/* =========================================================
   Supermodel — Shared Header/Nav Styles
   Included on every page. Canonical reference: index.html
   ========================================================= */

/* ----- Announcement Banner ----- */
.announcement-banner {
  background: #FFFFFF;
  color: #000000;
  text-align: center;
  padding: 10px 48px 10px 24px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: .05em;
  border-bottom: 1px solid #E0E0E0;
  position: relative;
  z-index: 101;
}
.announcement-banner a {
  color: #000000;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity .2s;
}
.announcement-banner a:hover { opacity: 0.6; }
.announcement-banner .banner-inner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.announcement-banner .banner-tag {
  background: #000000;
  color: #FFFFFF;
  font-size: 0.6rem;
  padding: 2px 7px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.announcement-banner .banner-arrow { font-size: 0.75rem; opacity: 0.5; }
.announcement-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #000000;
  font-size: 1rem;
  line-height: 1;
  opacity: 0.4;
  padding: 4px;
  transition: opacity .2s;
}
.announcement-close:hover { opacity: 0.8; }

/* ----- Nav ----- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,0,0,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: 'Lexend Peta', sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
}
.logo-icon { height: 20px; display: flex; align-items: center; justify-content: center; }
.logo-icon svg { height: 100%; width: auto; }
.logo-wordmark { height: 20px; display: flex; align-items: center; }
.logo-wordmark svg { height: 100%; width: auto; }

nav ul { display: flex; gap: 28px; list-style: none; }
nav a {
  color: var(--text);
  font-size: 0.68rem;
  font-weight: 300;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  text-decoration: none;
  transition: color .2s;
}
nav a:hover { color: var(--text); opacity: 0.7; }

.star-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: .8rem;
  color: var(--text);
  font-weight: 400;
  transition: all .2s;
  white-space: nowrap;
  background: transparent;
  font-family: var(--font);
  text-decoration: none;
  cursor: pointer;
}
.star-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }
.star-btn:hover { border-color: var(--text); background: var(--text); color: var(--bg); opacity: 1; }
.star-btn:hover svg { fill: var(--bg); stroke: var(--bg); }
nav .star-btn { padding: 4px 10px; font-size: .72rem; }
nav .star-btn svg { width: 12px; height: 12px; }

/* ----- Mobile hamburger ----- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
nav.open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
nav.open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  nav ul {
    display: none;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background: rgba(0,0,0,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 8px 0;
    gap: 0;
    z-index: 99;
  }
  nav.open ul { display: flex; }
  nav ul li { padding: 0; border-bottom: 1px solid var(--border); }
  nav ul li:last-child { border-bottom: none; }
  nav ul li a { display: flex; padding: 14px 24px; font-size: .8rem; align-items: center; gap: 8px; border: none; background: none; color: var(--text); width: 100%; opacity: 1; }
  nav .star-btn { border: none; background: none; padding: 14px 24px; font-size: .8rem; width: 100%; border-radius: 0; }
  nav .star-btn:hover { background: rgba(255,255,255,0.05); color: var(--text); border: none; }
}