/* =========================
   BRBRT Web3 Premium UI (Perf-first)
   - Hero fullscreen always
   - Premium background (CSS-only)
   - Glass cards + neon edges
   - Fast micro-animations (GPU-safe)
========================= */

:root{
  --bg0:#05090A;
  --bg1:#07110D;
  --bg2:#0A1A14;

  --txt:#EAF7F1;
  --mut:#B7D8CB;

  --g0:#28FFB4;
  --g1:#00D18C;
  --g2:#0A6B4D;

  --line: rgba(255,255,255,.10);
  --line2: rgba(40,255,180,.18);

  --glass: rgba(8,18,14,.52);
  --glass2: rgba(8,12,14,.24);

  --shadow: 0 18px 70px rgba(0,0,0,.45);
  --shadow2: 0 14px 42px rgba(0,0,0,.30);

  --radius: 20px;
  --radius2: 28px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
html{ scroll-padding-top: 92px; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--txt);
  background: linear-gradient(180deg, var(--bg0), var(--bg1) 55%, var(--bg0));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.98; }
img{ max-width:100%; height:auto; display:block; }
button{ font-family:inherit; }

/* Skip link */
.skip{
  position:absolute;
  left:-9999px;
  top:10px;
  padding:10px 12px;
  border-radius:12px;
  background: rgba(0,0,0,.75);
  border:1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.92);
  z-index:999;
}
.skip:focus{ left:10px; }

/* Premium background */
.bg{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-6;
  overflow:hidden;
}
.bg__grid{
  position:absolute;
  inset:-40%;
  background:
    radial-gradient(circle at 50% 18%, rgba(40,255,180,.10), transparent 55%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto, 72px 72px, 72px 72px;
  transform: rotate(-8deg);
  opacity:.55;
}
.bg__blob{
  position:absolute;
  width:760px; height:760px;
  border-radius:999px;
  filter: blur(90px);
  opacity:.22;
  mix-blend-mode: screen;
  animation: blob 10s ease-in-out infinite;
}
.bg__blob--a{
  left:-260px; top:-260px;
  background:
    radial-gradient(circle at 30% 30%, rgba(40,255,180,.95), transparent 62%),
    radial-gradient(circle at 65% 60%, rgba(0,209,140,.80), transparent 62%);
}
.bg__blob--b{
  right:-280px; bottom:-300px;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,209,140,.9), transparent 62%),
    radial-gradient(circle at 65% 60%, rgba(40,255,180,.8), transparent 62%);
  animation-delay:-3s;
}
.bg__spark{
  position:absolute;
  inset:0;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(40,255,180,.45), transparent 60%),
    radial-gradient(2px 2px at 62% 55%, rgba(40,255,180,.35), transparent 60%),
    radial-gradient(2px 2px at 84% 20%, rgba(40,255,180,.40), transparent 60%),
    radial-gradient(2px 2px at 40% 82%, rgba(40,255,180,.30), transparent 60%);
  opacity:.25;
  animation: spark 6s ease-in-out infinite;
}
.bg__noise{
  position:absolute;
  inset:0;
  opacity:.055;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}
@keyframes blob{
  0%,100%{ transform: translate3d(0,0,0) scale(1); }
  50%{ transform: translate3d(44px,18px,0) scale(1.06); }
}
@keyframes spark{
  0%,100%{ opacity:.20; transform: translateY(0); }
  50%{ opacity:.32; transform: translateY(-6px); }
}

/* Canvas FX */
#fx{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:-2;
  opacity:.55;
}

.container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}
.mono{ font-family:var(--mono); }
.small{ font-size:.92rem; }
.muted{ color:var(--mut); }

.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(10,24,18,.55);
  border:1px solid rgba(40,255,180,.22);
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.pill--ghost{
  background:rgba(8,12,14,.24);
  border:1px solid rgba(255,255,255,.12);
}

/* NAV */
.nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:20;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(3,7,8,.86), rgba(3,7,8,.46));
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__inner{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 0;
  gap:14px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand__logo{
  border-radius:14px;
  box-shadow: 0 0 32px rgba(40,255,180,.18);
}
.brand__name{ font-weight:950; letter-spacing:.08em; }

.nav__links{ display:flex; gap:14px; align-items:center; }
.nav__links a{
  font-size:.95rem;
  color:rgba(234,247,241,.84);
  padding:10px 10px;
  border-radius:12px;
}
.nav__links a:hover{
  background:rgba(40,255,180,.08);
  border:1px solid rgba(40,255,180,.12);
  padding:9px 9px;
}
.nav__actions{ display:flex; align-items:center; gap:10px; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(10,18,14,.34);
  color:var(--txt);
  cursor:pointer;
  transition: transform .15s ease, border-color .15s ease, filter .15s ease;
  will-change: transform;
}
.btn:hover{ transform: translateY(-1px); border-color:rgba(40,255,180,.25); }
.btn:active{ transform: translateY(0) scale(.99); }
.btn--small{ padding:10px 12px; border-radius:12px; font-size:.95rem; }
.btn--primary{
  background: linear-gradient(135deg, rgba(40,255,180,.95), rgba(0,209,140,.85));
  color:#03110B;
  border-color:rgba(40,255,180,.45);
  box-shadow: 0 18px 50px rgba(0,209,140,.16);
}
.btn--ghost{ background:rgba(8,12,14,.24); }

/* Hamburger */
.hamburger{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(8,12,14,.24);
  cursor:pointer;
}
.hamburger span{
  display:block;
  width:20px; height:2px;
  background:rgba(234,247,241,.85);
  margin:5px auto;
  border-radius:2px;
}

/* Mobile */
.mobile{ border-top:1px solid rgba(255,255,255,.08); }
.mobile__panel{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
  padding:10px 0 18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.mobile__panel a{
  padding:12px 14px;
  border-radius:14px;
  background:rgba(10,18,14,.34);
  border:1px solid rgba(255,255,255,.10);
}
.mobile__cta{
  grid-column:1 / -1;
  background:linear-gradient(135deg, rgba(40,255,180,.95), rgba(0,209,140,.85));
  color:#03110B;
  font-weight:950;
}

/* HERO FULLSCREEN ALWAYS */
.hero{
  position:relative;
  min-height: 100svh;
  min-height: 100dvh;
  width:100%;
  padding-top:86px;
  overflow:hidden;
  display:flex;
  align-items:stretch;
}
.hero__video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transform:translateZ(0);
  will-change:opacity;
  opacity:0;
  transition: opacity .35s ease;
  filter: saturate(1.08) contrast(1.05);
}
.hero__video.is-ready{ opacity:1; }

.hero__overlay{
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 650px at 50% 20%, rgba(40,255,180,.18), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.30), rgba(0,0,0,.88));
}

.hero__inner{
  position:relative;
  z-index:2;
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
  padding:26px 0 42px;
  align-self:center;
}

.hero__kicker{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:18px; }
.hero__title{
  font-size: clamp(2.1rem, 3.2vw + 1rem, 4rem);
  line-height:1.05;
  margin:0 0 14px;
  letter-spacing:-.02em;
}
.hero__sub{
  max-width: 820px;
  font-size: clamp(1.02rem, .55vw + .9rem, 1.2rem);
  color:rgba(234,247,241,.86);
  line-height:1.6;
  margin:0 0 22px;
}
.glow{
  background: linear-gradient(90deg, rgba(40,255,180,1), rgba(234,247,241,1));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow: 0 0 40px rgba(40,255,180,.14);
}

.hero__cta{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px; }

.hero__meta{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:18px;
}
.metaCard{
  background:rgba(4,10,8,.52);
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  padding:14px;
  box-shadow: 0 16px 50px rgba(0,0,0,.25);
  position:relative;
  overflow:hidden;
}
.metaCard::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:1px;
  background: linear-gradient(135deg, rgba(40,255,180,.38), rgba(255,255,255,.06), rgba(0,209,140,.22));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events:none;
  opacity:.9;
}
.metaCard__label{ color:rgba(183,216,203,.85); font-size:.9rem; }
.metaCard__value{ margin-top:6px; font-weight:700; }

.hero__hint{
  margin-top:28px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:rgba(234,247,241,.7);
  font-size:.95rem;
}
.hero__chev{ animation: bob 1.6s ease-in-out infinite; }
@keyframes bob{ 0%,100%{transform:translateY(0)} 50%{transform:translateY(4px)} }

/* Tap-to-play button */
.heroPlay{
  position:absolute;
  left:50%;
  top:78%;
  transform:translate(-50%,-50%);
  z-index:5;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.45);
  color: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  display:none;
}
.heroPlay.is-visible{ display:inline-flex; }

/* Sections */
.section{
  padding:78px 0;
  position:relative;
  z-index:1;
  content-visibility:auto;
  contain-intrinsic-size: 900px;
}
.section--tight{ padding:56px 0; }
.section__head{ margin-bottom:22px; }
.section__head h2{
  margin:0 0 10px;
  font-size: clamp(1.7rem, 1.2vw + 1.2rem, 2.4rem);
}
.section__head p{
  margin:0;
  color:rgba(183,216,203,.92);
  line-height:1.6;
  max-width: 860px;
}

/* Grid + Cards */
.grid{ display:grid; gap:14px; }
.grid--2{ grid-template-columns: repeat(2, 1fr); }
.grid--3{ grid-template-columns: repeat(3, 1fr); }

.card{
  padding:18px;
  border-radius:var(--radius);
  background: linear-gradient(180deg, rgba(8,18,14,.56), rgba(6,12,10,.38));
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
  transition: transform .18s ease, filter .18s ease;
}
.card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: inherit;
  padding:1px;
  background: linear-gradient(135deg, rgba(40,255,180,.40), rgba(255,255,255,.06), rgba(0,209,140,.22));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events:none;
  opacity:.9;
}
.card:hover{ transform: translateY(-4px); filter: saturate(1.06); }
.card h3{ margin:0 0 10px; font-size:1.15rem; }
.card p{ margin:0; color:rgba(234,247,241,.82); line-height:1.6; }

.notice{
  margin-top:14px;
  border-radius:18px;
  padding:14px;
  border:1px solid rgba(40,255,180,.18);
  background: rgba(40,255,180,.06);
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.notice strong{ color:rgba(40,255,180,.95); }
.notice--big{ margin-top:20px; padding:16px; }

/* Lists */
.list{ list-style:none; padding:0; margin:0; display:grid; gap:10px; }
.list li{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:999px;
  background:rgba(8,12,14,.24);
  border:1px solid rgba(255,255,255,.12);
  transition: transform .12s ease, border-color .12s ease;
}
.chip:hover{ transform: translateY(-1px); border-color:rgba(40,255,180,.22); }
.chip:active{ transform: translateY(0) scale(.99); }
.bullets{ margin:0; padding-left:18px; color:rgba(234,247,241,.82); line-height:1.7; }

/* Split */
.split{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:16px;
  align-items:center;
}
.stack{ display:flex; gap:10px; flex-wrap:wrap; margin-top:16px; }

/* Logo video frame */
.mediaFrame{
  position:relative;
  border-radius:var(--radius2);
  background: linear-gradient(180deg, rgba(8,18,14,.56), rgba(6,12,10,.34));
  border:1px solid rgba(255,255,255,.10);
  overflow:hidden;
  box-shadow: var(--shadow);
}
.mediaFrame__glow{
  position:absolute;
  inset:-40px;
  background: radial-gradient(450px 220px at 50% 40%, rgba(40,255,180,.18), transparent 70%);
  pointer-events:none;
}
.logoVideo{
  width:100%;
  aspect-ratio: 16 / 9;
  height:auto;
  object-fit:cover;
  transform:translateZ(0);
}
.mediaFrame__badge{
  position:absolute;
  bottom:14px; left:14px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(8,12,14,.45);
}

/* Footer */
.footer{
  padding:46px 0;
  border-top:1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(2,5,6,.0), rgba(2,5,6,.65));
}
.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
}
.footer__brand{ display:flex; align-items:center; gap:12px; }
.footer__name{ font-weight:950; letter-spacing:.08em; }
.footer__tag{ font-size:.95rem; color:rgba(183,216,203,.9); }
.footer__links, .footer__legal{
  display:flex; gap:14px; flex-wrap:wrap;
  justify-content:flex-end;
}
.footer__small{ margin-top:12px; max-width:520px; }
.footer__right{ display:flex; flex-direction:column; align-items:flex-end; gap:12px; }

/* Reveal */
.reveal{
  opacity:0;
  transform: translateY(10px);
  transition: opacity .65s ease, transform .65s ease;
  will-change:opacity, transform;
}
.reveal.in{ opacity:1; transform: translateY(0); }

/* Responsive */
@media (max-width: 980px){
  .nav__links{ display:none; }
  .hamburger{ display:inline-flex; }
  .hero__meta{ grid-template-columns:1fr; }
  .grid--3{ grid-template-columns:1fr; }
  .grid--2{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; }
  .footer__inner{ flex-direction:column; }
  .footer__right{ align-items:flex-start; }
  .mobile__panel{ grid-template-columns:1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .bg__blob, .bg__spark{ animation:none; }
  .reveal{ transition:none; }
  .hero__chev{ animation:none; }
  #fx{ display:none; }
}
/* ===== Roadmap Cinematic Background (performance-safe) ===== */
.section--videoBg{
  position: relative;
  overflow: hidden;
  isolation: isolate; /* keeps overlays clean */
}

.section--videoBg .container{
  position: relative;
  z-index: 2;
}

/* background wrapper */
.sectionBg{
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* video covers entire section */
.sectionBg__video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .62;
  filter: saturate(1.12) contrast(1.08);
  transform: scale(1.03);
}

/* cinematic overlay for readability */
.sectionBg__overlay{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 20% 20%, rgba(40,255,180,.16), transparent 60%),
    radial-gradient(900px 520px at 70% 80%, rgba(0,209,140,.10), transparent 60%),
    linear-gradient(180deg, rgba(5,9,10,.80), rgba(5,9,10,.68) 40%, rgba(5,9,10,.86));
}

/* subtle grid (web3 feel) */
.sectionBg__grid{
  position: absolute;
  inset: 0;
  opacity: .28;
  background-image:
    linear-gradient(rgba(40,255,180,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40,255,180,.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 40%, rgba(0,0,0,.9), transparent 70%);
}
/* =========================
   Partners (moving ticker)
========================= */

.partners{
  padding: 70px 18px;
  position: relative;
  overflow: hidden;
}

.partners-inner{
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.partners-title{
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 6px;
}

.partners-subtitle{
  margin: 0 0 22px;
  opacity: .75;
}

.partners-marquee{
  position: relative;
  border-radius: 18px;
  padding: 18px 0;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
}

/* glow edges */
.partners-marquee::before,
.partners-marquee::after{
  content:"";
  position:absolute;
  top:0; bottom:0;
  width: 90px;
  z-index: 2;
  pointer-events: none;
}
.partners-marquee::before{
  left:0;
  background: linear-gradient(to right, rgba(0,0,0,0.9), rgba(0,0,0,0));
}
.partners-marquee::after{
  right:0;
  background: linear-gradient(to left, rgba(0,0,0,0.9), rgba(0,0,0,0));
}

.partners-track{
  display: flex;
  align-items: center;
  gap: 26px;
  width: max-content;
  padding: 6px 18px;
  animation: partnersScroll 18s linear infinite;
}

.partners-marquee:hover .partners-track{
  animation-play-state: paused;
}

.partner{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  min-width: 170px;
}

.partner:hover{
  transform: translateY(-2px) scale(1.02);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.16);
}

.partner img{
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,0.35));
  opacity: .95;
}

.partners-hint{
  margin-top: 12px;
  font-size: 13px;
  opacity: .65;
}

@keyframes partnersScroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .partners-track{
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
  .partners-marquee::before,
  .partners-marquee::after{
    display:none;
  }
}


/* Reduced motion / Save Data: use poster only (no video) */
@media (prefers-reduced-motion: reduce){
  .sectionBg__video{ display:none !important; }
  .sectionBg{
    background: url("assets/roadmap-bg.webp") center/cover no-repeat;
  }
}