/* Newsletter/Blog Minimal Theme - Clean & Professional */

/* Import Clean Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Merriweather:wght@300;400;700&display=swap');

/* Clean Color System */
:root {
    /* Primary Colors */
    --primary: #2B2D42;
    --primary-light: #8D99AE;
    --accent: #EF233C;
    --accent-hover: #D90429;

    /* Neutral Colors */
    --black: #000000;
    --dark: #1A1A1A;
    --gray-900: #2B2D42;
    --gray-800: #3D3F54;
    --gray-700: #4A4C5E;
    --gray-600: #6C6E7E;
    --gray-500: #8D8F9A;
    --gray-400: #B4B6C1;
    --gray-300: #D1D3DB;
    --gray-200: #E8E9EF;
    --gray-100: #F4F5F7;
    --white: #FFFFFF;

    /* Functional Colors */
    --text-primary: #1A1A1A;
    --text-secondary: #4A4C5E;
    --text-muted: #8D8F9A;
    --border: #E8E9EF;
    --background: #FFFFFF;
    --background-alt: #FAFAFA;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Merriweather', Georgia, serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Container */
    --container-sm: 680px;
    --container-md: 800px;
    --container-lg: 1080px;
    --container-xl: 1200px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-top: 0;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

a:hover {
    color: var(--accent);
}

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

.container-narrow {
    max-width: var(--container-sm);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Header - Minimal & Clean */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.site-title a {
    color: var(--text-primary);
}

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

.site-description {
    display: none;
}

/* Navigation - Simple & Clean */
.main-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: var(--space-lg);
    margin: 0;
    padding: 0;
}

.main-navigation a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--text-primary);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s ease;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

/* Subscribe Button - Newsletter Focus */
.cta-button {
    background: var(--accent);
    color: var(--white) !important;
    padding: 0.6rem 1.25rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Newsletter Hero Section */
.newsletter-hero {
    padding: var(--space-3xl) 0;
    text-align: center;
    background: var(--background-alt);
    border-bottom: 1px solid var(--border);
}

.newsletter-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.newsletter-hero .lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Newsletter Subscribe Form */
.newsletter-form {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(239, 35, 60, 0.1);
}

.newsletter-form button {
    background: var(--accent);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Content Area */
.site-content {
    padding: var(--space-3xl) 0;
}

.content-area {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-3xl);
    align-items: start;
}

/* Blog Post Cards - Clean Design */
.blog-posts {
    display: grid;
    gap: var(--space-xl);
}

.post-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
}

.post-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.post-thumbnail-wrapper {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    overflow: hidden;
    border-radius: 4px;
}

.post-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.post-card:hover .post-thumbnail {
    transform: scale(1.05);
}

.post-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.post-category {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.post-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

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

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

.post-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    flex: 1;
}

.read-more {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more:hover {
    text-decoration: underline;
}

/* Single Post - Article Style */
.single-post {
    max-width: var(--container-sm);
    margin: 0 auto;
}

.post-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

.post-header h1 {
    font-size: 2.75rem;
    margin-bottom: var(--space-md);
}

.post-header .post-meta {
    justify-content: center;
    font-size: 1rem;
}

.post-body {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.post-body p {
    margin-bottom: var(--space-lg);
}

.post-body h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    font-family: var(--font-sans);
}

.post-body h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    font-family: var(--font-sans);
}

.post-body blockquote {
    border-left: 3px solid var(--accent);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: var(--space-xl) 0;
}

/* Newsletter CTA in Post */
.post-newsletter-cta {
    background: var(--background-alt);
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
    text-align: center;
}

.post-newsletter-cta h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.post-newsletter-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* Sidebar - Minimal */
.sidebar {
    position: sticky;
    top: 100px;
}

.widget {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.widget ul {
    list-style: none;
}

.widget li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--border);
}

.widget li:last-child {
    border-bottom: none;
}

.widget a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.widget a:hover {
    color: var(--accent);
}

/* About Widget */
.about-widget {
    background: var(--background-alt);
    border: none;
}

.about-widget .author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

/* Pagination - Clean */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border);
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--background-alt);
    border-color: var(--gray-300);
}

.pagination .current {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* Footer - Keep Elegant */
.site-footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

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

.footer-about h3 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-about p {
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-newsletter {
    max-width: 100%;
}

.footer-newsletter h3 {
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.footer-newsletter p {
    color: var(--gray-400);
    margin-bottom: var(--space-md);
    font-size: 0.9rem;
}

.footer-newsletter .newsletter-form {
    max-width: 100%;
}

.footer-links h3 {
    color: var(--white);
    margin-bottom: var(--space-md);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-area {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .menu-toggle {
        display: block;
    }

    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        padding: var(--space-xl) var(--space-lg);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        flex-direction: column;
        align-items: flex-start;
        z-index: 1000;
    }

    .main-navigation.active {
        right: 0;
    }

    .main-navigation ul {
        flex-direction: column;
        width: 100%;
        gap: var(--space-md);
    }

    .post-card {
        flex-direction: column;
        padding: 0;
    }

    .post-thumbnail-wrapper {
        width: 100%;
        height: 200px;
    }

    .post-content {
        padding: var(--space-lg);
    }

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

    .newsletter-hero h1 {
        font-size: 2rem;
    }

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

    .newsletter-form input[type="email"],
    .newsletter-form button {
        width: 100%;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #0A0A0A;
        --background-alt: #1A1A1A;
        --text-primary: #E8E9EF;
        --text-secondary: #B4B6C1;
        --text-muted: #8D8F9A;
        --border: #2B2D42;
    }

    .site-header {
        background: rgba(10, 10, 10, 0.95);
    }

    .post-card,
    .widget {
        background: var(--background-alt);
    }

    .post-body {
        color: var(--text-primary);
    }
}