/* ===================================
   Bruno Pedroni - Modern Design System
   =================================== */

/* CSS Variables - Color Palette */
:root {
    /* Primary Colors - Bruno Pedroni Official */
    --color-primary: #4a4a4a;        /* Grigio scuro */
    --color-secondary: #8B3434;      /* Bordeaux intenso */
    --color-accent: #A54545;         /* Bordeaux medio */
    --color-burgundy: #6B2424;       /* Bordeaux scuro */
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-off-white: #fafafa;
    --color-light-gray: #e8e8e8;     /* Grigio chiaro */
    --color-gray: #d0d0d0;
    --color-medium-gray: #7a7a7a;
    --color-dark-gray: #4a4a4a;      /* Grigio scuro */
    
    /* Text Colors */
    --text-primary: #4a4a4a;         /* Grigio scuro */
    --text-secondary: #6a6a6a;
    --text-light: #9a9a9a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
}

/* ===================================
   Container & Layout
   =================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-gray);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
    background-color: #ffffff;
    padding: 5px 10px;
    border-radius: 4px;
}

.logo-text {
    display: inline-block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    height: 2px;
    background-color: var(--color-secondary);
}

.nav-link-cta {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xs) 1.5rem;
    border-radius: 50px;
}

.nav-link-cta:hover {
    background-color: var(--color-sage);
    color: var(--color-white);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: zoomIn 8s ease-out forwards;
    /* Miglioramenti qualità immagine */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: contrast(1.05) brightness(1.02);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

@keyframes zoomIn {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(74, 74, 74, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: 0.875rem;
    opacity: 0.8;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Fade-in animations */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

.fade-in-delay {
    animation: fadeIn 1s ease 0.3s forwards;
    opacity: 0;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.05rem;
}

/* ===================================
   Introduction Section
   =================================== */

.intro-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-off-white);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.intro-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-item {
    text-align: center;
}

.value-item i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.value-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ===================================
   Brands Section
   =================================== */

.brands-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-alt {
    background-color: var(--color-light-gray);
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.brands-grid-materials {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.brand-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

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

.brand-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

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

.brand-card:hover .brand-image img {
    transform: scale(1.05);
}

.brand-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: var(--spacing-sm);
}

.brand-category {
    background-color: rgba(139, 52, 52, 0.6);
    color: var(--color-white);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    backdrop-filter: blur(4px);
    transition: all var(--transition-fast);
}

.brand-card:hover .brand-category {
    background-color: rgba(139, 52, 52, 0.8);
    transform: scale(1.05);
}

.brand-info {
    padding: var(--spacing-md);
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.brand-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Brand Card as Link */
a.brand-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

a.brand-card:hover {
    text-decoration: none;
}

.brand-link-arrow {
    display: inline-block;
    margin-top: 10px;
    color: var(--color-secondary);
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

a.brand-card:hover .brand-link-arrow {
    transform: translateX(5px);
}

/* Brand Button */
.brand-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.brand-button:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(155, 68, 68, 0.3);
}

/* Brand Link (wraps image + info) */
.brand-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.brand-link:hover {
    text-decoration: none;
}

/* Brand Actions (NASCOSTO - non più usato con overlay) */
.brand-actions {
    display: none;
}

/* Brand Link Hover Overlay */
.brand-link {
    position: relative;
}

.brand-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 280px;
    background: rgba(139, 52, 52, 0.85);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
    pointer-events: none;
}

.brand-link::after {
    content: 'Visita il sito →';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 3;
    pointer-events: none;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.brand-link:hover::before {
    opacity: 1;
}

.brand-link:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-burgundy) 100%);
    color: var(--color-white);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
}

.cta-section .btn {
    background-color: var(--color-white);
    color: var(--color-secondary);
}

.cta-section .btn:hover {
    background-color: var(--color-dark-gray);
    color: var(--color-white);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.85;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    font-size: 0.95rem;
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    opacity: 0.85;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        min-width: 200px;
    }
    
    .brands-grid,
    .brands-grid-materials {
        grid-template-columns: 1fr;
    }
    
    .intro-values {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .intro-values {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* ===================================
   Utility Classes
   =================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* ===================================
   Print Styles
   =================================== */

@media print {
    .navbar,
    .footer,
    .cta-section,
    .scroll-indicator {
        display: none;
    }
}