/* ==========================================================================
   Fondamenta: Base Stilistica
   ========================================================================== */

   :root {
    /* Palette Cromatica Principale */
    --color-paper: #f8f5e6;
    --color-ink: #2b2b2b;
    --color-accent: #8b5d33;
    --color-accent-light: #c4a87e;
    --color-gold: #d4af37;
    
    /* Palette Emozionale */
    --color-wisdom: #3d5a80;
    --color-memory: #98c1d9;
    --color-nostalgia: #e0fbfc;
    --color-love: #ee6c4d;
    --color-time: #293241;
    
    /* Sfumature di Neutralità */
    --color-light: #fff;
    --color-off-white: #f9f7f3;
    --color-muted: #a0968a;
    
    /* Tipografia */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', sans-serif;
    --font-handwriting: 'Dancing Script', cursive;
    
    /* Ombre e Elevazioni */
    --shadow-soft: 0 5px 15px rgba(0,0,0,0.05);
    --shadow-medium: 0 10px 25px rgba(0,0,0,0.08);
    --shadow-hard: 0 15px 35px rgba(0,0,0,0.12);
    
    /* Transizioni */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.7s cubic-bezier(0.19, 1, 0.22, 1);
    
    /* Spaziature */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Arrotondamenti */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ==========================================================================
   Reset e Fondamenta
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-paper);
    color: var(--color-ink);
    line-height: 1.6;
    font-weight: 300;
    overflow-x: hidden;
    opacity: 0;
    animation: fadeInPage 1.2s ease-out forwards;
}

body.preload * {
    animation-duration: 0s !important;
    transition: none !important;
}

@keyframes fadeInPage {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Tipografia: La Voce dell'Interfaccia
   ========================================================================== */

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    position: relative;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    font-style: italic;
    font-family: var(--font-serif);
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.8;
}

/* Citazioni e Blocchi Testuali Speciali */
.quote, blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-accent);
    padding: var(--spacing-md);
    background-color: rgba(139, 93, 51, 0.05);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    position: relative;
    line-height: 1.7;
}

.quote::before, blockquote::before {
    content: """;
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.2;
    line-height: 1;
}

.quote-attribution {
    font-style: normal;
    font-size: 0.9rem;
    text-align: right;
    margin-top: var(--spacing-xs);
    color: var(--color-muted);
}

/* ==========================================================================
   Navigazione: Esplorazione Intuitiva
   ========================================================================== */

.navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(248, 245, 230, 0.95);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-accent);
    cursor: pointer;
    font-weight: 600;
    letter-spacing: -1px;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
}

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

.nav-link {
    text-decoration: none;
    color: var(--color-ink);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-medium);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-medium);
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-accent);
}

/* Menu Hamburger per Mobile */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transition: all var(--transition-fast);
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Header: Prima Impressione Emozionale
   ========================================================================== */

.birthday-header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background: url("/api/placeholder/1280/720") center/cover no-repeat fixed;
    color: var(--color-light);
    padding: 0 var(--spacing-sm);
    overflow: hidden;
    perspective: 1000px;
}

.birthday-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 200px rgba(0,0,0,0.6);
    z-index: 1;
    pointer-events: none;
}

.birthday-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(61, 90, 128, 0.3) 0%, rgba(41, 50, 65, 0.7) 100%);
    z-index: 1;
}

.memory-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.memory-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: rgba(255,255,255,0.3);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 0.2; }
    50% { transform: translateY(-100px) translateX(20px); opacity: 0.1; }
    90% { opacity: 0.2; }
}

.hero-content {
    z-index: 3;
    max-width: 900px;
    padding: var(--spacing-lg);
    background-color: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: gentle-appear 1.5s ease-out forwards;
}

@keyframes gentle-appear {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

.birthday-badge {
    background: linear-gradient(135deg, var(--color-love), var(--color-accent));
    color: white;
    padding: 0.5rem 2rem;
    border-radius: 50px;
    font-family: var(--font-handwriting);
    font-size: 1.8rem;
    display: inline-block;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 10px 25px rgba(238, 108, 77, 0.5);
    transform: rotate(-2deg);
    animation: float-badge 4s ease-in-out infinite;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

@keyframes float-badge {
    0% { transform: rotate(-2deg) translateY(0px); }
    50% { transform: rotate(-2deg) translateY(-10px); }
    100% { transform: rotate(-2deg) translateY(0px); }
}

.hero-title {
    margin-bottom: 0.5rem;
    font-weight: 400;
    text-shadow: 0 3px 10px rgba(0,0,0,0.3);
}

.birthday-date {
    font-family: var(--font-handwriting);
    margin-top: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    display: inline-block;
    font-size: 1.3rem;
    backdrop-filter: blur(5px);
}

.birthday-message {
    margin-top: var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.birthday-signature {
    font-family: var(--font-handwriting);
    font-size: 1.4rem;
    margin-top: var(--spacing-md);
    opacity: 0.9;
    animation: fadeIn 2s 1s forwards;
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 3;
    color: var(--color-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    stroke: currentColor;
    margin-top: 5px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

/* ==========================================================================
   Sezioni Contenuto: Narrazione Visuale
   ========================================================================== */

.section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

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

/* Chi è Silvano - Layout e Stile */
.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    grid-gap: var(--spacing-lg);
    align-items: center;
}

/* Effetto Memoria sulle Immagini */
.memory-frame {
    position: relative;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    transition: transform var(--transition-slow);
}

.memory-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.3);
    pointer-events: none;
    z-index: 1;
}

.memory-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-slow);
    filter: sepia(0.2) contrast(1.05);
    transform: scale(1);
}

.memory-frame:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
}

.memory-frame:hover img {
    filter: sepia(0) contrast(1);
    transform: scale(1.05);
}

.image-caption {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-style: italic;
    max-width: 80%;
    box-shadow: var(--shadow-soft);
    z-index: 2;
}

/* ==========================================================================
   Berlino: La Sezione Speciale - Sistema Fotografico Ottimizzato
   ========================================================================== */

.section-berlin {
    background-color: var(--color-off-white);
    margin: var(--spacing-xl) auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    animation: fadeIn 0.8s ease-out forwards;
}

.berlin-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.berlin-memory {
    flex: 1;
    min-width: 300px;
    padding: var(--spacing-md);
    animation: fadeIn 0.8s 0.3s both;
}

.berlin-story {
    flex: 1.5;
    min-width: 350px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeIn 0.8s 0.5s both;
}

.berlin-images {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 16px 32px rgba(0,0,0,0.12);
}

.berlin-image-primary {
    position: relative;
    margin-bottom: var(--spacing-sm);
    height: 300px;
    overflow: hidden;
    background-color: var(--color-ink);
}

.berlin-image-primary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease, transform 0.8s ease;
}

.berlin-image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 12px;
    background-color: var(--color-light);
}

.berlin-image-small {
    position: relative;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.berlin-image-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.2);
    transition: background 0.3s ease;
    z-index: 1;
}

.berlin-image-small:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.berlin-image-small:hover::before {
    background: rgba(0,0,0,0);
}

.berlin-image-small.active {
    box-shadow: 0 0 0 2px var(--color-accent);
}

.berlin-image-small.active::before {
    background: rgba(0,0,0,0);
}

.berlin-quote {
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    background-color: rgba(61, 90, 128, 0.05);
}

.berlin-reset-button {
    display: inline-block;
    margin: 15px auto 0;
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 20px;
    color: var(--color-accent);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.berlin-reset-button:hover {
    background-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

.memory-title {
    color: var(--color-wisdom);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.memory-title::after {
    content: '';
    position: absolute;
    width: 70%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-wisdom), transparent);
    bottom: -8px;
    left: 0;
}

.memory-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* ==========================================================================
   Momenti Speciali: Cartoline Emozionali
   ========================================================================== */

.special-moments-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.moment-card {
    display: flex;
    background-color: var(--color-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.moment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hard);
}

.moment-card.reverse {
    flex-direction: row-reverse;
}

.moment-image {
    flex: 1;
    min-width: 300px;
    overflow: hidden;
}

.moment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.moment-card:hover .moment-image img {
    transform: scale(1.1);
}

.moment-content {
    flex: 2;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.moment-content h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-serif);
    font-size: 1.8rem;
}

.moment-content p {
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Famiglia: Albero Genealogico Visuale
   ========================================================================== */

.section-family {
    background: linear-gradient(135deg, rgba(61, 90, 128, 0.05), rgba(139, 93, 51, 0.05));
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) auto;
}

.family-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.family-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.2rem;
    line-height: 1.8;
}

.family-tree {
    margin: var(--spacing-xl) 0;
}

.family-photo-cluster {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(8, 50px);
    gap: var(--spacing-md);
    margin: 0 auto;
    position: relative;
}

.family-portrait {
    position: relative;
    box-shadow: var(--shadow-medium);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-medium);
}

.family-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.family-portrait span {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    text-align: center;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.family-portrait:hover {
    transform: translateY(-5px);
}

.family-portrait:hover span {
    transform: translateY(0);
}

.family-portrait.root {
    grid-column: 5 / span 4;
    grid-row: 1 / span 4;
    z-index: 5;
}

.family-portrait.branch:nth-of-type(2) {
    grid-column: 2 / span 3;
    grid-row: 3 / span 3;
    z-index: 4;
}

.family-portrait.branch:nth-of-type(3) {
    grid-column: 8 / span 3;
    grid-row: 3 / span 3;
    z-index: 4;
}

.family-portrait.leaf:nth-of-type(4) {
    grid-column: 3 / span 2;
    grid-row: 6 / span 2;
    z-index: 3;
}

.family-portrait.leaf:nth-of-type(5) {
    grid-column: 8 / span 2;
    grid-row: 6 / span 2;
    z-index: 3;
}

.family-tree-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    pointer-events: none;
}

.family-tree-lines::before,
.family-tree-lines::after {
    content: '';
    position: absolute;
    background-color: var(--color-accent-light);
    opacity: 0.5;
}

.family-tree-lines::before {
    width: 2px;
    height: 50%;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.family-tree-lines::after {
    width: 60%;
    height: 2px;
    top: 45%;
    left: 20%;
}

.family-tradition {
    background-color: var(--color-warm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    position: relative;
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
}

.family-tradition h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Timeline: Il Filo della Storia
   ========================================================================== */

.timeline-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.timeline-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.timeline-control {
    padding: 0.5rem 1rem;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.timeline-control:hover {
    background-color: rgba(139, 93, 51, 0.1);
}

.timeline-control.active {
    background-color: var(--color-accent);
    color: white;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-wisdom));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
    box-shadow: 0 0 20px rgba(139, 93, 51, 0.2);
}

.timeline-item {
    padding: var(--spacing-sm) var(--spacing-xl);
    position: relative;
    width: 50%;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-slow);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--color-paper);
    border: 4px solid var(--color-accent);
    border-radius: 50%;
    top: 15px;
    z-index: 1;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.6s;
}

.timeline-item:hover::after {
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(139, 93, 51, 0.5);
}

.timeline-left {
    left: 0;
    text-align: right;
}

.timeline-left::after {
    right: -10px;
}

.timeline-right {
    left: 50%;
    text-align: left;
    transform: translateX(50px);
}

.timeline-right::after {
    left: -10px;
}

.timeline-right.visible {
    transform: translateX(0);
}

.timeline-date {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-wisdom);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.timeline-content {
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.02);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hard);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

/* ==========================================================================
   Galleria: Finestre sui Ricordi
   ========================================================================== */

.gallery-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.gallery-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
}

.gallery-category {
    padding: 0.5rem 1.2rem;
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.gallery-category:hover {
    background-color: rgba(139, 93, 51, 0.1);
}

.gallery-category.active {
    background-color: var(--color-accent);
    color: white;
}

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

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    transition: transform var(--transition-medium);
    aspect-ratio: 3/2;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
    animation-delay: calc(var(--index) * 0.1s);
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-photo-frame {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-hover {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.gallery-item:hover .gallery-photo-frame img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-hover {
    transform: translateY(0);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    transition: opacity var(--transition-medium);
    opacity: 0;
}

.lightbox-content {
    position: relative;
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: var(--shadow-hard);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--color-light);
    font-size: 2rem;
    cursor: pointer;
    z-index: 2001;
}

.lightbox-caption {
    position: absolute;
    bottom: var(--spacing-md);
    width: 100%;
    text-align: center;
    color: var(--color-light);
    padding: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.6);
    font-family: var(--font-serif);
    font-style: italic;
}

.lightbox-navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: 2001;
}

.lightbox-prev, .lightbox-next {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.lightbox-prev:hover, .lightbox-next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   Padova nel Cuore: Mappa Emozionale
   ========================================================================== */

.padova-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.8;
}

.padova-map {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.map-wrapper {
    flex: 1.5;
    min-width: 300px;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.city-map {
    width: 100%;
    height: auto;
    display: block;
}

.map-marker {
    position: absolute;
    width: 40px;
    height: 40px;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
}

.marker-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background-color: var(--color-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
    transition: transform var(--transition-medium);
}

.marker-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background-color: var(--color-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

.map-marker:hover .marker-dot {
    transform: translate(-50%, -50%) scale(1.5);
}

.map-marker.active .marker-dot {
    background-color: var(--color-love);
}

.map-info {
    flex: 1;
    min-width: 300px;
}

.map-info h3 {
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-accent);
}

.place-info {
    display: flex;
    align-items: center;
    background-color: var(--color-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-medium);
    cursor: pointer;
}

.place-info:hover {
    transform: translateX(5px);
}

.place-info.active {
    border-left: 4px solid var(--color-accent);
}

.place-info img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-sm);
}

.place-info h4 {
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.place-info p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.padova-anecdotes h3 {
    text-align: center;
    margin: var(--spacing-xl) 0 var(--spacing-lg);
    color: var(--color-accent);
}

.anecdote {
    display: flex;
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-medium);
}

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

.anecdote-icon {
    flex: 0 0 60px;
    margin-right: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    color: var(--color-accent);
}

.anecdote-content h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-serif);
    font-size: 1.2rem;
}

.anecdote-content p {
    line-height: 1.7;
}

/* ==========================================================================
   Auguri: Espressioni di Affetto
   ========================================================================== */

.section-wishes {
    position: relative;
    overflow: hidden;
}

.wishes-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-heart {
    position: absolute;
    width: 40px;
    height: 40px;
    background-color: var(--color-love);
    opacity: 0.1;
    border-radius: 50%;
    animation: floatHeart 15s infinite ease-in-out;
}

.floating-heart:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-heart:nth-child(2) {
    top: 50%;
    left: 80%;
    animation-delay: 5s;
}

.floating-heart:nth-child(3) {
    top: 80%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes floatHeart {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(100px, -50px) scale(1.5); }
    100% { transform: translate(0, 0) scale(1); }
}

.wishes-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.wish-form {
    flex: 1;
    min-width: 300px;
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-medium);
}

.wish-form h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(139, 93, 51, 0.1);
}

.btn {
    padding: 0.8rem 1.5rem;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    transition: background-color var(--transition-medium), transform var(--transition-medium);
    font-weight: 500;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    background-color: #7a4d25;
    transform: translateY(-3px);
}

.wishes-display {
    flex: 1;
    min-width: 300px;
}

.wishes-display h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.wishes-list {
    max-height: 500px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.wish-card {
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    animation: fadeInUp 0.5s forwards;
}

.wish-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.wish-date {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.wish-body p {
    line-height: 1.7;
}

/* ==========================================================================
   Footer: La Firma Finale
   ========================================================================== */

footer {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-off-white);
    text-align: center;
    position: relative;
    margin-top: var(--spacing-xl);
}

.footer-wave {
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z' opacity='.25' fill='%23f9f7f3'%3E%3C/path%3E%3Cpath d='M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z' opacity='.5' fill='%23f9f7f3'%3E%3C/path%3E%3Cpath d='M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z' fill='%23f9f7f3'%3E%3C/path%3E%3C/svg%3E") center/cover no-repeat;
}

.footer-content {
    max-width: 700px;
    margin: 0 auto;
}

.heart-signature {
    color: var(--color-love);
    font-size: 3rem;
    margin: var(--spacing-md) 0;
    perspective: 1000px;
}

.pulsing-heart {
    display: inline-block;
    animation: heartBeat 1.5s infinite;
    transform-style: preserve-3d;
    transform: perspective(1000px);
    text-shadow: 0 0 20px rgba(208, 93, 93, 0.4);
}

@keyframes heartBeat {
    0% { transform: scale(1); text-shadow: 0 0 20px rgba(208, 93, 93, 0.3); }
    25% { transform: scale(1.1); text-shadow: 0 0 25px rgba(208, 93, 93, 0.5); }
    40% { transform: scale(1); text-shadow: 0 0 20px rgba(208, 93, 93, 0.3); }
    60% { transform: scale(1.1); text-shadow: 0 0 25px rgba(208, 93, 93, 0.5); }
    100% { transform: scale(1); text-shadow: 0 0 20px rgba(208, 93, 93, 0.3); }
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-top: var(--spacing-md);
}

.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 100;
}

#back-to-top-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
}

#back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top-icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

/* ==========================================================================
   Audio Player
   ========================================================================== */

.audio-player {
    position: fixed;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 100;
}

.music-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-light);
    color: var(--color-accent);
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-toggle:hover {
    transform: scale(1.1);
}

.music-toggle.playing {
    background-color: var(--color-accent);
    color: white;
}

.music-icon {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

/* ==========================================================================
   Animazioni: Il Movimento come Emozione
   ========================================================================== */

/* Effetti di comparsa */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Animazione per elementi rivelati */
.reveal-element {
    opacity: 0;
    transform: translateY(20px);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    will-change: opacity, transform;
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    will-change: opacity, transform;
}

.reveal-bottom {
    opacity: 0;
    transform: translateY(30px);
    will-change: opacity, transform;
}

.reveal-element.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-bottom.revealed {
    opacity: 1;
    transform: translate(0);
    transition: opacity 1.2s cubic-bezier(0.26, 1, 0.48, 1), 
                transform 1.2s cubic-bezier(0.26, 1, 0.48, 1);
}

/* Perfezionamento specifico per la sezione Berlino */
/* Sistema di presentazione fotografica ottimizzato per la sezione Berlino */
.berlin-memory {
    opacity: 1;
    transform: translateX(0);
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1),
                opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.berlin-images {
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: perspective(1000px) rotateY(0) rotateX(0);
    transition: all 0.7s cubic-bezier(0.2, 1, 0.3, 1);
}

.berlin-images:hover {
    transform: perspective(1000px) rotateY(-1deg) rotateX(1deg);
    box-shadow: 0 16px 40px rgba(0,0,0,0.16);
}

.berlin-image-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
}

.berlin-image-primary img {
    transition: transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.berlin-image-primary:hover img {
    transform: scale(1.05);
}

.berlin-image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 8px;
    background-color: var(--color-light);
}

.berlin-image-small {
    height: 100px;
    overflow: hidden;
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.berlin-image-small::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.2);
    opacity: 1;
    transition: opacity 0.3s ease;
}

.berlin-image-small:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.berlin-image-small:hover::after {
    opacity: 0;
}

.berlin-image-small.active::after {
    opacity: 0;
}

.berlin-image-small.active {
    box-shadow: 0 0 0 2px var(--color-accent);
}

/* ==========================================================================
   Responsive: Esperienza Coerente su Tutti i Dispositivi
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --spacing-xl: 4rem;
    }
    
    .about-grid {
        grid-gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .nav-container {
        padding: 0.8rem 1rem;
    }
    
    .hamburger-menu {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-paper);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem;
        transition: right var(--transition-medium);
        box-shadow: var(--shadow-hard);
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .about-grid,
    .berlin-container {
        grid-template-columns: 1fr;
    }
    
    .moment-card,
    .moment-card.reverse {
        flex-direction: column;
    }
    
    .moment-image {
        height: 250px;
    }
    
    .family-photo-cluster {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(10, 40px);
    }
    
    .family-portrait.root {
        grid-column: 2 / span 4;
        grid-row: 1 / span 3;
    }
    
    .family-portrait.branch:nth-of-type(2) {
        grid-column: 1 / span 3;
        grid-row: 4 / span 2;
    }
    
    .family-portrait.branch:nth-of-type(3) {
        grid-column: 4 / span 3;
        grid-row: 4 / span 2;
    }
    
    .family-portrait.leaf:nth-of-type(4) {
        grid-column: 1 / span 2;
        grid-row: 7 / span 2;
    }
    
    .family-portrait.leaf:nth-of-type(5) {
        grid-column: 4 / span 2;
        grid-row: 7 / span 2;
    }
    
    .timeline::after {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
        text-align: left;
    }
    
    .timeline-left::after {
        left: 20px;
        right: auto;
    }
    
    .timeline-right::after {
        left: 20px;
    }
    
    .timeline-left,
    .timeline-right {
        left: 0;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
    }
    
    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .birthday-badge {
        font-size: 1.4rem;
        padding: 0.4rem 1.5rem;
    }
    
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .gallery-category {
        white-space: nowrap;
    }
    
    .wishes-container {
        flex-direction: column;
    }
}

/* Effetti Confetti per Celebrazione */
.confetti-piece {
    position: absolute;
    top: -20px;
    width: 10px;
    height: 10px;
    background-color: var(--color-gold);
    opacity: 0.8;
    animation: confettiDrop linear infinite;
    z-index: 1;
}

.confetti-circle {
    border-radius: 50%;
}

.confetti-square {
    border-radius: 2px;
}

.confetti-triangle {
    width: 0;
    height: 0;
    background-color: transparent !important;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 15px solid;
    border-bottom-color: inherit;
}

@keyframes confettiDrop {
    0% {
        top: -20px;
        transform: rotate(0deg) translateX(0);
    }
    25% {
        transform: rotate(90deg) translateX(15px);
    }
    50% {
        transform: rotate(180deg) translateX(0);
    }
    75% {
        transform: rotate(270deg) translateX(-15px);
    }
    100% {
        top: 100%;
        transform: rotate(360deg) translateX(0);
    }
}