/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #ffffff;
    background-color: #050505;
    background-image: url('bg-cover.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Subtle Dark Overlay to ensure text readability over bright areas of the photo */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 1;
}

/* Layout Container */
.container {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Glassmorphism Panel */
.glass-panel {
    background: rgba(20, 20, 20, 0.55);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 4rem 3rem;
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    
    /* Initial state for fade-in animation */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Typography & Elements */
.company-logo {
    display: block;
    margin: 0 auto 2rem;
    max-width: 120px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.3);
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid rgba(255, 107, 0, 0.3);
    color: #ff8a3d;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.title .highlight {
    color: transparent;
    background: linear-gradient(90deg, #ffffff, #a0a0a0);
    -webkit-background-clip: text;
    background-clip: text;
    font-size: 0.55em; /* Lớn bằng 55% so với title chính */
    font-weight: 600;
    line-height: 1.2;
    display: inline-block;
    margin-top: 0.5rem;
}

.description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: #cccccc;
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Contact / Call to Action */
.contact-info {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.contact-info p {
    font-size: 0.875rem;
    color: #999999;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    background: #ffffff;
    color: #000000;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn:hover {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(255, 255, 255, 0.3);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.btn-zalo {
    background: #0068ff;
    color: #ffffff;
    border-color: #0068ff;
}

.btn-zalo:hover {
    background: transparent;
    color: #0068ff;
    border-color: #0068ff;
    box-shadow: 0 10px 20px -10px rgba(0, 104, 255, 0.4);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .glass-panel {
        padding: 3rem 2rem;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .glass-panel {
        padding: 2.5rem 1.5rem;
    }
    
    .title {
        font-size: 2rem;
    }
}