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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    transition: var(--transition-smooth);
    line-height: 1.5;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.app-header {
    background: var(--bg-surface);
    backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--bg-surface-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
}

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.search-container {
    flex: 0 1 400px;
    position: relative;
}

#global-search {
    width: 100%;
    padding: 0.6rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--bg-surface-border);
    border-radius: 8px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-smooth);
}

#global-search:focus {
    border-color: var(--accent-glow);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.hero-section {
    text-align: center;
    padding: 5rem 2rem 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 400;
}

@media (max-width: 768px) {
    .hero-section h1 { font-size: 2.25rem; }
    .header-container { flex-direction: column; gap: 1rem; }
    .search-container { width: 100%; }
}