/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Lato:wght@300;400;700&display=swap');

/* CSS Reset e Variabili */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

:root {
    /* Palette Colori */
    --color-primary: #00509E;
    --color-accent: #FF7A00;
    --color-background: #FFFFFF;
    --color-background-light: #F8F9FA;
    --color-text: #212529;
    --color-secondary: #E9ECEF;
    --color-white: #FFFFFF;
    --color-gray-light: #6C757D;
    
    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --border-radius: 8px;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Base Styles */
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover,
.nav a.active {
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background-color: #E66E00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Hero Section */
.hero {
    background-color: var(--color-background-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Cards */
.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.card h3 {
    margin-bottom: var(--spacing-xs);
}

.card p {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
}

/* Tags */
.tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    background-color: var(--color-secondary);
    color: var(--color-text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Services */
.service-item {
    text-align: center;
    padding: var(--spacing-md);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-white);
    font-size: 1.5rem;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-weight: 600;
    font-size: 1.25rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--color-secondary);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    transition: border-color 0.3s ease;
}

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

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

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-image {
    width: 100%;
    border-radius: var(--border-radius);
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    list-style: none;
    margin-top: var(--spacing-sm);
}

.skills-list li {
    background-color: var(--color-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Mobile Header */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        z-index: 1000;
        transition: left 0.3s ease;
        padding-top: 80px;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav ul {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .nav a {
        font-size: 1.2rem;
        padding: var(--spacing-sm);
        display: block;
    }
    
    .header-content {
        justify-content: space-between;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Case Studies Styles */
.case-study {
    padding: 4rem 0;
    border-top: 2px solid var(--color-secondary);
}

.case-study:first-child {
    border-top: none;
    padding-top: 2rem;
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.case-study-info h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 2.25rem;
}

.case-study-info p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.case-study-info h3 {
    color: var(--color-text);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

/* Custom Lists for Case Studies */
.features-list,
.tech-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.features-list li,
.tech-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.features-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

.tech-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Case Study Actions */
.case-study-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* Case Study Images */
.case-study-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-study-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-study-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

/* Responsive Design for Case Studies */
@media (max-width: 768px) {
    .case-study {
        padding: 3rem 0;
    }
    
    .case-study-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .case-study-image {
        order: -1;
    }
    
    .case-study-info h2 {
        font-size: 1.875rem;
    }
    
    .case-study-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .case-study {
        padding: 2rem 0;
    }
    
    .case-study-content {
        gap: 1.5rem;
    }
    
    .case-study-info h2 {
        font-size: 1.75rem;
    }
    
    .case-study-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .case-study-actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* Stili del Logo nel Header */
.logo {
  display: flex;
  align-items: center;
  gap: 8px; /* Spazio tra monogramma e testo */
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.logo .logo-monogram {
  font-family: 'Courier New', Courier, monospace;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-primary); /* Il monogramma usa il blu primario */
}

/* Stili per Animazione On-Scroll */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Effetto Zoom Immagine su Hover Card */
.card img {
  transition: transform 0.4s ease-in-out;
}

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