/* ============================
   CSS Variables & Reset - Persona 5 Style
   ============================ */
:root {
    /* Colori più morbidi per ridurre l'affaticamento visivo */
    --primary-color: #e63946;
    --primary-hover: #c1121f;
    --accent-color: #e63946;
    --bg-primary: #121214;
    --bg-secondary: #1a1a1e;
    --text-primary: #f1f1f1;
    --text-secondary: #a0a0a0;
    --text-muted: #6b6b6b;
    --border-color: #2a2a2e;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Focus ring per accessibilità */
    --focus-ring: 0 0 0 3px rgba(230, 57, 70, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    /* Migliora la leggibilità del testo */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* Focus states per accessibilità da tastiera */
a:focus-visible,
button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* Skip link per accessibilità */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    z-index: 9999;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Riduce animazioni per utenti che le preferiscono ridotte */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================
   Container
   ============================ */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================
   Accent Color
   ============================ */
.accent {
    color: var(--primary-color);
}

/* ============================
   Hero Section - Chi Sono
   ============================ */
.hero {
    padding: 6rem 0 4rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.hero-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
    line-height: 1.9;
    letter-spacing: 0.01em;
}

.typing-text {
    color: var(--primary-color);
    font-weight: 600;
}

.typing-cursor {
    color: var(--primary-color);
    font-weight: 300;
    animation: blink 1s ease-in-out infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 45% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* ============================
   Social Links
   ============================ */
.social-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.social-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Responsive: stack groups on mobile */
@media (max-width: 640px) {
    .social-links {
        gap: 1rem;
    }
    
    .social-group {
        gap: 0.5rem;
    }
}

/* ============================
   Projects Section
   ============================ */
.projects {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
}

/* ============================
   Project Menu - Persona 5 Style
   ============================ */
.project-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.project-item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    overflow: hidden;
    background: var(--bg-secondary);
    border-left: 4px solid transparent;
    border-radius: 0 4px 4px 0;
    transition: all var(--transition-normal);
}

.project-item:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.project-item-bg {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transform: skewX(-15deg);
    transition: all var(--transition-normal);
    z-index: 0;
}

.project-item:hover .project-item-bg {
    left: -5%;
}

.project-item:hover {
    border-left-color: var(--primary-color);
}

.project-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-right: 1.5rem;
    z-index: 1;
    transition: color var(--transition-normal);
    font-family: monospace;
}

.project-item:hover .project-number {
    color: var(--text-primary);
}

.project-name {
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
    flex: 1;
    transition: transform var(--transition-normal);
}

.project-item:hover .project-name {
    transform: translateX(10px);
}

.project-arrow {
    font-size: 1.5rem;
    font-weight: 700;
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition-normal);
    z-index: 1;
}

.project-item:hover .project-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ============================
   Project Modal
   ============================ */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border: 2px solid var(--primary-color);
    overflow-y: auto;
    transform: scale(0.8) rotate(-5deg);
    opacity: 0;
    transition: all var(--transition-bounce);
}

.project-modal.active .modal-content {
    transform: scale(1) rotate(0);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-normal);
}

.modal-close:hover {
    transform: rotate(90deg);
    background: var(--primary-hover);
}

.modal-close:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.modal-image {
    width: 100%;
    height: 250px;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    position: relative;
    margin: 1.5rem;
    margin-bottom: 0;
    width: calc(100% - 3rem);
    border: 3px solid var(--primary-color);
}

/* Triangolo taglio in alto a sinistra */
.modal-image::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 40px 40px 0 0;
    border-color: var(--bg-secondary) transparent transparent transparent;
    z-index: 2;
}

/* Triangolo taglio in basso a destra */
.modal-image::after {
    content: '';
    position: absolute;
    bottom: -3px;
    right: -3px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 40px 40px;
    border-color: transparent transparent var(--bg-secondary) transparent;
    z-index: 2;
}

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

.modal-image img[src=""] {
    display: none;
}

.modal-image:has(img[src=""]) {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

.modal-info {
    padding: 2rem;
}

.modal-title {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.modal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.modal-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-normal);
}

.modal-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.modal-link svg {
    width: 20px;
    height: 20px;
}

.modal-link.coming-soon {
    background: var(--border-color);
    border-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.modal-link.coming-soon:hover {
    background: var(--border-color);
    transform: none;
}

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

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    letter-spacing: 0.02em;
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero {
        padding: 4rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .social-links {
        flex-direction: column;
    }
    
    .social-link {
        justify-content: center;
    }
    
    .project-item {
        padding: 1rem 1.25rem;
    }
    
    .project-name {
        font-size: 1rem;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-title {
        font-size: 1.5rem;
    }
    
    .modal-links {
        flex-direction: column;
    }
    
    .modal-link {
        width: 100%;
        justify-content: center;
    }
}