/* =============================================================
   STYL WSPÓLNY podstron hodowli (zakupowicz.com/hodowla/)
   Używany przez: hodowla.html, kalkulator-brojlerow.html,
   kalkulator-obsady-brojlerow.html, program-swietlny.html,
   stres-termiczny.html.
   Style specyficzne dla pojedynczej strony pozostają w jej
   sekcji <style> w <head>.
   ============================================================= */

:root {
  --primary-green: #2E8B57;
  --secondary-green: #3CB371;
  --dark-green: #1E5C3A;
  --light-green: #90EE90;
  --lighter-green: #E8F5E9;
  --accent-gold: #FFD700;
  --white: #FFFFFF;
  --black: #333333;
  --gray: #757575;
  --light-gray: #f5f5f5;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--light-gray);
  color: var(--black);
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
}

/* Dostępność — link pomijający nawigację */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--dark-green);
  color: white;
  padding: 0.8rem;
  z-index: 200;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* Nagłówek */
header {
  background-color: var(--primary-green);
  color: var(--white);
  padding: 1rem;
  text-align: center;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  margin: 0;
  color: var(--white);
}

h2 {
  color: var(--dark-green);
  margin: 1.5rem 0 1rem;
}

h3 {
  color: var(--primary-green);
  margin: 1.2rem 0 0.8rem;
}

/* Nawigacja */
nav {
  background-color: var(--secondary-green);
  padding: 0.5rem 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 1rem;
}

.menu li a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: var(--transition);
}

.menu li a:hover {
  background-color: var(--dark-green);
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem;
  background-color: var(--white);
  border-bottom: 1px solid #ddd;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--secondary-green);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Treść główna */
main {
  flex: 1;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.content-section {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

/* Tabele */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
  background: var(--white);
}

caption {
  font-size: 1.2rem;
  font-weight: bold;
  margin: 1rem 0;
  color: var(--dark-green);
  text-align: left;
  caption-side: top;
}

th,
td {
  padding: 0.75rem;
  text-align: center;
  border: 1px solid #ddd;
}

th {
  background-color: var(--secondary-green);
  color: var(--white);
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}

tr:hover {
  background-color: #e9e9e9;
}

/* Wyróżnienia treści */
.note {
  font-style: italic;
  color: var(--dark-green);
  margin-top: 1rem;
  padding: 0.5rem;
  background-color: #f8f8f8;
  border-left: 4px solid var(--secondary-green);
}

.warning {
  background-color: #FFF3CD;
  border-left: 4px solid #FFC107;
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 0 4px 4px 0;
}

.solution-card {
  background-color: var(--light-gray);
  padding: 1.5rem;
  border-radius: 8px;
  margin: 1rem 0;
  border-left: 4px solid var(--primary-green);
}

/* Stopka */
footer {
  background-color: var(--primary-green);
  color: var(--white);
  padding: 2rem 1rem;
  text-align: center;
  margin-top: auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--white);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Responsywność */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    align-items: stretch;
  }

  .menu {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0 0;
  }

  .menu.active {
    display: flex;
  }

  .hamburger {
    display: block;
    align-self: flex-end;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  .content-section {
    padding: 1.5rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}
