/* ============================================================
   ALVERIS — SEO Pages Stylesheet
   Charte graphique alignée sur alveris.fr (noir / crème / or)
   ============================================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}

:root{
  --black:#0a0a0a;
  --white:#fafaf8;
  --white2:#f5f4f0;
  --gold:#c8a96d;
  --gold2:#b8935a;
  --gold-pale:#f0e8d6;
  --sand:#eceae2;
  --sand2:#e3e0d6;
  --sand3:#d5d0c5;
  --mid:#5c5854;
  --mid2:#9a938c;
  --light:#d8d4cb;
  --light2:#eae8e0;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'DM Sans',sans-serif;
  --nav-h:68px;
  --container:1180px;
}

html{scroll-behavior:smooth;overflow-x:hidden;}

body{
  background:var(--white);
  color:var(--black);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.7;
  overflow-x:hidden;
}

a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;object-fit:cover;}
ul{list-style:none;}
h1,h2,h3{font-family:var(--serif);font-weight:400;}

/* ============ NAV ============ */
nav{
  position:sticky;top:0;z-index:300;
  background:rgba(250,250,248,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--light2);
}
.nav-inner{
  max-width:1400px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 40px;height:var(--nav-h);
  gap:24px;
}
.logo-wrap{display:flex;align-items:center;gap:11px;}
.logo-wrap svg{flex:none;}
.logo-name{
  font-family:var(--serif);font-size:22px;letter-spacing:6px;color:var(--black);
}
.nav-links{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;
}
.nav-links a{
  display:block;padding:8px 14px;font-size:11px;letter-spacing:.88px;
  text-transform:uppercase;color:var(--black);border-radius:2px;
  transition:color .2s;
}
.nav-links a:hover,.nav-links a.cur{color:var(--gold2);}
.nav-cta{
  flex:none;border:.8px solid var(--black);border-radius:2px;
  padding:8px 19px;font-size:10px;letter-spacing:1.2px;text-transform:uppercase;
  font-weight:500;transition:background .2s,color .2s;white-space:nowrap;
}
.nav-cta:hover{background:var(--black);color:var(--white);}

.breadcrumb{
  max-width:var(--container);margin:0 auto;
  padding:18px 40px 0;
  font-size:12px;color:var(--mid);letter-spacing:.3px;
}
.breadcrumb a{color:var(--mid);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:var(--gold2);border-bottom-color:var(--gold2);}

/* ============ HERO ============ */
.sector-hero{
  position:relative;
  height:clamp(340px,52vw,560px);
  width:100%;
  margin-top:18px;
  overflow:hidden;
  background:var(--black);
}
.sector-hero>img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center;
}
.sector-hero-overlay{
  position:absolute;inset:0;
}
.sector-hero-content{
  position:absolute;left:0;right:0;bottom:0;
  max-width:var(--container);margin:0 auto;
  padding:0 40px 44px;
  color:var(--white);
}
.sector-badge{
  display:inline-block;
  font-size:11px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold);
  border:1px solid rgba(200,169,109,.55);
  border-radius:2px;
  padding:6px 14px;
  margin-bottom:18px;
  background:rgba(10,10,10,.25);
}
.sector-hero-title{
  font-size:clamp(32px,5vw,56px);
  font-weight:300;
  line-height:1.08;
  letter-spacing:-.5px;
  color:var(--white);
  max-width:820px;
  margin-bottom:14px;
}
.sector-hero-sub{
  font-family:var(--sans);
  font-size:clamp(14px,1.6vw,17px);
  line-height:1.6;
  color:var(--light2);
  max-width:640px;
}

/* ============ BODY / TWO-COLUMN ============ */
.sector-body{
  max-width:var(--container);margin:0 auto;
  padding:64px 40px;
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:56px;
  align-items:start;
}
.sector-left .sector-lead{
  font-family:var(--serif);
  font-size:clamp(19px,2.2vw,24px);
  line-height:1.5;
  color:var(--black);
  margin-bottom:22px;
}
.sector-left .sector-text{
  font-size:15px;line-height:1.75;color:var(--mid);margin-bottom:18px;
}
.sector-left .sector-text:last-of-type{margin-bottom:26px;}
.sector-pill{
  display:inline-block;
  font-size:11px;letter-spacing:.6px;text-transform:uppercase;
  color:var(--black);
  background:var(--sand);
  border:1px solid var(--sand3);
  border-radius:20px;
  padding:7px 15px;
  margin:0 8px 8px 0;
}
.sector-right{
  background:var(--white2);
  border:1px solid var(--light2);
  border-left:3px solid var(--gold);
  border-radius:4px;
  padding:32px 30px;
  position:sticky;top:calc(var(--nav-h) + 24px);
}
.sector-right h3{
  font-size:19px;font-weight:500;font-family:var(--sans);
  color:var(--black);margin-bottom:16px;
}
.sector-right ul{margin-bottom:22px;}
.sector-right li{
  font-size:14px;color:var(--mid);line-height:1.7;
  padding-left:18px;position:relative;margin-bottom:8px;
}
.sector-right li::before{
  content:'';position:absolute;left:0;top:9px;
  width:6px;height:1px;background:var(--gold2);
}
.sector-right .sector-text{
  font-size:13.5px;line-height:1.7;color:var(--mid);
  border-top:1px solid var(--light2);padding-top:18px;
}

/* ============ SECTIONS (FAQ / RELATED) ============ */
.section{
  max-width:var(--container);margin:0 auto;
  padding:56px 40px;
}
.section.bg-sand{
  max-width:none;background:var(--sand);
}
.section.bg-sand>*{max-width:var(--container);margin-left:auto;margin-right:auto;}
.slabel{
  font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold2);
  margin-bottom:10px;
}
.stitle{
  font-size:clamp(24px,3vw,34px);font-weight:400;color:var(--black);margin-bottom:32px;
}

.faq-item{
  border-top:1px solid var(--sand3);
  padding:22px 0;
}
.faq-item:last-child{border-bottom:1px solid var(--sand3);}
.faq-q{
  font-family:var(--sans);font-weight:500;font-size:16px;color:var(--black);margin-bottom:10px;
}
.faq-a{
  font-size:14.5px;line-height:1.7;color:var(--mid);max-width:760px;
}

.related-pages{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.related-card{
  display:block;background:var(--white);border:1px solid var(--light2);
  border-radius:4px;padding:26px 24px;transition:border-color .2s,transform .2s;
}
.related-card:hover{border-color:var(--gold);transform:translateY(-2px);}
.rc-label{
  font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--gold2);margin-bottom:10px;
}
.rc-title{font-family:var(--serif);font-size:19px;color:var(--black);}

/* ============ CTA BAR ============ */
.sector-cta-bar{
  background:var(--black);
  padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.sector-cta-text{
  color:var(--white);font-family:var(--serif);font-size:clamp(19px,2.4vw,26px);
  max-width:640px;
}
.btn-dark{
  flex:none;
  background:var(--gold);color:var(--black);
  padding:14px 28px;border-radius:2px;
  font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:500;
  transition:background .2s;white-space:nowrap;
}
.btn-dark:hover{background:var(--gold2);}

/* ============ FOOTER ============ */
footer{
  background:var(--sand);
  padding:48px 40px 28px;
}
.foot-logo{
  display:flex;align-items:center;gap:10px;margin-bottom:28px;
}
.foot-name{
  font-family:var(--serif);font-size:19px;letter-spacing:5px;color:var(--black);
}
.foot-links-wrap{
  max-width:var(--container);margin:0 auto;
  display:flex;gap:64px;flex-wrap:wrap;
  padding-bottom:28px;border-bottom:1px solid var(--sand3);
  margin-bottom:20px;
}
.foot-col-title{
  font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--mid);margin-bottom:14px;
}
.foot-col a{
  display:block;font-size:14px;color:var(--black);margin-bottom:10px;
}
.foot-col a:hover{color:var(--gold2);}
.foot-right,.foot-copy{
  max-width:var(--container);margin:0 auto;
  font-size:12.5px;color:var(--mid);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .sector-body{grid-template-columns:1fr;gap:36px;padding:48px 28px;}
  .sector-right{position:static;}
  .related-pages{grid-template-columns:1fr 1fr;}
  .section{padding:44px 28px;}
  .nav-inner{padding:0 24px;}
  .breadcrumb{padding:16px 24px 0;}
  .sector-hero-content{padding:0 24px 32px;}
  .sector-cta-bar{padding:40px 28px;}
  footer{padding:40px 24px 24px;}
}

@media (max-width:640px){
  nav{position:static;}
  .nav-inner{
    flex-wrap:wrap;height:auto;padding:16px 20px;row-gap:12px;
    justify-content:center;text-align:center;
  }
  .logo-wrap{order:1;flex:0 0 100%;justify-content:center;}
  .nav-links{
    order:2;flex:0 0 100%;justify-content:center;gap:2px;
  }
  .nav-links a{padding:6px 10px;font-size:10px;}
  .nav-cta{order:3;flex:0 0 100%;text-align:center;}

  .sector-hero{height:clamp(260px,72vw,380px);margin-top:0;}
  .sector-badge{font-size:10px;padding:5px 11px;margin-bottom:12px;}
  .sector-hero-title{font-size:clamp(26px,7vw,34px);margin-bottom:10px;}
  .sector-hero-sub{display:none;}
  .sector-hero-content{padding:0 20px 24px;}

  .sector-body{padding:36px 20px;}
  .sector-left .sector-lead{font-size:18px;}
  .sector-right{padding:24px 20px;}

  .section{padding:36px 20px;}
  .related-pages{grid-template-columns:1fr;}

  .sector-cta-bar{flex-direction:column;align-items:flex-start;padding:32px 20px;}
  .btn-dark{width:100%;text-align:center;}

  .foot-links-wrap{flex-direction:column;gap:24px;}
  footer{padding:36px 20px 20px;}
}

@media (max-width:380px){
  .logo-name{font-size:19px;letter-spacing:4px;}
  .sector-hero-title{font-size:24px;}
}