/* ===========================
   RESET E VARIABILI
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette Sostenibilità & Mediazione */
    --verde-salvia: #8B9D83;
    --verde-oliva: #6B7F5E;
    --blu-profondo: #2C4A6B;
    --blu-scuro: #1A2F47;
    --avorio: #F5F3EE;
    --grigio-caldo: #B8B4A9;
    --bianco: #FFFFFF;
    --nero-soft: #2A2A2A;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Shadows */
    --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 30px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--nero-soft);
    background-color: var(--avorio);
    overflow-x: hidden;
}

/* ===========================
   FRONTESPIZIO
   =========================== */
.frontespizio {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blu-profondo) 0%, var(--blu-scuro) 100%);
    color: var(--bianco);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.frontespizio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(139,157,131,0.1)"/></svg>') no-repeat bottom center;
    background-size: cover;
    opacity: 0.3;
}

.frontespizio-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.logo-container {
    margin-bottom: var(--spacing-md);
}

.logo-icon {
    font-size: 5rem;
    color: var(--verde-salvia);
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
    animation: scaleIn 1s ease-out 0.3s both;
}

.main-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.subtitle-emphasis {
    display: block;
    font-size: 2rem;
    font-weight: 400;
    font-style: italic;
    color: var(--verde-salvia);
    margin-top: var(--spacing-sm);
    letter-spacing: 0.05em;
    text-shadow: 0 2px 10px rgba(139, 157, 131, 0.5);
}

.subtitle {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    font-style: italic;
    line-height: 1.6;
    color: var(--avorio);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    color: var(--blu-profondo);
    background-color: var(--bianco);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.9s both;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
    background-color: var(--verde-salvia);
    color: var(--bianco);
}

.cta-button i {
    animation: bounce 2s infinite;
}

/* ===========================
   SEZIONI PRINCIPALI
   =========================== */
.section {
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

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

.section-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

.content-box {
    background-color: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

/* ===========================
   COLORI SEZIONI
   =========================== */
.section-premessa {
    background-color: var(--avorio);
}

.section-premessa .section-title {
    color: var(--blu-profondo);
}

.section-sostenibilita {
    background: linear-gradient(135deg, #f8faf7 0%, #eef3ec 100%);
}

.section-sostenibilita .section-icon {
    color: var(--verde-oliva);
}

.section-sostenibilita .section-title {
    color: var(--verde-oliva);
}

.section-inclusione {
    background: linear-gradient(135deg, #f0f5fa 0%, #e6eff7 100%);
}

.section-inclusione .section-icon {
    color: var(--blu-profondo);
}

.section-inclusione .section-title {
    color: var(--blu-profondo);
}

.section-ai {
    background: linear-gradient(135deg, #faf9f7 0%, #f2f0eb 100%);
}

.section-ai .section-icon {
    color: #6B7F8F;
}

.section-ai .section-title {
    color: #6B7F8F;
}

.section-equita {
    background: linear-gradient(135deg, #f5f8f5 0%, #ecf1ec 100%);
}

.section-equita .section-icon {
    color: var(--verde-salvia);
}

.section-equita .section-title {
    color: var(--verde-salvia);
}

.section-accordo {
    background: linear-gradient(135deg, #f2f6f9 0%, #e8eef4 100%);
}

.section-accordo .section-icon {
    color: var(--blu-profondo);
}

.section-accordo .section-title {
    color: var(--blu-profondo);
}

.section-organismo {
    background: linear-gradient(135deg, #fafaf8 0%, #f0f0ed 100%);
}

.section-organismo .section-icon {
    color: var(--grigio-caldo);
}

.section-organismo .section-title {
    color: var(--blu-scuro);
}

.section-mediatori {
    background: linear-gradient(135deg, #f6f9f6 0%, #edf2ed 100%);
}

.section-mediatori .section-icon {
    color: var(--verde-oliva);
}

.section-mediatori .section-title {
    color: var(--verde-oliva);
}

.section-parti {
    background: linear-gradient(135deg, #f3f7fa 0%, #e9eff4 100%);
}

.section-parti .section-icon {
    color: var(--blu-profondo);
}

.section-parti .section-title {
    color: var(--blu-profondo);
}

/* ===========================
   LISTE E TESTO
   =========================== */
.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.value-list,
.principle-list {
    list-style: none;
    padding-left: 0;
}

.value-list li,
.principle-list li {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.marker {
    color: var(--verde-salvia);
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

strong {
    font-weight: 600;
    color: var(--blu-profondo);
}

/* ===========================
   SEZIONE ADESIONE
   =========================== */
.section-adesione {
    background: linear-gradient(135deg, var(--blu-profondo) 0%, var(--blu-scuro) 100%);
    color: var(--bianco);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-adesione .section-title {
    color: var(--bianco);
}

.section-adesione .section-icon {
    color: var(--verde-salvia);
}

.divider {
    width: 200px;
    height: 2px;
    background: var(--verde-salvia);
    margin: 0 auto var(--spacing-lg);
    border-radius: 2px;
}

.adesione-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--avorio);
}

.signatures-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin-bottom: var(--spacing-lg);
    border: 2px solid rgba(139, 157, 131, 0.3);
    animation: fadeInUp 1s ease-out;
}

.counter-icon {
    font-size: 3rem;
    color: var(--verde-salvia);
}

.counter-content {
    text-align: center;
}

.counter-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--bianco);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.counter-label {
    font-size: 1rem;
    color: var(--avorio);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.signatures-chart {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin-bottom: var(--spacing-lg);
    border: 2px solid rgba(139, 157, 131, 0.3);
}

.chart-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--bianco);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.chart-container {
    position: relative;
    height: 350px;
    max-width: 500px;
    margin: 0 auto;
}

.signature-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.signature-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bianco);
    border: 3px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--nero-soft);
    box-shadow: var(--shadow-soft);
}

.signature-btn i {
    font-size: 3rem;
    transition: transform 0.3s ease;
}

.signature-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.signature-btn:hover i {
    transform: scale(1.1);
}

.btn-mediatore {
    border-color: var(--verde-oliva);
}

.btn-mediatore i {
    color: var(--verde-oliva);
}

.btn-mediatore:hover {
    background: linear-gradient(135deg, #f8faf7 0%, #eef3ec 100%);
}

.btn-avvocato {
    border-color: var(--blu-profondo);
}

.btn-avvocato i {
    color: var(--blu-profondo);
}

.btn-avvocato:hover {
    background: linear-gradient(135deg, #f0f5fa 0%, #e6eff7 100%);
}

.btn-parte {
    border-color: var(--grigio-caldo);
}

.btn-parte i {
    color: var(--grigio-caldo);
}

.btn-parte:hover {
    background: linear-gradient(135deg, #fafaf8 0%, #f0f0ed 100%);
}

.btn-organismo {
    border-color: var(--blu-scuro);
}

.btn-organismo i {
    color: var(--blu-scuro);
}

.btn-organismo:hover {
    background: linear-gradient(135deg, #f3f7fa 0%, #e9eff4 100%);
}

/* ===========================
   SEZIONE FIRMATARI
   =========================== */
.section-firmatari {
    background-color: var(--avorio);
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-firmatari .section-title {
    color: var(--blu-profondo);
}

.section-firmatari .section-icon {
    color: var(--verde-salvia);
}

.firmatari-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.firmatari-category {
    background-color: var(--bianco);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

.category-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blu-profondo);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--verde-salvia);
    padding-bottom: var(--spacing-sm);
}

.category-title i {
    color: var(--verde-salvia);
}

.firmatari-list {
    min-height: 100px;
}

.firmatari-list ul {
    list-style: none;
    padding: 0;
}

.firmatari-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--avorio);
    font-size: 1rem;
    color: var(--nero-soft);
}

.firmatari-list li:last-child {
    border-bottom: none;
}

.no-signatures {
    color: var(--grigio-caldo);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-md) 0;
}

.signature-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--avorio);
}

.signature-item:last-child {
    border-bottom: none;
}

.signature-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
}

.signature-main i {
    color: var(--verde-salvia);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.signature-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.signature-name {
    font-weight: 500;
    color: var(--nero-soft);
}

.signature-detail {
    font-size: 0.85rem;
    color: var(--grigio-caldo);
    font-style: italic;
}

.signature-date {
    font-size: 0.85rem;
    color: var(--grigio-caldo);
    margin-left: auto;
}

/* ===========================
   MODAL
   =========================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--bianco);
    margin: 5% auto;
    padding: var(--spacing-lg);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-medium);
    animation: slideDown 0.4s ease;
}

.close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--grigio-caldo);
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--nero-soft);
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--blu-profondo);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-title i {
    color: var(--verde-salvia);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group input {
    width: 100%;
    padding: 0.8rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 2px solid var(--avorio);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--verde-salvia);
}

.form-checkbox {
    background-color: var(--avorio);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--verde-salvia);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    min-width: 20px;
    min-height: 20px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span {
    flex: 1;
    line-height: 1.5;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.btn-cancel,
.btn-submit {
    padding: 0.8rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background-color: var(--avorio);
    color: var(--nero-soft);
}

.btn-cancel:hover {
    background-color: var(--grigio-caldo);
    color: var(--bianco);
}

.btn-submit {
    background: linear-gradient(135deg, var(--verde-salvia) 0%, var(--verde-oliva) 100%);
    color: var(--bianco);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 157, 131, 0.4);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background-color: var(--blu-scuro);
    color: var(--avorio);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-subtitle {
    font-size: 0.9rem;
    color: var(--grigio-caldo);
}

/* ===========================
   ANIMAZIONI
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle-emphasis {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .content-box {
        padding: var(--spacing-md);
    }
    
    .signature-buttons {
        grid-template-columns: 1fr;
    }
    
    .firmatari-grid {
        grid-template-columns: 1fr;
    }
    
    .signatures-counter {
        flex-direction: column;
        text-align: center;
    }
    
    .counter-number {
        font-size: 2.5rem;
    }
    
    .chart-container {
        height: 300px;
    }
    
    .chart-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle-emphasis {
        font-size: 1.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .logo-icon {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-icon {
        font-size: 2.5rem;
    }
}