/* Ocellus Blog - Matching Main Site Design */
:root {
    /* Dark Theme Color System */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-overlay: #30363d;

    --border-primary: #30363d;
    --border-secondary: #21262d;
    --border-accent: #e55a2b;

    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;

    --accent-primary: #e55a2b;
    --accent-secondary: #58a6ff;
    --accent-success: #3fb950;
    --accent-warning: #d29922;
    --accent-danger: #f85149;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #d2401e 0%, #e55a2b 30%, #ff6b35 70%, #ff8c42 100%);
    --gradient-card: linear-gradient(145deg, #161b22 0%, #21262d 100%);
    --gradient-overlay: linear-gradient(rgba(13, 17, 23, 0.8), rgba(13, 17, 23, 0.9));

    /* Typography */
    --font-family: 'Rajdhani', 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    --shadow-glow: 0 0 30px rgb(229 90 43 / 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

/* Links */
a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Content links - for blog posts and pages, but NOT post cards */
.blog-content a:not(.post-card-link),
.blog-post-content a,
.checklist-container a {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: all 0.3s ease;
}

.blog-content a:not(.post-card-link):hover,
.blog-post-content a:hover,
.checklist-container a:hover {
    color: var(--accent-primary);
    text-decoration-thickness: 2px;
}

/* Button links should not have underline */
a.btn {
    text-decoration: none;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    font-size: 1.25rem;
}

.nav-logo {
    width: 32px;
    height: 32px;
}

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

.logo-blog {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--accent-primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0 4rem;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-compact {
    padding: 6rem 0 3rem;
    min-height: 300px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(229, 90, 43, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    text-transform: none;
}

/* Blog Posts Grid */
.blog-posts {
    padding: var(--spacing-3xl) 0;
    margin-top: 80px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* Post card link wrapper */
.post-card-link {
    text-decoration: none !important;
    color: inherit;
    display: block;
}

.post-card-link:hover {
    text-decoration: none !important;
    color: inherit;
}

/* Remove underlines from all text inside post cards */
.post-card-link * {
    text-decoration: none !important;
}

.post-card-link .post-title,
.post-card-link .post-excerpt,
.post-card-link .post-meta {
    text-decoration: none !important;
}

.post-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.3s;
    cursor: pointer;
}

.post-card-link:hover .post-card {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.post-date,
.post-author {
    display: flex;
    align-items: center;
}

.post-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    transition: color 0.3s;
}

.post-card-link:hover .post-title {
    color: var(--accent-primary);
}

.post-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    text-transform: none;
    font-size: 0.95rem;
}

.post-link {
    color: var(--accent-primary);
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    transition: all 0.3s;
    display: inline-block;
}

.post-card-link:hover .post-link {
    color: #ff8c42;
    transform: translateX(5px);
}

/* Share Buttons */
.share-section {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-primary);
}

.share-section .container {
    max-width: 900px;
    margin: 0 auto;
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.share-buttons.bottom-share {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.share-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.share-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-family);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.share-button:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.share-button svg {
    width: 20px;
    height: 20px;
}

.share-x:hover {
    border-color: #000;
    background: #000;
    color: #fff;
}

.share-linkedin:hover {
    border-color: #0077b5;
    background: #0077b5;
    color: #fff;
}

.share-copy:hover {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    color: #fff;
}

/* Post Detail */
.post-header {
    padding: 6rem 0 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.post-header-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.post-title-large {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.post-meta-large {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.post-content-section {
    padding: var(--spacing-3xl) 0;
}

.post-content {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-primary);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
}

.post-content h1 { font-size: 2rem; }
.post-content h2 { font-size: 1.75rem; }
.post-content h3 { font-size: 1.5rem; }
.post-content h4 { font-size: 1.25rem; }

.post-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    text-transform: none;
    color: var(--text-secondary);
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    text-transform: none;
    color: var(--text-secondary);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
}

.post-content code {
    background: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--accent-secondary);
}

.post-content pre {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.post-content pre code {
    background: none;
    padding: 0;
}

.post-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--text-tertiary);
    font-style: italic;
}

.post-footer {
    max-width: 900px;
    margin: var(--spacing-2xl) auto 0;
    padding-top: var(--spacing-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn:focus {
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: rgba(229, 90, 43, 0.1);
    border-color: var(--accent-primary);
}

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.empty-state h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-transform: none;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
    border-top: 1px solid var(--border-primary);
    flex-shrink: 0;
}

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

.footer-brand .logo-text {
    font-family: var(--font-family);
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 2px;
}

.footer-description {
    line-height: 1.6;
    text-transform: none;
    color: var(--text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer-links .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s;
    display: inline-block;
    margin-bottom: var(--spacing-xs);
}

.footer-links .nav-link:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
    text-transform: none;
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .hero {
        padding: 6rem 0 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

/* Waitlist Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
    z-index: 1001;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-header {
    margin-bottom: 2rem;
    padding-right: 2rem;
}

.modal-title {
    font-family: var(--font-family);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    text-transform: none;
    letter-spacing: 0;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.waitlist-form .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    width: 100%;
}

.waitlist-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
}

.waitlist-form .form-group-full {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.waitlist-form label {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.waitlist-form input,
.waitlist-form select,
.waitlist-form textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
    text-transform: none;
}

.waitlist-form input:focus,
.waitlist-form select:focus,
.waitlist-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(229, 90, 43, 0.1);
}

.waitlist-form textarea {
    resize: vertical;
    min-height: 100px;
}

.waitlist-form .form-actions {
    margin-top: 1rem;
    width: 100%;
}

.waitlist-form .form-actions .btn {
    width: 100%;
}

.waitlist-form .form-message {
    padding: var(--spacing-md);
    border-radius: 6px;
    text-align: center;
    display: none;
    text-transform: none;
}

.waitlist-form .form-message.success {
    display: block;
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid var(--accent-success);
    color: var(--accent-success);
}

.waitlist-form .form-message.error {
    display: block;
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--accent-danger);
    color: var(--accent-danger);
}

/* Responsive Share Buttons */
@media (max-width: 768px) {
    .share-buttons {
        justify-content: center;
    }

    .share-label {
        width: 100%;
        text-align: center;
        margin-bottom: var(--spacing-sm);
    }

    .share-button span {
        display: none;
    }

    .share-button {
        padding: var(--spacing-sm);
    }
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        padding: 1.5rem;
        max-height: 95vh;
    }

    .waitlist-form .form-grid {
        grid-template-columns: 1fr;
    }

    .modal-header {
        padding-right: 2.5rem;
    }

    .modal-title {
        font-size: 1.5rem;
    }
}