/* ============================================================
   BIGBULL GLOBAL — Design System
   Modern-tech neo-grotesque · institutional · red/black/white
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --red:        #DB1F1A;
  --red-600:    #C1130F;
  --red-700:    #9E0F0B;
  --red-50:     #FDECEB;
  --red-tint:   #FBE4E2;

  --ink:        #0B0B0C;
  --ink-soft:   #15161A;
  --graphite:   #24262C;
  --gray-700:   #3D4047;
  --gray-600:   #5C616B;
  --gray-500:   #828892;
  --gray-400:   #A7ADB7;
  --gray-300:   #CBD0D7;
  --gray-200:   #E4E7EC;
  --gray-100:   #F1F3F6;
  --paper:      #F7F8FA;
  --white:      #FFFFFF;

  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:   'Hanken Grotesk', system-ui, sans-serif;
  --font-mono:   'Space Mono', ui-monospace, monospace;

  --container:   1280px;
  --gutter:      clamp(20px, 5vw, 64px);

  --shadow-sm:   0 1px 2px rgba(11,11,12,.06), 0 2px 6px rgba(11,11,12,.05);
  --shadow-md:   0 10px 30px -12px rgba(11,11,12,.18);
  --shadow-lg:   0 30px 70px -24px rgba(11,11,12,.30);
  --shadow-red:  0 18px 40px -16px rgba(219,31,26,.45);

  --ease:        cubic-bezier(.22,.61,.36,1);
  --ease-out:    cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:var(--font-body);
  background:var(--white);
  color:var(--ink);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--red);color:#fff}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(72px,10vw,140px)}
.section--tight{padding-block:clamp(56px,7vw,96px)}
.bg-ink{background:var(--ink);color:#fff}
.bg-paper{background:var(--paper)}
.bg-grad-ink{background:linear-gradient(165deg,#101116 0%,#0B0B0C 60%,#000 100%);color:#fff}
.bg-grad-ink .lead{color:var(--gray-300)}
.bg-grad-ink .muted{color:var(--gray-400)}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.04;letter-spacing:-.03em}
.display{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2.6rem,6.4vw,5.4rem);
  line-height:.98;
  letter-spacing:-.045em;
}
.h1{font-size:clamp(2.2rem,4.8vw,3.9rem);letter-spacing:-.04em}
.h2{font-size:clamp(1.9rem,3.6vw,3.05rem);letter-spacing:-.035em}
.h3{font-size:clamp(1.3rem,2vw,1.7rem);letter-spacing:-.025em}
.lead{font-size:clamp(1.08rem,1.5vw,1.32rem);line-height:1.55;color:var(--gray-700)}
.bg-ink .lead{color:var(--gray-300)}
.muted{color:var(--gray-600)}
.bg-ink .muted{color:var(--gray-400)}
.maxw-sm{max-width:46ch}
.maxw-md{max-width:62ch}
.maxw-lg{max-width:78ch}

/* eyebrow / kicker */
.kicker{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-mono);
  font-size:.72rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--red);
}
.kicker::before{
  content:"";width:26px;height:1.5px;background:var(--red);display:inline-block;
}
.kicker--num{color:var(--gray-500)}
.kicker--num b{color:var(--red);font-weight:700}
.bg-ink .kicker--num{color:var(--gray-400)}
.kicker--center{justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--red);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-display);font-weight:600;font-size:.98rem;letter-spacing:-.01em;
  padding:.95em 1.5em;border-radius:2px;
  background:var(--bg);color:var(--fg);
  position:relative;overflow:hidden;isolation:isolate;
  transition:transform .45s var(--ease-out), box-shadow .45s var(--ease-out), color .35s;
}
.btn .ico{transition:transform .45s var(--ease-out)}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--ink);transform:translateY(101%);
  transition:transform .5s var(--ease-out);
}
.btn:hover{box-shadow:var(--shadow-red);transform:translateY(-2px)}
.btn:hover::after{transform:translateY(0)}
.btn:hover .ico{transform:translateX(4px)}
.btn--ghost{
  --bg:transparent;--fg:var(--ink);
  border:1.5px solid var(--gray-300);box-shadow:none;
}
.btn--ghost::after{background:var(--ink)}
.btn--ghost:hover{--fg:#fff;border-color:var(--ink);box-shadow:var(--shadow-md)}
.btn--light{--bg:#fff;--fg:var(--ink)}
.btn--light::after{background:var(--red)}
.btn--light:hover{--fg:#fff;box-shadow:var(--shadow-md)}
.btn--lg{padding:1.1em 1.8em;font-size:1.05rem}

.textlink{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-display);font-weight:600;
  color:var(--ink);position:relative;
}
.bg-ink .textlink{color:#fff}
.textlink .ico{transition:transform .4s var(--ease-out)}
.textlink::after{content:"";position:absolute;left:0;bottom:-3px;height:1.5px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-out)}
.textlink:hover{color:var(--red)}
.textlink:hover::after{transform:scaleX(1);background:var(--red)}
.textlink:hover .ico{transform:translateX(5px)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s, padding .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;
  padding-block:18px;transition:padding .4s var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(14px);
  border-bottom-color:var(--gray-200);box-shadow:0 8px 30px -22px rgba(0,0,0,.4)}
.site-header.scrolled .container{padding-block:11px}
/* header transparent over dark hero */
.site-header.on-dark:not(.scrolled){color:#fff}
.site-header.on-dark:not(.scrolled) .nav-links a{color:rgba(255,255,255,.82)}
.site-header.on-dark:not(.scrolled) .nav-links a:hover{color:#fff}
.site-header.on-dark:not(.scrolled) .logo-light{display:block}
.site-header.on-dark:not(.scrolled) .logo-dark{display:none}
.brand{display:flex;align-items:center;gap:10px;z-index:2}
.brand img{height:34px;width:auto}
.logo-light{display:none}
.nav{display:flex;align-items:center;gap:38px}
.nav-links{display:flex;align-items:center;gap:30px;font-family:var(--font-display);font-weight:500;font-size:.96rem}
.nav-links a{position:relative;color:var(--gray-700);transition:color .3s;letter-spacing:-.01em}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:100%;
  background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink)}
.header-cta{display:flex;align-items:center;gap:18px}
.header-cta .btn{padding:.7em 1.2em;font-size:.9rem}

.burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;
  align-items:center;gap:6px;z-index:120}
.burger span{display:block;width:24px;height:2px;background:currentColor;transition:transform .4s var(--ease),opacity .3s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* mobile drawer */
.mobile-nav{position:fixed;inset:0;z-index:100;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;justify-content:center;padding:var(--gutter);
  clip-path:circle(0% at calc(100% - 44px) 44px);transition:clip-path .6s var(--ease-out);
  pointer-events:none;}
.mobile-nav.open{clip-path:circle(150% at calc(100% - 44px) 44px);pointer-events:auto}
.mobile-nav a{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,9vw,3.2rem);
  letter-spacing:-.04em;padding-block:.18em;color:#fff;opacity:.45;transition:opacity .3s,color .3s,transform .3s}
.mobile-nav a:hover,.mobile-nav a.active{opacity:1;color:var(--red)}
.mobile-nav .mn-meta{margin-top:42px;font-family:var(--font-mono);font-size:.8rem;color:var(--gray-400);letter-spacing:.05em}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding-top:clamp(70px,8vw,110px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:64px;
  border-bottom:1px solid rgba(255,255,255,.1)}
.site-footer .f-logo{height:36px;margin-bottom:22px}
.site-footer .f-about{color:var(--gray-400);max-width:38ch;font-size:.98rem}
.f-mail{display:inline-block;margin-top:20px;font-family:var(--font-mono);font-size:.92rem;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:3px;transition:color .3s,border-color .3s}
.f-mail:hover{color:var(--red);border-color:var(--red)}
.f-socials{display:flex;gap:12px;margin-top:26px}
.f-socials a{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);
  border-radius:3px;color:#fff;transition:background .3s,border-color .3s,transform .3s}
.f-socials a:hover{background:var(--red);border-color:var(--red);transform:translateY(-3px)}
.f-col h4{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gray-500);font-weight:700;margin-bottom:20px}
.f-col ul{list-style:none;display:flex;flex-direction:column;gap:13px}
.f-col a{color:var(--gray-300);font-size:.98rem;transition:color .3s,padding-left .3s}
.f-col a:hover{color:#fff;padding-left:6px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-block:30px;font-size:.86rem;color:var(--gray-500);font-family:var(--font-mono);letter-spacing:.02em}
.footer-bottom .fb-links{display:flex;gap:26px}
.footer-bottom a:hover{color:#fff}

/* ---------- Reveal animation (JS-gated: visible if JS fails) ---------- */
.js [data-reveal]{opacity:0;transform:translateY(var(--reveal-dist,34px));
  transition:opacity var(--reveal-dur,.9s) var(--ease-out),transform var(--reveal-dur,.9s) var(--ease-out)}
.js [data-reveal].in{opacity:1;transform:none}
.js [data-reveal="scale"]{transform:scale(.94)}
.js [data-reveal="scale"].in{transform:none}
.js [data-reveal="left"]{transform:translateX(calc(-1.3 * var(--reveal-dist,34px)))}
.js [data-reveal="left"].in{transform:none}
.js [data-reveal="right"]{transform:translateX(calc(1.3 * var(--reveal-dist,34px)))}
.js [data-reveal="right"].in{transform:none}
.js .stagger>*{opacity:0;transform:translateY(var(--reveal-dist,30px));
  transition:opacity var(--reveal-dur,.8s) var(--ease-out),transform var(--reveal-dur,.8s) var(--ease-out)}
.js .stagger.in>*{opacity:1;transform:none}
/* Tweaks: instant (no scroll reveal) */
.anim-off [data-reveal],.anim-off .stagger>*{opacity:1!important;transform:none!important;transition:none!important}
/* Tweaks: disable hover lift */
.no-hover .btn:hover,.no-hover .card:hover,.no-hover .member:hover .member-photo,
.no-hover .cinfo:hover,.no-hover .mini-card:hover,.no-hover .vrow:hover,
.no-hover .venture:hover .venture-frame img,.no-hover .f-socials a:hover{transform:none}
.stagger.in>*:nth-child(1){transition-delay:.05s}
.stagger.in>*:nth-child(2){transition-delay:.14s}
.stagger.in>*:nth-child(3){transition-delay:.23s}
.stagger.in>*:nth-child(4){transition-delay:.32s}
.stagger.in>*:nth-child(5){transition-delay:.41s}
.stagger.in>*:nth-child(6){transition-delay:.50s}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001s!important;scroll-behavior:auto}
  [data-reveal],.stagger>*{opacity:1!important;transform:none!important}
}

/* ---------- Utility ---------- */
.grid{display:grid}
.flex{display:flex}
.eyebrow-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rule{height:1px;background:var(--gray-200);border:0}
.bg-ink .rule{background:rgba(255,255,255,.12)}
.text-red{color:var(--red)}
.mono{font-family:var(--font-mono)}
.tag{display:inline-flex;align-items:center;gap:.55em;font-family:var(--font-mono);font-size:.72rem;
  font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gray-600);
  padding:.5em .85em;border:1px solid var(--gray-200);border-radius:2px;background:#fff}
.bg-ink .tag{color:var(--gray-300);border-color:rgba(255,255,255,.16);background:transparent}

/* section header block */
.sec-head{max-width:760px}
.sec-head .h2{margin-top:20px}
.sec-head .lead{margin-top:22px}
.sec-head--center{margin-inline:auto;text-align:center}
.sec-head--center .eyebrow-row{justify-content:center}

/* number marquee / big index */
.idx{font-family:var(--font-mono);font-weight:700;color:var(--gray-300);font-size:.9rem;letter-spacing:.1em}
.bg-ink .idx{color:var(--gray-600)}

/* responsive header */
@media (max-width:980px){
  .nav-links,.header-cta .btn{display:none}
  .burger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-footer .f-about{grid-column:1/-1}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}