header.site-nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(62,12,23,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(20px,5vw,64px) 14px 16px;
}

.logo{ display: flex; align-items: center; text-decoration: none; }
.logo-img{ height: 40px; width: auto; display: block; }

.nav-links{
  display: flex;
  gap: clamp(16px,3vw,36px);
  font-size: 15px;
  font-weight: 500;
}

.nav-links a{
  text-decoration: none;
  color: var(--buttermilk);
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after{
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--peach);
  transition: right .25s ease;
}

.nav-links a:hover::after{ right: 0; }

.nav-button{
  background: var(--peach);
  color: var(--burgundy);
  font-weight: 700;
  font-size: 14px;
  padding: 9px 18px;
  border-radius: var(--radius-organic);
  text-decoration: none;
  display: inline-block;
  transition: transform .15s ease;
}

.nav-button:active{ transform: scale(.94); }

.scroll-progress{
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--olive), var(--peach));
  transition: width .12s linear;
  z-index: 2;
}

.menu-button{
  display: none;
  background: none;
  border: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
}

.menu-button span{
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 2px;
  background: var(--buttermilk);
  border-radius: 2px;
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .2s ease;
}
.menu-button span:nth-child(1){ transform: translate(-50%, -7px); }
.menu-button span:nth-child(2){ transform: translate(-50%, 0); }
.menu-button span:nth-child(3){ transform: translate(-50%, 7px); }

.menu-button.open span:nth-child(1){ transform: translate(-50%, 0) rotate(45deg); }
.menu-button.open span:nth-child(2){ opacity: 0; transform: translate(-50%, 0) scale(0); }
.menu-button.open span:nth-child(3){ transform: translate(-50%, 0) rotate(-45deg); }

.mobile-nav{
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  background: var(--burgundy);
  border-top: 1px solid var(--line);
  padding: 6px 16px 14px;
  box-shadow: 0 18px 30px rgba(0,0,0,0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .25s ease, transform .25s ease;
}

.mobile-nav.open{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav a{
  color: var(--buttermilk);
  text-decoration: none;
  font-size: 17px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-child{ border-bottom: none; }