/* ============================================================
   menudigitalegratuito.it - Style v1.5.2
   Colors: #537b83 (primary), #fff, #222
   Fonts: Poppins (headings), Roboto (body)
   ============================================================ */

:root {
    --c-primary: #537b83;
    --c-primary-dark: #3e5f66;
    --c-primary-light: #6a9aa3;
    --c-primary-rgb: 83, 123, 131;
    --c-accent: #537b83;
    --c-dark: #222;
    --c-dark-bg: #1a1a2e;
    --c-dark-card: #252540;
    --c-white: #fff;
    --c-gray-100: #f8f9fa;
    --c-gray-200: #e9ecef;
    --c-gray-600: #6c757d;
    --c-text: #333;
    --c-text-light: rgba(255,255,255,.75);
    --ff-heading: 'Poppins', 'Poppins Fallback', sans-serif;
    --ff-body: 'Roboto', 'Roboto Fallback', sans-serif;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--ff-body);
    color: var(--c-text);
    background: var(--c-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 {
    font-family: var(--ff-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--c-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--c-primary-dark); }

.text-accent { color: var(--c-primary); }
.text-white-75 { color: var(--c-text-light) !important; }

/* ============================================================
   NAVBAR
   ============================================================ */
#mainNav {
    padding: .8rem 0;
    background: rgba(26,26,46,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition), padding var(--transition);
    z-index: 1050;
}
#mainNav.scrolled {
    padding: .5rem 0;
    background: rgba(26,26,46,.98);
    box-shadow: var(--shadow-md);
}
#mainNav .navbar-brand {
    font-family: var(--ff-heading);
    font-size: 1.15rem;
    letter-spacing: -.02em;
}
#mainNav .nav-link {
    color: rgba(255,255,255,.8);
    font-weight: 400;
    font-size: .9rem;
    padding: .5rem .75rem;
    transition: color var(--transition);
}
#mainNav .nav-link:hover,
#mainNav .nav-link.active { color: #fff; }

.btn-cta {
    background: var(--c-primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-family: var(--ff-heading);
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: .01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-cta:hover {
    background: var(--c-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--c-primary-rgb),.35);
}
.btn-outline-primary {
    color: var(--c-primary);
    border-color: var(--c-primary);
    border-radius: 50px;
    font-family: var(--ff-heading);
    font-weight: 600;
}
.btn-outline-primary:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}
.btn-outline-light {
    border-radius: 50px;
    font-family: var(--ff-heading);
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: .01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
    min-height: 100vh;
    min-height: 100dvh;
    background: linear-gradient(135deg, var(--c-dark-bg) 0%, #16213e 50%, var(--c-primary-dark) 100%);
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(var(--c-primary-rgb),.15) 0%, transparent 70%);
    pointer-events: none;
}
.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: .75rem;
    letter-spacing: -.03em;
}
.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--c-text-light);
    max-width: 540px;
    line-height: 1.8;
}
@media (max-width: 991px) {
    .hero-subtitle { margin-left: auto; margin-right: auto; }
}
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    justify-content: center;
}
@media (min-width: 992px) {
    .hero-badges { justify-content: flex-start; }
}
.badge-item {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .35rem .75rem;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50px;
    color: rgba(255,255,255,.85);
    font-size: .8rem;
    font-weight: 400;
    backdrop-filter: blur(4px);
}
.badge-item i { color: var(--c-primary-light); font-size: .85rem; }

/* Powered by */
.powered-by {
    display: flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
    margin-top: 1.5rem;
    color: rgba(255,255,255,.55);
    font-size: .82rem;
}
@media (min-width: 992px) {
    .powered-by { justify-content: flex-start; }
}
.powered-by img {
    height: 22px;
    width: auto;
    opacity: .7;
    transition: opacity var(--transition);
}
.powered-by a:hover img { opacity: 1; }

/* Footer logo */
.footer-logo {
    height: 28px;
    width: auto;
    margin-bottom: .75rem;
}

/* Phone Mockup */
.hero-visual { position: relative; }
.phone-mockup {
    width: 240px;
    height: 480px;
    background: #1e1e3a;
    border-radius: 32px;
    border: 3px solid rgba(255,255,255,.15);
    padding: 16px;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(var(--c-primary-rgb),.2);
    animation: float 6s ease-in-out infinite;
}
.phone-screen {
    background: #fff;
    border-radius: 20px;
    height: 100%;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mock-header {
    height: 24px;
    background: var(--c-primary);
    border-radius: 6px;
    opacity: .8;
}
.mock-item {
    height: 16px;
    background: var(--c-gray-200);
    border-radius: 4px;
}
.mock-item.short { width: 65%; }
.mock-qr {
    margin-top: auto;
    text-align: center;
    color: var(--c-primary);
}

@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ============================================================
   CONTENT-VISIBILITY (below-fold rendering optimization)
   ============================================================ */
.section-light,
.section-dark,
.section-accent,
.section-cta,
.main-footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}

/* ============================================================
   SOCIAL PROOF BAR
   ============================================================ */
.social-proof-bar {
    background: var(--c-primary);
    padding: 1.5rem 0;
    color: #fff;
}
.proof-number {
    font-family: var(--ff-heading);
    font-weight: 800;
    font-size: 1.8rem;
    line-height: 1.2;
}
.proof-number small { font-weight: 400; font-size: .65em; }
.proof-label {
    font-size: .8rem;
    opacity: .85;
    margin-top: 2px;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section-light {
    padding: 80px 0;
    background: var(--c-white);
}
.section-dark {
    padding: 80px 0;
    background: var(--c-dark-bg);
}
.section-accent {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
}
.section-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: .5rem;
}
.section-subtitle {
    font-size: 1.05rem;
    color: var(--c-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   DEMO CARDS
   ============================================================ */
.demo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    padding: 1.25rem 1rem;
    background: var(--c-white);
    border: 1px solid var(--c-gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--c-text);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    height: 100%;
}
.demo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--c-primary);
    color: var(--c-primary);
}
.demo-card-img {
    width: auto;
    height: 400px;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
    transition: transform var(--transition);
}
.demo-card:hover .demo-card-img {
    transform: scale(1.05);
}
.demo-card-label {
    font-family: var(--ff-heading);
    font-size: .88rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
}

/* ============================================================
   DEFINITION
   ============================================================ */
.definition-box {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 2rem;
    margin-top: 1.5rem;
}
.definition-text {
    color: rgba(255,255,255,.88);
    font-size: 1.05rem;
    line-height: 1.9;
}
.definition-text a { color: var(--c-primary-light); }
.definition-text a:hover { color: #fff; }

/* ============================================================
   STEP CARDS (Come Funziona)
   ============================================================ */
.step-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--c-white);
    border: 1px solid var(--c-gray-200);
    border-radius: var(--radius);
    height: 100%;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    font-family: var(--ff-heading);
    font-weight: 700;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.step-icon {
    font-size: 2.2rem;
    color: var(--c-primary);
    margin-bottom: .75rem;
}
.step-title {
    font-size: 1.1rem;
    margin-bottom: .5rem;
}
.step-desc {
    font-size: .92rem;
    color: var(--c-gray-600);
    margin: 0;
}

/* ============================================================
   BENEFIT CARDS (Vantaggi)
   ============================================================ */
.benefit-card {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius);
    padding: 1.75rem;
    height: 100%;
    transition: transform var(--transition), background var(--transition);
}
.benefit-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,.15);
}
.benefit-icon {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: .75rem;
}
.benefit-title {
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: .5rem;
}
.benefit-desc {
    font-size: .9rem;
    color: var(--c-text-light);
    margin: 0;
}
.benefit-desc a { color: #fff; text-decoration: underline; }

/* ============================================================
   FEATURE ITEMS (Caratteristiche)
   ============================================================ */
.feature-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1rem;
    background: var(--c-gray-100);
    border-radius: var(--radius-sm);
    height: 100%;
    transition: background var(--transition);
}
.feature-item:hover { background: var(--c-gray-200); }
.feature-item i {
    font-size: 1.25rem;
    color: var(--c-primary);
    flex-shrink: 0;
}
.feature-item span {
    font-size: .88rem;
    font-weight: 500;
    line-height: 1.3;
}

/* ============================================================
   PRICE CARDS
   ============================================================ */
.price-card {
    background: var(--c-dark-card);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition);
}
.price-card:hover { transform: translateY(-6px); }
.price-card.featured {
    border: 2px solid var(--c-primary);
    position: relative;
}
.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-primary);
    color: #fff;
    font-family: var(--ff-heading);
    font-size: .75rem;
    font-weight: 600;
    padding: .3rem 1rem;
    border-radius: 50px;
    white-space: nowrap;
}
.price-plan {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: .5rem;
}
.price-amount {
    font-family: var(--ff-heading);
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.price-amount small { font-size: .45em; font-weight: 400; }
.price-period {
    font-size: .85rem;
    color: var(--c-text-light);
    margin-bottom: 1.5rem;
}
.price-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex-grow: 1;
}
.price-features li {
    padding: .4rem 0;
    font-size: .88rem;
    color: rgba(255,255,255,.85);
    display: flex;
    align-items: flex-start;
    gap: .5rem;
}
.price-features li i {
    color: var(--c-primary-light);
    flex-shrink: 0;
    margin-top: 3px;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.accordion-item {
    border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-sm) !important;
    margin-bottom: .75rem;
    overflow: hidden;
}
.accordion-button {
    font-family: var(--ff-heading);
    font-weight: 600;
    font-size: .95rem;
    color: var(--c-text);
    padding: 1rem 1.25rem;
    background: var(--c-white);
}
.accordion-button:not(.collapsed) {
    background: rgba(var(--c-primary-rgb),.05);
    color: var(--c-primary);
    box-shadow: none;
}
.accordion-button:focus { box-shadow: none; border-color: var(--c-gray-200); }
.accordion-button::after { filter: none; }
.accordion-body {
    font-size: .92rem;
    line-height: 1.8;
    color: var(--c-gray-600);
    padding: .5rem 1.25rem 1.25rem;
}

/* ============================================================
   CTA FINALE
   ============================================================ */
.section-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--c-dark-bg) 0%, var(--c-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}
.section-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(var(--c-primary-rgb),.2) 0%, transparent 70%);
    pointer-events: none;
}
.cta-title {
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    position: relative;
}
.cta-subtitle {
    font-size: 1.1rem;
    color: var(--c-text-light);
    position: relative;
}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    background: var(--c-dark-bg);
    padding: 3rem 0 1.5rem;
    color: rgba(255,255,255,.7);
}
.footer-heading {
    font-size: 1rem;
    color: #fff;
    margin-bottom: 1rem;
}
.footer-text {
    font-size: .88rem;
    line-height: 1.7;
}
.footer-text a { color: var(--c-primary-light); }
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    padding: .25rem 0;
    font-size: .88rem;
}
.footer-links a { color: rgba(255,255,255,.7); }
.footer-links a:hover { color: #fff; }
.footer-divider {
    border-color: rgba(255,255,255,.1);
    margin: 2rem 0 1rem;
}
.footer-copy {
    font-size: .78rem;
    margin: 0;
    color: rgba(255,255,255,.5);
}
.footer-legal {
    font-size: .78rem;
    color: rgba(255,255,255,.5);
    margin-left: 1rem;
}
.footer-legal:hover { color: rgba(255,255,255,.8); }

/* ============================================================
   MOBILE TWEAKS
   ============================================================ */
@media (max-width: 767px) {
    .hero-section { padding: 100px 0 50px; min-height: auto; }
    .hero-title { font-size: 1.8rem; }
    .section-light, .section-dark, .section-accent, .section-cta { padding: 50px 0; }
    .proof-number { font-size: 1.4rem; }
    .price-card { padding: 1.5rem 1.25rem; }
    .step-card { padding: 1.5rem 1rem; }
}

@media (max-width: 575px) {
    .demo-card { padding: .85rem .5rem; }
    .demo-card-img { height: 200px; }
    .demo-card-label { font-size: .78rem; }
    .badge-item { font-size: .72rem; padding: .25rem .6rem; }
}

/* ============================================================
   ANIMATIONS (reduced motion safe)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .fade-in { opacity: 1; transform: none; }
    .phone-mockup { animation: none; }
}