/* ======================= GLOBAL STYLING ======================= */

/* Reset predvolených margínov a paddingov - * selektor aplikuje na všetky prvky */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Hladké posúvanie stránky - html element */
html {
    scroll-behavior: smooth;
}

/* Základný štýl telesa stránky - farba textu, pozadia, typografia */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.8;
    color: #2c2c2c;
    background-color: #fafafa;
}

/* ======================= HEADER ======================= */

/* Hlavička stránky - sticky pozícia s flexboxom, border a padding */
header {
    background-color: #ffffff;
    padding: 1rem 2rem;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: start;
    gap: 2rem;
    flex-wrap: wrap;
}

/* Skupinový element - flexbox pre logo a nadpis */
hgroup {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Odkazový element v header - border je zrušený na hover */
header > a {
    display: flex;
    align-items: center;
    gap: 1rem;
    border: none;
    flex-shrink: 0;
}

header > a:hover {
    border-bottom: none;
}

/* Logo v header - priehľadnosť na hover, zaoblené rohy */
header img {
    width: 45px;
    height: 45px;
    opacity: 0.85;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

header img:hover {
    opacity: 1;
}

/* Nadpisy v header - h1 a h3 selektory */
header h1,
header h3 {
    font-size: 1.2rem;
    color: #2c2c2c;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0;
}

header p {
    font-size: 0.9rem;
    color: #666;
    font-weight: 300;
    margin: 0;
    white-space: nowrap;
}

.header-title {
   margin-right: auto;
}

/* ======================= NAVIGATION ======================= */

/* Navigačný menu - vnorený v header, bez pozadia */
header nav {
    background-color: transparent;
    border: none;
    padding: 0;
    margin: 0;
}

/* Zoznam navigácie - flex layout horizontálne */
nav ul {
    list-style: none;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 0;
    margin: 0;
    padding: 0;
    align-items: center;
}

nav li {
    margin: 0;
}

/* Odkazy v navigácii - padding, farba, hover efekt */
nav a {
    display: inline-block;
    padding: 0.6rem 1rem;
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: all 0.2s ease;
}

nav a:hover {
    color: #2c2c2c;
    background-color: #f0f0f0;
}

/* ======================= MAIN CONTENT ======================= */

/* Hlavný obsah - max šírka, centrovaný, padding */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Článok - biele pozadie, border, padding, vonkajší okraj */
article {
    background-color: #ffffff;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #e0e0e0;
}

/* Vnútorná hlavička v článku */
article > header {
    position: static;
    padding: 0;
    border: none;
    margin-bottom: 1.5rem;
    display: block;
}

article > header h1,
article > header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

article > header p {
    font-size: 1.05rem;
    color: #666;
    margin: 0;
}

/* Sekcie - vnútorný okraj, oddeľujúci border */
section {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid #f0f0f0;
}

section:last-child {
    border-bottom: none;
}

section h3 {
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 1rem;
    color: #2c2c2c;
}

section h4 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: #333;
}

/* ======================= TYPOGRAPHY ======================= */

/* Nadpisy - všetky úrovne h1-h6 */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
}

/* Paragraf - vnútorný okraj */
p {
    margin-bottom: 1rem;
}

/* Zvýraznenie textu - bold, tmavšia farba */
strong {
    font-weight: 500;
    color: #1a1a1a;
}

/* Kurzíva - italika, zmena farby */
em {
    font-style: italic;
    color: #555;
}

/* Zvýraznení text - žltý background */
mark {
    background-color: #fffacd;
    padding: 0.1rem 0.3rem;
}

/* Blokový citát - border vľavo, italika */
blockquote {
    border-left: 3px solid #ddd;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: #555;
    font-style: italic;
}

blockquote p {
    margin: 0.5rem 0;
}

/* Zdroj citátu */
cite {
    font-style: normal;
    color: #777;
    display: block;
    margin-top: 0.5rem;
}

/* Inline citát */
q {
    font-style: italic;
    color: #555;
}

/* Všetky odkazy - farba, priehľadný border, hover efekt */
a {
    color: #2c2c2c;
    text-decoration: none;
    
    transition: all 0.2s ease;
}

a:hover {
    color: #2c2c2c;
    background-color: #f0f0f0;
}

/* ======================= LISTS ======================= */

/* Usporiadané a neusporiadané zoznamy */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

ul li, ol li {
    margin-bottom: 0.6rem;
}

/* Neusporiadaný zoznam - bullet points */
ul {
    list-style-type: disc;
}

/* Usporiadaný zoznam - čísla */
ol {
    list-style-type: decimal;
}

li strong {
    color: #2c2c2c;
}

/* ======================= TABLES ======================= */

/* Tabuľka - minimalistický štýl */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: #ffffff;
}

/* Tabuľka hlavička - tmavý background */
table thead {
    background-color: #f0f0f0;
}

table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 500;
    color: #2c2c2c;
    border-bottom: 2px solid #ddd;
}

/* Tabuľka bunky */
table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e0e0e0;
}

/* Striped rows - pruhovanie riadkov */
table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Hover efekt na riadkoch */
table tbody tr:hover {
    background-color: #f0f0f0;
}

/* Tabuľka štatistík - špeciálne štýlovanie */
.stats-table {
    margin-top: 1rem;
}

.stats-table th:first-child {
    text-align: left;
}

.stats-table th:last-child {
    text-align: right;
}

.stats-table td:last-child {
    text-align: right;
    font-weight: 500;
}

/* SVG in tables - centered and sized */
table svg {
    width: 60px;
    height: 60px;
    display: block;
    margin: 0 auto;
}

/* Images in tables - centered and sized */
table td img {
    width: 40px;
    height: 40px;
    display: block;
    margin: 0 auto;
    border-radius: 6px;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

table tbody tr:hover td img {
    opacity: 1;
}

/* Social Media Links - custom SVG bullet */
.social-links {
    list-style-type: none;
    margin: 1rem 0 1rem 2rem;
    padding: 0;
}

.social-links li {
    list-style-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9ImN1cnJlbnRDb2xvciIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiIGNsYXNzPSJsdWNpZGUgbHVjaWRlLWNpcmNsZS1hcnJvdy1yaWdodC1pY29uIGx1Y2lkZS1jaXJjbGUtYXJyb3ctcmlnaHQiPjxjaXJjbGUgY3g9IjEyIiBjeT0iMTIiIHI9IjEwIi8+PHBhdGggZD0ibTEyIDE2IDQtNC00LTQiLz48cGF0aCBkPSJNOCAxMmg4Ii8+PC9zdmc+');
    margin-bottom: 0.6rem;
}

.social-links a {
    border-bottom: none;
}

.social-links a:hover {
    border-bottom: none;
}

/* ======================= ASIDE ======================= */

/* Bočný panel - iná farba pozadia, border vľavo */
aside {
    background-color: #f9f9f9;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid #e0e0e0;
    border-left: 3px solid #ddd;
}

aside h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

aside ul {
    margin-left: 1.5rem;
}

aside p {
    margin-bottom: 0.8rem;
}

/* ======================= IMAGES ======================= */

/* Obrázky - responzívne, zaoblené rohy, zoom na hover */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Floating images - text wrapping */
img.float-left {
    float: left;
    margin-right: 1.5rem;
    margin-bottom: 1rem;
    max-width: 40%;
}

img.float-right {
    float: right;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    max-width: 40%;
}

/* Clear float after content */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* ======================= LOGO STYLING ======================= */

/* Header logo image - standard size across all pages */
.logo-link img {
    width: 50px;
    height: 50px;
}

/* ======================= VIDEO & AUDIO CONTAINERS ======================= */

/* Kontajner pre video - responzívny aspekt ratio */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 1.5rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* Kontajner pre audio - stylizácia s borderlin */
.audio-container {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background-color: #f9f9f9;
    border-left: 4px solid #2c2c2c;
    border-radius: 6px;
}

.audio-container audio {
    width: 100%;
    outline: none;
}

.audio-container iframe {
    border-radius: 12px;
    border: none;
    width: 100%;
}

map, area {
    outline: none;
}

/* ======================= FOOTER ======================= */

/* Päta stránky - border nahor, padding, text alignment */
footer {
    background-color: #ffffff;
    border-top: 1px solid #e0e0e0;
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
    color: #666;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #2c2c2c;
    border-bottom: 1px solid #e0e0e0;
}

footer a:hover {
    border-bottom-color: #2c2c2c;
}

footer small {
    display: block;
    margin-top: 0.5rem;
    color: #999;
}

/* ======================= RESPONSIVE DESIGN ======================= */

/* Tablet - max-width 768px */
@media (max-width: 768px) {
    main {
        padding: 2rem 1rem;
    }

    article {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

    section {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }

    header {
        padding: 1rem 1.5rem;
        gap: 1rem;
    }

    header h1,
    header h3 {
        font-size: 1.1rem;
    }

    header img {
        width: 40px;
        height: 40px;
    }

    nav a {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }

    section h3 {
        font-size: 1.2rem;
    }

    article > header h1,
    article > header h2 {
        font-size: 1.6rem;
    }
}

/* Mobilný - max-width 480px */
@media (max-width: 480px) {
    header {
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }

    header > a {
        gap: 0.5rem;
    }

    header h1,
    header h3 {
        font-size: 0.95rem;
    }

    header img {
        width: 35px;
        height: 35px;
    }

    nav a {
        padding: 0.3rem 0.5rem;
        font-size: 1.5rem;
    }

    section h3 {
        font-size: 1.1rem;
    }

    article > header h1,
    article > header h2 {
        font-size: 1.3rem;
    }

    aside {
        padding: 1.5rem;
    }

    ul, ol {
        margin-left: 1.5rem;
    }
}

/* ======================= MAPS ======================= */

.map-container {
    position: relative;
    width: 100%;
    /* 4:3 Aspect Ratio */
    padding-bottom: 75%; 
    height: 0;
    overflow: hidden;
    margin: 1.5rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}