/* ===== ZÁKLADNÝ RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f0f4f8;
  color: #333;
}

/* ===== NAVIGÁCIA ===== */
nav {
  background-color: #1a73e8;
  padding: 14px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: white;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 15px;
  transition: opacity 0.2s;
}

nav ul li a:hover {
  opacity: 0.75;
}

/* ===== HERO / HEADER ===== */
header {
  background: linear-gradient(
    135deg,
    #1a73e8,
    #0d47a1
  );
  color: white;
  text-align: center;
  padding: 80px 20px 60px;
}

header h1 {
  font-size: 42px;
  margin-bottom: 16px;
}

header p {
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 30px;
  opacity: 0.9;
}

header a.btn {
  background-color: white;
  color: #1a73e8;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  transition: background 0.2s;
}

header a.btn:hover {
  background-color: #e8f0fe;
}

/* ===== SEKCIE ===== */
section {
  max-width: 960px;
  margin: 60px auto;
  padding: 0 20px;
}

section h2 {
  font-size: 28px;
  color: #1a73e8;
  margin-bottom: 20px;
  border-left: 5px solid #1a73e8;
  padding-left: 12px;
}

section p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 14px;
}

/* ===== KARTY – FLEXBOX ===== */
.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.card {
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 24px;
  flex: 1;
  min-width: 220px;
}

.card h3 {
  color: #1a73e8;
  margin-bottom: 10px;
  font-size: 18px;
}

.card p {
  font-size: 14px;
  line-height: 1.7;
}

/* ===== TABUĽKA ===== */
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

table th {
  background-color: #1a73e8;
  color: white;
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
}

table td {
  padding: 12px 18px;
  border-bottom: 1px solid #e0e0e0;
  font-size: 14px;
}

table tr:last-child td {
  border-bottom: none;
}

table tr:hover {
  background-color: #f5f9ff;
}

table td code {
  background: #e8f0fe;
  color: #1a73e8;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: monospace;
}

/* ===== KONTAKTNÝ FORMULÁR ===== */
form {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  font-size: 14px;
  color: #555;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: border 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #1a73e8;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

form button {
  background-color: #1a73e8;
  color: white;
  padding: 12px 28px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

form button:hover {
  background-color: #1558b0;
}

/* ===== PÄTA STRÁNKY ===== */
footer {
  background-color: #1a1a2e;
  color: #aaa;
  text-align: center;
  padding: 30px 20px;
  font-size: 14px;
  margin-top: 60px;
}

footer span {
  color: #1a73e8;
}