/* ==========================================================
   EASY CUSTOMIZATION — change these values first
   ========================================================== */
:root{
  --font-heading:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-body:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --color-background:#fff;
  --color-text:#151515;
  --color-muted:#777;
  --color-border:#e7e7e7;
  --color-overlay:rgba(0,0,0,.93);
  --page-max-width:1500px;
  --page-padding:28px;
  --gallery-columns:4;
  --gallery-gap:10px;
  --image-radius:0px;
}
/* ========================================================== */

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--color-background)}
body{margin:0;background:var(--color-background);color:var(--color-text);
  font-family:var(--font-body);font-size:15px;line-height:1.5}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:50;min-height:74px;display:flex;
  align-items:center;justify-content:space-between;gap:24px;padding:14px var(--page-padding);
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--color-border)}
.brand{font-family:var(--font-heading);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav a,.nav select{border:0;background:transparent;color:var(--color-text);padding:7px 9px;cursor:pointer}
.page{width:min(100%,var(--page-max-width));margin:auto;padding:70px var(--page-padding) 80px}
.hero{text-align:center;padding:25px 0 60px}
.eyebrow{color:var(--color-muted);font-size:12px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:12px}
.hero h1{margin:0;font-family:var(--font-heading);font-size:clamp(40px,7vw,84px);
  line-height:.95;letter-spacing:-.045em;font-weight:700}
.hero p{max-width:650px;margin:22px auto 0;color:var(--color-muted)}
.month-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.month-card{display:block;position:relative;overflow:hidden;min-height:240px;
  background:#f3f3f3;border:1px solid var(--color-border)}
.month-card img{width:100%;height:100%;min-height:240px;object-fit:cover;display:block;transition:transform .5s}
.month-card:hover img{transform:scale(1.035)}
.month-card__shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.68),transparent 65%)}
.month-card__title{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;font-size:25px;font-weight:600}
.month-card__count{display:block;font-size:12px;opacity:.8}
.gallery-toolbar{display:flex;justify-content:space-between;gap:20px;margin-bottom:20px;color:var(--color-muted)}
.gallery-grid{columns:var(--gallery-columns);column-gap:var(--gallery-gap)}
.gallery-item{break-inside:avoid;margin:0 0 var(--gallery-gap);overflow:hidden;
  cursor:zoom-in;background:#f3f3f3;border-radius:var(--image-radius)}
.gallery-item img{display:block;width:100%;height:auto;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.015)}
.empty{padding:80px 20px;text-align:center;color:var(--color-muted);border:1px dashed var(--color-border)}
.empty strong{display:block;color:var(--color-text);margin-bottom:8px}
.site-footer{padding:30px var(--page-padding) 50px;text-align:center;color:var(--color-muted);
  font-size:12px;border-top:1px solid var(--color-border)}
.lightbox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  padding:40px;background:var(--color-overlay)}
.lightbox.is-open{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;width:auto;height:auto;object-fit:contain}
.lightbox button{position:fixed;border:0;background:rgba(255,255,255,.12);color:#fff;
  cursor:pointer;width:46px;height:46px;border-radius:50%;font-size:25px}
.lightbox-close{top:20px;right:20px}.lightbox-prev{left:20px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:20px;top:50%;transform:translateY(-50%)}
.lightbox-caption{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);
  color:#fff;font-size:12px;opacity:.8;max-width:80%;text-align:center}
@media(max-width:1100px){:root{--gallery-columns:3}.month-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){:root{--gallery-columns:2;--page-padding:16px}
  .site-header{align-items:flex-start;flex-direction:column;gap:8px}.nav{width:100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
  .page{padding-top:42px}.hero{padding-bottom:38px}.month-list{grid-template-columns:1fr}.lightbox{padding:20px}}
@media(max-width:480px){:root{--gallery-columns:1}.hero h1{font-size:48px}}