/* Navigation - Clean Dark Header */
.main-nav {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    -webkit-text-fill-color: initial;
}

.logo i {
    color: white;
}

.nav-items {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-items a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    position: relative;
}

.nav-items a:hover {
    color: white;
}

.nav-items a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.2s ease;
}

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

#user-name-display {
    font-weight: 600;
    color: white;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

#user-name-display:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #1e293b, #4f46e5);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInDown 0.8s ease-out;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* Filters Wrapper */
.filters-wrapper {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    backdrop-filter: blur(12px);
}

/* Listings Grid */
.listings-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 4rem;
    padding-left: 15px;
    padding-right: 15px;
}

/* Section Header */
.section-header {
    background: var(--card-glass);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin: 2.5rem 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.section-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: var(--primary-glow);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Site Footer */
.site-footer {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
    font-size: 0.95rem;
    font-weight: 500;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 10;
}

.footer-brand {
    font-weight: 800;
    background: linear-gradient(135deg, #00BFFF 0%, #1E90FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}