/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
    /* Palette Colori */
    --color-bg: #FAF9F6; /* Bianco caldo */
    --color-bg-alt: #F2F0EB;
    --color-text-main: #1A1A1A; /* Nero antracite */
    --color-text-muted: #5A5A5A; /* Grigi premium */
    --color-accent: #C5A059; /* Champagne/Oro delicato */
    --color-accent-light: rgba(197, 160, 89, 0.12);

    /* Tipografia */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spaziature */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 2px;
}

/* ==========================================================================
   Reset & 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(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 620px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    font-style: italic;
    font-family: var(--font-heading);
}

.section-subtitle--light {
    color: rgba(250, 249, 246, 0.6);
}

/* ==========================================================================
   Layout & Utilities
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

.bg-dark {
    background-color: var(--color-text-main);
    color: var(--color-bg);
}

.text-light {
    color: var(--color-bg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-text-main);
    color: var(--color-bg);
    border: 1px solid var(--color-text-main);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-text-main);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-text-main);
}

.btn-outline:hover {
    background-color: var(--color-text-main);
    color: var(--color-bg);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-bg);
    border: 1px solid rgba(250, 249, 246, 0.4);
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-lg);
}

.btn-outline-light:hover {
    background-color: rgba(250, 249, 246, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.25rem 0;
    background-color: rgba(250, 249, 246, 0.97);
    backdrop-filter: blur(12px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 0.85rem 0;
    border-bottom-color: rgba(26, 26, 26, 0.06);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

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

.nav-link--lucina {
    color: var(--color-accent) !important;
    opacity: 0.8;
}

.nav-link--lucina:hover {
    opacity: 1;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-monogram {
    height: 90px;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: -1px;
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 460px;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
    font-family: var(--font-heading);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    width: 100%;

    overflow: hidden;
    position: relative;
    border: 1px solid rgba(26, 26, 26, 0.1);
    box-shadow: 20px 20px 0px var(--color-bg-alt);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(10%) contrast(1.05);
    transition: transform 1s ease;
}

.hero-image:hover img {
    transform: scale(1.02);
}

/* ==========================================================================
   Chi Sono Section
   ========================================================================== */
.about {
    background-color: var(--color-bg-alt);
}

.about-container {
    max-width: 760px;
}

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

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

.about-text p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.about-closing {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-main) !important;
    line-height: 1.8;
    border-top: 1px solid rgba(26, 26, 26, 0.1);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* ==========================================================================
   Values Section
   ========================================================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.value-block {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(26, 26, 26, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.value-block .icon {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.value-block h3 {
    font-size: 1rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.value-block p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ==========================================================================
   Ecosystem Section
   ========================================================================== */
.companies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.company-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md);
    background-color: #fff;
    border: 1px solid rgba(26, 26, 26, 0.06);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    color: var(--color-text-main);
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
}

/* Card speciale Lucina */
.company-card--lucina {
    border-color: var(--color-accent);
    border-width: 1.5px;
    background: linear-gradient(145deg, #fff 60%, rgba(197, 160, 89, 0.04) 100%);
    box-shadow: 0 4px 24px rgba(197, 160, 89, 0.08);
}

.company-card--lucina:hover {
    box-shadow: 0 12px 40px rgba(197, 160, 89, 0.15);
}

.lucina-label {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-accent);
    font-family: var(--font-body);
    font-weight: 500;
    border: 1px solid var(--color-accent);
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
}

.company-logo {
    width: auto;
    height: 50px;
    margin-bottom: var(--spacing-md);
    object-fit: contain;
}

.company-name {
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.company-desc {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    line-height: 1.65;
}

/* ==========================================================================
   Focus Section
   ========================================================================== */
.focus-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.focus-tag {
    font-family: var(--font-heading);
    font-size: clamp(0.95rem, 1.3vw, 1.2rem);
    font-style: italic;
    padding: 0.6rem var(--spacing-md);
    border: 1px solid rgba(26, 26, 26, 0.2);
    border-radius: 100px;
    transition: all 0.3s ease;
    color: var(--color-text-muted);
}

.focus-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   Lucina Section
   ========================================================================== */
.lucina-section {
    background-color: var(--color-bg);
    overflow: hidden;
    position: relative;
}

.lucina-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
    opacity: 0.4;
}

.lucina-container {
    max-width: 1000px;
}

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

.lucina-logo {
    height: 80px;
    margin: 0 auto var(--spacing-md);
    object-fit: contain;
}

.lucina-subtitle {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-accent);
    letter-spacing: 1px;
    margin-top: var(--spacing-xs);
}

.lucina-body {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.lucina-text p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.lucina-impact {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-left: 2px solid var(--color-accent);
}

.impact-item {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-main);
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.07);
    line-height: 1.4;
}

.impact-item:last-child {
    border-bottom: none;
}

.lucina-closing {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.lucina-bridge {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.lucina-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-style: italic;
    font-weight: 400;
    color: var(--color-text-main);
    line-height: 1.5;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
    background: var(--color-bg-alt);
}

.lucina-quote::before {
    content: '\201C';
    font-size: 5rem;
    color: var(--color-accent);
    opacity: 0.25;
    position: absolute;
    top: -1rem;
    left: var(--spacing-md);
    font-family: var(--font-heading);
    line-height: 1;
}

.lucina-quote em {
    color: var(--color-accent);
    font-style: italic;
}

/* ==========================================================================
   Footer / Contatti
   ========================================================================== */
.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    max-width: 700px;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    color: var(--color-bg);
}

.footer-intro {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-style: italic;
    color: rgba(250, 249, 246, 0.55);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    line-height: 1.7;
}

.contact-links {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(250, 249, 246, 0.7);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    width: 100%;
    border-top: 1px solid rgba(250, 249, 246, 0.1);
    color: rgba(250, 249, 246, 0.35);
    font-size: 0.8rem;
    text-align: center;
}

.footer-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: rgba(250, 249, 246, 0.7);
    margin-bottom: 0.25rem;
}

.footer-role {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.footer-site {
    font-size: 0.75rem;
    color: var(--color-accent);
    opacity: 0.7;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-monogram {
        margin: 0 auto var(--spacing-md);
    }

    .hero-text {
        margin: 0 auto var(--spacing-lg);
    }

    .hero-ctas {
        justify-content: center;
    }

    .hero-image {
        height: 60vh;
        box-shadow: 10px 10px 0px var(--color-bg-alt);
    }

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

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

    .about-header .section-title {
        text-align: center;
    }

    .about-body {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .lucina-body {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.9rem 0;
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .hero {
        padding-top: 10rem;
    }

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

    .contact-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }

    .about-pullquote {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .lucina-quote {
        padding: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .values-grid {
        grid-template-columns: 1fr;
    }

    .focus-tag {
        font-size: 1rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
}