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

body {
    font-family: Arial, sans-serif;
    background-color: #cce7ff;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    gap: 30px;
    padding: 15px 20px;
    background-color: #ffffff;
    margin-bottom: 30px;
}

.navbar a {
    text-decoration: none;
    color: steelblue;
    font-weight: bold;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    min-height: 550px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card h2 {
    font-size: 1.2rem;
    margin: 12px 0;
    color: steelblue;
}

.card img {
    width: 100%;
    max-width: 250px;
    height: 310px;
    object-fit: cover;
    margin: 20px auto;
    display: block;
    border-radius: 6px;
}

.card p {
    font-size: 0.9rem;
    line-height: 1.4;
    max-width: 85%;
    margin: 10px auto 0;
    color: #444;
}

.home-page .card-container {
    display: flex;
    justify-content: center;
}

.home-page .card {
    width: 100%;
    max-width: 1800px;
    min-height: auto;
    padding: 32px;
    align-items: center;
}

.home-page .card h2 {
    font-size: 2rem;
}

.home-page .card p {
    max-width: 900px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.home-image-card {
    width: 100%;
    margin: 30px auto;
}

.home-image-card img {
    width: 100%;
    max-width: 1200px;
    height: 450px;
    object-fit: cover;
    border-radius: 12px;
}

.home-links {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.home-links a {
    text-decoration: none;
    color: steelblue;
    font-weight: bold;
}

.home-links a:hover {
    text-decoration: underline;
}

.fact-btn {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    background-color: steelblue;
    color: white;
    font-size: 1rem;
    cursor: pointer;
}

.fact-btn:hover {
    background-color: #3a6ea5;
}

.ai-wrapper {
    max-width: 1200px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.ai-box-small {
    background-color: #ffffff;
    padding: 16px 20px;
    border-radius: 8px;
    max-width: 600px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
}

.professional-wrapper {
    max-width: 1200px;
    margin: 40px auto;
}

.professional-card {
    background-color: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 50px;
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.professional-card h1 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

.professional-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.professional-box {
    background-color: #ffffff;
    padding: 24px 28px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
}

.professional-box h2 {
    color: steelblue;
    margin-bottom: 12px;
}

.professional-box img {
    width: 100%;
    max-width: 240px;
    height: 150px;
    object-fit: contain;
    margin: 16px auto 18px;
    display: block;
}

.professional-box p {
    line-height: 1.6;
    color: #444;
}

.ai-box-small h2 {
    font-size: 1.2rem;
    color: steelblue;
}

.ai-box-small p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: #444;
}

.ai-box-large {
    background-color: #ffffff;
    padding: 32px 36px;
    border-radius: 12px;
    max-width: 1000px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.ai-box-large h2 {
    font-size: 1.6rem;
    color: steelblue;
}

.ai-box-large p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #444;
}

.ai-image-box {
    text-align: center;
    padding: 20px;
}

.image-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
}

.image-row img {
    width: 290px;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
}