/* Universal Responsive Design - Core CSS */
:root {
    --mobile-breakpoint: 768px;
    --tablet-breakpoint: 1024px;
    --responsive-mode: desktop;
    --nav-bg: #1a1a1a;
    --nav-text: #ffffff;
    --nav-hover: #3a3a3a;
}

/* Base responsive styles */
body {
    overflow-x: hidden;
}

.ur-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Fluid grid */
.ur-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* Responsive typography */
html {
    font-size: 100%;
}

@media (max-width: 1024px) {
    html {
        font-size: 95%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 90%;
    }
}

/* Responsive tables */
.ur-responsive-table {
    overflow-x: auto;
    margin: 1em 0;
    display: block;
}

.ur-responsive-table table {
    width: 100%;
    min-width: 600px;
}

/* Responsive iframes/embeds */
.ur-responsive-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.ur-responsive-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Responsive images */
.ur-responsive-image {
    display: block;
    max-width: 100%;
    height: auto;
}

.ur-responsive-image img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========== CARD SYSTEM ========== */
.ur-card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.ur-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 0;
    box-sizing: border-box;
    flex: 0 0 calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
}

/* Mobile-first card styles */
@media (max-width: 767px) {
    .ur-card {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        margin-bottom: 20px;
    }
}

/* Tablet styles */
@media (min-width: 768px) and (max-width: 1023px) {
    .ur-card {
        flex: 0 0 calc(50% - 20px) !important;
        max-width: calc(50% - 20px) !important;
    }
}

/* Card content */
.ur-card .member-bio,
.ur-card .value-content {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Card hover effects */
@media (hover: hover) {
    .ur-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    }
}

/* Mobile navigation */
#ur-mobile-nav {
    display: none;
    z-index: 1000;
}

.ur-menu-toggle {
    background: var(--nav-bg);
    color: var(--nav-text);
    border: none;
    padding: 12px 15px;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
    position: fixed;
}

.ur-nav-menu {
    position: fixed;
    background: var(--nav-bg);
    color: var(--nav-text);
    z-index: 1000;
    overflow-y: auto;
    transition: all 0.3s ease;
}

/* Navigation positions */
.ur-nav-bottom .ur-menu-toggle {
    bottom: 10px;
    right: 10px;
}

.ur-nav-bottom .ur-nav-menu {
    bottom: 0;
    left: 0;
    right: 0;
    height: 70vh;
    transform: translateY(100%);
}

.ur-nav-top .ur-menu-toggle {
    top: 10px;
    right: 10px;
}

.ur-nav-top .ur-nav-menu {
    top: 0;
    left: 0;
    right: 0;
    height: 70vh;
    transform: translateY(-100%);
}

.ur-nav-left .ur-menu-toggle {
    top: 10px;
    left: 10px;
}

.ur-nav-left .ur-nav-menu {
    top: 0;
    left: 0;
    bottom: 0;
    width: 80vw;
    max-width: 320px;
    transform: translateX(-100%);
}

.ur-nav-right .ur-menu-toggle {
    top: 10px;
    right: 10px;
}

.ur-nav-right .ur-nav-menu {
    top: 0;
    right: 0;
    bottom: 0;
    width: 80vw;
    max-width: 320px;
    transform: translateX(100%);
}

/* Navigation active states */
.ur-nav-slide.ur-active .ur-nav-menu {
    transform: translate(0, 0);
}

.ur-nav-overlay .ur-nav-menu {
    background: rgba(0,0,0,0.9);
}

.ur-nav-dropdown .ur-nav-menu {
    max-height: 0;
    overflow: hidden;
}

.ur-nav-dropdown.ur-active .ur-nav-menu {
    max-height: 70vh;
}

/* Menu styling */
.ur-nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ur-nav-menu li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.ur-nav-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--nav-text);
    text-decoration: none;
}

.ur-nav-menu a:hover {
    background: var(--nav-hover);
}

/* Mobile view */
@media (max-width: 767px) {
    .desktop-menu {
        display: none !important;
    }
    
    #ur-mobile-nav {
        display: block;
    }
}

/* Tablet view */
@media (min-width: 768px) and (max-width: 1024px) {
    .ur-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop view */
@media (min-width: 1025px) {
    .desktop-menu {
        display: block;
    }
    
    #ur-mobile-nav {
        display: none;
    }
}

/* Responsive forms */
input, textarea, select {
    max-width: 100%;
    box-sizing: border-box;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

@media (max-width: 767px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}