/* ===== CSS Variables ===== */
:root {
    --primary-color: #1d1d1b;
    --secondary-color: #333333;
    --accent-color: #ffffff;
    --dark-color: #000000;
    --light-color: #f5f5f5;
    --text-color: #1d1d1b;
    --text-light: #666;
    --gray: #808080;
    --snow-white: #ffffff;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --transition: all 0.3s ease;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.2);

    --border-radius: 8px;
    --border-radius-lg: 12px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: url(/assets/images/bg.webp);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
}
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }

p {
    margin-bottom: 1rem;
}

hr {
    margin: 1.5rem 0;
    border: none;
    border-top: 1px solid var(--light-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ===== Header & Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

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

.logo-text {
    display: none;
}

@media (min-width: 768px) {
    .logo-text {
        display: inline;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--dark-color);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
    display: inline-block;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 200px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    list-style: none;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 1001;
}

/* Trojúhelníková šipka nahoře */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
}

.dropdown-menu::after {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 7px solid rgba(0, 0, 0, 0.08);
    z-index: -1;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.7rem 1.2rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: background 0.15s ease, color 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        display: none;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        text-align: center;
    }

    .nav-link {
        display: block;
        padding: 1rem;
    }

    .dropdown-toggle {
        justify-content: center;
    }

    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-color);
        display: none;
        border: none;
        border-radius: 0;
        min-width: 100%;
        margin-top: 0.5rem;
    }

    .nav-dropdown .dropdown-menu::before,
    .nav-dropdown .dropdown-menu::after {
        display: none;
    }

    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 0.8rem 2rem;
    }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    background: var(--primary-color);
    color: var(--snow-white);
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--snow-white);
    color: var(--dark-color);
    border-color: var(--snow-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ===== Content Sections ===== */
.main-content {
    margin-top: 80px;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background-color: rgb(245 245 245 / 90%);
}


/* Section Styling */
section {
    margin-bottom: 4rem;
}

section h2 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--dark-color);
    padding-bottom: 0.75rem;
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.card {
    background: var(--snow-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 0, 0, 0.2);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

/* ===== Calendar ===== */
.calendar-wrapper {
    margin-top: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.calendar-wrapper iframe {
    display: block;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 1.5rem 2rem;
    text-align: center;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }

    .cards {
        grid-template-columns: 1fr;
    }
}

/* ===== Climbing-specific decorative elements ===== */
.rope-divider {
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--primary-color),
        var(--primary-color) 10px,
        var(--accent-color) 10px,
        var(--accent-color) 20px
    );
    margin: 3rem 0;
}

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

.event-card {
    background: var(--snow-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 0, 0, 0.2);
}

.event-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    display: block;
    background-color: var(--light-color);
}

.event-image.fallback-image {
    object-fit: contain;
    padding: 1.5rem;
}

.event-content {
    padding: 1.5rem;
}

.event-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.event-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.event-icon {
    flex-shrink: 0;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .event-grid {
        grid-template-columns: 1fr;
    }
}

/* Event card links */
.event-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.event-card-link:hover .event-card {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Page header with pagination */
.page-header-with-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header-with-pagination h1 {
    margin: 0;
}

.page-header-with-pagination .pagination {
    margin: 0;
}

/* Pagination */
.pagination {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.pagination-container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-btn,
.pagination-number {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    background: var(--snow-white);
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover,
.pagination-number:hover {
    background: var(--primary-color);
    color: var(--snow-white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.pagination-number.active {
    background: var(--primary-color);
    color: var(--snow-white);
    border-color: var(--primary-color);
}

.pagination-dots {
    padding: 0 0.25rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .pagination-container {
        gap: 0.5rem;
    }

    .pagination-btn,
    .pagination-number {
        padding: 0.4rem 0.75rem;
        font-size: 0.9rem;
    }
}

/* Article content (event detail) */
.article-content {
    margin-top: 80px;
    background-color: rgb(245 245 245 / 90%);
    padding: 3rem 0;
}

.article {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0px 1px 3px 0px #dee1e3;
    padding: 40px 30px 20px;
    border-radius: var(--border-radius);
}

.article-featured-image {
    width: calc(100% + 60px);
    height: 400px;
    object-fit: cover;
    object-position: center;
    display: block;
    background-color: var(--light-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin: -40px -30px 2rem -30px;
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.article-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.article-icon {
    flex-shrink: 0;
    opacity: 0.7;
}

.article-date {
    margin: 0;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.article-body p {
    margin-bottom: 1rem;
}

.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .article-content {
        padding: 2rem 1rem;
    }

    .article {
        padding: 30px 20px 15px;
    }

    .article-featured-image {
        width: calc(100% + 40px);
        height: 250px;
        margin: -30px -20px 1.5rem -20px;
    }

    .article-title {
        font-size: 1.75rem;
    }
}