/* Israeli AI Ecosystem — site styles.
   Single stylesheet, no framework. Light and dark via prefers-color-scheme. */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f6;
  --border: #dfe3ea;
  --text: #16191f;
  --text-muted: #5b6472;
  --accent: #0b6bcb;
  --accent-soft: #e6f0fb;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --radius: 10px;
  --wrap: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --surface-2: #1e232b;
    --border: #2a313b;
    --text: #e6e9ee;
    --text-muted: #99a3b1;
    --accent: #64a8f0;
    --accent-soft: #182635;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
        "Helvetica Neue", Arial, "Noto Sans Hebrew", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 var(--radius) 0;
}
.skip:focus { left: 0; top: 0; z-index: 100; }

/* ---------- header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; gap: 20px;
  min-height: 62px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px;
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 22px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-sub { font-size: 11px; font-weight: 500; color: var(--text-muted); letter-spacing: .02em; }

.site-nav { display: flex; gap: 4px; flex-wrap: wrap; margin-right: auto; }
.site-nav a {
  color: var(--text-muted); padding: 6px 10px; border-radius: 7px;
  font-size: 14px; font-weight: 550;
}
.site-nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.site-nav a.active { background: var(--accent-soft); color: var(--accent); }

.header-tools { display: flex; align-items: center; gap: 10px; }

.search-input {
  width: 190px; padding: 7px 11px; font-size: 14px; font-family: inherit;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 7px;
}
.search-input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.gh-link {
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 7px; padding: 6px 11px;
}
.gh-link:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }

/* ---------- main ---------- */

main { padding-top: 28px; padding-bottom: 64px; }

.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 18px; }
.breadcrumb span { margin: 0 6px; opacity: .6; }
.breadcrumb a { color: var(--text-muted); }

h1, h2, h3 { line-height: 1.25; }

.page-title { font-size: 30px; margin: 0 0 12px; letter-spacing: -.01em; }
.page-title a { color: inherit; }
.page-title a:hover { text-decoration: none; }

.section-heading {
  font-size: 20px; margin: 40px 0 14px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.section-heading a { color: inherit; }
.section-heading a:hover { color: var(--accent); text-decoration: none; }

.lede { font-size: 17px; color: var(--text-muted); max-width: 74ch; margin: 0 0 18px; }

.hero {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 34px 32px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.hero h1 { font-size: 34px; margin: 0 0 12px; letter-spacing: -.02em; }
.hero-note { color: var(--text-muted); font-size: 15px; max-width: 74ch; }

.stat-line {
  font-size: 14px; color: var(--text-muted);
  margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--border);
}
.stat-line strong { color: var(--text); }

blockquote {
  margin: 18px 0; padding: 12px 18px; border-left: 3px solid var(--accent);
  background: var(--accent-soft); border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-muted);
}

.prose-list { padding-left: 20px; max-width: 82ch; }
.prose-list li { margin-bottom: 8px; }

/* ---------- navigation cards ---------- */

.nav-grid {
  display: grid; gap: 12px; margin: 18px 0 8px;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
}

.nav-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; color: var(--text);
  transition: border-color .12s ease, transform .12s ease, box-shadow .12s ease;
}
.nav-card:hover {
  text-decoration: none; border-color: var(--accent);
  transform: translateY(-1px); box-shadow: var(--shadow);
}
.nav-card-head { display: flex; align-items: center; gap: 8px; }
.nav-icon { font-size: 16px; }
.nav-card-title { font-weight: 640; font-size: 15px; }
.nav-card-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.5; }
.count {
  margin-left: auto; font-size: 12px; font-weight: 650;
  background: var(--surface-2); color: var(--text-muted);
  border-radius: 20px; padding: 2px 9px; min-width: 26px; text-align: center;
}

/* ---------- entry cards ---------- */

.card-grid {
  display: grid; gap: 12px; margin: 16px 0 8px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 15px 17px; box-shadow: var(--shadow);
}
.card-title { font-size: 15.5px; margin: 0 0 6px; font-weight: 640; }
.card-desc { font-size: 14px; color: var(--text-muted); margin: 0 0 12px; }
.card-desc em { color: var(--text); font-style: italic; }
.card-meta {
  display: flex; align-items: center; gap: 10px;
  margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border);
  min-height: 34px;
}
.card-host {
  font-size: 12px; color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-badge { margin-left: auto; height: 20px; }

.no-results {
  display: none; padding: 28px; text-align: center; color: var(--text-muted);
  border: 1px dashed var(--border); border-radius: var(--radius); margin-top: 20px;
}
.no-results.show { display: block; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border); background: var(--surface);
  padding: 28px 0; font-size: 14px;
}
.footer-inner p { margin: 0 0 8px; }
.muted, .footer-inner .muted { color: var(--text-muted); font-size: 13px; }

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .header-inner { min-height: 0; }
  .site-nav { order: 3; width: 100%; margin-right: 0; }
  .header-tools { margin-left: auto; }
  .search-input { width: 140px; }
  .hero { padding: 24px 20px; }
  .hero h1 { font-size: 26px; }
  .page-title { font-size: 24px; }
}