/*
Theme Name: UUUU Inspired Theme
Theme URI: https://www.uuuu.to/
Author: Codex
Author URI: https://example.com
Description: A WordPress theme inspired by the structure and visual direction of uuuu.to.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
Text Domain: uuuu-theme
*/

:root {
  --bg: #f6f6f4;
  --text: #111;
  --muted: #666;
  --line: #d8d8d8;
  --accent: #000;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
  background: color-mix(in srgb, var(--bg) 92%, var(--white) 8%);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.site-logo {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: lowercase;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav .current-menu-item > a,
.site-nav .current_page_item > a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.main-wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 40px auto 80px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 12px;
  cursor: pointer;
}

.filter-btn.is-active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.work-card {
  border: 1px solid var(--line);
  background: var(--white);
}

.work-card-thumb {
  aspect-ratio: 16 / 10;
  background: #e8e8e8;
  overflow: hidden;
}

.work-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card-body {
  padding: 16px;
}

.work-card-title {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
}

.work-card-meta {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-card.is-hidden {
  display: none;
}

.entry {
  max-width: 860px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px;
}

.entry-title {
  margin-top: 0;
  line-height: 1.35;
}

.entry-meta {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 16px;
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 740px) {
  .header-inner {
    min-height: auto;
    padding: 16px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav ul {
    gap: 12px;
    flex-wrap: wrap;
  }

  .main-wrap {
    margin-top: 24px;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}