#bubble-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.bubble {
    position: absolute;
    bottom: -80px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(180, 235, 255, 0.75) 0%, rgba(100, 200, 255, 0.25) 45%, rgba(50, 160, 230, 0.08) 100%);
    border: 1.5px solid rgba(130, 210, 255, 0.6);
    box-shadow: inset -3px -3px 8px rgba(0, 150, 220, 0.2), inset 3px 3px 8px rgba(180, 235, 255, 0.5), 0 0 10px rgba(100, 200, 255, 0.15);
    animation: floatUp linear infinite;
}

    .bubble::after {
        content: '';
        position: absolute;
        top: 16%;
        left: 18%;
        width: 30%;
        height: 22%;
        background: rgba(200, 240, 255, 0.85);
        border-radius: 50%;
        transform: rotate(-35deg);
        filter: blur(1px);
    }

@keyframes floatUp {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0;
    }

    5% {
        opacity: 1;
    }

    50% {
        transform: translateY(-50vh) translateX(var(--drift)) scale(1.05);
        opacity: 0.85;
    }

    95% {
        opacity: 0.4;
    }

    100% {
        transform: translateY(-115vh) translateX(calc(var(--drift) * 1.7)) scale(0.9);
        opacity: 0;
    }
}
/* ============================================= */

/*nav {
     background: rgba(0,0,0,0.35); 
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
    z-index: 10;
}

    nav .logo {
        font-size: 22px;
        font-weight: 700;
        color: #7dd8ff;
    }

    nav a {
        color: #cce;
        text-decoration: none;
        font-size: 14px;
    }*/

.hero {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, #0077b6 0%, #023e8a 100%);
}

    .hero h1 {
        font-size: 42px;
        font-weight: 800;
        margin-bottom: 12px;
        text-shadow: 0 2px 20px rgba(0,0,0,0.5);
    }

    .hero p {
        font-size: 18px;
        color: rgba(255,255,255,0.85);
    }

    .hero .badge {
        background: rgba(125,216,255,0.2);
        border: 1px solid rgba(125,216,255,0.4);
        padding: 6px 18px;
        border-radius: 30px;
        font-size: 13px;
        margin-bottom: 20px;
    }

.section {
    padding: 60px 32px;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

    .section h2 {
        font-size: 28px;
        margin-bottom: 16px;
        color: #7dd8ff;
    }

    .section p {
        color: rgba(255,255,255,0.75);
        line-height: 1.8;
    }

.code-box {
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(125,216,255,0.2);
    border-radius: 12px;
    padding: 24px;
    margin-top: 32px;
    text-align: left;
}

    .code-box h3 {
        font-size: 13px;
        color: #7dd8ff;
        margin-bottom: 10px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .code-box pre {
        font-family: 'Courier New', monospace;
        font-size: 12px;
        color: #c8f0ff;
        line-height: 1.7;
        white-space: pre-wrap;
        word-break: break-all;
    }