body {
    background:
        radial-gradient(circle at top left, rgba(255, 70, 85, 0.12), transparent 30%),
        linear-gradient(135deg, #0b0d12, #12161f 58%, #191d27 100%);
}

.design-process-page {
    padding: clamp(24px, 4vw, 42px) clamp(16px, 4vw, 60px) clamp(36px, 5vw, 52px);
}

.presentation-shell {
    overflow: hidden;
    min-height: calc(100vh - 170px);
    min-height: calc(100dvh - 170px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.18);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.25);
}

.canva-iframe {
    display: block;
    width: 100%;
    height: calc(100vh - 170px);
    height: calc(100dvh - 170px);
    min-height: 620px;
    border: none;
}

@media (max-width: 768px) {
    .design-process-page {
        padding-top: 20px;
        padding-bottom: 32px;
    }

    .presentation-shell {
        min-height: calc(100vh - 210px);
        min-height: calc(100dvh - 210px);
    }

    .canva-iframe {
        height: calc(100vh - 210px);
        height: calc(100dvh - 210px);
        min-height: 500px;
    }
}