/* Blog iVentures - Theme-aligned plain CSS (no build) */

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

:root {
    --font-primary: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --primary-dark: #0F172A;
    --primary-main: #1E40AF;
    --primary-light: #3B82F6;
    --accent-orange: #F97316;
    --white: #FFFFFF;
    --light-gray: #F8FAFC;
    --lighter-gray: #F1F5F9;
    --medium-gray: #64748B;
    --dark-gray: #1E293B;
    --text-dark: #0F172A;
    --container-max: 960px;
    --container-wide: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

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

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

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

.container {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ----- Nav ----- */
.blog-nav {
    background: var(--white);
    border-bottom: 1px solid var(--lighter-gray);
    position: sticky;
    top: 0;
    z-index: 100;
}

.blog-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.blog-nav .logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-nav .logo i {
    color: var(--primary-main);
}

.blog-nav .nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.blog-nav .nav-links a {
    color: var(--dark-gray);
    font-weight: 500;
}

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

.blog-nav .back-main {
    color: var(--primary-main);
    font-weight: 600;
}

/* ----- Page header (landing) ----- */
/* Extra top padding to clear fixed main-site navbar when loaded via header.js */
.blog-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0 4rem;
    text-align: center;
}

.blog-hero .section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-orange);
    margin-bottom: 0.75rem;
}

.blog-hero h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.blog-hero p {
    font-size: 1.1rem;
    opacity: 0.92;
    max-width: 560px;
    margin: 0 auto;
}

/* ----- Blog grid (landing) ----- */
.blog-list {
    padding: 4rem 0;
}

.blog-list .blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--lighter-gray);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.blog-card:hover {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
    transform: translateY(-2px);
}

.blog-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--lighter-gray);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-body {
    padding: 1.5rem;
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-bottom: 0.75rem;
}

.blog-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.blog-card h2 {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.blog-card h2 a {
    color: var(--text-dark);
}

.blog-card h2 a:hover {
    color: var(--primary-main);
}

.blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.blog-card-link {
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.blog-card-link:hover {
    color: var(--primary-light);
}

/* ----- Single post ----- */
/* Extra top padding to clear fixed main-site navbar */
.post-header {
    padding: 100px 0 2rem;
    border-bottom: 1px solid var(--lighter-gray);
}

.post-header .section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
}

.post-header h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.post-featured-image {
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--lighter-gray);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.post-content {
    padding: 2rem 0 4rem;
    font-size: 1.05rem;
    line-height: 1.75;
}

.post-content .container-narrow {
    max-width: var(--container-max);
}

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.post-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content blockquote {
    border-left: 4px solid var(--primary-main);
    padding-left: 1.25rem;
    margin: 1.5rem 0;
    color: var(--medium-gray);
    font-style: italic;
}

.post-content .post-image {
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
}

.post-content .post-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-content .post-image figcaption {
    font-size: 0.9rem;
    color: var(--medium-gray);
    text-align: center;
    padding: 0.75rem 1rem;
    background: var(--light-gray);
}

.post-content .post-video {
    margin: 2rem 0;
}

.post-content .video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
}

.post-content .video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--lighter-gray);
    margin: 2rem 0;
}

/* ----- Tables ----- */
.post-content .table-wrapper {
    margin: 1.5rem 0;
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--lighter-gray);
}

.post-content .data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.post-content .data-table th,
.post-content .data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--lighter-gray);
}

.post-content .data-table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--text-dark);
}

.post-content .data-table tbody tr:last-child td {
    border-bottom: none;
}

.post-content .data-table tbody tr:hover {
    background: var(--lighter-gray);
}

.post-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary-main);
    margin-bottom: 2rem;
}

.post-back:hover {
    color: var(--primary-light);
}

/* ----- Footer ----- */
.blog-footer {
    background: var(--light-gray);
    padding: 2.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--lighter-gray);
}

.blog-footer .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.blog-footer .back-main {
    font-weight: 600;
    color: var(--primary-main);
}

.blog-footer .copy {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

@media (max-width: 768px) {
    .blog-hero h1 {
        font-size: 1.75rem;
    }
    .blog-list .blog-grid {
        grid-template-columns: 1fr;
    }
    .post-header h1 {
        font-size: 1.6rem;
    }
}