:root {
  --bg: #0e0f12;
  --surface: #17191e;
  --line: #262931;
  --text: #ecedf0;
  --muted: #9aa0ab;
  --accent: #ff4f6d;
  --radius: 14px;
  --max: 1280px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
main { max-width: var(--max); margin: 0 auto; padding: 0 16px 48px; }

/* header */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--max); margin: 0 auto; padding: 10px 16px;
  background: rgba(14, 15, 18, .88); backdrop-filter: blur(10px);
}
.brand img { height: 38px; width: auto; border-radius: 8px; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
.top nav a {
  text-decoration: none; color: var(--muted); font-weight: 600; font-size: 15px;
  padding: 7px 12px; border-radius: 999px;
}
.top nav a:hover { color: var(--text); background: var(--surface); }
.top nav a[aria-current="page"] { color: var(--text); background: var(--surface); }

/* hero & titles */
.hero { padding: 36px 0 12px; }
.hero h1 { margin: 0; font-size: clamp(30px, 5vw, 48px); letter-spacing: -.02em; line-height: 1.1; }
.hero p { margin: 8px 0 0; color: var(--muted); }
.section-title { font-size: 20px; margin: 28px 0 14px; letter-spacing: -.01em; }
h1.section-title { font-size: clamp(26px, 4vw, 36px); margin-top: 32px; margin-bottom: 2px; }
.count { color: var(--muted); margin: 0 0 16px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.section-head a { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 15px; white-space: nowrap; }
.section-head + .count { margin-top: -8px; }
.desc { color: #d3d5da; margin: 14px 0 0; max-width: 46ch; }

/* masonry grid */
.grid { columns: 5 200px; column-gap: 12px; }
.card {
  display: block; break-inside: avoid; margin: 0 0 12px;
  border-radius: var(--radius); overflow: hidden; background: var(--surface);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card img { width: 100%; height: auto; min-height: 120px; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0, 0, 0, .45); }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* single wallpaper */
.single {
  display: grid; grid-template-columns: minmax(0, 520px) minmax(0, 1fr); gap: 32px;
  align-items: start; padding-top: 24px;
}
.single.is-wide { grid-template-columns: minmax(0, 1fr); }
.single-img img { width: 100%; height: auto; border-radius: var(--radius); background: var(--surface); }
.single-info { position: sticky; top: 84px; }
.single h1 { margin: 4px 0 2px; font-size: clamp(26px, 4vw, 36px); letter-spacing: -.02em; line-height: 1.15; }
.crumb { margin: 0; }
.crumb a { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 14px; }
time { color: var(--muted); font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  background: var(--accent); color: #fff; padding: 12px 20px; border-radius: 999px;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.hint { color: var(--muted); font-size: 14px; max-width: 42ch; }
.pager { display: flex; gap: 18px; margin-top: 20px; }
.pager a { color: var(--muted); text-decoration: none; font-weight: 600; }
.pager a:hover { color: var(--text); }

/* text pages */
.prose { max-width: 760px; padding-top: 24px; }
.prose h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -.02em; line-height: 1.15; }
.prose h2 { font-size: 21px; margin-top: 32px; }
.prose h3 { font-size: 17px; }
.prose p, .prose li { color: #d3d5da; }
.prose a { color: var(--accent); }
.prose img { border-radius: var(--radius); }
.contact-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.sitemap-list { columns: 2 260px; }
.contact-form { display: grid; gap: 14px; max-width: 560px; margin: 24px 0; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.contact-form input, .contact-form textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.contact-form button { justify-self: start; border: 0; cursor: pointer; font: inherit; font-weight: 700; }
.contact-form button:disabled { opacity: .6; cursor: default; }
.contact-form .hp { display: none; }
.form-status { margin: 0; color: var(--muted); min-height: 1.6em; }
.sitemap-list span { color: var(--muted); font-size: 13px; }

.about-box { margin-top: 40px; background: var(--surface); border-radius: var(--radius); padding: 16px 20px; }
.about-box summary { cursor: pointer; font-weight: 700; }
.about-box p { color: #c8cbd1; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 28px 16px 40px; text-align: center; color: var(--muted); font-size: 14px; }
.foot-links, .foot-social { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin-bottom: 10px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot p a { text-decoration: underline; }

@media (max-width: 760px) {
  .grid { columns: 2; column-gap: 10px; }
  .card { margin-bottom: 10px; }
  .single { grid-template-columns: 1fr; gap: 16px; }
  .single-info { position: static; }
  .top { flex-direction: column; align-items: flex-start; gap: 6px; }
  .brand img { height: 28px; }
  .top nav { gap: 0; flex-wrap: nowrap; }
  .top nav a { padding: 6px 8px; font-size: 13.5px; }
}
@media (prefers-reduced-motion: reduce) { .card { transition: none; } }