@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap');

/*
 * Global Service S.r.l. — Design System
 * Main CSS - Design tokens, base styles, utilities
 */

/* ===================================
   CSS Custom Properties (Design Tokens)
   Global Service Brand Colors
   =================================== */
:root {
    /* Global Service Brand Colors */
    --global-blue: #09409a;
    --global-blue-dark: #062d6d;
    --global-blue-light: #2dd100;
    --global-heading: #09409a;
    --global-text: #716C80;

    /* Neutral Colors */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-100: #F8F8F8;
    --color-gray-200: #F4F4F4;
    --color-gray-300: #E5E5E5;
    --color-gray-400: #D1D1D1;
    --color-gray-500: #9E9E9E;
    --color-gray-600: #767676;
    --color-gray-700: #545454;
    --color-gray-800: #333333;
    --color-gray-900: #1A1A1A;

    /* Background Colors */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F8F8F8;
    --color-bg-dark: #0d1340;
    --color-bg-gray: #F4F4F4;

    /* Text Colors */
    --color-text-primary: #333333;
    --color-text-secondary: #09409a;
    --color-text-muted: #716C80;
    --color-text-white: #FFFFFF;
    --color-text-bright: #222222;

    /* Primary Brand Color */
    --color-primary: #09409a;
    --color-primary-hover: #062d6d;
    --color-accent: #2dd100;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Typography */
    --font-global: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-display: var(--font-global);
    --font-body: var(--font-global);

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
}

/* Mobile spacing reduction */
@media (max-width: 480px) {
    :root {
        --space-4xl: 3rem;
        --space-3xl: 2.5rem;
        --space-2xl: 2rem;
        --radius-xl: 16px;
        --radius-2xl: 20px;
    }
}

/* Safe Area Support */
@supports (padding: env(safe-area-inset-left)) {
    .navbar {
        padding-top: env(safe-area-inset-top);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .container,
    .container-fluid {
        padding-left: max(var(--space-lg), env(safe-area-inset-left));
        padding-right: max(var(--space-lg), env(safe-area-inset-right));
    }

    footer {
        padding-bottom: max(var(--space-xl), env(safe-area-inset-bottom));
    }
}

/* ===================================
   CSS Reset & Base Styles
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--global-heading);
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-4xl); }
h4 { font-size: var(--text-3xl); }
h5 { font-size: var(--text-2xl); }
h6 { font-size: var(--text-xl); }

p {
    margin-bottom: var(--space-md);
    color: var(--global-text);
}

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

a:hover {
    color: var(--color-primary-hover);
}

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

svg {
    max-width: 100%;
    height: auto;
}

/* ===================================
   Layout Utilities
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ===================================
   Card Component
   =================================== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   Button Components
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--text-base);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    gap: 0.5rem;
    font-family: var(--font-global);
    letter-spacing: 0.02em;
}

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

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

.btn-secondary {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

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

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: var(--text-lg);
}

/* ===================================
   Badge Component
   =================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: rgba(64, 84, 178, 0.12);
    color: var(--color-primary);
}

.badge-accent {
    background: rgba(104, 82, 237, 0.12);
    color: var(--color-accent);
}

/* ===================================
   Section Header
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: var(--text-5xl);
    color: var(--global-heading);
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--global-text);
    max-width: 640px;
    margin: 0 auto;
}

/* ===================================
   Typography Utilities
   =================================== */
.text-gradient {
    color: var(--color-primary);
}

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

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* ===================================
   Spacing Utilities
   =================================== */
.m-0 { margin: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* ===================================
   Display Utilities
   =================================== */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* ===================================
   Responsive Breakpoints
   =================================== */
@media (max-width: 1024px) {
    :root {
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: var(--space-3xl) 0;
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --space-4xl: 3rem;
    }

    .container,
    .container-fluid {
        padding: 0 var(--space-md);
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    h1 { font-size: var(--text-5xl); }
    h2 { font-size: var(--text-4xl); }

    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }

    .container,
    .container-fluid {
        width: 100%;
        max-width: 100vw;
        padding: 0 var(--space-md);
        box-sizing: border-box;
        overflow-x: hidden;
    }

    .section {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
        box-sizing: border-box;
    }

    .grid {
        width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 320px) {
    html { font-size: 14px; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    .section { padding: var(--space-xl) var(--space-sm); }
}

/* Chrome Android - Dynamic Viewport Height Support */
@supports (height: 100dvh) {
    .section-hero {
        min-height: 100dvh;
    }
}

@media (max-width: 768px) {
    footer {
        padding-bottom: max(var(--space-xl), 24px);
    }
}

/* ===================================
   Animations Base
   =================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fadeIn { animation: fadeIn var(--transition-base) ease-out; }
.animate-slideUp { animation: slideUp var(--transition-slow) ease-out; }

/* ===================================
   Accessibility — Base
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    background: var(--color-primary);
    color: #ffffff;
    padding: 0.875rem 2rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    z-index: 99999;
    font-weight: 700;
    font-size: var(--text-base);
    text-decoration: none;
    transition: transform 0.2s ease;
    white-space: nowrap;
}
.skip-to-content:focus {
    transform: translateX(-50%) translateY(0);
    outline: 3px solid #ffffff;
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===================================
   Accessibility Widget
   =================================== */

/* --- Font face OpenDyslexic --- */
@font-face {
    font-family: 'OpenDyslexic';
    src: url('/fonts/OpenDyslexic-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* --- Floating button --- */
#a11y-widget-root { position: relative; z-index: 9990; }

#a11y-toggle {
    position: fixed;
    bottom: 84px;
    right: 20px;
    z-index: 9990;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: 3px solid transparent;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(9, 64, 154, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
    padding: 0;
}
#a11y-toggle:hover { background: var(--color-primary-hover); transform: scale(1.08); }
#a11y-toggle:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.a11y-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #c53030;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    pointer-events: none;
}

/* --- Overlay --- */
#a11y-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 9991;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}
#a11y-overlay.open { opacity: 1; pointer-events: auto; }

/* --- Panel --- */
#a11y-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(380px, 100vw);
    background: #fff;
    z-index: 9992;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 32px rgba(0, 0, 0, 0.18);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}
#a11y-panel.open { transform: translateX(0); }

.a11y-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e5e5e5;
    background: #f8f8f8;
    position: sticky;
    top: 0;
    z-index: 1;
}
.a11y-panel-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0;
    display: flex;
    align-items: center;
}
#a11y-close {
    background: none;
    border: none;
    cursor: pointer;
    color: #333;
    padding: 6px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#a11y-close:hover { background: #e5e5e5; }
#a11y-close:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

.a11y-panel-body {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    flex: 1;
}

.a11y-section-title {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    margin-bottom: 0.5rem;
}

/* --- Font size radio group --- */
.a11y-font-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}
.a11y-font-group [role="radio"] {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0.25rem;
    border: 2px solid #e5e5e5;
    border-radius: 10px;
    cursor: pointer;
    background: #fff;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s;
    font-size: 0.75rem;
    color: #333;
    line-height: 1.2;
    text-align: center;
}
.a11y-font-group [role="radio"]:hover { border-color: var(--color-primary); background: rgba(9,64,154,0.05); }
.a11y-font-group [role="radio"][aria-checked="true"] {
    border-color: var(--color-primary);
    background: rgba(9,64,154,0.1);
    color: var(--color-primary);
    font-weight: 700;
}
.a11y-font-group [role="radio"]:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.a11y-font-sample { font-weight: 700; line-height: 1; }

/* --- Toggle controls --- */
.a11y-controls { display: flex; flex-direction: column; gap: 0.5rem; }
.a11y-ctrl {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    cursor: pointer;
    background: #fff;
    font-family: inherit;
    font-size: 0.875rem;
    color: #333;
    transition: border-color 0.15s, background 0.15s;
    text-align: left;
    width: 100%;
    gap: 0.75rem;
}
.a11y-ctrl:hover { border-color: var(--color-primary); background: rgba(9,64,154,0.03); }
.a11y-ctrl[aria-pressed="true"] {
    border-color: var(--color-primary);
    background: rgba(9,64,154,0.08);
    color: var(--color-primary);
    font-weight: 700;
}
.a11y-ctrl:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.a11y-ctrl-label { display: flex; align-items: center; gap: 0.5rem; pointer-events: none; }
.a11y-ctrl-icon { flex-shrink: 0; }

/* Toggle switch visual */
.a11y-switch {
    flex-shrink: 0;
    width: 40px;
    height: 22px;
    background: #d1d1d1;
    border-radius: 11px;
    position: relative;
    transition: background 0.2s;
    pointer-events: none;
}
.a11y-ctrl[aria-pressed="true"] .a11y-switch { background: var(--color-primary); }
.a11y-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.a11y-ctrl[aria-pressed="true"] .a11y-switch::after { transform: translateX(18px); }

/* Reset button */
#a11y-reset {
    margin: 0 1.5rem 1.5rem;
    padding: 0.75rem;
    background: none;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    color: #555;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: border-color 0.15s, color 0.15s;
    width: calc(100% - 3rem);
}
#a11y-reset:hover { border-color: #c53030; color: #c53030; }
#a11y-reset:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* ===================================
   A11Y Class Overrides (applied to <html>)
   =================================== */
html.a11y-font-1 { font-size: 112.5%; }
html.a11y-font-2 { font-size: 125%; }
html.a11y-font-3 { font-size: 137.5%; }

html.a11y-high-contrast {
    --global-heading: #000000;
    --global-text: #000000;
    --color-text-primary: #000000;
    --color-primary: #00008B;
    --color-primary-hover: #00005a;
    --color-accent: #006600;
    --color-gray-100: #f0f0f0;
    --color-gray-300: #aaaaaa;
}
html.a11y-high-contrast body { background: #ffffff !important; color: #000000 !important; }
html.a11y-high-contrast a { color: #00008B !important; text-decoration: underline !important; }
html.a11y-high-contrast .navbar { background: #ffffff !important; border-bottom: 2px solid #000000 !important; }
html.a11y-high-contrast .card { border: 1px solid #000000 !important; box-shadow: none !important; }
html.a11y-high-contrast .btn-primary { background: #00008B !important; border-color: #00008B !important; }

html.a11y-dyslexia-font,
html.a11y-dyslexia-font * { font-family: 'OpenDyslexic', serif !important; }

html.a11y-link-highlight a {
    text-decoration: underline !important;
    outline: 2px solid #FFD700;
    outline-offset: 1px;
}

html.a11y-stop-animations *,
html.a11y-stop-animations *::before,
html.a11y-stop-animations *::after {
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
}

html.a11y-bigger-cursor,
html.a11y-bigger-cursor * {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Cpath d='M6 4 L6 38 L14 30 L20 44 L26 41 L20 27 L30 27 Z' fill='white' stroke='black' stroke-width='2'/%3E%3C/svg%3E") 6 4, auto !important;
}

html.a11y-text-spacing * {
    letter-spacing: 0.12em !important;
    word-spacing: 0.16em !important;
    line-height: 2 !important;
}

html.a11y-grayscale { filter: grayscale(100%); }

/* ===================================
   Print Styles
   =================================== */
@media print {
    body { background: white; color: black; }
    .no-print { display: none !important; }
}