/* 
 * Telecommunications Italy - Alternative Visual System
 * Warm, Soft Institutional Design
 */

/* ===== COLOR PALETTE ===== */
:root {
    /* Background Colors */
    --bg-primary: #F9F7F4;           /* Warm off-white */
    --bg-secondary: #F0EDE8;         /* Slightly darker off-white */
    --bg-section: #FFFFFF;           /* Pure white for sections */
    --bg-footer: #E8E4DC;            /* Light beige-gray */
    
    /* Accent Colors */
    --accent-sage: #8B9D7A;          /* Muted sage-green */
    --accent-sage-light: #AAB896;    /* Lighter sage */
    --accent-sage-dark: #6B7E5B;     /* Darker sage */
    
    /* Text Colors */
    --text-primary: #4A4A4A;         /* Soft graphite */
    --text-secondary: #6B6B6B;       /* Lighter graphite */
    --text-muted: #8C8C8C;           /* Muted graphite */
    
    /* UI Elements */
    --border-color: #D4D0C6;         /* Light beige separator */
    --divider-color: #E5E1D8;        /* Very light beige */
    
    /* Links */
    --link-color: #6B7E5B;           /* Sage green */
    --link-hover: #5A6A4B;           /* Darker sage */
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: var(--accent-sage-dark);
}

h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 0.8rem;
    color: var(--accent-sage);
}

p {
    margin-bottom: 1.2rem;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background-color: var(--bg-section);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-sage-dark);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-primary);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
}

nav a:hover {
    color: var(--accent-sage);
    text-decoration: none;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-sage);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a.active {
    color: var(--accent-sage-dark);
    font-weight: 500;
}

nav a.active::after {
    width: 100%;
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--accent-sage-dark);
    cursor: pointer;
}

/* ===== MAIN CONTENT ===== */
main {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 2rem;
}

section {
    background-color: var(--bg-section);
    border-radius: 8px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.disclaimer-block {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--accent-sage);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.disclaimer-block p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.disclaimer-block p:last-child {
    margin-bottom: 0;
}

/* ===== CONTENT SECTIONS ===== */
.content-block {
    margin: 2rem 0;
}

.content-block p {
    margin-bottom: 1.2rem;
}

.content-block ul,
.content-block ol {
    margin: 1rem 0 1.5rem 2rem;
}

.content-block li {
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.info-box {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 6px;
    margin: 1.5rem 0;
}

.info-box h3 {
    margin-top: 0;
    color: var(--accent-sage-dark);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--bg-footer);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent-sage-dark);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.6rem;
}

.footer-section a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.footer-disclaimer {
    background-color: var(--bg-section);
    padding: 1.5rem;
    border-radius: 6px;
    margin-top: 2rem;
}

.footer-disclaimer p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.contact-info {
    margin: 1rem 0;
}

.contact-info p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-info strong {
    color: var(--text-primary);
}

/* ===== CONTACT FORM ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--bg-primary);
    transition: border-color 0.3s ease;
}

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

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

.form-notice {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 4px;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.submit-btn {
    background-color: var(--accent-sage);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    header {
        padding: 1rem 0;
    }
    
    .header-container {
        flex-wrap: wrap;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    nav a {
        padding: 0.8rem 0;
        border-bottom: 1px solid var(--divider-color);
    }
    
    main {
        padding: 0 1rem;
        margin: 2rem auto;
    }
    
    section {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    main {
        padding: 0 0.8rem;
    }
    
    section {
        padding: 1.2rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.divider {
    height: 1px;
    background-color: var(--divider-color);
    margin: 2rem 0;
}

/* ===== FORM ELEMENTS ===== */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
    cursor: pointer;
}

.checkbox-label span {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
}