/* ===========================================
   HORIZONT 2026 — Učebna budoucnosti
   Barvy převzaté z webu SVČ Ivančice (#2e8540)
   =========================================== */

:root {
  --green: #2e8540;
  --green-dark: #1f5e2c;
  --green-light: #e8f5e9;
  --green-bg: #f1f8f3;
  --blue: #337ab7;
  --blue-dark: #286090;
  --text: #1b1b1b;
  --text-muted: #5b616b;
  --border: #e3e6ea;
  --bg: #ffffff;
  --bg-alt: #f7f9f8;
  --warning-bg: #fcf8e3;
  --warning-border: #faebcc;
  --warning-text: #8a6d3b;
  --info-bg: #e8f4f8;
  --info-border: #bce8f1;
  --info-text: #245269;
  --danger-bg: #fdecea;
  --danger-border: #f4c7c3;
  --danger-text: #a94442;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--green-dark); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s; }
a:hover { border-bottom-color: var(--green); }

/* ====== Hero ====== */
.hero {
  background: linear-gradient(135deg, #2e8540 0%, #d97706 100%);
  color: #fff;
  padding: 56px 24px 64px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 10%, rgba(255,255,255,.10) 0%, transparent 40%),
                    radial-gradient(circle at 10% 90%, rgba(255,255,255,.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; position: relative;
}
.hero-eyebrow {
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  opacity: .85; margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 48px);
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: clamp(16px, 1.7vw, 19px);
  opacity: .92;
  margin: 0 0 32px;
  max-width: 720px;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s, background .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); border-bottom-color: transparent; }
.btn-primary { background: #fff; color: var(--green-dark); }
.btn-primary:hover { background: #f5f5f5; border-bottom-color: transparent; }
.btn-outline {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; border-bottom-color: #fff; }

/* ====== Stats strip ====== */
.stats {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 22px 24px;
}
.stats-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.stat {
  text-align: center;
  padding: 8px 4px;
}
.stat-num {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .02em;
}

/* ====== Layout ====== */
.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .toc { position: static !important; max-height: none !important; }
}

/* ====== TOC ====== */
.toc {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  font-size: 13.5px;
  border-left: 2px solid var(--border);
  padding-left: 14px;
}
.toc-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 6px 0; }
.toc a {
  color: var(--text);
  border-bottom: none;
  display: block;
  padding: 4px 0;
  line-height: 1.4;
}
.toc a:hover { color: var(--green); }

/* ====== Content ====== */
.content { min-width: 0; }

.content h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  margin: 56px 0 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--green);
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  scroll-margin-top: 24px;
}
.content h2:first-child { margin-top: 0; }
.content h3 {
  font-size: 20px;
  margin: 36px 0 12px;
  color: var(--green-dark);
  font-weight: 600;
}
.content h4 {
  font-size: 17px;
  margin: 24px 0 10px;
  color: var(--text);
  font-weight: 600;
}
.content p { margin: 0 0 14px; }
.content ul, .content ol { margin: 0 0 14px; padding-left: 22px; }
.content li { margin: 4px 0; }
.content strong { color: var(--text); font-weight: 600; }
.content em { color: var(--text); }
.content code {
  background: var(--green-bg);
  color: var(--green-dark);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.92em;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

/* Tables */
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 22px;
  font-size: 14.5px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border-radius: 6px;
  overflow: hidden;
}
.content th, .content td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.content th {
  background: var(--green-bg);
  color: var(--green-dark);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .01em;
}
.content tr:last-child td { border-bottom: none; }
.content tr:hover td { background: var(--bg-alt); }

/* Right-aligned columns (numeric) — markdown alignment ":---:" / "---:" */
.content table td[align="right"], .content table th[align="right"] { text-align: right; font-variant-numeric: tabular-nums; }
.content table td[align="center"], .content table th[align="center"] { text-align: center; }

/* Blockquotes — used as callouts */
.content blockquote {
  margin: 18px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--green);
  background: var(--green-bg);
  border-radius: 0 6px 6px 0;
  color: var(--text);
}
.content blockquote p:last-child { margin-bottom: 0; }
.content blockquote strong:first-child { color: var(--green-dark); }

/* Variant special blockquotes by emoji prefix */
.content blockquote:has(p:first-child:is(:first-line)):where(:has(p strong)) {
  /* default */
}

/* HR */
.content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* Section anchors (h2/h3 ids) */
.content h2 a.anchor, .content h3 a.anchor {
  color: var(--text-muted);
  font-size: 0.7em;
  margin-left: 8px;
  opacity: 0;
  border-bottom: none;
  transition: opacity .15s;
}
.content h2:hover a.anchor, .content h3:hover a.anchor { opacity: 1; }

/* ====== Footer ====== */
footer {
  background: #1b1b1b;
  color: #cfd2d6;
  padding: 36px 24px;
  margin-top: 60px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.footer-block h4 {
  color: #fff;
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
}
.footer-block p, .footer-block a {
  margin: 4px 0;
  color: #cfd2d6;
  font-size: 14px;
  border-bottom-color: transparent;
}
.footer-block a:hover { color: #fff; border-bottom-color: var(--green); }
.footer-bottom {
  max-width: 1100px;
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid #333;
  font-size: 12px;
  color: #888;
  text-align: center;
}