/* =========================================================================

   BISTAMPA 5.0 - LABORATORIO TECNICO DI STAMPA PER AZIENDE

   DESIGN SYSTEM & STYLESHEET

   ========================================================================= */



:root {

    /* Color Palette - Premium B2B */

    --bg-dark: #0B0B0D;

    /* Nero profondo opaco */

    --bg-gray: #2A2A2E;

    /* Grigio antracite */

    --bg-darker: #050506;

    /* Ultra dark per sezioni alternate */

    --primary-blue: #1E3A8A;

    /* Blu royal intenso */

    --accent-blue: #2563EB;

    /* Blu elettrico accento (Call to Actions) */

    --accent-hover: #1D4ED8;

    /* Blu elettrico dark */

    --text-light: #F5F5F5;

    /* Bianco caldo principale */

    --text-muted: #A1A1AA;

    /* Grigio chiaro per testi secondari */

    --border-color: rgba(255, 255, 255, 0.1);



    /* Typography */

    --font-heading: 'Montserrat', sans-serif;

    --font-body: 'Poppins', sans-serif;



    /* Layout & Spacing */

    --container-max-width: 1200px;

    --section-padding: 6rem 1rem;

    --border-radius-sm: 4px;

    --border-radius-md: 8px;

    --border-radius-lg: 12px;



    /* Shadows & Effects */

    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.5);

    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);

    --transition-fast: 0.2s ease;

    --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);

}



/* =========================================================================

   BASE STYLES

   ========================================================================= */

* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



html {

    scroll-behavior: smooth;

    font-size: 16px;

}



body {

    font-family: var(--font-body);

    background-color: var(--bg-dark);

    color: var(--text-light);

    line-height: 1.6;

    overflow-x: hidden;

    -webkit-font-smoothing: antialiased;

    -moz-osx-font-smoothing: grayscale;

}



/* Typography Base */

h1,

h2,

h3,

h4,

h5,

h6 {

    font-family: var(--font-heading);

    font-weight: 700;

    line-height: 1.2;

    margin-bottom: 1rem;

    color: var(--text-light);

}



a {

    color: var(--text-light);

    text-decoration: none;

    transition: color var(--transition-fast);

}



a:hover {

    color: var(--accent-blue);

}



ul {

    list-style: none;

}



strong,

b {

    font-weight: 600;

}



/* Utilities */

.container {

    width: 100%;

    max-width: var(--container-max-width);

    margin: 0 auto;

    padding: 0 1.5rem;

}



.section {

    padding: var(--section-padding);

}



.bg-alternate {

    background-color: var(--bg-darker);

}



.bg-darker {

    background-color: rgba(0, 0, 0, 0.3);

}



.text-accent {

    color: var(--accent-blue);

}



.text-sm {

    font-size: 0.875rem;

}



.mb-2 {

    margin-bottom: 0.5rem;

}



.mb-4 {

    margin-bottom: 1.5rem;

}



.mt-4 {

    margin-top: 1.5rem;

}



.p-3 {

    padding: 1rem;

}



.center {

    text-align: center;

}



.badge {

    display: inline-block;

    padding: 0.25rem 0.75rem;

    background-color: rgba(37, 99, 235, 0.2);

    color: var(--accent-blue);

    font-family: var(--font-heading);

    font-size: 0.75rem;

    font-weight: 700;

    letter-spacing: 1px;

    text-transform: uppercase;

    border-radius: var(--border-radius-sm);

    margin-bottom: 1rem;

    border: 1px solid rgba(37, 99, 235, 0.3);

}



.section-title {

    font-size: 2.5rem;

    margin-bottom: 0.5rem;

}



.section-subtitle {

    font-size: 1.125rem;

    color: var(--text-muted);

    max-width: 600px;

    margin: 1rem auto 3rem;

    font-weight: 300;

}



.title-underline {

    height: 3px;

    width: 60px;

    background-color: var(--accent-blue);

    margin-bottom: 2rem;

}



.title-underline.center {

    margin-left: auto;

    margin-right: auto;

}



/* Buttons */

.btn {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 0.75rem 1.5rem;

    font-family: var(--font-heading);

    font-weight: 600;

    font-size: 0.875rem;

    border-radius: var(--border-radius-sm);

    transition: all var(--transition-fast);

    cursor: pointer;

    border: none;

    gap: 0.5rem;

}



.btn-primary {

    background-color: var(--accent-blue);

    color: #fff;

    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);

}



.btn-primary:hover {

    background-color: var(--accent-hover);

    color: #fff;

    transform: translateY(-2px);

    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);

}



.btn-outline {

    background-color: transparent;

    color: var(--text-light);

    border: 1px solid var(--border-color);

}



.btn-outline:hover {

    border-color: var(--text-light);

    background-color: rgba(255, 255, 255, 0.05);

}



.btn-large {

    padding: 1rem 2rem;

    font-size: 1rem;

}



.btn-full {

    width: 100%;

}



/* =========================================================================

   HEADER & NAVIGATION

   ========================================================================= */

.navbar {

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 80px;

    z-index: 1000;

    background-color: rgba(11, 11, 13, 0.9);

    backdrop-filter: blur(10px);

    border-bottom: 1px solid var(--border-color);

    transition: all var(--transition-fast);

}



.navbar.scrolled {

    height: 70px;

    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);

}



.nav-container {

    display: flex;

    justify-content: space-between;

    align-items: center;

    height: 100%;

}



.logo {

    display: flex;

    align-items: center;

}



.logo-text {

    font-family: var(--font-heading);

    font-size: 1.5rem;

    font-weight: 800;

    letter-spacing: -0.5px;

}



.logo-accent {

    color: var(--accent-blue);

}



.nav-menu {

    display: flex;

    align-items: center;

    gap: 2rem;

}



.nav-list {

    display: flex;

    gap: 2rem;

}



.nav-link {

    font-size: 0.875rem;

    font-weight: 500;

    color: var(--text-light);

    opacity: 0.8;

    position: relative;

}



.nav-link:hover,

.nav-link.active {

    opacity: 1;

    color: var(--text-light);

}



.nav-link::after {

    content: '';

    position: absolute;

    bottom: -4px;

    left: 0;

    width: 0;

    height: 2px;

    background-color: var(--accent-blue);

    transition: width var(--transition-fast);

}



.nav-link:hover::after,

.nav-link.active::after {

    width: 100%;

}



.mobile-menu-toggle {

    display: none;

    font-size: 1.5rem;

    cursor: pointer;

    color: var(--text-light);

}



/* =========================================================================

   HERO SECTION

   ========================================================================= */

.hero {

    position: relative;

    height: 100vh;

    min-height: 600px;

    display: flex;

    align-items: center;

    justify-content: center;

    padding-top: 80px;

    /* Offset for header */

}



.hero-bg-overlay {

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background: linear-gradient(135deg, rgba(11, 11, 13, 0.95) 0%, rgba(11, 11, 13, 0.7) 50%, rgba(30, 58, 138, 0.4) 100%), url('images/hero_bg.png') center/cover no-repeat;

    z-index: 1;

}



/* Dynamic background pattern for the professional look */

.hero::before {

    content: '';

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-image:

        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),

        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);

    background-size: 30px 30px;

    z-index: 0;

    opacity: 0.5;

}



.hero-container {

    position: relative;

    z-index: 2;

}



.hero-content {

    max-width: 800px;

}



.hero-title {

    font-size: 3.5rem;

    font-weight: 800;

    letter-spacing: -1px;

    margin-bottom: 1.5rem;

    line-height: 1.1;

}



.hero-subtitle {

    font-size: 1.25rem;

    color: var(--text-muted);

    margin-bottom: 2.5rem;

    font-weight: 300;

    max-width: 600px;

}



.hero-actions {

    display: flex;

    gap: 1rem;

}



.scroll-indicator {

    position: absolute;

    bottom: 2rem;

    left: 50%;

    transform: translateX(-50%);

    z-index: 2;

    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 0.5rem;

    opacity: 0.7;

    animation: bounce 2s infinite;

}



.scroll-text {

    font-size: 0.75rem;

    text-transform: uppercase;

    letter-spacing: 2px;

    font-weight: 600;

}



@keyframes bounce {



    0%,

    20%,

    50%,

    80%,

    100% {

        transform: translateY(0) translateX(-50%);

    }



    40% {

        transform: translateY(-10px) translateX(-50%);

    }



    60% {

        transform: translateY(-5px) translateX(-50%);

    }

}



/* =========================================================================

   ABOUT SECTION

   ========================================================================= */

.about-grid {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 4rem;

    align-items: center;

}



.lead-text {

    font-size: 1.5rem;

    font-weight: 500;

    margin-bottom: 1.5rem;

    line-height: 1.4;

    color: var(--text-light);

}



.highlight-text {

    border-left: 4px solid var(--accent-blue);

    padding-left: 1.5rem;

    font-style: italic;

}



.feature-list {

    margin-top: 2rem;

    display: flex;

    flex-direction: column;

    gap: 1.5rem;

}



.feature-list li {

    display: flex;

    gap: 1rem;

    align-items: flex-start;

}



.feature-list i {

    font-size: 1.5rem;

    margin-top: 0.25rem;

}



.feature-list strong {

    display: block;

    margin-bottom: 0.25rem;

    font-family: var(--font-heading);

}



.feature-list span {

    color: var(--text-muted);

    font-size: 0.9rem;

}



.about-visual {

    position: relative;

    height: 100%;

    min-height: 400px;

    border-radius: var(--border-radius-lg);

    background: linear-gradient(135deg, var(--bg-gray) 0%, var(--bg-darker) 100%);

    border: 1px solid var(--border-color);

    overflow: hidden;

    display: flex;

    align-items: center;

    justify-content: center;

    box-shadow: var(--shadow-soft);

}



/* A background texture for the "technical" feel */

.about-visual::after {

    content: '';

    position: absolute;

    top: 0;

    left: 0;

    right: 0;

    bottom: 0;

    background-image: radial-gradient(circle at center, rgba(37, 99, 235, 0.1) 0%, transparent 70%);

}



.tech-card {

    position: relative;

    z-index: 2;

    background-color: rgba(11, 11, 13, 0.8);

    backdrop-filter: blur(10px);

    border: 1px solid rgba(255, 255, 255, 0.05);

    border-radius: var(--border-radius-md);

    padding: 2rem;

    width: 80%;

}



.stats {

    display: flex;

    justify-content: space-around;

}



.stat-item {

    text-align: center;

}



.stat-number {

    display: block;

    font-family: var(--font-heading);

    font-size: 2.5rem;

    font-weight: 800;

    line-height: 1;

    margin-bottom: 0.5rem;

}



.stat-label {

    text-transform: uppercase;

    font-size: 0.75rem;

    letter-spacing: 1px;

    color: var(--text-muted);

}



/* =========================================================================

   SERVICES SECTION

   ========================================================================= */

.services-grid {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));

    gap: 2rem;

    margin-top: 3rem;

}



.service-card {

    background-color: var(--bg-dark);

    border: 1px solid var(--border-color);

    border-radius: var(--border-radius-md);

    padding: 2.5rem 2rem;

    transition: var(--transition-smooth);

    position: relative;

    overflow: hidden;

}



.service-card:hover {

    transform: translateY(-10px);

    border-color: rgba(37, 99, 235, 0.5);

    box-shadow: var(--shadow-glow);

}



.service-card::before {

    content: '';

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 4px;

    background-color: var(--border-color);

    transition: var(--transition-smooth);

}



.service-card:hover::before {

    background-color: var(--accent-blue);

}



.border-accent {

    border-color: rgba(37, 99, 235, 0.3);

}



.border-accent::before {

    background-color: var(--accent-blue);

}



.service-icon {

    font-size: 2.5rem;

    color: var(--text-light);

    margin-bottom: 1.5rem;

    opacity: 0.9;

}



.service-card:hover .service-icon {

    color: var(--accent-blue);

}



.service-title {

    font-size: 1.25rem;

    margin-bottom: 1rem;

}



.service-list {

    margin-top: 1.5rem;

}



.service-list li {

    position: relative;

    padding-left: 1.5rem;

    margin-bottom: 0.75rem;

    color: var(--text-muted);

    font-size: 0.9rem;

}



.service-list li::before {

    content: '→';

    position: absolute;

    left: 0;

    color: var(--accent-blue);

    font-family: monospace;

}



/* =========================================================================

   SECTORS (ACCORDION)

   ========================================================================= */

.accordion {

    max-width: 800px;

    margin: 0 auto;

}



.accordion-item {

    background-color: var(--bg-gray);

    border: 1px solid var(--border-color);

    border-radius: var(--border-radius-sm);

    margin-bottom: 1rem;

    overflow: hidden;

}



.accordion-header {

    width: 100%;

    text-align: left;

    background: none;

    border: none;

    padding: 1.5rem;

    display: flex;

    justify-content: space-between;

    align-items: center;

    cursor: pointer;

    color: var(--text-light);

    transition: background-color var(--transition-fast);

}



.accordion-header:hover {

    background-color: rgba(255, 255, 255, 0.02);

}



.accordion-title {

    font-family: var(--font-heading);

    font-weight: 600;

    font-size: 1.125rem;

}



.accordion-icon {

    font-size: 1.25rem;

    transition: transform 0.3s ease;

}



.accordion-item.active .accordion-icon {

    transform: rotate(45deg);

    color: var(--accent-blue);

}



.accordion-content {

    max-height: 0;

    overflow: hidden;

    transition: max-height 0.4s ease;

}



.accordion-item.active .accordion-content {

    /* Set via JS or fallback to a large enough value */

    max-height: 500px;

}



.accordion-inner {

    padding: 0 1.5rem 1.5rem;

    color: var(--text-muted);

    line-height: 1.6;

}



.accordion-inner strong {

    color: var(--text-light);

}



/* =========================================================================

   PORTFOLIO SECTION

   ========================================================================= */

.grid-layout {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

    gap: 1.5rem;

}



.portfolio-item {

    position: relative;

    height: 300px;

    border-radius: var(--border-radius-md);

    overflow: hidden;

    cursor: pointer;

    background-color: var(--bg-gray);

}



.portfolio-img-placeholder {

    width: 100%;

    height: 100%;

    background-position: center;

    background-size: cover;

    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);

}



#portfolio-img-1 {

    background-image: url('images/portfolio_uv.png');

}



#portfolio-img-2 {

    background-image: url('images/portfolio_packaging.png');

}



#portfolio-img-3 {

    background-image: url('images/portfolio_industrial.png');

}



#portfolio-img-4 {

    background-image: url('images/portfolio_nfc.png');

}



/* We'll use JS to assign background images once generated */



.portfolio-item:hover .portfolio-img-placeholder {

    transform: scale(1.05);

}



.portfolio-overlay {

    position: absolute;

    top: 0;

    left: 0;

    right: 0;

    bottom: 0;

    background: linear-gradient(to top, rgba(11, 11, 13, 0.9) 0%, rgba(11, 11, 13, 0.2) 60%, transparent 100%);

    display: flex;

    flex-direction: column;

    justify-content: flex-end;

    padding: 2rem;

    opacity: 0;

    transition: opacity 0.3s ease;

}



.portfolio-item:hover .portfolio-overlay {

    opacity: 1;

}



.portfolio-overlay h4 {

    font-size: 1.25rem;

    margin-bottom: 0.25rem;

    transform: translateY(20px);

    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);

}



.portfolio-overlay p {

    color: var(--accent-blue);

    font-size: 0.875rem;

    font-weight: 500;

    text-transform: uppercase;

    letter-spacing: 1px;

    transform: translateY(20px);

    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) 0.1s;

}



.portfolio-item:hover .portfolio-overlay h4,

.portfolio-item:hover .portfolio-overlay p {

    transform: translateY(0);

}



/* =========================================================================

   CONTACT SECTION

   ========================================================================= */

.contact-grid {

    display: grid;

    grid-template-columns: 1fr 1.5fr;

    gap: 4rem;

}



.info-card {

    display: flex;

    gap: 1rem;

    align-items: flex-start;

    margin-bottom: 1.5rem;

}



.info-card i {

    font-size: 1.5rem;

    margin-top: 0.25rem;

}



.info-card h4 {

    font-family: var(--font-body);

    font-size: 1rem;

    margin-bottom: 0.25rem;

}



.info-card p {

    color: var(--text-muted);

    margin: 0;

}



.border-left-accent {

    border-left: 3px solid var(--accent-blue);

    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;

}



/* Form Styles */

.contact-form {

    background-color: var(--bg-gray);

    padding: 3rem;

    border-radius: var(--border-radius-md);

    border: 1px solid var(--border-color);

}



.form-group {

    margin-bottom: 1.5rem;

}



.form-row {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 1.5rem;

}



label {

    display: block;

    margin-bottom: 0.5rem;

    font-size: 0.875rem;

    font-weight: 500;

    color: var(--text-muted);

}



input,

select,

textarea {

    width: 100%;

    padding: 1rem;

    background-color: var(--bg-dark);

    border: 1px solid var(--border-color);

    border-radius: var(--border-radius-sm);

    color: var(--text-light);

    font-family: var(--font-body);

    font-size: 1rem;

    transition: border-color var(--transition-fast);

}



input:focus,

select:focus,

textarea:focus {

    outline: none;

    border-color: var(--accent-blue);

}



input::placeholder,

textarea::placeholder {

    color: #4B4B52;

}



.select-wrapper {

    position: relative;

}



.select-wrapper select {

    appearance: none;

    -webkit-appearance: none;

    padding-right: 3rem;

    cursor: pointer;

}



.select-icon {

    position: absolute;

    right: 1rem;

    top: 50%;

    transform: translateY(-50%);

    pointer-events: none;

    color: var(--text-muted);

}



/* =========================================================================

   FOOTER

   ========================================================================= */

.footer {

    background-color: var(--bg-darker);

    border-top: 1px solid var(--border-color);

    padding: 4rem 0 2rem;

}



.footer-top {

    display: grid;

    grid-template-columns: 2fr 1fr 1fr;

    gap: 2rem;

    margin-bottom: 3rem;

}



.tagline {

    color: var(--text-muted);

    font-size: 0.9rem;

    margin-top: 0.5rem;

}



.footer-links h4 {

    font-size: 1.1rem;

    margin-bottom: 1.5rem;

}



.footer-links ul {

    display: flex;

    flex-direction: column;

    gap: 0.75rem;

}



.footer-links a,

.footer-links li {

    color: var(--text-muted);

    font-size: 0.9rem;

    transition: color var(--transition-fast);

}



.footer-links a:hover {

    color: var(--accent-blue);

}



.footer-bottom {

    text-align: center;

    padding-top: 2rem;

    border-top: 1px solid rgba(255, 255, 255, 0.05);

    color: var(--text-muted);

    font-size: 0.875rem;

}



.footer-bottom a {

    color: var(--text-muted);

    text-decoration: underline;

}



/* =========================================================================

   ANIMATIONS & EFFECTS

   ========================================================================= */

.fade-up-section {

    opacity: 0;

    transform: translateY(30px);

    transition: opacity 0.8s ease, transform 0.8s ease;

}



.fade-up-section.visible {

    opacity: 1;

    transform: translateY(0);

}



.fade-up {

    opacity: 0;

    transform: translateY(20px);

    animation: fadeUpAnim 0.8s ease forwards;

}



.delay-1 {

    animation-delay: 0.2s;

}



.delay-2 {

    animation-delay: 0.4s;

}



.delay-3 {

    animation-delay: 0.6s;

}



.delay-4 {

    animation-delay: 0.8s;

}



@keyframes fadeUpAnim {

    to {

        opacity: 1;

        transform: translateY(0);

    }

}



/* =========================================================================

   RESPONSIVE DESIGN

   ========================================================================= */

@media (max-width: 992px) {



    .about-grid,

    .contact-grid {

        grid-template-columns: 1fr;

    }



    .hero-title {

        font-size: 2.75rem;

    }



    .footer-top {

        grid-template-columns: 1fr;

        gap: 2rem;

    }

}



@media (max-width: 768px) {

    .section {

        padding: 4rem 1rem;

    }



    .mobile-menu-toggle {

        display: block;

    }



    .nav-menu {

        position: fixed;

        top: 80px;

        left: -100%;

        width: 100%;

        height: calc(100vh - 80px);

        background-color: var(--bg-dark);

        flex-direction: column;

        justify-content: center;

        align-items: center;

        transition: left 0.3s ease;

    }



    .nav-menu.active {

        left: 0;

    }



    .nav-list {

        flex-direction: column;

        text-align: center;

    }



    .nav-link {

        font-size: 1.25rem;

    }



    .hero-title {

        font-size: 2.25rem;

    }



    .hero-actions {

        flex-direction: column;

    }



    .form-row {

        grid-template-columns: 1fr;

    }



    .contact-form {

        padding: 1.5rem;

    }

}