/* =========================================
   CAMMINO LAURETANO DELLA SALARIA GALLICA
   Stylesheet principale
   ========================================= */

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

:root {
    /* Palette Colori Storica */
    --pergamena: #f4e8d0;
    --sepia-scuro: #8b7355;
    --verde-bosco: #3d5941;
    --oro-antico: #b8860b;
    --rosso-terra: #8b4513;
    --nero-inchiostro: #2c2416;
    --bianco-sporco: #faf8f3;
    --grigio-pietra: #9d9d9d;

    /* Tipografia */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Source Serif 4', serif;

    /* Spaziature */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Dimensioni */
    --max-width: 720px;
    --max-width-wide: 1200px;

    /* Transizioni */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.8;
    color: var(--nero-inchiostro);
    background-color: var(--bianco-sporco);
    overflow-x: hidden;
}

/* === TIPOGRAFIA === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--sepia-scuro);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-top: var(--spacing-md);
}

p {
    /* margin-bottom: var(--spacing-sm); */
}

.lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--rosso-terra);
    margin-bottom: var(--spacing-md);
}

.lead-large {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--oro-antico);
    margin-bottom: var(--spacing-md);
}

blockquote {
    border-left: 4px solid var(--oro-antico);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--sepia-scuro);
    background-color: rgba(244, 232, 208, 0.3);
    padding: var(--spacing-md);
}

blockquote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: normal;
    color: var(--grigio-pietra);
}

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

a:hover {
    color: var(--oro-antico);
}

ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
}

strong {
    font-weight: 600;
    color: var(--rosso-terra);
}

/* === NAVIGATION TOP === */
.nav-top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(250, 248, 243, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--sepia-scuro);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--sepia-scuro);
    padding: 0.5rem 0.7rem;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-menu a:hover {
    background-color: var(--pergamena);
    color: var(--verde-bosco);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--sepia-scuro);
    border-radius: 2px;
    transition: var(--transition);
}

/* === SIDE NAVIGATION === */
.nav-side {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    display: none;
}

.nav-side ul {
    list-style: none;
    margin: 0;
}

.nav-side li {
    margin: 0.8rem 0;
}

.nav-side a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--grigio-pietra);
    transition: var(--transition);
    position: relative;
}

.nav-side a.active {
    background-color: var(--oro-antico);
    width: 16px;
    height: 16px;
}

.nav-side a:hover {
    background-color: var(--verde-bosco);
    transform: scale(1.3);
}

.nav-number {
    display: none;
    position: absolute;
    right: 25px;
    font-size: 0.8rem;
    color: var(--sepia-scuro);
    white-space: nowrap;
    font-family: var(--font-display);
}

.nav-side a:hover .nav-number {
    display: block;
}

/* === PROGRESS BAR === */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--verde-bosco), var(--oro-antico));
    z-index: 1001;
    transition: width 0.1s ease;
}

/* === SECTIONS === */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    scroll-margin-top: 80px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.container-wide {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    width: 100%;
}

.section-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--oro-antico);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section-number.light {
    color: var(--oro-antico);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.section-number.gold {
    color: var(--oro-antico);
    font-size: 1.5rem;
}

/* === HERO SECTION === */
.hero-section {
    position: relative;
    padding: 0;
    min-height: 100vh;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(44,36,22,0.7));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.hero-content strong {
    color: var(--oro-antico);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

.hero-content a {
    color: var(--pergamena);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    color: white;
    text-shadow: 2px 2px 20px rgba(0,0,0,0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--pergamena);
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 10px rgba(0,0,0,0.5);
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--oro-antico);
    color: white;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.hero-cta:hover {
    background-color: var(--verde-bosco);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0,0,0,0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background-color: white;
    margin: 0.5rem auto 0;
    position: relative;
    animation: scrollBounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.7; }
}

/* === CONTENT SECTIONS === */
.content-section {
    background-color: var(--bianco-sporco);
}

.content-text {
    font-size: 1.1rem;
    line-height: 1.9;
}

.sepia-section {
    background-color: var(--pergamena);
}

.verde-section {
    background: linear-gradient(135deg, rgba(61, 89, 65, 0.08), rgba(244, 232, 208, 0.15));
}

.dark-section {
    background-color: var(--nero-inchiostro);
    color: var(--pergamena);
}

.dark-section h2,
.dark-section h3,
.dark-section h4,
.dark-section h5,
.dark-section p,
.dark-section li,
.dark-section blockquote {
    color: var(--pergamena);
}

.dark-section strong {
    color: var(--oro-antico);
    font-weight: 700;
}

.dark-section a {
    color: var(--oro-antico);
    text-decoration: underline;
}

.dark-section a:hover {
    color: var(--pergamena);
}

.dark-section blockquote {
    border-left-color: var(--oro-antico);
    background-color: rgba(184, 134, 11, 0.15);
}

.dark-section blockquote cite {
    color: var(--oro-antico);
}

.light-text {
    color: var(--pergamena) !important;
}

.light {
    color: var(--pergamena);
}

.light-quote {
    border-left-color: var(--oro-antico);
    background-color: rgba(184, 134, 11, 0.1);
}

/* === IMAGE SECTIONS === */
.image-section {
    background-color: var(--pergamena);
}

.image-container {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.image-caption {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: italic;
    color: var(--grigio-pietra);
}

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

.image-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.image-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* === HIGHLIGHT BOXES === */
.highlight-box {
    background-color: rgba(184, 134, 11, 0.1);
    border-left: 4px solid var(--oro-antico);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: 4px;
}

.highlight-box h3 {
    color: var(--oro-antico);
    margin-top: 0;
}

.highlight-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--rosso-terra);
    text-align: center;
    margin: var(--spacing-md) 0;
}

.inscription {
    text-align: center;
    background-color: var(--grigio-pietra);
    border-left: none;
}

.inscription-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--nero-inchiostro);
    letter-spacing: 4px;
    line-height: 1.5;
}

/* === VOTI LIST === */
.voti-list {
    list-style: none;
    margin-left: 0;
}

.voti-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: rgba(244, 232, 208, 0.2);
    border-left: 3px solid var(--oro-antico);
    padding-left: var(--spacing-md);
}

.dark-section .voti-list li {
    background-color: rgba(184, 134, 11, 0.2);
    color: var(--pergamena);
}

.dark-section .voti-list strong {
    color: var(--oro-antico);
}

/* === CLIMAX SECTION (SEZIONE 10) === */
.climax-section {
    background: linear-gradient(135deg, var(--nero-inchiostro) 0%, var(--sepia-scuro) 100%);
    padding: var(--spacing-xl) var(--spacing-md);
}

.climax-title {
    color: var(--oro-antico);
    text-align: center;
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.climax-content {
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.image-grid-climax {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.image-item-large img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(184, 134, 11, 0.3);
    border: 4px solid var(--oro-antico);
}

.gold-text {
    color: var(--pergamena);
}

.gold-text h2,
.gold-text h3,
.gold-text h4 {
    color: var(--oro-antico);
}

.gold-text p,
.gold-text li,
.gold-text blockquote {
    color: var(--pergamena);
}

.gold-text strong {
    color: var(--oro-antico);
    font-weight: 700;
}

.gold-text a {
    color: var(--oro-antico);
    text-decoration: underline;
}

.gold-text a:hover {
    color: white;
}

.gold-text blockquote {
    border-left-color: var(--oro-antico);
    background-color: rgba(184, 134, 11, 0.2);
    color: var(--pergamena);
}

.gold-text blockquote cite {
    color: var(--oro-antico);
}

.discovery-list {
    list-style: none;
    margin-left: 0;
    margin-top: var(--spacing-md);
}

.discovery-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: rgba(184, 134, 11, 0.15);
    border-left: 4px solid var(--oro-antico);
    border-radius: 4px;
    font-size: 1.2rem;
    color: var(--pergamena);
}

.discovery-list strong {
    color: var(--oro-antico);
}

.revelation-box {
    background: linear-gradient(135deg, var(--oro-antico), var(--rosso-terra));
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    text-align: center;
}

.revelation-box h3 {
    color: white;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.revelation-box p {
    color: white;
    font-size: 1.2rem;
}

.revelation-question {
    font-size: 1.5rem !important;
    font-weight: 700;
    margin-top: var(--spacing-md);
    font-style: italic;
}

.climax-quote {
    border-left-color: var(--oro-antico);
    background-color: rgba(184, 134, 11, 0.2);
    color: var(--pergamena);
}

.climax-quote cite {
    color: var(--oro-antico);
    font-weight: 600;
}

/* === SOURCES & REFERENCES === */
.sources-list {
    margin: var(--spacing-md) 0;
}

.source-item {
    background-color: var(--pergamena);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--verde-bosco);
    border-radius: 4px;
}

.source-item h4 {
    color: var(--verde-bosco);
    margin-bottom: var(--spacing-xs);
}

.book-reference {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--pergamena);
    border: 3px solid var(--oro-antico);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

.book-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--sepia-scuro);
    margin-bottom: var(--spacing-sm);
}

.book-subtitle {
    font-style: italic;
    color: var(--grigio-pietra);
    font-size: 1.1rem;
}

/* === CTA SECTION === */
.cta-section {
    background: linear-gradient(135deg, var(--verde-bosco), var(--sepia-scuro));
    color: var(--pergamena);
}

.cta-section h2,
.cta-section h3,
.cta-section p,
.cta-section li {
    color: var(--pergamena);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.feature-item {
    background-color: rgba(244, 232, 208, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    border: 2px solid var(--oro-antico);
}

.feature-item h3 {
    color: var(--oro-antico);
    margin-bottom: var(--spacing-sm);
}

.route-list {
    background-color: rgba(244, 232, 208, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

.route-list p {
    font-size: 1.1rem;
    line-height: 1.9;
}

.cta-box {
    background-color: var(--oro-antico);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    margin-top: var(--spacing-lg);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.cta-box h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-box p {
    color: white;
    font-size: 1.1rem;
}

.contact-email {
    font-size: 1.3rem !important;
    font-weight: 700;
    margin-top: var(--spacing-md);
}

.contact-email a {
    color: white;
    text-decoration: underline;
}

.contact-email a:hover {
    color: var(--pergamena);
}

/* === FOOTER === */
.footer {
    background-color: var(--nero-inchiostro);
    color: var(--pergamena);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--oro-antico);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
    margin-left: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.footer-section a {
    color: var(--pergamena);
}

.footer-section a:hover {
    color: var(--oro-antico);
}

.footer-bottom {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--sepia-scuro);
    text-align: center;
    font-size: 0.9rem;
}

.credits {
    margin-top: var(--spacing-sm);
    font-style: italic;
    color: var(--grigio-pietra);
}

/* === RESPONSIVE === */
@media (max-width: 1100px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bianco-sporco);
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        padding: var(--spacing-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-side {
        display: none;
    }

    .section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .image-grid,
    .image-grid-2,
    .image-grid-climax {
        grid-template-columns: 1fr;
    }

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

    .hero-content {
        padding: var(--spacing-md);
    }
}

@media (min-width: 1101px) {
    .nav-side {
        display: block;
    }
}

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

.section {
    animation: fadeInUp 0.8s ease-out;
}

/* === EXPANDABLE CONTENT (Leggi tutto) === */
.expandable-wrapper {
    position: relative;
    margin: var(--spacing-md) 0;
}

.expandable-content {
    position: relative;
    overflow: hidden;
    max-height: 200px; /* Circa 4-5 righe di testo leggibile */
    transition: max-height 0.5s ease;
}

.expandable-content.expanded {
    max-height: none;
}

.expandable-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(180deg,
        rgba(250, 248, 243, 0) 0%,
        rgba(250, 248, 243, 0.3) 40%,
        rgba(250, 248, 243, 0.8) 70%,
        var(--bianco-sporco) 100%
    );
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sepia-section .expandable-fade {
    background: linear-gradient(180deg,
        rgba(244, 232, 208, 0) 0%,
        rgba(244, 232, 208, 0.3) 40%,
        rgba(244, 232, 208, 0.8) 70%,
        var(--pergamena) 100%
    );
}

.verde-section .expandable-fade {
    background: linear-gradient(180deg,
        rgba(244, 232, 208, 0) 0%,
        rgba(244, 232, 208, 0.2) 40%,
        rgba(244, 232, 208, 0.6) 70%,
        #f4e8d0 100%
    );
}

.expandable-content.expanded + .expandable-fade {
    opacity: 0;
    visibility: hidden;
}

.read-more-btn {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.75rem 2rem;
    background-color: var(--verde-bosco);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    transition: var(--transition);
}

.read-more-btn:hover {
    background-color: var(--oro-antico);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.read-more-btn.hidden {
    display: none;
}

/* === PRINT STYLES === */
@media print {
    .nav-top,
    .nav-side,
    .progress-bar,
    .hero-cta,
    .scroll-indicator,
    .read-more-btn {
        display: none;
    }

    .section {
        page-break-inside: avoid;
        min-height: auto;
    }

    .expandable-content {
        max-height: none !important;
    }

    .expandable-fade {
        display: none !important;
    }
}