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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #2d5016;
    --accent-color: #5a7c3e;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --border-color: #dee2e6;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header e Navigazione */
header {
    background-color: var(--primary-color);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.logo .subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    font-style: italic;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 6rem 2rem;
    text-align: center;
}

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

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    font-style: italic;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    display: inline-block;
    font-weight: 500;
}

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

.btn-primary:hover {
    background-color: #d4b56f;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-alt {
    background-color: var(--light-bg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--gray);
}

.subsection-title {
    font-size: 2rem;
    color: var(--secondary-color);
    margin: 3rem 0 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--accent-color);
}

.special-mentions-title {
    margin-top: 4rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.content-block {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.content-block h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.styled-list {
    list-style: none;
    padding-left: 0;
}

.styled-list li {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.styled-list li:before {
    content: "▪";
    color: var(--accent-color);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

.info-box {
    background-color: var(--light-bg);
    border-left: 4px solid var(--accent-color);
    padding: 1.5rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.info-box-large {
    padding: 2rem;
    margin: 2rem 0;
}

.info-box p {
    margin-bottom: 0.5rem;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.small-text {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 1rem;
}

/* Document Links */
.document-links {
    margin: 3rem 0;
}

.document-links h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.doc-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.doc-link:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.doc-icon {
    font-size: 2rem;
}

/* Thesis Cards */
.thesis-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-left: 5px solid var(--accent-color);
    transition: all 0.3s ease;
}

.thesis-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    transform: translateX(5px);
}

.mention-card {
    border-left-color: var(--secondary-color);
    position: relative;
}

.mention-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.thesis-header h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.thesis-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--gray);
}

.thesis-meta span {
    display: flex;
    align-items: center;
}

.author {
    font-weight: 600;
    color: var(--secondary-color);
}

.university {
    font-style: italic;
}

.thesis-presentation {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.thesis-motivation {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.thesis-motivation h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.thesis-motivation p {
    line-height: 1.8;
    text-align: justify;
}

/* Carla Barbati Section */
.carla-section {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
    margin: 3rem 0;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.carla-photo {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.carla-bio h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.carla-bio p {
    margin-bottom: 1rem;
    line-height: 1.8;
    text-align: justify;
}

.carla-bio ul {
    list-style: none;
    padding-left: 0;
    margin: 1rem 0;
}

.carla-bio ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    position: relative;
}

.carla-bio ul li:before {
    content: "•";
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
}

/* Organi Grid */
.organi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.organo-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.organo-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.organo-card ul {
    list-style: none;
    padding-left: 0;
}

.organo-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.organo-card li:last-child {
    border-bottom: none;
}

/* Event Program */
.event-program {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin: 2rem 0;
}

.event-program img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-block {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.contact-block h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-block a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-block a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
}

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

.footer-section h4 {
    margin-bottom: 0.5rem;
}

.footer-section p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .subsection-title {
        font-size: 1.5rem;
    }

    .thesis-header h4 {
        font-size: 1.2rem;
    }

    .mention-badge {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .carla-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .organi-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .thesis-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Print Styles */
@media print {
    header,
    .hero-buttons,
    .hamburger {
        display: none;
    }

    .thesis-card {
        page-break-inside: avoid;
    }
}