/* ==========================================================================
   VARI PONTOONS — BLOG PAGES
   Shared stylesheet for blogs.html (listing) and every blog article page
   Color scheme / font tokens aligned to the site's established palette
   (same tokens as case-study.css / newstyle-5.css)
   ========================================================================== */

:root {
    --vp-blue: #0b5ea8;
    --vp-blue-dark: #073a6d;
    --vp-blue-light: #e8f2fb;
    --vp-teal: #1a6fb0;
    --vp-ink: #000;
    --vp-grey: #000;
    --vp-muted: #5b6b7d;
    --vp-border: #e2e8ef;
    --vp-radius: 14px;
    --vp-radius-sm: 8px;
    --vp-shadow: 0 10px 30px rgba(10, 40, 70, .08);
    --vp-shadow-hover: 0 16px 40px rgba(10, 40, 70, .14);
}

.vp-blog-page {
    font-family: 'Arial', sans-serif;
}

.vp-blog-page .container {
    max-width: 1240px;
}

/* -------------------------------------------------------------
   Section heading kit
------------------------------------------------------------- */
.vp-blog-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .92rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--vp-teal);
    margin-bottom: 14px;
}

.vp-blog-kicker::before {
    content: "";
    width: 26px;
    height: 2px;
    background: var(--vp-blue);
    display: inline-block;
}

.vp-blog-head-center {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 44px;
}

.vp-blog-head-center .vp-blog-kicker::before {
    display: none;
}

.vp-blog-section-title {
    font-family: 'Arial', sans-serif;
    font-weight: 800;
    color: var(--vp-ink);
    font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.3rem);
    line-height: 1.25;
    margin-bottom: 16px;
}

.vp-blog-section-desc {
    color: var(--vp-grey);
    font-size: 17px;
    line-height: 1.75;
    margin: 0;
}

/* -------------------------------------------------------------
   1. BLOG LISTING — CARD GRID (blogs.html)
------------------------------------------------------------- */
.vp-blog-list-section {
    padding: 70px 0 80px;
    background: #f5f8fb;
}

.vp-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* The whole card is a single <a> — every part of it is clickable */
.vp-blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border: 1px solid var(--vp-border);
    border-radius: var(--vp-radius);
    overflow: hidden;
    box-shadow: var(--vp-shadow);
    text-decoration: none;
    color: inherit;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.vp-blog-card:hover,
.vp-blog-card:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--vp-shadow-hover);
    border-color: var(--vp-teal);
    color: inherit;
    text-decoration: none;
}

.vp-blog-card:focus-visible {
    outline: 3px solid var(--vp-teal);
    outline-offset: 3px;
}

.vp-blog-card-img {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--vp-blue-light);
}

.vp-blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s ease;
}

.vp-blog-card:hover .vp-blog-card-img img {
    transform: scale(1.06);
}

.vp-blog-card-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--vp-blue);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 30px;
}

.vp-blog-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 24px 24px 26px;
}

.vp-blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 16px;
    font-size: .85rem;
    color: var(--vp-muted);
    margin-bottom: 12px;
}

.vp-blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.vp-blog-card-meta svg {
    width: 15px;
    height: 15px;
    stroke: var(--vp-teal);
    flex: none;
}

.vp-blog-card-title {
    font-family: 'Arial', sans-serif;
    font-size: 1.22rem;
    font-weight: 800;
    line-height: 1.4;
    color: var(--vp-ink);
    margin: 0 0 12px;
    transition: color .25s ease;
}

.vp-blog-card:hover .vp-blog-card-title {
    color: var(--vp-blue);
}

.vp-blog-card-excerpt {
    font-size: .95rem;
    line-height: 1.7;
    color: var(--vp-grey);
    margin: 0 0 20px;
    flex: 1;
}

.vp-blog-card-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: .92rem;
    color: var(--vp-blue);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.vp-blog-card-more svg {
    width: 16px;
    height: 16px;
    transition: transform .25s ease;
}

.vp-blog-card:hover .vp-blog-card-more svg {
    transform: translateX(5px);
}

/* -------------------------------------------------------------
   2. ARTICLE PAGE — LAYOUT
------------------------------------------------------------- */
.vp-blog-article-section {
    padding: 70px 0 80px;
    background: #fff;
}

/* Single, centred reading column */
.vp-blog-layout {
    max-width: 920px;
    margin: 0 auto;
}

/* Article header */
.vp-blog-article-head {
    margin-bottom: 28px;
}

.vp-blog-article-title {
    font-family: 'Arial', sans-serif;
    font-weight: 800;
    color: var(--vp-ink);
    font-size: clamp(1.6rem, 1.15rem + 1.8vw, 2.5rem);
    line-height: 1.25;
    margin: 0 0 18px;
}

.vp-blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    font-size: .92rem;
    color: var(--vp-muted);
    padding-bottom: 22px;
    border-bottom: 1px solid var(--vp-border);
}

.vp-blog-article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.vp-blog-article-meta svg {
    width: 16px;
    height: 16px;
    stroke: var(--vp-teal);
    flex: none;
}

/* Featured image — sits before the Introduction, with breathing room */
.vp-blog-featured {
    margin: 32px 0 44px;
    border-radius: var(--vp-radius);
    overflow: hidden;
    box-shadow: var(--vp-shadow);
}

.vp-blog-featured img {
    display: block;
    width: 100%;
    height: auto;
}

.vp-blog-featured figcaption {
    font-size: .85rem;
    color: var(--vp-muted);
    background: #f5f8fb;
    padding: 12px 18px;
}

/* -------------------------------------------------------------
   3. ARTICLE PAGE — TYPOGRAPHY
------------------------------------------------------------- */
.vp-blog-content {
    color: var(--vp-grey);
    font-size: 17px;
    line-height: 1.85;
}

.vp-blog-content h2 {
    font-family: 'Arial', sans-serif;
    font-weight: 800;
    color: var(--vp-ink);
    font-size: clamp(1.35rem, 1.1rem + .9vw, 1.8rem);
    line-height: 1.3;
    margin: 48px 0 18px;
    padding-left: 16px;
    border-left: 4px solid var(--vp-teal);
    scroll-margin-top: 120px;
}

.vp-blog-content h2:first-child {
    margin-top: 0;
}

.vp-blog-content h3 {
    font-family: 'Arial', sans-serif;
    font-weight: 700;
    color: var(--vp-blue-dark);
    font-size: 1.2rem;
    line-height: 1.4;
    margin: 30px 0 10px;
}

.vp-blog-content p {
    margin: 0 0 18px;
}

.vp-blog-content a {
    color: var(--vp-blue);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(11, 94, 168, .35);
    text-underline-offset: 3px;
    transition: color .2s ease, text-decoration-color .2s ease;
}

.vp-blog-content a:hover {
    color: var(--vp-teal);
    text-decoration-color: var(--vp-teal);
}

.vp-blog-content strong {
    color: var(--vp-ink);
}

/* Bullet list */
.vp-blog-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
}

.vp-blog-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
}

.vp-blog-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 11px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--vp-teal);
    box-shadow: 0 0 0 4px var(--vp-blue-light);
}

/* Numbered step cards (manufacturing process) */
.vp-blog-steps {
    list-style: none;
    counter-reset: vpstep;
    padding: 0;
    margin: 8px 0 24px;
    display: grid;
    gap: 14px;
}

.vp-blog-steps li {
    counter-increment: vpstep;
    position: relative;
    background: #f5f8fb;
    border: 1px solid var(--vp-border);
    border-radius: var(--vp-radius-sm);
    padding: 18px 20px 18px 74px;
    line-height: 1.7;
}

.vp-blog-steps li::before {
    content: counter(vpstep, decimal-leading-zero);
    position: absolute;
    left: 18px;
    top: 18px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--vp-blue);
    color: #fff;
    font-weight: 800;
    font-size: .9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Benefit / point grid */
.vp-blog-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 10px 0 24px;
}

.vp-blog-point {
    background: #fff;
    border: 1px solid var(--vp-border);
    border-top: 3px solid var(--vp-teal);
    border-radius: var(--vp-radius-sm);
    padding: 20px 22px;
    box-shadow: 0 4px 14px rgba(10, 40, 70, .05);
}

.vp-blog-point h3 {
    margin: 0 0 8px;
    font-size: 1.08rem;
}

.vp-blog-point p {
    margin: 0;
    font-size: .97rem;
    line-height: 1.7;
}

/* Callout */
.vp-blog-callout {
    background: var(--vp-blue-light);
    border-left: 4px solid var(--vp-blue);
    border-radius: var(--vp-radius-sm);
    padding: 20px 24px;
    margin: 24px 0;
}

.vp-blog-callout p:last-child {
    margin-bottom: 0;
}

/* In-article CTA band */
.vp-blog-cta {
    background: linear-gradient(120deg, var(--vp-blue-dark) 0%, var(--vp-blue) 100%);
    color: #fff;
    border-radius: var(--vp-radius);
    padding: 34px 34px;
    margin: 40px 0 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.vp-blog-cta h3 {
    color: #fff;
    margin: 0 0 6px;
    font-size: 1.35rem;
}

.vp-blog-cta p {
    color: rgba(255, 255, 255, .88);
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
}

.vp-blog-content .vp-blog-cta a.vp-blog-btn,
.vp-blog-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: none;
    background: #fff;
    color: var(--vp-blue);
    font-weight: 700;
    font-size: .95rem;
    padding: 13px 26px;
    border-radius: 40px;
    text-decoration: none;
    transition: background .25s ease, color .25s ease;
}

.vp-blog-content .vp-blog-cta a.vp-blog-btn:hover,
.vp-blog-btn:hover {
    background: var(--vp-teal);
    color: #fff;
}

.vp-blog-btn svg {
    width: 16px;
    height: 16px;
}

/* Tags */
.vp-blog-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--vp-border);
}

.vp-blog-tags strong {
    margin-right: 4px;
}

/* Tags are internal links — selector is specific enough to beat .vp-blog-content a */
.vp-blog-content .vp-blog-tags a {
    background: var(--vp-blue-light);
    color: var(--vp-blue-dark);
    font-size: .85rem;
    font-weight: 600;
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: 30px;
    text-decoration: none;
    transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.vp-blog-content .vp-blog-tags a:hover,
.vp-blog-content .vp-blog-tags a:focus-visible {
    background: var(--vp-blue);
    color: #fff;
    border-color: var(--vp-blue);
}

/* -------------------------------------------------------------
   4. RELATED POSTS / BACK LINK
------------------------------------------------------------- */
.vp-blog-related-section {
    padding: 60px 0 70px;
    background: #f5f8fb;
}

.vp-blog-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--vp-blue);
    text-decoration: none;
}

.vp-blog-back:hover {
    color: var(--vp-teal);
}

.vp-blog-back svg {
    width: 16px;
    height: 16px;
}

/* -------------------------------------------------------------
   5. RESPONSIVE
------------------------------------------------------------- */
@media (max-width: 991px) {
    .vp-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .vp-blog-list-section,
    .vp-blog-article-section {
        padding: 50px 0 60px;
    }

    .vp-blog-grid,
    .vp-blog-points {
        grid-template-columns: 1fr;
    }

    .vp-blog-content {
        font-size: 16px;
    }

    .vp-blog-featured {
        margin: 24px 0 32px;
    }

    .vp-blog-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 26px 22px;
    }

    .vp-blog-steps li {
        padding: 66px 18px 18px;
    }
}