/* ==========================================================================
   ALTHEMA — Page d'accueil (page d'attente)
   Mobile-first, breakpoints : 600px (tablette), 1024px (desktop)
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face{font-family:"PT Sans";src:url("../fonts/PTSans-Regular.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:"PT Sans";src:url("../fonts/PTSans-Italic.ttf") format("truetype");font-weight:400;font-style:italic;font-display:swap;}
@font-face{font-family:"PT Sans";src:url("../fonts/PTSans-Bold.ttf") format("truetype");font-weight:700;font-style:normal;font-display:swap;}
@font-face{font-family:"PT Sans";src:url("../fonts/PTSans-BoldItalic.ttf") format("truetype");font-weight:700;font-style:italic;font-display:swap;}
@font-face{font-family:"PT Serif";src:url("../fonts/PTSerif-Regular.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:"PT Serif";src:url("../fonts/PTSerif-Italic.ttf") format("truetype");font-weight:400;font-style:italic;font-display:swap;}
@font-face{font-family:"PT Serif";src:url("../fonts/PTSerif-Bold.ttf") format("truetype");font-weight:700;font-style:normal;font-display:swap;}
@font-face{font-family:"PT Serif";src:url("../fonts/PTSerif-BoldItalic.ttf") format("truetype");font-weight:700;font-style:italic;font-display:swap;}

/* ---------- Tokens ---------- */
:root{
  --teal:#00606D;
  --teal-dark:#004b56;
  --mint:#D9F8EB;
  --cta:#F1884B;
  --cta-hover:#e5763a;
  --ink:#1E1E1E;
  --bg:#FFFCF7;
  --white:#FFFFFF;

  --font-display:"PT Serif", Georgia, serif;
  --font-body:"PT Sans", Verdana, sans-serif;

  --radius-lg:28px;
  --radius-md:20px;
  --radius-pill:999px;

  --container:1200px;
  --gutter:24px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
em, .accent{
  font-family:var(--font-display);
  font-style:italic;
  font-weight:700;
}
.visually-hidden{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
:focus-visible{outline:3px solid var(--cta);outline-offset:3px;}

.btn-cta{
  display:inline-block;
  background:var(--cta);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:700;
  font-size:0.95rem;
  text-decoration:none;
  padding:14px 30px;
  border-radius:var(--radius-pill);
  border:none;
  cursor:pointer;
  transition:background-color .2s ease, transform .2s ease;
}
.btn-cta:hover,.btn-cta:focus-visible{
  background:var(--cta-hover);
  transform:translateY(-1px);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  background:var(--teal);
  color:var(--white);
  padding:32px 0 40px;
}
.hero__brandbar{
  display:flex;
  justify-content:center;
  margin-bottom:32px;
}
.hero__brandbar img{height:28px;width:auto;aspect-ratio:353/152;}

.hero__content{
  text-align:center;
  max-width:640px;
  margin-inline:auto;
}
.hero h1{
  font-family:var(--font-display);
  font-style:italic;
  font-weight:700;
  font-size:1.9rem;
  line-height:1.2;
  margin-bottom:20px;
}
.hero h1 .light{
  font-weight:400;
}
.hero__lead{
  font-weight:700;
  font-size:1rem;
  margin-bottom:16px;
}
.hero__text{
  font-size:1rem;
  margin-bottom:16px;
  color:rgba(255,255,255,0.92);
}
.hero__cta{
  margin-top:24px;
}
.hero__mark{
  margin:40px auto 0;
  max-width:200px;
}
.hero__mark img{
  width:100%;
  height:auto;
  aspect-ratio:354/290; /* ratio réel du fichier logo_vertical.png : empêche toute déformation */
}

/* ==========================================================================
   INTRO / MISSION
   ========================================================================== */
.mission{
  padding:56px 0 8px;
  text-align:center;
}
.mission h2{
  font-family:var(--font-display);
  font-size:1.5rem;
  line-height:1.3;
  font-weight:400;
  max-width:680px;
  margin-inline:auto;
}

/* ==========================================================================
   SERVICES (cards)
   ========================================================================== */
.services{
  padding:40px 0 16px;
}
.services__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.card{
  background:var(--mint);
  border-radius:var(--radius-lg);
  padding:32px 28px 36px;
}
.card__icon{
  width:72px;
  height:72px;
  margin-bottom:20px;
}
.card h3{
  font-family:var(--font-display);
  font-style:italic;
  font-weight:700;
  font-size:1.2rem;
  line-height:1.35;
  margin-bottom:14px;
}
.card p{
  font-size:1rem;
  line-height:1.6;
}

/* ==========================================================================
   CHIFFRES CLES
   ========================================================================== */
.stats{
  padding:56px 0 16px;
  text-align:center;
}
.stats h2{
  font-family:var(--font-display);
  font-weight:400;
  font-size:1.5rem;
  line-height:1.3;
  margin-bottom:28px;
}
.stats__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  justify-content:center;
}
.stat-card{
  background:var(--teal);
  color:var(--white);
  border-radius:var(--radius-md);
  padding:26px 12px;
  text-align:center;
}
.stat-card__number{
  display:block;
  font-family:var(--font-display);
  font-style:italic;
  font-weight:700;
  font-size:1.6rem;
  line-height:1.2;
  margin-bottom:4px;
}
.stat-card__label{
  font-size:0.85rem;
}

/* ==========================================================================
   TRUST / LOGOS
   ========================================================================== */
.trust{
  padding:56px 0 16px;
  text-align:center;
}
.trust h2{
  font-family:var(--font-display);
  font-weight:400;
  font-size:1.5rem;
  line-height:1.3;
  margin-bottom:32px;
}
.trust__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px 12px;
  align-items:center;
  justify-items:center;
  justify-content:center;
}
.trust__logo{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:72px;
}
.trust__logo img{
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact{
  padding:56px 0 8px;
  text-align:center;
}
.container.container--narrow{
  max-width:560px;
}
.contact h2{
  font-family:var(--font-display);
  font-size:1.5rem;
  font-weight:400;
  line-height:1.3;
  margin-bottom:16px;
}
.contact__lead{
  font-size:1rem;
  margin-bottom:24px;
  color:rgba(30,30,30,0.75);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  background:var(--teal);
  color:var(--white);
  margin-top:56px;
  padding:40px 0 0;
}
.footer__inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:48px;
  text-align:center;
  padding-bottom:32px;
}
.footer__logo img{
  width:100%;
  max-width:353px;
  height:auto;
  aspect-ratio:353/152;
  margin-inline:auto;
}
.footer__info p{font-size:1rem;line-height:1.5;}
.footer__info p:first-child{font-weight:700;margin-bottom:4px;}
.footer__actions{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:24px;
}
.footer__social{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--white);
  color:var(--teal);
}
.footer__social svg{width:18px;height:18px;fill:currentColor;}
.footer__legal{
  border-top:1px solid rgba(255,255,255,0.18);
  padding:16px var(--gutter) 20px;
  text-align:center;
}
.footer__legal p{
  font-size:0.75rem;
  color:rgba(255,255,255,0.7);
}

/* ==========================================================================
   TABLETTE — 600px+
   ========================================================================== */
@media (min-width:600px){
  .hero h1{font-size:2.3rem;}
  .stats__grid{grid-template-columns:repeat(4,1fr);}
  .trust__grid{grid-template-columns:repeat(4,1fr);}
  .services__grid{grid-template-columns:repeat(2,1fr);}
  .services__grid .card:last-child{grid-column:1 / -1;max-width:calc(50% - 10px);margin-inline:auto;}
}

/* ==========================================================================
   DESKTOP — 1024px+  (recompose la maquette d'origine)
   ========================================================================== */
@media (min-width:1024px){
  .container{
    width:calc(100% - 400px);
    max-width:1520px;
    margin-inline:auto;
    padding-inline:0;
  }

  .hero{padding:64px 0 72px;}
  .hero__inner{
    display:grid;
    grid-template-columns:1.3fr 0.7fr;
    align-items:center;
    gap:40px;
    text-align:left;
  }
  .hero__brandbar{display:none;}
  .hero__content{text-align:left;margin:0;max-width:560px;}
  .hero h1{font-size:2.75rem;}
  .hero__mark{
    margin:0;
    min-width:0;
    width:100%;
    max-width:340px;
    aspect-ratio:340/290;
  }
  .hero__mark img{
    width:100%;
    height:100%;
    object-fit:contain;
  }

  .mission h2,
  .stats h2,
  .trust h2,
  .contact h2{font-size:1.9rem;}

  .services__grid{grid-template-columns:repeat(3,1fr);}
  .services__grid .card:last-child{grid-column:auto;max-width:none;}

  .stats__grid{
    display:flex;
    flex-wrap:wrap;
    gap:24px;
    justify-content:center;
  }
  .stat-card{width:240px;padding:34px 16px;}
  .stat-card__number{font-size:2rem;}

  .trust__grid{
    display:flex;
    flex-wrap:wrap;
    gap:24px;
    justify-content:center;
  }
  .trust__logo{width:130px;height:130px;}

  .footer__inner{
    flex-direction:row;
    align-items:flex-start;
    justify-content:space-between;
    text-align:left;
    padding-top:8px;
  }
  .footer__logo img{margin-inline:0;}
  .footer__row{
    display:flex;
    align-items:flex-start;
    gap:48px;
  }
  .footer__divider{
    width:1px;
    align-self:stretch;
    background:rgba(255,255,255,0.25);
  }
}