:root{
  --bg: #071423;
  --card: rgba(255,255,255,.06);
  --card-2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);
  --primary: #0ea5e9;
  --primary-2: #3b82f6;
  --good: #22c55e;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1100px 600px at 15% 10%, rgba(14,165,233,.32), transparent 55%),
              radial-gradient(1000px 600px at 85% 30%, rgba(59,130,246,.25), transparent 50%),
              var(--bg);
  color: var(--text);
}

.container{
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(7,20,35,.65);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}
.topbar__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand{
  display: inline-flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}
.brand__mark{
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 6px rgba(14,165,233,.15);
}
.brand__text{ letter-spacing: .2px; }

.topbar__nav{ display: flex; gap: 18px; }
.link{
  color: rgba(255,255,255,.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.link:hover{
  color: rgba(255,255,255,.95);
  border-bottom-color: rgba(255,255,255,.35);
}

main{ padding: 28px 0 42px; }

.hero__grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: center;
}

.hero__title{
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
}
.hero__titleAccent{
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle{
  margin: 0 0 18px;
  max-width: 52ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}
.hero__cta{ display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }

.features{
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
  margin: 0;
}
.features__item{
  display: flex;
  gap: 10px;
  color: rgba(255,255,255,.84);
}
.features__item::before{
  content: "•";
  color: var(--good);
  font-weight: 900;
}

.hero__card{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  padding: 18px;
}
.heroPreview{
  border-radius: 14px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.1);
  padding: 14px;
}
.heroPreview__badge{
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(14,165,233,.16);
  border: 1px solid rgba(14,165,233,.3);
  color: rgba(200,245,255,.95);
  font-weight: 700;
  font-size: 12px;
}
.heroPreview__title{ margin-top: 10px; font-weight: 800; font-size: 16px; }
.heroPreview__line{ height: 1px; background: rgba(255,255,255,.12); margin: 12px 0; }
.heroPreview__row{
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.84);
  font-size: 13px;
  margin: 10px 0;
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
}
.dot--good{ background: rgba(34,197,94,.95); box-shadow: 0 0 0 6px rgba(34,197,94,.14); }
.heroPreview__hint{
  margin-top: 16px;
  color: rgba(255,255,255,.7);
  font-size: 12px;
}

/* Betting demo UI */
.betCard{
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.betCard__badge{
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  width: fit-content;
  border-radius: 999px;
  background: rgba(34,197,94,.16);
  border: 1px solid rgba(34,197,94,.28);
  color: rgba(210,255,228,.95);
  font-weight: 800;
  font-size: 12px;
}
.betCard__title{
  font-weight: 1000;
  font-size: 16px;
}
.betCard__muted{
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 13px;
  line-height: 1.5;
}
.betCard__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.betCard__total{
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(14,165,233,.11);
  border: 1px solid rgba(14,165,233,.28);
  font-weight: 1000;
}
.betSummary{
  background: rgba(14,165,233,.09);
  border-color: rgba(14,165,233,.24);
}

.page__grid{
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 22px;
  align-items: start;
}
.page__title{ margin: 0 0 8px; font-size: 30px; letter-spacing: -.3px; }
.muted{ color: var(--muted); }

.card{
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(255,255,255,.12);
  padding: 18px;
}

.form{
  padding: 18px;
}
.form__row{
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}
.label{
  font-weight: 650;
  font-size: 14px;
  color: rgba(255,255,255,.86);
}
.input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}
.input::placeholder{ color: rgba(255,255,255,.4); }
.input:focus{
  border-color: rgba(14,165,233,.55);
  box-shadow: 0 0 0 4px rgba(14,165,233,.18);
}
.form__actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 8px;
}
.form__hint{ margin: 10px 0 0; min-height: 18px; font-size: 13px; }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
}
.btn--primary{
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: rgba(255,255,255,.98);
  border-color: rgba(255,255,255,.08);
}
.btn--primary:hover{ filter: brightness(1.03); }
.btn--ghost{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
  color: rgba(255,255,255,.9);
}
.btn--ghost:hover{ background: rgba(255,255,255,.09); }

.side__box{
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card-2);
  border: 1px solid rgba(255,255,255,.12);
}
.side__title{ font-weight: 900; margin-bottom: 10px; }
.side__list{ margin: 0; padding-left: 18px; color: rgba(255,255,255,.82); }
.side__list li{ margin: 8px 0; }

.success{
  margin-top: 12px;
  background: rgba(34,197,94,.12);
  border-color: rgba(34,197,94,.28);
}
.success__badge{
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(34,197,94,.22);
  border: 1px solid rgba(34,197,94,.35);
  margin-bottom: 10px;
  position: relative;
}
.success__badge::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(transparent 55%, rgba(255,255,255,.65) 55%, rgba(255,255,255,.65) 60%, transparent 60%),
    linear-gradient(90deg, transparent 55%, rgba(255,255,255,.65) 55%, rgba(255,255,255,.65) 60%, transparent 60%);
  transform: rotate(45deg);
  opacity: .9;
}
.success__title{ font-weight: 1000; margin-bottom: 6px; }
.success__sub{ line-height: 1.5; }

.footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.footer__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 920px){
  .hero__grid{ grid-template-columns: 1fr; }
  .page__grid{ grid-template-columns: 1fr; }
  .side{ order: 2; }
}