/* Main styles */
:root {
    --primary-color: #166534;    /* tmavě zelená */
    --secondary-color: #15803d;  /* středně zelená */
    --accent-color: #22c55e;     /* světle zelená pro zvýraznění */
    --text-color: #333;
    --light-bg: #f0fdf4;        /* velmi světle zelená */
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background: var(--light-bg);
    /* Vrstvené pozadí: gradient + poloprůhledný bike pattern + watermark logo */
    background-image: radial-gradient(circle at 30% 20%, rgba(34,197,94,0.15) 0%, transparent 60%), radial-gradient(circle at 70% 70%, rgba(21,128,61,0.15) 0%, transparent 65%);
    position: relative;
}

    /* Achievements table */
    .table-wrapper { margin-top: 2rem; overflow-x:auto; background: rgba(255,255,255,0.05); padding:1rem; border-radius:12px; box-shadow:0 2px 8px rgba(0,0,0,0.25); }
    .achievements-table { width:100%; border-collapse: separate; border-spacing:0; font-size:0.9rem; }
    .achievements-table th, .achievements-table td { border:1px solid rgba(34,197,94,0.55); padding:0.45rem 0.65rem; text-align:center; }
    .achievements-table th { color:#fff; }
    .achievements-table th { background: linear-gradient(135deg,#1b242f,#3a5d7d); position:sticky; top:0; color:#fff; font-weight:700; letter-spacing:.4px; }
    .achievements-table tbody tr:nth-child(even){ background:rgba(34,197,94,0.08); }
    .achievements-table tbody tr:hover td { box-shadow:inset 0 0 0 999px rgba(34,197,94,0.12); transition:.25s; }
    .achievements-table th { border-bottom:2px solid var(--accent-color); }
    .achievements-table td { border-right:1px solid rgba(34,197,94,0.35); }
    .achievements-table td:last-child { border-right:1px solid rgba(34,197,94,0.55); }
    .table-wrapper { border:2px solid var(--accent-color); }
    .achievements-table td:first-child, .achievements-table th:first-child { text-align:left; font-weight:600; color:#fff; position:sticky; left:0; background:linear-gradient(135deg,#1b242f,#3a5d7d); z-index:2; }
    /* Default body cell text color for readability */
    .achievements-table tbody td { color:#222; background:rgba(255,255,255,0.85); }
    .achievements-table tbody td.pending { background:rgba(0,0,0,0.08); color:#444; }
    .achievements-table tbody td.done { background:#1e7e34; color:#fff; font-weight:bold; }
    .achievements-table tbody td.streak { background: linear-gradient(135deg,#1e7e34,#2fa94d); color:#fff; }
    .achievements-table td.done { background:#1e7e34; color:#fff; font-weight:bold; }
    .achievements-table td.pending { background:rgba(255,255,255,0.08); color:#ccc; }
    .achievements-table td.streak { background: linear-gradient(135deg,#1e7e34,#2fa94d); color:#fff; font-weight:700; position:relative; }
    .achievements-table td.streak::before { content:'★'; position:absolute; top:4px; right:6px; font-size:.65rem; opacity:.9; }
    .legend-box { display:inline-block; width:22px; height:22px; line-height:22px; text-align:center; border-radius:6px; font-weight:bold; font-size:.85rem; margin-right:.4rem; }
    .legend-box.done { background:#1e7e34; color:#fff; }
    .legend-box.pending { background:rgba(255,255,255,0.15); color:#fff; }
    .legend { margin-top:0.8rem; font-size:0.8rem; opacity:0.85; }
    .legend-box { display:inline-block; width:16px; height:16px; line-height:16px; text-align:center; font-size:0.75rem; font-weight:bold; border-radius:4px; margin-right:4px; }
    .legend-box.done { background:#1e7e34; color:#fff; }
    .legend-box.pending { background:rgba(255,255,255,0.15); color:#fff; }
    .upcoming-actions { list-style:disc; margin-left:1.2rem; }
    .upcoming-actions li { margin:0.3rem 0; }

/* --- Facebook social feed --- */
.social-feed {
    background: transparent; /* sjednocení s ostatními sekcemi */
    padding: 1.5rem 0 0.5rem;
    margin-top: 0; /* odstranění překryvu pod navigací */
}
.social-feed .container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.social-feed .fb-page {
    width: 100% !important;
    max-width: 500px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.12);
    border-radius: 12px;
    overflow: hidden;
}
.social-feed iframe {
    width: 100% !important;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    background: var(--light-bg); /* sladění se zbytkem karet */
}
.feed-fallback {
    margin-top: 1rem;
    background: var(--light-bg);
    padding: 1rem 1.25rem 0.75rem;
    border: 1px solid rgba(22,101,52,0.15);
    border-radius: 10px;
    max-width: 500px;
    width: 100%;
}
.feed-fallback h3 {
    margin: 0 0 .6rem;
    font-size: 1rem;
    color: var(--primary-color);
}
.feed-fallback ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .4rem; }
.feed-fallback a { color: var(--secondary-color); text-decoration: none; position: relative; }
.feed-fallback a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--secondary-color); transition: width .3s ease; }
.feed-fallback a:hover::after { width: 100%; }
@media (max-width: 600px) {
    .social-feed { padding: 1.5rem 0 0.5rem; }
    .social-feed .fb-page { max-width: 100%; }
}

/* Accessibility helper */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Logo watermark v pozadí */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url('../images/logos/logo.png') center/1400px auto no-repeat; /* široké, zachová poměr stran */
    opacity: 0.10;
    pointer-events: none;
    mix-blend-mode: multiply;
    z-index: -2;
}
@media (max-width: 1200px){ body::before { background-size: 1100px auto; } }
@media (max-width: 900px){ body::before { background-size: 820px auto; opacity:.09; } }
@media (max-width: 600px){ body::before { background-size: 520px auto; opacity:.085; } }

/* Jemný pattern nad watermarkem */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: linear-gradient(135deg, rgba(22,101,52,0.06) 25%, transparent 25%, transparent 50%, rgba(22,101,52,0.06) 50%, rgba(22,101,52,0.06) 75%, transparent 75%, transparent);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
    padding: 30px;
}

/* Moderní tlačítka */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--gradient);
    color: var(--white);
}

/* Animované karty */
.animated-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.animated-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.animated-card:hover::before {
    transform: scaleX(1);
}

.animated-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0; z-index: 10;
    backdrop-filter: blur(4px);
}

.nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: flex-end; /* posun položek na spodní hranu */
    flex-wrap: wrap; /* umožní zalomení při menším prostoru */
    gap: .75rem 2rem; /* mezery při zalomení */
    flex-direction: row; /* základní směr */
}
.nav-menu.nav-vertical { flex-direction: column; align-items: center; gap: .6rem; }
.nav-menu.nav-vertical .logo { order: 0; margin-left: 0; padding: 4px 0 0; }
.nav-menu.nav-vertical ul { order: 1; padding: 0 0 4px; }
.nav-menu.nav-vertical ul { justify-content: center; }

/* Burger menu button */
.burger-btn { display:none; background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.3); color:#fff; padding:.55rem .75rem; border-radius:8px; cursor:pointer; font-size:.9rem; line-height:1; position:relative; }
.burger-btn:focus { outline:2px solid #fff; outline-offset:2px; }
.burger-lines { width:20px; height:14px; display:inline-block; position:relative; margin-right:.4rem; }
.burger-lines span { position:absolute; left:0; width:100%; height:2px; background:#fff; transition:.35s ease; }
.burger-lines span:nth-child(1){ top:0; }
.burger-lines span:nth-child(2){ top:6px; }
.burger-lines span:nth-child(3){ bottom:0; }
.burger-btn.active .burger-lines span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger-btn.active .burger-lines span:nth-child(2){ opacity:0; }
.burger-btn.active .burger-lines span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
    .nav-menu.nav-vertical ul { display:none; }
    .nav-menu.nav-vertical ul.open { display:flex; flex-direction:column; gap:.4rem; background:rgba(0,0,0,0.35); padding:.7rem 1rem 1rem; border-radius:10px; animation:fadeMenu .35s ease; }
    .burger-btn { display:flex; align-items:center; justify-content:center; order:1; }
    .nav-menu.nav-vertical .logo { order:0; }
}

@keyframes fadeMenu { from { opacity:0; transform:translateY(-6px);} to { opacity:1; transform:translateY(0);} }

/* Logo styling */
.nav-menu .logo {
    display: flex;
    align-items: flex-end; /* zarovnání s odkazy dolů */
    padding: 12px 20px 6px; /* menší spodní odsazení pro přesné dorovnání */
    position: relative;
    user-select: none;
    cursor: default; /* není klikací */
    margin-left: auto; /* odsun logo doprava */
    order: 2; /* zobrazit až po seznamu odkazů */
}

.nav-menu .logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: multiply; /* návrat stylovaného loga */
    background-color: var(--secondary-color);
    padding: 6px 10px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

/* Uprava velikosti loga pro mobily (příliš široké na malých displejích) */
@media (max-width: 600px) {
    .nav-menu .logo img {
        height: 52px; /* menší výška */
        padding: 4px 8px; /* menší padding -> menší šířka bloku */
    }
}

/* Navigační seznam odkazů */
.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0 0 6px; /* posun na spodní hranu */
    flex-wrap: wrap; /* zabraň přeplnění na menších šířkách */
}

/* Odkazy viditelné i bez hoveru */
.nav-menu a {
    color: #fff;
    text-decoration: none;
    padding: 0.55rem 1.05rem;
    border-radius: 5px;
    transition: background .3s ease, color .3s ease;
    position: relative;
    overflow: hidden;
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: .4px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* Aktivní / hover stav pro zvýraznění, ale ne nutný pro zobrazení */
.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--secondary-color);
    box-shadow: 0 2px 4px rgba(21, 128, 61, 0.2);
}


/* Podtržení animace */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: white;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 80%;
}

/* Přepis container stylů pro navigaci: průhledné pozadí aby odkazy byly viditelné na gradientu headeru */
nav.container.nav-menu {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    padding: 0 20px; /* užší padding než obecný .container */
    width: 100%;
}

/* Hero sekce */
.hero {
    position: relative;
    min-height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem 3rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(22,101,52,0.85), rgba(21,128,61,0.65));
    mix-blend-mode: multiply;
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    width: 100%;
    text-align: center;
    color: #fff;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    margin: 0 0 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin: 0 0 2rem;
    font-weight: 300;
    letter-spacing: .5px;
}

.latest-news .news-feed article {
    background: var(--light-bg);
    padding: 1.2rem 1.4rem;
    border-left: 4px solid var(--secondary-color);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

/* Gallery enhancements */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.2rem;
}

.gallery-placeholder {
    grid-column: 1 / -1;
    background: var(--light-bg);
    border: 2px dashed var(--secondary-color);
    padding: 2rem;
    text-align: center;
    border-radius: 12px;
    font-style: italic;
    color: var(--secondary-color);
}

.gallery-item-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    background: #fff;
}

.gallery-item-wrap img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .5s ease;
}

.gallery-item-wrap:hover img { transform: scale(1.08); }

.gallery-caption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    color: #fff;
    padding: .6rem .8rem .8rem;
    font-size: .85rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all .35s ease;
}

.gallery-item-wrap:hover .gallery-caption { opacity: 1; transform: translateY(0); }

/* Tým sekce drobné vylepšení */
.team-section .team-member {
    position: relative;
}

.team-section .team-member::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    pointer-events: none;
    background: linear-gradient(120deg, rgba(34,197,94,0.15), rgba(21,128,61,0.05));
    opacity: 0;
    transition: opacity .4s ease;
}

.team-section .team-member:hover::after { opacity: 1; }

/* Carousel styles */
.carousel {
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
    background: var(--light-bg);
    border-radius: 16px;
    padding: 1.2rem 2.5rem 2.8rem;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}


.carousel-track {
    display: flex;
    transition: transform .6s ease;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(.92);
    transition: opacity .6s ease, transform .6s ease;
}

.carousel-slide.active { opacity: 1; transform: scale(1); }

.carousel-slide img { max-height: 220px; width: auto; object-fit: contain; }

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient);
    color: #fff;
    border: none;
    width: 42px; height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.25);
    transition: background .3s ease, transform .2s ease;
}

.carousel-btn:hover { transform: translateY(-50%) scale(1.07); }
.carousel-btn:active { transform: translateY(-50%) scale(.95); }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-dots {
    position: absolute;
    left: 0; right: 0; bottom: 1rem;
    display: flex;
    justify-content: center;
    gap: .6rem;
}

.carousel-dots button {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: 2px solid var(--secondary-color);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background .3s ease, transform .2s ease;
}

.carousel-dots button.active { background: var(--secondary-color); transform: scale(1.2); }

/* Events / Akce grid */
.events-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 2rem;
        margin-top: 1rem;
}

.event-card {
        background: var(--light-bg);
        border: 1px solid rgba(22,101,52,0.15);
        border-radius: 14px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        position: relative;
        box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        transition: transform .35s ease, box-shadow .35s ease;
}

.event-card:hover { transform: translateY(-6px); box-shadow: 0 8px 22px rgba(0,0,0,0.12); }

.event-image { aspect-ratio: 16/9; background: #fff; display: flex; align-items: center; justify-content: center; position: relative; }
.event-image img { width: 100%; height: 100%; object-fit: cover; }

.event-content { padding: 1.1rem 1.2rem 1.4rem; display: flex; flex-direction: column; gap: .6rem; }
.event-content h3 { margin: 0; color: var(--primary-color); font-size: 1.35rem; }
.event-meta { font-size: .75rem; letter-spacing: .5px; text-transform: uppercase; color: var(--secondary-color); margin: 0; }
.event-desc { font-size: .9rem; line-height: 1.4; margin: 0; }

.event-content .btn-outline { align-self: flex-start; margin-top: .4rem; }

@media (max-width: 640px) {
    .event-card { border-radius: 10px; }
    .event-content { padding: .9rem 1rem 1.1rem; }
    .event-content h3 { font-size: 1.15rem; }
}

/* Responsivní hero úpravy */
@media (max-width: 768px) {
    .hero { min-height: 40vh; padding: 3rem 1rem 2rem; }
    .hero-title { font-size: 2.4rem; }
    .hero-subtitle { font-size: 1rem; }
}

/* Main content sections */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

/* About section */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

/* Team section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.team-member {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid transparent;
}

/* Animace zobrazení členů týmu */
.team-member.pre-animate { opacity: 0; transform: translateY(25px) scale(.98); }
.team-member.visible { opacity: 1; transform: translateY(0) scale(1); transition: opacity .6s ease, transform .6s ease; }

/* Animace zobrazení sponzorů */
.sponsor-card.pre-animate { opacity: 0; transform: translateY(25px) scale(.98); }
.sponsor-card.visible { opacity: 1; transform: translateY(0) scale(1); transition: opacity .7s ease, transform .7s ease; }

.team-member:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(21, 128, 61, 0.1);
}

.member-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.team-member h3 {
    margin: 0.5rem 0;
    color: var(--primary-color);
}

.team-member p {
    margin: 0.5rem 0;
    color: var(--secondary-color);
}

.discipline-tags {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.tag {
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.legend {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 8px;
}

.legend h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Club info section (about page) */
.club-info {
    margin-top: 3rem;
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.club-info h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 1.8rem;
    text-align: center;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    background: #fff;
    padding: 1.5rem 1.5rem 1.2rem;
    border-radius: 10px;
    border: 1px solid rgba(22,101,52,0.15);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: var(--gradient);
}

.info-card h4 {
    margin-top: 0;
    color: var(--secondary-color);
    font-size: 1.2rem;
    letter-spacing: .5px;
}

.board-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .6rem;
    font-size: .95rem;
}

.board-list li {
    background: var(--light-bg);
    padding: .6rem .8rem;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}

.email-line {
    display: flex;
    align-items: center;
    gap: .4rem;
    margin-top: .3rem;
    font-size: .85rem;
}

.email-icon {
    display: inline-flex;
    width: 20px;
    height: 20px;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    font-size: .75rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.email-line a {
    color: var(--secondary-color);
    text-decoration: none;
    position: relative;
}

.email-line a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 2px;
    background: var(--secondary-color);
    transition: width .3s ease;
}

.email-line a:hover::after { width: 100%; }

.board-list li strong {
    color: var(--primary-color);
}

.board-list .contact {
    font-size: .8rem;
    color: #555;
}

address {
    font-style: normal;
    line-height: 1.5;
}

address p {
    margin: .4rem 0;
}

address a {
    color: var(--secondary-color);
    text-decoration: none;
    position: relative;
}

address a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 2px;
    background: var(--secondary-color);
    transition: width .3s ease;
}

address a:hover::after { width: 100%; }

/* Bylaws (Stanovy) section */
.bylaws {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid rgba(22,101,52,0.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.bylaws h3 {
    text-align: center;
    margin-top: 0;
    font-size: 2rem;
    color: var(--primary-color);
}

.bylaws-section + .bylaws-section {
    margin-top: 2rem;
}

.bylaws-section h4 {
    margin: 0 0 .6rem;
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.bylaws-section h5 {
    margin: 1rem 0 .4rem;
    font-size: 1.05rem;
    color: var(--primary-color);
}

.bylaws-section p { line-height: 1.5; }

.alpha-list {
    list-style: none;
    margin: .6rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .4rem;
}

.alpha-list li {
    background: var(--light-bg);
    padding: .5rem .7rem .5rem 2.2rem;
    border-radius: 6px;
    position: relative;
}

.alpha-list li span {
    position: absolute;
    left: .8rem;
    top: .5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.bylaws .date {
    font-style: italic;
    text-align: right;
    margin-top: 1rem;
    color: #555;
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.gallery-item {
    aspect-ratio: 1;
    object-fit: cover;
    width: 100%;
}

/* Sponsors */
.sponsors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}
.sponsors-grid {
    display: grid;
    gap: 2rem;
    padding: 1rem;
    grid-template-columns: repeat(4, 1fr); /* desktop: 4 columns (12 items -> 3 rows) */
    align-items: stretch;
}
/* Breakpoints: 3 columns mid-large, 2 columns tablet, 1 column mobile */
@media (max-width: 1200px){ .sponsors-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px){ .sponsors-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px){ .sponsors-grid { grid-template-columns: 1fr; } }
/* Limit overall width so very wide screens do not overly stretch card content */
.sponsors-section .container { max-width: 1200px; }

/* Sponsor card align to team-member look */
.sponsor-card {
    background: var(--light-bg);
    padding: 1.5rem 1.2rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.25s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid transparent;
    max-width: 100%;
}
.sponsor-card:hover { transform: translateY(-5px); border-color: var(--secondary-color); box-shadow:0 4px 12px rgba(21,128,61,0.1); }
.sponsor-logo { width:160px; height:100px; display:flex; align-items:center; justify-content:center; margin:0 0 1rem; }
.sponsor-logo img { max-width:100%; max-height:100%; object-fit:contain; }

.sponsor-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid transparent;
    position: relative;
}

.sponsor-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(21, 128, 61, 0.1);
}

.sponsor-logo {
    width: 200px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sponsor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sponsor-card h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.2rem;
    text-align: center;
}

.sponsor-card p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    text-align: center;
}

.sponsor-contact {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #666;
    text-align: center;
}

.sponsor-contact p {
    margin: 0.2rem 0;
}

.sponsor-contact a {
    color: var(--primary-color);
    text-decoration: none;
    display: inline-block;
    position: relative;
    z-index: 1;
}

.sponsor-contact a:hover {
    text-decoration: underline;
}

.sponsor-card {
    position: relative;
}

.sponsor-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

/* Footer */
footer {
    background-color: var(--light-bg);
    padding: 2rem 0;
    margin-top: 2rem;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-menu { align-items: center; }
    .nav-menu .logo { width: auto; padding: 4px 0 0; order: 2; }
    .nav-menu ul { flex-direction: row; justify-content: center; gap: .6rem .9rem; padding-bottom: 0; }
    .nav-menu a { padding: .45rem .65rem; font-size: .8rem; letter-spacing:.3px; }
    
    .section {
        padding: 2rem 0;
    }
}