/* ===== BLOG STYLES — Chandrama Solutions ===== */
/* Inherits design tokens from main styles.css */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(10, 10, 15, 0.8);
    --accent: #ff6b35;
    --accent-light: #ff8f5e;
    --accent-dark: #e55a28;
    --accent-glow: rgba(255, 107, 53, 0.3);
    --accent-subtle: rgba(255, 107, 53, 0.08);
    --text-primary: #f0f0f5;
    --text-secondary: #8a8a9a;
    --text-muted: #5a5a6a;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --nav-height: 80px;
    --container-max: 1280px;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== LIGHT THEME ===== */
:root[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.07);
    --bg-glass: rgba(248, 249, 250, 0.85);
    /* Accents remain the same for brand consistency */
    --accent: #e55a28;
    --accent-light: #ff6b35;
    --accent-dark: #c44015;
    --accent-glow: rgba(229, 90, 40, 0.15);
    --accent-subtle: rgba(229, 90, 40, 0.08);
    --text-primary: #1a1a24;
    --text-secondary: #5a5a6a;
    --text-muted: #8a8a9a;
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
}

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.toggle-icon {
    font-size: 1.1rem;
    line-height: 1;
    opacity: 0.4;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .toggle-icon.moon,
:root:not([data-theme="light"]) .toggle-icon.moon {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.1);
}

:root[data-theme="light"] .toggle-icon.sun {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border);
}

:root[data-theme="light"] .navbar {
    background: rgba(248, 249, 250, 0.95);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 2px;
}

.logo-icon { color: var(--accent); font-size: 1.1rem; }
.logo-accent { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a.active {
    color: var(--accent);
}

.nav-cta {
    color: var(--accent) !important;
    padding: 10px 24px;
    border: 1px solid var(--accent);
    border-radius: 100px;
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    background: var(--accent) !important;
    color: white !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    padding: 16px 0;
    margin-top: var(--nav-height);
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.breadcrumbs .separator {
    color: var(--text-muted);
}

.breadcrumbs .current {
    color: var(--text-primary);
}

/* ===== BLOG LISTING PAGE ===== */
.blog-hero {
    padding: 100px 0 60px;
    margin-top: var(--nav-height);
    text-align: center;
}

.blog-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.blog-hero .accent {
    color: var(--accent);
}

.blog-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding-bottom: 120px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-6px);
}

.blog-card-body {
    padding: 32px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.blog-card h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.blog-card:hover h2 {
    color: var(--accent);
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.3s ease;
}

.blog-card:hover .blog-card-link {
    gap: 12px;
}

/* ===== ARTICLE PAGE ===== */
.article-header {
    padding: 60px 0 40px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.article-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    padding: 6px 16px;
    background: var(--accent-subtle);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: 100px;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-meta .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
}

/* ===== ARTICLE CONTENT ===== */
.article-content {
    max-width: 780px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 56px;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.article-content p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-content a {
    color: var(--accent);
    transition: color 0.3s ease;
}

.article-content a:hover {
    color: var(--accent-light);
}

.article-content ul,
.article-content ol {
    padding-left: 24px;
    margin-bottom: 24px;
}

.article-content li {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.article-content li strong {
    color: var(--text-primary);
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.comparison-table thead {
    background: var(--bg-tertiary);
}

.comparison-table th {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: left;
    padding: 16px 20px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.comparison-table td {
    padding: 14px 20px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    line-height: 1.6;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ===== CALLOUT BOX ===== */
.callout {
    background: var(--accent-subtle);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    padding: 24px 28px;
    margin: 32px 0;
}

.callout p {
    color: var(--text-primary) !important;
    margin-bottom: 0 !important;
    font-size: 1rem !important;
}

.callout strong {
    color: var(--accent);
}

/* ===== KEY TAKEAWAY BOX ===== */
.key-takeaway {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    margin: 32px 0;
}

.key-takeaway h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-top: 0 !important;
    margin-bottom: 12px;
    color: var(--accent);
}

.key-takeaway ul {
    margin-bottom: 0;
}

/* ===== ARTICLE FAQ ===== */
.article-faq {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.article-faq h2 {
    margin-top: 0;
}

.article-faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s var(--ease-out-expo);
}

.article-faq-item:hover {
    border-color: var(--border-hover);
}

.article-faq-item[open] {
    background: var(--bg-card-hover);
    border-color: rgba(255, 107, 53, 0.2);
}

.article-faq-item summary {
    padding: 20px 24px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.article-faq-item summary::-webkit-details-marker {
    display: none;
}

.article-faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--accent);
    font-weight: 300;
    flex-shrink: 0;
}

.article-faq-item[open] summary::after {
    content: '−';
}

.article-faq-item .faq-body {
    padding: 0 24px 20px;
}

.article-faq-item .faq-body p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ===== RELATED POSTS ===== */
.related-posts {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.related-posts h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    transition: all 0.4s var(--ease-out-expo);
}

.related-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.related-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.35;
    transition: color 0.3s ease;
}

.related-card:hover h3 {
    color: var(--accent);
}

.related-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.03) 100%);
    border: 1px solid rgba(255, 107, 53, 0.15);
    border-radius: 20px;
    padding: 48px 40px;
    text-align: center;
    margin: 48px 0;
}

.cta-banner h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-top: 0 !important;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.cta-banner p {
    color: var(--text-secondary) !important;
    margin-bottom: 24px !important;
    max-width: 500px;
    margin-left: auto !important;
    margin-right: auto !important;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: white !important;
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-light);
    box-shadow: 0 0 50px var(--accent-glow);
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

/* --- Tablets & small laptops (up to 1024px) --- */
@media (max-width: 1024px) {
    .container { padding: 0 24px; }
    .nav-container { padding: 0 24px; }

    .nav-links { display: none; }
    .nav-toggle { display: flex; }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px 40px 30px;
        border-bottom: 1px solid var(--border);
        gap: 16px;
        z-index: 999;
    }

    .blog-hero {
        padding: 80px 0 50px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-banner {
        padding: 40px 30px;
    }
}

/* --- Mobile (up to 768px) --- */
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-container { padding: 0 20px; }

    .nav-links.active {
        padding: 20px;
    }

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

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

    .article-header h1 {
        font-size: 1.8rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
        margin-top: 40px;
    }

    .article-content h3 {
        font-size: 1.15rem;
        margin-top: 32px;
    }

    .article-content p {
        font-size: 0.98rem;
        line-height: 1.8;
    }

    .article-content li {
        font-size: 0.95rem;
    }

    /* Comparison table horizontal scroll */
    .comparison-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        white-space: nowrap;
        min-width: 120px;
    }

    .blog-hero {
        padding: 60px 0 40px;
    }

    .blog-hero h1 {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .blog-hero p {
        font-size: 1rem;
    }

    .blog-card-body {
        padding: 24px 20px;
    }

    .blog-card h2 {
        font-size: 1.15rem;
    }

    .blog-card p {
        font-size: 0.88rem;
    }

    .article-meta {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .callout {
        padding: 20px 22px;
    }

    .key-takeaway {
        padding: 22px 20px;
    }

    .cta-banner {
        padding: 36px 24px;
    }

    .cta-banner h3 {
        font-size: 1.3rem;
    }

    .related-posts {
        padding: 60px 0;
    }

    .related-posts h2 {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* --- Small phones (up to 480px) --- */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .nav-container { padding: 0 16px; }

    :root {
        --nav-height: 64px;
    }

    .nav-links.active {
        padding: 16px;
    }

    .nav-logo {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .blog-hero {
        padding: 50px 0 30px;
    }

    .blog-hero h1 {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .blog-hero p {
        font-size: 0.92rem;
    }

    .blog-grid {
        gap: 20px;
        padding-bottom: 80px;
    }

    .blog-card-body {
        padding: 20px 16px;
    }

    .blog-card h2 {
        font-size: 1.1rem;
    }

    .blog-card-tag {
        font-size: 0.65rem;
    }

    .blog-card-meta {
        font-size: 0.72rem;
    }

    .blog-card-link {
        font-size: 0.8rem;
    }

    .article-header {
        padding: 40px 0 30px;
    }

    .article-header h1 {
        font-size: 1.5rem;
        letter-spacing: -0.5px;
    }

    .article-tag {
        font-size: 0.65rem;
        padding: 5px 14px;
    }

    .article-meta {
        font-size: 0.78rem;
        gap: 8px;
    }

    .article-content {
        padding-bottom: 50px;
    }

    .article-content h2 {
        font-size: 1.3rem;
        margin-top: 36px;
        margin-bottom: 16px;
    }

    .article-content h3 {
        font-size: 1.05rem;
        margin-top: 28px;
    }

    .article-content p {
        font-size: 0.92rem;
        margin-bottom: 16px;
    }

    .article-content li {
        font-size: 0.88rem;
        margin-bottom: 6px;
    }

    .callout {
        padding: 18px;
        margin: 24px 0;
    }

    .callout p {
        font-size: 0.9rem !important;
    }

    .key-takeaway {
        padding: 20px 16px;
        margin: 24px 0;
    }

    .key-takeaway h3 {
        font-size: 1rem;
    }

    .comparison-table th {
        padding: 12px 14px;
        font-size: 0.82rem;
    }

    .comparison-table td {
        padding: 10px 14px;
        font-size: 0.82rem;
    }

    .article-faq-item summary {
        padding: 16px 18px;
        font-size: 0.92rem;
    }

    .article-faq-item .faq-body {
        padding: 0 18px 16px;
    }

    .article-faq-item .faq-body p {
        font-size: 0.88rem;
    }

    .cta-banner {
        padding: 28px 18px;
        margin: 24px 0;
        border-radius: 16px;
    }

    .cta-banner h3 {
        font-size: 1.15rem;
    }

    .cta-banner p {
        font-size: 0.9rem !important;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
    }

    .related-posts {
        padding: 50px 0;
    }

    .related-posts h2 {
        font-size: 1.3rem;
    }

    .related-card {
        padding: 22px 18px;
    }

    .related-card h3 {
        font-size: 0.95rem;
    }

    .related-card p {
        font-size: 0.8rem;
    }

    .footer {
        padding: 40px 0 24px;
    }

    .footer-links {
        gap: 12px 16px;
    }

    .footer-links a {
        font-size: 0.8rem;
    }

    .footer-bottom {
        font-size: 0.75rem;
    }
}

/* --- Very small phones (up to 360px) --- */
@media (max-width: 360px) {
    .container { padding: 0 12px; }
    .nav-container { padding: 0 12px; }

    .blog-hero h1 {
        font-size: 1.6rem;
    }

    .article-header h1 {
        font-size: 1.3rem;
    }

    .blog-card-body {
        padding: 16px 14px;
    }

    .blog-card h2 {
        font-size: 1rem;
    }

    .article-content h2 {
        font-size: 1.15rem;
    }

    .article-content p {
        font-size: 0.88rem;
    }

    .related-card {
        padding: 18px 14px;
    }

    .cta-banner {
        padding: 22px 14px;
    }

    .callout {
        padding: 14px 12px;
    }

    .footer-links a {
        font-size: 0.75rem;
    }
}