:root {
    --primary: #7dcfff;
    --dark: #0f172a;
    --light: #f1f5f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---------- Hero ---------- */
.hero {
    flex: 1;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 4rem 1.5rem;
}

.gradient-text {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, #98b5ff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    max-width: 46ch;
    margin: 0 auto 2.5rem;
    opacity: 0.8;
}

.btn {
    display: inline-block;
    padding: 0.85rem 2.25rem;
    border-radius: 50px;
    font-weight: 600;
    background: var(--primary);
    color: var(--dark);
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(125, 207, 255, 0.35);
}

/* ---------- Footer ---------- */
footer {
    text-align: center;
    padding: 1rem 0;
    font-size: 0.85rem;
    background: #0b111e;
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
    .hero p {
        font-size: 1.25rem;
    }
}