body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #f4f7fb;
}

/* HEADER */
header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #0b6bb8;
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: box-shadow 0.25s ease, padding 0.25s ease;
}

header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    padding: 12px 30px;
}

.logo {
    font-size: 24px;
    font-weight: 600;
}

nav a {
    margin: 0 15px;
    color: #eaf3ff;
    text-decoration: none;
    font-size: 16px;
}

nav a:hover {
    color: white;
}

.login-btn {
    padding: 8px 18px;
    border: 1px solid white;
    background: transparent;
    color: white;
    border-radius: 6px;
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(to bottom right, #0b6bb8, #0d89d8);
    color: white;
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
}

.hero p {
    margin-top: 10px;
    font-size: 18px;
    opacity: 0.9;
}

/* CARD GRID */
.section {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
}

.section-title {
    font-size: 28px;
    font-weight: 600;
    color: #0b6bb8;
    margin-bottom: 25px;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* CARDS */
.card {
    background: white;
    padding: 30px 25px;
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all .25s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-7px) scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 124, 255, 0.3);
}

.card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.card p {
    font-size: 15px;
    opacity: 0.7;
}

/* WHY CHOOSE US */
.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 35px;
}

.why-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border-left: 5px solid #0b6bb8;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
}

.why-card h4 {
    margin: 0;
    color: #0b6bb8;
    font-size: 18px;
    margin-bottom: 8px;
}

.why-card p {
    font-size: 14px;
    opacity: 0.8;
}

/* FOOTER */
footer {
    margin-top: 50px;
    padding: 15px;
    background: #0b6bb8;
    color: white;
    text-align: center;
    font-size: 14px;
}