:root {
    --primary: #ff6f00;
    --primary-light: #ffa764;
    --gradient-light: var(--primary-light);
    --gradient-dark: var(--primary);
    --text-color: #333;
    --text-color-light: #444;
    --box-background: rgba(255, 255, 255, 0.65);
    --error-code-transparency: 30%;
    --domain-background: #f7fafc;
    --domain-border: #e2e8f0;
    --domain-text: #4a5568;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--gradient-light) 0%, var(--gradient-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
}

.container {
    text-align: center;
    background: var(--box-background);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    margin: 3rem 0;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 90%;
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

.error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 4px 8px color-mix(in srgb, var(--primary), transparent var(--error-code-transparency));
    animation: pulse 2s infinite;
}

.error-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.error-message {
    font-size: 1.25rem;
    color: var(--text-color-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.domain-info {
    background: var(--domain-background);
    border: 2px solid var(--domain-border);
    border-radius: 10px;
    padding: 1rem;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    color: var(--domain-text);
}

.suggestion {
    text-align: left;
    margin: 2rem 0;
}

.suggestion:first-of-type {
    margin-top: 1rem;
}

.suggestion:last-of-type {
    margin-bottom: 1rem;
}

.suggestions h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.suggestions ul {
    list-style: none;
    padding-left: 0;
}

.suggestions li {
    padding: 0.5rem 0;
    color: var(--text-color-light);
    position: relative;
    padding-left: 1.5rem;
}

.suggestions li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.contact-info {
    background: linear-gradient(315deg, var(--gradient-light), var(--gradient-dark));
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.contact-info h3 {
    margin-bottom: 0.5rem;
}

.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
}

.shape:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: -2s;
    animation-duration: 5s;
}

.shape:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: -4s;
    animation-duration: 7s;
}

.shape:nth-child(4) {
    width: 120px;
    height: 120px;
    top: 10%;
    right: 30%;
    animation-delay: -1s;
    animation-duration: 10s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        box-shadow: 0 35px 55px rgba(0, 0, 0, 0.1);
        transform: translateY(-30px) scale(1.1);
    }

    to {
        opacity: 1;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    33% {
        transform: translateY(-20px) rotate(120deg);
    }

    66% {
        transform: translateY(20px) rotate(240deg);
    }
}