/* =========================================================
   Yagao Agency — feuille de style
   ========================================================= */

:root{
  --bg:#2e2e2e;
  --bg-2:#262626;
  --bg-3:#1c1c1c;
  --ink:#f2f2f2;
  --ink-soft:#b9b9b9;
  --ink-dim:#8b8b8b;
  --accent:#d9e34a;
  --pill:#6d6d6d;
  --line:rgba(255,255,255,.14);
  --pad:clamp(20px, 5vw, 96px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:76px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
h1,h2,h3{margin:0;line-height:.95;letter-spacing:-.035em;font-weight:800}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
em{font-style:italic}

/* ---------- éléments partagés ---------- */
.huge{
  font-size:clamp(44px,8.2vw,132px);
  font-weight:800;
  letter-spacing:-.04em;
  line-height:.88;
}
.huge.right{text-align:right}
.huge em{
  font-family:'Playfair Display',Georgia,serif;
  font-style:italic;
  font-weight:700;
  color:var(--accent);
  letter-spacing:-.02em;
}
.pill{
  display:inline-block;
  background:var(--pill);
  color:#fff;
  font-weight:700;
  font-size:clamp(16px,1.9vw,27px);
  letter-spacing:-.01em;
  padding:.42em 1.05em;
  border-radius:999px;
  white-space:nowrap;
}
.pill--sm{font-size:clamp(14px,1.5vw,20px)}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
  padding:16px var(--pad);
  transition:background .3s ease, backdrop-filter .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(28,28,28,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav__logo{font-weight:900;letter-spacing:.02em;font-size:20px}
.nav__logo span{color:var(--accent)}
.nav__links{display:flex;align-items:center;gap:clamp(14px,2vw,30px)}
.nav__links a{
  font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:color .2s;
}
.nav__links a:hover{color:var(--accent)}
.nav__cta{
  border:1px solid var(--line);border-radius:999px;
  padding:8px 18px;color:var(--ink)!important;
}
.nav__cta:hover{background:var(--accent);border-color:var(--accent);color:#1c1c1c!important}
.nav__burger{display:none;flex-direction:column;gap:5px;padding:8px}
.nav__burger span{display:block;width:22px;height:2px;background:var(--ink)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;justify-content:flex-end;
  padding:clamp(90px,12vh,140px) var(--pad) clamp(40px,8vh,80px);
  overflow:hidden;
  background:var(--bg-3);
}
.hero__bg{
  position:absolute;inset:-15%;
  filter:brightness(1.25) blur(30px);
}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(15,15,15,.1) 0%, rgba(15,15,15,.44) 36%, rgba(13,13,13,.84) 60%, rgba(13,13,13,.92) 100%),
    linear-gradient(to top, #131313 0%, rgba(19,19,19,0) 34%),
    linear-gradient(to bottom, rgba(19,19,19,.7) 0%, rgba(19,19,19,0) 22%);
}
.hero__frame{
  position:relative;z-index:2;
  width:min(660px,100%);
  border:1px solid rgba(255,255,255,.55);
  padding:clamp(26px,3.4vw,44px);
  display:flex;flex-direction:column;
  min-height:clamp(360px,52vh,520px);
}
.hero__eyebrow{
  font-size:clamp(13px,1.35vw,19px);
  font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;
  margin-bottom:clamp(14px,2vw,26px);
}
.hero__eyebrow em{font-weight:700}
.hero__title{display:flex;flex-direction:column}
.hero__title .l1,
.hero__title .l3{
  font-size:clamp(40px,5.6vw,86px);
  font-weight:800;letter-spacing:-.045em;line-height:.98;
}
.hero__title .l3{font-size:clamp(27px,3.35vw,50px);white-space:nowrap}
.hero__title .l2{
  font-family:'Playfair Display',Georgia,serif;
  font-style:italic;font-weight:700;
  color:var(--accent);
  font-size:clamp(44px,6.2vw,94px);
  line-height:1.06;
  letter-spacing:-.02em;
  margin:-.04em 0 .02em;
}
.hero__by{
  margin-top:clamp(16px,2.2vw,26px);
  font-size:clamp(11px,1.05vw,14px);
  font-weight:700;letter-spacing:.14em;
  color:var(--ink-soft);
}
.hero__foot{
  margin-top:auto;padding-top:34px;
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  font-size:clamp(11px,1.1vw,14px);font-weight:700;letter-spacing:.1em;
}
.hero__arrow{
  display:block;color:var(--ink);
  transition:transform .25s, color .25s;
}
.hero__arrow svg{width:clamp(18px,1.7vw,24px);height:auto;display:block}
.hero__arrow:hover{color:var(--accent);transform:translateY(6px)}

/* ---------- preuves ---------- */
.proof{padding:clamp(70px,10vw,140px) var(--pad) clamp(40px,6vw,80px)}
.proof__head{display:flex;flex-direction:column;gap:clamp(18px,2.4vw,34px);align-items:flex-start}
.proof__grid{
  margin-top:clamp(42px,6vw,84px);
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:clamp(26px,3vw,46px) clamp(26px,3vw,52px);
}
.proof__grid h3{
  font-size:clamp(20px,1.75vw,26px);
  letter-spacing:-.02em;margin-bottom:10px;
}
.proof__grid p{color:var(--ink-soft);font-size:15.5px;line-height:1.62}
.proof__band{
  margin-top:clamp(50px,7vw,96px);
  text-align:center;
  font-size:clamp(11px,1.25vw,16px);
  font-weight:700;letter-spacing:.18em;
  color:var(--ink-dim);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:22px 0;
}

/* ---------- en-têtes de section ---------- */
.sec__head{
  display:flex;flex-direction:column;gap:clamp(16px,2.2vw,30px);
}
.sec__head .pill{align-self:flex-start}
.sec__head .huge.right{align-self:stretch}

/* ---------- services ---------- */
.services{padding:clamp(70px,9vw,130px) var(--pad);background:var(--bg-2)}
.services__grid{
  margin-top:clamp(44px,6vw,80px);
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.svc{background:var(--bg-2);padding:clamp(24px,2.6vw,40px);transition:background .25s}
.svc:hover{background:#2f2f2b}
.svc__num{
  display:block;font-size:13px;font-weight:800;letter-spacing:.1em;
  color:var(--accent);margin-bottom:16px;
}
.svc h3{font-size:clamp(22px,2vw,30px);margin-bottom:12px;letter-spacing:-.025em}
.svc p{color:var(--ink-soft);font-size:15.5px;line-height:1.62}


/* ---------- duo ---------- */
.duo{padding:clamp(70px,9vw,130px) var(--pad);background:var(--bg-2)}
.duo__grid{
  margin-top:clamp(44px,6vw,80px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:clamp(28px,3.4vw,60px);
}
.person{border-top:1px solid var(--line);padding-top:clamp(22px,2.4vw,34px)}
.person__role{
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);margin-bottom:14px;
}
.person h3{font-size:clamp(28px,3.2vw,46px);margin-bottom:14px;letter-spacing:-.035em}
.person p{color:var(--ink-soft);font-size:15.5px;line-height:1.65}

/* ---------- contact ---------- */
.contact{
  padding:clamp(80px,11vw,160px) var(--pad);
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(18px,2.4vw,34px);
}
.contact p{max-width:600px;color:var(--ink-soft)}
.cta{
  margin-top:14px;
  display:flex;flex-direction:column;align-items:center;
  gap:clamp(14px,1.6vw,20px);
}
.cta__label{
  font-weight:800;letter-spacing:-.025em;
  font-size:clamp(20px,2.1vw,30px);
}
.cta__mail{
  background:var(--accent);color:#1c1c1c;
  font-weight:800;letter-spacing:-.01em;
  font-size:clamp(15px,1.4vw,20px);
  padding:.7em 1.4em;border-radius:999px;
  user-select:all;
}

/* ---------- footer ---------- */
.foot{
  border-top:1px solid var(--line);
  padding:26px var(--pad);
  display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--ink-dim);
  text-transform:uppercase;
}

/* ---------- révélation au scroll ---------- */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav__links{
    position:fixed;inset:56px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(24,24,24,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:8px 0 16px;
    display:none;
  }
  .nav__links.is-open{display:flex}
  .nav__links a{padding:14px var(--pad);font-size:16px}
  .nav__cta{margin:8px var(--pad) 0;text-align:center}
  .nav__burger{display:flex}
  .hero{justify-content:stretch}
  .hero__frame{width:100%}
}
@media (max-width:560px){
  body{font-size:16px}
  .huge.right{text-align:left}
  .hero__foot{flex-direction:row;align-items:center}
  .foot{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}