/* ============================================================
   VOLUMAGENCY — Design System partagé
   Clair par défaut · toggle sombre · accent orange #ff5602
   ============================================================ */

:root{
  /* Base — light */
  --bg:#FBF8F3;
  --bg-2:#F3EEE5;
  --surface:#FFFFFF;
  --text:#16120E;
  --text-soft:#5C554C;
  --muted:#928A7E;
  --line:rgba(22,18,14,.10);
  --line-2:rgba(22,18,14,.06);

  /* Brand */
  --orange:#ff5602;
  --orange-2:#ff7b33;
  --orange-deep:#d94400;
  --orange-tint:rgba(255,86,2,.10);
  --orange-tint-2:rgba(255,86,2,.05);

  /* Alias transverse — même nom sur les 4 pôles, pour qu'une règle partagée
     puisse utiliser la couleur du pôle sans la nommer. Ne change rien au rendu. */
  --accent:var(--orange);
  --accent-2:var(--orange-2);
  --accent-deep:var(--orange-deep);
  --accent-tint:var(--orange-tint);
  --accent-tint-2:var(--orange-tint-2);
  --shadow-accent:var(--shadow-orange);

  /* Échelle typographique partagée — valeurs identiques sur les 4 pôles */
  --fs-h2:clamp(32px,4.6vw,62px);
  --fs-h3:clamp(22px,2.4vw,32px);
  --fs-lead:clamp(15px,1.3vw,18px);
  --fs-body:clamp(15px,1.2vw,17px);

  --max:1280px;
  --pad-x:clamp(20px,5vw,84px);
  --radius:18px;
  --radius-lg:28px;

  --ease:cubic-bezier(.22,1,.36,1);
  --ease-2:cubic-bezier(.65,0,.35,1);

  --shadow-sm:0 2px 8px -2px rgba(22,18,14,.08);
  --shadow:0 24px 50px -28px rgba(22,18,14,.30);
  --shadow-orange:0 24px 60px -24px rgba(255,86,2,.45);

  --font:"Poppins",-apple-system,system-ui,sans-serif;
}

:root.theme-dark{
  --bg:#15110D;
  --bg-2:#1C1712;
  --surface:#211B15;
  --text:#F4EFE7;
  --text-soft:#B8AE9F;
  --muted:#857C6E;
  --line:rgba(244,239,231,.12);
  --line-2:rgba(244,239,231,.07);
  --orange-tint:rgba(255,86,2,.16);
  --orange-tint-2:rgba(255,86,2,.08);
  --shadow:0 24px 50px -28px rgba(0,0,0,.7);
  --shadow-sm:0 2px 10px -2px rgba(0,0,0,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font);font-weight:300;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;
  overflow-x:hidden;line-height:1.5;
  transition:background-color .5s var(--ease), color .5s var(--ease);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--orange);color:#fff}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad-x);width:100%}

/* ---------- Typographic rhythm ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--orange);
}
.eyebrow::before{
  display:none;
}
.eyebrow.center{justify-content:center}

h1,h2,h3{font-weight:700;letter-spacing:-0.03em;line-height:1.02;color:var(--text)}
.section-title{font-size:var(--fs-h2);letter-spacing:-0.035em}
.section-title em{font-style:normal;color:var(--orange)}
.section-lead{
  margin-top:18px;font-size:var(--fs-lead);font-weight:300;
  color:var(--text-soft);max-width:72ch;line-height:1.65;
}

section{position:relative}
.section-pad{padding:clamp(90px,12vh,150px) 0}

/* ---------- Buttons ---------- */
.btn{
  position:relative;isolation:isolate;overflow:hidden;
  display:inline-flex;align-items:center;gap:11px;
  padding:14px 26px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .4s var(--ease)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--shadow-orange)}
.btn-primary::before{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:linear-gradient(105deg,var(--orange-deep),var(--orange) 45%,var(--orange-2));
  opacity:0;transition:opacity .4s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px)}
.btn-primary:hover::before{opacity:1}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.btn-lg{padding:17px 32px;font-size:15px}

/* see-more / page-redirect pill — survol simple (bordure + flèche), sans remplissage */
.see-more{
  display:inline-flex;align-items:center;gap:14px;
  padding:6px 6px 6px 26px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;color:var(--text);
  transition:border-color .4s var(--ease), transform .4s var(--ease), color .35s var(--ease);
}
.see-more .bullet{
  width:38px;height:38px;border-radius:50%;background:var(--orange);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .4s var(--ease);
}
.see-more .bullet svg{width:16px;height:16px}
.see-more:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.see-more:hover .bullet{transform:translateX(4px)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.done{transition:none}
[data-delay="1"]{transition-delay:.08s}
[data-delay="2"]{transition-delay:.16s}
[data-delay="3"]{transition-delay:.24s}
[data-delay="4"]{transition-delay:.32s}
[data-delay="5"]{transition-delay:.40s}
[data-delay="6"]{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  padding:22px var(--pad-x);
  transition:background-color .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom-color:var(--line-2);padding-top:13px;padding-bottom:13px;
}
.nav-logo{display:inline-flex;align-items:center;justify-self:start}
.nav-logo img{height:29px;width:auto;display:block;transition:height .4s var(--ease)}
.nav-logo .logo-dark{display:none}
.theme-dark .nav-logo .logo-light{display:none}
.theme-dark .nav-logo .logo-dark{display:block}
.nav.scrolled .nav-logo img{height:23px}

.nav-links{display:flex;align-items:center;gap:6px;justify-self:center}
.nav-links a{
  position:relative;padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:400;color:var(--text-soft);
  transition:color .3s var(--ease), background-color .3s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:1.5px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}

.nav-right{display:flex;align-items:center;gap:12px;justify-self:end}
/* CTA nav : même hauteur que le rond du toggle (40px) */
.nav-cta-desktop{height:40px;padding-top:0;padding-bottom:0}
.theme-toggle{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.theme-toggle:hover{border-color:var(--orange);transform:rotate(15deg)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-sun{display:none}
.theme-dark .theme-toggle .icon-sun{display:block}
.theme-dark .theme-toggle .icon-moon{display:none}

.nav-burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text);align-items:center;justify-content:center}
.nav-burger svg{width:20px;height:20px}

/* éléments réservés au tiroir mobile : masqués en desktop */
.drawer-head,.drawer-cta,.drawer-foot,.nav-links .dl-num{display:none}
.nav-backdrop{display:none}

@media (max-width:880px){
  /* le menu passe en tiroir → on repasse la barre en flex pour coller
     le logo à gauche et le duo toggle+burger tout à droite */
  .nav{display:flex;justify-content:space-between;align-items:center}
  .nav-right{justify-self:auto}
  .nav-burger{display:inline-flex}
  .nav-cta-desktop{display:none}

  /* backdrop cliquable */
  .nav-backdrop{
    display:block;position:fixed;inset:0;z-index:110;
    background:rgba(12,9,6,.46);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
    opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s var(--ease);
  }
  .nav-backdrop.open{opacity:1;visibility:visible}

  /* tiroir */
  .nav-links{
    position:fixed;top:0;right:0;left:auto;height:100vh;height:100dvh;width:min(300px,74vw);z-index:120;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    background:var(--surface);padding:22px 26px calc(26px + env(safe-area-inset-bottom));
    transform:translateX(100%);transition:transform .45s cubic-bezier(.4,0,.2,1);
    box-shadow:-30px 0 60px -30px rgba(0,0,0,.45);
    overflow-y:auto;overscroll-behavior:contain;
  }
  .nav-links.open{transform:none}

  /* FIX : le backdrop-filter de .nav.scrolled crée un bloc de référence
     qui confine les enfants position:fixed (le tiroir + le backdrop) à la
     hauteur de la barre. On le neutralise pendant que le menu est ouvert
     (la barre est de toute façon masquée par le backdrop à ce moment). */
  body.menu-open .nav{
    -webkit-backdrop-filter:none;backdrop-filter:none;background:transparent;border-bottom-color:transparent;
  }

  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:8px;padding-bottom:18px;border-bottom:1px solid var(--line);
  }
  .drawer-label{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
  .drawer-close{
    width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
    background:transparent;color:var(--text);display:flex;align-items:center;justify-content:center;
    transition:border-color .3s var(--ease),color .3s var(--ease)}
  .drawer-close svg{width:18px;height:18px}
  .drawer-close:hover{border-color:var(--orange);color:var(--orange)}

  .nav-links a{
    font-size:19px;font-weight:600;color:var(--text);
    display:flex;align-items:baseline;gap:12px;padding:13px 0;
    border-bottom:1px solid var(--line-2);
  }
  .nav-links a::after{display:none}
  .nav-links .dl-num{
    display:inline-block;font-size:12px;font-weight:600;color:var(--orange);
    font-variant-numeric:tabular-nums;min-width:20px;
  }

  .nav-links a.drawer-cta{
    align-self:flex-start;width:auto;border-bottom:none;color:#fff !important;
    margin-top:22px;font-size:14px;padding:12px 22px;
  }

  .drawer-foot{
    display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:30px;
  }
  .df-label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
  .df-mail{font-size:16px;font-weight:600;color:var(--text)}
  .df-mail:hover{color:var(--orange)}
  .df-socials{display:flex;flex-wrap:wrap;gap:18px;margin-top:6px}
  .df-socials a{font-size:13px;color:var(--text-soft);transition:color .3s var(--ease)}
  .df-socials a:hover{color:var(--orange)}
}

/* verrouille le scroll de la page quand le tiroir est ouvert */
body.menu-open{overflow:hidden}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--bg-2);border-top:1px solid var(--line-2);padding:clamp(60px,8vh,90px) 0 32px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
@media (max-width:780px){.footer-top{grid-template-columns:1fr;gap:40px}}
.footer-brand .nav-logo{margin-bottom:18px;justify-self:start}
.footer-brand p{color:var(--text-soft);max-width:34ch;font-size:14px;line-height:1.7}
.footer-col h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;font-weight:600}
.footer-col a{display:block;color:var(--text-soft);font-size:14px;padding:6px 0;transition:color .3s var(--ease)}
.footer-col a:hover{color:var(--orange)}
.footer-mail{
  display:inline-flex;align-items:center;gap:10px;font-size:clamp(18px,2vw,26px);font-weight:600;
  letter-spacing:-0.02em;color:var(--text);margin-top:6px;
  transition:color .3s var(--ease)
}
.footer-mail:hover{color:var(--orange)}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-soft);
  transition:all .3s var(--ease)
}
.footer-social a:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}

/* propulsé par SwipGroup badge */
.powered{
  display:inline-flex;align-items:center;gap:16px;margin-top:26px;
  padding:12px 20px;border-radius:14px;border:1px solid var(--line);
  background:var(--surface);transition:all .35s var(--ease);
}
.powered:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.powered > span:first-child{display:inline-flex;align-items:center;gap:9px}
.powered .pw-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);line-height:1.3;display:block;margin-bottom:0}
.powered .pw-img{--lh:15px;height:calc(var(--lh)*2.066116);width:auto;display:block;clip-path:inset(23.0667% 8.5333% 28.5333% 8.6%);margin:calc(var(--lh)*-.476584) calc(var(--lh)*-.176309) calc(var(--lh)*-.589532) calc(var(--lh)*-.177686)}
.powered .pw-img.logo-dark{display:none}
.theme-dark .powered .pw-img.logo-light{display:none}
.theme-dark .powered .pw-img.logo-dark{display:block}
.powered .pw-arrow{margin-left:2px;color:var(--muted);transition:transform .35s var(--ease),color .35s var(--ease);align-self:flex-start}
.powered:hover .pw-arrow{transform:translate(3px,-3px);color:var(--orange)}
.powered .pw-arrow svg{width:14px;height:14px}

.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:56px;padding-top:26px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--muted);
}
.footer-bottom .links{display:flex;gap:24px}
.footer-bottom .links a{transition:color .3s var(--ease)}
.footer-bottom .links a:hover{color:var(--orange)}

/* ============================================================
   THREADS (ambient light streaks)
   ============================================================ */
.threads{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.thread{position:absolute;left:-15%;width:130%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 40%,var(--orange-tint) 50%,var(--line) 60%,transparent);}
.thread::after{content:"";position:absolute;top:-2px;left:0;width:90px;height:5px;border-radius:50%;
  background:radial-gradient(ellipse,rgba(255,86,2,.7),transparent 70%);filter:blur(3px);
  animation:threadTravel 12s linear infinite}
.thread.t1{top:26%;transform:rotate(3deg)}
.thread.t2{top:72%;transform:rotate(-2deg)}
.thread.t2::after{animation-delay:6s;animation-duration:15s}
@keyframes threadTravel{0%{left:-10%;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:110%;opacity:0}}