/* =========================================
   BLOG-ARTICLE.CSS
   Shared long-form article template, reused by
   every /blog/<post>/ page (and the future /es/ twin).
   Depends on blog.css for tokens/kicker/glass/section-head.
   ========================================= */

/* --- Reading progress bar --- */
.blog-post-progress-track {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 1100;
    background: rgba(232, 229, 240, 0.08);
}

.blog-post-progress-bar {
    height: 100%;
    width: 0%;
    background: #e8e5f0;
    transition: width 0.1s linear;
}

/* =========================================
   HERO
   ========================================= */

.blog-post-hero {
    position: relative;
    padding: 15vh 5vw 5rem;
    z-index: 1;
}

.blog-post-hero::after {
    content: "";
    position: absolute;
    inset: 6% -12% auto auto;
    width: clamp(260px, 34vw, 620px);
    height: clamp(260px, 34vw, 620px);
    border-radius: 999px;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.14), transparent 45%),
        radial-gradient(circle at 60% 65%, rgba(255, 255, 255, 0.06), transparent 48%);
    filter: blur(18px);
    opacity: 0.5;
    pointer-events: none;
}

.blog-post-hero-inner {
    position: relative;
    width: min(880px, 100%);
    margin: 0 auto;
    text-align: center;
}

.blog-post-hero .blog-kicker {
    justify-content: center;
}

.blog-post-title {
    font-family: var(--font-raleway);
    font-size: clamp(2.6rem, 6vw, 5rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: #e8e5f0;
    font-weight: 300;
    margin: 1rem 0 1.5rem;
    text-wrap: balance;
}

.blog-post-dek {
    max-width: 62ch;
    margin: 0 auto 2.2rem;
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: rgba(232, 229, 240, 0.9);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.75s var(--transition-smooth), transform 0.75s var(--transition-smooth);
}

.blog-post-meta-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    color: rgba(232, 229, 240, 0.55);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.75s var(--transition-smooth), transform 0.75s var(--transition-smooth);
}

/* Revealed together, right after the hero title finishes typing: the same
   fade and rise used on the feature image, which follows a beat later. */
.blog-post-dek.is-visible,
.blog-post-meta-row.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-post-meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: currentColor;
}

/* --- Feature (full-bleed) image --- */
.blog-post-feature {
    width: 100%;
    z-index: 1;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1s var(--transition-smooth), transform 1s var(--transition-smooth);
}

.blog-post-feature.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-post-feature-media {
    position: relative;
    height: 70vh;
    overflow: hidden;
}

.blog-post-feature-media img {
    position: absolute;
    inset: -10% 0;
    width: 100%;
    height: 120%;
    object-fit: cover;
    display: block;
}

.blog-post-feature-caption {
    max-width: min(var(--blog-content-max), 100%);
    margin: 1rem auto 0;
    padding: 0 5vw;
    font-size: 0.85rem;
    color: rgba(232, 229, 240, 0.5);
    text-align: center;
}

/* =========================================
   PROSE (rich body text)
   ========================================= */

.blog-prose {
    width: min(720px, 100%);
    margin: 0 auto;
    padding: 8vh 5vw 2vh;
    z-index: 1;
    position: relative;
}

.blog-prose > * + * {
    margin-top: 1.5rem;
}

.blog-prose p {
    font-family: var(--font-sans);
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
    line-height: 1.85;
    color: rgba(232, 229, 240, 0.9);
}

.blog-prose h2 {
    font-family: var(--font-raleway);
    font-weight: 300;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
    color: #e8e5f0;
    margin-top: 3rem;
    text-wrap: balance;
}

.blog-prose strong {
    color: #e8e5f0;
    font-weight: 600;
}

.blog-prose ul {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.blog-prose li {
    position: relative;
    padding-left: 1.6rem;
    font-size: clamp(1.02rem, 1.25vw, 1.12rem);
    line-height: 1.7;
    color: rgba(232, 229, 240, 0.9);
}

.blog-prose li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 8px;
    height: 1px;
    background: rgba(232, 229, 240, 0.5);
}

.blog-prose-word {
    display: inline-block;
}

@media (prefers-reduced-motion: reduce) {
    .blog-prose-word {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* =========================================
   STAT BAND
   ========================================= */

.blog-stat-intro {
    width: min(720px, 100%);
    max-width: 720px;
    padding: 6vh 5vw 0;
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

/* Creative reveal: the kicker's line draws out first, the heading wipes in
   behind it, and the paragraph settles in last: a small cascade instead of
   a plain fade. */
.blog-stat-intro .blog-kicker::before {
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.6s var(--transition-collab);
}

.blog-stat-intro.is-visible .blog-kicker::before {
    transform: scaleX(1);
}

.blog-stat-intro h2 {
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.9s var(--transition-collab) 0.15s;
}

.blog-stat-intro.is-visible h2 {
    clip-path: inset(0 0 0 0);
}

.blog-stat-intro p {
    max-width: none;
    margin: 1.5rem 0 0;
    font-family: var(--font-sans);
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
    line-height: 1.85;
    color: rgba(232, 229, 240, 0.9);
    text-align: left;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.8s var(--transition-smooth) 0.5s, transform 0.8s var(--transition-smooth) 0.5s;
}

.blog-stat-intro.is-visible p {
    opacity: 1;
    transform: translateY(0);
}

.blog-stat-intro + .blog-stat-band {
    padding-top: 3vh;
}

.blog-stat-band {
    width: min(var(--blog-content-max), 100%);
    margin: 0 auto;
    padding: 6vh 5vw;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    z-index: 1;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.blog-stat-band.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-stat-band-label {
    grid-column: 1 / -1;
    margin: 0 0 0.35rem;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(232, 229, 240, 0.9);
    text-align: center;
}

.blog-stat-card {
    padding: 1.6rem 1.5rem;
}

.blog-stat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.22);
}

.blog-stat-card:hover::before {
    opacity: 0.75;
    transform: translate(10%, -12%) scale(1.15);
}

.blog-stat-card:hover .blog-stat-number {
    color: #ffffff;
}

.blog-stat-number {
    display: block;
    font-family: var(--font-raleway);
    font-weight: 300;
    font-size: clamp(2.1rem, 3.4vw, 2.9rem);
    letter-spacing: -0.02em;
    color: #e8e5f0;
    margin-bottom: 0.4rem;
}

.blog-stat-label {
    font-size: 0.85rem;
    color: rgba(232, 229, 240, 0.9);
    line-height: 1.4;
}

/* =========================================
   ALTERNATING ROWS
   ========================================= */

.blog-rows {
    padding: 8vh 5vw;
    display: flex;
    flex-direction: column;
    gap: 12vh;
    max-width: var(--blog-content-max);
    margin: 0 auto;
    z-index: 1;
    position: relative;
}

.blog-row {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--transition-smooth), transform 0.85s var(--transition-smooth);
}

.blog-row.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-row.reverse {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
}

.blog-row.reverse .blog-row-media {
    order: 2;
}

.blog-row.reverse .blog-row-copy {
    order: 1;
}

.blog-row-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    display: block;
    transition: transform 0.6s ease-out;
}

.blog-row:hover .blog-row-media img {
    transform: scale(1.025);
}

.blog-row-copy h3 {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: clamp(1.6rem, 2.6vw, 2.25rem);
    line-height: 1.2;
    color: #e8e5f0;
    margin: 0.75rem 0 1.15rem;
    letter-spacing: -0.01em;
    text-wrap: balance;
}

.blog-row-copy p {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 1.3vw, 1.12rem);
    line-height: 1.75;
    color: rgba(232, 229, 240, 0.9);
    margin: 0;
    max-width: 52ch;
}

/* =========================================
   PULL QUOTE
   ========================================= */

.blog-pull-quote {
    width: min(920px, 100%);
    margin: 4vh auto;
    padding: 4vh 5vw;
    text-align: center;
    z-index: 1;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.85s var(--transition-smooth), transform 0.85s var(--transition-smooth);
}

.blog-pull-quote.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-pull-quote blockquote {
    font-family: var(--font-raleway);
    font-weight: 300;
    font-size: clamp(1.7rem, 3.4vw, 2.75rem);
    line-height: 1.28;
    letter-spacing: -0.015em;
    color: #e8e5f0;
    margin: 0;
    text-wrap: balance;
}

.blog-pull-quote cite {
    display: block;
    margin-top: 1.5rem;
    font-style: normal;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(232, 229, 240, 0.5);
}

/* =========================================
   BEFORE / AFTER COMPARE SLIDER
   ========================================= */

.blog-compare-wrap {
    width: min(var(--blog-content-max), 100%);
    margin: 6vh auto;
    padding: 0 5vw;
    z-index: 1;
    position: relative;
}

.blog-compare {
    --pos: 50%;
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-alt);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
    cursor: ew-resize;
    user-select: none;
    touch-action: pan-y;
}

.blog-compare-before,
.blog-compare-after {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.blog-compare-before img,
.blog-compare-after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-compare-after {
    clip-path: inset(0 0 0 var(--pos));
}

/* Stylized "reference data" base layer: schematic, not a copied map */
.blog-compare-before {
    background:
        radial-gradient(circle at 22% 28%, rgba(255, 255, 255, 0.12), transparent 40%),
        linear-gradient(160deg, #14171a 0%, #0c0e10 100%);
    background-color: #0c0e10;
}

.blog-compare-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
    background-size: 34px 34px;
    opacity: 0.5;
}

.blog-compare-plots {
    position: absolute;
    inset: 0;
}

.blog-compare-plot {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.06);
}

.blog-compare-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--pos);
    width: 2px;
    background: rgba(255, 255, 255, 0.85);
    transform: translateX(-50%);
    cursor: ew-resize;
}

.blog-compare-handle-grip {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(14, 16, 18, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.blog-compare-handle-grip svg {
    width: 14px;
    height: 14px;
}

.blog-compare:focus-within .blog-compare-handle-grip,
.blog-compare-handle:hover .blog-compare-handle-grip {
    border-color: rgba(255, 255, 255, 0.6);
}

.blog-compare-tag {
    position: absolute;
    top: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    background: rgba(10, 12, 14, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    color: rgba(232, 229, 240, 0.85);
    pointer-events: none;
}

.blog-compare-tag--before {
    left: 1.1rem;
}

.blog-compare-tag--after {
    right: 1.1rem;
}

.blog-compare-caption {
    margin-top: 1.1rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(232, 229, 240, 0.55);
    max-width: 62ch;
    margin-left: auto;
    margin-right: auto;
}

.blog-compare-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 0.75rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(232, 229, 240, 0.4);
}

/* =========================================
   CTA BAND
   ========================================= */

.blog-cta-band {
    width: min(1100px, 100%);
    margin: 6vh auto 4vh;
    padding: clamp(2.5rem, 5vw, 4rem);
    border-radius: 32px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    z-index: 1;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.85s var(--transition-smooth), transform 0.85s var(--transition-smooth);
}

.blog-cta-band.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-cta-copy h2 {
    font-family: var(--font-raleway);
    font-weight: 300;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin: 0 0 0.6rem;
    color: #e8e5f0;
}

.blog-cta-copy p {
    margin: 0;
    max-width: 46ch;
    color: rgba(232, 229, 240, 0.9);
    font-size: 1rem;
}

/* =========================================
   END-OF-ARTICLE DIVIDER
   ========================================= */

.blog-end-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: min(var(--blog-content-max), 100%);
    margin: 4vh auto 0;
    padding: 0 5vw;
    z-index: 1;
    position: relative;
}

.blog-end-divider-line {
    flex: 1 1 auto;
    max-width: 220px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 229, 240, 0.32));
    transform: scaleX(0);
    transition: transform 0.9s var(--transition-collab);
}

.blog-end-divider-line:first-child {
    transform-origin: right center;
}

.blog-end-divider-line:last-child {
    background: linear-gradient(90deg, rgba(232, 229, 240, 0.32), transparent);
    transform-origin: left center;
}

.blog-end-divider.is-visible .blog-end-divider-line {
    transform: scaleX(1);
}

.blog-end-divider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(232, 229, 240, 0.85);
    box-shadow: 0 0 0 6px rgba(232, 229, 240, 0.12);
    flex: none;
    opacity: 0;
    transform: scale(0.4);
    transition: opacity 0.5s ease 0.4s, transform 0.5s var(--transition-collab) 0.4s;
    animation: blogEndDividerPulse 2.6s ease-in-out infinite;
    animation-play-state: paused;
}

.blog-end-divider.is-visible .blog-end-divider-dot {
    opacity: 1;
    transform: scale(1);
    animation-play-state: running;
}

@keyframes blogEndDividerPulse {
    0%, 100% {
        box-shadow: 0 0 0 6px rgba(232, 229, 240, 0.12);
    }
    50% {
        box-shadow: 0 0 0 11px rgba(232, 229, 240, 0.2);
    }
}

/* =========================================
   RELATED ARTICLES
   ========================================= */

.blog-related {
    padding: 6vh 5vw 14vh;
    z-index: 1;
    position: relative;
}

.blog-related .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* --- Back-to-blog link (reuses global .sp-back-link visual language) --- */
.blog-post-back-nav {
    display: flex;
    justify-content: center;
    padding: 0 5vw 10vh;
    position: relative;
    z-index: 1;
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 900px) {
    .blog-row {
        grid-template-columns: 1fr;
    }

    .blog-row.reverse .blog-row-media,
    .blog-row.reverse .blog-row-copy {
        order: initial;
    }

    .blog-related .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-stat-band {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .blog-post-hero {
        padding: 13vh 6vw 3.5rem;
    }

    .blog-post-feature-media {
        height: 46vh;
    }

    .blog-prose {
        padding: 6vh 6vw 1vh;
    }

    .blog-stat-band {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 4vh 6vw;
    }

    .blog-rows {
        padding: 6vh 6vw;
        gap: 8vh;
    }

    .blog-cta-band {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        border-radius: 24px;
    }

    .blog-compare-wrap {
        margin: 4vh auto;
        padding: 0 6vw;
    }

    .blog-compare {
        aspect-ratio: 4 / 3;
        border-radius: 16px;
    }

    .blog-compare-tag {
        top: 0.75rem;
        padding: 0.35rem 0.75rem;
        font-size: 0.6rem;
    }

    .blog-compare-tag--before {
        left: 0.75rem;
    }

    .blog-compare-tag--after {
        right: 0.75rem;
    }

    .blog-compare-handle-grip {
        width: 44px;
        height: 44px;
    }

    .blog-compare-caption {
        font-size: 0.8rem;
    }
}

@media (min-width: 1920px) {
    .blog-stat-band {
        padding: 8vh 5vw;
    }
}