:root {
    --primary: #5865F2;
    --secondary: #8b5cf6;
    --bg-dark: #0b0f1a;
    --glass: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.15);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1e1b4b, var(--bg-dark));
    color: #e5e7eb;
    overflow-x: hidden;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: white;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
}

.hero h1 .blue {
    color: #3ec7ff;
}

.hero p {
    max-width: 600px;
    opacity: 0.85;
    margin-bottom: 40px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    background: rgba(11, 15, 26, 0.6);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar .logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
}

.navbar nav {
    margin-left: auto;
}

.navbar nav a {
    color: #3ec7ff;
    text-decoration: none;
    font-weight: 600;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
}

.logo span {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
}

.buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.button {
    position: relative;
    padding: 15px 32px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    text-decoration: none;
    overflow: hidden;
}

section {
    max-width: 1100px;
    margin: auto;
    padding: 80px 20px;
}

section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
    color: #c7d2fe;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.card {
    background: var(--glass);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 30px;
    position: relative;
}

.card h3 {
    margin-top: 0;
    color: #a5b4fc;
}

.card p {
    opacity: 0.85;
}

footer {
    text-align: center;
    padding: 40px;
    font-size: 0.9rem;
    opacity: 0.7;
}