/* ==========================================================================
   PDF Tools — About + How-to section backgrounds (red accent)
   ========================================================================== */

:root {
    --pdf-red: #dc2626;
    --pdf-red-hover: #b91c1c;
    --pdf-red-light: #fef2f2;
    --pdf-red-border: #fecaca;
}

/* About + Tips sections */
.pdfm-about,
.pdfs-about,
.pdfc-about,
.pdfr-about,
.pdfp-about,
.pdfcv-about {
    padding: 80px 0;
    background: #fff;
    border-top: 1px solid var(--border);
}

/* How-to sections — subtle red tint after white About */
.pdfm-steps-section,
.pdfs-steps-section,
.pdfc-steps-section,
.pdfr-steps-section,
.pdfp-steps-section,
.pdfcv-steps-section {
    padding: 72px 0;
    background: #fef2f2;
    border-top: 1px solid #fecaca;
}

.pdfm-about__grid,
.pdfs-about__grid,
.pdfc-about__grid,
.pdfr-about__grid,
.pdfp-about__grid,
.pdfcv-about__grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: stretch;
}

.pdfm-about__content h2,
.pdfs-about__content h2,
.pdfc-about__content h2,
.pdfr-about__content h2,
.pdfp-about__content h2,
.pdfcv-about__content h2 {
    margin: 0 0 20px;
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--heading);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.pdfm-about__lead,
.pdfs-about__lead,
.pdfc-about__lead,
.pdfr-about__lead,
.pdfp-about__lead,
.pdfcv-about__lead {
    margin: 0 0 16px !important;
    font-size: 1.0625rem !important;
    line-height: 1.75 !important;
    color: var(--heading) !important;
}

.pdfm-about__text,
.pdfs-about__text,
.pdfc-about__text,
.pdfr-about__text,
.pdfp-about__text,
.pdfcv-about__text {
    margin: 0 0 24px !important;
    font-size: 0.9375rem !important;
    line-height: 1.8 !important;
    color: #64748b !important;
}

.pdfm-about__highlights,
.pdfs-about__highlights,
.pdfc-about__highlights,
.pdfr-about__highlights,
.pdfp-about__highlights,
.pdfcv-about__highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pdfm-about__pill,
.pdfs-about__pill,
.pdfc-about__pill,
.pdfr-about__pill,
.pdfp-about__pill,
.pdfcv-about__pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 100px;
}

.pdfm-about__pill svg,
.pdfm-about__pill [data-lucide],
.pdfs-about__pill svg,
.pdfs-about__pill [data-lucide],
.pdfc-about__pill svg,
.pdfc-about__pill [data-lucide],
.pdfr-about__pill svg,
.pdfr-about__pill [data-lucide],
.pdfp-about__pill svg,
.pdfp-about__pill [data-lucide],
.pdfcv-about__pill svg,
.pdfcv-about__pill [data-lucide] {
    width: 15px;
    height: 15px;
}

.pdfm-tips-card,
.pdfs-tips-card,
.pdfc-tips-card,
.pdfr-tips-card,
.pdfp-tips-card,
.pdfcv-tips-card {
    padding: 32px 28px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(15, 23, 42, 0.02), 0 16px 40px rgba(15, 23, 42, 0.07);
    height: 100%;
}

.pdfm-tips-card__head,
.pdfs-tips-card__head,
.pdfc-tips-card__head,
.pdfr-tips-card__head,
.pdfp-tips-card__head,
.pdfcv-tips-card__head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f5f9;
}

.pdfm-tips-card__icon,
.pdfs-tips-card__icon,
.pdfc-tips-card__icon,
.pdfr-tips-card__icon,
.pdfp-tips-card__icon,
.pdfcv-tips-card__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: #d97706;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(217, 119, 6, 0.12);
}

.pdfm-tips-card__icon svg,
.pdfm-tips-card__icon [data-lucide],
.pdfs-tips-card__icon svg,
.pdfs-tips-card__icon [data-lucide],
.pdfc-tips-card__icon svg,
.pdfc-tips-card__icon [data-lucide],
.pdfr-tips-card__icon svg,
.pdfr-tips-card__icon [data-lucide],
.pdfp-tips-card__icon svg,
.pdfp-tips-card__icon [data-lucide],
.pdfcv-tips-card__icon svg,
.pdfcv-tips-card__icon [data-lucide] {
    width: 24px;
    height: 24px;
}

.pdfm-tips-card h3,
.pdfs-tips-card h3,
.pdfc-tips-card h3,
.pdfr-tips-card h3,
.pdfp-tips-card h3,
.pdfcv-tips-card h3 {
    margin: 0 0 4px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--heading);
}

.pdfm-tips-card__sub,
.pdfs-tips-card__sub,
.pdfc-tips-card__sub,
.pdfr-tips-card__sub,
.pdfp-tips-card__sub,
.pdfcv-tips-card__sub {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-light);
}

.pdfm-tips-list,
.pdfs-tips-list,
.pdfc-tips-list,
.pdfr-tips-list,
.pdfp-tips-list,
.pdfcv-tips-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pdfm-tips-list li,
.pdfs-tips-list li,
.pdfc-tips-list li,
.pdfr-tips-list li,
.pdfp-tips-list li,
.pdfcv-tips-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #475569;
    border-bottom: 1px solid #f8fafc;
}

.pdfm-tips-list li:last-child,
.pdfs-tips-list li:last-child,
.pdfc-tips-list li:last-child,
.pdfr-tips-list li:last-child,
.pdfp-tips-list li:last-child,
.pdfcv-tips-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.pdfm-tips-list__check,
.pdfs-tips-list__check,
.pdfc-tips-list__check,
.pdfr-tips-list__check,
.pdfp-tips-list__check,
.pdfcv-tips-list__check {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
    background: #fef2f2;
    color: #dc2626;
    border-radius: 50%;
}

.pdfm-tips-list__check svg,
.pdfm-tips-list__check [data-lucide],
.pdfs-tips-list__check svg,
.pdfs-tips-list__check [data-lucide],
.pdfc-tips-list__check svg,
.pdfc-tips-list__check [data-lucide],
.pdfr-tips-list__check svg,
.pdfr-tips-list__check [data-lucide],
.pdfp-tips-list__check svg,
.pdfp-tips-list__check [data-lucide],
.pdfcv-tips-list__check svg,
.pdfcv-tips-list__check [data-lucide] {
    width: 13px;
    height: 13px;
}

@media (max-width: 900px) {
    .pdfm-about__grid,
    .pdfs-about__grid,
    .pdfc-about__grid,
    .pdfr-about__grid,
    .pdfp-about__grid,
    .pdfcv-about__grid {
        grid-template-columns: 1fr;
    }
}

[data-theme="dark"] .pdfm-about,
[data-theme="dark"] .pdfs-about,
[data-theme="dark"] .pdfc-about,
[data-theme="dark"] .pdfr-about,
[data-theme="dark"] .pdfp-about,
[data-theme="dark"] .pdfcv-about {
    background: #111827;
}

[data-theme="dark"] .pdfm-steps-section,
[data-theme="dark"] .pdfs-steps-section,
[data-theme="dark"] .pdfc-steps-section,
[data-theme="dark"] .pdfr-steps-section,
[data-theme="dark"] .pdfp-steps-section,
[data-theme="dark"] .pdfcv-steps-section {
    background: rgba(220, 38, 38, 0.08);
    border-top-color: rgba(248, 113, 113, 0.15);
}

[data-theme="dark"] .pdfm-tips-card,
[data-theme="dark"] .pdfs-tips-card,
[data-theme="dark"] .pdfc-tips-card,
[data-theme="dark"] .pdfr-tips-card,
[data-theme="dark"] .pdfp-tips-card,
[data-theme="dark"] .pdfcv-tips-card {
    background: #1a2332;
    border-color: var(--border);
}

[data-theme="dark"] .pdfm-about__pill,
[data-theme="dark"] .pdfs-about__pill,
[data-theme="dark"] .pdfc-about__pill,
[data-theme="dark"] .pdfr-about__pill,
[data-theme="dark"] .pdfp-about__pill,
[data-theme="dark"] .pdfcv-about__pill {
    color: #f87171;
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(248, 113, 113, 0.25);
}

[data-theme="dark"] .pdfm-tips-list li,
[data-theme="dark"] .pdfs-tips-list li,
[data-theme="dark"] .pdfc-tips-list li,
[data-theme="dark"] .pdfr-tips-list li,
[data-theme="dark"] .pdfp-tips-list li,
[data-theme="dark"] .pdfcv-tips-list li {
    color: #94a3b8;
    border-color: rgba(255, 255, 255, 0.05);
}