/* ─────────────────────────────────────────────────────────────
   HEADER · top bar, menu, small blinking eye logo
   ───────────────────────────────────────────────────────────── */
.top { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding-top: env(safe-area-inset-top, 0px); transition: background .4s, backdrop-filter .4s; }
.top.solid { background: rgba(17,9,38,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; height: var(--header-h); max-width: 1360px; margin: 0 auto; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }

.logo { display: flex; align-items: center; text-decoration: none; justify-self: start; transition: opacity .5s, transform .5s; }
.top:not(.solid) .logo { opacity: 0; transform: translateY(-8px); pointer-events: none; }

/* the eye (also used, larger, on the summit) */
.eye { position: relative; display: block; line-height: 0; }
.eye img { width: 118px; height: auto; display: block; clip-path: inset(0% 0% 0% 0% round 45%); transition: clip-path .26s cubic-bezier(.45,0,.55,1), width .4s; filter: drop-shadow(0 2px 10px rgba(12,5,30,.6)); animation: eyeGlow 4s ease-in-out infinite; }
.top.solid .eye img { width: 92px; }
.eye::after { content: ""; position: absolute; left: 6%; right: 6%; top: 50%; height: 2px; margin-top: -1px; border-radius: 2px; background: linear-gradient(90deg, transparent, #f5dca4 20%, #fff 50%, #f5dca4 80%, transparent); box-shadow: 0 0 10px #e9bd67; transform: scaleX(.2); opacity: 0; transition: transform .26s, opacity .26s; }
.eye.blink img { clip-path: inset(48% 0% 48% 0% round 45%); }
.eye.blink::after { transform: scaleX(1); opacity: 1; }
.eye::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(110deg, transparent 40%, rgba(255,255,255,.55) 50%, transparent 60%); background-size: 300% 100%; -webkit-mask: var(--eye-mask) center/100% 100% no-repeat; mask: var(--eye-mask) center/100% 100% no-repeat; animation: eyeShine 6s ease-in-out infinite 3s; }
@keyframes eyeGlow { 50% { filter: drop-shadow(0 2px 10px rgba(12,5,30,.6)) drop-shadow(0 0 12px rgba(255,120,200,.55)); } }
@keyframes eyeShine { 0% { background-position: 120% 0; } 35%, 100% { background-position: -40% 0; } }

/* menu */
.nav { display: flex; gap: clamp(22px, 4.2vw, 64px); animation: fadeIn 1s 2.2s both; }
.nav a { text-decoration: none; font: italic 800 .98rem/1 var(--f-ui); letter-spacing: .12em; text-shadow: 0 1px 10px rgba(12,5,30,.8); padding: 10px 0; position: relative; color: var(--ivory); opacity: .86; }
.nav a::after { content: ""; position: absolute; left: -6px; right: -6px; bottom: -4px; height: 3px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .35s; clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%); }
.nav a::before { content: "◆"; position: absolute; left: -16px; top: 50%; font-size: .55rem; color: var(--magenta); text-shadow: 0 0 8px var(--magenta); transform: translate(-6px, -50%) scale(.4); opacity: 0; transition: all .3s; }
.nav a:hover, .nav a.on { opacity: 1; color: var(--gold-soft); text-shadow: 0 0 14px rgba(233,189,103,.6), 0 1px 10px rgba(12,5,30,.8); }
.nav a:hover::after, .nav a.on::after { transform: scaleX(1); }
.nav a.on::after { box-shadow: 0 0 10px var(--gold); }
.nav a:hover::before, .nav a.on::before { opacity: 1; transform: translate(0, -50%) scale(1); }

.menu-btn { display: none; justify-self: end; grid-column: 3; background: none; border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font: italic 700 .78rem/1 var(--f-ui); letter-spacing: .2em; }

@media (max-width: 900px) {
  :root { --header-h: 72px; }
  .top.solid { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(17,9,38,.96); }
  .top .bar { grid-template-columns: 1fr auto; }
  .nav { position: fixed; inset: 0; flex-direction: column; align-items: center; justify-content: center; gap: 26px; background: rgba(17,9,38,.97); transform: translateY(-100%); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
  .nav.open { transform: none; }
  .nav a { font-size: 1.15rem; }
  .menu-btn { display: block; position: relative; z-index: 2; }
}