:root {
  --bg: #0d0d10;                 
  --card: rgba(20, 20, 26, 0.78);
  --text: #ffffff;               
  --muted: rgba(255, 230, 218, 1);

  --accent: #f15a22;
  --accent2: #ff9a52;

  --border: rgba(241, 90, 34, 0.30);
  --borderSoft: rgba(255, 255, 255, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;

  background:
    radial-gradient(circle at 50% 18%,
      rgba(241, 90, 34, 0.55) 0%,
      rgba(241, 90, 34, 0.18) 28%,
      rgba(241, 90, 34, 0.06) 55%,
      transparent 72%),
    radial-gradient(circle at 50% 88%,
      rgba(255, 154, 82, 0.22) 0%,
      rgba(241, 90, 34, 0.08) 45%,
      transparent 75%),
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.02) 0%,
      transparent 40%,
      rgba(255, 255, 255, 0.01) 100%),
    var(--bg);
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto;
  padding: 28px 0 60px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;

  background: rgba(15, 15, 18, 0.65);
  backdrop-filter: blur(10px);

  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 26px;

  box-shadow: 0 0 0 1px rgba(241, 90, 34, 0.08) inset,
              0 12px 40px rgba(0, 0, 0, 0.35);
}

.brand {
  font-weight: 850;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-block;
}

.logo img {
  width: 34px;                 
  max-height: 34px;
  object-fit: contain;
  border-radius: 10px;
  display: block;
}

.navlinks {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.navlinks a {
  color: rgba(255, 215, 196, 0.9);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  transition: 0.2s;
  border: 1px solid transparent;
}

.navlinks a:hover {
  color: var(--text);
  background: rgba(241, 90, 34, 0.10);
  border: 1px solid rgba(241, 90, 34, 0.30);
}

.hero {
  padding: 34px 22px;
  border-radius: 18px;

  border: 1px solid rgba(241, 90, 34, 0.28);
  background:
    linear-gradient(180deg, rgba(241, 90, 34, 0.10), rgba(0,0,0,0.00) 55%),
    rgba(18, 18, 20, 0.62);

  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05) inset,
    0 18px 60px rgba(0,0,0,0.40);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 10px;
}

.hero p {
  color: rgba(255, 215, 196, 0.88);
  max-width: 70ch;
}

.badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.badge {
  font-size: 0.9rem;
  padding: 6px 10px;
  border-radius: 999px;

  border: 1px solid rgba(241, 90, 34, 0.28);
  color: rgba(255, 215, 196, 0.92);
  background: rgba(241, 90, 34, 0.08);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.card {
  border: 1px solid rgba(241, 90, 34, 0.22);
  background: var(--card);
  border-radius: 16px;
  padding: 16px;

  box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset,
              0 14px 40px rgba(0,0,0,0.35);
}

.card h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.card p {
  color: rgba(255, 215, 196, 0.88);
  font-size: 0.95rem;
}

.section-title {
  margin: 18px 0 10px;
  font-size: 1.2rem;
}

.cta {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.sponsor-logo {
  width: 100%;
  height: 92px;                 
  border-radius: 14px;
  margin: 10px 0 12px;

  background: #ffffff;          
  border: 1px solid rgba(241, 90, 34, 0.35);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);

  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sponsor-logo a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;      
  justify-content: center;  
  text-decoration: none;
}

.sponsor-logo img {
  width: 180px;                 
  max-width: 80%;               
  max-height: 70px;
  object-fit: contain;
  display: block;
}

.sponsor-logo:hover {
  transform: translateY(-2px);
  transition: 0.15s;
  box-shadow: 0 10px 28px rgba(0,0,0,0.30);
}

.button {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 650;
  border: 1px solid var(--borderSoft);
  transition: 0.2s;
}

.button.primary {
  color: #140701;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  box-shadow: 0 10px 25px rgba(241, 90, 34, 0.30);
}

.button.primary:hover { filter: brightness(1.05); }

.button.secondary {
  color: var(--text);
  background: rgba(241, 90, 34, 0.08);
  border: 1px solid rgba(241, 90, 34, 0.28);
}

.button.secondary:hover {
  background: rgba(241, 90, 34, 0.12);
  border-color: rgba(241, 90, 34, 0.38);
}

ul.rules {
  margin-left: 18px;
  color: var(--muted);
}

ol.rules {
  margin-left: 24px;
  color: var(--muted);
}

li {
  margin-top: 5px;
}

.faq details {
  border: 1px solid rgba(241, 90, 34, 0.22);
  background: rgba(20, 20, 26, 0.78);
  border-radius: 16px;
  padding: 12px 14px;
}

.faq details + details {
  margin-top: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 1.2rem;
  opacity: 0.9;
}

.faq details[open] summary::after {
  content: "–";
}

.faq .answer {
  margin-top: 10px;
  color: var(--muted);
}

.footer {
  margin-top: 30px;
  color: rgba(255, 215, 196, 0.78);
  font-size: 0.9rem;
  text-align: center;
  opacity: 0.95;
}

@media (max-width: 850px) {
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    body {
        line-height: 1.7;
    }

    .container {
        padding: 20px 0 48px;
    }

    .hero {
        padding: 26px 18px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .card {
        padding: 14px;
    }

    .card h3 {
        font-size: 1rem;
    }

    .card p {
        font-size: 0.92rem;
    }

    nav {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .brand {
        justify-content: center;
    }

    .navlinks {
        justify-content: center;
        gap: 8px;
    }

    .navlinks a {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    .grid,
    .grid2,
    .grid4 {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .sponsor-logo {
        height: 80px;
    }

    .sponsor-logo img {
        width: 150px;
        max-height: 60px;
    }

    .button {
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    .cta {
        flex-direction: column;
        align-items: stretch;
    }

    .cta .button {
        width: 100%;
        text-align: center;
    }
}