:root{
  --c-cyan: #82b4c8;
  --c-blue: #4a75ac;
  --c-orange: #c75030;
  --c-purple: #742872;
  --c-deep: #302255;
  --c-warm: #f2ce98;
  --bg: #f7f8fb; /* fond plutôt blanc demandé */
  --surface: rgba(255,255,255,0.96);
  --border: rgba(48,34,85,0.06);
  --gradient-main: linear-gradient(90deg, #82b4c8 0%, #c75030 50%, #742872 100%);
  --container-max: 1200px;
  --radius: 12px;
}

/* Reset & base */
*{box-sizing:border-box}
.html{scroll-behavior:smooth}
.body, body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial;color:var(--c-deep);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.container{max-width:var(--container-max);margin:0 auto;padding:0 1.25rem}

/* Aurora background */
.aurora{position:fixed;inset:0;pointer-events:none;z-index:-2;opacity:1}
.aurora::before{content:'';position:absolute;inset:-10% -20%;background:radial-gradient(600px 420px at 8% 18%, rgba(130,180,200,0.25), transparent 18%), radial-gradient(900px 480px at 88% 58%, rgba(199,80,48,0.2), transparent 22%), radial-gradient(520px 380px at 52% 82%, rgba(116,40,114,0.22), transparent 18%);filter:blur(60px)}

/* Header / Nav */
.site__header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.86));backdrop-filter:blur(6px);border-bottom:1px solid var(--border)}
.header__inner{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:1rem 0}
.brand{display:flex;align-items:center;gap:0.75rem;text-decoration:none;color:inherit}
.brand__logo{width:44px;height:44px;object-fit:contain}
.brand__title{font-weight:700;letter-spacing:0.06em;color:var(--c-deep)}
.nav__list{display:flex;gap:1.25rem;list-style:none;margin:0;padding:0}
.nav__list a{text-decoration:none;color:var(--c-deep);font-weight:600}
.nav__list a.is-current{color:var(--c-orange)}
.header__cta{display:inline-block}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;padding:0.6rem 1rem;border-radius:10px;font-weight:600;border:1px solid transparent;text-decoration:none;color:inherit;transition:all .18s ease}
.button:focus{outline:3px solid rgba(74,117,172,0.14);outline-offset:2px}
.button--primary{background:var(--gradient-main);color:#fff;box-shadow:0 8px 26px rgba(116,40,114,0.12)}
.button--primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(116,40,114,0.18)}
.button--ghost{background:transparent;border:1px solid var(--border);color:var(--c-deep)}
.button--outline{background:transparent;border:1px solid rgba(48,34,85,0.04);padding:0.45rem 0.85rem;color:var(--c-deep)}
.button--sm{padding:0.45rem 0.7rem;border-radius:8px;font-size:0.9rem}

/* Hero */
.hero{padding:4rem 0 2.5rem;position:relative}
.hero__inner{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:center}
.hero__title{font-size:clamp(1.8rem,4vw,3.6rem);margin:0 0 .5rem;line-height:1.02;color:var(--c-deep)}
.hero__subtitle{color:rgba(48,34,85,0.8);margin:0 0 1.25rem}
.hero__ctas{display:flex;gap:0.75rem;margin-bottom:1rem}
.hero__badges{display:flex;gap:.6rem;list-style:none;padding:0;margin:0}
.badge{background:linear-gradient(90deg, rgba(130,180,200,0.12), rgba(199,80,48,0.08));border:1px solid rgba(48,34,85,0.06);padding:.45rem .65rem;border-radius:999px;font-size:.9rem;color:var(--c-deep)}

.hero__visual{display:flex;align-items:center;justify-content:center}
.logo-halo{width:320px;height:320px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative}
.logo-halo::before{content:'';position:absolute;inset:0;border-radius:50%;background:var(--gradient-main);opacity:0.18;filter:blur(30px)}
.logo-halo__img{width:48%;height:auto;position:relative;z-index:2;filter:drop-shadow(0 6px 20px rgba(116,40,114,0.08))}
.logo-halo__img{width:48%;height:auto;position:relative;z-index:2}

.page-hero{padding:3.2rem 0 1rem}
.page-hero__eyebrow{margin:0 0 .5rem;font-size:.9rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--c-orange)}
.page-hero__title{margin:0 0 .7rem;font-size:clamp(1.8rem,4vw,3rem);line-height:1.05;color:var(--c-deep)}
.page-hero__lead{max-width:780px;margin:0;color:rgba(48,34,85,0.75);font-size:1.05rem}

/* Sections */
.section{padding:3rem 0}
.section__title{font-size:clamp(1.1rem,2.2vw,1.6rem);margin:0 0 .5rem;color:var(--c-deep)}
.section__lead{color:rgba(48,34,85,0.7);margin:0 0 1.25rem}

/* Cards glass */
.card{background:var(--surface);border:1px solid var(--border);padding:1.1rem;border-radius:var(--radius);box-shadow:0 8px 26px rgba(48,34,85,0.06)}

.page-links{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.page-link{display:flex;flex-direction:column;gap:.85rem}
.page-link p{margin:0;color:rgba(48,34,85,0.78)}

/* Services grid */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.service h3{margin:0 0 .35rem}
.service p{margin:0 0 .6rem;color:rgba(48,34,85,0.82)}
.service ul{margin:0;padding-left:1rem;color:rgba(48,34,85,0.75)}

/* About */
.about__inner{display:grid;grid-template-columns:1fr 300px;gap:1.5rem;align-items:start}
.mission{margin-top:1rem;padding:.9rem;background:linear-gradient(90deg, rgba(130,180,200,0.06), rgba(116,40,114,0.04));border-radius:10px}
.about__list{margin:1rem 0 0;padding-left:1.1rem}
.about__values .values{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.6rem}
.value{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:.6rem;border-radius:10px}

/* Process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}
.process__step{display:flex;flex-direction:column;gap:.6rem}
.step__num{width:48px;height:48px;border-radius:50%;background:var(--gradient-main);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}

/* Projects */
.projects__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.project .tags{display:flex;gap:.4rem;margin:0.6rem 0}
.project .tags span{background:linear-gradient(90deg, rgba(130,180,200,0.06), rgba(116,40,114,0.04));padding:.25rem .5rem;border-radius:6px;font-size:.85rem;color:var(--c-deep)}

.team__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.team-card{display:grid;grid-template-columns:96px 1fr;gap:1rem;align-items:center;min-height:220px}
.team-card__photo{width:96px;height:96px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg, rgba(130,180,200,0.18), rgba(199,80,48,0.12));border:1px solid rgba(48,34,85,0.08);box-shadow:inset 0 1px 0 rgba(255,255,255,0.6)}
.team-card__icon{width:56px;height:56px;fill:none;stroke:var(--c-deep);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;opacity:.8}
.team-card__content{display:flex;flex-direction:column}
.team-card__role{margin:0 0 .6rem;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--c-orange)}
.team-card h3{margin:.2rem 0 .6rem}
.team-card p:last-child{margin:0;color:rgba(48,34,85,0.8)}

/* Contact layout */
.contact__inner{display:grid;grid-template-columns:1fr 360px;gap:1.25rem;align-items:start}
.form__row{display:flex;flex-direction:column;margin-bottom:.8rem}
.form__row label{font-size:.9rem;margin-bottom:.25rem;color:rgba(48,34,85,0.9)}
.form__row input,.form__row textarea{background:#fff;border:1px solid rgba(48,34,85,0.06);padding:.6rem;border-radius:8px;color:var(--c-deep)}
.form__actions{margin-top:.6rem}
.contact__card p{margin:.35rem 0}
.muted{color:rgba(48,34,85,0.55);font-size:.9rem}

/* Footer */
.site__footer{border-top:1px solid rgba(48,34,85,0.06);padding:1.25rem 0;margin-top:2rem;background:transparent}
.footer__inner{display:flex;gap:1rem;align-items:center;justify-content:space-between}
.brand__logo--small{width:36px;height:36px}
.footer__links a{margin-left:1rem;color:var(--c-deep);text-decoration:none}

/* Responsive */
@media(max-width:900px){
  .page-links{grid-template-columns:repeat(2,1fr)}
  .hero__inner{grid-template-columns:1fr 300px}
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .projects__grid{grid-template-columns:repeat(2,1fr)}
  .team__grid{grid-template-columns:1fr}
  .about__inner{grid-template-columns:1fr}
  .contact__inner{grid-template-columns:1fr}
}

@media(max-width:600px){
  .header__inner{padding:.6rem 0;align-items:flex-start;flex-direction:column}
  .nav{width:100%}
  .nav__list{display:flex;flex-wrap:wrap;gap:.75rem}
  .hero{padding:2.2rem 0}
  .hero__inner{grid-template-columns:1fr;gap:1.25rem}
  .logo-halo{width:220px;height:220px}
  .page-links{grid-template-columns:1fr}
  .services__grid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .projects__grid{grid-template-columns:1fr}
  .team-card{grid-template-columns:1fr;justify-items:start}
  .footer__inner{flex-direction:column;align-items:flex-start;gap:.75rem}
}