body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #fafafa;
    color: #333;
    font-size: 18px;
    line-height: 1.6;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, #6fb1ff, #a8d8ff);
    color: #fff;
    text-align: center;
    padding: 90px 20px;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.tagline {
    font-size: 1.4rem;
    max-width: 650px;
    margin: 0 auto 25px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    background: #fff;
    color: #2f7ed8;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
}

/* FEATURES */
.features {
    padding: 70px 20px;
    text-align: center;
}

.features h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: #2f7ed8;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    text-align: left;
}

.feature h3 {
    margin-top: 0;
    color: #2f7ed8;
    font-size: 1.4rem;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 25px;
    background: #eaeaea;
    margin-top: 50px;
    font-size: 1rem;
}

/* MENU */
.layout {
    display: flex;
    min-height: 100vh;
    background: #f5f5f5;
}

.sidebar {
    width: 250px;
    background: #2c3e50;
    color: white;
    padding: 20px;
    box-sizing: border-box;
}

.sidebar a {
    color: #ecf0f1;
    text-decoration: none;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar li {
    margin: 10px 0;
}

.content {
    flex: 1;
    padding: 30px;
    background: white;
    box-sizing: border-box;
}