/* ===========================================================
   FTF BOXING CLUB — PARIS 18 · MONTMARTRE
   Black / signal yellow · Sacré-Cœur · since 1986
   =========================================================== */

:root{
  --void:#0a0a0a;
  --coal:#141414;
  --coal-2:#1c1c1c;
  --steel:#262626;
  --ash:#8f8f87;
  --bone:#f0efe9;
  --yellow:#f4e400;      /* signal yellow from logo */
  --yellow-deep:#d4c400;
  --line:rgba(240,239,233,.09);
  --maxw:1280px;
  --display:"Oswald","Arial Narrow",sans-serif;
  --body:"Inter","Helvetica Neue",sans-serif;
  --mono:"Space Mono",ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--bone);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.045;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}

h1,h2,h3{font-family:var(--display);font-weight:700;line-height:.95;letter-spacing:.005em;text-transform:uppercase}
.kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--yellow);display:inline-flex;align-items:center;gap:.6em}
.kicker::before{content:"";width:24px;height:2px;background:var(--yellow)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* topbar */
.topbar{background:var(--yellow);color:var(--void);font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;display:flex;justify-content:center;gap:2.4rem;padding:7px 16px;flex-wrap:wrap;font-weight:700}
.topbar span{opacity:.75}

/* nav */
header.nav{position:sticky;top:0;z-index:200;background:rgba(10,10,10,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.6rem;font-family:var(--display);font-weight:700;font-size:1.4rem;letter-spacing:.02em;text-transform:uppercase}
.logo img{height:42px;width:auto}
.logo .ftf{color:var(--yellow)}
nav ul{display:flex;gap:1.7rem;list-style:none;align-items:center}
nav a{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ash);transition:color .2s;position:relative}
nav a:hover,nav a.active{color:var(--bone)}
nav a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--yellow)}
.nav-cta{background:var(--yellow);color:var(--void);font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:11px 18px;transition:.18s}
.nav-cta:hover{background:#fff}
.burger{display:none;background:none;border:none;color:var(--bone);font-size:1.6rem;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.7em;font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:16px 26px;border:1px solid var(--bone);background:transparent;color:var(--bone);cursor:pointer;transition:.18s}
.btn:hover{background:var(--bone);color:var(--void);transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--yellow)}
.btn-yellow{background:var(--yellow);border-color:var(--yellow);color:var(--void)}
.btn-yellow:hover{background:#fff;border-color:#fff;box-shadow:6px 6px 0 var(--void)}

.pad{padding:110px 0}
.pad-sm{padding:70px 0}
.section-head{display:flex;flex-direction:column;gap:18px;margin-bottom:54px}
.section-head h2{font-size:clamp(2.6rem,6.5vw,5rem)}
.section-head p{max-width:60ch;color:var(--ash);font-size:1.05rem}

/* page hero */
.page-hero{padding:88px 0 66px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(3rem,12vw,9rem);position:relative;z-index:2}
.page-hero .crumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--ash);text-transform:uppercase;margin-bottom:18px}
.page-hero .crumb a:hover{color:var(--yellow)}
.ghost{position:absolute;right:-2%;top:50%;transform:translateY(-50%);font-family:var(--display);font-weight:700;font-size:clamp(8rem,28vw,24rem);color:transparent;-webkit-text-stroke:1px rgba(240,239,233,.05);z-index:0;pointer-events:none;white-space:nowrap}

/* footer */
footer{background:var(--coal);border-top:1px solid var(--line);padding:80px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px}
footer h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--yellow);text-transform:uppercase;margin-bottom:20px}
footer .fbig{font-family:var(--display);font-weight:700;font-size:2.4rem;text-transform:uppercase;line-height:.95;margin-bottom:18px}
footer p,footer a{color:var(--ash);font-size:.92rem;line-height:1.9}
footer a:hover{color:var(--bone)}
.foot-bottom{margin-top:54px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:#5e5e58;text-transform:uppercase}
.social{display:flex;gap:14px;margin-top:18px}
.social a{width:40px;height:40px;border:1px solid var(--line);display:grid;place-items:center;transition:.18s}
.social a:hover{background:var(--yellow);border-color:var(--yellow)}
.social a:hover svg{fill:var(--void)}
.social svg{width:18px;height:18px;fill:var(--ash);transition:fill .18s}

/* marquee */
.marquee{background:var(--yellow);overflow:hidden;border-top:3px solid var(--void);border-bottom:3px solid var(--void)}
.marquee-track{display:flex;gap:2.6rem;white-space:nowrap;animation:scroll 24s linear infinite;padding:12px 0}
.marquee-track span{font-family:var(--display);font-weight:700;font-size:1.35rem;text-transform:uppercase;color:var(--void);letter-spacing:.02em}
.marquee-track .s{opacity:.5}
@keyframes scroll{to{transform:translateX(-50%)}}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .burger{display:block;z-index:210}
  /* menu mobile : panneau plein jaune qui se déroule sous la barre (plus de tiroir latéral) */
  nav ul{position:absolute;top:100%;left:0;right:0;z-index:190;background:var(--yellow);flex-direction:column;align-items:stretch;gap:0;padding:6px 0 14px;border-bottom:3px solid var(--void);box-shadow:0 20px 44px rgba(0,0,0,.45);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
  nav ul.open{opacity:1;visibility:visible;transform:translateY(0)}
  nav ul li{width:100%;border-bottom:1px solid rgba(10,10,10,.14)}
  nav ul li:last-child{border-bottom:none}
  nav ul li a{display:block;padding:16px 28px;font-size:1.02rem;color:var(--void)}
  nav ul li a:hover,nav ul a.active{color:var(--void)}
  nav ul a.active{font-weight:700}
  nav ul a.active::after{display:none}
  nav ul .nav-cta{margin:14px 28px 2px;width:auto;justify-content:center;display:flex;background:var(--void);color:var(--yellow)}
  nav ul .nav-cta:hover{background:#111;color:var(--yellow)}
  .foot-grid{grid-template-columns:1fr;gap:36px}
}
@media(max-width:560px){body{font-size:16px}.pad{padding:72px 0}.topbar{gap:1.1rem;font-size:.6rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* CTA banner */
.cta{position:relative;overflow:hidden;background:var(--yellow);color:var(--void);padding:90px 0}
.cta .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta .kicker{color:var(--void)}
.cta .kicker::before{background:var(--void)}
.cta h2{font-size:clamp(2.4rem,5.5vw,4rem);margin:14px 0 16px;color:var(--void)}
.cta p{max-width:46ch;margin-bottom:26px;color:#1a1a14;font-size:1.04rem}
.cta .btn{border-color:var(--void);color:var(--void)}
.cta .btn:hover{background:var(--void);color:var(--yellow);box-shadow:6px 6px 0 rgba(0,0,0,.25)}
.cta-ghost{position:absolute;left:-1%;bottom:-34%;font-family:var(--display);font-weight:700;font-size:clamp(10rem,34vw,30rem);color:rgba(10,10,10,.07);z-index:1;pointer-events:none;line-height:1;white-space:nowrap}
.cta .big{position:relative;z-index:2;text-align:right;font-family:var(--display);font-weight:700;font-size:clamp(4rem,11vw,8rem);line-height:.82;color:var(--void)}
.cta .big small{display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;font-weight:700;margin-top:12px}
@media(max-width:860px){.cta{padding:64px 0}.cta .wrap{grid-template-columns:1fr;gap:18px}.cta .big{text-align:left}}