/*
Theme Name: Zakkos Minimal
Theme URI: https://zakkos.it/
Author: Zakkos
Author URI: https://zakkos.it/
Description: Tema WordPress classico, minimale e moderno per tecnologia, retrocomputing, Linux e self-hosting.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: zakkos-minimal
Tags: blog, news, two-columns, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

:root {
  --bg: #0d131a;
  --surface: #151d26;
  --surface-soft: #202b36;
  --text: #edf2f6;
  --muted: #9eabb8;
  --line: #2b3743;
  --accent: #e64a35;
  --accent-dark: #ba3022;
  --code: #080c11;
  --radius: 16px;
  --shadow: 0 12px 38px rgba(0, 0, 0, .28);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.screen-reader-text:focus { clip: auto; width: auto; height: auto; margin: 0; padding: .7rem 1rem; background: var(--surface); z-index: 100000; }
.skip-link { left: 1rem; top: 1rem; }
.wrap { width: min(calc(100% - 40px), var(--wrap)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(13,19,26,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 26px; }
.site-branding { display: flex; align-items: center; min-width: max-content; }
.custom-logo-link { display: flex; }
.custom-logo { max-height: 52px; width: auto; }
.site-title { margin: 0; font-size: 1.42rem; font-weight: 900; letter-spacing: .08em; line-height: 1; }
.site-title a { color: var(--text); text-decoration: none; }
.site-description { margin: .35rem 0 0; color: var(--muted); font-size: .76rem; line-height: 1.2; }
.main-navigation { margin-left: auto; }
.main-navigation ul { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.main-navigation li { position: relative; }
.main-navigation a { display: block; padding: .7rem .78rem; color: var(--text); font-size: .88rem; font-weight: 750; text-decoration: none; border-radius: 9px; }
.main-navigation a:hover, .main-navigation .current-menu-item > a, .main-navigation .current-menu-ancestor > a { color: var(--accent-dark); background: var(--surface-soft); }
.main-navigation .sub-menu { display: none; position: absolute; top: 100%; left: 0; min-width: 210px; padding: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.main-navigation li:hover > .sub-menu, .main-navigation li:focus-within > .sub-menu { display: block; }
.menu-toggle { display: none; margin-left: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); padding: .65rem .8rem; font: inherit; font-weight: 800; cursor: pointer; }

.hero { padding: 74px 0 54px; background: radial-gradient(circle at 85% 5%, rgba(230,74,53,.16), transparent 28%), linear-gradient(135deg, #111820, #202d3a); color: #fff; }
.hero-inner { max-width: 850px; }
.eyebrow { margin: 0 0 .75rem; color: #ff9687; font-size: .78rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(2.25rem, 6vw, 4.8rem); line-height: 1.03; letter-spacing: -.045em; }
.hero p { max-width: 700px; margin: 1.25rem 0 0; color: #cbd5df; font-size: 1.08rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: .8rem 1.05rem; border-radius: 10px; background: var(--accent); color: #fff; font-size: .9rem; font-weight: 850; text-decoration: none; }
.button:hover { background: #ff614b; color: #fff; }
.button-ghost { background: transparent; border: 1px solid #526170; }

.site-main { padding: 52px 0 72px; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; align-items: start; }
.content-grid.no-sidebar { grid-template-columns: minmax(0, 850px); justify-content: center; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-heading h1, .section-heading h2 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.15; letter-spacing: -.025em; }
.section-heading p { margin: .35rem 0 0; color: var(--muted); }

.post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.post-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 3px 15px rgba(18,32,47,.04); transition: transform .2s ease, box-shadow .2s ease; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.post-thumbnail { display: block; overflow: hidden; aspect-ratio: 16 / 9; background: linear-gradient(135deg, #222e3a, #111820); }
.post-thumbnail img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.post-card:hover .post-thumbnail img { transform: scale(1.025); }
.placeholder-thumb { display: grid; place-items: center; height: 100%; color: rgba(255,255,255,.75); font-size: 2.5rem; font-weight: 950; letter-spacing: .08em; }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 23px; }
.post-meta { display: flex; gap: 7px 12px; flex-wrap: wrap; margin-bottom: .65rem; color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.post-meta a { color: var(--accent-dark); text-decoration: none; }
.entry-title { margin: 0; font-size: 1.34rem; line-height: 1.23; letter-spacing: -.02em; overflow-wrap: anywhere; }
.entry-title a { color: var(--text); text-decoration: none; }
.entry-title a:hover { color: var(--accent-dark); }
.entry-summary { color: var(--muted); font-size: .93rem; line-height: 1.6; }
.read-more { margin-top: auto; padding-top: .3rem; font-size: .82rem; font-weight: 850; text-decoration: none; }

.sidebar { display: grid; gap: 20px; }
.widget { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.widget-title { margin: 0 0 1rem; font-size: .92rem; letter-spacing: .07em; text-transform: uppercase; }
.widget ul { margin: 0; padding: 0; list-style: none; }
.widget li + li { margin-top: .7rem; padding-top: .7rem; border-top: 1px solid var(--line); }
.widget a { color: var(--text); font-size: .88rem; line-height: 1.35; text-decoration: none; }
.widget a:hover { color: var(--accent-dark); }
.search-form { display: flex; }
.search-field { width: 100%; min-width: 0; padding: .75rem .8rem; border: 1px solid var(--line); border-radius: 9px 0 0 9px; background: var(--bg); color: var(--text); font: inherit; }
.search-submit { border: 0; border-radius: 0 9px 9px 0; padding: 0 .85rem; background: var(--accent); color: #fff; font-weight: 850; cursor: pointer; }

.single-article { overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.single-header { padding: clamp(28px, 6vw, 62px); }
.single-header .entry-title { max-width: 900px; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.06; }
.single-featured { width: 100%; max-height: 620px; object-fit: cover; }
.entry-content { padding: 0 clamp(24px, 6vw, 70px) 60px; }
.page-article .entry-content { padding-top: 48px; }
.entry-content > * { max-width: 780px; margin-left: auto; margin-right: auto; }
.entry-content > .alignwide { max-width: 1060px; }
.entry-content > .alignfull { max-width: none; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); }
.entry-content h2, .entry-content h3, .entry-content h4 { margin-top: 1.8em; line-height: 1.22; letter-spacing: -.02em; }
.entry-content h2 { font-size: 1.75rem; }
.entry-content h3 { font-size: 1.35rem; }
.entry-content pre { overflow-x: auto; padding: 1.2rem; background: var(--code); color: #e6edf3; border-radius: 11px; font-size: .86rem; line-height: 1.55; }
.entry-content code { padding: .12em .3em; background: var(--surface-soft); border-radius: 4px; font-size: .88em; }
.entry-content pre code { padding: 0; background: transparent; }
.entry-content blockquote { padding: .1rem 0 .1rem 1.3rem; border-left: 4px solid var(--accent); color: #bdc8d2; font-size: 1.08rem; }
.entry-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.entry-content th, .entry-content td { padding: .7rem; border: 1px solid var(--line); text-align: left; }
.entry-content iframe { max-width: 100%; }
.post-tags { max-width: 780px; margin: 2rem auto 0; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .83rem; }
.post-navigation { margin-top: 24px; }
.post-navigation .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.post-navigation a { display: block; height: 100%; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; color: var(--text); font-weight: 750; text-decoration: none; }
.nav-next { text-align: right; }
.navigation.pagination { margin-top: 34px; }
.nav-links { display: flex; gap: 7px; flex-wrap: wrap; }
.page-numbers { display: inline-flex; min-width: 42px; height: 42px; align-items: center; justify-content: center; padding: 0 .7rem; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-weight: 750; text-decoration: none; }
.page-numbers.current, .page-numbers:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.comments-area { margin-top: 28px; padding: clamp(24px, 5vw, 48px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.comments-title, .comment-reply-title { margin-top: 0; }
.comment-list { padding: 0; list-style: none; }
.comment-list .children { list-style: none; }
.comment-body { margin: 1rem 0; padding: 1.1rem; background: var(--bg); border-radius: 11px; }
.comment-meta { font-size: .83rem; }
.comment-form input:not([type="submit"]), .comment-form textarea { width: 100%; padding: .75rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.submit { padding: .8rem 1rem; border: 0; border-radius: 9px; background: var(--accent); color: #fff; font: inherit; font-weight: 850; cursor: pointer; }

.site-footer { padding: 40px 0; background: #080c11; color: #aeb9c4; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.site-footer a { color: #fff; }
.footer-brand { color: #fff; font-weight: 900; letter-spacing: .08em; }
.empty-state { padding: 42px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-align: center; }

@media (max-width: 920px) {
  .menu-toggle { display: inline-flex; }
  .main-navigation { display: none; position: absolute; top: calc(100% + 1px); left: 0; right: 0; margin: 0; padding: 14px 20px 20px; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-navigation.is-open { display: block; }
  .main-navigation ul { display: block; }
  .main-navigation .sub-menu { display: block; position: static; margin-left: 1rem; border: 0; box-shadow: none; }
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { width: min(calc(100% - 28px), var(--wrap)); }
  .header-inner { min-height: 68px; }
  .site-description { display: none; }
  .hero { padding: 52px 0 42px; }
  .post-grid, .sidebar { grid-template-columns: 1fr; }
  .site-main { padding: 34px 0 50px; }
  .post-navigation .nav-links { grid-template-columns: 1fr; }
  .nav-next { text-align: left; }
  .footer-inner { display: block; }
}