/* ============================================================
   bm-layout.css — header, hero, marquee, nav, footer
   ============================================================ */

/* ---------- header ---------- */
.site-head{position:fixed;top:0;left:0;right:0;z-index:90;mix-blend-mode:difference}
.site-head__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.site-head__logo img{height:34px;width:auto}
@media(max-width:760px){.site-head__logo img{height:28px}}
.site-nav{display:flex;align-items:center;gap:clamp(16px,2vw,32px)}
.site-nav a{position:relative;color:#fff;transition:opacity .2s}
.site-nav a:not(.site-nav__cta)::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:currentColor;transition:width .3s var(--ease)}
.site-nav a:not(.site-nav__cta):hover::after{width:100%}
.site-nav__cta{padding:7px 16px;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius)}
.site-nav__toggle{display:none;color:#fff;border:1px solid rgba(255,255,255,.4);padding:7px 14px;border-radius:var(--radius)}

/* ---------- mobile nav ---------- */
.mobile-nav{position:fixed;inset:0;z-index:85;background:var(--ink-900);display:flex;align-items:center;justify-content:center;
  transform:translateY(-100%);transition:transform .6s var(--ease);visibility:hidden}
.mobile-nav.is-open{transform:translateY(0);visibility:visible}
.mobile-nav nav{display:flex;flex-direction:column;gap:20px;text-align:center}
.mobile-nav a{font-family:var(--font-display);font-size:clamp(2rem,9vw,3.5rem);font-weight:600;letter-spacing:-.02em;
  opacity:0;transform:translateY(20px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.mobile-nav.is-open a{opacity:1;transform:none}
.mobile-nav.is-open a:nth-child(1){transition-delay:.1s}
.mobile-nav.is-open a:nth-child(2){transition-delay:.16s}
.mobile-nav.is-open a:nth-child(3){transition-delay:.22s}
.mobile-nav.is-open a:nth-child(4){transition-delay:.28s}
.mobile-nav.is-open a:nth-child(5){transition-delay:.34s}
.mobile-nav.is-open a:nth-child(6){transition-delay:.4s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;padding-bottom:var(--gap);padding-top:120px;overflow:hidden}
.hero__wrap{position:relative;z-index:3;width:100%}
.hero__meta{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:clamp(20px,4vh,48px)}
.hero__title{font-size:var(--fs-hero);text-transform:none;margin-bottom:clamp(24px,5vh,64px)}
.hero__line{display:block;overflow:hidden}
.hero__line > span{display:block}
.hero__foot{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--gap);flex-wrap:wrap}
.hero__sub{max-width:42ch;font-size:var(--fs-lead);color:var(--fg-dim)}
.hero__cta{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border:1px solid var(--hair);border-radius:var(--radius);color:var(--fg)}
.hero__cta-arrow{transition:transform .3s var(--ease)}
.hero__cta:hover .hero__cta-arrow{transform:translateY(4px)}
.hero__portrait{position:absolute;top:0;right:0;width:44vw;max-width:640px;height:100%;z-index:1;opacity:.9;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);mask-image:linear-gradient(90deg,transparent,#000 40%)}
.hero__portrait img{width:100%;height:100%;object-fit:cover;object-position:center top}
.hero::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(60% 80% at 15% 90%,rgba(45,91,255,.14),transparent 60%)}
@media(max-width:900px){
  .hero__portrait{width:70vw;opacity:.35}
  .hero__foot{flex-direction:column;align-items:flex-start}
}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--hair);padding:clamp(16px,3vh,36px) 0;white-space:nowrap}
.marquee__inner{display:inline-flex;align-items:center;gap:40px;will-change:transform}
.marquee__item{font-family:var(--font-display);font-weight:600;font-size:var(--fs-marquee);line-height:1;letter-spacing:-.03em;text-transform:uppercase}
.marquee__star{font-size:clamp(1.5rem,4vw,3rem);color:var(--accent)}

/* ---------- footer ---------- */
.site-foot{position:relative;z-index:85;background:var(--bg);border-top:1px solid var(--hair);padding:32px 0}
.site-foot__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--fg-mute)}
.site-foot a:hover{color:var(--fg)}

/* ---------- floating whatsapp ---------- */
.wa-float{position:fixed;right:22px;bottom:60px;z-index:95;width:52px;height:52px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.4);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.08)}
@media(max-width:760px){.wa-float{right:16px;bottom:52px;width:48px;height:48px}}

/* ---------- responsive nav ---------- */
@media(max-width:860px){
  .site-nav{display:none}
  .site-nav__toggle{display:inline-block}
}