:root {
    --color-primary: #005aa9;
    --color-secondary: #00a390;
    --color-dark: #1f2933;
    --color-muted: #6b7280;
    --color-bg: #f5f7fb;
    --color-white: #ffffff;
    --color-background: #f8fefe;
    --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.12);
    --radius-lg: 16px;
    --radius-xl: 24px;
    --container-max: 1120px;
    --transition-fast: 0.2s ease-out;
}

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

html {
    /*background-color: #f8fefe;*/
    background: radial-gradient(
        circle at top left,
        var(--color-background) 0%,
        var(--color-background) 45%,
        var(--color-background) 100%
    );
}

body {
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background: url("../img/background.png") no-repeat center center fixed;
    background-size: 100% auto;
    -webkit-background-size: 100% auto;
    -moz-background-size: 100% auto;
    -o-background-size: 100% auto;
    color: var(--color-dark);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: linear-gradient(
        to bottom,
        rgba(249, 250, 251, 0.96),
        rgba(249, 250, 251, 0.8)
    );
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--color-primary);
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: conic-gradient(from 160deg, #00a390, #005aa9, #38bdf8, #00a390);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.85rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.95rem;
    margin-right: 50px;
}

.nav-links a {
    color: var(--color-muted);
    position: relative;
    padding-bottom: 2px;
    min-width: fit-content;
}

.nav-links a:hover {
    color: var(--color-dark);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(
        to right,
        var(--color-primary),
        var(--color-secondary)
    );
    transition: width var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-left: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.55rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast),
        color var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #005aa9, #00a390);
    color: white;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.32);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid rgba(148, 163, 184, 0.8);
    backdrop-filter: blur(12px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.85);
}

.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    font-size: 1.4rem;
    cursor: pointer;
}

main {
    flex: 1;
}

section {
    padding: 4.5rem 0;
}

@media (min-width: 960px) {
    section {
        padding: 5.5rem 0;
    }
}

/* HERO */
.hero {
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.7fr);
    gap: 3rem;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.pill {
    padding: 0.2rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(59, 130, 246, 0.22);
    background: rgba(239, 246, 255, 0.85);
}

.hero-title {
    font-size: clamp(2.3rem, 3.1vw, 2.9rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1rem;
    max-width: 36rem;
    color: var(--color-muted);
    margin-bottom: 1.6rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--color-secondary);
}

.hero-card {
    background: radial-gradient(
        circle at top,
        #e0f2fe 0,
        #ffffff 55%,
        #e5f9f5 100%
    );
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: 1.6rem 1.6rem 1.3rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
    position: relative;
    overflow: hidden;
}

.hero-badge {
    position: absolute;
    top: 1.4rem;
    right: 1.4rem;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.09);
    color: #047857;
    font-size: 0.75rem;
    font-weight: 600;
}

.hero-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.hero-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.1rem;
    font-size: 0.85rem;
}

.hero-chip {
    padding: 0.6rem 0.7rem;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid rgba(148, 163, 184, 0.35);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.hero-chip-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-muted);
}

.hero-chip-value {
    font-weight: 600;
    color: var(--color-dark);
}

.hero-flow {
    margin-top: 0.2rem;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(148, 163, 184, 0.6);
    font-size: 0.8rem;
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.step-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.step-pill span {
    font-size: 0.75rem;
    font-weight: 500;
}

.step-pill small {
    font-size: 0.7rem;
    color: var(--color-muted);
}

/* SEZIONI GENERICHE */
.section-header {
    max-width: 640px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.section-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.section-title {
    font-size: 1.7rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.6rem;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--color-muted);
}

.grid-5 {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.card-text {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.pill-label {
    display: inline-flex;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: rgba(239, 246, 255, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.22);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

ul {
    list-style: none;
}

.list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.list li {
    display: flex;
    gap: 0.45rem;
    align-items: flex-start;
}

.list-bullet {
    margin-top: 0.4rem;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--color-secondary);
    flex-shrink: 0;
}

/* STAKEHOLDER GRID */
.stakeholder-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.3rem;
}

.stake-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.1rem 1.2rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
}

.stake-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.stake-list {
    list-style: disc;
    padding-left: 1rem;
    font-size: 0.85rem;
    color: var(--color-muted);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* CTA FINALE */
.cta {
    text-align: center;
    padding-bottom: 4rem;
}

.cta-inner {
    max-width: 720px;
    margin: 0 auto;
    background: radial-gradient(
        circle at top,
        #e0f2fe 0,
        #ffffff 45%,
        #e5f9f5 100%
    );
    border-radius: 28px;
    padding: 2rem 1.8rem 2.1rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: var(--shadow-soft);
}

.cta-title {
    font-size: 1.5rem;
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 0.95rem;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
}

footer {
    border-top: 1px solid rgba(148, 163, 184, 0.3);
    padding: 1.5rem 0 1.8rem;
    font-size: 0.8rem;
    color: var(--color-muted);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 1.2rem;
}

/* RESPONSIVE */
@media (max-width: 959px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 2.2rem;
    }

    .stakeholder-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-2 {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    section {
        padding: 3.3rem 0;
    }

    .hero {
        padding-top: 1.8rem;
    }

    .section-how-work,
    .grid-5 {
        grid-template-columns: minmax(0, 1fr);
    }

    .stakeholder-grid,
    .grid-4 {
        grid-template-columns: minmax(0, 1fr);
    }

    .stakeholder-grid,
    .grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-card {
        margin-top: 0.5rem;
    }
}

/* MOBILE MENU */
.mobile-menu {
    display: none;
    position: fixed;
    /*inset: 70px 0 0 0;*/
    background: rgba(249, 250, 251, 0.98);
    backdrop-filter: blur(16px);
    z-index: 40;
    padding: 1.5rem 1.5rem 2rem;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    margin-bottom: 1.4rem;
    font-size: 0.95rem;
    background: rgba(249, 250, 251, 0.98);
}

.mobile-menu-cta {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

/* PAGINA CONTATTI */
.contact-page {
    padding: 4rem 0 6rem;
}

.contact-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
}

.contact-subtitle {
    font-size: 1rem;
    color: var(--color-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.contact-form-wrapper {
    max-width: 720px;
    margin: 0 auto;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2.2rem 2.8rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: var(--shadow-soft);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
    margin-bottom: 1.8rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark);
}

.required {
    color: #ef4444;
    margin-left: 0.2rem;
}

.form-group input,
.form-group textarea {
    padding: 0.85rem 1rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 90, 169, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: #ef4444;
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: #10b981;
}

.error-message {
    font-size: 0.8rem;
    color: #ef4444;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.success-message {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(to bottom, #d1fae5 0%, #ecfdf5 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.success-icon {
    width: 64px;
    height: 64px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.2rem;
}

.success-message h3 {
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
    color: var(--color-dark);
}

.success-message p {
    color: var(--color-muted);
    line-height: 1.6;
}

.contact-info {
    margin-top: 3rem;
}

.info-card {
    background: rgba(224, 242, 254, 0.5);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.8rem;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.info-card h4 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--color-dark);
}

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

.info-card a {
    color: var(--color-primary);
    font-weight: 600;
}

.info-card a:hover {
    text-decoration: underline;
}

/* RESPONSIVE PAGINA CONTATTI */
@media (max-width: 640px) {
    .contact-page {
        padding: 2.5rem 0 4rem;
    }

    .contact-title {
        font-size: 1.6rem;
    }

    .contact-form {
        padding: 1.8rem 1.5rem 2rem;
    }

    .form-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.1rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

/* LANGUAGE SWITCHER */
.lang-switcher {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: 1.5rem;
}

.lang-current {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.4);
    padding: 0.4rem 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    transition: all 0.2s;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lang-current:hover {
    border-color: var(--color-primary);
    background: rgba(0, 90, 169, 0.05);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    padding: 0.5rem;
    /*margin-top: 0.5rem;*/
    min-width: 80px;
    z-index: 100;
}

.lang-switcher:hover .lang-dropdown {
    display: block;
}

.lang-dropdown a {
    display: block;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 600;
    color: var(--color-dark);
    transition: all 0.2s;
}

.lang-dropdown a:hover {
    background: rgba(0, 90, 169, 0.1);
    color: var(--color-primary);
}

/* Mobile Language Switcher */
.mobile-menu-lang {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.mobile-menu-lang a {
    font-weight: 600;
    color: var(--color-muted);
    transition: color 0.2s;
    text-decoration: none;
}

.mobile-menu-lang a:hover,
.mobile-menu-lang a.active {
    color: var(--color-primary);
}

.mobile-menu-lang span {
    color: var(--color-muted);
    opacity: 0.5;
}