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

:root {
    --bg-primary: #fffff7;
    --bg-white: #ffffff;
    --text-dark: #1a1a2e;
    --text-gray: #4a4a5a;
    --text-light: #7a7a8a;
    --accent-gold: #fac234;
    --accent-orange: #f59d06;
    --accent-coral: #e85a39;
    --accent-navy: #1800ad;
    --accent-purple: #7267f2;
    --accent-blue: #41a6f0;
    --btn-dark: #1800ad;
    --btn-hover: #2a10c0;
    --section-padding: 5rem 0;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Quicksand', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-primary);
    line-height: 1.2;
    font-size: 16px;
    font-weight: 500;
}

h1, h2, h3, h4, h5 {
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.065em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-coral), var(--accent-orange));
    z-index: 1001;
    transition: width 0.1s linear;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-orange), var(--accent-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.2s;
}

nav a:hover,
nav a.nav-active {
    color: var(--accent-coral);
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: var(--btn-dark);
    color: white;
    text-decoration: none;
    border-radius: 0.33rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}

.btn:hover { background: var(--btn-hover); }

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    margin: 5px 0;
    transition: 0.3s;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 0.8rem;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.05rem;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.8);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 { color: white; font-size: 1.3rem; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); }

.footer-links h4 {
    color: white;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-orange); }

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.social-links { display: flex; gap: 0.8rem; margin-top: 1.2rem; }

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.9rem;
}

.social-link:hover { background: rgba(255,255,255,0.2); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--btn-dark);
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.scroll-top.visible { display: flex; }
.scroll-top:hover { background: var(--btn-hover); transform: translateY(-2px); }

/* ============================================
   BLOG STYLES
   ============================================ */

/* Blog Hero */
.blog-hero {
    padding: 4rem 0 3rem;
    background: linear-gradient(165deg, #ffffff 0%, #f8f6ff 50%, #eef3ff 100%);
    text-align: center;
}

.blog-hero h1 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    margin-bottom: 0.8rem;
}

.blog-hero p {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto;
}

/* Featured Article */
.blog-featured {
    padding: 0 0 3rem;
    background: var(--bg-primary);
}

.featured-card {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    align-items: center;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 3rem;
    text-decoration: none;
    color: var(--text-dark);
    border: 1px solid rgba(0,0,0,0.05);
    transition: box-shadow 0.3s, transform 0.2s;
    position: relative;
    margin-top: -1.5rem;
}

.featured-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.featured-tag {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-orange));
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.featured-content h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    line-height: 1.35;
}

.featured-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.featured-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(114,103,242,0.06), rgba(65,166,240,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Post Meta */
.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
}

.post-category {
    background: rgba(114, 103, 242, 0.1);
    color: var(--accent-coral);
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.post-date,
.post-read {
    font-size: 0.85rem;
    color: var(--text-light);
}

.read-more {
    color: var(--accent-coral);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Blog Filters */
.blog-grid-section {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.blog-filters {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.2rem;
    border: 1px solid rgba(0,0,0,0.1);
    background: var(--bg-white);
    border-radius: 50px;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-gray);
}

.filter-btn:hover {
    border-color: var(--accent-coral);
    color: var(--accent-coral);
}

.filter-btn.active {
    background: var(--btn-dark);
    color: white;
    border-color: var(--btn-dark);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-dark);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.blog-card-image {
    height: 180px;
    overflow: hidden;
}

.blog-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(114,103,242,0.06), rgba(65,166,240,0.08));
}

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

.blog-card-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.blog-card-content p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* Blog Newsletter CTA */
.blog-newsletter {
    margin-top: 4rem;
    text-align: center;
    background: linear-gradient(165deg, #eef3ff 0%, #f5f3ff 100%);
    border-radius: 16px;
    padding: 3rem 2rem;
}

.blog-newsletter h3 {
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
}

.blog-newsletter p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.8rem;
    max-width: 450px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.95rem;
    background: var(--bg-white);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-coral);
}

.newsletter-note {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ============================================
   ARTICLE POST STYLES
   ============================================ */

.post-header-section {
    padding: 3rem 0 2rem;
    background: linear-gradient(165deg, #ffffff 0%, #f8f6ff 50%, #eef3ff 100%);
}

.post-container {
    max-width: 760px;
}

.back-link {
    display: inline-block;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.back-link:hover { color: var(--accent-coral); }

.post-header-section h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.post-subtitle {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.7;
    font-style: italic;
    font-family: 'Nunito', sans-serif;
}

/* Post Body */
.post-body {
    padding: 3rem 0;
}

.post-body p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.post-body h2 {
    font-size: 1.6rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-body h3 {
    font-size: 1.2rem;
    margin-top: 2rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

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

.post-body li {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 0.6rem;
}

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

/* Post CTA */
.post-cta {
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(165deg, #eef3ff 0%, #f5f3ff 100%);
    border-radius: 12px;
    text-align: center;
}

.post-cta h3 {
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
}

.post-cta p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

/* Related Posts */
.related-posts {
    padding: 3rem 0;
    border-top: 1px solid rgba(0,0,0,0.06);
}

.related-posts h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.related-card {
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-dark);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(0,0,0,0.04);
}

.related-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.related-card h4 {
    font-size: 0.95rem;
    margin-top: 0.6rem;
    line-height: 1.4;
}

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

@media (max-width: 992px) {
    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-image { display: none; }

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

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

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

@media (max-width: 640px) {
    nav { display: none; }
    .mobile-toggle { display: block; }

    nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1.5rem 2rem;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    }

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

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

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

    .blog-filters {
        gap: 0.4rem;
    }

    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}