/* ==========================================================================
   Template: Chronicle - Blog & Magazine
   Version: 1.0.0
   Author: Outline Templates
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Theme Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #dc2626;
    --color-primary-light: #fecaca;
    --color-secondary: #1a1a1a;
    --color-text: #1a1a1a;
    --color-text-muted: #737373;
    --color-background: #ffffff;
    --color-surface: #fafafa;
    --color-border: #e5e5e5;

    /* Category Colors */
    --color-design: #e11d48;
    --color-technology: #2563eb;
    --color-business: #d97706;
    --color-lifestyle: #059669;
    --color-culture: #64748b;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-article: 'Newsreader', Georgia, serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-serif {
    font-family: var(--font-serif);
}

.font-article {
    font-family: var(--font-article);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: var(--color-primary);
    color: white;
    z-index: 9999;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Backdrop blur for nav */
.nav-blur {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* --------------------------------------------------------------------------
   Animation Classes
   -------------------------------------------------------------------------- */

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-bounce), transform var(--transition-bounce);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Component: Navigation
   -------------------------------------------------------------------------- */
.nav-link {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Component: Article Card
   -------------------------------------------------------------------------- */
.article-card {
    display: block;
    transition: transform var(--transition-bounce);
}

.article-card:hover {
    transform: translateY(-4px);
}

.article-card .article-image {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   Component: Category Pills
   -------------------------------------------------------------------------- */
.category-pill {
    display: inline-flex;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-pill:hover {
    background: var(--color-secondary);
    color: white;
}

.category-pill.active {
    background: var(--color-secondary);
    color: white;
}

/* --------------------------------------------------------------------------
   Component: Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: var(--color-secondary);
    color: white;
}

.btn-primary:hover {
    background: #333;
    transform: translateY(-1px);
}

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

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

/* --------------------------------------------------------------------------
   Component: Form Inputs
   -------------------------------------------------------------------------- */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-background);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Component: Newsletter Input
   -------------------------------------------------------------------------- */
.newsletter-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.newsletter-input:focus {
    border-color: rgba(255, 255, 255, 0.4);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Component: Blockquote
   -------------------------------------------------------------------------- */
.blockquote-accent {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Component: Author Avatar
   -------------------------------------------------------------------------- */
.author-ring {
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--color-border);
}

/* --------------------------------------------------------------------------
   Component: Share Buttons
   -------------------------------------------------------------------------- */
.share-btn {
    transition: all var(--transition-base);
}

.share-btn:hover {
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Component: Table of Contents
   -------------------------------------------------------------------------- */
.toc-link {
    display: block;
    padding-left: 0;
    border-left: 2px solid transparent;
    transition: all var(--transition-base);
}

.toc-link:hover {
    color: var(--color-primary);
    padding-left: 8px;
}

.toc-link.active {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    padding-left: 12px;
}

/* --------------------------------------------------------------------------
   Component: Progress Bar
   -------------------------------------------------------------------------- */
.progress-bar {
    position: fixed;
    top: 64px;
    left: 0;
    height: 3px;
    background: var(--color-primary);
    z-index: 100;
    transition: width 0.1s ease;
}

/* --------------------------------------------------------------------------
   Component: Related Cards
   -------------------------------------------------------------------------- */
.related-card {
    transition: transform var(--transition-bounce);
}

.related-card:hover {
    transform: translateY(-4px);
}

.related-card:hover img {
    transform: scale(1.05);
}

.related-card img {
    transition: transform 0.6s ease;
}

/* --------------------------------------------------------------------------
   Component: Team Card
   -------------------------------------------------------------------------- */
.team-card:hover img {
    transform: scale(1.05);
}

.team-card img {
    transition: transform 0.6s ease;
}

/* --------------------------------------------------------------------------
   Component: Contact Card
   -------------------------------------------------------------------------- */
.contact-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   Component: Category Card
   -------------------------------------------------------------------------- */
.category-card {
    transition: all var(--transition-bounce);
}

.category-card:hover {
    transform: translateY(-8px);
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Article Content Styles
   -------------------------------------------------------------------------- */
.article-content {
    font-family: var(--font-article);
    font-size: 1.2rem;
    line-height: 1.8;
    color: #374151;
}

.article-content p {
    margin-bottom: 1.75rem;
}

.article-content h2 {
    font-family: var(--font-serif);
    font-size: 1.875rem;
    font-weight: 400;
    color: var(--color-text);
    margin-top: 3rem;
    margin-bottom: 1.25rem;
}

.article-content h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.article-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: #4b5563;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.75rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content img {
    border-radius: var(--radius-lg);
    margin: 2rem 0;
}

.article-content figure {
    margin: 2.5rem 0;
}

.article-content figcaption {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0.75rem;
}

.article-content code {
    background: #f3f4f6;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-content pre {
    background: #1f2937;
    color: #e5e7eb;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: 2rem 0;
}

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

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: #d4d4d4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a3a3a3;
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .article-content {
        font-size: 1.1rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
    }
}