/* Shared header and footer styles for Prezzo Alert public pages */

:root {
    color-scheme: light;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(203, 213, 225, 0.55);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
}

.nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #111827;
    font-weight: 600;
    letter-spacing: 0.02em;
    font-size: 1.05rem;
}

.logo-badge {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, #ffa41c, #ffbe56);
    color: #131921;
    font-weight: 700;
    box-shadow: 0 12px 22px rgba(255, 163, 28, 0.35);
}

header nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2.4rem);
    margin: 0;
    padding: 0;
}

header nav a {
    position: relative;
    text-decoration: none;
    font-weight: 500;
    color: #425466;
    transition: color 0.2s ease;
}

header nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.4rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #ffa41c, #ffbe56);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

header nav a:hover {
    color: #ffa41c;
}

header nav a:hover::after {
    transform: scaleX(1);
}

.nav-cta {
    display: flex;
    gap: 0.85rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.2rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta .btn.btn-primary {
    background: linear-gradient(135deg, #ffa41c, #ffbe56);
    color: #1f2933;
    box-shadow: 0 12px 25px rgba(255, 163, 28, 0.25);
}

.nav-cta .btn.btn-primary:hover {
    transform: translateY(-1px);
}

.nav-cta-note {
    font-size: 0.85rem;
    color: #475569;
    text-align: right;
}

@media (max-width: 960px) {
    header {
        position: sticky;
    }

    .nav {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }

    header nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.25rem;
    }

    .nav-cta {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .nav-cta-note {
        text-align: center;
    }
}

@media (max-width: 640px) {
    header nav ul {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.75rem;
    }

    header nav a::after {
        display: none;
    }
}

footer {
    margin-top: clamp(3rem, 8vw, 5rem);
    padding: clamp(2rem, 5vw, 3.5rem) clamp(1.2rem, 4vw, 2.5rem);
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.85) 0%, rgba(241, 245, 249, 0.95) 100%);
    border-top: 1px solid rgba(203, 213, 225, 0.6);
    color: #64748b;
    font-size: 0.92rem;
    text-align: center;
}

footer a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #ffa41c;
}

footer .footer-meta {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: #94a3b8;
}