/* ==========================================================================
   GigAgent Blog — shared styles for article pages
   Loaded AFTER /css/style.css to override a handful of globals (palette,
   body line-height, .container max-width, nav/footer spacing) with the
   slightly-different article treatment.
   ========================================================================== */

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

:root {
    --black:       #0A0A0A;
    --dark:        #111111;
    --dark-mid:    #161616;
    --dark-2:      #1A1A1A;
    --amber:       #D4922A;
    --amber-light: #E8A93E;
    --amber-dark:  #B87820;
    --amber-glow:  rgba(212, 146, 42, 0.08);
    --amber-glow2: rgba(212, 146, 42, 0.14);
    --gray-900:    #1F1F1F;
    --gray-800:    #2A2A2A;
    --gray-700:    #3A3A3A;
    --gray-600:    #4A4A4A;
    --gray-500:    #666666;
    --gray-400:    #888888;
    --gray-300:    #AAAAAA;
    --gray-200:    #CCCCCC;
    --gray-100:    #EEEEEE;
    --white:       #FFFFFF;
    --font-display: 'Syne', sans-serif;
    --font-article: 'Plus Jakarta Sans', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --space-xs:  0.5rem;
    --space-sm:  1rem;
    --space-md:  1.5rem;
    --space-lg:  2.5rem;
    --space-xl:  4rem;
    --space-2xl: 6rem;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--gray-100);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ── Navigation ────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-900);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem var(--space-md);
    max-width: 1160px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
}

.nav-logo-icon { width: 28px; height: 28px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--gray-300);
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-links .nav-cta {
    background: var(--amber);
    color: var(--black);
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    transition: background 0.2s;
}

.nav-links .nav-cta:hover { background: var(--amber-light); }

.nav-toggle { display: none; }
.nav-mobile { display: none; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--gray-300);
        border-radius: 2px;
    }
    .nav-mobile {
        display: none;
        flex-direction: column;
        padding: var(--space-sm) var(--space-md) var(--space-md);
        gap: var(--space-sm);
        border-top: 1px solid var(--gray-900);
    }
    .nav-mobile.open { display: flex; }
    .nav-mobile a {
        font-family: var(--font-display);
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--gray-300);
        padding: 0.5rem 0;
    }
    .nav-mobile .nav-cta {
        background: var(--amber);
        color: var(--black);
        text-align: center;
        padding: 0.75rem;
        border-radius: var(--radius-sm);
        font-weight: 700;
    }
}

/* ── Article Hero ──────────────────────────────────────── */
.article-hero {
    padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-lg);
    background: var(--dark);
    border-bottom: 1px solid var(--gray-900);
    position: relative;
    overflow: hidden;
}

.article-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.article-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
    opacity: 0.12;
}

.article-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(17,17,17,0.3) 0%, rgba(17,17,17,0.85) 100%);
}

.article-hero .container { position: relative; z-index: 1; }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: var(--space-md);
}

.breadcrumb a { color: var(--gray-500); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--amber); }

.breadcrumb-sep {
    color: var(--gray-700);
    font-size: 0.7rem;
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--amber);
    background: var(--amber-glow);
    border: 1px solid rgba(212, 146, 42, 0.2);
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    margin-bottom: var(--space-sm);
}

.article-hero h1 {
    font-family: var(--font-article);
    font-size: clamp(1.75rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--white);
    max-width: 800px;
    margin-bottom: var(--space-sm);
}

.article-lede {
    font-size: 1.15rem;
    color: var(--gray-300);
    max-width: 680px;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-900);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
    color: var(--gray-500);
    flex-wrap: wrap;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-meta-item svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── Article Layout ────────────────────────────────────── */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-md);
    max-width: 1160px;
    margin: 0 auto;
    align-items: start;
}

@media (max-width: 900px) {
    .article-layout { grid-template-columns: 1fr; }
    .sidebar { order: -1; }
}

/* ── Article Body ──────────────────────────────────────── */
.article-body { min-width: 0; }

.article-body h2 {
    font-family: var(--font-article);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--white);
    margin: var(--space-lg) 0 var(--space-sm);
    line-height: 1.25;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-900);
}

.article-body h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-body p {
    color: var(--gray-200);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.article-body p:last-child { margin-bottom: 0; }

.article-body strong {
    color: var(--white);
    font-weight: 600;
}

.article-body em {
    color: var(--gray-300);
    font-style: italic;
}

.article-body a {
    color: var(--amber-light);
    border-bottom: 1px solid rgba(212, 146, 42, 0.3);
    transition: color 0.2s, border-color 0.2s;
}

.article-body a:hover {
    color: var(--amber);
    border-bottom-color: var(--amber);
}

/* External-link indicator: pop-out icon after any target="_blank" link in prose.
   The icon is a CSS-masked SVG (box with an arrow escaping the top-right corner),
   colored via background-color so it inherits the amber accent. Scoped to
   .article-body so nav and footer links are untouched. Share-link pills and
   the .article-credits line also live inside .article-body — each has its own
   `content: none` override below so they don't inherit the icon. */
.article-body a[target="_blank"]::after {
    content: "";
    display: inline-block;
    width: 0.8em;
    height: 0.8em;
    margin-left: 0.2em;
    vertical-align: -0.05em;
    background-color: var(--amber);
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'><path d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/><polyline points='15 3 21 3 21 9'/><line x1='10' y1='14' x2='21' y2='3'/></svg>");
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'><path d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/><polyline points='15 3 21 3 21 9'/><line x1='10' y1='14' x2='21' y2='3'/></svg>");
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    border-bottom: 0;
    transition: background-color 0.2s;
}

.article-body a[target="_blank"]:hover::after {
    background-color: var(--amber-light);
}

/* Pipeline stages */
.pipeline-stages {
    background: var(--dark-mid);
    border: 1px solid var(--gray-900);
    border-left: 3px solid var(--amber);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pipeline-stage {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--gray-900);
}

.pipeline-stage:last-child { border-bottom: none; padding-bottom: 0; }
.pipeline-stage:first-child { padding-top: 0; }

.pipeline-arrow {
    flex-shrink: 0;
    margin-top: 0.2rem;
    color: var(--amber);
    opacity: 0.7;
}

.pipeline-arrow svg { width: 16px; height: 16px; }

.pipeline-stage-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--amber-light);
    min-width: 120px;
    flex-shrink: 0;
}

.pipeline-stage-desc {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.5;
}

/* Callout box */
.callout {
    background: var(--amber-glow);
    border: 1px solid rgba(212, 146, 42, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin: var(--space-md) 0;
}

.callout-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 0.5rem;
}

.callout p {
    color: var(--gray-200) !important;
    font-size: 0.95rem !important;
    margin-bottom: 0 !important;
}

/* Numbered track list */
.track-list {
    list-style: none;
    margin: var(--space-sm) 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.track-list li {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.track-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--amber-glow);
    border: 1px solid rgba(212, 146, 42, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--amber);
    margin-top: 0.1rem;
}

.track-content strong {
    display: block;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.track-content span {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.55;
}

/* CTA block inside article */
.article-cta {
    background: var(--dark-mid);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    text-align: center;
}

.article-cta h3 {
    font-family: var(--font-article);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.article-cta p {
    color: var(--gray-400) !important;
    font-size: 0.95rem !important;
    max-width: 440px;
    margin: 0 auto var(--space-md) !important;
}

.article-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: var(--amber);
    color: var(--black);
    padding: 0.85rem 2rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s, transform 0.2s;
}

.article-cta .btn:hover {
    background: var(--amber-light);
    transform: translateY(-1px);
}

/* Share section */
.article-share {
    border-top: 1px solid var(--gray-900);
    padding-top: var(--space-md);
    margin-top: var(--space-xl);
}

.article-share p {
    font-size: 0.85rem !important;
    color: var(--gray-500) !important;
    margin-bottom: 0.75rem !important;
}

.share-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.share-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gray-300);
    background: var(--dark-mid);
    border: 1px solid var(--gray-800);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, color 0.2s;
}

.share-link:hover {
    border-color: var(--amber);
    color: var(--amber-light);
}

/* Share-link pills live inside .article-body, so the generic
   .article-body a[target="_blank"]::after pop-out rule above would
   render an extra external-link icon after their already-present SVG +
   uppercase label. Suppress it here so the pill stays clean.
   NOTE: selector is scoped with .article-body so specificity (0,3,1)
   beats the main rule's (0,2,2) — a bare .share-link[target=...]::after
   would tie on class+attr but lose on the element selector. */
.article-body .share-link[target="_blank"]::after {
    content: none;
}

/* ---- Article credits ---------------------------------------------------
   Tiny photographer / source attribution line at the bottom of an article.
   Quiet and non-competing; sits below the share block as a final footnote.
   Muted tone, smaller than share text, dotted underline on links.
   Pop-out icon from .article-body a[target="_blank"]::after is suppressed
   here so the line stays visually calm.
------------------------------------------------------------------------- */
.article-body .article-credits {
    margin-top: var(--space-md);
    margin-bottom: 0;
    font-family: var(--font-body);
    font-size: 0.72rem;
    line-height: 1.6;
    color: var(--gray-500);
    letter-spacing: 0.01em;
}

.article-body .article-credits a {
    color: var(--gray-300);
    border-bottom: 1px dotted var(--gray-700);
    transition: color 0.2s, border-color 0.2s;
}

.article-body .article-credits a:hover {
    color: var(--amber-light);
    border-bottom-color: var(--amber);
}

.article-body .article-credits a[target="_blank"]::after {
    content: none;
}

.share-link svg { width: 14px; height: 14px; fill: currentColor; }

/* ── Sidebar ───────────────────────────────────────────── */
.sidebar {
    position: sticky;
    top: calc(60px + var(--space-md));
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (max-width: 900px) {
    .sidebar { position: static; }
}

.sidebar-card {
    background: var(--dark-mid);
    border: 1px solid var(--gray-900);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.sidebar-card h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: var(--space-sm);
}

/* TOC */
.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.toc-list li a {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--gray-900);
    transition: color 0.2s, padding-left 0.2s;
    line-height: 1.4;
}

.toc-list li:last-child a { border-bottom: none; }
.toc-list li a:hover { color: var(--amber-light); padding-left: 0.4rem; }

/* Sidebar CTA */
.sidebar-cta {
    background: linear-gradient(135deg, #1A1208 0%, #2A1E0A 100%);
    border: 1px solid rgba(212, 146, 42, 0.2);
}

.sidebar-cta h4 { color: var(--amber); }

.sidebar-cta p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.sidebar-cta .btn {
    display: block;
    text-align: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: var(--amber);
    color: var(--black);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.sidebar-cta .btn:hover { background: var(--amber-light); }

/* ── Footer ────────────────────────────────────────────── */
.footer {
    background: var(--dark);
    border-top: 1px solid var(--gray-900);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-md);
}

@media (max-width: 640px) {
    .footer-inner { grid-template-columns: 1fr; }
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 0.75rem;
    max-width: 240px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: var(--space-sm);
}

.footer-links { display: flex; flex-direction: column; gap: 0; }

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-500);
    padding: 0.3rem 0;
    transition: color 0.2s;
}

.footer-links a:hover { color: var(--amber-light); }

.footer-bottom {
    border-top: 1px solid var(--gray-900);
    padding: var(--space-md);
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-600);
}