:root{
  --bg:#080807;
  --bg-soft:#11110f;

  --panel:rgba(20,20,18,0.82);
  --panel-solid:#171612;

  --line:rgba(255,255,255,0.10);
  --line-light:rgba(255,255,255,0.16);

  --text:#f7f4ee;
  --muted:#bdb5a7;

  --gold:#d9af52;
  --gold-bright:#f7d98c;

  --shadow:
  0 18px 50px rgba(0,0,0,0.45);

  --transition:0.35s cubic-bezier(.22,.61,.36,1);
}

/* =========================
   GLOBAL
========================= */

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;

  background:var(--bg);
  color:var(--text);

  font-family:
  Inter,
  ui-sans-serif,
  system-ui,
  -apple-system,
  BlinkMacSystemFont,
  "Segoe UI",
  Arial,
  sans-serif;
}

img{
  display:block;
  max-width:100%;
}

a{
  text-decoration:none;
  color:inherit;
}

/* =========================
   HEADER
========================= */

.site-header{
  position:fixed;
  top:18px;
  left:0;
  width:100%;

  z-index:999;
  padding:0 22px;
}

/* =========================
   NAV WRAP
========================= */

.nav-wrap{
  position:relative;

  width:min(2560px,100%);
  height:120px;

  margin:auto;
  padding:0 24px;

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;

  border:1px solid rgba(255,255,255,0.08);
  border-radius:24px;

  background:
  linear-gradient(
    180deg,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.03)
  );

  backdrop-filter:blur(22px);

  box-shadow:
  0 10px 40px rgba(0,0,0,0.35),
  inset 0 1px 0 rgba(255,255,255,0.05);
}

/* subtle glow */

.nav-wrap::before{
  content:"";

  position:absolute;
  inset:0;

  border-radius:inherit;

  background:
  linear-gradient(
    90deg,
    transparent,
    rgba(217,175,82,0.12),
    transparent
  );

  opacity:.7;
  pointer-events:none;
}

/* =========================
   BRAND
========================= */

.brand{
  position:relative;

  display:flex;
  align-items:center;
  gap:14px;

  min-width:max-content;

  z-index:2;
  
}

.brand img{
  width:120px;
  height:120px;

  object-fit:contain;

  filter:
  drop-shadow(0 0 24px rgba(217,175,82,0.30));

  transition:
  transform .65s cubic-bezier(.22,.61,.36,1),
  filter .65s cubic-bezier(.22,.61,.36,1),
  opacity .45s ease;

}

.brand:hover img{
  filter:
  drop-shadow(0 0 36px rgba(255, 202, 86, 0.9));
}

.brand span{
  font-size:1rem;
  font-weight:800;

  text-transform:uppercase;
  letter-spacing:0.18em;

  color:var(--text);

  line-height:1.2;
}

/* =========================
   NAVIGATION
========================= */

.primary-menu{
  display:flex;
  align-items:center;
  gap:10px;
  list-style: none;
}

.primary-menu a{
  position:relative;

  padding:14px 18px;

  font-size:1rem;
  font-weight:700;
  letter-spacing:.02em;

  list-style: none;

  color:var(--muted);

  border-radius:14px;

  transition:
  color var(--transition),
  background var(--transition),
  transform var(--transition),
  box-shadow var(--transition);
}

/* modern underline hover */

.primary-menu a::before{
  content:"";

  position:absolute;
  left:18px;
  right:18px;
  bottom:8px;

  height:2px;

  border-radius:999px;

  background:
  linear-gradient(
    90deg,
    var(--gold-bright),
    var(--gold)
  );

  transform:scaleX(0);
  transform-origin:left;

  transition:transform .35s ease;
}

.primary-menu a:hover{
  color:var(--text);

  background:rgba(255,255,255,0.04);

  transform:translateY(-2px);
}

.primary-menu a:hover::before{
  transform:scaleX(1);
}

/* =========================
   CTA BUTTON
========================= */

.menu-cta{
  margin-left:8px;

  padding:15px 24px !important;

  border-radius:999px;

  font-size:1rem;
  font-weight:800 !important;
  letter-spacing:.03em;

  color:#16130d !important;

  background:
  linear-gradient(
    135deg,
    var(--gold-bright),
    var(--gold)
  );

  box-shadow:
  0 14px 35px rgba(217,175,82,0.30),
  inset 0 1px 0 rgba(255,255,255,0.35);

  overflow:hidden;
}

/* shine effect */

.menu-cta::after{
  content:"";

  position:absolute;
  top:0;
  left:-120%;

  width:90%;
  height:100%;

  background:
  linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.55),
    transparent
  );

  transform:skewX(-20deg);

  transition:left .7s ease;
}

.menu-cta:hover{
  background:
  linear-gradient(
    135deg,
    var(--gold-bright),
    var(--gold)
  ) !important;

  color:#16130d !important;

  transform:translateY(-3px) scale(1.03) !important;

  box-shadow:
  0 18px 42px rgba(217,175,82,0.42),
  inset 0 1px 0 rgba(255,255,255,0.35);
}

.menu-cta:hover::after{
  left:130%;
}

.menu-cta::before{
  display:none;
}

/* =========================
   MOBILE TOGGLE
========================= */

.nav-toggle{
  position:relative;

  display:none;

  width:52px;
  height:52px;

  border:none;
  border-radius:18px;

  background:
  linear-gradient(
    180deg,
    rgba(255,255,255,0.10),
    rgba(255,255,255,0.03)
  );

  backdrop-filter:blur(12px);

  box-shadow:
  inset 0 1px 0 rgba(255,255,255,0.08);

  cursor:pointer;

  transition:
  transform var(--transition),
  background var(--transition);
}

.nav-toggle:hover{
  transform:scale(1.05);
}

.nav-toggle span{
  display:block;

  width:22px;
  height:2px;

  margin:5px auto;

  border-radius:999px;

  background:var(--text);

  transition:all .3s ease;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 920px){

  .site-header{
    top:14px;
    padding:0 14px;
  }

  .nav-wrap{
    height:90px;

    padding:0 18px;

    border-radius:22px;
  }

  .brand img{
    width:90px;
    height:90px;
  }

  /* .brand span{
    font-size:.88rem;
    letter-spacing:.12em;
  } */

  .nav-toggle{
    display:inline-block;
  }

  .primary-menu{
    position:absolute;

    top:96px;
    left:0;
    right:0;

    display:none;

    padding:22px;

    border:1px solid rgba(255,255,255,0.08);
    border-radius:26px;

    background:
    linear-gradient(
      180deg,
      rgba(17,17,15,0.98),
      rgba(10,10,9,0.98)
    );

    backdrop-filter:blur(24px);

    box-shadow:var(--shadow);
  }

  .primary-menu.is-open{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:8px;

    animation:menuFade .35s ease;
  }

  .primary-menu a{
    width:100%;

    padding:16px 18px;

    font-size:1rem;

    border-radius:16px;
  }

  .primary-menu a::before{
    left:18px;
    right:auto;
    width:50px;
  }

  .menu-cta{
    margin-top:8px;
    width:100%;
    text-align:center;
    justify-content:center;
  }
}

/* =========================
   ANIMATION
========================= */

@keyframes menuFade{
  from{
    opacity:0;
    transform:translateY(-10px);
  }

  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* =========================
   SPONSORS DROPDOWN
========================= */

.sponsors-menu {
  position: relative;
}

.sponsors-menu > a {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-icon {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.sponsors-menu:hover .dropdown-icon {
  transform: rotate(180deg);
}

.sponsors-menu .submenu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;

  min-width: 240px;

  padding: 12px;

  list-style: none;

  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.08),
      rgba(255,255,255,0.1)
    );

  backdrop-filter: blur(24px);

  box-shadow:
    0 20px 50px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.05);

  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);

  transition: all 0.35s ease;

  z-index: 9999;
}

.sponsors-menu .submenu::before {
  content: "";

  position: absolute;
  inset: 0;

  border-radius: inherit;

  background:
    linear-gradient(
      90deg,
      transparent,
      rgba(217,175,82,0.08),
      transparent
    );

  pointer-events: none;
}

.sponsors-menu:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sponsors-menu .submenu li {
  margin: 0;
}

.sponsors-menu .submenu li a {
  display: flex;
  align-items: center;

  padding: 14px 18px;

  border-radius: 12px;

  color: var(--muted);

  font-size: 15px;
  font-weight: 600;

  transition: all var(--transition);
}

.sponsors-menu .submenu li a:hover {
  color: var(--gold-bright);

  background: rgba(255,255,255,0.05);

  transform: translateX(6px);
}

/* Mobile */

@media (max-width: 920px) {
  .sponsors-menu .submenu {
    position: static;

    min-width: 100%;

    margin-top: 10px;

    opacity: 1;
    visibility: visible;
    transform: none;

    display: none;
  }

  .sponsors-menu:hover .submenu {
    display: block;
  }
}