/* =============================================
   SEOGE.IT — Design System
   SEO e AI Optimization Genova
   ============================================= */

/* --- Custom Properties --- */
:root {
    /* Colors — Genova Palette */
    --blu-mare: #0A1628;
    --blu-mare-rgb: 10, 22, 40;
    --azzurro: #2E86AB;
    --azzurro-rgb: 46, 134, 171;
    --oro: #D4A843;
    --oro-rgb: 212, 168, 67;
    --grigio: #4A5568;
    --grigio-rgb: 74, 85, 104;
    --bianco: #F7F8FA;
    --bianco-rgb: 247, 248, 250;
    --corallo: #E8654A;
    --corallo-rgb: 232, 101, 74;

    /* Extended */
    --blu-chiaro: #1A2D4A;
    --blu-medio: #132238;
    --grigio-chiaro: #94A3B8;
    --grigio-bordino: #E2E8F0;
    --bg-card: #FFFFFF;
    --bg-section-alt: #F0F2F5;
    --testo-body: #334155;
    --testo-heading: var(--blu-mare);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 12px 32px rgba(46,134,171,0.15);

    /* Typography */
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.25rem;
    --fs-hero: clamp(2.5rem, 5vw, 4rem);
    --lh-tight: 1.15;
    --lh-snug: 1.3;
    --lh-normal: 1.65;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-section: clamp(4rem, 8vw, 7rem);

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-wide: 1400px;
    --nav-height: 72px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-base: 0.3s var(--ease-out);
    --transition-slow: 0.5s var(--ease-out);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-height) + 1rem); }
body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: var(--testo-body);
    background: var(--bianco);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--azzurro); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--oro); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--testo-heading); line-height: var(--lh-tight); }
h1 { font-size: var(--fs-hero); margin-bottom: var(--space-lg); }
h2 { font-size: var(--fs-3xl); margin-bottom: var(--space-lg); }
h3 { font-size: var(--fs-xl); margin-bottom: var(--space-md); }
h4 { font-size: var(--fs-lg); margin-bottom: var(--space-sm); }
p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }
strong { font-weight: 700; }
.text-gradient {
    background: linear-gradient(135deg, var(--azzurro), var(--oro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-accent { color: var(--oro); }
.text-azzurro { color: var(--azzurro); }
.lead { font-size: var(--fs-md); color: var(--grigio); line-height: var(--lh-normal); }
.eyebrow {
    font-size: var(--fs-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--azzurro);
    margin-bottom: var(--space-sm);
    display: block;
}

/* --- Layout --- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }
.section { padding: var(--space-section) 0; }
.section--dark {
    background: var(--blu-mare);
    color: var(--bianco);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--bianco); }
.section--dark p, .section--dark .lead { color: var(--grigio-chiaro); }
.section--dark .eyebrow { color: var(--oro); }
.section--alt { background: var(--bg-section-alt); }
.section--gradient {
    background: linear-gradient(180deg, var(--blu-mare) 0%, var(--blu-chiaro) 100%);
    color: var(--bianco);
}
.section--gradient h2, .section--gradient h3 { color: var(--bianco); }
.section--gradient p { color: var(--grigio-chiaro); }
.grid { display: grid; gap: var(--space-xl); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.text-center { text-align: center; }

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: background var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    align-items: center;
}
.navbar--scrolled {
    background: rgba(10, 22, 40, 0.92);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 12px rgba(0,0,0,0.2);
}
.navbar--top {
    background: transparent;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 1.5rem;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--bianco);
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    z-index: 1001;
}
.nav-logo svg { width: 36px; height: auto; }
.nav-logo span { color: var(--oro); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-links a {
    color: rgba(255,255,255,0.8);
    font-size: var(--fs-sm);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}
.nav-links a:hover { color: var(--bianco); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--oro); }
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
    color: rgba(255,255,255,0.8);
    font-size: var(--fs-sm);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: color var(--transition-fast), background var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
}
.nav-dropdown-toggle:hover { color: var(--bianco); background: rgba(255,255,255,0.08); }
.nav-dropdown-toggle svg { width: 14px; height: 14px; transition: transform var(--transition-fast); }
.nav-dropdown:hover .nav-dropdown-toggle svg { transform: rotate(180deg); }
.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    background: var(--blu-mare);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
    display: block;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.7);
}
.nav-dropdown-menu a:hover {
    background: rgba(46,134,171,0.15);
    color: var(--bianco);
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem !important;
    background: var(--oro) !important;
    color: var(--blu-mare) !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 700 !important;
    font-size: var(--fs-sm) !important;
    transition: background var(--transition-fast), transform var(--transition-fast) !important;
}
.nav-cta:hover { background: #c49a38 !important; transform: translateY(-1px); color: var(--blu-mare) !important; }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--bianco);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: calc(var(--nav-height) + 2rem) 1.5rem 2rem;
    overflow-y: auto;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.mobile-menu.active { display: flex; flex-direction: column; opacity: 1; }
.mobile-menu a {
    display: block;
    color: var(--bianco);
    font-size: var(--fs-lg);
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu a:hover { color: var(--oro); }
.mobile-menu .mobile-submenu a {
    padding-left: 1.25rem;
    font-size: var(--fs-base);
    color: var(--grigio-chiaro);
}
.mobile-menu-label {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--grigio);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
}

/* --- Hero Sections --- */
.hero {
    position: relative;
    padding: calc(var(--nav-height) + 4rem) 0 var(--space-4xl);
    background: var(--blu-mare);
    color: var(--bianco);
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}
.hero--home { min-height: 90vh; }
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 70% 30%, rgba(46,134,171,0.2) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 20% 70%, rgba(212,168,67,0.1) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(10,22,40,0.5) 0%, transparent 100%);
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(46,134,171,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46,134,171,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}
.hero-content { position: relative; z-index: 1; }
.hero h1 { color: var(--bianco); max-width: 720px; }
.hero .lead { color: var(--grigio-chiaro); max-width: 600px; font-size: var(--fs-lg); }
.hero-page { min-height: auto; padding: calc(var(--nav-height) + 3rem) 0 3rem; }
.hero-page h1 { font-size: clamp(2rem, 4vw, 3rem); }

/* Wave separator */
.wave-separator {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 2;
}
.wave-separator svg { display: block; width: 100%; height: auto; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: var(--fs-base);
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    line-height: 1.2;
}
.btn--primary {
    background: var(--azzurro);
    color: var(--bianco);
    border-color: var(--azzurro);
}
.btn--primary:hover {
    background: #247A9E;
    border-color: #247A9E;
    color: var(--bianco);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46,134,171,0.3);
}
.btn--gold {
    background: var(--oro);
    color: var(--blu-mare);
    border-color: var(--oro);
}
.btn--gold:hover {
    background: #c49a38;
    border-color: #c49a38;
    color: var(--blu-mare);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212,168,67,0.3);
}
.btn--outline {
    background: transparent;
    color: var(--azzurro);
    border-color: var(--azzurro);
}
.btn--outline:hover {
    background: var(--azzurro);
    color: var(--bianco);
    transform: translateY(-2px);
}
.btn--outline-white {
    background: transparent;
    color: var(--bianco);
    border-color: rgba(255,255,255,0.3);
}
.btn--outline-white:hover {
    background: var(--bianco);
    color: var(--blu-mare);
    border-color: var(--bianco);
    transform: translateY(-2px);
}
.btn--sm { padding: 0.625rem 1.25rem; font-size: var(--fs-sm); }
.btn--lg { padding: 1rem 2.25rem; font-size: var(--fs-md); }
.btn svg { width: 18px; height: 18px; }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-md); }

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--grigio-bordino);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--azzurro);
}
.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, rgba(46,134,171,0.1), rgba(212,168,67,0.1));
}
.card-icon svg { width: 28px; height: 28px; color: var(--azzurro); }
.card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-sm); }
.card p { color: var(--grigio); font-size: var(--fs-sm); }
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 700;
    font-size: var(--fs-sm);
    color: var(--azzurro);
    margin-top: var(--space-md);
}
.card-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.card-link:hover svg { transform: translateX(4px); }

/* Service card variant */
.card--service { text-align: center; padding: var(--space-2xl) var(--space-xl); }
.card--service .card-icon { margin-left: auto; margin-right: auto; width: 64px; height: 64px; }

/* Dark card variant */
.card--dark {
    background: var(--blu-chiaro);
    border-color: rgba(255,255,255,0.06);
}
.card--dark:hover { border-color: var(--azzurro); }
.card--dark h3 { color: var(--bianco); }
.card--dark p { color: var(--grigio-chiaro); }

/* --- Stats --- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); text-align: center; }
.stat-number {
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    color: var(--oro);
    line-height: 1;
    margin-bottom: var(--space-xs);
}
.stat-label { font-size: var(--fs-sm); color: var(--grigio-chiaro); }

/* --- Clients Logo --- */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-lg);
    align-items: center;
    justify-items: center;
}
.client-logo {
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    color: var(--grigio-chiaro);
    text-align: center;
    font-weight: 500;
    transition: all var(--transition-base);
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.client-logo:hover { background: rgba(46,134,171,0.1); border-color: var(--azzurro); color: var(--bianco); }

/* --- Process/Steps --- */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-xl);
    counter-reset: step;
}
.process-step {
    position: relative;
    padding: var(--space-xl);
    counter-increment: step;
}
.process-step::before {
    content: counter(step, decimal-leading-zero);
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    color: var(--azzurro);
    opacity: 0.2;
    line-height: 1;
    display: block;
    margin-bottom: var(--space-md);
}
.process-step h3 { font-size: var(--fs-lg); }
.process-step p { font-size: var(--fs-sm); color: var(--grigio); }

/* --- FAQ --- */
.faq-list { max-width: var(--container-narrow); margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--grigio-bordino);
    padding: var(--space-lg) 0;
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    width: 100%;
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--testo-heading);
    text-align: left;
    padding: 0;
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font-body);
    line-height: var(--lh-snug);
}
.faq-question svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--azzurro);
    transition: transform var(--transition-fast);
}
.faq-item.active .faq-question svg { transform: rotate(45deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
    padding-top: 0;
}
.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: var(--space-md);
}
.faq-answer p { color: var(--grigio); font-size: var(--fs-base); }

/* --- Section header --- */
.section-header { text-align: center; max-width: 640px; margin: 0 auto var(--space-3xl); }

/* --- Breadcrumb --- */
.breadcrumb {
    padding: var(--space-sm) 0;
    font-size: var(--fs-sm);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.375rem; align-items: center; }
.breadcrumb li { display: flex; align-items: center; gap: 0.375rem; }
.breadcrumb a { color: var(--grigio-chiaro); }
.breadcrumb a:hover { color: var(--oro); }
.breadcrumb .breadcrumb-sep { color: var(--grigio); font-size: var(--fs-xs); }
.breadcrumb .breadcrumb-current { color: var(--oro); }

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--blu-mare), var(--blu-chiaro));
    text-align: center;
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46,134,171,0.15), transparent 70%);
    top: -100px;
    right: -100px;
}
.cta-section h2 { color: var(--bianco); font-size: var(--fs-3xl); margin-bottom: var(--space-md); }
.cta-section p { color: var(--grigio-chiaro); font-size: var(--fs-md); margin-bottom: var(--space-xl); max-width: 500px; margin-left: auto; margin-right: auto; }

/* --- Blog cards --- */
.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--grigio-bordino);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-card-img {
    height: 180px;
    background: linear-gradient(135deg, var(--blu-mare), var(--azzurro));
    position: relative;
    overflow: hidden;
}
.blog-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(212,168,67,0.2), transparent);
}
.blog-card-body { padding: var(--space-lg); }
.blog-card-tag {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--azzurro);
    margin-bottom: var(--space-sm);
}
.blog-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-sm); }
.blog-card h3 a { color: var(--testo-heading); }
.blog-card h3 a:hover { color: var(--azzurro); }
.blog-card p { font-size: var(--fs-sm); color: var(--grigio); }
.blog-card-meta { font-size: var(--fs-xs); color: var(--grigio-chiaro); margin-top: var(--space-md); }

/* --- Footer --- */
.footer {
    background: var(--blu-mare);
    color: var(--bianco);
    padding: var(--space-4xl) 0 var(--space-xl);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}
.footer-brand p { color: var(--grigio-chiaro); font-size: var(--fs-sm); margin-top: var(--space-md); line-height: var(--lh-normal); max-width: 320px; }
.footer h4 {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--grigio-chiaro);
    margin-bottom: var(--space-lg);
}
.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: var(--fs-sm);
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--oro); }
.footer-social { display: flex; gap: var(--space-md); margin-top: var(--space-lg); }
.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: var(--grigio-chiaro);
    transition: all var(--transition-fast);
}
.footer-social a:hover { background: var(--azzurro); color: var(--bianco); }
.footer-social a svg { width: 18px; height: 18px; }
.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}
.footer-bottom p { font-size: var(--fs-xs); color: var(--grigio); margin: 0; }
.footer-bottom a { color: var(--grigio-chiaro); font-size: var(--fs-xs); }

/* --- Form --- */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--testo-heading);
}
.form-input, .form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--grigio-bordino);
    border-radius: var(--radius-sm);
    font-size: var(--fs-base);
    color: var(--testo-body);
    background: var(--bianco);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--azzurro);
    box-shadow: 0 0 0 3px rgba(46,134,171,0.15);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}
.form-check input[type="checkbox"] { margin-top: 0.25rem; accent-color: var(--azzurro); }
.form-check label { font-size: var(--fs-sm); color: var(--grigio); }

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--blu-mare);
    color: var(--bianco);
    padding: var(--space-lg) var(--space-xl);
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    transform: translateY(100%);
    transition: transform 0.4s var(--ease-out);
    border-top: 2px solid var(--oro);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    flex-wrap: wrap;
}
.cookie-text { flex: 1; min-width: 280px; }
.cookie-text p { font-size: var(--fs-sm); color: var(--grigio-chiaro); margin: 0; }
.cookie-text a { color: var(--oro); }
.cookie-buttons { display: flex; gap: var(--space-sm); flex-shrink: 0; }
.cookie-btn {
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}
.cookie-btn--accept { background: var(--oro); color: var(--blu-mare); }
.cookie-btn--accept:hover { background: #c49a38; }
.cookie-btn--reject { background: rgba(255,255,255,0.1); color: var(--bianco); }
.cookie-btn--reject:hover { background: rgba(255,255,255,0.15); }

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Lanterna glow animation */
@keyframes lanternaGlow {
    0%, 100% { filter: drop-shadow(0 0 6px rgba(212,168,67,0.4)); }
    50% { filter: drop-shadow(0 0 14px rgba(212,168,67,0.7)); }
}
.lanterna-glow { animation: lanternaGlow 3s ease-in-out infinite; }

/* --- Portfolio --- */
.case-study {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--grigio-bordino);
}
.case-study-img {
    height: 240px;
    position: relative;
}
.case-study-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,22,40,0.6));
}
.case-study-body { padding: var(--space-xl); }
.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--grigio-bordino);
}
.metric-value {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    color: var(--azzurro);
}
.metric-label { font-size: var(--fs-xs); color: var(--grigio); }

/* --- Utility --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}
.mb-0 { margin-bottom: 0 !important; }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.pt-0 { padding-top: 0 !important; }

/* --- Responsive --- */
@media (max-width: 1200px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .clients-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    :root {
        --fs-hero: 2.25rem;
        --fs-3xl: 2rem;
        --fs-2xl: 1.75rem;
        --space-section: 3.5rem;
    }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .hero { min-height: auto; padding: calc(var(--nav-height) + 2.5rem) 0 3rem; }
    .hero--home { min-height: 80vh; }
    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; justify-content: center; }
    .cookie-inner { flex-direction: column; align-items: stretch; text-align: center; }
    .cookie-buttons { justify-content: center; }
    .process-steps { grid-template-columns: 1fr; }
    .case-study-metrics { grid-template-columns: 1fr; }
    .section-header { margin-bottom: var(--space-2xl); }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .clients-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
    .stats { grid-template-columns: 1fr 1fr; }
}

/* --- Print --- */
@media print {
    .navbar, .footer, .cookie-banner, .cta-section { display: none; }
    body { color: #000; background: #fff; }
    a { color: #000; text-decoration: underline; }
}