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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.landing-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    width: 100%;
    text-align: center;
}

.logo-section {
    margin-bottom: 20px;
}

.company-logo {
    width: 150px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.welcome-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: 1rem;
    color: #718096;
    margin-bottom: 25px;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.app-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.app-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
}

.app-card p {
    color: #718096;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

.login-btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    color: white;
    text-decoration: none;
}

.login-btn:active {
    transform: translateY(0);
}

/* Card color variations */
.card-taking-order::before {
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.card-callplan::before {
    background: linear-gradient(90deg, #f093fb, #f5576c);
}

.card-pinpoint::before {
    background: linear-gradient(90deg, #4facfe, #00f2fe);
}

.card-collection::before {
    background: linear-gradient(90deg, #43e97b, #38f9d7);
}

.card-puc::before {
    background: linear-gradient(90deg, #fa709a, #fee140);
}

.card-tableau::before {
    background: linear-gradient(90deg, #a8edea, #fed6e3);
}

/* Responsive design */
@media (max-width: 768px) {
    .landing-container {
        padding: 15px;
        margin: 10px;
    }

    .welcome-title {
        font-size: 1.8rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .app-card {
        padding: 18px;
    }
}

@media (max-width: 480px) {
    .welcome-title {
        font-size: 1.6rem;
    }

    .company-logo {
        width: 120px;
    }
}

/* Animation for cards */
.app-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.app-card:nth-child(1) { animation-delay: 0.1s; }
.app-card:nth-child(2) { animation-delay: 0.2s; }
.app-card:nth-child(3) { animation-delay: 0.3s; }
.app-card:nth-child(4) { animation-delay: 0.4s; }
.app-card:nth-child(5) { animation-delay: 0.5s; }
.app-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}