/* PALETTE PASTELLO NEXTCLOUD E VARIABILI DI BASE */
:root {
    --nc-blue: #0082c9;
    --nc-blue-light: #e0f2fe;
    --nc-blue-hover: #006ea1;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --green-pastello: #bbf7d0;
    --green-dark: #166534;
    --yellow-quarantena: #fef08a;
    --yellow-text: #854d0e;
    --border-color: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
}

/* HEADER & NAVBAR */
header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--nc-blue);
}

.logo-icon {
    width: 28px;
    height: 28px;
    fill: var(--nc-blue);
}

.badge-version {
    background-color: var(--nc-blue-light);
    color: var(--nc-blue);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
}

/* HERO SECTION */
.hero {
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, var(--nc-blue-light) 0%, var(--bg-white) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero h1 span {
    color: var(--nc-blue);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* SEZIONE COMPLIANCE NIS2 DEDICATA */
.compliance-section {
    background-color: var(--bg-light);
    padding: 5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.compliance-container {
    max-width: 1140px;
    margin: 0 auto;
    text-align: center;
}

.compliance-container h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.compliance-lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem auto;
}

.grid-compliance {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: left;
}

.compliance-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.compliance-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--nc-blue);
}

.compliance-card p {
    color: var(--text-muted);
    font-size: 0.98rem;
}

/* BOTTONI */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--nc-blue);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--nc-blue-hover);
}

.btn-success {
    background-color: var(--green-pastello);
    color: var(--green-dark);
}

.btn-success:hover {
    filter: brightness(0.96);
}

/* STRUTTURA DELLE FUNZIONALITÀ */
.section-features {
    max-width: 1140px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 6rem;
}

.feature-row:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-text h2 {
    font-size: 2rem;
    margin-bottom: 1.2rem;
}

.feature-text p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.badge-container {
    margin-bottom: 1.2rem;
}

.software-badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 6px;
    margin-right: 0.5rem;
}

.badge-dhcp { background-color: var(--nc-blue-light); color: var(--nc-blue); }
.badge-fisso { background-color: #e2e8f0; color: #475569; }
.badge-quarantena { background-color: var(--yellow-quarantena); color: var(--yellow-text); }

/* CONTENITORI IMMAGINI SOFTWARE */
.feature-image-container {
    flex: 1;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.6rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.screenshot-placeholder {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    background-color: #ffffff;
}

/* ARCHITETTURA INTERNA */
.architecture-section {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 5rem 2rem;
}

.architecture-container {
    max-width: 1140px;
    margin: 0 auto;
    text-align: center;
}

.architecture-container h2 {
    font-size: 2.2rem;
    margin-bottom: 3.5rem;
}

.grid-tech {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    text-align: left;
}

.tech-card {
    background-color: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.tech-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* FOOTER & FORM CONTATTI */
footer {
    padding: 6rem 2rem 2rem 2rem;
    text-align: center;
    max-width: 580px;
    margin: 0 auto;
}

footer h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

footer p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.form-container {
    background-color: var(--bg-light);
    padding: 2.5rem 2rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

textarea.form-control {
    resize: vertical;
}

.form-control:focus {
    outline: none;
    border-color: var(--nc-blue);
    box-shadow: 0 0 0 4px rgba(0, 130, 201, 0.12);
}

footer .btn {
    width: 100%;
    padding: 0.9rem;
}

.copyright {
    margin-top: 5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* DISPOSITIVI MOBILE */
@media (max-width: 768px) {
    .feature-row, .feature-row:nth-child(even) {
        flex-direction: column;
        gap: 2rem;
        margin-bottom: 4rem;
    }
    .hero h1 { font-size: 2.2rem; }
    .compliance-container h2, .architecture-container h2 { font-size: 1.8rem; }
    .grid-compliance { grid-template-columns: 1fr; }
}