brand Guideline 2026
   Dark Blue #0a143c · Gold #e4b76f · Off-White #fcfcfc
   ============================================ */

:root{
  --navy:#0a143c;
  --navy-deep:#060d28;
  --navy-soft:#101d4d;
  --navy-line:rgba(228,183,111,.14);
  --gold:#e4b76f;
  --gold-soft:#eccb93;
  --gold-deep:#c99b50;
  --offwhite:#fcfcfc;
  --ivory-dim:#d9dde8;
  --grey:#7c869c;
  --display:'Cormorant Garamond',Georgia,serif; /* substitut serif pour wordmark (Adoha) */
  --body:'Manrope',-apple-system,BlinkMacSystemFont,sans-serif; /* substitut Area Variable */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);background:var(--navy);color:var(--offwhite);line-height:1.65;overflow-x:hidden;font-weight:300}

/* Bilingue */
.lang-en{display:none}
body.en .lang-fr{display:none}
body.en .lang-en{display:inline}
body.en .lang-en.block{display:block}

::selection{background:var(--gold);color:var(--navy)}

/* ---------- HEADER ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:100;padding:1.6rem 0;transition:background .4s,padding .4s;background:transparent}
header.scrolled{background:rgba(6,13,40,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:1rem 0;border-bottom:1px solid var(--navy-line)}
nav{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:.85rem;text-decoration:none}
.logo img{height:34px;width:auto;display:block}
.logo-word{display:flex;flex-direction:column;line-height:1}
.logo-word .name{font-family:var(--display);font-size:1.35rem;font-weight:600;color:var(--offwhite);letter-spacing:.32em;padding-left:.32em}
.logo-word .sub{font-family:var(--body);font-size:.52rem;font-weight:500;color:var(--gold);letter-spacing:.46em;padding-left:.46em;margin-top:3px}

.nav-links{display:flex;align-items:center;gap:2.4rem;list-style:none}
.nav-links a{color:var(--ivory-dim);text-decoration:none;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;transition:color .3s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-7px;left:0;width:0;height:1px;background:var(--gold);transition:width .35s}
.nav-links a:hover,.nav-links a.active{color:var(--gold-soft)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

.lang-toggle{display:flex;border:1px solid rgba(228,183,111,.35);border-radius:1px;overflow:hidden}
.lang-toggle button{background:transparent;border:none;color:var(--grey);font-family:var(--body);font-size:.66rem;letter-spacing:.1em;padding:.4rem .7rem;cursor:pointer;transition:all .3s;font-weight:600}
.lang-toggle button.active{background:var(--gold);color:var(--navy)}

.menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;z-index:120}
.menu-btn span{display:block;width:26px;height:1.5px;background:var(--gold);transition:.3s}
.menu-btn.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- BUTTONS ---------- */
.btn{display:inline-block;padding:.95rem 2.2rem;font-family:var(--body);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:none;transition:all .35s;font-weight:600}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--offwhite);border:1px solid rgba(252,252,252,.25)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}

/* ---------- LAYOUT ---------- */
section{padding:7.5rem 0;position:relative}
.container{max-width:1200px;margin:0 auto;padding:0 2rem}
.eyebrow{font-size:.7rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);margin-bottom:1.4rem;display:block;font-weight:600}
.section-title{font-family:var(--display);font-size:clamp(2rem,4.2vw,3.3rem);font-weight:500;line-height:1.12;margin-bottom:1.5rem;letter-spacing:.01em}
.section-intro{color:var(--ivory-dim);font-weight:300;max-width:60ch;font-size:1.05rem;line-height:1.8}

/* ---------- PAGE HERO (sous-pages) ---------- */
.page-hero{padding:11rem 0 5rem;border-bottom:1px solid var(--navy-line);position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;top:0;right:-10%;width:50%;height:100%;background:radial-gradient(ellipse at center,rgba(228,183,111,.06),transparent 70%);pointer-events:none}
.page-hero .eyebrow{margin-bottom:1rem}
.page-hero h1{font-family:var(--display);font-size:clamp(2.6rem,5.5vw,4.4rem);font-weight:500;line-height:1.05;letter-spacing:.01em;max-width:20ch}
.page-hero p{color:var(--ivory-dim);font-weight:300;max-width:54ch;margin-top:1.5rem;font-size:1.1rem;line-height:1.8}

/* ---------- FOOTER ---------- */
footer{background:var(--navy-deep);border-top:1px solid var(--navy-line);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand .logo{margin-bottom:1rem}
.footer-brand p{color:var(--grey);font-size:.88rem;font-weight:300;max-width:34ch;line-height:1.7}
.footer-col h4{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:1.3rem;font-weight:600}
.footer-col a{display:block;color:var(--ivory-dim);text-decoration:none;font-size:.88rem;font-weight:300;padding:.4rem 0;transition:color .3s}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{border-top:1px solid var(--navy-line);padding-top:1.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem}
.footer-bottom p{color:var(--grey);font-size:.76rem;font-weight:300}
.disclaimer{color:var(--grey);font-size:.72rem;font-weight:300;line-height:1.8;max-width:95ch;margin-top:1.5rem;opacity:.65}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.js .reveal{opacity:0}
.js .reveal.in{animation:fadeUp .85s cubic-bezier(.16,.84,.44,1) forwards}

/* ---------- RESPONSIVE ---------- */
@media(max-width:880px){
  .nav-links{position:fixed;inset:0 -100% 0 auto;flex-direction:column;justify-content:center;background:var(--navy-deep);width:78%;padding:3rem 2.5rem;gap:2rem;transition:right .4s;border-left:1px solid var(--navy-line)}
  .nav-links.open{right:0}
  .menu-btn{display:flex}
  section{padding:4.5rem 0}
  .page-hero{padding:8rem 0 3.5rem}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
}