/* header.css – pełny styl nagłówka z submenu
   + dynamiczny offset treści pod header
   ------------------------------------- */

/* ------------------------------
   Zmienne globalne (musi być na górze)
   ------------------------------ */
   :root {
    --header-bg-color: #1a73e8;
    --header-top-bg: rgba(0, 0, 0, 0.1);
    --link-hover-color: #ffcc00;
    --transition-speed: 0.3s ease;
  
    /* DOMYŚLNY offset – nadpisze JS */
    --header-offset: 120px;
  }
  
  /* ------------------------------
     Globalne ustawienia + rezerwa pod fixed header
     ------------------------------ */
  body {
    margin: 0;
    padding-top: var(--header-offset); /* ← tu ważna zmiana */
    overflow-x: hidden;
    font-family: 'Helvetica Neue', Arial, sans-serif;
  }
  
  /* ==============================
     Fixed Header
     ============================== */
  .site-header {
    background: var(--header-bg-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: padding var(--transition-speed);
  }
  .site-header.scrolled {
    padding-top: 5px;
    padding-bottom: 5px;
  }
  
  /* ==============================
     Górna belka – kontakt i social
     ============================== */
  .header-top {
    width: 100%;
    padding: 8px 0;
    background: var(--header-top-bg);
  }
  .header-top-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  /* Dane kontaktowe */
  .contact-info {
    font-size: 1em;
    display: flex;
    align-items: center;
  }
  .contact-info a {
    color: #fff;
    text-decoration: none;
    margin-right: 20px;
    display: flex;
    align-items: center;
    position: relative;
    transition: color var(--transition-speed);
  }
  .contact-info a:hover {
    color: #d0e6ff;
  }
  .contact-icon {
    width: 24px;
    height: 24px;
    margin-right: 8px;
  }
  
  /* Social media */
  .social-info {
    font-size: 1em;
    display: flex;
    align-items: center;
  }
  .social-link {
    margin-right: 10px;
    display: flex;
    align-items: center;
    position: relative;
    transition: transform var(--transition-speed);
  }
  .social-link:hover {
    transform: translateY(-2px);
  }
  .social-icon {
    width: 24px;
    height: 24px;
  }
  
  /* Tooltipy */
  [data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 5px 8px;
    border-radius: 4px;
    white-space: nowrap;
    font-size: 0.85em;
    opacity: 1;
    pointer-events: none;
    transition: opacity var(--transition-speed);
    z-index: 10;
  }
  
  /* ==============================
     Dolna belka – logo i menu
     ============================== */
  .header-main {
    padding: 15px 0;
    background: var(--header-bg-color);
  }
  .header-main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  /* Logo */
  .logo img {
    max-height: 60px;
    height: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  }
  .logo img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
  }
  .header-main.scrolled .logo img {
    max-height: 50px;
  }
  
  /* ==============================
     Nawigacja główna
     ============================== */
  .main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    white-space: nowrap;
  }
  .main-nav ul li {
    margin: 0 20px;
    position: relative; /* potrzebne dla submenu */
  }
  .main-nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
    padding: 10px 5px;
    letter-spacing: 0.5px;
    transition: color var(--transition-speed), transform var(--transition-speed), border-bottom var(--transition-speed);
  }
  .main-nav ul li a:hover {
    color: var(--link-hover-color);
    transform: translateY(-3px);
    border-bottom: 2px solid var(--link-hover-color);
  }
  
  /* ==============================
     Drop-down submenu
     ============================== */
  /* ukryj podmenu domyślnie */
  .main-nav ul li .submenu {
    display: none;
    position: absolute;
    top: 100%;      /* tuż pod elementem nadrzędnym */
    left: 0;
    background: var(--header-bg-color);
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    padding: 8px 0;
    min-width: 180px;
    z-index: 1001;
  }
  /* linki w submenu */
  .main-nav ul li .submenu li a {
    display: block;
    padding: 10px 20px;
    color: #fff;
    text-decoration: none;
    transition: background-color var(--transition-speed);
  }
  .main-nav ul li .submenu li a:hover {
    background-color: rgba(255,255,255,0.1);
  }
  /* pokaż submenu przy hover/focus */
  .main-nav ul li.has-submenu:hover > .submenu,
  .main-nav ul li.has-submenu:focus-within > .submenu {
    display: block;
  }
  /* strzałka przy elemencie z submenu */
  .main-nav ul li.has-submenu > a::after {
    content: " ▼";
    font-size: 0.7em;
    margin-left: 4px;
    vertical-align: middle;
  }
  
  /* ==============================
     Hero – usuń margin-top, padding steruje treścią
     ============================== */
  .hero {
    position: relative;
    background: url('../images/hero_bg.jpg') no-repeat center center/cover;
    padding: 120px 0; /* wewnętrzny padding hero */
    text-align: center;
    overflow: hidden;
  }
  
  /* ==============================
     Responsywność
     ============================== */
  @media (max-width: 768px) {
    .header-top-content,
    .header-main-container {
      flex-direction: column;
      align-items: center;
    }
    .main-nav ul {
      flex-direction: column;
    }
    .main-nav ul li {
      margin: 10px 0;
    }
  }