:root {
        --bg-dark: #071022;
        --bg-mid: #0b1220;
        --glass: rgba(255, 255, 255, 0.06);
        --accent-green: #39ff14;
        /* Verde Neon Tech escolhido */
        --accent-green-2: #00d187;
        --card-shadow: 0 10px 30px rgba(3, 10, 20, 0.6);
    }

    html,
    body {
        height: 100%;
        background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-mid) 60%);
        font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
        color: var(--bg-dark)
    }
    
    /* particle canvas full-bleed */
    #tsparticles {
        position: fixed;
        inset: 0;
        z-index: 0;
        pointer-events: none;
        opacity: 1;
        transition: opacity 0.45s ease
    }

    /* hero radial glow (green) */
    .hero-glow {
        position: absolute;
        inset: 0;
        z-index: 0;
        filter: blur(72px);
        opacity: 0.5;
        background:
            radial-gradient(circle at 22% 30%, rgba(57, 255, 20, 0.12), transparent 10%),
            radial-gradient(circle at 78% 70%, rgba(0, 209, 135, 0.09), transparent 12%);
    }

    /* glass */
    .glass {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
        border: 1px solid rgba(255, 255, 255, 0.06);
        backdrop-filter: blur(8px) saturate(120%);
        color: #e9fef0;
    }

    .tiny-glow {
        box-shadow: 0 8px 50px rgba(57, 255, 20, 0.06), 0 2px 12px rgba(0, 209, 135, 0.03)
    }

    /* neon text */
    .neon {
        color: white;
        text-shadow: 0 0 10px rgba(57, 255, 20, 0.12), 0 0 24px rgba(0, 209, 135, 0.06);
    }

    /* typing caret effect */
    .typing::after {
        content: " ";
        display: inline-block;
        width: 2px;
        height: 1.1em;
        margin-left: 6px;
        background: var(--accent-green);
        animation: blink 1s steps(2, start) infinite;
        vertical-align: middle;
    }

    .how-card {
        transition: transform 0.5s ease, box-shadow 0.5s ease;
    }

    .how-card-inner {
        position: relative;
        overflow: hidden;
        border-radius: 18px;
        transform-style: preserve-3d;
        transition: transform .4s cubic-bezier(.25, .85, .45, 1);
        box-shadow: 0 8px 30px rgba(0, 255, 120, 0.12);
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 255, 120, 0.1);
    }

    .how-card:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0px 20px 55px rgba(0, 0, 0, 0.18);
    }

    .how-img {
        transition: transform 0.8s ease;
    }

    .how-card:hover img {
        transform: scale(1.1);
    }

    .how-card-content {
        padding: 18px;
    }

    .how-card-content h3 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--accent-green);
        margin-bottom: 6px;
    }

    .how-card-content p {
        color: #475569;
        line-height: 1.45;
        font-size: .95rem;
    }

    @keyframes blink {
        50% {
            opacity: 0
        }
    }

    /* 3D card perspective */
    .scene {
        perspective: 1400px
    }

    .card-3d {
        transform-style: preserve-3d;
        backface-visibility: hidden;
        transition: transform 0.45s ease;
        will-change: transform
    }

    /* white-section override */
    .white-section {
        background: #fff;
        color: #0b1220
    }

    .white-section .glass {
        color: #0b1220;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
        border: 1px solid rgba(10, 14, 20, 0.06);
        box-shadow: 0 6px 30px rgba(15, 20, 25, 0.06);
    }

    /* card image */
    .card-img {
        height: 180px;
        object-fit: cover;
        border-radius: 10px;
        margin-bottom: 12px
    }

    /* section separators */
    .section-wrap {
        padding: 64px 1rem
    }

    .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 1rem
    }

    /* responsive tweaks */
    @media (min-width: 1024px) {
        .hero-clip {
            height: calc(100vh - 96px)
        }
    }

    /* subtle film grain */
    .grain::after {
        content: "";
        position: fixed;
        inset: 0;
        pointer-events: none;
        background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="300" height="300"><filter id="n"><feTurbulence baseFrequency="0.9" numOctaves="2" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.03" fill="black"/></svg>');
        mix-blend-mode: overlay;
        opacity: 0.6;
    }

    /* whatsapp floating CTA */
    .whatsapp-cta {
        position: fixed;
        right: 20px;
        bottom: 26px;
        z-index: 60;
        background: linear-gradient(135deg, var(--accent-green), var(--accent-green-2));
        color: #041017;
        border-radius: 999px;
        padding: 12px 16px;
        font-weight: 700;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25)
    }

.hero-mockup {
  max-width: 60%;
  height: auto;
  border-radius: 16px;
  filter: drop-shadow(0 0 35px rgba(0,255,140,0.28));
  transform: translateZ(0); /* suaviza tilt caso use */
}

@media (max-width: 768px) {
  .hero-mockup {
    max-width: 90%;
    margin: 0 auto;
  }
}
.benefit-card {
    transition: transform .3s ease, box-shadow .3s ease;
}

.benefit-card:hover {
    box-shadow:
        0 0 0 1px rgba(57, 255, 20, 0.25),
        0 20px 60px rgba(0, 0, 0, 0.6);
}