/* ═══════════════════════════════════════════════════════
   OLVI+ · Shared styles — nav, lightbox, reset, base
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg:#f9f8f4; --bg2:#f3f1eb; --dark:#18170e;
  --gold:#b5882e; --gold2:#8a6520;
  --gold-lite:rgba(181,136,46,.55); --muted:#6b6455;
  --line:rgba(181,136,46,.18); --line2:rgba(181,136,46,.3);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

/* ── Base ── */
body{
  background:var(--bg);color:var(--dark);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Playfair Display',Georgia,serif;font-weight:400;line-height:1.2;letter-spacing:-.3px}
h1{font-size:clamp(28px,4.5vw,52px)}
h2{font-size:clamp(22px,3.5vw,40px)}
h3{font-size:clamp(17px,2.2vw,24px)}

/* ── Nav ── */
nav{
  position:fixed;top:0;left:0;right:0;z-index:999;height:62px;
  display:flex;align-items:center;justify-content:space-between;padding:0 48px;
  background:rgba(249,248,244,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.nav-logo{
  font-family:'Playfair Display',Georgia,serif;font-size:17px;
  letter-spacing:3.5px;text-transform:uppercase;font-weight:600;flex-shrink:0
}
.nav-logo span{color:var(--gold)}
.nav-menu{display:flex;list-style:none;gap:32px;flex:1;justify-content:center}
.nav-menu a{font-size:12px;letter-spacing:.12em;text-transform:uppercase;opacity:.65;transition:opacity .2s}
.nav-menu a:hover{opacity:1}
.nav-cta{
  display:inline-block;padding:10px 20px;background:var(--dark);color:#fff;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  transition:background .2s;flex-shrink:0
}
.nav-cta:hover{background:var(--gold2)}
.burger{display:none;flex-direction:column;gap:5px;border:none;background:none;cursor:pointer;padding:4px}
.burger span{display:block;width:22px;height:1.5px;background:var(--dark)}

/* Burger open state */
nav.open .nav-menu{
  display:flex;flex-direction:column;
  position:fixed;top:62px;left:0;right:0;
  background:var(--bg);padding:24px 20px 32px;gap:20px;
  border-bottom:1px solid var(--line);z-index:998
}
nav.open .nav-cta{display:inline-block}
nav.open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
nav.open .burger span:nth-child(2){opacity:0}
nav.open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ── Lightbox ── */
#lightbox{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:9999;
  align-items:center;justify-content:center;padding:60px 60px 24px
}
#lightbox.open{display:flex}
.lb-close{
  position:fixed;top:20px;right:28px;color:#fff;font-size:32px;cursor:pointer;
  background:none;border:none;line-height:1;opacity:.7;transition:opacity .2s;z-index:10
}
.lb-close:hover{opacity:1}
.lb-prev,.lb-next{
  position:fixed;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.08);border:none;color:#fff;font-size:28px;
  padding:14px 18px;cursor:pointer;transition:background .2s;z-index:10
}
.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.2)}
.lb-prev{left:12px}
.lb-next{right:12px}
.lb-wrap{display:flex;flex-direction:column;align-items:stretch;max-width:90vw}
.lb-wrap.pos-right,.lb-wrap.pos-left{flex-direction:row;align-items:center;gap:0}
.lb-wrap.pos-bottom{flex-direction:column-reverse}
.lb-wrap.pos-left{flex-direction:row-reverse}
.lb-panel{background:#fff;padding:24px 28px;min-width:180px}
.lb-wrap.pos-right .lb-panel,.lb-wrap.pos-left .lb-panel{
  width:280px;flex-shrink:0;max-height:70vh;overflow-y:auto;
  align-self:stretch;display:flex;flex-direction:column;justify-content:center
}
.lb-wrap.pos-top .lb-panel,.lb-wrap.pos-bottom .lb-panel{width:100%}
.lb-ptitle{
  font-size:16px;font-weight:600;margin-bottom:10px;color:#18170e;
  font-family:'Playfair Display',Georgia,serif;line-height:1.3
}
.lb-pdesc{font-size:13px;color:#5e5b4e;line-height:1.65}
#lightbox img{display:block;max-width:88vw;max-height:72vh;object-fit:contain}
.lb-wrap.pos-right img,.lb-wrap.pos-left img{max-width:60vw;max-height:78vh}

/* ── Responsive nav ── */
@media(max-width:640px){
  nav{padding:0 20px;gap:16px}
  .nav-menu,.nav-cta{display:none}
  .burger{display:flex}
}