@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ==========================================================================
   UP Agenzia Web - Modern 404 / Error Page Styles (Light Glassmorphism)
   ========================================================================== */

:root {
    --error-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --error-primary: #ff5722;
    --error-primary-hover: #e64a19;
    --error-primary-glow: rgba(255, 87, 34, 0.28);
    --error-dark: #120a21;
    --error-dark-surface: #1e1435;
    --error-text: #4a5568;
    --error-text-muted: #718096;
    --error-border: rgba(226, 232, 240, 0.9);
    --error-glass-bg: rgba(255, 255, 255, 0.82);
    --error-glass-border: rgba(255, 255, 255, 0.92);
    --error-glass-shadow: 0 25px 50px -12px rgba(18, 10, 33, 0.09), 
                          0 10px 25px -5px rgba(18, 10, 33, 0.04), 
                          0 0 0 1px rgba(18, 10, 33, 0.03);
}

/* Page Container Wrapper */
.error-page-wrapper {
    font-family: var(--error-font);
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fbfbfe 0%, #f4f5fa 50%, #f8f9fd 100%);
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 70px 0 100px;
}

/* Ambient Background Lights */
.error-page-wrapper::before {
    content: '';
    position: absolute;
    width: 650px;
    height: 650px;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(255, 87, 34, 0.08) 0%, rgba(255, 87, 34, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.error-page-wrapper::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    bottom: -80px;
    right: 5%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, rgba(139, 92, 246, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

/* Particle Canvas Layer */
.error-particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

/* Error Stage Container */
.error-content-container {
    position: relative;
    z-index: 3;
}

/* Central Glassmorphism Card */
.error-glass-card {
    background: var(--error-glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--error-glass-border);
    border-radius: 28px;
    padding: 55px 45px 50px;
    box-shadow: var(--error-glass-shadow);
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
    position: relative;
}

.error-glass-card:hover {
    box-shadow: 0 30px 65px -15px rgba(18, 10, 33, 0.12), 
                0 15px 30px -5px rgba(255, 87, 34, 0.06), 
                0 0 0 1px rgba(255, 87, 34, 0.08);
}

/* Top Pill Badge */
.error-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 87, 34, 0.08);
    color: var(--error-primary);
    border: 1px solid rgba(255, 87, 34, 0.18);
    padding: 7px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 20px;
}

.error-pill-badge i {
    font-size: 14px;
}

/* Big 404 Gradient Number */
.error-code-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 12px;
}

.error-code-number {
    font-family: var(--error-font);
    font-size: clamp(100px, 16vw, 150px);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -4px;
    margin: 0;
    background: linear-gradient(135deg, #ff5722 0%, #ff8a50 45%, #120a21 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 12px 24px rgba(255, 87, 34, 0.15));
    animation: errorFloat 6s ease-in-out infinite;
    user-select: none;
}

@keyframes errorFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.error-code-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 120px;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.18) 0%, rgba(255, 87, 34, 0) 75%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* Headings & Text */
.error-title {
    font-family: var(--error-font);
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    color: var(--error-dark);
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.error-description {
    font-family: var(--error-font);
    font-size: clamp(15px, 2vw, 17px);
    line-height: 1.65;
    color: var(--error-text);
    max-width: 620px;
    margin: 0 auto 32px;
}

/* Action Buttons Group */
.error-actions-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn-error-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #ff5722 0%, #ff7043 100%);
    color: #ffffff !important;
    padding: 14px 30px;
    border-radius: 50px;
    font-family: var(--error-font);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 25px -5px var(--error-primary-glow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    cursor: pointer;
}

.btn-error-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(255, 87, 34, 0.4);
    color: #ffffff !important;
}

.btn-error-primary i {
    transition: transform 0.25s ease;
}

.btn-error-primary:hover i {
    transform: translateX(4px);
}

.btn-error-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #ffffff;
    color: var(--error-dark) !important;
    padding: 13px 26px;
    border-radius: 50px;
    font-family: var(--error-font);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1.5px solid #e2e8f0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.btn-error-secondary:hover {
    border-color: var(--error-dark);
    background: #fafafa;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(18, 10, 33, 0.08);
}

.btn-error-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--error-text) !important;
    padding: 13px 24px;
    border-radius: 50px;
    font-family: var(--error-font);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1.5px solid transparent;
    transition: all 0.3s ease;
}

.btn-error-outline:hover {
    color: var(--error-primary) !important;
    background: rgba(255, 87, 34, 0.05);
    border-color: rgba(255, 87, 34, 0.2);
}

/* Interactive Search Box */
.error-search-section {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 20px;
    padding: 24px;
    max-width: 680px;
    margin: 0 auto 28px;
    box-shadow: 0 4px 16px rgba(18, 10, 33, 0.03);
}

.error-search-title {
    font-family: var(--error-font);
    font-size: 14px;
    font-weight: 600;
    color: var(--error-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.error-search-form {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 50px;
    padding: 4px 6px 4px 18px;
    transition: all 0.3s ease;
}

.error-search-form:focus-within {
    border-color: var(--error-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(255, 87, 34, 0.12);
}

.error-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--error-font);
    font-size: 15px;
    color: var(--error-dark);
    outline: none;
    padding: 10px 8px;
}

.error-search-input::placeholder {
    color: #94a3b8;
}

.error-search-btn {
    background: var(--error-primary);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    padding: 10px 22px;
    font-family: var(--error-font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.error-search-btn:hover {
    background: var(--error-primary-hover);
}

/* Quick Helpful Links / Pills */
.error-quick-links {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(226, 232, 240, 0.7);
}

.error-quick-links-label {
    font-family: var(--error-font);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--error-text-muted);
    margin-bottom: 14px;
}

.error-quick-pills {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.error-pill-item {
    font-family: var(--error-font);
    font-size: 13.5px;
    font-weight: 500;
    color: #4b5563;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    padding: 6px 14px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.error-pill-item:hover {
    color: var(--error-primary);
    border-color: rgba(255, 87, 34, 0.4);
    background: rgba(255, 87, 34, 0.04);
    transform: translateY(-1px);
}

/* Support Mini Card */
.error-support-bar {
    margin-top: 25px;
    font-family: var(--error-font);
    font-size: 14px;
    color: var(--error-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.error-support-bar a {
    color: var(--error-dark);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.error-support-bar a:hover {
    color: var(--error-primary);
    text-decoration: underline;
}

/* Responsive Rules */
@media (max-width: 767px) {
    .error-page-wrapper {
        padding: 40px 0 60px;
    }
    
    .error-glass-card {
        padding: 40px 20px 35px;
        border-radius: 22px;
    }

    .error-code-number {
        font-size: 95px;
    }

    .error-actions-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-error-primary,
    .btn-error-secondary,
    .btn-error-outline {
        width: 100%;
    }

    .error-search-form {
        padding: 4px;
    }

    .error-search-input {
        padding: 8px 6px;
        font-size: 14px;
    }

    .error-search-btn {
        padding: 8px 14px;
        font-size: 13px;
    }
}