:root {
    --bg-start: #020615;
    --bg-end: #071833;
    --accent: #33b7ff;
    --accent-2: #7cffd5;
    --text-primary: #f4f6fb;
    --text-muted: #a4b0c4;
    --card-bg: rgba(7, 20, 45, 0.65);
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 30px 60px rgba(2, 8, 25, 0.65);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Fira Sans', 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, rgba(51, 183, 255, 0.12), transparent 45%),
        linear-gradient(160deg, var(--bg-start), var(--bg-end));
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(52, 116, 255, 0.25), transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.page-shell {
    width: min(1360px, 96vw);
    margin: 0 auto;
    padding-bottom: 120px;
}

section, header {
    padding: 120px 0;
}

.section-heading h2 {
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: 16px;
}

.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 13px;
    color: var(--accent-2);
    margin-bottom: 12px;
}

.btn {
    border: none;
    border-radius: 999px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #001025;
    box-shadow: 0 15px 40px rgba(51, 183, 255, 0.4);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn--outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn:hover {
    transform: translateY(-3px);
}

[data-animate] {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .page-shell {
        width: 94vw;
        padding-bottom: 80px;
    }

    section, header {
        padding: 60px 0;
    }

    .section-heading h2 {
        font-size: clamp(28px, 8vw, 36px);
    }

    .section-eyebrow {
        font-size: 11px;
        letter-spacing: 0.2em;
    }

    .btn {
        width: 100%;
        padding: 16px 24px;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}