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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #111;
  background-color: #fafafa;
}

h1 {
  line-height: 1.2;
}

h2 {
  line-height: 1.25;
}

h3,
h4,
h5,
h6 {
  line-height: 1.3;
}

/* ODKAZY */

a {
  color: #111;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* KONTAJNER */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HLAVIČKA A NAV */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid #e5e5e5;
}

.site-header .header-inner {
  padding-left: 16px;  /* alebo 20–24px podľa pocitu */
  padding-right: 16px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
}

.logo span,
.logo a {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1rem;
  color: #111;
}

.main-nav {
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
}

.main-nav a {
  padding: 4px 0;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 24px;
  font-size: 0.9rem;
}

.subnav a {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #ddd;
  background-color: #fff;
}

.subnav a:hover,
.subnav a:focus {
  border-color: #111;
}

/* HERO */

.hero {
  padding: 56px 0 40px;
}

.hero-media img {
  border-radius: 8px;
  display: block;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-text h1 {
  font-size: 1.8rem;
  margin: 0 0 12px;
}

.hero-text p {
  margin: 0 0 16px;
  max-width: 32rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* TLAČIDLÁ */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: #111;
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #000;
}

.btn-secondary {
  background-color: transparent;
  color: #111;
  border-color: #ccc;
}

.btn-secondary:hover,
.btn-secondary:focus {
  border-color: #111;
}

/* SEKCIE */

.section {
  padding: 40px 0;
}

.section-alt {
  background-color: #f2f2f2;
}

.section h2 {
  font-size: 1.4rem;
  margin-top: 0;
  margin-bottom: 16px;
}

.section p {
  margin-top: 0;
  margin-bottom: 12px;
}

/* ZOZNAMY */

.section ul {
  padding-left: 1.2rem;
  margin: 0;
}

.section li {
  margin-bottom: 8px;
}

/* PROJEKTY */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
}

.project-card {
  background-color: #fff;
  border-radius: 8px;
  padding: 16px;
  border: 1px solid #e5e5e5;
}

.project-card h3 {
  margin-top: 0;
  margin-bottom: 4px;
}

.project-meta {
  font-size: 0.85rem;
  color: #777;
  margin-bottom: 8px;
}

/* PODPORA / DAROVANIE */

.support-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.support-qr img {
  max-width: 200px;
  height: auto;
  border-radius: 8px;
  border: 1px solid #ddd;
}

/* DOKUMENTY */

.document-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.document-list li {
  margin-bottom: 8px;
}

.document-list + h2 {
  margin-top: 32px;
}

/* KONTAKT */

#kontakt p {
  margin-bottom: 6px;
}

/* PÄTIČKA */

.site-footer {
  border-top: 1px solid #e5e5e5;
  background-color: #fafafa;
  padding: 16px 0;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
}

.site-footer a {
  color: #555;
}

/* OBRÁZKY */

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

/* RESPONSIVE BREAKPOINTS */

@media (min-width: 768px) {
  .hero {
    padding: 72px 0 56px;
  }

  .hero-inner {
    flex-direction: row;
    align-items: center;
  }

  .hero-text h1 {
    font-size: 2.2rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-layout {
    grid-template-columns: 2fr 1fr;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 4px;
  }
}