/*
 * Book Focus - Main Stylesheet
 * Based on the original landing page design
 */

/* ===== CSS Variables ===== */
:root {
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-card: #242424;
    --text-primary: #ffffff;
    --text-secondary: #a8a8a8;
    --text-muted: #6c6c6c;
    --accent-gradient: linear-gradient(135deg, #f58529, #dd2a7b, #8134af, #515bd4);
    --logo-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    //--border-color: #333333;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --font-heading: 'Zilla Slab', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 50%;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content {
    flex: 1;
    padding: 40px 0;
}

/* ===== Navigation ===== */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 15px;
    padding-bottom: 15px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
    //box-shadow: 0 0 0 3px #f09433, 0 0 0 3px #dc2743;
    background: var(--logo-gradient);
    padding: 2.2px;
    background-clip: padding-box;
    //border: 3px solid transparent;
    background-origin: border-box;
}

.navbar-logo span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.navbar-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--text-primary);
}

.navbar-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero .logo-wrapper {
    width: 208px;
    height: 208px;
    margin: 0 auto 30px;
    padding: 20px;
    background: var(--logo-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero .logo {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    display: block;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--bg-primary);
}

.hero .brand-name {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 20px;
    letter-spacing: 2px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 133, 41, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 133, 41, 0.5);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-instagram {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 133, 41, 0.4);
}

.btn-instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 133, 41, 0.6);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* ===== Blog Grid ===== */
.blog-section {
    padding: 40px 0;
}

.blog-header {
    text-align: center;
    margin-bottom: 50px;
}

.blog-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.blog-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(221, 42, 123, 0.3);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.blog-card-content {
    padding: 25px;
}

.blog-card-category {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(221, 42, 123, 0.15);
    color: #dd2a7b;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card-title a {
    transition: color var(--transition-fast);
}

.blog-card-title a:hover {
    color: #dd2a7b;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===== Single Post ===== */
.single-post {
    max-width: 800px;
    margin: 0 auto;
}

.post-header {
    text-align: center;
    margin-bottom: 40px;
}

.post-category {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(221, 42, 123, 0.15);
    color: #dd2a7b;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.post-featured-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.post-content {
    font-size: 1.125rem;
    line-height: 1.9;
}

.post-content h2 {
    margin-top: 40px;
    margin-bottom: 20px;
}

.post-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.post-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.post-content ul, .post-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.post-content ul {
    list-style: disc;
}

.post-content ol {
    list-style: decimal;
}

.post-content li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.post-content blockquote {
    border-left: 4px solid #dd2a7b;
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.post-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.post-content a {
    color: #dd2a7b;
    text-decoration: underline;
}

.post-content a:hover {
    color: #f58529;
}

/* ===== Category Filter ===== */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 10px 24px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

/* ===== About Page ===== */
.about-section {
    padding: 60px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.about-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 25px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.value-card h3 {
    margin-bottom: 15px;
    color: #dd2a7b;
}

.value-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: none;
}

.footer-logo img {
    display: none;
}

.footer-logo span {
    display: none;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-gradient);
    color: white;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        border-bottom: 1px solid var(--border-color);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hero .logo-wrapper {
        width: 148px;
        height: 148px;
        padding: 3px;
    }

    .hero .logo {
        width: 140px;
        height: 140px;
    }

    .hero .brand-name {
        font-size: 2rem;
    }

    .hero .description {
        font-size: 1rem;
        padding: 0 10px;
    }

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

    .blog-header h2 {
        font-size: 2rem;
    }

    .post-title {
        font-size: 1.75rem;
    }

    .post-content {
        font-size: 1rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px 25px;
    }
}

@media (max-width: 480px) {
    .hero .logo-wrapper {
        width: 128px;
        height: 128px;
        padding: 2px;
    }

    .hero .logo {
        width: 120px;
        height: 120px;
    }

    .hero .brand-name {
        font-size: 1.75rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .category-filter {
        gap: 8px;
    }

    .category-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .footer-logo span {
        font-size: 1.25rem;
    }
}

/* ===== Utilities ===== */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* Loading State */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: #dd2a7b;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* No Posts Message */
.no-posts {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.no-posts h3 {
    color: var(--text-secondary);
    margin-bottom: 15px;
}