/* =========================================================
   SECURITY RESEARCH / BLOG
   Lucas Villagra — Portfolio
   ========================================================= */

:root {
    --blog-bg: #050a12;
    --blog-card: rgba(8, 14, 26, 0.85);
    --blog-card-hover: rgba(10, 18, 32, 0.95);

    --blog-accent: #0066FF;
    --blog-accent2: #00D4FF;
    --blog-accent3: #3388ff;

    --blog-border: rgba(0, 102, 255, 0.12);
    --blog-border-bright: rgba(0, 212, 255, 0.18);

    --blog-text: #d8e7f5;
    --blog-muted: #7f94a8;

    --blog-max-width: 1100px;
}

/* =========================================================
   RESET
   ========================================================= */

.blog-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right,
            rgba(0, 102, 255, 0.08),
            transparent 35%),
        var(--blog-bg);
    color: var(--blog-text);
    font-family: 'Inter', sans-serif;
}

.blog-page *,
.blog-page *::before,
.blog-page *::after {
    box-sizing: border-box;
}

/* =========================================================
   CONTAINER
   ========================================================= */

.blog-container {
    width: min(100% - 40px, var(--blog-max-width));
    margin: 0 auto;
}

/* =========================================================
   NAVIGATION
   ========================================================= */

.blog-nav {
    padding: 24px 0;
    border-bottom: 1px solid var(--blog-border);
}

.blog-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.blog-brand {
    color: var(--blog-text);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.blog-brand span {
    color: var(--blog-accent2);
}

.blog-back {
    color: var(--blog-muted);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    transition: color 0.25s ease;
}

.blog-back:hover {
    color: var(--blog-accent2);
}

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

.blog-hero {
    padding: 100px 0 70px;
    text-align: center;
}

.blog-kicker {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--blog-accent2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.blog-hero h1 {
    margin: 0;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 600;
    letter-spacing: -2px;
    line-height: 1.05;
}

.blog-hero h1 span {
    color: var(--blog-accent2);
}

.blog-hero p {
    max-width: 700px;
    margin: 28px auto 0;
    color: var(--blog-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* =========================================================
   DIVIDER
   ========================================================= */

.blog-divider {
    width: 100%;
    height: 1px;
    margin: 0 0 60px;
    background:
        linear-gradient(90deg,
            transparent,
            var(--blog-accent),
            var(--blog-accent2),
            transparent);
    opacity: 0.45;
}

/* =========================================================
   ARTICLE GRID
   ========================================================= */

.blog-section-title {
    margin-bottom: 28px;
}

.blog-section-title span {
    display: block;
    margin-bottom: 8px;
    color: var(--blog-accent2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 2px;
}

.blog-section-title h2 {
    margin: 0;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    min-height: 360px;
    padding: 28px;
    background: var(--blog-card);
    border: 1px solid var(--blog-border);
    border-top: 2px solid var(--blog-accent);
    border-radius: 8px;
    text-decoration: none;
    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        background 0.3s ease,
        box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    background: var(--blog-card-hover);
    border-color: var(--blog-border-bright);
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.35);
}

.blog-card:nth-child(2) {
    border-top-color: var(--blog-accent2);
}

.blog-card:nth-child(3) {
    border-top-color: var(--blog-accent3);
}

.blog-card-category {
    margin-bottom: 22px;
    color: var(--blog-accent2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 2px;
}

.blog-card h3 {
    margin: 0 0 18px;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    line-height: 1.3;
}

.blog-card p {
    margin: 0;
    color: var(--blog-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-top: auto;
    padding-top: 30px;
}

.blog-card-meta {
    color: #63798d;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
}

.blog-card-read {
    color: var(--blog-accent2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 1px;
}

/* =========================================================
   ARTICLE CONTENT
   ========================================================= */

.blog-article-content {
    max-width: 820px;
    margin: 0 auto;
    padding: 10px 0 20px;
}

.blog-article-content p {
    margin: 0 0 22px;
    color: var(--blog-text);
    font-family: 'Inter', sans-serif;
    font-size: 1.02rem;
    line-height: 1.85;
}

.blog-article-content strong {
    color: #ffffff;
    font-weight: 600;
}

.blog-article-content em {
    color: #b8d9ed;
}

.blog-article-content h2 {
    margin: 54px 0 20px;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.25;
    font-weight: 600;
}

.blog-article-content h2::before {
    content: "// ";
    color: var(--blog-accent2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75em;
}

.blog-article-content blockquote {
    border-radius: 8px;
}

@media (max-width: 700px) {

    .blog-article-content {
        padding: 0;
    }

    .blog-article-content p {
        font-size: 0.98rem;
        line-height: 1.75;
    }

    .blog-article-content h2 {
        margin-top: 42px;
    }

}

/* =========================================================
   CATEGORIES
   ========================================================= */

.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 50px;
}

.blog-tag {
    padding: 8px 12px;
    color: var(--blog-muted);
    border: 1px solid var(--blog-border);
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
}

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

.blog-cta {
    margin: 90px 0;
    padding: 45px;
    background: var(--blog-card);
    border: 1px solid var(--blog-border);
    border-radius: 8px;
    text-align: center;
}

.blog-cta h2 {
    margin: 0 0 14px;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
}

.blog-cta p {
    max-width: 600px;
    margin: 0 auto 25px;
    color: var(--blog-muted);
    line-height: 1.7;
}

.blog-button {
    display: inline-block;
    padding: 12px 20px;
    color: #ffffff;
    background: linear-gradient(90deg,
            var(--blog-accent),
            var(--blog-accent2));
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-decoration: none;
    transition: transform 0.25s ease;
}

.blog-button:hover {
    transform: translateY(-2px);
}

/* =========================================================
   FOOTER
   ========================================================= */

.blog-footer {
    padding: 30px 0 50px;
    border-top: 1px solid var(--blog-border);
    color: #53687a;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    text-align: center;
}

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

@media (max-width: 850px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card {
        min-height: 300px;
    }

    .blog-hero {
        padding: 75px 0 55px;
    }
}

@media (max-width: 520px) {
    .blog-container {
        width: min(100% - 28px, var(--blog-max-width));
    }

    .blog-nav-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .blog-hero h1 {
        font-size: 2.6rem;
    }

    .blog-cta {
        padding: 30px 22px;
    }
}
/* ===== Fase 3: utilidades migradas desde style= inline (blog posts) ===== */
.blog-meta{margin-top:28px;color:#63798d;font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:1px}
.blog-quote{margin:35px 0;padding:25px 28px;background:var(--blog-card);border-left:3px solid var(--blog-accent2);color:#c0d8e8;font-family:'Space Grotesk',sans-serif;font-size:1.2rem;font-style:italic;line-height:1.7}
.mt-70{margin-top:70px}
.blog-nav{display:flex;justify-content:space-between;gap:20px;margin:70px 0;padding-top:30px;border-top:1px solid var(--blog-border);font-family:'JetBrains Mono',monospace;font-size:.68rem}
.blog-nav-link{text-decoration:none}
.blog-nav-prev{color:var(--blog-muted)}
.blog-nav-next{color:var(--blog-accent2)}