/* ============================================================================
   Blog — Designed as a seamless extension of the main website
   Mirrors styles.css: teal/orange palette, Heebo, RTL, gradient accents
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Tokens ─────────────────────────────────────────────────────────── */
:root {
    /* Brand palette (locked to website) */
    --blog-primary: #1a5c6e;
    --blog-primary-dark: #0e3d4a;
    --blog-primary-light: #2a7d94;
    --blog-accent: #e8881c;
    --blog-accent-light: #f5a84a;
    --blog-accent-dark: #c06e10;

    /* Surfaces — light theme */
    --blog-bg: #f8f9fa;
    --blog-bg-elevated: #ffffff;
    --blog-surface: #ffffff;
    --blog-surface-soft: #f1f4f7;
    --blog-surface-hover: #eef2f5;
    --blog-border: #e3e8ed;
    --blog-border-soft: #eef1f4;

    /* Text */
    --blog-heading: #0e3d4a;
    --blog-text: #2c3e50;
    --blog-text-secondary: #6b7c8d;
    --blog-text-muted: #93a1b0;

    /* Effects */
    --blog-card-shadow: 0 8px 32px rgba(14, 61, 74, 0.08);
    --blog-card-shadow-hover: 0 16px 48px rgba(14, 61, 74, 0.15);
    --blog-shadow-soft: 0 2px 12px rgba(14, 61, 74, 0.06);
    --blog-shadow-accent: 0 8px 30px rgba(232, 136, 28, 0.35);
    --blog-glow-primary: 0 0 0 4px rgba(26, 92, 110, 0.12);

    --blog-header-bg: rgba(255, 255, 255, 0.85);
    --blog-header-shadow: 0 2px 20px rgba(14, 61, 74, 0.06);

    --blog-code-bg: #f1f4f7;
    --blog-code-text: #1a5c6e;

    --blog-toc-bg: #ffffff;

    /* Geometry */
    --blog-radius: 16px;
    --blog-radius-sm: 8px;
    --blog-radius-pill: 50px;
    --blog-max-width: 1200px;
    --blog-article-width: 760px;

    /* Motion */
    --blog-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --blog-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --blog-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Fonts */
    --blog-font: 'Heebo', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --blog-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

    /* Gradients */
    --blog-grad-primary: linear-gradient(135deg, var(--blog-primary), var(--blog-primary-light));
    --blog-grad-accent: linear-gradient(135deg, var(--blog-accent), var(--blog-accent-light));
    --blog-grad-brand: linear-gradient(135deg, var(--blog-primary), var(--blog-accent));
    --blog-grad-bar: linear-gradient(90deg, var(--blog-primary), var(--blog-accent));
}

[data-theme="dark"] {
    --blog-bg: #07171c;
    --blog-bg-elevated: #0c2129;
    --blog-surface: #102a33;
    --blog-surface-soft: #0c2129;
    --blog-surface-hover: #173842;
    --blog-border: #1e404c;
    --blog-border-soft: #163039;

    --blog-heading: #f1f7fa;
    --blog-text: #d6e2e8;
    --blog-text-secondary: #94a8b3;
    --blog-text-muted: #6b8290;

    --blog-card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --blog-card-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.5);
    --blog-shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.25);
    --blog-shadow-accent: 0 8px 30px rgba(232, 136, 28, 0.35);
    --blog-glow-primary: 0 0 0 4px rgba(42, 125, 148, 0.25);

    --blog-header-bg: rgba(7, 23, 28, 0.85);
    --blog-header-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);

    --blog-code-bg: #0c2129;
    --blog-code-text: #f5a84a;

    --blog-toc-bg: #0c2129;
}

/* ── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--blog-font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--blog-text);
    background: var(--blog-bg);
    background-image:
        radial-gradient(1200px 600px at 100% -10%, rgba(26, 92, 110, 0.08), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(232, 136, 28, 0.07), transparent 55%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

[data-theme="dark"] body {
    background-image:
        radial-gradient(1200px 600px at 100% -10%, rgba(42, 125, 148, 0.16), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(232, 136, 28, 0.10), transparent 55%);
}

a { color: var(--blog-primary); text-decoration: none; transition: var(--blog-transition); }
a:hover { color: var(--blog-accent); }

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

::selection { background: rgba(232, 136, 28, 0.25); color: var(--blog-heading); }

/* ── Container ──────────────────────────────────────────────────────── */
.blog-container {
    max-width: var(--blog-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Reading progress bar (top of page) ─────────────────────────────── */
.blog-progress {
    position: fixed;
    top: 0;
    inset-inline-start: 0;
    z-index: 200;
    height: 3px;
    width: 0%;
    background: var(--blog-grad-bar);
    box-shadow: 0 0 12px rgba(232, 136, 28, 0.5);
    transition: width 0.1s linear;
    pointer-events: none;
}

/* ── Header ─────────────────────────────────────────────────────────── */
.blog-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--blog-header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--blog-border-soft);
    box-shadow: var(--blog-header-shadow);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.blog-header::after {
    content: '';
    position: absolute;
    inset-inline-start: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--blog-grad-bar);
    opacity: 0;
    transform: scaleX(0);
    transform-origin: var(--blog-bar-origin, right);
    transition: opacity 0.4s ease, transform 0.6s var(--blog-ease);
}

.blog-header:hover::after { opacity: 0.5; transform: scaleX(1); }

.blog-header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    height: 72px;
}

.blog-logo {
    position: relative;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--blog-heading);
    white-space: nowrap;
    letter-spacing: -0.01em;
    flex-shrink: 0;
    padding: 0.25rem 0;
}

.blog-logo::before {
    content: '';
    position: absolute;
    inset-inline-start: 0;
    bottom: -2px;
    width: 0;
    height: 3px;
    background: var(--blog-grad-bar);
    border-radius: 2px;
    transition: width 0.4s var(--blog-ease);
}

.blog-logo:hover { color: var(--blog-primary); }
.blog-logo:hover::before { width: 100%; }

.blog-nav {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    flex: 1;
    overflow: hidden;
}

.blog-nav a {
    padding: 0.5rem 0.95rem;
    border-radius: var(--blog-radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--blog-text-secondary);
    white-space: nowrap;
    transition: var(--blog-transition);
}

.blog-nav a:hover {
    color: var(--blog-accent);
    background: rgba(232, 136, 28, 0.10);
}

.blog-nav a.active {
    color: var(--blog-accent);
    background: rgba(232, 136, 28, 0.15);
}

.blog-header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

/* Search */
.blog-search {
    display: flex;
    align-items: center;
    background: var(--blog-surface-soft);
    border: 1.5px solid var(--blog-border);
    border-radius: var(--blog-radius-pill);
    overflow: hidden;
    transition: var(--blog-transition);
}

.blog-search:focus-within {
    border-color: var(--blog-primary);
    background: var(--blog-surface);
    box-shadow: var(--blog-glow-primary);
}

.blog-search-input {
    border: none;
    outline: none;
    background: none;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    color: var(--blog-text);
    width: 200px;
    font-family: var(--blog-font);
}

.blog-search-input::placeholder { color: var(--blog-text-muted); }

.blog-search-btn {
    background: none;
    border: none;
    padding: 0.4rem 0.85rem;
    color: var(--blog-text-muted);
    cursor: pointer;
    display: flex;
    transition: color 0.2s ease;
}

.blog-search-btn:hover { color: var(--blog-accent); }

/* Theme toggle */
.blog-theme-toggle {
    background: var(--blog-surface-soft);
    border: 1.5px solid var(--blog-border);
    width: 40px;
    height: 40px;
    color: var(--blog-text-secondary);
    cursor: pointer;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--blog-transition);
}

.blog-theme-toggle:hover {
    color: var(--blog-accent);
    border-color: var(--blog-accent);
    transform: rotate(15deg);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Mobile toggle */
.blog-mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.4rem;
    color: var(--blog-text-secondary);
    cursor: pointer;
    border-radius: var(--blog-radius-sm);
}
.blog-mobile-toggle:hover { color: var(--blog-accent); background: var(--blog-surface-soft); }

@media (max-width: 900px) {
    .blog-mobile-toggle { display: flex; }
    .blog-nav {
        position: absolute;
        top: 72px;
        inset-inline-start: 0;
        inset-inline-end: 0;
        background: var(--blog-header-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid transparent;
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        padding: 0 1.5rem;
        transition: max-height 0.4s var(--blog-ease), padding 0.4s var(--blog-ease), border-color 0.4s ease;
    }
    .blog-nav.open {
        max-height: 480px;
        padding: 0.75rem 1.5rem 1rem;
        border-bottom-color: var(--blog-border);
        box-shadow: 0 12px 24px rgba(14, 61, 74, 0.12);
    }
    .blog-nav a {
        opacity: 0;
        transform: translateY(-8px);
        padding: 0.7rem 0.85rem;
        border-radius: var(--blog-radius-sm);
        transition: opacity 0.25s ease, transform 0.25s ease, color var(--blog-transition), background var(--blog-transition);
    }
    .blog-nav.open a { opacity: 1; transform: translateY(0); }
    .blog-nav.open a:nth-child(1) { transition-delay: 0.05s; }
    .blog-nav.open a:nth-child(2) { transition-delay: 0.08s; }
    .blog-nav.open a:nth-child(3) { transition-delay: 0.11s; }
    .blog-nav.open a:nth-child(4) { transition-delay: 0.14s; }
    .blog-nav.open a:nth-child(5) { transition-delay: 0.17s; }
    .blog-nav.open a:nth-child(6) { transition-delay: 0.20s; }
    .blog-nav.open a:nth-child(7) { transition-delay: 0.23s; }
    .blog-nav.open a:nth-child(8) { transition-delay: 0.26s; }
    .blog-search-input { width: 130px; }
}

@media (max-width: 540px) {
    .blog-search { display: none; }
}

/* ── Main ───────────────────────────────────────────────────────────── */
.blog-main {
    min-height: calc(100vh - 72px - 200px);
    padding: 3rem 0 4rem;
    position: relative;
}

/* ── Page intro (auto-applied to home) ──────────────────────────────── */
.blog-grid::before { content: none; }

/* ── Articles grid ──────────────────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ── Card ───────────────────────────────────────────────────────────── */
.blog-card {
    position: relative;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border-soft);
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-card-shadow);
    transition: var(--blog-transition);
    display: flex;
    flex-direction: column;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-end: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-grad-bar);
    transform: scaleX(0);
    transform-origin: var(--blog-bar-origin-end, right);
    transition: transform 0.45s var(--blog-ease);
    z-index: 3;
    pointer-events: none;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--blog-card-shadow-hover);
    border-color: rgba(26, 92, 110, 0.18);
}

.blog-card:hover::before { transform: scaleX(1); }

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(135deg, var(--blog-surface-soft), var(--blog-surface-hover));
    position: relative;
}

.blog-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(14, 61, 74, 0.18));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.blog-card:hover .blog-card-image::after { opacity: 1; }

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--blog-ease);
}

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

.blog-card-image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blog-text-muted);
}

.blog-card-image--placeholder svg { width: 48px; height: 48px; opacity: 0.6; }

.blog-card-body {
    padding: 1.5rem 1.4rem 1.4rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
    font-size: 0.78rem;
}

.blog-card-category {
    background: rgba(232, 136, 28, 0.12);
    color: var(--blog-accent-dark);
    padding: 0.25rem 0.7rem;
    border-radius: var(--blog-radius-pill);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    transition: var(--blog-transition);
}

.blog-card-category:hover {
    background: var(--blog-accent);
    color: #fff;
}

[data-theme="dark"] .blog-card-category { color: var(--blog-accent-light); }

.blog-card-featured {
    background: var(--blog-grad-accent);
    color: #fff;
    padding: 0.25rem 0.7rem;
    border-radius: var(--blog-radius-pill);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(232, 136, 28, 0.35);
}

.blog-card-date { color: var(--blog-text-muted); font-weight: 500; }

.blog-card-title {
    font-size: 1.18rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--blog-heading);
    margin-bottom: 0.65rem;
    letter-spacing: -0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-title a { color: inherit; transition: color 0.25s ease; }
.blog-card-title a:hover { color: var(--blog-accent); }

.blog-card-excerpt {
    font-size: 0.92rem;
    color: var(--blog-text-secondary);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
    flex: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 0.78rem;
    color: var(--blog-text-muted);
    padding-top: 0.85rem;
    border-top: 1px solid var(--blog-border-soft);
    font-weight: 500;
}

.blog-card-reading,
.blog-card-views {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-card-reading::before,
.blog-card-views::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blog-accent);
}

/* ── Featured article (card variant) ────────────────────────────────── */
.blog-card.featured {
    grid-column: 1 / -1;
}

@media (min-width: 900px) {
    .blog-card.featured {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 0;
        min-height: 360px;
    }
    .blog-card.featured .blog-card-image { aspect-ratio: auto; height: 100%; }
    .blog-card.featured .blog-card-body {
        padding: 2.5rem 2rem;
        justify-content: center;
    }
    .blog-card.featured .blog-card-title { font-size: 1.75rem; -webkit-line-clamp: 3; }
    .blog-card.featured .blog-card-excerpt { font-size: 1rem; -webkit-line-clamp: 4; }
}

/* ── Filter Bar ─────────────────────────────────────────────────────── */
.blog-filter-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    background: linear-gradient(135deg, rgba(26, 92, 110, 0.08), rgba(232, 136, 28, 0.08));
    border: 1px solid rgba(26, 92, 110, 0.18);
    border-radius: var(--blog-radius);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    color: var(--blog-text);
}

.blog-filter-label { font-weight: 600; color: var(--blog-primary-dark); }
[data-theme="dark"] .blog-filter-label { color: var(--blog-text); }

.blog-filter-clear {
    margin-inline-start: auto;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--blog-surface);
    color: var(--blog-text-secondary);
    font-size: 1.1rem;
    line-height: 1;
    transition: var(--blog-transition);
    box-shadow: var(--blog-shadow-soft);
}

.blog-filter-clear:hover {
    background: var(--blog-accent);
    color: #fff;
    transform: rotate(90deg);
    box-shadow: var(--blog-shadow-accent);
}

/* ── Empty state ────────────────────────────────────────────────────── */
.blog-empty {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--blog-text-muted);
    font-size: 1rem;
}

/* ── Pagination ─────────────────────────────────────────────────────── */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.blog-page-btn {
    min-width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--blog-text-secondary);
    background: var(--blog-surface);
    border: 1.5px solid var(--blog-border);
    transition: var(--blog-transition);
    padding: 0 0.75rem;
}

.blog-page-btn:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 136, 28, 0.2);
}

.blog-page-btn.active {
    background: var(--blog-grad-accent);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--blog-shadow-accent);
}

/* ── Article page ───────────────────────────────────────────────────── */
.blog-article { max-width: var(--blog-article-width); margin: 0 auto; }

.blog-article-header {
    margin-bottom: 2rem;
    text-align: start;
}

.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--blog-text-muted);
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.blog-article-meta time { display: inline-flex; align-items: center; gap: 0.3rem; }
.blog-article-meta time::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--blog-accent);
}

.blog-article-meta a {
    background: rgba(232, 136, 28, 0.12);
    color: var(--blog-accent-dark);
    padding: 0.3rem 0.85rem;
    border-radius: var(--blog-radius-pill);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
    transition: var(--blog-transition);
}

.blog-article-meta a:hover {
    background: var(--blog-accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(232, 136, 28, 0.3);
}

[data-theme="dark"] .blog-article-meta a { color: var(--blog-accent-light); }
[data-theme="dark"] .blog-article-meta a:hover { color: #fff; }

.blog-article-reading,
.blog-article-views {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.blog-article-reading::before,
.blog-article-views::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--blog-primary-light);
}

.blog-article-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--blog-heading);
    letter-spacing: -0.02em;
    margin-bottom: 0.85rem;
}

.blog-article-author {
    font-size: 0.95rem;
    color: var(--blog-text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .blog-article-title { font-size: 1.7rem; }
}

/* Hero image */
.blog-article-image-wrap {
    margin-bottom: 2.5rem;
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-card-shadow);
    position: relative;
}

.blog-article-image-wrap:empty { display: none; }

.blog-article-image-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(14, 61, 74, 0.3));
    pointer-events: none;
}

.blog-article-image {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
}

/* Article layout (with TOC) */
.blog-article-layout { position: relative; }

/* ── TOC ────────────────────────────────────────────────────────────── */
.blog-toc { display: none; }

@media (min-width: 1100px) {
    .blog-article { max-width: 1140px; }
    .blog-article-layout {
        display: grid;
        grid-template-columns: 240px 1fr;
        gap: 3rem;
    }
    .blog-toc {
        display: block;
        position: sticky;
        top: 96px;
        align-self: start;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
        padding: 1.5rem 1.25rem;
        background: var(--blog-toc-bg);
        border-radius: var(--blog-radius);
        border: 1px solid var(--blog-border-soft);
        box-shadow: var(--blog-shadow-soft);
    }
    .blog-toc::before {
        content: '';
        display: block;
        width: 36px;
        height: 3px;
        background: var(--blog-grad-bar);
        border-radius: 2px;
        margin-bottom: 0.85rem;
    }
}

.blog-toc-title {
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blog-primary);
    margin-bottom: 0.85rem;
}

.blog-toc nav a {
    display: block;
    padding: 0.45rem 0;
    font-size: 0.85rem;
    color: var(--blog-text-secondary);
    line-height: 1.5;
    border-inline-start: 2px solid var(--blog-border);
    padding-inline-start: 0.85rem;
    transition: var(--blog-transition);
    font-weight: 500;
}

.blog-toc nav a:hover {
    color: var(--blog-accent);
    border-color: var(--blog-accent);
    transform: translateX(-2px);
}

[dir="rtl"] .blog-toc nav a:hover { transform: translateX(2px); }

.blog-toc nav a.active {
    color: var(--blog-primary);
    border-color: var(--blog-accent);
    font-weight: 600;
}

.blog-toc nav a.toc-h3 {
    padding-inline-start: 1.6rem;
    font-size: 0.8rem;
    opacity: 0.85;
}

/* ── Article content typography ─────────────────────────────────────── */
.blog-article-content {
    font-size: 1.07rem;
    line-height: 1.85;
    color: var(--blog-text);
    word-wrap: break-word;
}

.blog-article-content > *:first-child { margin-top: 0; }

.blog-article-content h2 {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--blog-heading);
    margin: 3rem 0 1rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
    position: relative;
    padding-bottom: 0.5rem;
}

.blog-article-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-start: 0;
    width: 48px;
    height: 3px;
    background: var(--blog-accent);
    border-radius: 2px;
}

.blog-article-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin: 2.25rem 0 0.85rem;
    letter-spacing: -0.005em;
}

.blog-article-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin: 1.75rem 0 0.6rem;
}

.blog-article-content p { margin-bottom: 1.35rem; }
.blog-article-content p strong { color: var(--blog-heading); font-weight: 700; }

.blog-article-content img {
    border-radius: var(--blog-radius);
    margin: 2rem auto;
    box-shadow: var(--blog-card-shadow);
}

.blog-article-content ul,
.blog-article-content ol {
    margin-bottom: 1.35rem;
    padding-inline-start: 1.5rem;
}

.blog-article-content ul { list-style: none; padding-inline-start: 0; }
.blog-article-content ul li {
    position: relative;
    padding-inline-start: 1.65rem;
    margin-bottom: 0.6rem;
}
.blog-article-content ul li::before {
    content: '';
    position: absolute;
    inset-inline-start: 0;
    top: 0.7em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blog-grad-accent);
    box-shadow: 0 2px 6px rgba(232, 136, 28, 0.4);
}

.blog-article-content ol { list-style: decimal; }
.blog-article-content ol li { margin-bottom: 0.6rem; padding-inline-start: 0.4rem; }
.blog-article-content ol li::marker { color: var(--blog-accent); font-weight: 700; }

.blog-article-content blockquote {
    position: relative;
    border-inline-start: 4px solid var(--blog-accent);
    padding: 1.25rem 1.5rem 1.25rem 1.5rem;
    margin: 2rem 0;
    background: linear-gradient(135deg, rgba(26, 92, 110, 0.04), rgba(232, 136, 28, 0.06));
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    color: var(--blog-text);
    font-style: italic;
    font-size: 1.08em;
    line-height: 1.75;
}

[dir="rtl"] .blog-article-content blockquote {
    border-inline-start: 4px solid var(--blog-accent);
    border-radius: var(--blog-radius) 0 0 var(--blog-radius);
}

.blog-article-content blockquote::before {
    content: '"';
    position: absolute;
    top: -0.25rem;
    inset-inline-start: 0.5rem;
    font-family: Georgia, serif;
    font-size: 3.5rem;
    line-height: 1;
    color: var(--blog-accent);
    opacity: 0.2;
}

.blog-article-content code {
    font-family: var(--blog-mono);
    font-size: 0.88em;
    padding: 0.15em 0.45em;
    border-radius: 5px;
    background: var(--blog-code-bg);
    color: var(--blog-code-text);
    border: 1px solid var(--blog-border-soft);
}

.blog-article-content pre {
    background: var(--blog-code-bg);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 1.4rem;
    overflow-x: auto;
    margin: 2rem 0;
    position: relative;
    box-shadow: var(--blog-shadow-soft);
}

.blog-article-content pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 0.88rem;
    color: var(--blog-text);
    line-height: 1.6;
}

.blog-article-content a {
    color: var(--blog-primary);
    text-decoration: none;
    background-image: linear-gradient(var(--blog-accent), var(--blog-accent));
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0% 2px;
    padding-bottom: 2px;
    transition: background-size 0.3s var(--blog-ease), color 0.25s ease;
}
.blog-article-content a:hover {
    color: var(--blog-accent);
    background-size: 100% 2px;
}

.blog-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.92rem;
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-shadow-soft);
    border: 1px solid var(--blog-border);
}

.blog-article-content th,
.blog-article-content td {
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--blog-border-soft);
    text-align: start;
}

.blog-article-content th {
    background: var(--blog-grad-primary);
    color: #fff;
    font-weight: 700;
    border-bottom: none;
}

.blog-article-content tr:last-child td { border-bottom: none; }
.blog-article-content tbody tr:nth-child(even) { background: var(--blog-surface-soft); }

.blog-article-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blog-border), transparent);
    margin: 3rem 0;
}

/* ── Article footer ─────────────────────────────────────────────────── */
.blog-article-footer {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--blog-border);
    position: relative;
}

.blog-article-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--blog-grad-bar);
    border-radius: 2px;
}

/* Tags */
.blog-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 2.25rem;
}

.blog-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.9rem;
    border-radius: var(--blog-radius-pill);
    font-size: 0.82rem;
    font-weight: 500;
    background: var(--blog-surface);
    color: var(--blog-text-secondary);
    border: 1.5px solid var(--blog-border);
    transition: var(--blog-transition);
}

.blog-tag::before {
    content: '#';
    color: var(--blog-accent);
    font-weight: 700;
}

.blog-tag:hover {
    border-color: var(--blog-accent);
    color: var(--blog-accent);
    background: rgba(232, 136, 28, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 136, 28, 0.18);
}

/* Share */
.blog-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding: 1.25rem;
    background: var(--blog-surface-soft);
    border-radius: var(--blog-radius);
    border: 1px solid var(--blog-border-soft);
}

.blog-share-label {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--blog-heading);
    letter-spacing: -0.005em;
}

.blog-share-buttons {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.blog-share-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--blog-surface);
    border: 1.5px solid var(--blog-border);
    color: var(--blog-text-secondary);
    cursor: pointer;
    transition: all 0.3s var(--blog-bounce);
}

.blog-share-btn:hover {
    transform: translateY(-3px) scale(1.08);
    border-color: transparent;
    background: var(--blog-grad-accent);
    color: #fff;
    box-shadow: var(--blog-shadow-accent);
}

/* CTA */
.blog-cta {
    text-align: center;
    margin: 3rem 0 2rem;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-accent));
    border-radius: var(--blog-radius);
    color: #fff;
    box-shadow: var(--blog-card-shadow-hover);
    position: relative;
    overflow: hidden;
}

.blog-cta::before,
.blog-cta::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.blog-cta::before {
    top: -60px;
    inset-inline-end: -60px;
    width: 220px;
    height: 220px;
    background: rgba(255, 255, 255, 0.08);
}

.blog-cta::after {
    bottom: -80px;
    inset-inline-start: -40px;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.06);
}

.blog-cta-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2.25rem;
    background: #fff;
    color: var(--blog-primary-dark);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--blog-radius-pill);
    transition: var(--blog-transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.blog-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    color: var(--blog-accent-dark);
}

/* Prev/Next */
.blog-prevnext {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

@media (max-width: 600px) {
    .blog-prevnext { grid-template-columns: 1fr; }
}

.blog-prevnext-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1.25rem 1.4rem;
    border-radius: var(--blog-radius);
    border: 1.5px solid var(--blog-border);
    background: var(--blog-surface);
    transition: var(--blog-transition);
    box-shadow: var(--blog-shadow-soft);
    position: relative;
    overflow: hidden;
}

.blog-prevnext-link::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 3px;
    background: var(--blog-grad-bar);
    transform: scaleX(0);
    transform-origin: var(--blog-bar-origin, right);
    transition: transform 0.4s var(--blog-ease);
}

.blog-prevnext-link:hover {
    border-color: rgba(26, 92, 110, 0.25);
    background: var(--blog-bg-elevated);
    transform: translateY(-3px);
    box-shadow: var(--blog-card-shadow);
}

.blog-prevnext-link:hover::before { transform: scaleX(1); }

.blog-prev { text-align: start; }
.blog-next { text-align: end; }

.blog-prevnext-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blog-accent);
    font-weight: 800;
}

.blog-prevnext-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--blog-heading);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── 404 ────────────────────────────────────────────────────────────── */
.blog-404 {
    text-align: center;
    padding: 6rem 2rem;
}

.blog-404 h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--blog-heading);
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
}

.blog-404 p {
    color: var(--blog-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2.25rem;
}

.blog-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--blog-grad-accent);
    color: #fff;
    border-radius: var(--blog-radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--blog-transition);
    box-shadow: var(--blog-shadow-accent);
    border: none;
    cursor: pointer;
    font-family: var(--blog-font);
}

.blog-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(232, 136, 28, 0.45);
    color: #fff;
}

/* ── Footer ─────────────────────────────────────────────────────────── */
.blog-footer {
    background: var(--blog-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 3rem 0 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.blog-footer::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-grad-bar);
}

[data-theme="dark"] .blog-footer { background: #050f12; }

.blog-footer p { margin-bottom: 0.4rem; }
.blog-footer p:first-child { color: rgba(255, 255, 255, 0.85); font-weight: 500; }

.blog-footer-signature {
    margin: 0.5rem 0 0;
    font-size: 0.78rem;
    opacity: 0.7;
}

.blog-footer-signature a {
    color: var(--blog-accent-light);
    text-decoration: none;
    border-bottom: 1px dotted currentColor;
    transition: opacity 0.2s, color 0.25s;
}

.blog-footer-signature a:hover {
    opacity: 1;
    color: #fff;
}

/* ── Animations ─────────────────────────────────────────────────────── */
@keyframes blogFadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes blogFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.blog-card { animation: blogFadeInUp 0.55s var(--blog-ease) both; }
.blog-card:nth-child(1) { animation-delay: 0.04s; }
.blog-card:nth-child(2) { animation-delay: 0.10s; }
.blog-card:nth-child(3) { animation-delay: 0.16s; }
.blog-card:nth-child(4) { animation-delay: 0.22s; }
.blog-card:nth-child(5) { animation-delay: 0.28s; }
.blog-card:nth-child(6) { animation-delay: 0.34s; }
.blog-card:nth-child(7) { animation-delay: 0.40s; }
.blog-card:nth-child(8) { animation-delay: 0.46s; }
.blog-card:nth-child(9) { animation-delay: 0.52s; }

.blog-article { animation: blogFadeIn 0.6s ease both; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ── Copy tooltip ───────────────────────────────────────────────────── */
.blog-copied-tooltip {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--blog-primary-dark);
    color: #fff;
    padding: 0.7rem 1.4rem;
    border-radius: var(--blog-radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s var(--blog-ease);
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.blog-copied-tooltip.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--blog-primary-light), var(--blog-primary));
    border-radius: 10px;
    border: 2px solid var(--blog-bg);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--blog-accent-light), var(--blog-accent));
}

/* ── v2 features: newsletter, reactions, related, author ──────────── */

/* Newsletter */
.blog-newsletter {
    margin: 3.5rem 0 1rem;
    padding: 2.5rem 2rem;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border-soft);
    border-radius: var(--blog-radius);
    text-align: center;
    box-shadow: var(--blog-card-shadow);
    position: relative;
    overflow: hidden;
}

.blog-newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-grad-bar);
}

.blog-newsletter::after {
    content: '';
    position: absolute;
    top: -100px;
    inset-inline-end: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(232, 136, 28, 0.10), transparent 70%);
    pointer-events: none;
}

.blog-newsletter-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--blog-heading);
    margin: 0 0 0.6rem;
    letter-spacing: -0.01em;
    position: relative;
}

.blog-newsletter-intro {
    color: var(--blog-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0 0 1.5rem;
    max-width: 480px;
    margin-inline: auto;
    margin-bottom: 1.5rem;
    position: relative;
}

.blog-newsletter-form {
    display: flex;
    gap: 0.6rem;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    position: relative;
}

.blog-newsletter-input {
    flex: 1 1 240px;
    min-width: 0;
    padding: 0.85rem 1.15rem;
    background: var(--blog-bg-elevated);
    border: 2px solid var(--blog-border);
    border-radius: var(--blog-radius-pill);
    color: var(--blog-text);
    font-size: 0.95rem;
    font-family: var(--blog-font);
    transition: var(--blog-transition);
}

.blog-newsletter-input::placeholder { color: var(--blog-text-muted); }

.blog-newsletter-input:focus {
    outline: none;
    border-color: var(--blog-primary);
    box-shadow: var(--blog-glow-primary);
}

.blog-newsletter-btn {
    padding: 0.85rem 2rem;
    background: var(--blog-grad-accent);
    color: #fff;
    border: none;
    border-radius: var(--blog-radius-pill);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--blog-transition);
    font-family: var(--blog-font);
    box-shadow: var(--blog-shadow-accent);
}

.blog-newsletter-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(232, 136, 28, 0.5);
    background: var(--blog-accent-dark);
}

.blog-newsletter-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.blog-newsletter-msg {
    margin-top: 0.85rem;
    font-size: 0.9rem;
    color: var(--blog-text-secondary);
    min-height: 1.25rem;
}

.blog-newsletter-msg.success { color: var(--blog-accent-dark); font-weight: 700; }
[data-theme="dark"] .blog-newsletter-msg.success { color: var(--blog-accent-light); }

/* Reactions */
.blog-reactions {
    margin: 2.5rem 0;
    padding: 1.75rem 1.25rem;
    background: var(--blog-surface-soft);
    border-radius: var(--blog-radius);
    border: 1px solid var(--blog-border-soft);
    text-align: center;
}

.blog-reactions-label {
    font-size: 0.85rem;
    color: var(--blog-text-secondary);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.blog-reactions-buttons {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.blog-reactions-buttons button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.05rem;
    background: var(--blog-surface);
    border: 1.5px solid var(--blog-border);
    border-radius: var(--blog-radius-pill);
    color: var(--blog-text);
    font-size: 0.92rem;
    cursor: pointer;
    transition: var(--blog-transition);
    font-family: var(--blog-font);
}

.blog-reactions-buttons button:hover {
    background: var(--blog-bg-elevated);
    transform: translateY(-3px);
    border-color: var(--blog-accent);
    box-shadow: 0 6px 18px rgba(232, 136, 28, 0.2);
}

.blog-reactions-buttons button .emoji { font-size: 1.2rem; line-height: 1; }
.blog-reactions-buttons button .count {
    font-weight: 700;
    color: var(--blog-text-secondary);
    font-variant-numeric: tabular-nums;
}

.blog-reactions-buttons button.acted {
    background: rgba(232, 136, 28, 0.12);
    border-color: var(--blog-accent);
}

.blog-reactions-buttons button.acted .count { color: var(--blog-accent-dark); }
[data-theme="dark"] .blog-reactions-buttons button.acted .count { color: var(--blog-accent-light); }

/* Related */
.blog-related { margin: 3.5rem 0 2rem; }

.blog-related-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--blog-heading);
    margin: 0 0 1.5rem;
    padding-bottom: 0.75rem;
    position: relative;
    letter-spacing: -0.01em;
}

.blog-related-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    inset-inline-start: 0;
    width: 56px;
    height: 3px;
    background: var(--blog-grad-bar);
    border-radius: 2px;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.blog-related-card {
    display: flex;
    flex-direction: column;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border-soft);
    border-radius: var(--blog-radius);
    overflow: hidden;
    color: inherit;
    transition: var(--blog-transition);
    text-decoration: none;
    box-shadow: var(--blog-shadow-soft);
    position: relative;
}

.blog-related-card::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 3px;
    background: var(--blog-grad-bar);
    transform: scaleX(0);
    transform-origin: var(--blog-bar-origin, right);
    transition: transform 0.4s var(--blog-ease);
    z-index: 2;
}

.blog-related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--blog-card-shadow);
    color: inherit;
    border-color: rgba(26, 92, 110, 0.18);
}

.blog-related-card:hover::before { transform: scaleX(1); }

.blog-related-image {
    aspect-ratio: 16/9;
    background: var(--blog-surface-soft);
    overflow: hidden;
}

.blog-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--blog-ease);
}

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

.blog-related-image--placeholder {
    background: linear-gradient(135deg, var(--blog-surface-soft), var(--blog-surface-hover));
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-related-body {
    padding: 1rem 1.15rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.blog-related-cat {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--blog-accent);
    font-weight: 800;
}

.blog-related-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blog-heading);
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.005em;
}

.blog-related-excerpt {
    font-size: 0.85rem;
    color: var(--blog-text-secondary);
    margin: 0;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Author bio */
.blog-author-bio {
    margin: 3rem 0;
    padding: 1.75rem;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border-soft);
    border-radius: var(--blog-radius);
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    box-shadow: var(--blog-card-shadow);
    position: relative;
    overflow: hidden;
}

.blog-author-bio::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 4px;
    height: 100%;
    background: var(--blog-grad-bar);
}

.blog-author-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--blog-grad-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 4px 16px rgba(14, 61, 74, 0.25);
    border: 3px solid var(--blog-surface);
}

.blog-author-avatar--placeholder { text-transform: uppercase; }

.blog-author-text { flex: 1; min-width: 0; }

.blog-author-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blog-accent);
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.blog-author-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--blog-heading);
    margin: 0 0 0.5rem;
    letter-spacing: -0.01em;
}

.blog-author-desc {
    font-size: 0.92rem;
    color: var(--blog-text-secondary);
    line-height: 1.7;
}

/* State cards (newsletter confirm / invalid / unsubscribed) */
.blog-card-state {
    text-align: center;
    max-width: 540px;
    margin: 4rem auto;
    padding: 3rem 2.25rem;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border-soft);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-card-shadow);
    position: relative;
    overflow: hidden;
}

.blog-card-state::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 100%;
    height: 4px;
    background: var(--blog-grad-bar);
}

.blog-card-state-icon {
    font-size: 3.25rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: blogFadeInUp 0.55s var(--blog-bounce) both;
}

.blog-card-state h1 {
    font-size: 1.55rem;
    margin: 0 0 0.85rem;
    color: var(--blog-heading);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.blog-card-state p {
    color: var(--blog-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0 0 1.75rem;
}

.blog-card-state .blog-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--blog-grad-accent);
    color: #fff;
    border-radius: var(--blog-radius-pill);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--blog-transition);
    box-shadow: var(--blog-shadow-accent);
}

.blog-card-state .blog-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(232, 136, 28, 0.5);
    color: #fff;
}

/* Code copy button */
.blog-code-copy {
    position: absolute;
    top: 0.5rem;
    inset-inline-end: 0.5rem;
    background: var(--blog-surface);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius-sm);
    padding: 0.3rem 0.7rem;
    font-size: 0.75rem;
    color: var(--blog-text-secondary);
    font-family: var(--blog-font);
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.blog-article-content pre:hover .blog-code-copy { opacity: 1; }

.blog-code-copy:hover {
    color: var(--blog-accent);
    border-color: var(--blog-accent);
    transform: translateY(-1px);
}

.blog-code-copy.copied {
    color: #fff;
    background: var(--blog-accent);
    border-color: var(--blog-accent);
}

/* RTL — flip the gradient bar's transform-origin */
[dir="rtl"] {
    --blog-bar-origin: left;
    --blog-bar-origin-end: left;
}

/* ── Mobile spacing tweaks ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .blog-main { padding: 2rem 0 3rem; }
    .blog-article-meta { gap: 0.6rem; font-size: 0.8rem; }
    .blog-share { flex-wrap: wrap; padding: 1rem; }
    .blog-cta { padding: 2rem 1.25rem; }
    .blog-cta-btn { padding: 0.8rem 1.75rem; font-size: 0.95rem; }
}

@media (max-width: 640px) {
    .blog-author-bio { flex-direction: column; text-align: center; align-items: center; padding: 1.5rem; }
    .blog-newsletter { padding: 2rem 1.25rem; }
    .blog-newsletter-form { flex-direction: column; }
    .blog-newsletter-input, .blog-newsletter-btn { width: 100%; }
    .blog-newsletter-title { font-size: 1.3rem; }
    .blog-card-body { padding: 1.25rem 1.15rem; }
}

@media (max-width: 480px) {
    .blog-container { padding: 0 16px; }
    .blog-header-inner { height: 64px; gap: 0.75rem; }
    .blog-logo { font-size: 1.15rem; }
    .blog-article-content { font-size: 1rem; }
    .blog-article-content h2 { font-size: 1.4rem; margin-top: 2.25rem; }
    .blog-article-content h3 { font-size: 1.15rem; }
}