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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    color: #1a1a1a;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.hero {
    text-align: center;
    margin-bottom: 56px;
    padding-bottom: 40px;
    border-bottom: 1px solid #e5e5e5;
}

.hero h1 {
    font-size: 2.25rem;
    font-weight: 600;
    color: #0d1b2a;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.hero .tagline {
    font-size: 1.125rem;
    color: #415a77;
    margin-bottom: 16px;
    font-weight: 400;
}

.hero .description {
    font-size: 1rem;
    color: #5c6b7a;
    max-width: 600px;
    margin: 0 auto;
}

.input-section {
    background: #fafafa;
    border: 1px solid #e8e8e8;
    padding: 40px;
    margin-bottom: 48px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 1px solid #d0d0d0;
    background: #ffffff;
    color: #1a1a1a;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23415a77' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select:focus {
    outline: none;
    border-color: #415a77;
}

.btn-generate {
    width: 100%;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: #0d1b2a;
    color: #ffffff;
    border: none;
    cursor: pointer;
    margin-top: 16px;
    transition: background 0.2s ease;
}

.btn-generate:hover {
    background: #1b263b;
}

.btn-generate:active {
    background: #0d1b2a;
}

.results-section {
    animation: fadeIn 0.4s ease;
}

.results-section.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card {
    background: #ffffff;
    border: 1px solid #e5e5e5;
    padding: 32px;
    margin-bottom: 24px;
}

.result-card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0d1b2a;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #0d1b2a;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-card ul {
    list-style: none;
}

.result-card ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 0.975rem;
    color: #2d3e50;
    line-height: 1.7;
}

.result-card ul li:last-child {
    margin-bottom: 0;
}

.result-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #415a77;
}

footer {
    text-align: center;
    padding-top: 48px;
    border-top: 1px solid #e5e5e5;
    margin-top: 48px;
}

footer p {
    font-size: 0.875rem;
    color: #8a9aaa;
    letter-spacing: 0.5px;
}

@media (max-width: 640px) {
    .container {
        padding: 40px 16px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero .tagline {
        font-size: 1rem;
    }

    .input-section {
        padding: 24px;
    }

    .result-card {
        padding: 24px;
    }
}