.dpile-investor-tool {
    padding: 48px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 40%);
}

.dpile-investor-tool__inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

.hero {
    display: flex;
    gap: 32px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(56, 189, 248, 0.08) 100%);
    border-radius: 28px;
    padding: 36px 48px;
}

.hero__content h1 {
    font-size: 2.8rem;
    margin-bottom: 12px;
    color: #0f172a;
}

.hero__subtitle {
    color: #475569;
    font-size: 1.05rem;
    margin-bottom: 12px;
}

.hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.75rem;
    color: #6366f1;
    margin-bottom: 8px;
}

.hero__badges span {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    background: #eef2ff;
    color: #4c51bf;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.75rem;
    margin-right: 8px;
}

.hero__art img {
    max-width: 280px;
    width: 100%;
}

.layout {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: flex-start;
}

.layout__form {
    background: #ffffff;
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
}

.layout__form fieldset {
    border: 1px solid #e2e8f0;
    padding: 18px;
    margin-bottom: 16px;
    border-radius: 14px;
}

.layout__form legend {
    font-weight: 600;
    color: #1e293b;
}

.field {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
}

.field label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #1e293b;
}

.field input,
.field textarea {
    border: 1px solid #cbd5f5;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.9rem;
    transition: border 0.2s ease;
}

.field input::placeholder,
.field textarea::placeholder {
    color: #334155;
    opacity: 1;
}

.field input:focus,
.field textarea:focus {
    border-color: #6366f1;
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.field span {
    color: #dc2626;
}

.grid-2 {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-bottom: 12px;
}

.layout__preview {
    position: sticky;
    top: 24px;
}

.preview-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
    margin-bottom: 16px;
}

.preview {
    min-height: 540px;
}

.preview__placeholder {
    text-align: center;
    padding: 80px 16px;
    color: #64748b;
}

.preview__placeholder h2 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    border-color: #1d4ed8;
    color: #fff;
}

.btn-default {
    background: #f8fafc;
    border-color: #e2e8f0;
    color: #1e293b;
}

.btn[disabled] {
    opacity: 0.5;
    pointer-events: none;
}

.btn.is-loading {
    position: relative;
}

.btn.is-loading::after {
    content: "";
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-top-color: rgba(255, 255, 255, 1);
    position: absolute;
    right: 10px;
    animation: btn-spin 0.8s linear infinite;
}

.btn-default.is-loading::after {
    border: 2px solid rgba(37, 99, 235, 0.4);
    border-top-color: rgba(37, 99, 235, 1);
}

@keyframes btn-spin {
    to {
        transform: rotate(360deg);
    }
}

#custom-metrics .metric-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.metric-row input {
    flex: 1;
}

.metric-row button {
    padding: 8px 12px;
}

#tldr-counter {
    align-self: flex-end;
    font-size: 0.75rem;
    color: #64748b;
}

.preview__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 245, 249, 0.9) 100%);
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.14);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.preview__card--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.15);
}

.preview__content {
    background: #ffffff;
    border-radius: 18px;
    padding: 32px;
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.12);
    color: #1e293b;
}

.preview__content .iu-preview-body {
    color: #1e293b;
    font-size: 0.95rem;
    line-height: 1.7;
}

.preview__content .iu-hero {
    margin-bottom: 28px;
}

.preview__content .iu-subject {
    display: inline-flex;
    align-items: center;
    background: #eef2ff;
    color: #4338ca;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
    font-size: 0.7rem;
}

.preview__content .iu-title {
    font-size: 1.8rem;
    margin: 0 0 14px;
    color: #0f172a;
}

.preview__content .iu-tldr {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
    background: #f8fafc;
    border-left: 4px solid #6366f1;
    padding: 16px 18px;
    border-radius: 16px;
}

.preview__content .iu-tldr__label {
    font-weight: 700;
    color: #4f46e5;
    letter-spacing: 0.08em;
}

.preview__content .iu-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.preview__content .iu-section h2 {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1f2937;
    margin: 0 0 12px;
}

.preview__content .iu-section p {
    margin: 0 0 12px;
    color: #334155;
}

.preview__content .iu-section ul {
    margin: 0;
    padding-left: 20px;
    color: #334155;
}

.preview__content .iu-section li {
    margin-bottom: 6px;
}

.preview__content .iu-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px 16px;
}

.preview__content .iu-metric {
    background: #f8fafc;
    border-radius: 14px;
    padding: 14px 16px;
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.preview__content .iu-metric__label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 6px;
}

.preview__content .iu-metric__value {
    font-weight: 600;
    font-size: 0.95rem;
    color: #1e293b;
}

.preview__content .iu-links a {
    color: #2563eb;
    text-decoration: none;
}

.preview__content .iu-links a:hover {
    text-decoration: underline;
}

.preview__content .iu-signoff {
    margin-top: 32px;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    padding-top: 16px;
    color: #475569;
}

.preview__content .iu-signoff p {
    margin: 0 0 6px;
}

.investor-tool-faq {
    margin-top: 72px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(56, 189, 248, 0.08) 100%);
    border-radius: 28px;
    padding: 40px 48px;
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.12);
}

.investor-tool-faq h2 {
    font-size: 1.6rem;
    color: #0f172a;
    margin-bottom: 12px;
}

.faq-intro {
    color: #475569;
    margin-bottom: 24px;
    max-width: 720px;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    background: #fff;
    border-radius: 16px;
    padding: 18px 22px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.faq-item[open] {
    border-color: rgba(99, 102, 241, 0.35);
}

.faq-item summary {
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 24px;
}

.faq-item summary::marker,
.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-weight: 700;
    color: #6366f1;
}

.faq-item[open] summary::after {
    content: '–';
}

.faq-item p {
    margin: 12px 0 0;
    color: #475569;
}

@media (max-width: 992px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .layout__form {
        max-height: none;
        overflow: visible;
    }

    .layout__preview {
        position: static;
    }

    .preview-actions {
        position: sticky;
        bottom: 12px;
        background: rgba(255, 255, 255, 0.9);
        padding: 12px;
        border-radius: 14px;
        box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
        justify-content: center;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .preview__card {
        padding: 28px 20px;
    }

    .preview__content {
        padding: 24px;
    }

    .investor-tool-faq {
        padding: 32px 24px;
    }
}

.footer-tools {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.footer-tools h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.footer-tools ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-tools a {
    color: #2563eb;
    text-decoration: none;
}

.footer-tools a:hover {
    text-decoration: underline;
}