/* =========================================================
   Cardio — Marketing Agency
   Editorial graphite + pulse-red system
   ========================================================= */
:root{
  --graphite:#0A0A0B;
  --surface:#141416;
  --surface-2:#1A1A1D;
  --bone:#EDEAE4;
  --muted:#8A8A8F;
  --muted-2:#5E5E63;
  --pulse:#C8102E;
  --pulse-dim:#8E0B20;
  --pulse-text:#FF4D6D; /* brighter red, reserved for small text on dark — clears 4.5:1 where --pulse alone (~3.3:1) doesn't */
  --hair:#2A2A2E;
  --hair-soft:#202023;
  --maxw:1240px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
body{
  background:var(--graphite);
  color:var(--bone);
  font-family:"TildaSans","Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--pulse);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

.display{
  font-family:"TildaSans","Manrope",-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  font-weight:800;letter-spacing:-0.02em;line-height:0.92;text-transform:uppercase;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

.skip-link{
  position:absolute;left:-999px;top:auto;z-index:1000;
  background:var(--pulse);color:#fff;padding:12px 18px;border-radius:2px;font-weight:600;
}
.skip-link:focus{left:20px;top:20px}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--pulse);outline-offset:3px;
}

/* ============ NAV ============ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 32px;background:rgba(10,10,11,0);
  transition:background .4s ease,border-color .4s ease,padding .4s ease;
  border-bottom:1px solid transparent;
}
nav.scrolled{
  background:rgba(10,10,11,.82);backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--hair-soft);padding:14px 32px;
}
.brand{display:flex;align-items:center;gap:18px;font-family:"TildaSans","Manrope",sans-serif;font-weight:800;letter-spacing:.06em;font-size:24px;text-transform:uppercase}
nav:not(.scrolled) .brand{color:var(--bone)}
.nav-pulse{height:40px;width:auto;flex-shrink:0;display:none;object-fit:contain;filter:drop-shadow(0 0 5px rgba(200,16,46,.35))}
@media(min-width:560px){.nav-pulse{display:block}}
.foot-pulse{height:34px}

.nav-links{display:flex;gap:38px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);transition:color .25s;letter-spacing:.01em}
.nav-links a:hover{color:var(--bone)}
nav:not(.scrolled) .nav-links a{color:rgba(237,234,228,.78)}
nav:not(.scrolled) .nav-links a:hover{color:var(--bone)}
.nav-cta{
  border:1px solid var(--hair);color:var(--bone);padding:0 20px;border-radius:2px;
  font-size:13.5px;font-weight:500;letter-spacing:.04em;transition:all .25s;
  display:inline-flex;align-items:center;min-height:44px;
}
.nav-cta:hover{border-color:var(--pulse);color:#fff}
nav:not(.scrolled) .nav-cta{border-color:rgba(237,234,228,.35)}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;width:44px;height:44px;align-items:center;justify-content:center}
.burger span{width:22px;height:2px;background:var(--bone);transition:.3s;display:block}
nav:not(.scrolled) .burger span{background:var(--bone)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:860px){ .nav-links{display:none} .burger{display:flex} }

.mobile-nav{
  position:fixed;inset:0;z-index:99;background:rgba(10,10,11,.98);
  backdrop-filter:blur(10px);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:36px;
  opacity:0;visibility:hidden;transition:opacity .35s ease;
}
.mobile-nav.is-open{opacity:1;visibility:visible}
.mobile-nav ul{display:flex;flex-direction:column;align-items:center;gap:28px}
.mobile-nav a{font-family:"TildaSans","Manrope",sans-serif;font-size:1.7rem;font-weight:700;text-transform:uppercase;letter-spacing:-.01em}
@media(min-width:861px){ .mobile-nav{display:none} }

/* ============ HERO ============ */
header{
  min-height:100vh;position:relative;display:flex;flex-direction:column;
  justify-content:flex-start;padding-top:15vh;overflow:hidden;
  background:linear-gradient(180deg,#d3d3d6 0%,#c6c6c9 55%,#bdbdc0 100%);
}
.hero-glow{
  position:absolute;top:-5%;right:-10%;width:70vw;height:80vh;pointer-events:none;z-index:1;
  background:radial-gradient(ellipse 50% 55% at 70% 45%,rgba(200,16,46,.28),transparent 60%);
  filter:blur(20px);
}
#spheres{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;transition:opacity 1.2s ease .3s}
#spheres.ready{opacity:1}
.hero-inner{position:relative;z-index:4;text-align:center;display:flex;flex-direction:column;align-items:center;max-width:none}
.hero-inner::before{
  content:"";position:absolute;z-index:-1;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(1000px,92vw);height:min(700px,80vh);
  background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(205,205,208,.82),rgba(205,205,208,.45) 50%,transparent 74%);
  filter:blur(9px);pointer-events:none;
}
.brand-block{
  display:inline-flex;align-items:center;gap:14px;
  font-family:"TildaSans","Manrope",sans-serif;font-weight:800;text-transform:uppercase;
  font-size:clamp(46px,8vw,120px);letter-spacing:.01em;line-height:.95;color:#8E0B20;
  margin-bottom:10px;opacity:0;animation:fadeUp .9s cubic-bezier(.16,1,.3,1) .15s forwards;
}
.brand-block .beat-dot{
  width:clamp(9px,1.1vw,16px);height:clamp(9px,1.1vw,16px);border-radius:50%;background:var(--pulse);
  box-shadow:0 0 0 0 rgba(200,16,46,.55);animation:beat 1.9s ease-out infinite;flex-shrink:0;
  margin-bottom:.12em;
}
@keyframes beat{
  0%{transform:scale(.85);box-shadow:0 0 0 0 rgba(200,16,46,.55)}
  18%{transform:scale(1.25)}
  36%{transform:scale(.95)}
  100%{transform:scale(.85);box-shadow:0 0 0 12px rgba(200,16,46,0)}
}
.hero-tagline{
  font-family:"TildaSans","Manrope",sans-serif;font-weight:700;text-transform:uppercase;
  font-size:clamp(18px,2vw,24px);letter-spacing:.05em;color:#4a4a50;margin-bottom:18px;
  opacity:0;animation:fadeUp .9s cubic-bezier(.16,1,.3,1) .22s forwards;
}
h1.hero-title{margin-bottom:30px;line-height:1.3;opacity:0;animation:fadeUp .9s cubic-bezier(.16,1,.3,1) .28s forwards}
h1.hero-title .ht-big,h1.hero-title .ht-small{
  display:block;font-family:"TildaSans","Manrope",sans-serif;font-weight:800;text-transform:uppercase;
  font-size:clamp(18px,2vw,24px);letter-spacing:-.01em;color:#1a1a1c;
}
h1.hero-title .ht-small .hero-accent{color:var(--pulse)}
header .hero-lead{max-width:600px;font-size:clamp(17px,2vw,20px);color:#2a2a30;text-shadow:0 1px 10px rgba(205,205,208,.9);line-height:1.55;margin-bottom:40px;opacity:0;animation:fadeUp .8s ease .6s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;opacity:0;animation:fadeUp .8s ease .72s forwards}
.btn-primary{
  background:var(--pulse);color:#fff;padding:16px 34px;border-radius:2px;font-weight:600;
  font-size:15.5px;letter-spacing:.02em;transition:all .28s;border:1px solid var(--pulse);
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;
}
.btn-primary:hover{background:#e01634;border-color:#e01634;transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(200,16,46,.7)}
header .btn-ghost{
  padding:16px 30px;border-radius:2px;font-weight:500;font-size:15.5px;transition:all .28s;
  border-color:rgba(20,20,22,.3);color:#141416;background:rgba(214,214,217,.55);backdrop-filter:blur(2px);
  border-width:1px;border-style:solid;display:inline-flex;align-items:center;justify-content:center;min-height:48px;
}
header .btn-ghost:hover{border-color:#141416}
@media (prefers-reduced-motion: reduce){ .btn-primary:hover{transform:none} }

.pulse-band{position:absolute;left:0;right:0;bottom:4%;height:90px;z-index:1;pointer-events:none;opacity:.85}
.pulse-band svg{width:100%;height:100%;display:block}
.pulse-path{
  fill:none;stroke:var(--pulse);stroke-width:2;filter:drop-shadow(0 0 6px rgba(200,16,46,.55));
  stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:draw 3.4s ease .7s forwards;
}
@keyframes draw{to{stroke-dashoffset:0}}
.scroll-hint{
  position:absolute;bottom:30px;right:32px;z-index:3;color:#6a6a6f;font-size:12.5px;letter-spacing:.16em;
  display:flex;flex-direction:column;align-items:center;gap:10px;opacity:0;
  animation:fadeUp .8s ease 1.4s forwards;writing-mode:vertical-rl;
}
.scroll-hint .ln{width:1px;height:34px;background:linear-gradient(#6a6a6f,transparent)}
@media(max-width:640px){ .scroll-hint{left:20px;right:auto} }

/* ============ MARQUEE ============ */
.marquee{
  border-top:1px solid var(--hair-soft);border-bottom:1px solid var(--hair-soft);
  padding:26px 0;overflow:hidden;white-space:nowrap;background:var(--graphite);
}
.marquee-track{display:inline-flex;gap:0;animation:scroll 34s linear infinite}
@media (prefers-reduced-motion: reduce){ .marquee-track{animation-duration:0.001s} }
.marquee-track span{
  font-family:"TildaSans","Manrope",sans-serif;font-weight:700;text-transform:uppercase;
  font-size:26px;letter-spacing:.02em;color:var(--surface-2);padding:0 32px;
  display:inline-flex;align-items:center;gap:32px;
}
.marquee-track span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--pulse-dim)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============ SECTION SHELL ============ */
section{padding:130px 0}
.sec-head{margin-bottom:70px;max-width:820px}
.sec-kicker{color:var(--pulse-text);font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:20px;display:flex;align-items:center;gap:12px}
h2.sec-title{font-size:clamp(34px,5.5vw,64px);margin-bottom:24px;letter-spacing:0;line-height:1.12}
.sec-title .dim{color:var(--muted)}
.sec-sub{font-size:19px;color:var(--muted);line-height:1.6;max-width:640px}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none;transition:none} }

/* ============ SERVICES ============ */
#services{background:var(--graphite)}
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--hair-soft);border:1px solid var(--hair-soft)}
.svc{
  background:var(--graphite);padding:42px 38px;position:relative;
  transition:background .35s ease;min-height:260px;display:flex;flex-direction:column;grid-column:span 2;
}
.svc.big{grid-column:span 3}
.svc:hover,.svc:focus-within{background:var(--surface)}
.svc h3{
  font-family:"TildaSans","Manrope",sans-serif;font-weight:700;text-transform:uppercase;
  font-size:clamp(22px,2.4vw,32px);letter-spacing:-.01em;line-height:1.02;margin-top:0;margin-bottom:16px;
}
.svc p{font-size:15.5px;color:var(--muted);line-height:1.55;max-width:440px;margin-bottom:20px}
.svc .tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px}
.svc .tags b{font-weight:500;font-size:12.5px;color:var(--muted);border:1px solid var(--hair);padding:5px 11px;border-radius:2px}
.svc .corner{
  position:absolute;top:38px;right:38px;width:22px;height:22px;
  border-top:2px solid var(--hair);border-right:2px solid var(--hair);transition:border-color .35s;
}
.svc:hover .corner,.svc:focus-within .corner{border-color:var(--pulse)}
@media(max-width:1000px){ .svc-grid{grid-template-columns:repeat(2,1fr)} .svc,.svc.big{grid-column:span 1} }

/* ============ SPONSORSHIP PATHS ============ */
#sponsorship{background:var(--surface);border-top:1px solid var(--hair-soft);border-bottom:1px solid var(--hair-soft)}
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair-soft);border:1px solid var(--hair-soft);margin-top:16px}
.path{background:var(--surface);padding:48px 40px}
.path.is-highlight{background:linear-gradient(165deg,rgba(200,16,46,.14),var(--surface) 60%)}
.path-label{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--pulse-text);margin-bottom:12px}
.path-label .beat{width:8px;height:8px;border-radius:50%;background:var(--pulse);display:inline-block;flex-shrink:0}
.path h3{font-family:"TildaSans","Manrope",sans-serif;font-weight:700;text-transform:uppercase;font-size:24px;margin-bottom:22px;letter-spacing:-.01em;line-height:1.15}
.step{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--hair-soft)}
.step:last-child{border-bottom:1px solid var(--hair-soft)}
.step .s-num{font-family:"TildaSans","Manrope",sans-serif;font-weight:700;font-size:16px;color:var(--pulse-text);flex-shrink:0;width:28px;line-height:1.4}
.step p{font-size:15px;color:var(--bone);line-height:1.5}
@media(max-width:1000px){ .paths{grid-template-columns:1fr} }

/* ============ SOCIAL ============ */
#social{background:var(--graphite)}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.content-list{list-style:none}
.content-list li{padding:22px 0;border-top:1px solid var(--hair-soft);display:flex;gap:18px;align-items:baseline;font-size:17px;transition:padding-left .3s}
.content-list li:last-child{border-bottom:1px solid var(--hair-soft)}
.content-list li:hover{padding-left:12px}
.content-list li .dot{width:6px;height:6px;border-radius:50%;background:var(--pulse);flex-shrink:0;transform:translateY(-3px)}
.social-copy p{color:var(--muted);font-size:16px;line-height:1.6;margin-bottom:18px}
.content-visual{aspect-ratio:4/5;border:1px solid var(--hair);position:relative;overflow:hidden;background:linear-gradient(160deg,var(--surface),var(--graphite))}
.content-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(200,16,46,.22),transparent 55%)}
.content-visual .big-word{
  position:absolute;bottom:34px;left:34px;right:34px;font-family:"TildaSans","Manrope",sans-serif;
  font-weight:800;text-transform:uppercase;font-size:clamp(28px,4vw,50px);line-height:.96;letter-spacing:-.02em;
}
.content-visual .big-word em{color:var(--pulse);font-style:normal}
@media(max-width:900px){ .content-grid{grid-template-columns:1fr;gap:44px} }

/* ============ CTA ============ */
#contact{background:var(--graphite);position:relative;overflow:hidden;text-align:center;padding:150px 0}
.cta-glow{
  position:absolute;bottom:-30%;left:50%;transform:translateX(-50%);width:100vw;height:70vh;
  background:radial-gradient(ellipse 50% 50% at 50% 60%,rgba(200,16,46,.18),transparent 60%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2}
.cta-inner h2{font-size:clamp(38px,7vw,92px);margin-bottom:26px}
.cta-inner p{color:var(--muted);font-size:20px;max-width:520px;margin:0 auto 46px}

/* ============ FOOTER ============ */
footer{background:var(--graphite);border-top:1px solid var(--hair-soft);padding:60px 0 40px}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;margin-bottom:50px}
.foot-brand{max-width:340px}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{color:var(--muted);font-size:14.5px;line-height:1.6}
.foot-cols{display:flex;gap:70px;flex-wrap:wrap}
.foot-col h4{font-size:12.5px;letter-spacing:.1em;color:var(--muted);margin-bottom:16px;text-transform:uppercase;font-weight:600}
.foot-col a,.foot-col p{display:block;color:var(--muted);font-size:14.5px;margin-bottom:10px;transition:color .25s}
.foot-col a:hover{color:var(--bone)}
.foot-bottom{border-top:1px solid var(--hair-soft);padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:13px;line-height:1.7}

/* ============ SECTION TRANSITION ============ */
#xover{position:fixed;inset:0;z-index:200;pointer-events:none;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden}
#xover.run{visibility:visible;opacity:1}
.xbg{position:absolute;inset:0;background:var(--pulse);opacity:0}
.xdot{position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;transform:scale(0)}
.xbrk{font-family:"TildaSans","Manrope",sans-serif;font-weight:800;font-size:clamp(90px,20vh,220px);line-height:1;color:#fff;position:absolute;opacity:0}
.xword{
  font-family:"TildaSans","Manrope",sans-serif;font-weight:800;text-transform:uppercase;
  font-size:clamp(18px,2.6vw,36px);letter-spacing:.01em;color:#fff;opacity:0;text-align:center;
  line-height:1.05;max-width:min(30vw,420px);white-space:nowrap;
}

/* ============ RESPONSIVE ============ */
@media(max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  nav{padding:16px 20px}
  nav.scrolled{padding:12px 20px}
  section{padding:90px 0}
  .path{padding:38px 26px}
  .content-list li{font-size:16px}
  .hero-actions{width:100%}
  .btn-primary,header .btn-ghost{flex:1;text-align:center}
  .brand-block{gap:10px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important}
  .pulse-path{stroke-dashoffset:0}
  .hero-lead,.hero-actions,.scroll-hint,.brand-block,h1.hero-title{opacity:1;animation:none}
}