.preview-promo-modal .modal-dialog {
    max-width: min(1280px, 95vw);
}

.preview-promo-content {
    border-radius: 1.4rem;
    overflow: hidden;
    box-shadow: 0 35px 90px rgba(2, 8, 23, 0.45);
}

.preview-promo-layout {
    display: grid;
    grid-template-columns: minmax(340px, 1fr) minmax(460px, 1.1fr);
    min-height: 640px;
}

.preview-promo-hero {
    position: relative;
    overflow: hidden;
    padding: 3.1rem 2.6rem;
    color: #f8fafc;
    background:
        radial-gradient(circle at 12% 18%, rgba(250, 204, 21, 0.34) 0, transparent 37%),
        radial-gradient(circle at 84% 80%, rgba(34, 211, 238, 0.3) 0, transparent 40%),
        linear-gradient(155deg, #020617 0%, #0f172a 36%, #0369a1 100%);
}

.preview-promo-hero::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    top: -170px;
    right: -120px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.55) 0%, rgba(14, 165, 233, 0) 70%);
}

.preview-promo-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0 2px, transparent 2px 13px);
    opacity: 0.32;
    pointer-events: none;
}

.preview-promo-eyebrow,
.preview-promo-title,
.preview-promo-description,
.preview-promo-why,
.preview-promo-cta {
    position: relative;
    z-index: 1;
}

.preview-promo-eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.34rem 0.76rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fef3c7;
    background-color: rgba(255, 255, 255, 0.15);
}

.preview-promo-title {
    margin: 0 0 0.95rem;
    font-size: clamp(1.6rem, 2.3vw, 2.45rem);
    line-height: 1.1;
    font-weight: 850;
    color: #f8fafc;
    text-shadow: 0 2px 14px rgba(2, 8, 23, 0.5);
}

.preview-promo-description {
    margin: 0;
    max-width: 32rem;
    font-size: 1.03rem;
    color: rgba(241, 245, 249, 0.97);
}

.preview-promo-why {
    margin-top: 1.4rem;
}

.preview-promo-why-title {
    margin: 0 0 0.55rem;
    color: #f8fafc;
    font-size: 1.18rem;
    font-weight: 800;
}

.preview-promo-why-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.42rem;
}

.preview-promo-why-list li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 1rem;
    color: rgba(241, 245, 249, 0.98);
}

.preview-promo-why-list i {
    color: #facc15;
    font-size: 1.02rem;
}

.preview-promo-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.preview-promo-btn-primary,
.preview-promo-btn-secondary {
    border-radius: 0.85rem;
    font-weight: 750;
    padding: 0.88rem 1.45rem;
}

.preview-promo-btn-primary {
    color: #111827;
    border-color: #facc15;
    background-color: #facc15;
    box-shadow: 0 12px 30px rgba(250, 204, 21, 0.34);
}

.preview-promo-btn-primary:hover {
    color: #111827;
    background-color: #fbbf24;
    border-color: #fbbf24;
    transform: translateY(-1px);
}

.preview-promo-btn-secondary {
    color: #0f172a;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
}

.preview-promo-btn-secondary:hover {
    color: #0f172a;
    background-color: #e2e8f0;
    border-color: #e2e8f0;
}

.preview-premium-map {
    position: relative;
    overflow: visible;
    padding: 2.7rem 2.2rem 2.5rem;
    background:
        radial-gradient(circle at 88% 12%, rgba(251, 191, 36, 0.28), transparent 34%),
        radial-gradient(circle at 10% 88%, rgba(56, 189, 248, 0.25), transparent 35%),
        linear-gradient(180deg, #f8fafc 0%, #eff6ff 45%, #f8fafc 100%);
}

.preview-premium-map::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.45;
    pointer-events: none;
}

.preview-map-title,
.preview-map-subtitle,
.premium-mindmap {
    position: relative;
    z-index: 1;
}

.preview-map-title {
    margin-bottom: 0.35rem;
    font-weight: 850;
    color: #0f172a;
}

.preview-map-subtitle {
    margin-bottom: 1.2rem;
    color: #475569;
}

.premium-mindmap {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
}

.premium-center-row {
    display: flex;
    justify-content: center;
    width: 100%;
}

.premium-benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.1rem;
}

.mindmap-node {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    min-height: 86px;
    padding: 0.85rem 0.95rem;
    border-radius: 0.95rem;
    background-color: rgba(255, 255, 255, 0.93);
    border: 1px solid rgba(148, 163, 184, 0.42);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(2px);
}

.mindmap-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(155deg, #0284c7 0%, #06b6d4 100%);
    color: #ffffff;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.mindmap-text {
    font-weight: 700;
    color: #0f172a;
    line-height: 1.2;
}

.mindmap-node::before {
    content: none;
}

.mindmap-center {
    width: min(320px, 100%);
    min-height: 74px;
    justify-content: center;
    text-align: center;
    background: linear-gradient(145deg, #0f766e 0%, #0369a1 100%);
    border: 0;
    box-shadow: 0 18px 38px rgba(8, 47, 73, 0.38);
}

.mindmap-center::before {
    content: none;
}

.mindmap-center .mindmap-icon {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1.02rem;
    color: #fde68a;
    background: rgba(255, 255, 255, 0.19);
}

.mindmap-center .mindmap-text {
    color: #ecfeff;
    font-size: 1.06rem;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 8px rgba(8, 47, 73, 0.35);
}

.mindmap-node-materials {
    grid-column: 1;
    grid-row: 1;
}

.mindmap-node-review {
    grid-column: 2;
    grid-row: 1;
}

.mindmap-node-noads {
    grid-column: 1;
    grid-row: 2;
}

.mindmap-node-chat {
    grid-column: 2;
    grid-row: 2;
}

.preview-promo-modal.show .preview-promo-content {
    animation: previewPromoAppear 420ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

.preview-promo-modal.show .mindmap-node-materials {
    animation: previewNodeEnter 440ms 60ms both;
}

.preview-promo-modal.show .mindmap-node-review {
    animation: previewNodeEnter 440ms 120ms both;
}

.preview-promo-modal.show .mindmap-node-noads {
    animation: previewNodeEnter 440ms 180ms both;
}

.preview-promo-modal.show .mindmap-node-chat {
    animation: previewNodeEnter 440ms 240ms both;
}

@keyframes previewPromoAppear {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes previewNodeEnter {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 1200px) {
    .preview-promo-layout {
        grid-template-columns: 1fr;
        min-height: 0;
    }

    .preview-promo-hero {
        padding: 2.3rem 1.4rem;
    }

    .preview-promo-why {
        margin-top: 1.1rem;
    }

    .preview-premium-map {
        padding: 1.55rem 1.2rem 1.3rem;
    }

    .premium-benefits-grid {
        grid-template-columns: 1fr;
        gap: 0.72rem;
    }

    .mindmap-node {
        min-height: 0;
    }

    .mindmap-center {
        width: min(360px, 100%);
    }
}

@media (max-width: 576px) {
    .preview-promo-modal .modal-dialog {
        margin: 0.55rem;
    }

    .preview-promo-title {
        font-size: 1.52rem;
    }

    .preview-promo-description {
        font-size: 0.96rem;
    }

    .preview-promo-why-title {
        font-size: 1.02rem;
    }

    .preview-promo-why-list li {
        font-size: 0.94rem;
    }

    .preview-promo-cta .btn {
        width: 100%;
    }
}