/* Header CTA visibility and sizing */
    .header-cta { display: none !important; }
    @media (min-width: 769px) { .header-cta { display: inline-flex !important; } }

    .header-cta-button {
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 10px;
      background: var(--color-primary);
      color: #fff;
      text-decoration: none;
      font-weight: 700;
      font-size: 0.95rem;
      position: relative;
      line-height: 1.1;
      white-space: nowrap;
    }
    .header-cta-button .badge-new {
      position: absolute;
      top: -7px;
      left: 8px;
      font-size: 10px;
      line-height: 1;
      padding: 2px 7px;
      border-radius: 999px;
      background: var(--color-secondary);
      color: var(--color-bg);
      font-weight: 800;
      letter-spacing: .3px;
    }

    /* Mobile-only elements */
    .mobile-only { display: none; }
    @media (max-width: 768px) { .mobile-only { display: list-item; } }

    /* Mobile nav CTA */
    .nav-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 10px 14px;
      border-radius: 12px;
      background: var(--color-primary);
      color: #fff;
      text-decoration: none;
      font-weight: 700;
      width: 100%;
    }
    .nav-pill .badge-new {
      font-size: 10px;
      line-height: 1;
      padding: 2px 7px;
      border-radius: 999px;
      background: var(--color-secondary);
      color: var(--color-bg);
      font-weight: 800;
      letter-spacing: .3px;
    }
    .header-cta:focus { outline: 2px solid var(--color-secondary); outline-offset: 2px; }
    :focus { outline: 2px solid var(--color-secondary); outline-offset: 2px; }

    /* Styl dla rozwijalnego kontenera */
    .collapsible-container {
      border: 1px solid #ccc;
      border-radius: 5px;
      margin: 40px auto;
      max-width: 1200px;
      overflow: hidden;
    }
    .collapsible-header {
      background-color: var(--color-primary);
      color: var(--color-bg);
      padding: 15px;
      text-align: center;
      font-size: 1.2rem;
      font-weight: bold;
      cursor: pointer;
      user-select: none;
    }
    .collapsible-content {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #fafafa;
      transition: max-height 0.5s ease;
    }
    .collapsible-content.show {
      max-height: none;
      padding: 20px;
    }
    .collapsible-header::after {
      content: "▶";
      margin-left: 10px;
      transition: transform 0.3s ease;
      display: inline-block;
    }
    .collapsible-header[aria-expanded="true"]::after {
      transform: rotate(90deg);
    }
    /* Dark mode dla rozwijalnego kontenera */
    body.dark-mode .collapsible-container {
      border-color: #444;
    }
    body.dark-mode .collapsible-content {
      background-color: var(--color-card-background);
      color: var(--color-text-primary);
    }

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

    /* PŁYNNE PRZEWIJANIE DO ZAKOTWICZEŃ */
    html {
      scroll-behavior: smooth;
    }

    /* USTAWIENIA PODSTAWOWEGO FONTU */
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
      transition: background-color 1s, color 1s;
    }

    /* ========== MOTYWY JASNE ========== */

    /* THEME CLASSIC */
    body.theme-classic {
      --color-primary: #29606D;
      --color-secondary: #DDAA4F;
      --color-accent: #00a8ff;
      --color-bg: #ffffff;
      --color-text-primary: #1A1A1A;
      --color-text-secondary: #666666;
      --color-card-background: rgba(255, 255, 255, 0.95);
      --color-card-shadow: rgba(0, 0, 0, 0.1);
      --color-overlay: rgba(0, 0, 0, 0.4);
      --color-success: #4CAF50;
      --color-warning: #FFC107;
      --color-error: #FF5252;
      --color-button-highlight: rgba(255, 255, 255, 0.2);
      background-color: var(--color-bg);
      color: var(--color-text-primary);
    }

    /* THEME MOUNTAIN */
    body.theme-mountain {
      --color-primary: #2B4C7E;
      --color-secondary: #738FA7;
      --color-accent: #A8C6FA;
      --color-bg: #ffffff; 
      --color-text-primary: #1A1A1A;
      --color-text-secondary: #666666;
      --color-card-background: rgba(255, 255, 255, 0.95);
      --color-card-shadow: rgba(0, 0, 0, 0.1);
      --color-overlay: rgba(0, 0, 0, 0.4);
      --color-success: #4CAF50;
      --color-warning: #FFC107;
      --color-error: #FF5252;
      --color-button-highlight: rgba(255, 255, 255, 0.2);
      background-color: var(--color-bg);
      color: var(--color-text-primary);
    }

    /* THEME BEACH */
    body.theme-beach {
      --color-primary: #1B6C8A;
      --color-secondary: #e8723f;
      --color-accent: #FFD166;
      --color-bg: #ffffff;
      --color-text-primary: #1A1A1A;
      --color-text-secondary: #4E4E4E;
      --color-card-background: rgba(255, 255, 255, 0.9);
      --color-card-shadow: rgba(0, 0, 0, 0.2);
      --color-overlay: rgba(0, 0, 0, 0.3);
      --color-success: #48A999;
      --color-warning: #FF9F1C;
      --color-error: #D7263D;
      --color-button-highlight: rgba(255, 255, 255, 0.25);
      background-color: var(--color-bg);
      color: var(--color-text-primary);
    }

    /* THEME DESERT */
    body.theme-desert {
      --color-primary: #C19A6B;
      --color-secondary: #FFB347;
      --color-accent: #CD853F;
      --color-bg: #ffffff;
      --color-text-primary: #1A1A1A;
      --color-text-secondary: #666666;
      --color-card-background: rgba(255, 255, 255, 0.95);
      --color-card-shadow: rgba(0, 0, 0, 0.1);
      --color-overlay: rgba(0, 0, 0, 0.4);
      --color-success: #4CAF50;
      --color-warning: #FFC107;
      --color-error: #FF5252;
      --color-button-highlight: rgba(255, 255, 255, 0.2);
      background-color: var(--color-bg);
      color: var(--color-text-primary);
    }

    /* THEME FOREST */
    body.theme-forest {
      --color-primary: #2E8B57;
      --color-secondary: #4CAF50;
      --color-accent: #556B2F;
      --color-bg: #ffffff;
      --color-text-primary: #1A1A1A;
      --color-text-secondary: #666666;
      --color-card-background: rgba(255, 255, 255, 0.95);
      --color-card-shadow: rgba(0, 0, 0, 0.1);
      --color-overlay: rgba(0, 0, 0, 0.4);
      --color-success: #4CAF50;
      --color-warning: #FFC107;
      --color-error: #FF5252;
      --color-button-highlight: rgba(255, 255, 255, 0.2);
      background-color: var(--color-bg);
      color: var(--color-text-primary);
    }

    /* ========== DARK MODE DLA KAŻDEGO MOTYWU ========== */

    /* CLASSIC DARK */
    body.theme-classic.dark-mode {
      --color-bg: #1a1a1a;
      --color-text-primary: #f0f0f0;
      --color-text-secondary: #cccccc;
      --color-card-background: #2a2a2a;
    }

    /* MOUNTAIN DARK */
    body.theme-mountain.dark-mode {
      --color-bg: #121212;
      --color-text-primary: #fafafa;
      --color-text-secondary: #cccccc;
      --color-card-background: #2e2e2e;
    }

    /* BEACH DARK */
    body.theme-beach.dark-mode {
      --color-bg: #131313;
      --color-text-primary: #f7f7f7;
      --color-text-secondary: #d0d0d0;
      --color-card-background: #2b2b2b;
    }

    /* DESERT DARK */
    body.theme-desert.dark-mode {
      --color-bg: #1c1c1c;
      --color-text-primary: #f5f5f5;
      --color-text-secondary: #c9c9c9;
      --color-card-background: #2c2c2c;
    }

    /* FOREST DARK */
    body.theme-forest.dark-mode {
      --color-bg: #141414;
      --color-text-primary: #eeeeee;
      --color-text-secondary: #cccccc;
      --color-card-background: #252525;
    }

    /* Dodatkowe ustawienia hero-text w trybie ciemnym */
    body.dark-mode .hero-text {
      background-color: rgba(255, 255, 255, 0.1);
      color: var(--color-text-primary);
    }

    body.dark-mode .hero-text a {
      background-color: var(--color-text-primary);
      color: var(--color-bg);
      transition: background-color 0.3s;
    }
    body.dark-mode .hero-text a:hover {
      background-color: var(--color-secondary);
    }

    /* NAGŁÓWEK */
    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 40px;
      position: sticky;
      top: 0;
      z-index: 10;
      background-color: var(--color-bg);
      border-bottom: 1px solid #e2e2e2;
    }

    .logo {
      font-size: 1.5rem;
      font-weight: 600;
      text-decoration: none;
      color: var(--color-text-primary);
    }

    /* ========== MENU ========== */
    nav ul {
      list-style: none;
      display: flex;
      gap: 20px;
    }

    nav a {
      text-decoration: none;
      color: var(--color-text-primary);
      font-weight: 500;
      transition: opacity 0.3s;
    }

    nav a:hover {
      opacity: 0.7;
    }

    /* PRZEŁĄCZNIKI (motyw, język, tryb ciemny/jasny) */
    .header-extra {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .header-extra label,
    .header-extra select {
      font-size: 1rem;
    }

    .dark-toggle {
      display: flex;
      align-items: center;
      gap: 5px;
      cursor: pointer;
    }

    /* IKONA HAMBURGER */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--color-text-primary);
      font-size: 1.8rem;
      cursor: pointer;
    }

    /* ✅ Ikonki motywu domyślnie ukryte (pokażemy je na mobile w media query) */
    .theme-icons { display: none; }

    /* SEKCJA HERO (✅ tło góry + overlay) */
    .hero {
      position: relative;
      width: 100%;
      height: 100vh;
      background: url("images/decor/mountains.png") no-repeat center center/cover;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    /* Performance: background-attachment: fixed can be expensive; enable only on large screens */
    @media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
      .hero { background-attachment: fixed; }
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.55));
      pointer-events: none;
    }

    .hero > * { position: relative; z-index: 1; }

    .hero-text {
      text-align: center;
      background-color: rgba(255, 255, 255, 0.8);
      padding: 40px 60px;
      border-radius: 10px;
      max-width: 600px;
      color: var(--color-text-primary);
      transition: background-color 0.3s, color 0.3s;

      /* ✅ efekt „glass” */
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.35);
    }

    .hero-text h1 {
      font-size: 3rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .hero-text p {
      font-size: 1.25rem;
      line-height: 1.5;
      margin-bottom: 20px;
    }

    .hero-text a {
      display: inline-block;
      background-color: var(--color-primary);
      color: #fff;
      padding: 15px 30px;
      font-size: 1rem;
      border-radius: 5px;
      text-decoration: none;
      transition: background-color 0.3s;
    }

    .hero-text a:hover {
      background-color: var(--color-secondary);
    }

    /* Performance: render below-the-fold content lazily */
    .section,
    .visual-divider,
    .cta,
    footer {
      content-visibility: auto;
      contain-intrinsic-size: 1px 900px;
    }

    /* SEKCJA (SECTION) */
    .section {
      width: 100%;
      max-width: 1200px;
      margin: 80px auto;
      padding: 0 20px;
      text-align: center;
    }

    .section h2 {
      font-size: 2.5rem;
      margin-bottom: 20px;
      font-weight: 700;
      color: var(--color-text-primary);
    }

    .section p {
      font-size: 1.2rem;
      line-height: 1.6;
      margin-bottom: 40px;
      color: var(--color-text-secondary);
    }

    /* ✅ Dekoracyjne tło (mapa świata) w sekcjach */
    .section.map-watermark {
      position: relative;
      overflow: hidden;
    }
    .section.map-watermark > * {
      position: relative;
      z-index: 1;
    }
    .section.map-watermark .decor-map {
      position: absolute;
      top: -80px;
      left: 50%;
      transform: translateX(-50%);
      width: 1200px;
      max-width: 140%;
      height: auto;
      opacity: 0.08;
      filter: saturate(0) contrast(1.05);
      z-index: 0;
      pointer-events: none;
      user-select: none;
    }
    body.dark-mode .section.map-watermark .decor-map {
      opacity: 0.10;
      filter: invert(1) brightness(1.15) contrast(1.05);
    }

    /* ✅ Dekoracyjny divider (grafika pełnej szerokości) */
    .visual-divider {
      width: 100%;
      height: 280px;
      margin: 70px 0;
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center;
      position: relative;
      border-top: 1px solid rgba(0,0,0,0.06);
      border-bottom: 1px solid rgba(0,0,0,0.06);
    }
    body.dark-mode .visual-divider {
      border-top-color: rgba(255,255,255,0.10);
      border-bottom-color: rgba(255,255,255,0.10);
    }
    .visual-divider::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(0,0,0,0.10), rgba(0,0,0,0.15));
      pointer-events: none;
    }
    .visual-divider--boat {
      background-image: url("images/decor/boat.png");
    }
    @media (prefers-reduced-motion: no-preference) {
      .visual-divider--boat {
        animation: trDrift 18s ease-in-out infinite;
      }
    }
    @keyframes trDrift {
      0%   { background-position: 50% 45%; }
      50%  { background-position: 52% 50%; }
      100% { background-position: 50% 45%; }
    }

    /* FUNKCJE (cards) */
    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    /* ANIMACJA POJAWIANIA SIĘ */
    .feature-box {
      background-color: var(--color-card-background);
      padding: 40px 20px;
      border-radius: 10px;
      box-shadow: 0 10px 20px var(--color-card-shadow);
      transition: box-shadow 0.3s, transform 0.6s, opacity 0.6s;
      opacity: 0;
      transform: scale(0.95);
    }

    .feature-box.in-view {
      opacity: 1;
      transform: scale(1);
    }

    .feature-box:hover {
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    }

    .feature-box h3 {
      font-size: 1.4rem;
      margin-bottom: 15px;
      font-weight: 600;
      color: var(--color-primary);
    }

    .feature-box p {
      color: var(--color-text-secondary);
      line-height: 1.5;
    }

    /* ZRZUTY EKRANU */
    .screenshots {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 40px;
    }

    .screenshots img {
      width: 300px;
      height: auto;
      border-radius: 20px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s;
    }

    .screenshots img:hover {
      transform: scale(1.05);
    }

    /* AKTUALNOŚCI */
    .updates {
      text-align: left;
      margin-top: 40px;
      background-color: #fafafa;
      padding: 40px;
      border-radius: 10px;
    }

    .updates h3 {
      font-size: 1.8rem;
      margin-bottom: 15px;
      font-weight: 600;
      color: var(--color-primary);
    }

    .updates p {
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin-bottom: 15px;
    }

    /* SEKCJA EXTENDED */
    .extended {
      text-align: left;
      margin-top: 40px;
      background-color: #eef7ff;
      padding: 40px;
      border-radius: 10px;
    }

    .extended h3 {
      font-size: 1.8rem;
      margin-bottom: 15px;
      font-weight: 600;
      color: var(--color-primary);
    }

    .extended ul {
      list-style: none;
      padding: 0;
      margin: 20px 0;
    }

    .extended li {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: var(--color-text-secondary);
    }

    .extended li:before {
      content: "\2022";
      color: var(--color-secondary);
      display: inline-block;
      width: 1em;
      margin-left: -1em;
    }

    /* CTA */
    .cta {
      background-color: var(--color-primary);
      color: #fff;
      padding: 80px 0;
      text-align: center;
    }

    .cta h2 {
      font-size: 2.5rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .cta p {
      font-size: 1.2rem;
      line-height: 1.6;
      margin-bottom: 40px;
      color: #fff;
    }

    .cta a {
      display: inline-block;
      color: #fff;
      padding: 15px 30px;
      font-size: 1rem;
      border-radius: 5px;
      text-decoration: none;
      transition: background-color 0.3s;
    }

    /* STOPKA */
    footer {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--color-bg);
      border-top: 1px solid #e2e2e2;
      margin-top: 80px;
    }

    footer p {
      margin-bottom: 10px;
      color: var(--color-text-secondary);
    }

    /* RESPONSYWNOŚĆ */
    @media screen and (max-width: 768px) {
      .header-extra {
        gap: 10px;
      }

      header { padding: 12px 14px; }
      .logo { font-size: 1.25rem; }
      .header-extra { flex-wrap: wrap; justify-content: flex-end; gap: 10px; }

      .lang-flags { gap: 6px; }
      .flag-emoji { font-size: 1.25rem; margin: 0 2px; }

      /* Theme: keep dropdown on mobile, remove icon row */
      .theme-selector{
        display:inline-block;
        max-width:140px;
        padding:6px 10px;
        border-radius:10px;
        border:1px solid rgba(0,0,0,0.15);
        background:var(--color-card-background);
        color:var(--color-text-primary);
      }
      body.dark-mode .theme-selector{ border-color: rgba(255,255,255,0.18); }
      .theme-icons{ display:none; }

      /* hamburger widoczny */
      .menu-toggle {
        display: block;
      }

      nav ul {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        background: var(--color-bg);
        position: absolute;
        top: 72px;
        left: 12px;
        right: 12px;
        transform: translateY(-10px);
        padding: 14px;
        border-radius: 14px;
        box-shadow: 0 10px 24px rgba(0,0,0,0.22);
        opacity: 0;
        transition: opacity 0.25s ease, transform 0.25s ease;
        z-index: 20;
      }

      nav ul li a {
        display: block;
        padding: 12px 12px;
        border-radius: 12px;
      }

      nav ul li a:hover {
        background: rgba(0,0,0,0.05);
      }

      body.dark-mode nav ul li a:hover {
        background: rgba(255,255,255,0.06);
      }

      nav ul.show-menu {
        display: flex;
        opacity: 1;
        transform: translateY(0);
      }

      /* Zastępujemy dropdown języka flagami (tylko w stylu) */
      .header-extra #languageSelect {
        display: none;
      }
      .lang-flags {
        display: flex;
        gap: 8px;
      }
      .lang-flags img {
        width: 25px;
        height: 25px;
        cursor: pointer;
      }

      .visual-divider { height: 220px; margin: 50px 0; }
      .section.map-watermark .decor-map { top: -40px; opacity: 0.07; }
    }

    @media screen and (max-width: 480px) {
      .hero-text h1 {
        font-size: 2.5rem;
      }

      .hero-text p {
        font-size: 1rem;
      }

      .feature-box h3 {
        font-size: 1.5rem;
      }

      .feature-box p {
        font-size: 0.9rem;
      }

      .updates h3, .extended h3 {
        font-size: 1.5rem;
      }

      .cta h2 {
        font-size: 2rem;
      }

      .cta p {
        font-size: 1rem;
      }
    }

    /* LINKI (social + sklepy) */
    .links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 18px;
      margin-top: 28px;
      text-align: left;
    }

    .link-card {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 18px;
      border-radius: 14px;
      background: var(--color-card-background);
      box-shadow: 0 10px 20px var(--color-card-shadow);
      text-decoration: none;
      color: var(--color-text-primary);
      border: 1px solid rgba(0,0,0,0.06);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    body.dark-mode .link-card {
      border-color: rgba(255,255,255,0.10);
    }

    .link-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(0,0,0,0.14);
    }

    .link-card:focus {
      outline: 2px solid var(--color-secondary);
      outline-offset: 3px;
    }

    .link-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(0,0,0,0.05);
      color: var(--color-primary);
      flex: 0 0 44px;
    }

    body.dark-mode .link-icon {
      background: rgba(255,255,255,0.06);
    }

    .link-title {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 4px;
    }

    .link-desc {
      color: var(--color-text-secondary);
      line-height: 1.4;
      font-size: 0.98rem;
      margin-bottom: 6px;
    }

    .link-url {
      font-size: 0.9rem;
      opacity: 0.75;
    }

    .links-note {
      margin-top: 14px;
      color: var(--color-text-secondary);
      opacity: 0.9;
    }

    @media screen and (max-width: 480px) {
      .link-card { padding: 16px; }
      .link-icon { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 12px; }
    }

    /* Ikonki emoji – prosta stylizacja */
    .flag-emoji, .theme-emoji {
      font-size: 1.5rem;
      cursor: pointer;
      margin: 0 5px;
      transition: transform 0.2s;
    }

    .flag-emoji:hover, .theme-emoji:hover {
      transform: scale(1.2);
    }