/* ============================================
   LeadbaseAI – Premium Blog Styling
   Aesthetic · Professional · Immersive
   ============================================ */

:root {
    /* Refined Light Theme */
    --color-primary: #2563EB;
    --color-primary-soft: #3B82F6;
    --color-accent: #6366F1;
    --color-accent-light: rgba(99, 102, 241, 0.08);
    --color-bg: #F8FAFC;
    --color-bg-alt: #F1F5F9;
    --color-surface: #FFFFFF;
    --color-text: #0F172A;
    --color-text-muted: #475569;
    --color-border: #E2E8F0;
    --color-card: #FFFFFF;
    --color-code-bg: #1E293B;
    --color-code-text: #E2E8F0;

    /* Typography Upgrades */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;

    /* Shadows */
    --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.02);
    --shadow-premium: 0 10px 40px -10px rgba(0, 0, 0, 0.08);

    /* Transitions */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 400ms var(--ease);
}

[data-theme="dark"] {
    --color-primary: #60A5FA;
    --color-primary-soft: #3B82F6;
    --color-accent: #818CF8;
    --color-accent-light: rgba(129, 140, 248, 0.15);
    --color-bg: #0B0F1A;
    --color-bg-alt: #161B28;
    --color-surface: #111827;
    --color-text: #F8FAFC;
    --color-text-muted: #94A3B8;
    --color-border: #1F2937;
    --color-card: #1F2937;
    --color-code-bg: #0F172A;
    --color-code-text: #F3F4F6;
}

/* Drifting Background Blobs */
.blob-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 40vw;
    height: 40vw;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.1;
    animation: drift 25s infinite alternate ease-in-out;
}

[data-theme="dark"] .blob {
    opacity: 0.15;
    filter: blur(120px);
}

.blob-1 {
    background: var(--color-primary);
    top: -10%;
    left: -10%;
    animation-duration: 22s;
}

.blob-2 {
    background: var(--color-accent);
    bottom: -10%;
    right: -10%;
    animation-duration: 28s;
    animation-delay: -5s;
}

.blob-3 {
    background: #F43F5E;
    top: 40%;
    left: 50%;
    width: 30vw;
    height: 30vw;
    animation-duration: 35s;
    animation-delay: -10s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }

    100% {
        transform: translate(10vw, 15vh) scale(1.1) rotate(45deg);
    }
}

/* Hide Scrollbar but Keep Functionality */
html {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-family: var(--font-body);
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Navbar Tuning */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: transparent;
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--color-bg);
    border-bottom-color: var(--color-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

/* Main Blog Container */
.blog-post {
    max-width: 760px;
    margin: 0 auto;
    padding: 4rem 1.5rem 8rem;
    position: relative;
}

/* Header Aesthetics */
.blog-post-header {
    margin-bottom: 4rem;
    text-align: left;
}

.blog-category {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    background: var(--color-accent-light);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.blog-post-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
}

.blog-meta .reading-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-meta .reading-time::before {
    content: '•';
    opacity: 0.4;
}

/* Cover Image */
.blog-cover {
    width: 100%;
    margin: 2.5rem 0 3.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-premium);
    object-fit: cover;
    aspect-ratio: 16/9;
}

/* Professional Content Typography */
.blog-post-content {
    font-size: 1.1875rem;
    line-height: 1.75;
    color: var(--color-text);
}

.blog-post-content p {
    margin-bottom: 1.8rem;
    opacity: 0.92;
}

.blog-post-content h2 {
    font-family: var(--font-display);
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 3.5rem 0 1.25rem;
    line-height: 1.2;
}

.blog-post-content h3 {
    font-family: var(--font-display);
    font-size: 1.4375rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.02em;
}

/* Blockquote - Elegant & Modern */
.blog-post-content blockquote {
    padding: 2.5rem;
    margin: 3rem 0;
    background: var(--color-bg-alt);
    border-radius: 24px;
    position: relative;
    border-left: 6px solid var(--color-primary);
}

.blog-post-content blockquote p {
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 0;
    font-style: italic;
}

/* Code Blocks - Sleek Dark */
.blog-post-content pre {
    background: var(--color-code-bg);
    padding: 1.5rem 1.75rem;
    border-radius: 16px;
    margin: 2.5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    overflow-x: auto;
}

.blog-post-content code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: var(--color-bg-alt);
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
    color: var(--color-primary);
}

.blog-post-content pre code {
    background: none;
    color: var(--color-code-text);
    padding: 0;
}

/* Links */
.blog-post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
    text-decoration-color: var(--color-accent-light);
    transition: all 200ms ease;
}

.blog-post-content a:hover {
    text-decoration-color: var(--color-primary);
    background: var(--color-accent-light);
}

/* CTA Design - Integrated and Professional */
.blog-cta {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    margin: 3rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

@media (min-width: 640px) {
    .blog-cta {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 2rem;
    }

    .cta-content {
        flex: 1;
    }
}

.blog-cta:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary-soft);
    box-shadow: var(--shadow-premium);
}

.blog-cta.inline-cta {
    padding: 1.25rem 1.75rem;
    margin: 2.5rem 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
    border-left: 4px solid var(--color-primary);
}

.cta-tag {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
    display: block;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 0.25rem 0;
}

.cta-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-bottom: 0;
}

.cta-button {
    flex-shrink: 0;
    background: var(--color-primary) !important;
    color: #FFFFFF !important;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none !important;
    font-size: 0.875rem;
    transition: all 300ms var(--ease);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    border: none !important;
}

.cta-button:hover {
    background: var(--color-primary-soft) !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
}

.cta-button svg {
    transition: transform 300ms var(--ease);
}

.cta-button:hover svg {
    transform: translateX(4px);
}

/* Table of Contents - Modernized */
.table-of-contents {
    background: var(--color-bg-alt);
    padding: 2rem;
    border-radius: 20px;
    margin: 3rem 0;
    border: 1px solid var(--color-border);
}

.table-of-contents h3 {
    margin-top: 0 !important;
    font-size: 1rem !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    text-decoration: none !important;
    color: var(--color-text) !important;
    font-size: 1.0625rem;
    font-weight: 500;
    transition: color 200ms ease;
}

.table-of-contents a:hover {
    color: var(--color-primary) !important;
}

/* Footer Tweak */
footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .blog-post {
        padding-top: 4rem;
    }

    .blog-post-header h1 {
        font-size: 2.25rem;
    }

    .blog-cta {
        padding: 2rem;
    }
}

/* Social Share Icons Spacing */
.social-share {
    margin-top: 5rem;
    padding-top: 3rem;
}