/* Shared UI component styles */
.app-header,
.app-footer {
    background: #ffffff;
    box-shadow: 0 2px 14px rgba(15, 23, 42, 0.08);
}
.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #1f2937;
    font-size: 1.2rem;
}
.nav-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    color: #4b5563;
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}
.nav-link:hover,
.nav-link.active {
    background: rgba(76, 109, 219, 0.12);
    color: #1d4ed8;
}
.eyebrow {
    margin: 0 0 1rem;
    color: #1d4ed8;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-size: 0.75rem;
}
.hero-copy h1,
.hero-copy h2 {
    margin: 0;
}
.hero-copy h1 {
    font-size: clamp(2.25rem, 4vw, 3.75rem);
    line-height: 1.03;
}
.hero-copy p {
    color: #475467;
    margin: 1.25rem 0 0;
    max-width: 42rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0 1.35rem;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.01em;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button:hover {
    transform: translateY(-1px);
}
.button-primary {
    color: #ffffff;
    background: #3b82f6;
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.18);
}
.button-secondary {
    color: #1d4ed8;
    background: rgba(59, 130, 246, 0.08);
}
.app-footer {
    padding: 1.5rem 0;
    color: #6b7280;
}
.feature-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}
@media (min-width: 720px) {
    .feature-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
.feature-card h3 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
}
.feature-card p {
    margin: 0;
    color: #5b6770;
}
.footer-copy {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}