/* Modern, Premium Reset and Base Styles */
:root {
    --primary-color: #000000;
    --primary-hover: #333333;
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --header-bg: rgba(255, 255, 255, 0.9);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles (Glassmorphism) */
.site-header {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-main);
}

.primary-logo, .text-logo {
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #000000;
}

/* Search Bar */
.search-bar {
    flex: 1;
    max-width: 500px;
    display: flex;
    align-items: center;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 5px 5px 5px 20px;
    transition: all 0.3s ease;
}

.search-bar:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 1rem;
    color: var(--text-main);
}

.search-bar button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.search-bar button:hover {
    background: var(--primary-hover);
}

/* Navigation */
.main-nav {
    display: flex;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
}

/* Profile Cards Grid */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.profile-card {
    text-decoration: none;
    color: inherit;
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-color);
}

/* Utilities */
@media (min-width: 769px) {
    .hide-on-desktop {
        display: none !important;
    }
}
@media (max-width: 768px) {
    .hide-on-mobile {
        display: none !important;
    }
    .header-content {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }
    .search-bar {
        display: none;
        width: 100%;
        max-width: 100%;
        margin-top: 15px;
        order: 3;
        animation: fadeIn 0.3s ease;
    }
    .search-bar.active {
        display: flex;
    }
    .logo-text {
        font-size: 1.8rem !important;
    }
    .sidebar-right {
        order: -1;
        flex: 1 1 100% !important;
        max-height: none !important;
        position: static !important;
        width: 100%;
        margin-bottom: 20px;
    }
    .main-content {
        flex: 1 1 100% !important;
    }
}

/* Marquee Animation */
.marquee-track {
    animation: scroll-marquee 25s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-track a:hover {
    background: rgba(255, 255, 255, 0.1);
}

@keyframes scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.33%); }
}

/* Hide scrollbar for Chrome, Safari and Opera */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Hide scrollbar for IE, Edge and Firefox */
.no-scrollbar {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

/* Responsive Biography Images */
.biography-content img { max-width: 100%; height: auto; object-fit: cover; border-radius: 8px; }