/*
Theme Name: AI Prezentare
Theme URI: https://example.com/
Author: Site AI
Description: Temă de prezentare pentru un site informativ despre inteligența artificială.
Version: 1.0.0
Requires at least: 6.0
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: ai-prezentare
*/

:root {
  --paper: #F1F4F7;
  --surface: #FFFFFF;
  --ink: #172338;
  --slate: #56657A;
  --line: #D3DAE2;
  --signal: #0E7C7B;
  --signal-dark: #0A5E5D;
  --amber: #D9A23A;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Sora", "Segoe UI", Arial, sans-serif;
  --wrap: 1120px;
  --text: 68ch;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
}

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

a { color: var(--signal-dark); text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--sans);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p, ul, ol { margin: 0 0 1.1em; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 68px;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--sans); font-weight: 700; font-size: 1.05rem;
  color: var(--ink); text-decoration: none;
}
.brand svg { flex: none; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.main-nav a {
  display: block; padding: .5rem .75rem; border-radius: 6px;
  font-family: var(--sans); font-size: .92rem; color: var(--ink); text-decoration: none;
}
.main-nav a:hover { background: var(--paper); }
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a { color: var(--signal-dark); box-shadow: inset 0 -2px 0 var(--signal); border-radius: 0; }
.nav-toggle {
  display: none; font-family: var(--sans); font-size: .95rem;
  background: none; border: 1px solid var(--line); border-radius: 6px;
  padding: .45rem .8rem; color: var(--ink); cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--surface); border-bottom: 1px solid var(--line); }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; padding: .5rem 1.25rem 1rem; }
  .main-nav a { padding: .75rem 0; border-bottom: 1px solid var(--line); border-radius: 0; }
}

/* Buttons */
.btn {
  display: inline-block; font-family: var(--sans); font-size: .98rem; font-weight: 600;
  padding: .8rem 1.3rem; border-radius: 8px; text-decoration: none;
  border: 2px solid var(--signal);
}
.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--signal-dark); border-color: var(--signal-dark); color: #fff; }
.btn-ghost { color: var(--signal-dark); background: transparent; }
.btn-ghost:hover { background: var(--surface); color: var(--ink); }

/* Hero */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 2.5rem; }
.hero h1 { max-width: 16ch; }
.hero .lead { font-size: 1.25rem; max-width: 52ch; color: var(--slate); }
.hero .actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* Ruler timeline */
.ruler-section { padding: 2rem 0 3.5rem; }
.ruler-caption { font-family: var(--sans); font-size: 1rem; color: var(--slate); margin-bottom: 1.5rem; }
.ruler-caption strong { color: var(--ink); }
.ruler {
  position: relative; height: 64px; margin: 0 .75rem 1.5rem;
  border-bottom: 2px solid var(--ink);
}
.ruler .decade {
  position: absolute; bottom: -2px; width: 1px; height: 14px; background: var(--ink);
}
.ruler .decade span {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  font-family: var(--sans); font-size: .75rem; color: var(--slate);
}
.ruler .moment {
  position: absolute; bottom: -7px; width: 12px; height: 12px; margin-left: -6px;
  background: var(--amber); border: 2px solid var(--ink); border-radius: 50%;
}
.ruler .moment::before {
  content: ""; position: absolute; left: 50%; bottom: 10px; width: 2px;
  height: var(--h, 30px); background: var(--amber); transform: translateX(-50%);
}
.moments {
  list-style: none; padding: 1.5rem 0 .5rem; margin: 1.5rem 0 0;
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(180px, 1fr);
  gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory;
}
.moments li { scroll-snap-align: start; border-top: 3px solid var(--amber); padding-top: .6rem; }
.moments .year { display: block; font-family: var(--sans); font-weight: 700; font-size: 1.15rem; }
.moments p { font-size: .95rem; color: var(--slate); margin: .2rem 0 0; line-height: 1.5; }

/* Sections */
.band { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.band-white { background: var(--surface); border-block: 1px solid var(--line); }
.section-intro { max-width: var(--text); color: var(--slate); }

.facts { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
.facts th, .facts td { text-align: left; vertical-align: top; padding: 1rem .75rem 1rem 0; border-top: 1px solid var(--line); }
.facts th { font-family: var(--sans); font-size: 1.6rem; font-weight: 700; color: var(--signal-dark); white-space: nowrap; width: 9rem; }
.facts td.src { font-family: var(--sans); font-size: .85rem; color: var(--slate); width: 12rem; }
@media (max-width: 640px) {
  .facts, .facts tbody, .facts tr, .facts th, .facts td { display: block; width: auto; }
  .facts tr { border-top: 1px solid var(--line); padding: 1rem 0; }
  .facts th, .facts td { border: 0; padding: 0 0 .3rem; }
}

.topics { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.75rem 2.5rem; }
.topics li { border-left: 3px solid var(--signal); padding-left: 1rem; }
.topics a { font-family: var(--sans); font-weight: 600; font-size: 1.15rem; text-decoration: none; color: var(--ink); }
.topics a:hover { color: var(--signal-dark); text-decoration: underline; }
.topics p { margin: .35rem 0 0; font-size: 1rem; color: var(--slate); }

.post-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; margin-top: 1.5rem; }
.post-item h3 a { color: var(--ink); text-decoration: none; }
.post-item h3 a:hover { color: var(--signal-dark); text-decoration: underline; }
.post-item p { font-size: 1rem; color: var(--slate); }
.meta { font-family: var(--sans); font-size: .82rem; color: var(--slate); margin-bottom: .4rem; }

/* Content pages */
.page-head { padding: clamp(2.5rem, 6vw, 4rem) 0 1.5rem; }
.page-head p { color: var(--slate); max-width: 60ch; }
.content { max-width: var(--text); padding-bottom: 4rem; }
.content h2 { margin-top: 2em; }
.content h3 { margin-top: 1.6em; }
.content ul, .content ol { padding-left: 1.25rem; }
.content li { margin-bottom: .5em; }
.content li::marker { color: var(--signal); }
.content blockquote { margin: 1.5rem 0; padding: .5rem 0 .5rem 1.25rem; border-left: 3px solid var(--amber); color: var(--slate); }
.content code { font-size: .92em; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: .1em .35em; }
.content pre { background: var(--surface); border: 1px solid var(--line); padding: 1rem; overflow-x: auto; border-radius: 6px; }

.archive-list { max-width: var(--text); padding-bottom: 4rem; }
.archive-list article { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.pagination { font-family: var(--sans); margin-top: 2rem; }
.pagination .page-numbers { padding: .3rem .6rem; }

/* Footer */
.site-footer { background: var(--ink); color: #C9D2DD; padding: 3rem 0 2rem; font-family: var(--sans); font-size: .9rem; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: .4rem; }
.footer-bottom { border-top: 1px solid #2E3D55; margin-top: 2rem; padding-top: 1.25rem; }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }