/* ============================================================
   SWIPSTUDIO — Design System
   Sombre par défaut (cinématique) · toggle clair · accent rouge #E62837
   ============================================================ */

:root{
  /* Base — dark (défaut) */
  --bg:#0F0E11;
  --bg-2:#161519;
  --surface:#1C1B21;
  --text:#F5F2F5;
  --text-soft:#B6B0BA;
  --muted:#867F8C;
  --line:rgba(245,242,245,.12);
  --line-2:rgba(245,242,245,.06);

  /* Brand */
  --red:#E62837;
  --red-2:#ff4d5e;
  --red-deep:#bd1626;
  --red-tint:rgba(230,40,55,.16);
  --red-tint-2:rgba(230,40,55,.08);

  /* 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(--red);
  --accent-2:var(--red-2);
  --accent-deep:var(--red-deep);
  --accent-tint:var(--red-tint);
  --accent-tint-2:var(--red-tint-2);
  --shadow-accent:var(--shadow-red);

  /* 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 10px -2px rgba(0,0,0,.5);
  --shadow:0 24px 50px -28px rgba(0,0,0,.7);
  --shadow-red:0 24px 60px -24px rgba(230,40,55,.5);

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

:root.theme-light{
  --bg:#FAF7F7;
  --bg-2:#F1ECEE;
  --surface:#FFFFFF;
  --text:#161013;
  --text-soft:#5C545A;
  --muted:#928A93;
  --line:rgba(22,16,19,.10);
  --line-2:rgba(22,16,19,.06);
  --red-tint:rgba(230,40,55,.10);
  --red-tint-2:rgba(230,40,55,.05);
  --shadow:0 24px 50px -28px rgba(22,16,19,.30);
  --shadow-sm:0 2px 8px -2px rgba(22,16,19,.08);
}

*{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(--red);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(--red);
}
.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(--red)}
.section-lead{
  margin-top:18px;font-size:var(--fs-lead);font-weight:300;
  color:var(--text-soft);max-width:54ch;line-height:1.65;
}

section{position:relative}
.section-pad{padding:clamp(104px,14vh,172px) 0}
.section-head{max-width:760px}
.section-head .section-title{margin-top:14px}

/* ---------- Buttons (survol simple — lift + brillance, pas de remplissage) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:11px;white-space:nowrap;
  padding:14px 26px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .4s var(--ease)}
/* Bouton plein : neutre au repos (noir en thème clair, blanc en sombre) ;
   le rouge « swipe » de gauche à droite au survol — le remplissage a un sens. */
.btn-primary{
  position:relative;isolation:isolate;overflow:hidden;
  color:var(--bg);background:var(--text);box-shadow:var(--shadow-sm);
}
.btn-primary::before{
  content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;
  background:var(--red);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.btn-primary:hover,.btn-primary:focus-visible{color:#fff;border-color:var(--red);transform:translateY(-2px);box-shadow:var(--shadow-red)}
.btn-primary:hover::before,.btn-primary:focus-visible::before{transform:scaleX(1)}
.btn-primary:hover svg{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.btn-primary::before{transition:none}}

/* --- Repères de marque : la CTA de la nav et le bouton principal du hero
   restent ROUGES au repos. Au survol, un éclat balaye la surface et le
   contour s'illumine — pas de remplissage, ils sont déjà pleins. --- */
.nav-cta-desktop.btn-primary,
.nav-links a.drawer-cta.btn-primary,
.hero-cta .btn-primary{
  background:var(--red);color:#fff;border-color:var(--red);
  box-shadow:0 10px 26px -16px rgba(230,40,55,.6);
}
.nav-cta-desktop.btn-primary::before,
.nav-links a.drawer-cta.btn-primary::before,
.hero-cta .btn-primary::before{content:none}
.nav-cta-desktop.btn-primary:hover,
.nav-links a.drawer-cta.btn-primary:hover,
.hero-cta .btn-primary:hover{
  background:var(--red);color:#fff;
  box-shadow:0 0 0 1px var(--red-2), 0 14px 34px -14px rgba(230,40,55,.7),
             0 0 22px -4px rgba(255,77,94,.55);
}
.nav-cta-desktop.btn-primary::after,
.nav-links a.drawer-cta.btn-primary::after,
.hero-cta .btn-primary::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.5) 50%,transparent 62%);
  transform:translateX(-130%);
}
.nav-cta-desktop.btn-primary:hover::after,
.nav-links a.drawer-cta.btn-primary:hover::after,
.hero-cta .btn-primary:hover::after{animation:btnShine .85s var(--ease)}
@keyframes btnShine{to{transform:translateX(130%)}}
@media (prefers-reduced-motion:reduce){
  .nav-cta-desktop.btn-primary:hover::after,
  .nav-links a.drawer-cta.btn-primary:hover::after,
  .hero-cta .btn-primary:hover::after{animation:none}
}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.btn-lg{padding:17px 32px;font-size:15px}
/* variante claire posée sur la vidéo (toujours sombre) */
.btn-on-dark{color:#fff;border-color:rgba(255,255,255,.28)}
.btn-on-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}

/* see-more pill — flèche à gauche ; au survol le cercle rouge GONFLE depuis sa
   position pour remplir la pilule (pas de couture), le texte glisse à gauche
   (échange des paddings, largeur constante) et la flèche finit à droite dans
   l'espace libéré — aucun chevauchement en fin de course. */
.see-more{
  position:relative;overflow:hidden;isolation:isolate;
  display:inline-flex;align-items:center;min-height:50px;
  padding:6px 26px 6px 56px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;
  transition:border-color .4s var(--ease), transform .4s var(--ease), color .35s var(--ease),
             padding .55s var(--ease);
}
/* le remplissage EST le cercle de base : même taille, même position au repos */
.see-more::before{
  content:"";position:absolute;left:6px;top:50%;width:38px;aspect-ratio:1;
  border-radius:50%;background:var(--red);z-index:-1;
  transform:translateY(-50%);transform-origin:center;
  transition:transform .55s var(--ease);
}
.see-more .bullet{
  position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:38px;height:38px;border-radius:50%;background:transparent;color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:left .55s var(--ease);
}
.see-more .bullet svg{width:16px;height:16px}
.see-more:hover,.see-more:focus-visible{
  border-color:var(--red);color:#fff;transform:translateY(-2px);
  padding-left:26px;padding-right:56px;
}
.see-more:hover::before,.see-more:focus-visible::before{transform:translateY(-50%) scale(16)}
.see-more:hover .bullet,.see-more:focus-visible .bullet{left:calc(100% - 44px)}
@media (prefers-reduced-motion:reduce){
  .see-more,.see-more::before,.see-more .bullet{transition:none}
}
.section-foot{display:flex;justify-content:center;margin-top:52px}

/* ---------- 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) 78%, 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:30px;width:auto;display:block;transition:height .4s var(--ease)}
.nav-logo .logo-light{display:none}
.nav-logo .logo-dark{display:block}
.theme-light .nav-logo .logo-light{display:block}
.theme-light .nav-logo .logo-dark{display:none}
.nav.scrolled .nav-logo img{height:24px}

/* Au-dessus du hero (non scrollé) : la nav est posée sur la vidéo sombre →
   contenu toujours clair, quel que soit le thème */
.nav:not(.scrolled) .nav-logo .logo-light{display:none}
.nav:not(.scrolled) .nav-logo .logo-dark{display:block}
.nav:not(.scrolled) .nav-links a{color:rgba(255,255,255,.82)}
.nav:not(.scrolled) .nav-links a:hover{color:#fff}
.nav:not(.scrolled) .theme-toggle{color:#fff;border-color:rgba(255,255,255,.3)}
.nav:not(.scrolled) .theme-toggle:hover{border-color:#fff}
.nav:not(.scrolled) .nav-burger{color:#fff;border-color:rgba(255,255,255,.3)}

.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);
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:1.5px;
  background:var(--red);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}
.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(--red);transform:rotate(15deg)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-moon{display:none}
.theme-light .theme-toggle .icon-moon{display:block}
.theme-light .theme-toggle .icon-sun{display:none}
/* CTA nav : même hauteur que le rond du toggle */
.nav-cta-desktop{height:40px;padding-top:0;padding-bottom:0}

.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){
  /* la barre passe en flex : logo à gauche, toggle+burger 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(10,8,9,.55);-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,.5);
    overflow-y:auto;overscroll-behavior:contain;
  }
  .nav-links.open{transform:none}

  /* le backdrop-filter de .nav.scrolled confine les enfants position:fixed à la
     hauteur de la barre → neutralisé quand le tiroir est ouvert */
  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(--red);color:var(--red)}

  .nav-links a,
  .nav:not(.scrolled) .nav-links a{
    font-size:19px;font-weight:600;color:var(--text);
    display:flex;align-items:baseline;gap:12px;padding:13px 0;
    border-radius: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(--red);
    font-variant-numeric:tabular-nums;min-width:20px;
  }

  .nav-links a.drawer-cta,
  .nav .nav-links a.drawer-cta,
  .nav:not(.scrolled) .nav-links a.drawer-cta{
    align-self:flex-start;width:auto;border-bottom:none;
    border-radius:999px;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(--red)}
  .df-socials{display:flex;flex-wrap:nowrap;gap:16px;margin-top:6px;white-space:nowrap}
  .df-socials a{font-size:13px;color:var(--text-soft);transition:color .3s var(--ease)}
  .df-socials a:hover{color:var(--red)}
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.final-cta{
  position:relative;overflow:hidden;
  padding:clamp(96px,15vh,170px) 0;text-align:center;
  background:
    linear-gradient(to bottom,color-mix(in srgb,var(--red-tint-2) 50%,transparent) 0%,color-mix(in srgb,var(--red-tint) 55%,transparent) 38%,transparent 100%),
    radial-gradient(90% 48% at 50% 52%,color-mix(in srgb,var(--red-tint-2) 50%,transparent),transparent 65%),
    var(--bg);
}
.final-cta::before,.final-cta::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,color-mix(in srgb,var(--red-tint-2) 55%,transparent),transparent 70%);
}
.final-cta::before{width:520px;height:520px;left:-160px;bottom:-180px}
.final-cta::after{width:480px;height:480px;right:-150px;bottom:-200px}
.fc-inner{position:relative;z-index:2;max-width:960px;margin:0 auto;display:flex;flex-direction:column;align-items:center}
.fc-title{
  margin-top:18px;font-size:clamp(34px,4.8vw,68px);line-height:1.05;letter-spacing:-0.04em;color:var(--text);
  text-wrap:pretty;
}
.fc-title em{font-style:normal;color:var(--red)}
.fc-sub{position:relative;z-index:2;margin-top:24px;font-size:clamp(15px,1.4vw,19px);color:var(--text-soft);max-width:48ch;line-height:1.6}
.fc-btn{margin-top:clamp(30px,4vh,46px)}

/* ============================================================
   FOOTER (même structure que VolumAgency)
   ============================================================ */
.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(--red)}
.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(--red)}
.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(--red);color:var(--red);transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}

.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(--red);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.powered > span:first-child{display:inline-flex;align-items:center;gap:10px}
.powered .pw-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);line-height:1;white-space:nowrap}
.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-light{display:none}
.theme-light .powered .pw-img.logo-light{display:block}
.theme-light .powered .pw-img.logo-dark{display:none}
.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(--red)}
.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);white-space:nowrap}
.footer-bottom .links a:hover{color:var(--red)}