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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #62b69c 0%, #4a9e80 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Animated background elements */
.bg-shapes {
    position: absolute;
    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: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 70%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.error-container {
    text-align: center;
    color: white;
    padding: 50px;
    max-width: 600px;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.logo-section {
    margin-bottom: 30px;
}

.logo-icon {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 50px;
    color: white;
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-name {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.error-code {
    font-size: 140px;
    font-weight: 900;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffffff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.error-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #f0f8ff;
}

.error-message {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
    color: #f0f8ff;
}

.buttons-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.action-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: white;
    color: #62b69c;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border: 2px solid transparent;
}

.action-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
    background: #62b69c;
    color: white;
    border-color: white;
}

.action-button.secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.action-button.secondary:hover {
    background: white;
    color: #62b69c;
    border-color: white;
}

.help-text {
    margin-top: 30px;
    font-size: 14px;
    opacity: 0.7;
    color: #f0f8ff;
}

@media (max-width: 768px) {
    .error-container {
        margin: 20px;
        padding: 40px 30px;
    }

    .error-code {
        font-size: 100px;
    }

    .error-title {
        font-size: 28px;
    }

    .buttons-container {
        flex-direction: column;
        align-items: center;
    }

    .action-button {
        width: 200px;
        justify-content: center;
    }
}