/* ============================================
   AXXERTHO — CORPORATE DESIGN SYSTEM
   Ecosistema Professionale per l'Impresa
   Version: 3.0 — Enterprise Restyle
   Palette: #004d5a | #007c89 | #6ad1ce
   ============================================ */

/* ----- RESET & BASE ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root { /* Primary Colors */ --primary: #A1DEDD; --primary-dark: #002d36; --primary-light: #006677; --primary-soft: #236c79; --primary-mid: #135b67; /* Secondary Colors */ --secondary: #007c89; --secondary-dark: #005f69; --secondary-light:#1da3b3; --secondary-soft: #edf6f7; --secondary-glow: rgba(0, 124, 137, 0.15); /* Accent Colors */ --accent: #6ad1ce; --accent-dark: #4ebbb8; --accent-light: #97e4e2; --accent-soft: rgba(106, 209, 206, 0.08); /* Success */ --success: #0b7a75; --success-light: #e6f5f4; /* Neutrals — freddi, coerenti con il brand */ --gray-900: #0a1417; --gray-800: #1a292d; --gray-700: #334549; --gray-600: #556c71; --gray-500: #7b9499; --gray-400: #a0b6ba; --gray-300: #cbdcde; --gray-200: #eaf3f5; --gray-100: #f1f7f8; --gray-50: #f6fafb; /* Backgrounds */ --bg-white: #FFFFFF; --bg-light: #f4fafb; --bg-offwhite: #edf5f7; --bg-dark: #002d36; /* Shadows */ --shadow-xs: 0 1px 2px rgba(0, 77, 90, 0.02); --shadow-sm: 0 1px 3px rgba(0, 77, 90, 0.03), 0 1px 2px rgba(0, 77, 90, 0.02); --shadow-md: 0 4px 12px rgba(0, 77, 90, 0.04), 0 2px 4px rgba(0, 77, 90, 0.02); --shadow-lg: 0 8px 24px rgba(0, 77, 90, 0.06), 0 4px 8px rgba(0, 77, 90, 0.03); --shadow-xl: 0 16px 48px rgba(0, 77, 90, 0.08), 0 8px 16px rgba(0, 77, 90, 0.04); --shadow-2xl: 0 24px 64px rgba(0, 77, 90, 0.10); --card-shadow-hover: 0 20px 40px -12px rgba(0, 77, 90, 0.12); /* Typography */ --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif; --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1rem; --font-size-lg: 1.125rem; --font-size-xl: 1.25rem; --font-size-2xl: 1.5rem; --font-size-3xl: 1.875rem; --font-size-4xl: 2.25rem; --font-size-5xl: 3rem; --font-size-6xl: 3.75rem; /* Spacing — 8px system */ --spacing-1: 0.25rem; --spacing-2: 0.5rem; --spacing-3: 0.75rem; --spacing-4: 1rem; --spacing-5: 1.25rem; --spacing-6: 1.5rem; --spacing-7: 2rem; --spacing-8: 2.5rem; --spacing-9: 3rem; --spacing-10: 3.5rem; --spacing-11: 4rem; --spacing-12: 5rem; --spacing-13: 6rem; /* Border Radius — raggio ridotto per look più squadrato/corporate */ --radius-sm: 0.125rem; --radius-md: 0.25rem; --radius-lg: 0.375rem; --radius-xl: 0.5rem; --radius-2xl: 0.75rem; --radius-3xl: 1rem; --radius-full: 9999px; /* Transitions */ --transition-fast: 150ms cubic-bezier(0.2, 0.9, 0.4, 1.1); --transition-base: 250ms cubic-bezier(0.2, 0.9, 0.4, 1.1); --transition-slow: 400ms cubic-bezier(0.2, 0.9, 0.4, 1.1); /* Z-index */ --z-header: 1000; --z-overlay: 2000;}

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

body {
    font-family: var(--font-sans);
    color: var(--gray-700);
    background-color: var(--bg-white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ----- TIPOGRAFIA ----- */
h1, .h1 {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--primary);
    margin-bottom: var(--spacing-6);
}

h2, .h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--primary);
    margin-bottom: var(--spacing-5);
}

h3, .h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--primary);
    margin-bottom: var(--spacing-4);
}

h4, .h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-3);
    letter-spacing: -0.005em;
}

p {
    margin-bottom: var(--spacing-4);
    line-height: 1.7;
    color: var(--gray-600);
}

.text-large {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-600);
}

.text-small {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Overline — etichetta sezione seria */
.text-caption {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    color: var(--secondary);
    display: block;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-12) auto;
}

.section-header h2 {
    margin-bottom: var(--spacing-4);
}

/* Accent line — più sottile, più tagliente */
.accent-line {
    width: 40px;
    height: 2px;
    background: var(--secondary);
    margin: var(--spacing-4) 0 var(--spacing-6) 0;
    border-radius: 0;
}

.accent-line-center {
    width: 40px;
    height: 2px;
    background: var(--secondary);
    margin: var(--spacing-4) auto var(--spacing-6) auto;
    border-radius: 0;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ----- BUTTONS ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 0.8125rem 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    font-family: var(--font-sans);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

/* Effetto ripple rimosso — look più secco e corporativo */
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.0);
    transition: background var(--transition-fast);
}

.btn:hover::before {
    background: rgba(255, 255, 255, 0.07);
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-white);
    border-left: 3px solid var(--accent);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--bg-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    border-left: 3px solid var(--secondary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--bg-white);
    transform: translateY(-1px);
}

.btn-outline-light {
    background: transparent;
    color: var(--bg-white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-left: 3px solid var(--accent);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--accent);
}

.btn-accent {
    background: var(--accent);
    color: var(--primary-dark);
    border-left: 3px solid var(--primary);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ----- CARDS ----- */
.card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-7);
    box-shadow: none;
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    border-top: 3px solid var(--gray-200);
    height: 100%;
    position: relative;
}

/* Sostituisce il ::after con border-top diretta */
.card::after {
    display: none;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
    border-top-color: var(--secondary);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    text-align: left;
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--secondary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--secondary-soft);
    opacity: 0.5;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-dark);
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
}

/* ----- HEADER ----- */
header {
    background: var(--primary-dark);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    border-bottom: 1px solid rgba(106, 209, 206, 0.15);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--bg-white);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--accent);
}

/* Navigation */
.nav-menu {
    display: flex;
    gap: 0;
    list-style: none;
    height: 72px;
    align-items: stretch;
}

.nav-menu li {
    display: flex;
    align-items: stretch;
}

.nav-menu a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    position: relative;
    padding: 0 var(--spacing-5);
    display: flex;
    align-items: center;
    border-bottom: 3px solid transparent;
    letter-spacing: 0.01em;
}

.nav-menu a::after {
    display: none;
}

.nav-menu a:hover {
    color: var(--bg-white);
    background: rgba(255, 255, 255, 0.04);
}

.nav-menu a:hover::after {
    display: none;
}

.nav-menu a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: transparent;
    border: none;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    border-radius: 0;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ----- HERO ----- */
.hero {
    background: var(--primary-dark);
    padding: var(--spacing-13) 0;
    position: relative;
    overflow: hidden;
}

/* Griglia di sfondo sottile */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 124, 137, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 124, 137, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--secondary) 30%, var(--accent) 70%, transparent 100%);
}

.hero h1, .hero h2 {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    color: var(--bg-white);
    -webkit-text-fill-color: unset;
}

.hero h1 span,
.hero h2 span {
    color: var(--accent);
}

.hero p {
    color: rgba(255, 255, 255, 0.65);
}

/* ----- FOOTER ----- */
footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-11) 0 var(--spacing-6);
    margin-top: var(--spacing-13);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-8);
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bg-white);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.footer-links h4 {
    color: var(--gray-300);
    margin-bottom: var(--spacing-4);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    margin-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* ----- FORMS ----- */
.form-container {
    background: var(--bg-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    border-top: 3px solid var(--secondary);
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--gray-800);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    border-bottom: 2px solid var(--gray-300);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    background: var(--bg-white);
    color: var(--gray-800);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    border-bottom-color: var(--accent);
    box-shadow: 0 0 0 4px var(--secondary-glow);
    background: #fafffe;
}

/* ----- TABLES ----- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.table-corporate {
    width: 100%;
    border-collapse: collapse;
}

.table-corporate th,
.table-corporate td {
    padding: 0.875rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table-corporate thead {
    background: var(--primary);
}

.table-corporate th {
    background: transparent;
    font-weight: 700;
    color: var(--bg-white);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.table-corporate td {
    font-size: 0.9rem;
    color: var(--gray-700);
}

.table-corporate tr:last-child td {
    border-bottom: none;
}

.table-corporate tr:hover td {
    background: var(--secondary-soft);
}

.table-corporate tbody tr:nth-child(even) td {
    background: var(--gray-50);
}

.table-corporate tbody tr:nth-child(even):hover td {
    background: var(--secondary-soft);
}

/* ----- GRID SYSTEM ----- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.section {
    padding: var(--spacing-11) 0;
}

.section-sm {
    padding: var(--spacing-8) 0;
}

.section-lg {
    padding: var(--spacing-13) 0;
}

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

.bg-gradient {
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.bg-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 124, 137, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 124, 137, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

/* ----- ANIMATIONS ----- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s var(--transition-base), transform 0.6s var(--transition-base);
}

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

/* ----- UTILITIES ----- */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-primary   { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent    { color: var(--accent); }
.text-white     { color: var(--bg-white); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mt-6 { margin-top: var(--spacing-6); }

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.mb-6 { margin-bottom: var(--spacing-6); }

/* ----- RESPONSIVE ----- */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-4xl: 2rem;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--primary-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-8);
        gap: var(--spacing-6);
        transition: left var(--transition-base);
        z-index: var(--z-overlay);
        height: auto;
        border-bottom: 2px solid var(--secondary);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        border-bottom: none;
        border-left: 3px solid transparent;
        padding: var(--spacing-3) var(--spacing-5);
    }

    .nav-menu a.active {
        border-left-color: var(--accent);
        border-bottom: none;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-2xl: 1.125rem;
        --spacing-11: 3rem;
        --spacing-13: 4rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-5);
    }

    .hero {
        padding: var(--spacing-9) 0;
    }

    .section {
        padding: var(--spacing-8) 0;
    }

    .container {
        padding: 0 var(--spacing-4);
    }

    .card,
    .stat-card {
        padding: var(--spacing-5);
    }

    .btn {
        padding: 0.625rem 1.5rem;
        font-size: 0.8125rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-6);
    }

    .footer-links a:hover {
        transform: none;
    }

    .table-corporate th,
    .table-corporate td {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-6xl: 1.875rem;
        --font-size-4xl: 1.5rem;
    }

    .hero .btn {
        display: block;
        width: 100%;
        margin: var(--spacing-3) 0;
    }

    .hero .btn + .btn {
        margin-left: 0;
    }

    .stat-number {
        font-size: 2.25rem;
    }
}

/* ----- PRINT ----- */
@media print {
    header, footer, .btn, .hamburger {
        display: none !important;
    }

    .card, .stat-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ----- ACCESSIBILITY ----- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}

/* ----- SELECTION ----- */
::selection {
    background: rgba(0, 124, 137, 0.2);
    color: var(--primary-dark);
}