:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #10b981;
    --accent-hover: #059669;
    --text-main: #334155;
    --text-muted: #64748b;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Lora', serif;
    font-weight: 700;
    color: var(--primary);
}

a {
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

.logo-text span {
    font-weight: 400;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 0.85rem !important;
}

.btn-cta:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
}

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('hero_accountant.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
}

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

.hero h1 {
    font-size: 4.5rem;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

.hero p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 700;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

.btn-secondary {
    border: 2px solid var(--white);
    color: var(--white);
    padding: 13px 33px;
    border-radius: 5px;
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
}

/* Sections General */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.subtitle {
    display: block;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 0 auto;
}

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    padding: 40px;
    background: var(--white);
    border-radius: 15px;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Services */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-box {
    display: flex;
    flex-direction: column;
    padding: 50px;
    background: var(--white);
    border-radius: 20px;
    border-left: 5px solid var(--accent);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-box:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.service-box i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 25px;
}

/* Team */
.partners-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.member-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.member-card:hover {
    box-shadow: var(--shadow-lg);
}

.member-img {
    height: 400px;
    overflow: hidden;
}

.member-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 10%; /* Sposta l'inquadratura verso l'alto */
    transition: var(--transition);
}

.member-card:hover .member-img img {
    transform: scale(1.05);
}

.member-info {
    padding: 30px;
}

.role {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.specialists-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.specialists-grid .member-img {
    height: 300px;
}

.collaborators-section {
    background: var(--primary);
    padding: 60px;
    border-radius: 20px;
    color: var(--white);
}

.collaborators-section h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
}

.collaborators-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: flex-start;
}

.collaborators-img {
    border-radius: 15px;
    overflow: hidden;
    height: 450px;
    position: sticky;
    top: 100px;
}

.collaborators-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.collaborators-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.staff-category {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    border-left: 3px solid var(--accent);
}

.staff-category h4 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
}

.staff-category ul {
    list-style: none;
}

.staff-category li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: #cbd5e1;
}

.staff-category li strong {
    color: var(--white);
    display: block;
    font-size: 1rem;
}

@media (max-width: 992px) {
    .collaborators-layout {
        grid-template-columns: 1fr;
    }
    .collaborators-img {
        height: 300px;
        position: static;
    }
}

/* Contact */
.contact {
    background: var(--bg-light);
}

.contact-box {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    background: var(--white);
    padding: 80px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
}

.contact-text h2 {
    font-size: 3rem;
    margin-bottom: 25px;
}

.contact-details {
    margin-top: 40px;
}

.detail {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.detail i {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    color: var(--accent);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}

.contact-form-container form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    background: var(--bg-light);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
}

.submit-btn {
    background: var(--accent);
    color: var(--white);
    border: none;
    padding: 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--accent-hover);
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid #1e293b;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .contact-box { gap: 40px; padding: 40px; }
}

@media (max-width: 992px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .values-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .partners-row, .specialists-grid { grid-template-columns: 1fr; }
    .collaborators-layout { grid-template-columns: 1fr; }
    .contact-box { grid-template-columns: 1fr; }
    
    .nav-menu.active .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--white);
        padding: 100px 40px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.8rem; }
    .hero-btns { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}