/* GLOBAL */
* { box-sizing: border-box; }

body {
    margin: 0;
    background: #0a0f1c;
    color: #e6f0ff;
    font-family: Arial, Helvetica, sans-serif;
}

/* HEADER */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    background: #0f172a;
    border-bottom: 2px solid #1e90ff;
}

header .logo {
    display: flex;
    align-items: center;
}

header .logo img {
    height: 50px;
    margin-right: 15px;
}

header .logo h2 {
    color: #1e90ff;
    font-size: 24px;
    margin: 0;
    white-space: nowrap;
}

/* NAVBAR */
nav {
    background: #0f172a;
    border-bottom: 1px solid #1e90ff;
    padding: 15px;
    text-align: center;
}

nav a {
    color: #1e90ff;
    margin: 0 20px;
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 1px;
}

nav a:hover { 
    text-shadow: 0 0 10px #1e90ff; 
}

nav a.active { 
    border-bottom: 2px solid #1e90ff; 
    padding-bottom: 4px; 
}

/* HERO SECTION */
.hero {
    padding: 100px 20px;
    text-align: center;
    background: radial-gradient(circle at top, #13203a, #0a0f1c 70%);
}

.hero h1 {
    font-size: 48px;
    color: #4da6ff;
    text-shadow: 0 0 20px #1e90ff;
}

.hero p {
    max-width: 700px;
    margin: auto;
    font-size: 18px;
}

/* CARDS & PLANS */
.card, .plan {
    max-width: 900px;
    margin: 60px auto;
    padding: 40px;
    background: #111827;
    box-shadow: 0 0 30px rgba(0,0,0,0.6);
    border: 1px solid #1e90ff;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover, .plan:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 40px rgba(30,144,255,0.4);
}

/* BUTTONS */
button, .cta-btn {
    background: transparent;
    color: #1e90ff;
    border: 2px solid #1e90ff;
    padding: 15px 35px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

button:hover, .cta-btn:hover {
    background: #1e90ff;
    color: #0a0f1c;
    box-shadow: 0 0 20px #1e90ff;
}

/* TEXT */
h1, h2, h3 { 
    color: #4da6ff; 
    text-shadow: 0 0 10px rgba(30,144,255,0.4); 
}

p, li { 
    color: #e6f0ff; 
}

/* FOOTER */
footer {
    border-top: 2px solid #1e90ff;
    padding: 25px;
    text-align: center;
    margin-top: 80px;
    border-radius: 0 0 12px 12px;
    background: #0f172a;
}