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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f1ed 0%, #e8dfd5 50%, #d4c4b0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 700px;
    width: 100%;
}

.card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(139, 99, 76, 0.15);
    overflow: hidden;
    animation: fadeIn 0.6s ease-out;
}

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

.header {
    background: linear-gradient(135deg, #c87d5c 0%, #a86749 100%);
    padding: 50px 30px;
    text-align: center;
    color: #ffffff;
}

.icon-wrapper {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.icon {
    width: 40px;
    height: 40px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.content {
    padding: 50px 40px;
}

.alert-box {
    background: linear-gradient(to right, #fff4e6 0%, #ffe8cc 100%);
    border-left: 5px solid #ff6b4a;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    display: flex;
    gap: 20px;
}

.alert-icon {
    flex-shrink: 0;
}

.alert-icon svg {
    width: 32px;
    height: 32px;
    color: #ff6b4a;
    margin-top: 5px;
}

.alert-content h2 {
    font-size: 1.3rem;
    color: #8b4513;
    margin-bottom: 12px;
    font-weight: 600;
}

.alert-content p {
    color: #6b4423;
    line-height: 1.7;
}

.phone-box {
    background: #f8f5f2;
    border-radius: 16px;
    padding: 35px;
    margin-bottom: 30px;
    text-align: center;
}

.phone-box h3 {
    font-size: 1.2rem;
    color: #5a4a42;
    margin-bottom: 20px;
    font-weight: 600;
}

.phone-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.phone-icon {
    width: 24px;
    height: 24px;
    color: #c87d5c;
}

.phone-number {
    font-size: 1.5rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 1px;
}

.call-button {
    width: 100%;
    background: linear-gradient(135deg, #ff6b4a 0%, #ff5234 100%);
    color: white;
    border: none;
    border-radius: 14px;
    padding: 20px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 25px rgba(255, 107, 74, 0.3);
    transition: all 0.3s ease;
}

.call-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 74, 0.4);
    background: linear-gradient(135deg, #ff5234 0%, #ff3d1f 100%);
}

.call-button:active {
    transform: translateY(-1px);
}

.button-icon {
    width: 26px;
    height: 26px;
}

.footer-message {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e8dfd5;
    text-align: center;
}

.footer-message p {
    color: #7a6a5d;
    line-height: 1.7;
}

.card-footer {
    background: #f8f5f2;
    padding: 20px 40px;
    text-align: center;
}

.card-footer p {
    color: #9a8a7d;
    font-size: 0.85rem;
}

.security-note {
    text-align: center;
    margin-top: 25px;
}

.security-note p {
    color: #7a6a5d;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .header {
        padding: 40px 25px;
    }

    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .content {
        padding: 35px 25px;
    }

    .alert-box {
        flex-direction: column;
        padding: 25px;
        gap: 15px;
    }

    .phone-box {
        padding: 25px;
    }

    .phone-number {
        font-size: 1.2rem;
    }

    .call-button {
        padding: 18px 30px;
        font-size: 1.1rem;
    }

    .card-footer {
        padding: 18px 25px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .phone-display {
        flex-direction: column;
        gap: 10px;
    }

    .phone-number {
        font-size: 1.1rem;
    }

    .alert-content h2 {
        font-size: 1.1rem;
    }

    .alert-content p {
        font-size: 0.95rem;
    }
}