/* ============================================================
   Swiss Sport Advisors — feuille de style unique
   ============================================================ */

:root{
  --ink:#1d1d1d;
  --ink-soft:#4a4a4a;
  --bg:#ffffff;
  --bg-alt:#f5f5f5;
  --dark:#1d1d1d;
  --line:#e2e2e2;
  --head:"Montserrat","Helvetica Neue",Helvetica,Arial,sans-serif;
  --body:"Helvetica Neue",Helvetica,Arial,"Segoe UI",sans-serif;
  --header-h:92px;
  --maxw:1020px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Titres ---------- */
.section-title{
  font-family:var(--head);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:clamp(19px,2.6vw,30px);
  line-height:1.3;
  text-align:center;
  margin:0 0 48px;
  position:relative;
  padding-bottom:22px;
}
/* Filet qui se trace sous le titre à l'arrivée dans l'écran */
.section-title::after{
  content:"";position:absolute;left:50%;bottom:0;
  transform:translateX(-50%);
  width:0;height:2px;background:var(--ink);
  transition:width .85s cubic-bezier(.2,.6,.2,1) .15s;
}
.section-title.is-visible::after{width:52px}
#contact .section-title::after{background:#fff}

/* ---------- Apparition au défilement ---------- */
.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .75s cubic-bezier(.2,.6,.2,1),
             transform .75s cubic-bezier(.2,.6,.2,1);
  transition-delay:calc(var(--i,0) * 80ms);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- En-tête ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--header-h);
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-color:var(--line);box-shadow:0 2px 14px rgba(0,0,0,.05)}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 26px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo img{height:56px;width:auto}

.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  font-family:var(--head);
  font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.14em;
  padding:6px 0;position:relative;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--ink);transition:right .25s ease;
}
.main-nav a:hover::after,.main-nav a.is-active::after{right:0}

.lang{display:flex;align-items:center;gap:2px;margin-left:8px}
.lang a{
  font-family:var(--head);font-size:11px;font-weight:600;letter-spacing:.1em;
  padding:5px 8px;color:#8a8a8a;border-radius:3px;
}
.lang a:hover{color:var(--ink)}
.lang a.is-active{background:var(--dark);color:#fff}

.nav-toggle{
  display:none;border:0;background:none;padding:8px;cursor:pointer;
  width:42px;height:42px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:var(--header-h);
  min-height:min(72vh,620px);
  display:flex;align-items:center;justify-content:center;
  background:#22303a;
  text-align:center;
  padding:80px 24px;
  overflow:hidden;
}
/* Photo en couche séparée pour pouvoir l'animer sans repeindre la section */
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("../img/hero.jpg") center/cover no-repeat;
  transform:scale(1.12);
  animation:hero-zoom 26s cubic-bezier(.2,.5,.2,1) forwards;
}
.hero::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.34)}
@keyframes hero-zoom{to{transform:scale(1)}}

.hero-inner{position:relative;z-index:1;max-width:820px;color:#fff}
.hero blockquote{
  margin:0;
  font-family:var(--head);font-weight:600;
  font-size:clamp(20px,3.2vw,34px);line-height:1.35;
  letter-spacing:.02em;
  text-shadow:0 2px 18px rgba(0,0,0,.4);
  opacity:0;
  animation:rise .95s cubic-bezier(.2,.6,.2,1) .25s forwards;
}
/* Filet qui se trace entre la citation et l'auteur */
.hero blockquote::after{
  content:"";display:block;width:0;height:1px;
  background:rgba(255,255,255,.65);
  margin:26px auto 0;
  animation:rule-grow .9s cubic-bezier(.2,.6,.2,1) .85s forwards;
}
.hero cite{
  display:block;margin-top:18px;font-style:normal;
  font-family:var(--head);font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:.24em;opacity:0;
  animation:rise .95s cubic-bezier(.2,.6,.2,1) .6s forwards;
}
@keyframes rise{
  from{opacity:0;transform:translateY(16px);filter:blur(7px)}
  to{opacity:1;transform:none;filter:blur(0)}
}
@keyframes rule-grow{to{width:70px}}

/* ---------- Sections ---------- */
section[id]{padding:86px 0}
.section-alt{background:var(--bg-alt)}

.intro p{margin:0 0 22px;text-align:justify;color:var(--ink-soft)}
.intro p:last-child{margin-bottom:0}

/* ---------- Direction ---------- */
.board{
  display:grid;grid-template-columns:repeat(2,1fr);gap:56px;
}
.board-card{text-align:center}
.board-card img{
  width:230px;height:230px;border-radius:50%;object-fit:cover;
  margin:0 auto 26px;background:#fff;
}
.board-card h3{
  font-family:var(--head);font-weight:700;font-size:19px;
  text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px;
}
.board-card .role{
  font-family:var(--head);font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:.14em;color:#7a7a7a;
  margin:0 0 26px;line-height:1.9;
}
.board-card .bio{text-align:justify;font-size:15px;color:var(--ink-soft)}
.board-card .bio p{margin:0 0 16px}
.board-card .bio p:last-child{margin-bottom:0}

/* ---------- Partenaires ---------- */
.partners{
  display:grid;grid-template-columns:repeat(4,1fr);gap:34px;
}
.partner{text-align:center}
.partner img.portrait{
  width:170px;height:170px;border-radius:50%;object-fit:cover;
  margin:0 auto 22px;background:#fff;
}
.partner h3{
  font-family:var(--head);font-weight:700;font-size:15px;
  letter-spacing:.04em;margin:0 0 12px;line-height:1.4;
}
.partner .flag{width:34px;height:auto;margin:0 auto 14px;border-radius:2px}
.partner p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.6}

/* ---------- Équipe ---------- */
.team{
  display:grid;grid-template-columns:repeat(2,1fr);gap:44px 56px;
}
.member{display:flex;gap:26px;align-items:flex-start}
.member img{
  width:132px;height:132px;flex:0 0 132px;
  border-radius:50%;object-fit:cover;object-position:center 22%;
  background:#fff;
  /* Les portraits d'équipe sont en noir et blanc : le filtre uniformise
     une photo couleur ajoutée plus tard sans avoir à la retoucher. */
  filter:grayscale(100%);
}
.member h3{
  font-family:var(--head);font-weight:700;font-size:16px;
  text-transform:uppercase;letter-spacing:.07em;margin:0 0 8px;line-height:1.35;
}
.member .role{
  font-family:var(--head);font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:.1em;color:#7a7a7a;margin:0 0 12px;
}
.member p.desc{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.6}

/* ---------- Services ---------- */
.services{
  display:grid;grid-template-columns:repeat(3,1fr);gap:34px;
}
.service{
  background:#fff;border:1px solid var(--line);
  padding:34px 28px;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.service:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.07)}
.service img{width:66px;height:66px;margin:0 auto 20px}
.service h3{
  font-family:var(--head);font-weight:700;font-size:15px;
  text-transform:uppercase;letter-spacing:.12em;margin:0 0 16px;
}
.service p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.65}

/* ---------- Contact ---------- */
#contact{background:var(--dark);color:#fff;padding:86px 0 0}
#contact .section-title{color:#fff}
.contact-grid{
  display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:start;
}
.contact-info img.mark{width:150px;margin-bottom:30px}
.contact-info .who{
  font-family:var(--head);font-weight:600;font-size:15px;letter-spacing:.04em;
  margin:0 0 22px;
}
.contact-info .who a{border-bottom:1px solid rgba(255,255,255,.35)}
.contact-info address{font-style:normal;line-height:1.9;color:#cfcfcf;font-size:15px}
.contact-info address strong{color:#fff;font-weight:600}

.contact-form{display:grid;gap:16px}
.contact-form input,.contact-form textarea{
  width:100%;background:transparent;color:#fff;
  border:0;border-bottom:1px solid rgba(255,255,255,.35);
  padding:12px 2px;font-family:var(--body);font-size:15px;
  transition:border-color .2s ease;
}
.contact-form textarea{resize:vertical;min-height:110px}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#9a9a9a}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#fff}
.contact-form button{
  justify-self:start;margin-top:12px;
  background:#fff;color:var(--ink);border:1px solid #fff;
  font-family:var(--head);font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:.16em;
  padding:14px 34px;cursor:pointer;transition:.2s;
}
.contact-form button:hover{background:transparent;color:#fff}
.form-hp{position:absolute;left:-9999px}

.site-footer{
  margin-top:70px;border-top:1px solid rgba(255,255,255,.14);
  padding:26px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#a5a5a5;
}
.site-footer .swiss{display:flex;align-items:center;gap:9px}
.site-footer .swiss img{width:22px}

/* ---------- Portraits : survol ---------- */
.board-card img,
.partner img.portrait,
.member img{
  transition:transform .45s cubic-bezier(.2,.6,.2,1),
             box-shadow .45s ease,
             filter .45s ease;
}
.board-card:hover img,
.partner:hover img.portrait,
.member:hover img{
  transform:scale(1.05);
  box-shadow:0 0 0 5px rgba(29,29,29,.06), 0 16px 32px rgba(0,0,0,.15);
}
.member:hover img{filter:grayscale(100%) contrast(1.07)}

/* Icônes des services */
.service img{transition:transform .45s cubic-bezier(.2,.6,.2,1)}
.service:hover img{transform:scale(1.09)}

/* ---------- Mouvement réduit : on désactive tout ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}
  .section-title::after{transition:none;width:52px}
  .hero::before{animation:none;transform:none}
  .hero blockquote,.hero cite{opacity:1;animation:none}
  .hero blockquote::after{width:70px;animation:none}
  .board-card img,.partner img.portrait,.member img,.service img{transition:none}
  .board-card:hover img,.partner:hover img.portrait,.member:hover img,.service:hover img{transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .partners{grid-template-columns:repeat(2,1fr);gap:44px 30px}
  .services{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:820px){
  :root{--header-h:74px}
  .logo img{height:44px}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 26px 22px;
    transform:translateY(-140%);transition:transform .3s ease;
    max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  .main-nav.is-open{transform:translateY(0)}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:12px}
  .main-nav a::after{display:none}
  .main-nav .lang{margin:16px 0 0}
  .hero{min-height:66vh}
  .hero::before{background-image:url("../img/hero-mobile.jpg")}
  section[id]{padding:62px 0}
  .board,.team{grid-template-columns:1fr;gap:48px}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .site-footer{flex-direction:column;text-align:center}
}

@media (max-width:560px){
  .partners,.services{grid-template-columns:1fr}
  .member{flex-direction:column;align-items:center;text-align:center;gap:18px}
  .board-card .bio,.intro p{text-align:left}
}

@media (min-width:821px){
  .main-nav{transform:none!important}
}