/* ===== ZÁKLAD ===== */
:root{
  --brand:#0073e6;
  --brand-dark:#005bb5;
  --accent:#ffcc00;
  --text:#333;
  --bg:#f9f9f9;
  --header-offset:110px;
}

html{ scroll-behavior:smooth; }
*{ box-sizing:border-box; margin:0; padding:0; }

body{
  font-family: Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
}

/* ===== HLAVIČKA ===== */
header{
  background-color: var(--brand);
  color:#fff;
  padding:20px;
  text-align:center;
  position: sticky;
  top:0;
  z-index:1000;
  transition: background-color .3s ease, box-shadow .3s ease;
}
header.scrolled{ 
  background-color: var(--brand-dark); 
  box-shadow: 0 6px 14px rgba(0,0,0,0.4);
}

nav{
  display:flex;
  justify-content:center;
  gap:20px;
  margin-top:10px;
}
nav a{
  color:#fff;
  text-decoration:none;
  font-weight:bold;
  position:relative;
  display:inline-block;
  padding-bottom:2px;
}
nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:-3px;
  height:2px; width:0;
  background:var(--accent);
  transition: width .3s;
}
nav a:hover::after{ width:100%; }

[id]{ scroll-margin-top: var(--header-offset); }

/* ===== HERO ===== */
.hero{
  text-align:center;
  padding:80px 20px;
  color:#fff;
  background:
    linear-gradient(rgba(0,115,230,.6), rgba(0,115,230,.6)),
    url('img/hero.jpg') /* obrázek uložený vedle index.html a style.css */
    center/cover no-repeat;
  opacity:0;
  transform: translateY(30px);
  animation: heroFadeIn 1s forwards;
}
@keyframes heroFadeIn{
  to{ opacity:1; transform: translateY(0); }
}
.hero h1{ font-size:2.5em; margin-bottom:10px; }
.hero .subtagline{ font-size:1.1em; margin-bottom:30px; font-style:italic; }
.hero p{ font-size:1.2em; margin-bottom:30px; }

.btn-primary{
  background-color: var(--accent);
  color:#333;
  padding:15px 30px;
  text-decoration:none;
  font-weight:bold;
  border-radius:5px;
  transition: background-color .3s, transform .2s;
  display:inline-block;
}
.btn-primary:hover{
  background-color:#e6b800;
  transform: scale(1.05);
}

/* ===== HLAVNÍ BÍLÝ BOX ===== */
.main-content {
  background: #fff;
  border-radius: 15px 15px 0 0; /* zaoblení jen nahoře */
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  margin: -30px 0.5cm 0 0.5cm; /* odstraněn spodní margin */
  padding: 40px 20px;
  position: relative;
  z-index: 10;

  max-width: calc(100% - 1cm);
  box-sizing: border-box;

  opacity: 0;
  transform: translateY(40px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
.main-content.visible {
  opacity:1;
  transform: translateY(0);
}

/* ===== SEKCE ===== */
.section{
  padding:60px 20px;
  max-width:1200px;
  margin:auto;
  opacity:0;
  transform: translateY(30px);
  transition: opacity .6s ease-out, transform .6s ease-out;
}
.section.visible{
  opacity:1;
  transform: translateY(0);
}
.section h2{
  text-align:center;
  margin-bottom:40px;
}

/* ===== SLUŽBY ===== */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.service-box {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s;
  text-decoration: none;
  color: inherit;
  cursor:pointer;
}
.service-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}
/* Kliknutí – vmáčknutí */
.service-box:active {
  transform: translateY(0px) scale(0.96);
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}
/* Po uvolnění pružinový efekt */
.service-box.released {
  animation: button-bounce 0.25s ease-out;
}
@keyframes button-bounce {
  0%   { transform:translateY(0px) scale(0.96); }
  50%  { transform:translateY(-3px) scale(1.02); }
  100% { transform:translateY(-5px) scale(1); }
}

.service-icon {
  font-size: 40px;
  color: #007bff;
  margin-bottom: 15px;
  animation: bounce 2s infinite;
}
@keyframes bounce{
  0%,20%,50%,80%,100%{ transform: translateY(0); }
  40%{ transform: translateY(-10px); }
  60%{ transform: translateY(-5px); }
}

/* Upravený text v boxech */
.service-box h3 {
  font-size: 1.2em;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--brand-dark);
}
.service-box p {
  font-size: 0.95em;
  line-height: 1.6;
  margin: 0;
  text-align: center;
  color: #555;
}

/* ===== CENÍK ===== */
.cenik-boxes {
  display:flex;
  justify-content:center;
  gap:20px;
  flex-wrap:wrap;
}
.cenik-box {
  flex:1;
  max-width:300px;
  background:white;
  padding:20px;
  border-radius:10px;
  box-shadow:0 2px 6px rgba(0,0,0,0.1);
  text-align:center;
}
.cenik-box .icon {
  font-size:40px;
  color:#0073e6;
  margin-bottom:10px;
}

/* ===== KONTAKT ===== */
.contact {
  background: #c9c9c9;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  padding: 35px 20px;
  text-align: center;
  margin: 0 0.5cm;                     
  border-radius: 0;      
  box-sizing: border-box;
  max-width: calc(100% - 1cm);       
}
.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 300px;
  margin: 20px auto 0 auto;
}

/* ===== FORMULÁŘ ===== */
form label {
  display: block;
  margin-top: 15px;
  margin-bottom: 5px;
  font-weight: bold;
}
form input,
form textarea,
form button {
  width: 100%;
  margin-top: 0; /* odstraní zdvojené mezery */
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}
form button {
  background-color: var(--brand);
  color: white;
  border: none;
  cursor: pointer;
  margin-top: 15px;
  transition: background-color 0.3s;
}
form button:hover {
  background-color: var(--brand-dark);
}

/* ===== PATIČKA ===== */
footer{
  background:#333;
  color:#fff;
  text-align:center;
  padding:20px;
  font-size:.9em;
  margin-top:0;
}

/* ===== RESPONZIVITA ===== */
@media (max-width: 768px){
  .hero{ padding:60px 16px; }
  .hero h1{ font-size:2em; }
  .section{ padding:48px 16px; }
  :root{ --header-offset:82x; }
}
@media (max-width: 420px){
  nav{ gap:12px; flex-wrap:wrap; }
  .hero h1{ font-size:1.7em; }
  :root{ --header-offset:78px; }
  
  /* ===== TLAČÍTKOVÝ VZHLED PRO SLUŽBY ===== */
  .service-card .btn {
    display:inline-block;
    margin-top:15px;
    padding:12px 25px;
    border:none;
    border-radius:8px;
    background:var(--brand);
    color:#fff;
    font-weight:bold;
    cursor:pointer;
    transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    text-decoration:none;
  }

  .service-card .btn:hover {
    transform:translateY(-3px);
    background:var(--brand-dark);
    box-shadow:0 5px 15px rgba(0,0,0,0.2);
  }

  .service-card .btn:active {
    transform:translateY(1px) scale(0.97);
    box-shadow:0 2px 8px rgba(0,0,0,0.15);
  }
}

/* ===== ODDĚLOVAČ MEZI SEKCE ===== */
.divider {
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--brand), transparent);
    margin: 60px auto;
    width: 70%;
    border-radius: 2px;
}