/* ===================================================================
   RIVAGE TRANSPORT — feuille de style
   Palette : marine profond + or, typo serif élégante + sans géométrique
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500;600&display=swap');

:root{
  --navy-950:#070f19;
  --navy-900:#0a1826;
  --navy-800:#101f30;
  --navy-700:#16293c;
  --navy-line: rgba(198,161,91,0.22);
  --gold:#c6a15b;
  --gold-light:#e4c989;
  --gold-dim: rgba(198,161,91,0.55);
  --ivory:#f3efe7;
  --slate:#93a1b0;
  --slate-dim:#5f6d7c;
  --max: 1180px;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--ivory);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;margin:0;color:var(--ivory);}
p{margin:0;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}

::selection{background:var(--gold);color:var(--navy-950);}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--gold-light);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;
  font-family:var(--sans);font-size:14px;letter-spacing:0.06em;
  border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:background .25s ease, color .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--gold);color:var(--navy-950);font-weight:500;}
.btn-primary:hover{background:var(--gold-light);}
.btn-ghost{border-color:var(--gold-dim);color:var(--ivory);}
.btn-ghost:hover{border-color:var(--gold);background:rgba(198,161,91,0.08);}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;
  transition:background .35s ease, padding .35s ease, box-shadow .35s ease;
  background:linear-gradient(to bottom, rgba(7,15,25,0.65), rgba(7,15,25,0));
}
.site-header.scrolled{
  background:rgba(7,15,25,0.94);
  padding:10px 0;
  box-shadow:0 1px 0 var(--navy-line);
  backdrop-filter:blur(6px);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo-link{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-link img{height:64px;width:auto;transition:height .35s ease;}
.site-header.scrolled .logo-link img{height:50px;}

.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-size:13px;letter-spacing:0.09em;text-transform:uppercase;color:var(--ivory);
  position:relative;padding-bottom:4px;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);
  transition:width .25s ease;
}
.main-nav a:hover::after{width:100%;}

.header-right{display:flex;align-items:center;gap:26px;}
.lang-switch{display:flex;align-items:flex-start;gap:14px;font-size:12px;letter-spacing:0.05em;color:var(--slate);}
.lang-switch button{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:none;border:none;color:var(--slate);cursor:pointer;font-family:var(--sans);
  font-size:11.5px;padding:2px 3px;letter-spacing:0.06em;opacity:0.6;transition:opacity .2s ease;
}
.lang-switch button .flag{font-size:15px;line-height:1;}
.lang-switch button:hover{opacity:0.85;}
.lang-switch button.active{color:var(--gold-light);opacity:1;}
.header-phone{font-size:14px;letter-spacing:0.03em;color:var(--ivory);white-space:nowrap;}
.header-phone strong{color:var(--gold-light);font-weight:500;}

.nav-toggle{display:none;background:none;border:none;color:var(--ivory);font-size:26px;cursor:pointer;}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:flex-end;
  background:#0c1420;
  overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:60% 40%;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,13,22,0.55) 0%, rgba(7,13,22,0.35) 30%, rgba(7,13,22,0.88) 100%),
             linear-gradient(90deg, rgba(7,13,22,0.75) 0%, rgba(7,13,22,0.15) 55%);
}
.hero-content{position:relative;z-index:1;padding:180px 0 90px;width:100%;}
.hero-content .wave-mark{width:120px;opacity:0.9;margin-bottom:22px;}
.hero-content h1{
  font-size:clamp(34px, 5.4vw, 64px);
  max-width:760px;line-height:1.12;font-weight:500;
  color:var(--ivory);
}
.hero-content h1 em{font-style:italic;color:var(--gold-light);}
.hero-sub{
  margin-top:26px;max-width:480px;font-size:16px;color:#d6dde4;font-weight:300;line-height:1.7;
}
.hero-actions{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-strip{
  margin-top:64px;padding-top:26px;border-top:1px solid var(--navy-line);
  display:flex;flex-wrap:wrap;gap:34px;
}
.hero-strip div{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--slate);}
.hero-strip strong{display:block;font-family:var(--serif);font-size:20px;color:var(--gold-light);font-weight:500;letter-spacing:0;text-transform:none;margin-bottom:4px;}

/* ---------- section shell ---------- */
section{padding:120px 0;position:relative;}
.section-head{max-width:640px;margin-bottom:64px;}
.section-head .kicker{
  font-size:13px;color:var(--gold);letter-spacing:0.14em;font-family:var(--sans);
}
.section-head h2{font-size:clamp(28px,3.6vw,42px);margin-top:14px;line-height:1.2;}
.section-head p{margin-top:20px;color:var(--slate);font-size:16px;max-width:540px;}

.wave-divider{display:block;width:150px;height:auto;opacity:0.85;margin:0 auto;}
.wave-divider.left{margin:0 0 18px;}

/* ---------- about / équipe ---------- */
#about{padding-top:70px;}
.about-grid{
  margin-top:50px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;
}
.about-media{position:relative;}
.about-media > img:first-child{width:100%;border-radius:2px;}
.about-media-small{
  position:absolute;width:56%;bottom:-40px;right:-40px;border:6px solid var(--navy-900);border-radius:2px;
  box-shadow:0 20px 40px rgba(0,0,0,0.45);
}
.about-text p{color:var(--slate);font-size:15.5px;line-height:1.85;margin-top:20px;}
.about-text h2{margin-top:14px;font-size:clamp(26px,3.2vw,36px);line-height:1.25;}
.about-cta{margin-top:34px;}

/* ---------- fondateur ---------- */
#fondateur{padding:90px 0;}
.founder-card{
  background:var(--navy-800);border:1px solid var(--navy-line);border-radius:3px;
  display:grid;grid-template-columns:220px 1fr;gap:50px;align-items:center;
  padding:50px 60px;
}
.founder-media img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:2px;
  border:1px solid var(--navy-line);
}
.founder-text p{color:var(--slate);font-size:15.5px;line-height:1.85;margin-top:18px;}
.founder-text h2{margin-top:12px;font-size:clamp(24px,2.8vw,32px);line-height:1.25;}

/* ---------- lightbox ---------- */
.gallery-item{cursor:zoom-in;}
.lightbox{
  position:fixed;inset:0;background:rgba(5,10,17,0.94);z-index:1000;
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;
  opacity:0;pointer-events:none;transition:opacity .3s ease;padding:40px;
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox img{max-width:min(90vw,1000px);max-height:78vh;object-fit:contain;border-radius:2px;}
.lightbox-cap{color:var(--gold-light);font-family:var(--serif);font-style:italic;font-size:19px;}
.lightbox-close{
  position:absolute;top:26px;right:32px;background:none;border:1px solid var(--navy-line);
  color:var(--ivory);width:42px;height:42px;border-radius:50%;font-size:16px;cursor:pointer;
}
.lightbox-close:hover{border-color:var(--gold);color:var(--gold-light);}

/* ---------- services ---------- */
.services-list{margin-top:20px;}
.service-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--navy-line);
}
.service-row:first-child{padding-top:0;}
.service-row:last-child{border-bottom:none;}
.service-row.reverse .service-media{order:2;}
.service-row.reverse .service-text{order:1;}
.service-media{position:relative;overflow:hidden;border-radius:2px;}
.service-media img{width:100%;height:380px;object-fit:cover;transition:transform 0.6s ease;}
.service-row:hover .service-media img{transform:scale(1.035);}
.service-media.two-up{display:flex;flex-direction:column;gap:6px;}
.service-media.two-up img{width:100%;object-fit:cover;}
.service-media.two-up img:first-child{height:270px;}
.service-media.two-up img:last-child{height:126px;}
.service-media.two-up.contain img{object-fit:contain;background:var(--navy-900);}
.service-media.two-up.contain img:first-child{height:244px;}
.service-media.two-up.contain img:last-child{height:130px;}

.service-media.three-up{display:flex;flex-direction:column;gap:6px;}
.service-media.three-up > img{width:100%;height:220px;object-fit:contain;background:var(--navy-900);}
.service-media.three-up .row2{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
.service-media.three-up .row2 img{width:100%;height:154px;object-fit:contain;background:var(--navy-900);}
.service-media.portrait{background:var(--navy-900);}
.service-media.portrait img{height:380px;object-fit:contain;}
.service-index{
  font-family:var(--serif);font-size:15px;color:var(--gold);letter-spacing:0.08em;
  display:block;margin-bottom:14px;
}
.service-text h3{font-size:28px;margin-bottom:16px;}
.service-text p{color:var(--slate);font-size:15.5px;line-height:1.8;}

.trust-strip{
  margin-top:100px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;
  padding-top:56px;border-top:1px solid var(--navy-line);
}
.trust-item h4{font-family:var(--sans);font-weight:500;font-size:14px;letter-spacing:0.06em;text-transform:uppercase;color:var(--gold-light);margin-bottom:10px;}
.trust-item p{color:var(--slate);font-size:14.5px;line-height:1.7;}

/* ---------- galerie ---------- */
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:260px;gap:10px;
}
.gallery-item{position:relative;overflow:hidden;border-radius:2px;background:var(--navy-900);}
.gallery-item img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.05);}
.gallery-item .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px 12px;
  background:linear-gradient(to top, rgba(7,13,22,0.85), transparent);
  font-size:12.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--ivory);
  opacity:0;transform:translateY(6px);transition:opacity .3s ease, transform .3s ease;
}
.gallery-item:hover .cap{opacity:1;transform:translateY(0);}
.g-a{grid-column:span 2;grid-row:span 2;}
.g-b,.g-c,.g-d,.g-e,.g-f,.g-g{grid-column:span 1;grid-row:span 1;}

/* ---------- tarifs ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--navy-line);}
.price-card{padding:44px 34px;border-left:1px solid var(--navy-line);position:relative;}
.price-card:first-child{border-left:none;}
.price-card.featured{background:var(--navy-800);}
.price-tag{font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold);}
.price-card h3{font-size:30px;margin:12px 0 10px;}
.price-card .price-baseline{font-family:var(--serif);font-style:italic;color:var(--slate);font-size:16px;margin-bottom:28px;display:block;}
.price-card ul{margin-top:0;}
.price-card li{
  padding:13px 0;border-top:1px solid var(--navy-line);
  font-size:14.5px;color:#d3dae1;display:flex;gap:10px;
}
.price-card li:first-of-type{border-top:none;}
.price-card li::before{content:"—";color:var(--gold);flex-shrink:0;}
.pricing-note{
  margin-top:44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  padding-top:32px;border-top:1px solid var(--navy-line);
}
.pricing-note p{color:var(--slate);max-width:480px;font-size:15px;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:80px;}
.contact-info h3{font-size:24px;margin-bottom:22px;}
.contact-line{display:flex;flex-direction:column;gap:2px;padding:18px 0;border-top:1px solid var(--navy-line);}
.contact-line:last-child{border-bottom:1px solid var(--navy-line);}
.contact-line span.label{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--slate-dim);}
.contact-line a, .contact-line p{font-size:16px;color:var(--ivory);}
.social-line{margin-top:28px;}
.social-line a{color:var(--gold-light);font-size:14px;letter-spacing:0.04em;border-bottom:1px solid var(--gold-dim);padding-bottom:2px;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.form-grid .full{grid-column:1 / -1;}
.field label{display:block;font-size:12px;letter-spacing:0.07em;text-transform:uppercase;color:var(--slate);margin-bottom:9px;}
.field input, .field select, .field textarea{
  width:100%;background:transparent;border:none;border-bottom:1px solid var(--navy-line);
  color:var(--ivory);font-family:var(--sans);font-size:15.5px;padding:10px 2px;
  transition:border-color .25s ease;
}
.field select option{background:var(--navy-800);color:var(--ivory);}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--gold);outline:none;}
.field textarea{resize:vertical;min-height:100px;}
.form-grid .btn{margin-top:8px;}
.form-note{font-size:13px;color:var(--slate-dim);margin-top:14px;}

/* ---------- footer ---------- */
footer{padding:70px 0 34px;border-top:1px solid var(--navy-line);}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;}
.footer-brand img{height:30px;margin-bottom:16px;}
.footer-brand p{color:var(--slate);font-size:14px;max-width:260px;line-height:1.7;}
.footer-col h5{font-size:13px;letter-spacing:0.08em;text-transform:uppercase;color:var(--gold-light);margin-bottom:18px;font-weight:500;font-family:var(--sans);}
.footer-col ul li{margin-bottom:11px;}
.footer-col a, .footer-col p{color:var(--slate);font-size:14.5px;}
.footer-col a:hover{color:var(--ivory);}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:26px;border-top:1px solid var(--navy-line);
  font-size:12.5px;color:var(--slate-dim);
}

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:78%;max-width:340px;
    background:var(--navy-950);flex-direction:column;align-items:flex-start;
    padding:110px 34px 40px;gap:26px;transform:translateX(100%);transition:transform .35s ease;
    box-shadow:-8px 0 30px rgba(0,0,0,0.4);
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:block;order:3;}
  .header-phone{display:none;}
  .header-right{gap:14px;}

  .about-grid{grid-template-columns:1fr;gap:60px;}
  .about-media-small{width:60%;bottom:-30px;right:-16px;}

  .founder-card{grid-template-columns:1fr;gap:28px;padding:36px 30px;text-align:center;}
  .founder-media img{max-width:200px;margin:0 auto;}

  .service-row, .service-row.reverse{grid-template-columns:1fr;gap:26px;}
  .service-row .service-text, .service-row.reverse .service-text{order:1;}
  .service-row .service-media, .service-row.reverse .service-media{order:2;}
  .trust-strip{grid-template-columns:repeat(2,1fr);gap:32px 24px;}

  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px;}
  .g-a{grid-column:span 2;grid-row:span 1;}
  .g-b,.g-c,.g-d,.g-e,.g-f,.g-g{grid-column:span 1;grid-row:span 1;}

  .pricing-grid{grid-template-columns:1fr;}
  .price-card{border-left:none;border-top:1px solid var(--navy-line);}
  .price-card:first-child{border-top:none;}

  .contact-grid{grid-template-columns:1fr;gap:50px;}
  .form-grid{grid-template-columns:1fr;}

  .footer-top{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width: 560px){
  .wrap{padding:0 20px;}
  section{padding:80px 0;}
  .hero-content{padding-top:150px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .footer-top{grid-template-columns:1fr;}
}