/*
 * Inference Clinical - Consolidated Styles
 * Warm, professional healthcare aesthetic
 */

:root {
    /* Primary Colors - Soft Healthcare Blues */
    --color-primary-light: #E8F4F8;
    --color-primary-soft: #B8D9E8;
    --color-primary: #6BA5C8;
    --color-primary-medium: #4A90B8;
    --color-primary-dark: #2C5F7C;

    /* Override with warmer tones */
    --color-navy: #2C5F7C;
    --color-navy-dark: #1A2938;
    --color-sea: #6BA5C8;
    --color-beige: #FFDDC7;
    --color-pastel: #E8F4F8;

    /* Warm Accent Colors */
    --color-accent-warm: #FF6B4A;
    --color-accent-orange: #FF8C42;
    --color-accent-peach: #FFB088;
    --color-accent-light: #FFDDC7;
    --color-accent-cool: #6BA5C8;
    --color-accent: #FF6B4A;

    /* Status Colors */
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-error: #F44336;
    --color-info: #2196F3;
    --color-nhs-blue: #005EB8;
    --color-nhs-green: #00A499;

    /* Neutral Palette */
    --color-white: #FFFFFF;
    --color-off-white: #FAFBFC;
    --color-light-gray: #F4F6F8;
    --color-gray: #E1E8ED;
    --color-medium-gray: #8FA1B3;
    --color-dark-gray: #526471;
    --color-dark-grey: #526471;
    --color-mid-grey: #8FA1B3;
    --color-light-grey: #E1E8ED;
    --color-pale-grey: #F4F6F8;
    --color-charcoal: #2E3E4E;
    --color-black: #1A2938;

    /* Semantic colors */
    --color-text: #1A2938;
    --color-text-primary: #1A2938;
    --color-text-secondary: #526471;
    --color-background: #FAFBFC;
    --color-background-alt: #E8F4F8;
    --color-border: #FFDDC7;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #E8F4F8 0%, #B8D9E8 100%);
    --gradient-warm: linear-gradient(135deg, #FF8C42 0%, #FF6B4A 100%);
    --gradient-hero: linear-gradient(180deg, #E8F4F8 0%, #FFFFFF 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F4F6F8 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-family-display: 'Playfair Display', Georgia, serif;

    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --line-height-base: 1.7;

    /* Spacing */
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 3rem;
    --spacing-xxl: 4rem;
    --spacing-3xl: 4rem;
    --spacing-xxxl: 6rem;
    --spacing-4xl: 6rem;
    --spacing-huge: 8rem;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(85, 88, 121, 0.06);
    --shadow-md: 0 4px 12px rgba(85, 88, 121, 0.08);
    --shadow-lg: 0 8px 24px rgba(85, 88, 121, 0.12);
    --shadow-xl: 0 16px 48px rgba(85, 88, 121, 0.16);
    --shadow-card: 0 2px 8px rgba(107, 165, 200, 0.15);
    --shadow-hover: 0 12px 32px rgba(85, 88, 121, 0.14);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--color-off-white);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.site-header .container {
    overflow: visible;
    position: relative;
}

/* Ensure main doesn't interfere with dropdown */
main {
    position: relative;
    z-index: 1;
}

/* Keep all sections below the dropdown */
section {
    position: relative;
    z-index: 1;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Enhanced Header Styles */
.site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(222, 211, 196, 0.3);
    position: sticky;
    top: 0;
    z-index: 9999;
    box-shadow: var(--shadow-sm);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    min-height: 72px;
    position: relative;
    overflow: visible;
}

/* Logo Styling */
.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    margin-right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}

.nav-menu li {
    margin: 0;
    list-style: none !important;
    list-style-type: none !important;
}

/* Remove bullets from all navigation items */
.nav-menu ul,
.nav-menu li,
.submenu,
.submenu li {
    list-style: none !important;
    list-style-type: none !important;
}

.nav-menu li::before,
.submenu li::before {
    content: none !important;
}

.nav-menu a {
    color: var(--color-dark-gray);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-menu a.active {
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
}

/* Dropdown Menu Styles */
.nav-menu > li {
    position: relative;
    list-style: none;
}

.nav-menu .has-submenu {
    position: relative;
}

.nav-menu .has-submenu > a::after {
    content: '▼';
    font-size: 0.7em;
    margin-left: 5px;
    opacity: 0.7;
    transition: transform 0.3s ease;
}

.nav-menu .has-submenu:hover > a::after {
    transform: rotate(180deg);
}

.nav-menu .submenu {
    display: none !important; /* Critical: Start hidden */
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 200px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 99999;
    list-style: none;
    margin: 0;
}

.nav-menu .has-submenu:hover .submenu,
.nav-menu .has-submenu:focus-within .submenu {
    display: block !important; /* Override the hidden state */
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-menu .submenu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 30px;
    width: 12px;
    height: 12px;
    background: white;
    border-left: 1px solid #e5e7eb;
    border-top: 1px solid #e5e7eb;
    transform: rotate(45deg);
}

.nav-menu .submenu li {
    list-style: none !important;
    list-style-type: none !important;
    margin: 0;
    display: block;
    width: 100%;
}

.nav-menu .submenu a {
    display: block;
    padding: 10px 20px;
    color: #374151;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: transparent !important;
    border-radius: 0 !important;
    white-space: nowrap;
}

.nav-menu .submenu a:hover {
    background: #f3f4f6 !important;
    color: var(--color-primary);
    padding-left: 24px;
}

.nav-menu .submenu h4 {
    padding: 8px 20px 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
    font-weight: 600;
    margin: 0;
}

/* CTA Button in Nav */
.nav-cta,
.btn-primary {
    background: var(--gradient-warm) !important;
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    border-radius: var(--radius-full) !important;
    font-weight: var(--font-weight-semibold) !important;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-block;
}

.nav-cta:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Nav toggle for mobile */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    left: 0;
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    top: 8px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-navy);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
    line-height: 1;
    gap: var(--spacing-sm);
}

.btn-secondary {
    background: var(--gradient-primary);
    color: var(--color-primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section with warm gradient */
.hero {
    background: linear-gradient(135deg, #FFE4CC 0%, #FFB88C 50%, #FF9A6C 100%) !important;
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: visible;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

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

.hero h1 {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-navy);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-secondary);
}

/* Blog specific styles */
.blog-hero {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 50%, #FFD54F 100%) !important;
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.blog-hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.blog-tagline {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
}

/* Blog filters */
.blog-filters {
    background: white;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-input,
.filter-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: white;
}

/* Blog posts grid */
.blog-posts {
    padding: var(--spacing-xxl) 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* Post cards */
.post-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.post-card-meta {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-gray);
}

.post-card-category {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.post-card-title {
    padding: 0 var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.post-card-title a {
    color: var(--color-navy);
    text-decoration: none;
    font-size: var(--font-size-xl);
}

.post-card-title a:hover {
    color: var(--color-primary);
}

.post-card-summary {
    padding: 0 var(--spacing-lg);
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.post-card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-gray);
}

.post-card-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.post-card-tag {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.post-card-stage {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stage-TOFU {
    color: var(--color-success);
}

.stage-MOFU {
    color: var(--color-warning);
}

.stage-BOFU {
    color: var(--color-error);
}

/* Newsletter section */
.blog-newsletter {
    background: linear-gradient(135deg, #FFE5E5 0%, #FFCCCC 50%, #FFB3B3 100%);
    padding: var(--spacing-xxl) 0;
}

.newsletter-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
}

.newsletter-success {
    color: var(--color-success);
    margin-top: var(--spacing-md);
}

.newsletter-error {
    color: var(--color-error);
    margin-top: var(--spacing-md);
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, #37474F 0%, #263238 50%, #1C252A 100%) !important;
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-accent-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.footer-nav-group h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.footer-nav-group ul {
    list-style: none;
    padding: 0;
}

.footer-nav-group li {
    margin-bottom: var(--spacing-sm);
}

.footer-nav-group a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-nav-group a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    padding: 0;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-legal a:hover {
    color: white;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    /* Mobile dropdown styles */
    .nav-menu .has-submenu {
        position: relative;
    }

    .nav-menu .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
        margin-top: 8px;
        margin-left: 20px;
        box-shadow: none;
        border: none;
        border-left: 2px solid #e5e7eb;
        border-radius: 0;
        padding: 0;
        display: none;
        transition: none;
    }

    .nav-menu .has-submenu.active .submenu,
    .nav-menu .has-submenu:hover .submenu {
        display: block !important;
    }

    .nav-menu .submenu::before {
        display: none;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    h1 {
        font-size: var(--font-size-3xl);
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }
}

/* Print styles */
@media print {
    .site-header,
    .blog-filters,
    .blog-newsletter,
    .site-footer {
        display: none;
    }
}/* Blog-specific styles */

/* Post Card Badge Styling */
.post-card-badges {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.post-card-level {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.level-getting-started {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    color: white;
}

.level-intermediate {
    background: linear-gradient(135deg, #2196F3 0%, #42A5F5 100%);
    color: white;
}

.level-advanced {
    background: linear-gradient(135deg, #9C27B0 0%, #AB47BC 100%);
    color: white;
}

.post-card-audience {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-pale-grey);
    border: 1px solid var(--color-light-grey);
    border-radius: 16px;
    font-size: 0.75rem;
    color: var(--color-dark-grey);
    font-weight: 500;
}

/* Hero Images for Blog Posts */
figure.hero {
    margin: 0 0 var(--spacing-xl) 0;
    width: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    max-height: 400px;
}

figure.hero img {
    width: 100%;
    height: auto;
    display: block;
    margin-top: -25%;
    margin-bottom: -25%;
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.related-posts h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.related-post-card {
    background: var(--color-off-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.related-post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.related-post-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.related-post-category {
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
}

.related-post-date {
    color: var(--color-text-secondary);
}

.related-post-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
}

.related-post-title a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.related-post-title a:hover {
    color: var(--color-accent);
}

.related-post-summary {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    font-size: 0.9rem;
}

.related-post-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.related-post-tag {
    background: var(--color-white);
    color: var(--color-text-secondary);
    padding: 2px var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
}

/* Newsletter Section */
.blog-newsletter {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.newsletter-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-card h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.newsletter-card p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    background: var(--color-white);
    color: var(--color-text-primary);
}

.newsletter-form input[type="email"]:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.newsletter-form .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.newsletter-form .btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.newsletter-form .btn:active {
    transform: translateY(0);
}

.newsletter-success,
.newsletter-error {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

.newsletter-success {
    background: rgba(34, 197, 94, 0.2);
    color: #dcfce7;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.newsletter-error {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

@media (max-width: 768px) {
    .newsletter-form {
        flex-direction: column;
        max-width: 300px;
    }
    
    .newsletter-card h2 {
        font-size: 1.5rem;
    }
}

/* Blog Hero */
.blog-hero {
    background: linear-gradient(135deg, var(--color-pastel) 0%, var(--color-off-white) 100%);
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-border);
}

.blog-hero h1 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.blog-tagline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* Blog Filters */
.blog-filters {
    padding: var(--spacing-lg) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.search-group {
    flex: 2;
    min-width: 250px;
}

.filter-select,
.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--color-white);
    transition: border-color var(--transition-fast);
}

.filter-select:focus,
.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(85, 88, 121, 0.1);
}

/* Posts Grid */
.blog-posts {
    padding: var(--spacing-xxl) 0;
    background: var(--color-off-white);
    min-height: 400px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.post-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(85, 88, 121, 0.08);
}

.post-card-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.post-card-category {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.post-card-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
}

.post-card-title a {
    color: inherit;
    text-decoration: none;
}

.post-card-title a:hover {
    color: var(--color-primary-dark);
}

.post-card-summary {
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.post-card-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.post-card-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--color-background-alt);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
}

.post-card-stage {
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
}

.stage-TOFU {
    background: rgba(122, 154, 130, 0.1);
    color: var(--color-success);
}

.stage-MOFU {
    background: rgba(212, 165, 116, 0.1);
    color: var(--color-warning);
}

.stage-BOFU {
    background: rgba(85, 88, 121, 0.1);
    color: var(--color-primary);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-secondary);
}

.loading-message {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-secondary);
}

/* Newsletter Section */
.blog-newsletter {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
}

.newsletter-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-white);
}

.newsletter-card h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-card p {
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1rem;
}

.newsletter-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
}

/* Blog Post Styles */
.blog-post {
    padding: var(--spacing-xxl) 0;
    background: var(--color-white);
}

.post-header {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.post-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    font-size: 1rem; /* Larger meta text */
    color: var(--color-text-secondary);
    align-items: center;
    flex-wrap: wrap;
}

.post-category {
    color: var(--color-accent-orange);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 140, 66, 0.1);
    border-radius: 20px;
}

.post-date,
.post-reading-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-date::before {
    content: '📅';
    font-size: 1rem;
}

.post-reading-time::before {
    content: '⏱️';
    font-size: 1rem;
}

.post-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Larger title */
    color: var(--color-navy-dark);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.03em;
}

.post-summary {
    font-size: 1.5rem; /* Larger summary */
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 400;
    max-width: 850px;
}

.post-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-background-alt);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* Prose Content - Enhanced Typography */
.prose {
    max-width: 750px;
    margin: 0 auto;
    font-size: 1.25rem; /* Increased from 1.125rem */
    line-height: 1.8; /* More breathing room */
    color: var(--color-text);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.prose .lead {
    font-size: 1.5rem; /* Increased from 1.25rem */
    line-height: 1.65;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
}

.prose h2 {
    font-size: 2.25rem; /* Increased from 1.875rem */
    color: var(--color-primary);
    margin-top: 3.5rem; /* More space above headers */
    margin-bottom: 1.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    letter-spacing: -0.02em;
    position: relative;
    padding-top: 1rem;
}

.prose h2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--color-accent-orange) 0%, var(--color-accent-warm) 100%);
    border-radius: 2px;
}

.prose h3 {
    font-size: 1.75rem; /* Increased from 1.5rem */
    color: var(--color-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.prose p {
    margin-bottom: 1.75rem; /* More spacing between paragraphs */
    color: #374151; /* Slightly softer than pure black */
}

.prose strong {
    font-weight: 600;
    color: var(--color-navy-dark);
}

.prose em {
    font-style: italic;
    color: var(--color-text);
}

/* Enhanced List Styling */
.prose ul,
.prose ol {
    margin: 2rem 0;
    padding-left: 0;
    list-style: none;
}

.prose ul li,
.prose ol li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.7;
}

.prose ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent-orange);
    border-radius: 50%;
}

.prose ol {
    counter-reset: list-counter;
}

.prose ol li {
    counter-increment: list-counter;
}

.prose ol li::before {
    content: counter(list-counter);
    position: absolute;
    left: 0;
    top: 0.125rem;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-sea) 100%);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Nested lists */
.prose ul ul,
.prose ol ul,
.prose ul ol,
.prose ol ol {
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
}

.prose ul ul li::before {
    width: 6px;
    height: 6px;
    top: 0.7rem;
    background: var(--color-sea);
}

.prose blockquote {
    border-left: 4px solid var(--color-accent-orange);
    padding: 1.5rem 2rem;
    margin: 2.5rem 0;
    font-style: italic;
    color: var(--color-text);
    background: linear-gradient(135deg, var(--color-pastel) 0%, rgba(255, 255, 255, 0.5) 100%);
    border-radius: 0 12px 12px 0;
    font-size: 1.2rem;
    line-height: 1.7;
    position: relative;
}

.prose blockquote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-accent-orange);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.prose blockquote cite {
    display: block;
    margin-top: 1rem;
    font-size: 1rem;
    font-style: normal;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.prose blockquote cite::before {
    content: '— ';
}

/* Post CTA - Enhanced */
.post-cta {
    margin: 4rem 0;
    padding: 0;
}

.cta-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    border-radius: 20px;
    border: 2px solid rgba(107, 165, 200, 0.2);
    box-shadow: 0 12px 40px rgba(85, 88, 121, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 140, 66, 0.05) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-card h3 {
    font-size: 2rem;
    color: var(--color-navy-dark);
    margin-bottom: 1rem;
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.cta-card p {
    margin-bottom: 2rem;
    color: var(--color-text);
    font-size: 1.125rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.cta-action {
    position: relative;
    z-index: 1;
}

.cta-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 400px;
    margin: 0 auto;
}

.cta-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-xxl);
    border-top: 1px solid var(--color-border);
}

.related-posts h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.related-card {
    padding: var(--spacing-lg);
    background: var(--color-background-alt);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.related-card:hover {
    transform: translateY(-2px);
}

.related-category {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.related-card h4 {
    margin: var(--spacing-sm) 0;
    font-size: 1.25rem;
}

.related-card h4 a {
    color: var(--color-primary);
    text-decoration: none;
}

.related-card h4 a:hover {
    color: var(--color-primary-dark);
}

.related-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Author Bio - Enhanced */
.author-bio {
    margin-top: 4rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 20px;
    border: 1px solid rgba(107, 165, 200, 0.2);
    box-shadow: 0 8px 32px rgba(85, 88, 121, 0.08);
    position: relative;
}

.author-bio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-navy) 0%, var(--color-sea) 50%, var(--color-accent-orange) 100%);
    border-radius: 20px 20px 0 0;
}

.author-bio h3 {
    font-size: 1.5rem;
    color: var(--color-navy-dark);
    margin-bottom: 1rem;
    font-weight: var(--font-weight-bold);
}

.author-bio p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.125rem;
    color: var(--color-text);
}

.author-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.author-links a,
.bio-link {
    color: var(--color-accent-orange);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: 1.0625rem;
    transition: all 0.3s ease;
    position: relative;
}

.author-links a::after,
.bio-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-orange);
    transition: width 0.3s ease;
}

.author-links a:hover::after,
.bio-link:hover::after {
    width: 100%;
}

/* Category Pages */
.category-header {
    background: linear-gradient(135deg, var(--color-pastel) 0%, var(--color-off-white) 100%);
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-border);
}

.category-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.category-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 700px;
}

/* Code Blocks - Enhanced */
.prose pre {
    background: linear-gradient(135deg, #1a2938 0%, #2c3e50 100%);
    color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 2rem 0;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: 0 8px 32px rgba(26, 41, 56, 0.2);
}

.prose code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    background: rgba(107, 165, 200, 0.1);
    color: var(--color-navy-dark);
    border-radius: 4px;
    font-weight: 500;
}

.prose pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    font-size: inherit;
}

/* Tables - Enhanced */
.prose table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: collapse;
    font-size: 1.0625rem;
}

.prose th {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-sea) 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.prose td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.prose tr:hover {
    background: rgba(107, 165, 200, 0.05);
}

/* Links in prose */
.prose a {
    color: var(--color-accent-orange);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.prose a:hover {
    border-bottom-color: var(--color-accent-orange);
}

/* Horizontal Rules */
.prose hr {
    margin: 3rem 0;
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-border) 50%, transparent 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .filter-controls {
        flex-direction: column;
    }
    
    .filter-group,
    .search-group {
        width: 100%;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form,
    .cta-form {
        flex-direction: column;
    }
    
    .post-meta {
        flex-wrap: wrap;
    }

    .prose {
        font-size: 1.125rem; /* Still readable on mobile */
    }

    .prose h2 {
        font-size: 1.875rem;
    }

    .prose h3 {
        font-size: 1.5rem;
    }

    .post-title {
        font-size: 2.25rem;
    }

    .post-summary {
        font-size: 1.25rem;
    }

    .post-meta {
        font-size: 0.875rem;
    }

    .author-bio p {
        font-size: 1rem;
    }
}